/*
- *
* Copyright (c) 2004 Joerg Sonnenberger <joerg@bec.de>. All rights reserved.
*
- * Copyright (c) 2001-2006, Intel Corporation
+ * Copyright (c) 2001-2008, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
- *
+ *
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
- *
+ *
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- *
+ *
* 3. Neither the name of the Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
*
*
* Copyright (c) 2005 The DragonFly Project. All rights reserved.
- *
+ *
* This code is derived from software contributed to The DragonFly Project
* by Matthew Dillon <dillon@backplane.com>
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
- *
+ *
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* 3. Neither the name of The DragonFly Project nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific, prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* $DragonFly: src/sys/dev/netif/em/if_em.c,v 1.80 2008/09/17 08:51:29 sephe Exp $
- * $FreeBSD$
*/
/*
* SERIALIZATION API RULES:
*
* - If the driver uses the same serializer for the interrupt as for the
* ifnet, most of the serialization will be done automatically for the
- * driver.
+ * driver.
*
* - ifmedia entry points will be serialized by the ifmedia code using the
* ifnet serializer.
* installed by the device driver.
*
* - The device driver typically holds the serializer at the time it wishes
- * to call if_input. If so, it should pass the serializer to if_input and
- * note that the serializer might be dropped temporarily by if_input
- * (e.g. in case it has to bridge the packet to another interface).
+ * to call if_input.
+ *
+ * - We must call lwkt_serialize_handler_enable() prior to enabling the
+ * hardware interrupt and lwkt_serialize_handler_disable() after disabling
+ * the hardware interrupt in order to avoid handler execution races from
+ * scheduled interrupt threads.
*
* NOTE! Since callers into the device driver hold the ifnet serializer,
* the device driver may be holding a serializer at the time it calls
*/
#include "opt_polling.h"
-#include "opt_inet.h"
#include "opt_serializer.h"
#include <sys/param.h>
#include <sys/ktr.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
-#include <sys/module.h>
+#include <sys/proc.h>
#include <sys/rman.h>
#include <sys/serialize.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
+#include <sys/systm.h>
#include <net/bpf.h>
#include <net/ethernet.h>
#include <net/if_arp.h>
#include <net/if_dl.h>
#include <net/if_media.h>
-#include <net/if_types.h>
#include <net/ifq_var.h>
#include <net/vlan/if_vlan_var.h>
#include <net/vlan/if_vlan_ether.h>
-#ifdef INET
-#include <netinet/in.h>
#include <netinet/in_systm.h>
-#include <netinet/in_var.h>
+#include <netinet/in.h>
#include <netinet/ip.h>
+#include <netinet/ip6.h>
#include <netinet/tcp.h>
#include <netinet/udp.h>
-#endif
-
-#include <dev/netif/em/if_em_hw.h>
-#include <dev/netif/em/if_em.h>
-#define EM_X60_WORKAROUND
-
-/*********************************************************************
- * Set this to one to display debug statistics
- *********************************************************************/
-int em_display_debug_stats = 0;
-
-/*********************************************************************
- * Driver version
- *********************************************************************/
-
-char em_driver_version[] = "6.2.9";
+#include <bus/pci/pcivar.h>
+#include <bus/pci/pcireg.h>
+#include <dev/netif/ig_hal/e1000_api.h>
+#include <dev/netif/ig_hal/e1000_82571.h>
+#include <dev/netif/em/if_em.h>
-/*********************************************************************
- * PCI Device ID Table
- *
- * Used by probe to select devices to load on
- * Last field stores an index into em_strings
- * Last entry must be all 0s
- *
- * { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index }
- *********************************************************************/
+#define EM_NAME "Intel(R) PRO/1000 Network Connection "
+#define EM_VER " 6.9.6"
+
+#define EM_DEVICE(id) \
+ { EM_VENDOR_ID, E1000_DEV_ID_##id, EM_NAME #id EM_VER }
+#define EM_DEVICE_NULL { 0, 0, NULL }
+
+static const struct em_vendor_info em_vendor_info_array[] = {
+ EM_DEVICE(82540EM),
+ EM_DEVICE(82540EM_LOM),
+ EM_DEVICE(82540EP),
+ EM_DEVICE(82540EP_LOM),
+ EM_DEVICE(82540EP_LP),
+
+ EM_DEVICE(82541EI),
+ EM_DEVICE(82541ER),
+ EM_DEVICE(82541ER_LOM),
+ EM_DEVICE(82541EI_MOBILE),
+ EM_DEVICE(82541GI),
+ EM_DEVICE(82541GI_LF),
+ EM_DEVICE(82541GI_MOBILE),
+
+ EM_DEVICE(82542),
+
+ EM_DEVICE(82543GC_FIBER),
+ EM_DEVICE(82543GC_COPPER),
+
+ EM_DEVICE(82544EI_COPPER),
+ EM_DEVICE(82544EI_FIBER),
+ EM_DEVICE(82544GC_COPPER),
+ EM_DEVICE(82544GC_LOM),
+
+ EM_DEVICE(82545EM_COPPER),
+ EM_DEVICE(82545EM_FIBER),
+ EM_DEVICE(82545GM_COPPER),
+ EM_DEVICE(82545GM_FIBER),
+ EM_DEVICE(82545GM_SERDES),
+
+ EM_DEVICE(82546EB_COPPER),
+ EM_DEVICE(82546EB_FIBER),
+ EM_DEVICE(82546EB_QUAD_COPPER),
+ EM_DEVICE(82546GB_COPPER),
+ EM_DEVICE(82546GB_FIBER),
+ EM_DEVICE(82546GB_SERDES),
+ EM_DEVICE(82546GB_PCIE),
+ EM_DEVICE(82546GB_QUAD_COPPER),
+ EM_DEVICE(82546GB_QUAD_COPPER_KSP3),
+
+ EM_DEVICE(82547EI),
+ EM_DEVICE(82547EI_MOBILE),
+ EM_DEVICE(82547GI),
+
+ EM_DEVICE(82571EB_COPPER),
+ EM_DEVICE(82571EB_FIBER),
+ EM_DEVICE(82571EB_SERDES),
+ EM_DEVICE(82571EB_SERDES_DUAL),
+ EM_DEVICE(82571EB_SERDES_QUAD),
+ EM_DEVICE(82571EB_QUAD_COPPER),
+ EM_DEVICE(82571EB_QUAD_COPPER_LP),
+ EM_DEVICE(82571EB_QUAD_FIBER),
+ EM_DEVICE(82571PT_QUAD_COPPER),
+
+ EM_DEVICE(82572EI_COPPER),
+ EM_DEVICE(82572EI_FIBER),
+ EM_DEVICE(82572EI_SERDES),
+ EM_DEVICE(82572EI),
+
+ EM_DEVICE(82573E),
+ EM_DEVICE(82573E_IAMT),
+ EM_DEVICE(82573L),
+
+ EM_DEVICE(80003ES2LAN_COPPER_SPT),
+ EM_DEVICE(80003ES2LAN_SERDES_SPT),
+ EM_DEVICE(80003ES2LAN_COPPER_DPT),
+ EM_DEVICE(80003ES2LAN_SERDES_DPT),
+
+ EM_DEVICE(ICH8_IGP_M_AMT),
+ EM_DEVICE(ICH8_IGP_AMT),
+ EM_DEVICE(ICH8_IGP_C),
+ EM_DEVICE(ICH8_IFE),
+ EM_DEVICE(ICH8_IFE_GT),
+ EM_DEVICE(ICH8_IFE_G),
+ EM_DEVICE(ICH8_IGP_M),
+
+ EM_DEVICE(ICH9_IGP_M_AMT),
+ EM_DEVICE(ICH9_IGP_AMT),
+ EM_DEVICE(ICH9_IGP_C),
+ EM_DEVICE(ICH9_IGP_M),
+ EM_DEVICE(ICH9_IGP_M_V),
+ EM_DEVICE(ICH9_IFE),
+ EM_DEVICE(ICH9_IFE_GT),
+ EM_DEVICE(ICH9_IFE_G),
+ EM_DEVICE(ICH9_BM),
+
+ EM_DEVICE(82574L),
+
+ EM_DEVICE(ICH10_R_BM_LM),
+ EM_DEVICE(ICH10_R_BM_LF),
+ EM_DEVICE(ICH10_R_BM_V),
+ EM_DEVICE(ICH10_D_BM_LM),
+ EM_DEVICE(ICH10_D_BM_LF),
-static em_vendor_info_t em_vendor_info_array[] =
-{
- /* Intel(R) PRO/1000 Network Connection */
- { 0x8086, E1000_DEV_ID_82540EM, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82540EM_LOM, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82540EP, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82540EP_LOM, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82540EP_LP, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82541EI, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82541ER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82541ER_LOM, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82541EI_MOBILE, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82541GI, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82541GI_LF, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82541GI_MOBILE, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82542, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82543GC_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82543GC_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82544EI_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82544EI_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82544GC_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82544GC_LOM, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82545EM_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82545EM_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82545GM_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82545GM_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82545GM_SERDES, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82546EB_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546EB_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546EB_QUAD_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546GB_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546GB_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546GB_SERDES, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546GB_PCIE, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3,
- PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82547EI, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82547EI_MOBILE, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82547GI, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82571EB_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82571EB_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82571EB_SERDES, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82571EB_QUAD_COPPER,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82571EB_QUAD_COPPER_LOWPROFILE,
- PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82571EB_QUAD_FIBER,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82571PT_QUAD_COPPER,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82572EI_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82572EI_FIBER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82572EI_SERDES, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82572EI, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82573E, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82573E_IAMT, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82573L, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_80003ES2LAN_COPPER_SPT,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_80003ES2LAN_SERDES_SPT,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_80003ES2LAN_COPPER_DPT,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_80003ES2LAN_SERDES_DPT,
- PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_ICH8_IGP_M_AMT, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH8_IGP_AMT, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH8_IGP_C, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH8_IFE, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH8_IFE_GT, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH8_IFE_G, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH8_IGP_M, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_ICH9_IGP_AMT, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH9_IGP_C, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH9_IFE, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH9_IFE_GT, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_ICH9_IFE_G, PCI_ANY_ID, PCI_ANY_ID, 0},
-
- { 0x8086, E1000_DEV_ID_82575EB_COPPER, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82575EB_FIBER_SERDES,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, E1000_DEV_ID_82575GB_QUAD_COPPER,
- PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, 0x101A, PCI_ANY_ID, PCI_ANY_ID, 0},
- { 0x8086, 0x1014, PCI_ANY_ID, PCI_ANY_ID, 0},
/* required last entry */
- { 0, 0, 0, 0, 0}
-};
-
-/*********************************************************************
- * Table of branding strings for all supported NICs.
- *********************************************************************/
-
-static const char *em_strings[] = {
- "Intel(R) PRO/1000 Network Connection"
+ EM_DEVICE_NULL
};
-/*********************************************************************
- * Function prototypes
- *********************************************************************/
static int em_probe(device_t);
static int em_attach(device_t);
static int em_detach(device_t);
static int em_shutdown(device_t);
-static void em_intr(void *);
static int em_suspend(device_t);
static int em_resume(device_t);
-static void em_start(struct ifnet *);
+
+static void em_init(void *);
+static void em_stop(struct adapter *);
static int em_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
+static void em_start(struct ifnet *);
+#ifdef DEVICE_POLLING
+static void em_poll(struct ifnet *, enum poll_cmd, int);
+#endif
static void em_watchdog(struct ifnet *);
-static void em_init(void *);
-static void em_stop(void *);
static void em_media_status(struct ifnet *, struct ifmediareq *);
static int em_media_change(struct ifnet *);
-static void em_identify_hardware(struct adapter *);
-static int em_allocate_pci_resources(device_t);
-static void em_free_pci_resources(device_t);
-static void em_local_timer(void *);
-static int em_hardware_init(struct adapter *);
-static void em_setup_interface(device_t, struct adapter *);
-static int em_setup_transmit_structures(struct adapter *);
-static void em_initialize_transmit_unit(struct adapter *);
-static int em_setup_receive_structures(struct adapter *);
-static void em_initialize_receive_unit(struct adapter *);
+static void em_timer(void *);
+
+static void em_intr(void *);
+static void em_rxeof(struct adapter *, int);
+static void em_txeof(struct adapter *);
+static void em_tx_purge(struct adapter *);
static void em_enable_intr(struct adapter *);
static void em_disable_intr(struct adapter *);
-static void em_free_transmit_structures(struct adapter *);
-static void em_free_receive_structures(struct adapter *);
-static void em_update_stats_counters(struct adapter *);
-static void em_txeof(struct adapter *);
-static int em_allocate_receive_structures(struct adapter *);
-static void em_rxeof(struct adapter *, int);
-static void em_receive_checksum(struct adapter *, struct em_rx_desc *,
- struct mbuf *);
-static void em_transmit_checksum_setup(struct adapter *, struct mbuf *,
- uint32_t *, uint32_t *);
+
+static int em_dma_malloc(struct adapter *, bus_size_t,
+ struct em_dma_alloc *);
+static void em_dma_free(struct adapter *, struct em_dma_alloc *);
+static void em_init_tx_ring(struct adapter *);
+static int em_init_rx_ring(struct adapter *);
+static int em_create_tx_ring(struct adapter *);
+static int em_create_rx_ring(struct adapter *);
+static void em_destroy_tx_ring(struct adapter *, int);
+static void em_destroy_rx_ring(struct adapter *, int);
+static int em_newbuf(struct adapter *, int, int);
+static int em_encap(struct adapter *, struct mbuf **);
+static void em_rxcsum(struct adapter *, struct e1000_rx_desc *,
+ struct mbuf *);
+static void em_txcsum(struct adapter *, struct mbuf *,
+ uint32_t *, uint32_t *);
+
+static int em_get_hw_info(struct adapter *);
+static int em_is_valid_eaddr(const uint8_t *);
+static int em_alloc_pci_res(struct adapter *);
+static void em_free_pci_res(struct adapter *);
+static int em_hw_init(struct adapter *);
+static void em_setup_ifp(struct adapter *);
+static void em_init_tx_unit(struct adapter *);
+static void em_init_rx_unit(struct adapter *);
+static void em_update_stats(struct adapter *);
static void em_set_promisc(struct adapter *);
static void em_disable_promisc(struct adapter *);
static void em_set_multi(struct adapter *);
-static void em_print_hw_stats(struct adapter *);
static void em_update_link_status(struct adapter *);
-static int em_get_buf(int i, struct adapter *, struct mbuf *, int how);
-static void em_enable_vlans(struct adapter *);
-static void em_disable_vlans(struct adapter *) __unused;
-static int em_encap(struct adapter *, struct mbuf *);
static void em_smartspeed(struct adapter *);
+
+/* Hardware workarounds */
static int em_82547_fifo_workaround(struct adapter *, int);
static void em_82547_update_fifo_head(struct adapter *, int);
static int em_82547_tx_fifo_reset(struct adapter *);
static void em_82547_move_tail(void *);
static void em_82547_move_tail_serialized(struct adapter *);
-static int em_dma_malloc(struct adapter *, bus_size_t,
- struct em_dma_alloc *);
-static void em_dma_free(struct adapter *, struct em_dma_alloc *);
+static uint32_t em_82544_fill_desc(bus_addr_t, uint32_t, PDESC_ARRAY);
+
static void em_print_debug_info(struct adapter *);
-static int em_is_valid_ether_addr(uint8_t *);
+static void em_print_nvm_info(struct adapter *);
+static void em_print_hw_stats(struct adapter *);
+
static int em_sysctl_stats(SYSCTL_HANDLER_ARGS);
static int em_sysctl_debug_info(SYSCTL_HANDLER_ARGS);
-static uint32_t em_fill_descriptors(bus_addr_t address, uint32_t length,
- PDESC_ARRAY desc_array);
static int em_sysctl_int_delay(SYSCTL_HANDLER_ARGS);
static int em_sysctl_int_throttle(SYSCTL_HANDLER_ARGS);
+static void em_add_sysctl(struct adapter *adapter);
static void em_add_int_delay_sysctl(struct adapter *, const char *,
- const char *,
- struct em_int_delay_info *, int, int);
+ const char *, struct em_int_delay_info *, int, int);
-/*********************************************************************
- * FreeBSD Device Interface Entry Points
- *********************************************************************/
+/* Management and WOL Support */
+static void em_get_mgmt(struct adapter *);
+static void em_rel_mgmt(struct adapter *);
+static void em_get_hw_control(struct adapter *);
+static void em_rel_hw_control(struct adapter *);
+static void em_enable_wol(device_t);
static device_method_t em_methods[] = {
/* Device interface */
- DEVMETHOD(device_probe, em_probe),
- DEVMETHOD(device_attach, em_attach),
- DEVMETHOD(device_detach, em_detach),
- DEVMETHOD(device_shutdown, em_shutdown),
- DEVMETHOD(device_suspend, em_suspend),
- DEVMETHOD(device_resume, em_resume),
- {0, 0}
+ DEVMETHOD(device_probe, em_probe),
+ DEVMETHOD(device_attach, em_attach),
+ DEVMETHOD(device_detach, em_detach),
+ DEVMETHOD(device_shutdown, em_shutdown),
+ DEVMETHOD(device_suspend, em_suspend),
+ DEVMETHOD(device_resume, em_resume),
+ { 0, 0 }
};
static driver_t em_driver = {
- "em", em_methods, sizeof(struct adapter),
+ "em",
+ em_methods,
+ sizeof(struct adapter),
};
static devclass_t em_devclass;
DECLARE_DUMMY_MODULE(if_em);
+MODULE_DEPEND(em, ig_hal, 1, 1, 1);
DRIVER_MODULE(if_em, pci, em_driver, em_devclass, 0, 0);
/*********************************************************************
* Tunable default values.
*********************************************************************/
-#define E1000_TICKS_TO_USECS(ticks) ((1024 * (ticks) + 500) / 1000)
-#define E1000_USECS_TO_TICKS(usecs) ((1000 * (usecs) + 512) / 1024)
+#define EM_TICKS_TO_USECS(ticks) ((1024 * (ticks) + 500) / 1000)
+#define EM_USECS_TO_TICKS(usecs) ((1000 * (usecs) + 512) / 1024)
+
+static int em_tx_int_delay_dflt = EM_TICKS_TO_USECS(EM_TIDV);
+static int em_rx_int_delay_dflt = EM_TICKS_TO_USECS(EM_RDTR);
+static int em_tx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_TADV);
+static int em_rx_abs_int_delay_dflt = EM_TICKS_TO_USECS(EM_RADV);
+static int em_int_throttle_ceil = EM_DEFAULT_ITR;
+static int em_rxd = EM_DEFAULT_RXD;
+static int em_txd = EM_DEFAULT_TXD;
+static int em_smart_pwr_down = FALSE;
-static int em_tx_int_delay_dflt = E1000_TICKS_TO_USECS(EM_TIDV);
-static int em_rx_int_delay_dflt = E1000_TICKS_TO_USECS(EM_RDTR);
-static int em_tx_abs_int_delay_dflt = E1000_TICKS_TO_USECS(EM_TADV);
-static int em_rx_abs_int_delay_dflt = E1000_TICKS_TO_USECS(EM_RADV);
-static int em_int_throttle_ceil = 10000;
-static int em_rxd = EM_DEFAULT_RXD;
-static int em_txd = EM_DEFAULT_TXD;
-static int em_smart_pwr_down = FALSE;
+/* Controls whether promiscuous also shows bad packets */
+static int em_debug_sbp = FALSE;
TUNABLE_INT("hw.em.tx_int_delay", &em_tx_int_delay_dflt);
TUNABLE_INT("hw.em.rx_int_delay", &em_rx_int_delay_dflt);
TUNABLE_INT("hw.em.rxd", &em_rxd);
TUNABLE_INT("hw.em.txd", &em_txd);
TUNABLE_INT("hw.em.smart_pwr_down", &em_smart_pwr_down);
+TUNABLE_INT("hw.em.sbp", &em_debug_sbp);
+
+/* Global used in WOL setup with multiport cards */
+static int em_global_quad_port_a = 0;
+
+/* Set this to one to display debug statistics */
+static int em_display_debug_stats = 0;
-/*
- * Kernel trace for characterization of operations
- */
#if !defined(KTR_IF_EM)
#define KTR_IF_EM KTR_ALL
#endif
KTR_INFO(KTR_IF_EM, if_em, pkt_txclean, 6, "tx clean", 0);
#define logif(name) KTR_LOG(if_em_ ## name)
-/*********************************************************************
- * Device identification routine
- *
- * em_probe determines if the driver should be loaded on
- * adapter based on PCI vendor/device id of the adapter.
- *
- * return 0 on success, positive on failure
- *********************************************************************/
-
static int
em_probe(device_t dev)
{
- em_vendor_info_t *ent;
-
- uint16_t pci_vendor_id = 0;
- uint16_t pci_device_id = 0;
- uint16_t pci_subvendor_id = 0;
- uint16_t pci_subdevice_id = 0;
- char adapter_name[60];
+ const struct em_vendor_info *ent;
+ uint16_t vid, did;
- INIT_DEBUGOUT("em_probe: begin");
+ vid = pci_get_vendor(dev);
+ did = pci_get_device(dev);
- pci_vendor_id = pci_get_vendor(dev);
- if (pci_vendor_id != EM_VENDOR_ID)
- return (ENXIO);
-
- pci_device_id = pci_get_device(dev);
- pci_subvendor_id = pci_get_subvendor(dev);
- pci_subdevice_id = pci_get_subdevice(dev);
-
- ent = em_vendor_info_array;
- while (ent->vendor_id != 0) {
- if ((pci_vendor_id == ent->vendor_id) &&
- (pci_device_id == ent->device_id) &&
-
- ((pci_subvendor_id == ent->subvendor_id) ||
- (ent->subvendor_id == PCI_ANY_ID)) &&
-
- ((pci_subdevice_id == ent->subdevice_id) ||
- (ent->subdevice_id == PCI_ANY_ID))) {
- ksnprintf(adapter_name, sizeof(adapter_name),
- "%s, Version - %s", em_strings[ent->index],
- em_driver_version);
- device_set_desc_copy(dev, adapter_name);
+ for (ent = em_vendor_info_array; ent->desc != NULL; ++ent) {
+ if (vid == ent->vendor_id && did == ent->device_id) {
+ device_set_desc(dev, ent->desc);
device_set_async_attach(dev, TRUE);
return (0);
}
- ent++;
}
-
return (ENXIO);
}
-/*********************************************************************
- * Device initialization routine
- *
- * The attach entry point is called when the driver is being loaded.
- * This routine identifies the type of hardware, allocates all resources
- * and initializes the hardware.
- *
- * return 0 on success, positive on failure
- *********************************************************************/
-
static int
em_attach(device_t dev)
{
- struct adapter *adapter;
- struct ifnet *ifp;
+ struct adapter *adapter = device_get_softc(dev);
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
int tsize, rsize;
int error = 0;
+ uint16_t eeprom_data, device_id;
- INIT_DEBUGOUT("em_attach: begin");
-
- adapter = device_get_softc(dev);
- ifp = &adapter->interface_data.ac_if;
+ adapter->dev = adapter->osdep.dev = dev;
callout_init(&adapter->timer);
callout_init(&adapter->tx_fifo_timer);
- adapter->dev = dev;
- adapter->osdep.dev = dev;
-
- /* SYSCTL stuff */
- sysctl_ctx_init(&adapter->sysctl_ctx);
- adapter->sysctl_tree = SYSCTL_ADD_NODE(&adapter->sysctl_ctx,
- SYSCTL_STATIC_CHILDREN(_hw),
- OID_AUTO,
- device_get_nameunit(dev),
- CTLFLAG_RD,
- 0, "");
-
- if (adapter->sysctl_tree == NULL) {
- device_printf(dev, "Unable to create sysctl tree\n");
- return EIO;
+ /* Determine hardware and mac info */
+ error = em_get_hw_info(adapter);
+ if (error) {
+ device_printf(dev, "Identify hardware failed\n");
+ goto fail;
}
- SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree),
- OID_AUTO, "debug_info", CTLTYPE_INT|CTLFLAG_RW,
- (void *)adapter, 0,
- em_sysctl_debug_info, "I", "Debug Information");
+ /* Setup PCI resources */
+ error = em_alloc_pci_res(adapter);
+ if (error) {
+ device_printf(dev, "Allocation of PCI resources failed\n");
+ goto fail;
+ }
- SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree),
- OID_AUTO, "stats", CTLTYPE_INT|CTLFLAG_RW,
- (void *)adapter, 0,
- em_sysctl_stats, "I", "Statistics");
+ /*
+ * For ICH8 and family we need to map the flash memory,
+ * and this must happen after the MAC is identified.
+ */
+ if (adapter->hw.mac.type == e1000_ich8lan ||
+ adapter->hw.mac.type == e1000_ich10lan ||
+ adapter->hw.mac.type == e1000_ich9lan) {
+ adapter->flash_rid = EM_BAR_FLASH;
+
+ adapter->flash = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
+ &adapter->flash_rid, RF_ACTIVE);
+ if (adapter->flash == NULL) {
+ device_printf(dev, "Mapping of Flash failed\n");
+ error = ENXIO;
+ goto fail;
+ }
+ adapter->osdep.flash_bus_space_tag =
+ rman_get_bustag(adapter->flash);
+ adapter->osdep.flash_bus_space_handle =
+ rman_get_bushandle(adapter->flash);
- /* Determine hardware revision */
- em_identify_hardware(adapter);
+ /*
+ * This is used in the shared code
+ * XXX this goof is actually not used.
+ */
+ adapter->hw.flash_address = (uint8_t *)adapter->flash;
+ }
- /* Set up some sysctls for the tunable interrupt delays */
- em_add_int_delay_sysctl(adapter, "rx_int_delay",
- "receive interrupt delay in usecs",
- &adapter->rx_int_delay,
- E1000_REG_OFFSET(&adapter->hw, RDTR),
- em_rx_int_delay_dflt);
- em_add_int_delay_sysctl(adapter, "tx_int_delay",
- "transmit interrupt delay in usecs",
- &adapter->tx_int_delay,
- E1000_REG_OFFSET(&adapter->hw, TIDV),
- em_tx_int_delay_dflt);
- if (adapter->hw.mac_type >= em_82540) {
- em_add_int_delay_sysctl(adapter, "rx_abs_int_delay",
- "receive interrupt delay limit in usecs",
- &adapter->rx_abs_int_delay,
- E1000_REG_OFFSET(&adapter->hw, RADV),
- em_rx_abs_int_delay_dflt);
- em_add_int_delay_sysctl(adapter, "tx_abs_int_delay",
- "transmit interrupt delay limit in usecs",
- &adapter->tx_abs_int_delay,
- E1000_REG_OFFSET(&adapter->hw, TADV),
- em_tx_abs_int_delay_dflt);
- SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree),
- OID_AUTO, "int_throttle_ceil", CTLTYPE_INT|CTLFLAG_RW,
- adapter, 0, em_sysctl_int_throttle, "I", NULL);
+ /* Do Shared Code initialization */
+ if (e1000_setup_init_funcs(&adapter->hw, TRUE)) {
+ device_printf(dev, "Setup of Shared code failed\n");
+ error = ENXIO;
+ goto fail;
}
+ e1000_get_bus_info(&adapter->hw);
+
/*
- * Validate number of transmit and receive descriptors. It
+ * Validate number of transmit and receive descriptors. It
* must not exceed hardware maximum, and must be multiple
- * of EM_DBA_ALIGN.
+ * of E1000_DBA_ALIGN.
*/
- if (((em_txd * sizeof(struct em_tx_desc)) % EM_DBA_ALIGN) != 0 ||
- (adapter->hw.mac_type >= em_82544 && em_txd > EM_MAX_TXD) ||
- (adapter->hw.mac_type < em_82544 && em_txd > EM_MAX_TXD_82543) ||
- (em_txd < EM_MIN_TXD)) {
+ if ((em_txd * sizeof(struct e1000_tx_desc)) % EM_DBA_ALIGN != 0 ||
+ (adapter->hw.mac.type >= e1000_82544 && em_txd > EM_MAX_TXD) ||
+ (adapter->hw.mac.type < e1000_82544 && em_txd > EM_MAX_TXD_82543) ||
+ em_txd < EM_MIN_TXD) {
device_printf(dev, "Using %d TX descriptors instead of %d!\n",
- EM_DEFAULT_TXD, em_txd);
+ EM_DEFAULT_TXD, em_txd);
adapter->num_tx_desc = EM_DEFAULT_TXD;
} else {
adapter->num_tx_desc = em_txd;
}
-
- if (((em_rxd * sizeof(struct em_rx_desc)) % EM_DBA_ALIGN) != 0 ||
- (adapter->hw.mac_type >= em_82544 && em_rxd > EM_MAX_RXD) ||
- (adapter->hw.mac_type < em_82544 && em_rxd > EM_MAX_RXD_82543) ||
- (em_rxd < EM_MIN_RXD)) {
+ if ((em_rxd * sizeof(struct e1000_rx_desc)) % EM_DBA_ALIGN != 0 ||
+ (adapter->hw.mac.type >= e1000_82544 && em_rxd > EM_MAX_RXD) ||
+ (adapter->hw.mac.type < e1000_82544 && em_rxd > EM_MAX_RXD_82543) ||
+ em_rxd < EM_MIN_RXD) {
device_printf(dev, "Using %d RX descriptors instead of %d!\n",
- EM_DEFAULT_RXD, em_rxd);
+ EM_DEFAULT_RXD, em_rxd);
adapter->num_rx_desc = EM_DEFAULT_RXD;
} else {
adapter->num_rx_desc = em_rxd;
}
- SYSCTL_ADD_INT(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree), OID_AUTO, "rxd",
- CTLFLAG_RD, &adapter->num_rx_desc, 0, NULL);
- SYSCTL_ADD_INT(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree), OID_AUTO, "txd",
- CTLFLAG_RD, &adapter->num_tx_desc, 0, NULL);
+ adapter->hw.mac.autoneg = DO_AUTO_NEG;
+ adapter->hw.phy.autoneg_wait_to_complete = FALSE;
+ adapter->hw.phy.autoneg_advertised = AUTONEG_ADV_DEFAULT;
+ adapter->rx_buffer_len = MCLBYTES;
- adapter->hw.autoneg = DO_AUTO_NEG;
- adapter->hw.wait_autoneg_complete = WAIT_FOR_AUTO_NEG_DEFAULT;
- adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
- adapter->hw.tbi_compatibility_en = TRUE;
- adapter->rx_buffer_len = EM_RXBUFFER_2048;
+ /*
+ * Interrupt throttle rate
+ */
+ if (em_int_throttle_ceil == 0) {
+ adapter->int_throttle_ceil = 0;
+ } else {
+ int throttle = em_int_throttle_ceil;
- adapter->hw.phy_init_script = 1;
- adapter->hw.phy_reset_disable = FALSE;
+ if (throttle < 0)
+ throttle = EM_DEFAULT_ITR;
-#ifndef EM_MASTER_SLAVE
- adapter->hw.master_slave = em_ms_hw_default;
-#else
- adapter->hw.master_slave = EM_MASTER_SLAVE;
-#endif
+ /* Recalculate the tunable value to get the exact frequency. */
+ throttle = 1000000000 / 256 / throttle;
+ adapter->int_throttle_ceil = 1000000000 / 256 / throttle;
+ }
- /*
- * Set the max frame size assuming standard ethernet
- * sized frames.
- */
- adapter->hw.max_frame_size = ETHERMTU + ETHER_HDR_LEN + ETHER_CRC_LEN;
+ e1000_init_script_state_82541(&adapter->hw, TRUE);
+ e1000_set_tbi_compatibility_82543(&adapter->hw, TRUE);
+
+ /* Copper options */
+ if (adapter->hw.phy.media_type == e1000_media_type_copper) {
+ adapter->hw.phy.mdix = AUTO_ALL_MODES;
+ adapter->hw.phy.disable_polarity_correction = FALSE;
+ adapter->hw.phy.ms_type = EM_MASTER_SLAVE;
+ }
+
+ /* Set the frame limits assuming standard ethernet sized frames. */
+ adapter->max_frame_size = ETHERMTU + ETHER_HDR_LEN + ETHER_CRC_LEN;
+ adapter->min_frame_size = ETH_ZLEN + ETHER_CRC_LEN;
- adapter->hw.min_frame_size =
- MINIMUM_ETHERNET_PACKET_SIZE + ETHER_CRC_LEN;
+ /* This controls when hardware reports transmit completion status. */
+ adapter->hw.mac.report_tx_early = 1;
/*
- * This controls when hardware reports transmit completion
- * status.
+ * Create top level busdma tag
*/
- adapter->hw.report_tx_early = 1;
-
- error = em_allocate_pci_resources(dev);
- if (error)
+ error = bus_dma_tag_create(NULL, 1, 0,
+ BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
+ NULL, NULL,
+ BUS_SPACE_MAXSIZE_32BIT, 0, BUS_SPACE_MAXSIZE_32BIT,
+ 0, &adapter->parent_dtag);
+ if (error) {
+ device_printf(dev, "could not create top level DMA tag\n");
goto fail;
+ }
- /* Initialize eeprom parameters */
- em_init_eeprom_params(&adapter->hw);
-
- tsize = roundup2(adapter->num_tx_desc * sizeof(struct em_tx_desc),
+ /*
+ * Allocate Transmit Descriptor ring
+ */
+ tsize = roundup2(adapter->num_tx_desc * sizeof(struct e1000_tx_desc),
EM_DBA_ALIGN);
-
- /* Allocate Transmit Descriptor ring */
error = em_dma_malloc(adapter, tsize, &adapter->txdma);
if (error) {
- device_printf(dev, "Unable to allocate TxDescriptor memory\n");
+ device_printf(dev, "Unable to allocate tx_desc memory\n");
goto fail;
}
- adapter->tx_desc_base = (struct em_tx_desc *)adapter->txdma.dma_vaddr;
+ adapter->tx_desc_base = adapter->txdma.dma_vaddr;
- rsize = roundup2(adapter->num_rx_desc * sizeof(struct em_rx_desc),
+ /*
+ * Allocate Receive Descriptor ring
+ */
+ rsize = roundup2(adapter->num_rx_desc * sizeof(struct e1000_rx_desc),
EM_DBA_ALIGN);
-
- /* Allocate Receive Descriptor ring */
error = em_dma_malloc(adapter, rsize, &adapter->rxdma);
if (error) {
device_printf(dev, "Unable to allocate rx_desc memory\n");
goto fail;
}
- adapter->rx_desc_base = (struct em_rx_desc *)adapter->rxdma.dma_vaddr;
+ adapter->rx_desc_base = adapter->rxdma.dma_vaddr;
+
+ /* Make sure we have a good EEPROM before we read from it */
+ if (e1000_validate_nvm_checksum(&adapter->hw) < 0) {
+ /*
+ * Some PCI-E parts fail the first check due to
+ * the link being in sleep state, call it again,
+ * if it fails a second time its a real issue.
+ */
+ if (e1000_validate_nvm_checksum(&adapter->hw) < 0) {
+ device_printf(dev,
+ "The EEPROM Checksum Is Not Valid\n");
+ error = EIO;
+ goto fail;
+ }
+ }
/* Initialize the hardware */
- if (em_hardware_init(adapter)) {
+ error = em_hw_init(adapter);
+ if (error) {
device_printf(dev, "Unable to initialize the hardware\n");
- error = EIO;
goto fail;
}
/* Copy the permanent MAC address out of the EEPROM */
- if (em_read_mac_addr(&adapter->hw) < 0) {
- device_printf(dev,
- "EEPROM read error while reading MAC address\n");
+ if (e1000_read_mac_addr(&adapter->hw) < 0) {
+ device_printf(dev, "EEPROM read error while reading MAC"
+ " address\n");
error = EIO;
goto fail;
}
-
- if (!em_is_valid_ether_addr(adapter->hw.mac_addr)) {
+ if (!em_is_valid_eaddr(adapter->hw.mac.addr)) {
device_printf(dev, "Invalid MAC address\n");
error = EIO;
goto fail;
}
+ /* Allocate transmit descriptors and buffers */
+ error = em_create_tx_ring(adapter);
+ if (error) {
+ device_printf(dev, "Could not setup transmit structures\n");
+ goto fail;
+ }
+
+ /* Allocate receive descriptors and buffers */
+ error = em_create_rx_ring(adapter);
+ if (error) {
+ device_printf(dev, "Could not setup receive structures\n");
+ goto fail;
+ }
+
+ /* Manually turn off all interrupts */
+ E1000_WRITE_REG(&adapter->hw, E1000_IMC, 0xffffffff);
+
/* Setup OS specific network interface */
- em_setup_interface(dev, adapter);
+ em_setup_ifp(adapter);
+
+ /* Add sysctl tree, must after em_setup_ifp() */
+ em_add_sysctl(adapter);
/* Initialize statistics */
- em_clear_hw_cntrs(&adapter->hw);
- em_update_stats_counters(adapter);
- adapter->hw.get_link_status = 1;
+ em_update_stats(adapter);
+
+ adapter->hw.mac.get_link_status = 1;
em_update_link_status(adapter);
/* Indicate SOL/IDER usage */
- if (em_check_phy_reset_block(&adapter->hw)) {
- device_printf(dev, "PHY reset is blocked due to "
- "SOL/IDER session.\n");
- }
-
- /* Identify 82544 on PCIX */
- em_get_bus_info(&adapter->hw);
- if (adapter->hw.bus_type == em_bus_type_pcix &&
- adapter->hw.mac_type == em_82544)
+ if (e1000_check_reset_block(&adapter->hw)) {
+ device_printf(dev,
+ "PHY reset is blocked due to SOL/IDER session.\n");
+ }
+
+ /* Determine if we have to control management hardware */
+ adapter->has_manage = e1000_enable_mng_pass_thru(&adapter->hw);
+
+ /*
+ * Setup Wake-on-Lan
+ */
+ switch (adapter->hw.mac.type) {
+ case e1000_82542:
+ case e1000_82543:
+ break;
+
+ case e1000_82546:
+ case e1000_82546_rev_3:
+ case e1000_82571:
+ case e1000_80003es2lan:
+ if (adapter->hw.bus.func == 1) {
+ e1000_read_nvm(&adapter->hw,
+ NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
+ } else {
+ e1000_read_nvm(&adapter->hw,
+ NVM_INIT_CONTROL3_PORT_A, 1, &eeprom_data);
+ }
+ eeprom_data &= EM_EEPROM_APME;
+ break;
+
+ default:
+ /* APME bit in EEPROM is mapped to WUC.APME */
+ eeprom_data =
+ E1000_READ_REG(&adapter->hw, E1000_WUC) & E1000_WUC_APME;
+ break;
+ }
+ if (eeprom_data)
+ adapter->wol = E1000_WUFC_MAG;
+ /*
+ * We have the eeprom settings, now apply the special cases
+ * where the eeprom may be wrong or the board won't support
+ * wake on lan on a particular port
+ */
+ device_id = pci_get_device(dev);
+ switch (device_id) {
+ case E1000_DEV_ID_82546GB_PCIE:
+ adapter->wol = 0;
+ break;
+
+ case E1000_DEV_ID_82546EB_FIBER:
+ case E1000_DEV_ID_82546GB_FIBER:
+ case E1000_DEV_ID_82571EB_FIBER:
+ /*
+ * Wake events only supported on port A for dual fiber
+ * regardless of eeprom setting
+ */
+ if (E1000_READ_REG(&adapter->hw, E1000_STATUS) &
+ E1000_STATUS_FUNC_1)
+ adapter->wol = 0;
+ break;
+
+ case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
+ case E1000_DEV_ID_82571EB_QUAD_COPPER:
+ case E1000_DEV_ID_82571EB_QUAD_FIBER:
+ case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
+ /* if quad port adapter, disable WoL on all but port A */
+ if (em_global_quad_port_a != 0)
+ adapter->wol = 0;
+ /* Reset for multiple quad port adapters */
+ if (++em_global_quad_port_a == 4)
+ em_global_quad_port_a = 0;
+ break;
+ }
+
+ /* XXX disable wol */
+ adapter->wol = 0;
+
+ /* Do we need workaround for 82544 PCI-X adapter? */
+ if (adapter->hw.bus.type == e1000_bus_type_pcix &&
+ adapter->hw.mac.type == e1000_82544)
adapter->pcix_82544 = TRUE;
else
adapter->pcix_82544 = FALSE;
- error = bus_setup_intr(dev, adapter->res_interrupt, INTR_MPSAFE,
- em_intr, adapter,
- &adapter->int_handler_tag, ifp->if_serializer);
+ if (adapter->pcix_82544) {
+ /*
+ * 82544 on PCI-X may split one TX segment
+ * into two TX descs, so we double its number
+ * of spare TX desc here.
+ */
+ adapter->spare_tx_desc = 2 * EM_TX_SPARE;
+ } else {
+ adapter->spare_tx_desc = EM_TX_SPARE;
+ }
+
+ error = bus_setup_intr(dev, adapter->intr_res, INTR_MPSAFE,
+ em_intr, adapter, &adapter->intr_tag,
+ ifp->if_serializer);
if (error) {
- device_printf(dev, "Error registering interrupt handler!\n");
- ether_ifdetach(ifp);
+ device_printf(dev, "Failed to register interrupt handler");
+ ether_ifdetach(&adapter->arpcom.ac_if);
goto fail;
}
- ifp->if_cpuid = ithread_cpuid(rman_get_start(adapter->res_interrupt));
+ ifp->if_cpuid = ithread_cpuid(rman_get_start(adapter->intr_res));
KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
- INIT_DEBUGOUT("em_attach: end");
- return(0);
-
+ return (0);
fail:
em_detach(dev);
- return(error);
+ return (error);
}
-/*********************************************************************
- * Device removal routine
- *
- * The detach entry point is called when the driver is being removed.
- * This routine stops the adapter and deallocates all the resources
- * that were allocated for driver operation.
- *
- * return 0 on success, positive on failure
- *********************************************************************/
-
static int
em_detach(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
- INIT_DEBUGOUT("em_detach: begin");
-
if (device_is_attached(dev)) {
- struct ifnet *ifp = &adapter->interface_data.ac_if;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
lwkt_serialize_enter(ifp->if_serializer);
+
adapter->in_detach = 1;
em_stop(adapter);
- em_phy_hw_reset(&adapter->hw);
- bus_teardown_intr(dev, adapter->res_interrupt,
- adapter->int_handler_tag);
+
+ e1000_phy_hw_reset(&adapter->hw);
+
+ em_rel_mgmt(adapter);
+
+ if ((adapter->hw.mac.type == e1000_82573 ||
+ adapter->hw.mac.type == e1000_ich8lan ||
+ adapter->hw.mac.type == e1000_ich10lan ||
+ adapter->hw.mac.type == e1000_ich9lan) &&
+ e1000_check_mng_mode(&adapter->hw))
+ em_rel_hw_control(adapter);
+
+ if (adapter->wol) {
+ E1000_WRITE_REG(&adapter->hw, E1000_WUC,
+ E1000_WUC_PME_EN);
+ E1000_WRITE_REG(&adapter->hw, E1000_WUFC, adapter->wol);
+ em_enable_wol(dev);
+ }
+
+ bus_teardown_intr(dev, adapter->intr_res, adapter->intr_tag);
+
lwkt_serialize_exit(ifp->if_serializer);
ether_ifdetach(ifp);
}
bus_generic_detach(dev);
- em_free_pci_resources(dev);
+ em_free_pci_res(adapter);
+
+ em_destroy_tx_ring(adapter, adapter->num_tx_desc);
+ em_destroy_rx_ring(adapter, adapter->num_rx_desc);
/* Free Transmit Descriptor ring */
- if (adapter->tx_desc_base != NULL) {
+ if (adapter->tx_desc_base)
em_dma_free(adapter, &adapter->txdma);
- adapter->tx_desc_base = NULL;
- }
/* Free Receive Descriptor ring */
- if (adapter->rx_desc_base != NULL) {
+ if (adapter->rx_desc_base)
em_dma_free(adapter, &adapter->rxdma);
- adapter->rx_desc_base = NULL;
- }
+
+ /* Free top level busdma tag */
+ if (adapter->parent_dtag != NULL)
+ bus_dma_tag_destroy(adapter->parent_dtag);
/* Free sysctl tree */
- if (adapter->sysctl_tree != NULL) {
- adapter->sysctl_tree = NULL;
+ if (adapter->sysctl_tree != NULL)
sysctl_ctx_free(&adapter->sysctl_ctx);
- }
return (0);
}
-/*********************************************************************
- *
- * Shutdown entry point
- *
- **********************************************************************/
-
static int
em_shutdown(device_t dev)
{
- struct adapter *adapter = device_get_softc(dev);
- struct ifnet *ifp = &adapter->interface_data.ac_if;
-
- lwkt_serialize_enter(ifp->if_serializer);
- em_stop(adapter);
- lwkt_serialize_exit(ifp->if_serializer);
-
- return (0);
+ return em_suspend(dev);
}
-/*
- * Suspend/resume device methods.
- */
static int
em_suspend(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
- struct ifnet *ifp = &adapter->interface_data.ac_if;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
lwkt_serialize_enter(ifp->if_serializer);
+
em_stop(adapter);
+
+ em_rel_mgmt(adapter);
+
+ if ((adapter->hw.mac.type == e1000_82573 ||
+ adapter->hw.mac.type == e1000_ich8lan ||
+ adapter->hw.mac.type == e1000_ich10lan ||
+ adapter->hw.mac.type == e1000_ich9lan) &&
+ e1000_check_mng_mode(&adapter->hw))
+ em_rel_hw_control(adapter);
+
+ if (adapter->wol) {
+ E1000_WRITE_REG(&adapter->hw, E1000_WUC, E1000_WUC_PME_EN);
+ E1000_WRITE_REG(&adapter->hw, E1000_WUFC, adapter->wol);
+ em_enable_wol(dev);
+ }
+
lwkt_serialize_exit(ifp->if_serializer);
- return (0);
+
+ return bus_generic_suspend(dev);
}
static int
em_resume(device_t dev)
{
struct adapter *adapter = device_get_softc(dev);
- struct ifnet *ifp = &adapter->interface_data.ac_if;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
lwkt_serialize_enter(ifp->if_serializer);
- ifp->if_flags &= ~IFF_RUNNING;
+
em_init(adapter);
+ em_get_mgmt(adapter);
if_devstart(ifp);
+
lwkt_serialize_exit(ifp->if_serializer);
return bus_generic_resume(dev);
}
-/*********************************************************************
- * Transmit entry point
- *
- * em_start is called by the stack to initiate a transmit.
- * The driver will remain in this routine as long as there are
- * packets to transmit and transmit resources are available.
- * In case resources are not available stack is notified and
- * the packet is requeued.
- **********************************************************************/
-
static void
em_start(struct ifnet *ifp)
{
- struct mbuf *m_head;
struct adapter *adapter = ifp->if_softc;
+ struct mbuf *m_head;
ASSERT_SERIALIZED(ifp->if_serializer);
if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
return;
+
if (!adapter->link_active) {
ifq_purge(&ifp->if_snd);
return;
}
+
while (!ifq_is_empty(&ifp->if_snd)) {
+ /*
+ * Force a cleanup if number of TX descriptors
+ * available hits the threshold
+ */
+ if (adapter->num_tx_desc_avail <= EM_TX_CLEANUP_THRESHOLD) {
+ em_txeof(adapter);
+
+ /* Now do we at least have a minimal? */
+ if (EM_IS_OACTIVE(adapter)) {
+ adapter->no_tx_desc_avail1++;
+ ifp->if_flags |= IFF_OACTIVE;
+ break;
+ }
+ }
+
+ logif(pkt_txqueue);
m_head = ifq_dequeue(&ifp->if_snd, NULL);
if (m_head == NULL)
break;
- logif(pkt_txqueue);
- if (em_encap(adapter, m_head)) {
- ifp->if_flags |= IFF_OACTIVE;
- ifq_prepend(&ifp->if_snd, m_head);
- break;
+ if (em_encap(adapter, &m_head)) {
+ if (adapter->num_tx_desc_avail ==
+ adapter->num_tx_desc) {
+ continue;
+ } else {
+ ifp->if_flags |= IFF_OACTIVE;
+ break;
+ }
}
/* Send a copy of the frame to the BPF listener */
}
}
-/*********************************************************************
- * Ioctl entry point
- *
- * em_ioctl is called when the user wants to configure the
- * interface.
- *
- * return 0 on success, positive on failure
- **********************************************************************/
-
static int
em_ioctl(struct ifnet *ifp, u_long command, caddr_t data, struct ucred *cr)
{
- int max_frame_size, mask, error = 0, reinit = 0;
- struct ifreq *ifr = (struct ifreq *) data;
struct adapter *adapter = ifp->if_softc;
+ struct ifreq *ifr = (struct ifreq *)data;
uint16_t eeprom_data = 0;
-
- ASSERT_SERIALIZED(ifp->if_serializer);
+ int max_frame_size, mask, reinit;
+ int error = 0;
if (adapter->in_detach)
- return 0;
+ return (error);
+
+ ASSERT_SERIALIZED(ifp->if_serializer);
switch (command) {
case SIOCSIFMTU:
- IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFMTU (Set Interface MTU)");
- switch (adapter->hw.mac_type) {
- case em_82573:
+ switch (adapter->hw.mac.type) {
+ case e1000_82573:
/*
* 82573 only supports jumbo frames
* if ASPM is disabled.
*/
- em_read_eeprom(&adapter->hw, EEPROM_INIT_3GIO_3,
- 1, &eeprom_data);
- if (eeprom_data & EEPROM_WORD1A_ASPM_MASK) {
+ e1000_read_nvm(&adapter->hw,
+ NVM_INIT_3GIO_3, 1, &eeprom_data);
+ if (eeprom_data & NVM_WORD1A_ASPM_MASK) {
max_frame_size = ETHER_MAX_LEN;
break;
}
- /* Allow Jumbo frames */
- /* FALLTHROUGH */
- case em_82571:
- case em_82572:
- case em_ich9lan:
- case em_80003es2lan: /* Limit Jumbo Frame size */
+ /* FALL THROUGH */
+
+ /* Limit Jumbo Frame size */
+ case e1000_82571:
+ case e1000_82572:
+ case e1000_ich9lan:
+ case e1000_ich10lan:
+ case e1000_82574:
+ case e1000_80003es2lan:
max_frame_size = 9234;
break;
- case em_ich8lan:
- /* ICH8 does not support jumbo frames */
+
+ /* Adapters that do not support jumbo frames */
+ case e1000_82542:
+ case e1000_ich8lan:
max_frame_size = ETHER_MAX_LEN;
break;
+
default:
max_frame_size = MAX_JUMBO_FRAME_SIZE;
break;
}
- if (ifr->ifr_mtu >
- max_frame_size - ETHER_HDR_LEN - ETHER_CRC_LEN) {
+ if (ifr->ifr_mtu > max_frame_size - ETHER_HDR_LEN -
+ ETHER_CRC_LEN) {
error = EINVAL;
- } else {
- ifp->if_mtu = ifr->ifr_mtu;
- adapter->hw.max_frame_size =
- ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
- ifp->if_flags &= ~IFF_RUNNING;
- em_init(adapter);
+ break;
}
+
+ ifp->if_mtu = ifr->ifr_mtu;
+ adapter->max_frame_size =
+ ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+
+ if (ifp->if_flags & IFF_RUNNING)
+ em_init(adapter);
break;
+
case SIOCSIFFLAGS:
- IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFFLAGS "
- "(Set Interface Flags)");
if (ifp->if_flags & IFF_UP) {
- if (!(ifp->if_flags & IFF_RUNNING)) {
+ if ((ifp->if_flags & IFF_RUNNING)) {
+ if ((ifp->if_flags ^ adapter->if_flags) &
+ (IFF_PROMISC | IFF_ALLMULTI)) {
+ em_disable_promisc(adapter);
+ em_set_promisc(adapter);
+ }
+ } else {
em_init(adapter);
- } else if ((ifp->if_flags ^ adapter->if_flags) &
- (IFF_PROMISC | IFF_ALLMULTI)) {
- em_disable_promisc(adapter);
- em_set_promisc(adapter);
}
- } else {
- if (ifp->if_flags & IFF_RUNNING)
- em_stop(adapter);
+ } else if (ifp->if_flags & IFF_RUNNING) {
+ em_stop(adapter);
}
adapter->if_flags = ifp->if_flags;
break;
+
case SIOCADDMULTI:
case SIOCDELMULTI:
- IOCTL_DEBUGOUT("ioctl rcv'd: SIOC(ADD|DEL)MULTI");
if (ifp->if_flags & IFF_RUNNING) {
em_disable_intr(adapter);
em_set_multi(adapter);
- if (adapter->hw.mac_type == em_82542_rev2_0)
- em_initialize_receive_unit(adapter);
+ if (adapter->hw.mac.type == e1000_82542 &&
+ adapter->hw.revision_id == E1000_REVISION_2)
+ em_init_rx_unit(adapter);
#ifdef DEVICE_POLLING
- /* Do not enable interrupt if polling(4) is enabled */
- if ((ifp->if_flags & IFF_POLLING) == 0)
+ if (!(ifp->if_flags & IFF_POLLING))
#endif
- em_enable_intr(adapter);
+ em_enable_intr(adapter);
}
break;
+
case SIOCSIFMEDIA:
/* Check SOL/IDER usage */
- if (em_check_phy_reset_block(&adapter->hw)) {
- if_printf(ifp, "Media change is blocked due to "
- "SOL/IDER session.\n");
+ if (e1000_check_reset_block(&adapter->hw)) {
+ device_printf(adapter->dev, "Media change is"
+ " blocked due to SOL/IDER session.\n");
break;
}
- /* FALLTHROUGH */
+ /* FALL THROUGH */
+
case SIOCGIFMEDIA:
- IOCTL_DEBUGOUT("ioctl rcv'd: SIOCxIFMEDIA "
- "(Get/Set Interface Media)");
error = ifmedia_ioctl(ifp, ifr, &adapter->media, command);
break;
+
case SIOCSIFCAP:
- IOCTL_DEBUGOUT("ioctl rcv'd: SIOCSIFCAP (Set Capabilities)");
+ reinit = 0;
mask = ifr->ifr_reqcap ^ ifp->if_capenable;
if (mask & IFCAP_HWCSUM) {
- ifp->if_capenable ^= IFCAP_HWCSUM;
+ ifp->if_capenable ^= (mask & IFCAP_HWCSUM);
reinit = 1;
}
if (mask & IFCAP_VLAN_HWTAGGING) {
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
reinit = 1;
}
- if (reinit && (ifp->if_flags & IFF_RUNNING)) {
- ifp->if_flags &= ~IFF_RUNNING;
+ if (reinit && (ifp->if_flags & IFF_RUNNING))
em_init(adapter);
- }
break;
+
default:
error = ether_ioctl(ifp, command, data);
break;
}
-
return (error);
}
-/*********************************************************************
- * Watchdog entry point
- *
- * This routine is called whenever hardware quits transmitting.
- *
- **********************************************************************/
-
static void
em_watchdog(struct ifnet *ifp)
{
struct adapter *adapter = ifp->if_softc;
+ ASSERT_SERIALIZED(ifp->if_serializer);
+
+ /*
+ * The timer is set to 5 every time start queues a packet.
+ * Then txeof keeps resetting it as long as it cleans at
+ * least one descriptor.
+ * Finally, anytime all descriptors are clean the timer is
+ * set to 0.
+ */
+
/*
* If we are in this routine because of pause frames, then
* don't reset the hardware.
*/
- if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_TXOFF) {
+ if (E1000_READ_REG(&adapter->hw, E1000_STATUS) &
+ E1000_STATUS_TXOFF) {
ifp->if_timer = EM_TX_TIMEOUT;
return;
}
- if (em_check_for_link(&adapter->hw) == 0)
+ if (e1000_check_for_link(&adapter->hw) == 0)
if_printf(ifp, "watchdog timeout -- resetting\n");
- ifp->if_flags &= ~IFF_RUNNING;
+ ifp->if_oerrors++;
+ adapter->watchdog_events++;
+
em_init(adapter);
- adapter->watchdog_timeouts++;
+ if (!ifq_is_empty(&ifp->if_snd))
+ if_devstart(ifp);
}
-/*********************************************************************
- * Init entry point
- *
- * This routine is used in two ways. It is used by the stack as
- * init entry point in network interface structure. It is also used
- * by the driver as a hw/sw initialization routine to get to a
- * consistent state.
- *
- * return 0 on success, positive on failure
- **********************************************************************/
-
static void
-em_init(void *arg)
+em_init(void *xsc)
{
- struct adapter *adapter = arg;
+ struct adapter *adapter = xsc;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+ device_t dev = adapter->dev;
uint32_t pba;
- struct ifnet *ifp = &adapter->interface_data.ac_if;
ASSERT_SERIALIZED(ifp->if_serializer);
- INIT_DEBUGOUT("em_init: begin");
-
- if (ifp->if_flags & IFF_RUNNING)
- return;
-
em_stop(adapter);
/*
* Default allocation: PBA=30K for Rx, leaving 10K for Tx.
* Note: default does not leave enough room for Jumbo Frame >10k.
*/
- switch (adapter->hw.mac_type) {
- case em_82547:
- case em_82547_rev_2: /* 82547: Total Packet Buffer is 40K */
- if (adapter->hw.max_frame_size > EM_RXBUFFER_8192)
+ switch (adapter->hw.mac.type) {
+ case e1000_82547:
+ case e1000_82547_rev_2: /* 82547: Total Packet Buffer is 40K */
+ if (adapter->max_frame_size > 8192)
pba = E1000_PBA_22K; /* 22K for Rx, 18K for Tx */
else
pba = E1000_PBA_30K; /* 30K for Rx, 10K for Tx */
-
adapter->tx_fifo_head = 0;
adapter->tx_head_addr = pba << EM_TX_HEAD_ADDR_SHIFT;
adapter->tx_fifo_size =
- (E1000_PBA_40K - pba) << EM_PBA_BYTES_SHIFT;
+ (E1000_PBA_40K - pba) << EM_PBA_BYTES_SHIFT;
break;
+
/* Total Packet Buffer on these is 48K */
- case em_82571:
- case em_82572:
- case em_80003es2lan:
+ case e1000_82571:
+ case e1000_82572:
+ case e1000_80003es2lan:
pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
break;
- case em_82573: /* 82573: Total Packet Buffer is 32K */
+
+ case e1000_82573: /* 82573: Total Packet Buffer is 32K */
pba = E1000_PBA_12K; /* 12K for Rx, 20K for Tx */
break;
- case em_ich8lan:
- pba = E1000_PBA_8K;
+
+ case e1000_82574:
+ pba = E1000_PBA_20K; /* 20K for Rx, 20K for Tx */
break;
- case em_ich9lan:
-#define E1000_PBA_10K 0x000A
+
+ case e1000_ich9lan:
+ case e1000_ich10lan:
+#define E1000_PBA_10K 0x000A
pba = E1000_PBA_10K;
break;
+
+ case e1000_ich8lan:
+ pba = E1000_PBA_8K;
+ break;
+
default:
/* Devices before 82547 had a Packet Buffer of 64K. */
- if(adapter->hw.max_frame_size > EM_RXBUFFER_8192)
+ if (adapter->max_frame_size > 8192)
pba = E1000_PBA_40K; /* 40K for Rx, 24K for Tx */
else
pba = E1000_PBA_48K; /* 48K for Rx, 16K for Tx */
}
- INIT_DEBUGOUT1("em_init: pba=%dK",pba);
- E1000_WRITE_REG(&adapter->hw, PBA, pba);
-
+ E1000_WRITE_REG(&adapter->hw, E1000_PBA, pba);
+
/* Get the latest mac address, User can use a LAA */
- bcopy(adapter->interface_data.ac_enaddr, adapter->hw.mac_addr,
- ETHER_ADDR_LEN);
+ bcopy(IF_LLADDR(ifp), adapter->hw.mac.addr, ETHER_ADDR_LEN);
+
+ /* Put the address into the Receive Address Array */
+ e1000_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
+
+ /*
+ * With the 82571 adapter, RAR[0] may be overwritten
+ * when the other port is reset, we make a duplicate
+ * in RAR[14] for that eventuality, this assures
+ * the interface continues to function.
+ */
+ if (adapter->hw.mac.type == e1000_82571) {
+ e1000_set_laa_state_82571(&adapter->hw, TRUE);
+ e1000_rar_set(&adapter->hw, adapter->hw.mac.addr,
+ E1000_RAR_ENTRIES - 1);
+ }
/* Initialize the hardware */
- if (em_hardware_init(adapter)) {
- if_printf(ifp, "Unable to initialize the hardware\n");
+ if (em_hw_init(adapter)) {
+ device_printf(dev, "Unable to initialize the hardware\n");
+ /* XXX em_stop()? */
return;
}
em_update_link_status(adapter);
- if (ifp->if_capenable & IFCAP_VLAN_HWTAGGING)
- em_enable_vlans(adapter);
+ /* Setup VLAN support, basic and offload if available */
+ E1000_WRITE_REG(&adapter->hw, E1000_VET, ETHERTYPE_VLAN);
- /* Set hardware offload abilities */
- if (adapter->hw.mac_type >= em_82543) {
- if (ifp->if_capenable & IFCAP_TXCSUM)
- ifp->if_hwassist = EM_CHECKSUM_FEATURES;
- else
- ifp->if_hwassist = 0;
+ if (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) {
+ uint32_t ctrl;
+
+ ctrl = E1000_READ_REG(&adapter->hw, E1000_CTRL);
+ ctrl |= E1000_CTRL_VME;
+ E1000_WRITE_REG(&adapter->hw, E1000_CTRL, ctrl);
}
+ /* Set hardware offload abilities */
+ if (ifp->if_capenable & IFCAP_TXCSUM)
+ ifp->if_hwassist = EM_CSUM_FEATURES;
+ else
+ ifp->if_hwassist = 0;
+
+ /* Configure for OS presence */
+ em_get_mgmt(adapter);
+
/* Prepare transmit descriptors and buffers */
- if (em_setup_transmit_structures(adapter)) {
- if_printf(ifp, "Could not setup transmit structures\n");
- em_stop(adapter);
- return;
- }
- em_initialize_transmit_unit(adapter);
+ em_init_tx_ring(adapter);
+ em_init_tx_unit(adapter);
/* Setup Multicast table */
em_set_multi(adapter);
/* Prepare receive descriptors and buffers */
- if (em_setup_receive_structures(adapter)) {
- if_printf(ifp, "Could not setup receive structures\n");
+ if (em_init_rx_ring(adapter)) {
+ device_printf(dev, "Could not setup receive structures\n");
em_stop(adapter);
return;
}
- em_initialize_receive_unit(adapter);
+ em_init_rx_unit(adapter);
/* Don't lose promiscuous settings */
em_set_promisc(adapter);
ifp->if_flags |= IFF_RUNNING;
ifp->if_flags &= ~IFF_OACTIVE;
- callout_reset(&adapter->timer, hz, em_local_timer, adapter);
- em_clear_hw_cntrs(&adapter->hw);
+ callout_reset(&adapter->timer, hz, em_timer, adapter);
+ e1000_clear_hw_cntrs_base_generic(&adapter->hw);
+
+ /* MSI/X configuration for 82574 */
+ if (adapter->hw.mac.type == e1000_82574) {
+ int tmp;
+
+ tmp = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
+ tmp |= E1000_CTRL_EXT_PBA_CLR;
+ E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT, tmp);
+ /*
+ * Set the IVAR - interrupt vector routing.
+ * Each nibble represents a vector, high bit
+ * is enable, other 3 bits are the MSIX table
+ * entry, we map RXQ0 to 0, TXQ0 to 1, and
+ * Link (other) to 2, hence the magic number.
+ */
+ E1000_WRITE_REG(&adapter->hw, E1000_IVAR, 0x800A0908);
+ }
#ifdef DEVICE_POLLING
- /* Do not enable interrupt if polling(4) is enabled */
+ /*
+ * Only enable interrupts if we are not polling, make sure
+ * they are off otherwise.
+ */
if (ifp->if_flags & IFF_POLLING)
em_disable_intr(adapter);
else
-#endif
- em_enable_intr(adapter);
+#endif /* DEVICE_POLLING */
+ em_enable_intr(adapter);
/* Don't reset the phy next time init gets called */
- adapter->hw.phy_reset_disable = TRUE;
+ adapter->hw.phy.reset_disable = TRUE;
}
#ifdef DEVICE_POLLING
ASSERT_SERIALIZED(ifp->if_serializer);
- switch(cmd) {
+ switch (cmd) {
case POLL_REGISTER:
em_disable_intr(adapter);
break;
+
case POLL_DEREGISTER:
em_enable_intr(adapter);
break;
+
case POLL_AND_CHECK_STATUS:
- reg_icr = E1000_READ_REG(&adapter->hw, ICR);
+ reg_icr = E1000_READ_REG(&adapter->hw, E1000_ICR);
if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
callout_stop(&adapter->timer);
- adapter->hw.get_link_status = 1;
- em_check_for_link(&adapter->hw);
+ adapter->hw.mac.get_link_status = 1;
em_update_link_status(adapter);
- callout_reset(&adapter->timer, hz, em_local_timer,
- adapter);
+ callout_reset(&adapter->timer, hz, em_timer, adapter);
}
- /* fall through */
+ /* FALL THROUGH */
case POLL_ONLY:
if (ifp->if_flags & IFF_RUNNING) {
em_rxeof(adapter, count);
#endif /* DEVICE_POLLING */
-/*********************************************************************
- *
- * Interrupt Service routine
- *
- *********************************************************************/
static void
-em_intr(void *arg)
+em_intr(void *xsc)
{
+ struct adapter *adapter = xsc;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
uint32_t reg_icr;
- struct ifnet *ifp;
- struct adapter *adapter = arg;
-
- ifp = &adapter->interface_data.ac_if;
logif(intr_beg);
ASSERT_SERIALIZED(ifp->if_serializer);
- reg_icr = E1000_READ_REG(&adapter->hw, ICR);
- if ((adapter->hw.mac_type >= em_82571 &&
+ reg_icr = E1000_READ_REG(&adapter->hw, E1000_ICR);
+
+ if ((adapter->hw.mac.type >= e1000_82571 &&
(reg_icr & E1000_ICR_INT_ASSERTED) == 0) ||
reg_icr == 0) {
logif(intr_end);
}
/*
- * XXX: some laptops trigger several spurious interrupts on em(4)
- * when in the resume cycle. The ICR register reports all-ones
- * value in this case. Processing such interrupts would lead to
- * a freeze. I don't know why.
+ * XXX: some laptops trigger several spurious interrupts
+ * on em(4) when in the resume cycle. The ICR register
+ * reports all-ones value in this case. Processing such
+ * interrupts would lead to a freeze. I don't know why.
*/
if (reg_icr == 0xffffffff) {
logif(intr_end);
return;
}
- /*
- * note: do not attempt to improve efficiency by looping. This
- * only results in unnecessary piecemeal collection of received
- * packets and unnecessary piecemeal cleanups of the transmit ring.
- */
if (ifp->if_flags & IFF_RUNNING) {
em_rxeof(adapter, -1);
em_txeof(adapter);
/* Link status change */
if (reg_icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
callout_stop(&adapter->timer);
- adapter->hw.get_link_status = 1;
- em_check_for_link(&adapter->hw);
+ adapter->hw.mac.get_link_status = 1;
em_update_link_status(adapter);
- callout_reset(&adapter->timer, hz, em_local_timer, adapter);
+
+ /* Deal with TX cruft when link lost */
+ em_tx_purge(adapter);
+
+ callout_reset(&adapter->timer, hz, em_timer, adapter);
}
if (reg_icr & E1000_ICR_RXO)
logif(intr_end);
}
-/*********************************************************************
- *
- * Media Ioctl callback
- *
- * This routine is called whenever the user queries the status of
- * the interface using ifconfig.
- *
- **********************************************************************/
static void
em_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
{
struct adapter *adapter = ifp->if_softc;
u_char fiber_type = IFM_1000_SX;
- INIT_DEBUGOUT("em_media_status: begin");
-
ASSERT_SERIALIZED(ifp->if_serializer);
- em_check_for_link(&adapter->hw);
em_update_link_status(adapter);
ifmr->ifm_status = IFM_AVALID;
ifmr->ifm_status |= IFM_ACTIVE;
- if (adapter->hw.media_type == em_media_type_fiber ||
- adapter->hw.media_type == em_media_type_internal_serdes) {
- if (adapter->hw.mac_type == em_82545)
+ if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
+ adapter->hw.phy.media_type == e1000_media_type_internal_serdes) {
+ if (adapter->hw.mac.type == e1000_82545)
fiber_type = IFM_1000_LX;
ifmr->ifm_active |= fiber_type | IFM_FDX;
} else {
case 100:
ifmr->ifm_active |= IFM_100_TX;
break;
+
case 1000:
ifmr->ifm_active |= IFM_1000_T;
break;
}
}
-/*********************************************************************
- *
- * Media Ioctl callback
- *
- * This routine is called when the user changes speed/duplex using
- * media/mediopt option with ifconfig.
- *
- **********************************************************************/
static int
em_media_change(struct ifnet *ifp)
{
struct adapter *adapter = ifp->if_softc;
struct ifmedia *ifm = &adapter->media;
- INIT_DEBUGOUT("em_media_change: begin");
-
ASSERT_SERIALIZED(ifp->if_serializer);
if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
switch (IFM_SUBTYPE(ifm->ifm_media)) {
case IFM_AUTO:
- adapter->hw.autoneg = DO_AUTO_NEG;
- adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
+ adapter->hw.mac.autoneg = DO_AUTO_NEG;
+ adapter->hw.phy.autoneg_advertised = AUTONEG_ADV_DEFAULT;
break;
+
case IFM_1000_LX:
case IFM_1000_SX:
case IFM_1000_T:
- adapter->hw.autoneg = DO_AUTO_NEG;
- adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
+ adapter->hw.mac.autoneg = DO_AUTO_NEG;
+ adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
break;
+
case IFM_100_TX:
- adapter->hw.autoneg = FALSE;
- adapter->hw.autoneg_advertised = 0;
+ adapter->hw.mac.autoneg = FALSE;
+ adapter->hw.phy.autoneg_advertised = 0;
if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX)
- adapter->hw.forced_speed_duplex = em_100_full;
+ adapter->hw.mac.forced_speed_duplex = ADVERTISE_100_FULL;
else
- adapter->hw.forced_speed_duplex = em_100_half;
+ adapter->hw.mac.forced_speed_duplex = ADVERTISE_100_HALF;
break;
+
case IFM_10_T:
- adapter->hw.autoneg = FALSE;
- adapter->hw.autoneg_advertised = 0;
+ adapter->hw.mac.autoneg = FALSE;
+ adapter->hw.phy.autoneg_advertised = 0;
if ((ifm->ifm_media & IFM_GMASK) == IFM_FDX)
- adapter->hw.forced_speed_duplex = em_10_full;
+ adapter->hw.mac.forced_speed_duplex = ADVERTISE_10_FULL;
else
- adapter->hw.forced_speed_duplex = em_10_half;
+ adapter->hw.mac.forced_speed_duplex = ADVERTISE_10_HALF;
break;
+
default:
if_printf(ifp, "Unsupported media type\n");
+ break;
}
+
/*
- * As the speed/duplex settings may have changed we need to
+ * As the speed/duplex settings my have changed we need to
* reset the PHY.
*/
- adapter->hw.phy_reset_disable = FALSE;
+ adapter->hw.phy.reset_disable = FALSE;
- ifp->if_flags &= ~IFF_RUNNING;
em_init(adapter);
- return(0);
-}
-
-static void
-em_tx_cb(void *arg, bus_dma_segment_t *seg, int nsegs, bus_size_t mapsize,
- int error)
-{
- struct em_q *q = arg;
-
- if (error)
- return;
- KASSERT(nsegs <= EM_MAX_SCATTER,
- ("Too many DMA segments returned when mapping tx packet"));
- q->nsegs = nsegs;
- bcopy(seg, q->segs, nsegs * sizeof(seg[0]));
+ return (0);
}
-/*********************************************************************
- *
- * This routine maps the mbufs to tx descriptors.
- *
- * return 0 on success, positive on failure
- **********************************************************************/
static int
-em_encap(struct adapter *adapter, struct mbuf *m_head)
+em_encap(struct adapter *adapter, struct mbuf **m_headp)
{
- uint32_t txd_upper = 0, txd_lower = 0, txd_used = 0, txd_saved = 0;
- int i, j, error, last = 0;
-
- struct em_q q;
- struct em_buffer *tx_buffer = NULL, *tx_buffer_first;
+ bus_dma_segment_t segs[EM_MAX_SCATTER];
bus_dmamap_t map;
- struct em_tx_desc *current_tx_desc = NULL;
- struct ifnet *ifp = &adapter->interface_data.ac_if;
+ struct em_buffer *tx_buffer, *tx_buffer_mapped;
+ struct e1000_tx_desc *ctxd = NULL;
+ struct mbuf *m_head;
+ uint32_t txd_upper, txd_lower, txd_used;
+ int maxsegs, nsegs, i, j, first, last = 0, error;
- /*
- * Force a cleanup if number of TX descriptors
- * available hits the threshold
- */
- if (adapter->num_tx_desc_avail <= EM_TX_CLEANUP_THRESHOLD) {
- em_txeof(adapter);
- if (adapter->num_tx_desc_avail <= EM_TX_CLEANUP_THRESHOLD) {
- adapter->no_tx_desc_avail1++;
- return (ENOBUFS);
- }
- }
+ txd_upper = txd_lower = 0;
+ txd_used = 0;
/*
- * Capture the first descriptor index, this descriptor will have
- * the index of the EOP which is the only one that now gets a
- * DONE bit writeback.
+ * Capture the first descriptor index, this descriptor
+ * will have the index of the EOP which is the only one
+ * that now gets a DONE bit writeback.
*/
- tx_buffer_first = &adapter->tx_buffer_area[adapter->next_avail_tx_desc];
+ first = adapter->next_avail_tx_desc;
+ tx_buffer = &adapter->tx_buffer_area[first];
+ tx_buffer_mapped = tx_buffer;
+ map = tx_buffer->map;
- /*
- * Map the packet for DMA.
- */
- map = tx_buffer_first->map;
- error = bus_dmamap_load_mbuf(adapter->txtag, map, m_head, em_tx_cb,
- &q, BUS_DMA_NOWAIT);
- if (error != 0) {
- adapter->no_tx_dma_setup++;
- return (error);
+ maxsegs = adapter->num_tx_desc_avail - EM_TX_RESERVED;
+ KASSERT(maxsegs >= adapter->spare_tx_desc,
+ ("not enough spare TX desc\n"));
+ if (adapter->pcix_82544) {
+ /* Half it; see the comment in em_attach() */
+ maxsegs >>= 1;
}
- KASSERT(q.nsegs != 0, ("em_encap: empty packet"));
+ if (maxsegs > EM_MAX_SCATTER)
+ maxsegs = EM_MAX_SCATTER;
- if (q.nsegs > (adapter->num_tx_desc_avail - 2)) {
- adapter->no_tx_desc_avail2++;
- error = ENOBUFS;
- goto fail;
- }
+ error = bus_dmamap_load_mbuf_defrag(adapter->txtag, map, m_headp,
+ segs, maxsegs, &nsegs, BUS_DMA_NOWAIT);
+ if (error) {
+ if (error == ENOBUFS)
+ adapter->mbuf_alloc_failed++;
+ else
+ adapter->no_tx_dma_setup++;
- if (ifp->if_hwassist > 0) {
- em_transmit_checksum_setup(adapter, m_head,
- &txd_upper, &txd_lower);
+ m_freem(*m_headp);
+ *m_headp = NULL;
+ return error;
}
+ bus_dmamap_sync(adapter->txtag, map, BUS_DMASYNC_PREWRITE);
+ m_head = *m_headp;
+
+ if (m_head->m_pkthdr.csum_flags & CSUM_OFFLOAD) {
+ /* TX csum offloading will consume one TX desc */
+ em_txcsum(adapter, m_head, &txd_upper, &txd_lower);
+ }
i = adapter->next_avail_tx_desc;
- if (adapter->pcix_82544)
- txd_saved = i;
/* Set up our transmit descriptors */
- for (j = 0; j < q.nsegs; j++) {
+ for (j = 0; j < nsegs; j++) {
/* If adapter is 82544 and on PCIX bus */
if(adapter->pcix_82544) {
DESC_ARRAY desc_array;
uint32_t array_elements, counter;
- /*
+ /*
* Check the Address and Length combination and
* split the data accordingly
*/
- array_elements = em_fill_descriptors(q.segs[j].ds_addr,
- q.segs[j].ds_len, &desc_array);
+ array_elements = em_82544_fill_desc(segs[j].ds_addr,
+ segs[j].ds_len, &desc_array);
for (counter = 0; counter < array_elements; counter++) {
- if (txd_used == adapter->num_tx_desc_avail) {
- adapter->next_avail_tx_desc = txd_saved;
- adapter->no_tx_desc_avail2++;
- error = ENOBUFS;
- goto fail;
- }
+ KKASSERT(txd_used < adapter->num_tx_desc_avail);
+
tx_buffer = &adapter->tx_buffer_area[i];
- current_tx_desc = &adapter->tx_desc_base[i];
- current_tx_desc->buffer_addr = htole64(
- desc_array.descriptor[counter].address);
- current_tx_desc->lower.data = htole32(
- adapter->txd_cmd | txd_lower |
- (uint16_t)desc_array.descriptor[counter].length);
- current_tx_desc->upper.data = htole32(txd_upper);
+ ctxd = &adapter->tx_desc_base[i];
+
+ ctxd->buffer_addr = htole64(
+ desc_array.descriptor[counter].address);
+ ctxd->lower.data = htole32(
+ adapter->txd_cmd | txd_lower |
+ desc_array.descriptor[counter].length);
+ ctxd->upper.data = htole32(txd_upper);
last = i;
if (++i == adapter->num_tx_desc)
tx_buffer->m_head = NULL;
tx_buffer->next_eop = -1;
txd_used++;
- }
+ }
} else {
tx_buffer = &adapter->tx_buffer_area[i];
- current_tx_desc = &adapter->tx_desc_base[i];
+ ctxd = &adapter->tx_desc_base[i];
- current_tx_desc->buffer_addr = htole64(q.segs[j].ds_addr);
- current_tx_desc->lower.data = htole32(
- adapter->txd_cmd | txd_lower | q.segs[j].ds_len);
- current_tx_desc->upper.data = htole32(txd_upper);
+ ctxd->buffer_addr = htole64(segs[j].ds_addr);
+ ctxd->lower.data = htole32(adapter->txd_cmd |
+ txd_lower | segs[j].ds_len);
+ ctxd->upper.data = htole32(txd_upper);
last = i;
if (++i == adapter->num_tx_desc)
}
adapter->next_avail_tx_desc = i;
- if (adapter->pcix_82544)
+ if (adapter->pcix_82544) {
+ KKASSERT(adapter->num_tx_desc_avail > txd_used);
adapter->num_tx_desc_avail -= txd_used;
- else
- adapter->num_tx_desc_avail -= q.nsegs;
+ } else {
+ KKASSERT(adapter->num_tx_desc_avail > nsegs);
+ adapter->num_tx_desc_avail -= nsegs;
+ }
- /* Find out if we are in vlan mode */
+ /* Handle VLAN tag */
if (m_head->m_flags & M_VLANTAG) {
- /* Set the vlan id */
- current_tx_desc->upper.fields.special =
- htole16(m_head->m_pkthdr.ether_vlantag);
+ /* Set the vlan id. */
+ ctxd->upper.fields.special =
+ htole16(m_head->m_pkthdr.ether_vlantag);
/* Tell hardware to add tag */
- current_tx_desc->lower.data |= htole32(E1000_TXD_CMD_VLE);
+ ctxd->lower.data |= htole32(E1000_TXD_CMD_VLE);
}
tx_buffer->m_head = m_head;
- tx_buffer_first->map = tx_buffer->map;
+ tx_buffer_mapped->map = tx_buffer->map;
tx_buffer->map = map;
- bus_dmamap_sync(adapter->txtag, map, BUS_DMASYNC_PREWRITE);
/*
* Last Descriptor of Packet needs End Of Packet (EOP)
* and Report Status (RS)
*/
- current_tx_desc->lower.data |=
- htole32(E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS);
+ ctxd->lower.data |= htole32(E1000_TXD_CMD_EOP | E1000_TXD_CMD_RS);
/*
* Keep track in the first buffer which descriptor will be
- * written back.
+ * written back
*/
- tx_buffer_first->next_eop = last;
-
- bus_dmamap_sync(adapter->txdma.dma_tag, adapter->txdma.dma_map,
- BUS_DMASYNC_PREWRITE);
+ tx_buffer = &adapter->tx_buffer_area[first];
+ tx_buffer->next_eop = last;
- /*
- * Advance the Transmit Descriptor Tail (Tdt), this tells the E1000
+ /*
+ * Advance the Transmit Descriptor Tail (TDT), this tells the E1000
* that this frame is available to transmit.
*/
- if (adapter->hw.mac_type == em_82547 &&
+ if (adapter->hw.mac.type == e1000_82547 &&
adapter->link_duplex == HALF_DUPLEX) {
em_82547_move_tail_serialized(adapter);
} else {
- E1000_WRITE_REG(&adapter->hw, TDT, i);
- if (adapter->hw.mac_type == em_82547) {
+ E1000_WRITE_REG(&adapter->hw, E1000_TDT(0), i);
+ if (adapter->hw.mac.type == e1000_82547) {
em_82547_update_fifo_head(adapter,
- m_head->m_pkthdr.len);
+ m_head->m_pkthdr.len);
}
}
-
return (0);
-fail:
- bus_dmamap_unload(adapter->txtag, map);
- return error;
}
-/*********************************************************************
- *
+/*
* 82547 workaround to avoid controller hang in half-duplex environment.
* The workaround is to avoid queuing a large packet that would span
- * the internal Tx FIFO ring boundary. We need to reset the FIFO pointers
- * in this case. We do that only when FIFO is quiescent.
- *
- **********************************************************************/
-static void
-em_82547_move_tail(void *arg)
-{
- struct adapter *adapter = arg;
- struct ifnet *ifp = &adapter->interface_data.ac_if;
-
- lwkt_serialize_enter(ifp->if_serializer);
- em_82547_move_tail_serialized(adapter);
- lwkt_serialize_exit(ifp->if_serializer);
-}
-
+ * the internal Tx FIFO ring boundary. We need to reset the FIFO pointers
+ * in this case. We do that only when FIFO is quiescent.
+ */
static void
em_82547_move_tail_serialized(struct adapter *adapter)
{
- uint16_t hw_tdt;
- uint16_t sw_tdt;
- struct em_tx_desc *tx_desc;
- uint16_t length = 0;
- boolean_t eop = 0;
+ struct e1000_tx_desc *tx_desc;
+ uint16_t hw_tdt, sw_tdt, length = 0;
+ bool eop = 0;
- hw_tdt = E1000_READ_REG(&adapter->hw, TDT);
+ ASSERT_SERIALIZED(adapter->arpcom.ac_if.if_serializer);
+
+ hw_tdt = E1000_READ_REG(&adapter->hw, E1000_TDT(0));
sw_tdt = adapter->next_avail_tx_desc;
while (hw_tdt != sw_tdt) {
em_82547_move_tail, adapter);
break;
}
- E1000_WRITE_REG(&adapter->hw, TDT, hw_tdt);
+ E1000_WRITE_REG(&adapter->hw, E1000_TDT(0), hw_tdt);
em_82547_update_fifo_head(adapter, length);
length = 0;
}
- }
+ }
+}
+
+static void
+em_82547_move_tail(void *xsc)
+{
+ struct adapter *adapter = xsc;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+
+ lwkt_serialize_enter(ifp->if_serializer);
+ em_82547_move_tail_serialized(adapter);
+ lwkt_serialize_exit(ifp->if_serializer);
}
static int
return (1);
}
}
-
return (0);
}
{
uint32_t tctl;
- if (E1000_READ_REG(&adapter->hw, TDT) == E1000_READ_REG(&adapter->hw, TDH) &&
- E1000_READ_REG(&adapter->hw, TDFT) == E1000_READ_REG(&adapter->hw, TDFH) &&
- E1000_READ_REG(&adapter->hw, TDFTS) == E1000_READ_REG(&adapter->hw, TDFHS) &&
- E1000_READ_REG(&adapter->hw, TDFPC) == 0) {
+ if ((E1000_READ_REG(&adapter->hw, E1000_TDT(0)) ==
+ E1000_READ_REG(&adapter->hw, E1000_TDH(0))) &&
+ (E1000_READ_REG(&adapter->hw, E1000_TDFT) ==
+ E1000_READ_REG(&adapter->hw, E1000_TDFH)) &&
+ (E1000_READ_REG(&adapter->hw, E1000_TDFTS) ==
+ E1000_READ_REG(&adapter->hw, E1000_TDFHS)) &&
+ (E1000_READ_REG(&adapter->hw, E1000_TDFPC) == 0)) {
/* Disable TX unit */
- tctl = E1000_READ_REG(&adapter->hw, TCTL);
- E1000_WRITE_REG(&adapter->hw, TCTL, tctl & ~E1000_TCTL_EN);
+ tctl = E1000_READ_REG(&adapter->hw, E1000_TCTL);
+ E1000_WRITE_REG(&adapter->hw, E1000_TCTL,
+ tctl & ~E1000_TCTL_EN);
/* Reset FIFO pointers */
- E1000_WRITE_REG(&adapter->hw, TDFT, adapter->tx_head_addr);
- E1000_WRITE_REG(&adapter->hw, TDFH, adapter->tx_head_addr);
- E1000_WRITE_REG(&adapter->hw, TDFTS, adapter->tx_head_addr);
- E1000_WRITE_REG(&adapter->hw, TDFHS, adapter->tx_head_addr);
+ E1000_WRITE_REG(&adapter->hw, E1000_TDFT,
+ adapter->tx_head_addr);
+ E1000_WRITE_REG(&adapter->hw, E1000_TDFH,
+ adapter->tx_head_addr);
+ E1000_WRITE_REG(&adapter->hw, E1000_TDFTS,
+ adapter->tx_head_addr);
+ E1000_WRITE_REG(&adapter->hw, E1000_TDFHS,
+ adapter->tx_head_addr);
/* Re-enable TX unit */
- E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_TCTL, tctl);
E1000_WRITE_FLUSH(&adapter->hw);
adapter->tx_fifo_head = 0;
static void
em_set_promisc(struct adapter *adapter)
{
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
uint32_t reg_rctl;
- struct ifnet *ifp = &adapter->interface_data.ac_if;
- reg_rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
if (ifp->if_flags & IFF_PROMISC) {
reg_rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ /* Turn this on if you want to see bad packets */
+ if (em_debug_sbp)
+ reg_rctl |= E1000_RCTL_SBP;
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
} else if (ifp->if_flags & IFF_ALLMULTI) {
reg_rctl |= E1000_RCTL_MPE;
reg_rctl &= ~E1000_RCTL_UPE;
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
}
}
{
uint32_t reg_rctl;
- reg_rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
- reg_rctl &= (~E1000_RCTL_UPE);
- reg_rctl &= (~E1000_RCTL_MPE);
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ reg_rctl &= ~E1000_RCTL_UPE;
+ reg_rctl &= ~E1000_RCTL_MPE;
+ reg_rctl &= ~E1000_RCTL_SBP;
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
}
-/*********************************************************************
- * Multicast Update
- *
- * This routine is called whenever multicast address list is updated.
- *
- **********************************************************************/
-
static void
em_set_multi(struct adapter *adapter)
{
- uint32_t reg_rctl = 0;
- uint8_t mta[MAX_NUM_MULTICAST_ADDRESSES * ETH_LENGTH_OF_ADDRESS];
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
struct ifmultiaddr *ifma;
+ uint32_t reg_rctl = 0;
+ uint8_t mta[512]; /* Largest MTS is 4096 bits */
int mcnt = 0;
- struct ifnet *ifp = &adapter->interface_data.ac_if;
-
- IOCTL_DEBUGOUT("em_set_multi: begin");
- if (adapter->hw.mac_type == em_82542_rev2_0) {
- reg_rctl = E1000_READ_REG(&adapter->hw, RCTL);
- if (adapter->hw.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
- em_pci_clear_mwi(&adapter->hw);
+ if (adapter->hw.mac.type == e1000_82542 &&
+ adapter->hw.revision_id == E1000_REVISION_2) {
+ reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
+ if (adapter->hw.bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
+ e1000_pci_clear_mwi(&adapter->hw);
reg_rctl |= E1000_RCTL_RST;
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
msec_delay(5);
}
break;
bcopy(LLADDR((struct sockaddr_dl *)ifma->ifma_addr),
- &mta[mcnt*ETH_LENGTH_OF_ADDRESS], ETH_LENGTH_OF_ADDRESS);
+ &mta[mcnt * ETHER_ADDR_LEN], ETHER_ADDR_LEN);
mcnt++;
}
if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES) {
- reg_rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
reg_rctl |= E1000_RCTL_MPE;
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
} else {
- em_mc_addr_list_update(&adapter->hw, mta, mcnt, 0, 1);
+ e1000_update_mc_addr_list(&adapter->hw, mta,
+ mcnt, 1, adapter->hw.mac.rar_entry_count);
}
- if (adapter->hw.mac_type == em_82542_rev2_0) {
- reg_rctl = E1000_READ_REG(&adapter->hw, RCTL);
+ if (adapter->hw.mac.type == e1000_82542 &&
+ adapter->hw.revision_id == E1000_REVISION_2) {
+ reg_rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
reg_rctl &= ~E1000_RCTL_RST;
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, reg_rctl);
msec_delay(5);
- if (adapter->hw.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
- em_pci_set_mwi(&adapter->hw);
+ if (adapter->hw.bus.pci_cmd_word & CMD_MEM_WRT_INVALIDATE)
+ e1000_pci_set_mwi(&adapter->hw);
}
}
-/*********************************************************************
- * Timer routine
- *
- * This routine checks for link status and updates statistics.
- *
- **********************************************************************/
-
+/*
+ * This routine checks for link status and updates statistics.
+ */
static void
-em_local_timer(void *arg)
+em_timer(void *xsc)
{
- struct ifnet *ifp;
- struct adapter *adapter = arg;
- ifp = &adapter->interface_data.ac_if;
+ struct adapter *adapter = xsc;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
lwkt_serialize_enter(ifp->if_serializer);
- em_check_for_link(&adapter->hw);
em_update_link_status(adapter);
- em_update_stats_counters(adapter);
- if (em_display_debug_stats && ifp->if_flags & IFF_RUNNING)
+ em_update_stats(adapter);
+
+ /* Reset LAA into RAR[0] on 82571 */
+ if (e1000_get_laa_state_82571(&adapter->hw) == TRUE)
+ e1000_rar_set(&adapter->hw, adapter->hw.mac.addr, 0);
+
+ if (em_display_debug_stats && (ifp->if_flags & IFF_RUNNING))
em_print_hw_stats(adapter);
+
em_smartspeed(adapter);
- callout_reset(&adapter->timer, hz, em_local_timer, adapter);
+ callout_reset(&adapter->timer, hz, em_timer, adapter);
lwkt_serialize_exit(ifp->if_serializer);
}
static void
em_update_link_status(struct adapter *adapter)
{
- struct ifnet *ifp;
- ifp = &adapter->interface_data.ac_if;
-
- if (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU) {
- if (adapter->link_active == 0) {
- em_get_speed_and_duplex(&adapter->hw,
- &adapter->link_speed,
- &adapter->link_duplex);
- /* Check if we may set SPEED_MODE bit on PCI-E */
- if (adapter->link_speed == SPEED_1000 &&
- (adapter->hw.mac_type == em_82571 ||
- adapter->hw.mac_type == em_82572)) {
- int tarc0;
-
- tarc0 = E1000_READ_REG(&adapter->hw, TARC0);
- tarc0 |= SPEED_MODE_BIT;
- E1000_WRITE_REG(&adapter->hw, TARC0, tarc0);
- }
- if (bootverbose) {
- if_printf(&adapter->interface_data.ac_if,
- "Link is up %d Mbps %s\n",
- adapter->link_speed,
- adapter->link_duplex == FULL_DUPLEX ?
- "Full Duplex" : "Half Duplex");
- }
- adapter->link_active = 1;
- adapter->smartspeed = 0;
- ifp->if_baudrate = adapter->link_speed * 1000000;
- ifp->if_link_state = LINK_STATE_UP;
- if_link_state_change(ifp);
+ struct e1000_hw *hw = &adapter->hw;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+ device_t dev = adapter->dev;
+ uint32_t link_check = 0;
+
+ /* Get the cached link value or read phy for real */
+ switch (hw->phy.media_type) {
+ case e1000_media_type_copper:
+ if (hw->mac.get_link_status) {
+ /* Do the work to read phy */
+ e1000_check_for_link(hw);
+ link_check = !hw->mac.get_link_status;
+ if (link_check) /* ESB2 fix */
+ e1000_cfg_on_link_up(hw);
+ } else {
+ link_check = TRUE;
}
- } else {
- if (adapter->link_active == 1) {
- ifp->if_baudrate = 0;
- adapter->link_speed = 0;
- adapter->link_duplex = 0;
- if (bootverbose) {
- if_printf(&adapter->interface_data.ac_if,
- "Link is Down\n");
- }
- adapter->link_active = 0;
- ifp->if_link_state = LINK_STATE_DOWN;
- if_link_state_change(ifp);
+ break;
+
+ case e1000_media_type_fiber:
+ e1000_check_for_link(hw);
+ link_check =
+ E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU;
+ break;
+
+ case e1000_media_type_internal_serdes:
+ e1000_check_for_link(hw);
+ link_check = adapter->hw.mac.serdes_has_link;
+ break;
+
+ case e1000_media_type_unknown:
+ default:
+ break;
+ }
+
+ /* Now check for a transition */
+ if (link_check && adapter->link_active == 0) {
+ e1000_get_speed_and_duplex(hw, &adapter->link_speed,
+ &adapter->link_duplex);
+ /* Check if we must disable SPEED_MODE bit on PCI-E */
+ if (adapter->link_speed != SPEED_1000 &&
+ (hw->mac.type == e1000_82571 ||
+ hw->mac.type == e1000_82572)) {
+ int tarc0;
+
+ tarc0 = E1000_READ_REG(hw, E1000_TARC(0));
+ tarc0 &= ~SPEED_MODE_BIT;
+ E1000_WRITE_REG(hw, E1000_TARC(0), tarc0);
}
+ if (bootverbose) {
+ device_printf(dev, "Link is up %d Mbps %s\n",
+ adapter->link_speed,
+ ((adapter->link_duplex == FULL_DUPLEX) ?
+ "Full Duplex" : "Half Duplex"));
+ }
+ adapter->link_active = 1;
+ adapter->smartspeed = 0;
+ ifp->if_baudrate = adapter->link_speed * 1000000;
+ ifp->if_link_state = LINK_STATE_UP;
+ if_link_state_change(ifp);
+ } else if (!link_check && adapter->link_active == 1) {
+ ifp->if_baudrate = adapter->link_speed = 0;
+ adapter->link_duplex = 0;
+ if (bootverbose)
+ device_printf(dev, "Link is Down\n");
+ adapter->link_active = 0;
+#if 0
+ /* Link down, disable watchdog */
+ if->if_timer = 0;
+#endif
+ ifp->if_link_state = LINK_STATE_DOWN;
+ if_link_state_change(ifp);
}
}
-/*********************************************************************
- *
- * This routine disables all traffic on the adapter by issuing a
- * global reset on the MAC and deallocates TX/RX buffers.
- *
- **********************************************************************/
-
static void
-em_stop(void *arg)
+em_stop(struct adapter *adapter)
{
- struct ifnet *ifp;
- struct adapter * adapter = arg;
- ifp = &adapter->interface_data.ac_if;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+ int i;
ASSERT_SERIALIZED(ifp->if_serializer);
- INIT_DEBUGOUT("em_stop: begin");
em_disable_intr(adapter);
- em_reset_hw(&adapter->hw);
+
callout_stop(&adapter->timer);
callout_stop(&adapter->tx_fifo_timer);
- em_free_transmit_structures(adapter);
- em_free_receive_structures(adapter);
- /* Tell the stack that the interface is no longer active */
ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
ifp->if_timer = 0;
+
+ e1000_reset_hw(&adapter->hw);
+ if (adapter->hw.mac.type >= e1000_82544)
+ E1000_WRITE_REG(&adapter->hw, E1000_WUC, 0);
+
+ for (i = 0; i < adapter->num_tx_desc; i++) {
+ struct em_buffer *tx_buffer = &adapter->tx_buffer_area[i];
+
+ if (tx_buffer->m_head != NULL) {
+ bus_dmamap_unload(adapter->txtag, tx_buffer->map);
+ m_freem(tx_buffer->m_head);
+ tx_buffer->m_head = NULL;
+ }
+ tx_buffer->next_eop = -1;
+ }
+
+ for (i = 0; i < adapter->num_rx_desc; i++) {
+ struct em_buffer *rx_buffer = &adapter->rx_buffer_area[i];
+
+ if (rx_buffer->m_head != NULL) {
+ bus_dmamap_unload(adapter->rxtag, rx_buffer->map);
+ m_freem(rx_buffer->m_head);
+ rx_buffer->m_head = NULL;
+ }
+ }
}
-/*********************************************************************
- *
- * Determine hardware revision.
- *
- **********************************************************************/
-static void
-em_identify_hardware(struct adapter *adapter)
+static int
+em_get_hw_info(struct adapter *adapter)
{
device_t dev = adapter->dev;
- /* Make sure our PCI config space has the necessary stuff set */
- adapter->hw.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2);
- if (!((adapter->hw.pci_cmd_word & PCIM_CMD_BUSMASTEREN) &&
- (adapter->hw.pci_cmd_word & PCIM_CMD_MEMEN))) {
- device_printf(dev, "Memory Access and/or Bus Master bits "
- "were not set!\n");
- adapter->hw.pci_cmd_word |= PCIM_CMD_BUSMASTEREN |
- PCIM_CMD_MEMEN;
- pci_write_config(dev, PCIR_COMMAND,
- adapter->hw.pci_cmd_word, 2);
- }
-
/* Save off the information about this board */
adapter->hw.vendor_id = pci_get_vendor(dev);
adapter->hw.device_id = pci_get_device(dev);
adapter->hw.revision_id = pci_get_revid(dev);
adapter->hw.subsystem_vendor_id = pci_get_subvendor(dev);
- adapter->hw.subsystem_id = pci_get_subdevice(dev);
+ adapter->hw.subsystem_device_id = pci_get_subdevice(dev);
- /* Identify the MAC */
- if (em_set_mac_type(&adapter->hw))
- device_printf(dev, "Unknown MAC Type\n");
-
- if (adapter->hw.mac_type == em_82541 ||
- adapter->hw.mac_type == em_82541_rev_2 ||
- adapter->hw.mac_type == em_82547 ||
- adapter->hw.mac_type == em_82547_rev_2)
- adapter->hw.phy_init_script = TRUE;
+ /* Do Shared Code Init and Setup */
+ if (e1000_set_mac_type(&adapter->hw))
+ return ENXIO;
+ return 0;
}
static int
-em_allocate_pci_resources(device_t dev)
+em_alloc_pci_res(struct adapter *adapter)
{
- struct adapter *adapter = device_get_softc(dev);
- int rid;
+ device_t dev = adapter->dev;
+ int val, rid, error = E1000_SUCCESS;
+
+ /* Enable bus mastering */
+ pci_enable_busmaster(dev);
- rid = PCIR_BAR(0);
- adapter->res_memory = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
- &rid, RF_ACTIVE);
- if (adapter->res_memory == NULL) {
+ adapter->memory_rid = EM_BAR_MEM;
+ adapter->memory = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
+ &adapter->memory_rid, RF_ACTIVE);
+ if (adapter->memory == NULL) {
device_printf(dev, "Unable to allocate bus resource: memory\n");
- return ENXIO;
+ return (ENXIO);
}
adapter->osdep.mem_bus_space_tag =
- rman_get_bustag(adapter->res_memory);
+ rman_get_bustag(adapter->memory);
adapter->osdep.mem_bus_space_handle =
- rman_get_bushandle(adapter->res_memory);
+ rman_get_bushandle(adapter->memory);
+
+ /* XXX This is quite goofy, it is not actually used */
adapter->hw.hw_addr = (uint8_t *)&adapter->osdep.mem_bus_space_handle;
- if (adapter->hw.mac_type > em_82543) {
+ /* Only older adapters use IO mapping */
+ if (adapter->hw.mac.type > e1000_82543 &&
+ adapter->hw.mac.type < e1000_82571) {
/* Figure our where our IO BAR is ? */
- for (rid = PCIR_BAR(0); rid < PCIR_CIS;) {
- uint32_t val;
-
+ for (rid = PCIR_BAR(0); rid < PCIR_CARDBUSCIS;) {
val = pci_read_config(dev, rid, 4);
if (EM_BAR_TYPE(val) == EM_BAR_TYPE_IO) {
adapter->io_rid = rid;
if (EM_BAR_MEM_TYPE(val) == EM_BAR_MEM_TYPE_64BIT)
rid += 4;
}
- if (rid >= PCIR_CIS) {
+ if (rid >= PCIR_CARDBUSCIS) {
device_printf(dev, "Unable to locate IO BAR\n");
return (ENXIO);
- }
-
- adapter->res_ioport = bus_alloc_resource_any(dev,
- SYS_RES_IOPORT, &adapter->io_rid, RF_ACTIVE);
- if (!(adapter->res_ioport)) {
+ }
+ adapter->ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
+ &adapter->io_rid, RF_ACTIVE);
+ if (adapter->ioport == NULL) {
device_printf(dev, "Unable to allocate bus resource: "
- "ioport\n");
- return ENXIO;
+ "ioport\n");
+ return (ENXIO);
}
adapter->hw.io_base = 0;
adapter->osdep.io_bus_space_tag =
- rman_get_bustag(adapter->res_ioport);
+ rman_get_bustag(adapter->ioport);
adapter->osdep.io_bus_space_handle =
- rman_get_bushandle(adapter->res_ioport);
+ rman_get_bushandle(adapter->ioport);
}
- /* For ICH8 we need to find the flash memory. */
- if ((adapter->hw.mac_type == em_ich8lan) ||
- (adapter->hw.mac_type == em_ich9lan)) {
- rid = EM_FLASH;
- adapter->flash_mem = bus_alloc_resource_any(dev,
- SYS_RES_MEMORY, &rid, RF_ACTIVE);
- if (adapter->flash_mem == NULL) {
- device_printf(dev, "Unable to allocate bus resource: "
- "flash memory\n");
- return ENXIO;
- }
- adapter->osdep.flash_bus_space_tag =
- rman_get_bustag(adapter->flash_mem);
- adapter->osdep.flash_bus_space_handle =
- rman_get_bushandle(adapter->flash_mem);
- }
-
- rid = 0x0;
- adapter->res_interrupt = bus_alloc_resource_any(dev, SYS_RES_IRQ,
- &rid, RF_SHAREABLE | RF_ACTIVE);
- if (adapter->res_interrupt == NULL) {
+ adapter->intr_rid = 0;
+ adapter->intr_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
+ &adapter->intr_rid,
+ RF_SHAREABLE | RF_ACTIVE);
+ if (adapter->intr_res == NULL) {
device_printf(dev, "Unable to allocate bus resource: "
- "interrupt\n");
- return ENXIO;
+ "interrupt\n");
+ return (ENXIO);
}
+ adapter->hw.bus.pci_cmd_word = pci_read_config(dev, PCIR_COMMAND, 2);
adapter->hw.back = &adapter->osdep;
-
- return 0;
+ return (error);
}
static void
-em_free_pci_resources(device_t dev)
+em_free_pci_res(struct adapter *adapter)
{
- struct adapter *adapter = device_get_softc(dev);
+ device_t dev = adapter->dev;
- if (adapter->res_interrupt != NULL) {
- bus_release_resource(dev, SYS_RES_IRQ, 0,
- adapter->res_interrupt);
+ if (adapter->intr_res != NULL) {
+ bus_release_resource(dev, SYS_RES_IRQ,
+ adapter->intr_rid, adapter->intr_res);
}
- if (adapter->res_memory != NULL) {
- bus_release_resource(dev, SYS_RES_MEMORY, PCIR_BAR(0),
- adapter->res_memory);
+
+ if (adapter->memory != NULL) {
+ bus_release_resource(dev, SYS_RES_MEMORY,
+ adapter->memory_rid, adapter->memory);
}
- if (adapter->res_ioport != NULL) {
- bus_release_resource(dev, SYS_RES_IOPORT, adapter->io_rid,
- adapter->res_ioport);
+ if (adapter->flash != NULL) {
+ bus_release_resource(dev, SYS_RES_MEMORY,
+ adapter->flash_rid, adapter->flash);
}
- if (adapter->flash_mem != NULL) {
- bus_release_resource(dev, SYS_RES_MEMORY, EM_FLASH,
- adapter->flash_mem);
+ if (adapter->ioport != NULL) {
+ bus_release_resource(dev, SYS_RES_IOPORT,
+ adapter->io_rid, adapter->ioport);
}
}
-/*********************************************************************
- *
- * Initialize the hardware to a configuration as specified by the
- * adapter structure. The controller is reset, the EEPROM is
- * verified, the MAC address is set, then the shared initialization
- * routines are called.
- *
- **********************************************************************/
static int
-em_hardware_init(struct adapter *adapter)
+em_hw_init(struct adapter *adapter)
{
- uint16_t rx_buffer_size;
+ device_t dev = adapter->dev;
+ uint16_t rx_buffer_size;
- INIT_DEBUGOUT("em_hardware_init: begin");
/* Issue a global reset */
- em_reset_hw(&adapter->hw);
+ e1000_reset_hw(&adapter->hw);
+
+ /* Get control from any management/hw control */
+ if ((adapter->hw.mac.type == e1000_82573 ||
+ adapter->hw.mac.type == e1000_ich8lan ||
+ adapter->hw.mac.type == e1000_ich10lan ||
+ adapter->hw.mac.type == e1000_ich9lan) &&
+ e1000_check_mng_mode(&adapter->hw))
+ em_get_hw_control(adapter);
/* When hardware is reset, fifo_head is also reset */
adapter->tx_fifo_head = 0;
- /* Make sure we have a good EEPROM before we read from it */
- if (em_validate_eeprom_checksum(&adapter->hw) < 0) {
- if (em_validate_eeprom_checksum(&adapter->hw) < 0) {
- device_printf(adapter->dev,
- "The EEPROM Checksum Is Not Valid\n");
- return (EIO);
- }
- }
-
- if (em_read_part_num(&adapter->hw, &(adapter->part_num)) < 0) {
- device_printf(adapter->dev,
- "EEPROM read error while reading part number\n");
- return (EIO);
- }
-
/* Set up smart power down as default off on newer adapters. */
if (!em_smart_pwr_down &&
- (adapter->hw.mac_type == em_82571 ||
- adapter->hw.mac_type == em_82572)) {
+ (adapter->hw.mac.type == e1000_82571 ||
+ adapter->hw.mac.type == e1000_82572)) {
uint16_t phy_tmp = 0;
/* Speed up time to link by disabling smart power down. */
- em_read_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
- &phy_tmp);
+ e1000_read_phy_reg(&adapter->hw,
+ IGP02E1000_PHY_POWER_MGMT, &phy_tmp);
phy_tmp &= ~IGP02E1000_PM_SPD;
- em_write_phy_reg(&adapter->hw, IGP02E1000_PHY_POWER_MGMT,
- phy_tmp);
+ e1000_write_phy_reg(&adapter->hw,
+ IGP02E1000_PHY_POWER_MGMT, phy_tmp);
}
/*
* received after sending an XOFF.
* - Low water mark works best when it is very near the high water mark.
* This allows the receiver to restart by sending XON when it has
- * drained a bit. Here we use an arbitary value of 1500 which will
- * restart after one full frame is pulled from the buffer. There
+ * drained a bit. Here we use an arbitary value of 1500 which will
+ * restart after one full frame is pulled from the buffer. There
* could be several smaller frames in the buffer and if so they will
* not trigger the XON until their total number reduces the buffer
* by 1500.
* - The pause time is fairly large at 1000 x 512ns = 512 usec.
*/
- rx_buffer_size = ((E1000_READ_REG(&adapter->hw, PBA) & 0xffff) << 10);
+ rx_buffer_size =
+ (E1000_READ_REG(&adapter->hw, E1000_PBA) & 0xffff) << 10;
- adapter->hw.fc_high_water =
- rx_buffer_size - roundup2(adapter->hw.max_frame_size, 1024);
- adapter->hw.fc_low_water = adapter->hw.fc_high_water - 1500;
- if (adapter->hw.mac_type == em_80003es2lan)
- adapter->hw.fc_pause_time = 0xFFFF;
+ adapter->hw.fc.high_water = rx_buffer_size -
+ roundup2(adapter->max_frame_size, 1024);
+ adapter->hw.fc.low_water = adapter->hw.fc.high_water - 1500;
+
+ if (adapter->hw.mac.type == e1000_80003es2lan)
+ adapter->hw.fc.pause_time = 0xFFFF;
else
- adapter->hw.fc_pause_time = 1000;
- adapter->hw.fc_send_xon = TRUE;
- adapter->hw.fc = E1000_FC_FULL;
+ adapter->hw.fc.pause_time = EM_FC_PAUSE_TIME;
+ adapter->hw.fc.send_xon = TRUE;
+ adapter->hw.fc.requested_mode = e1000_fc_full;
- if (em_init_hw(&adapter->hw) < 0) {
- device_printf(adapter->dev, "Hardware Initialization Failed");
+ if (e1000_init_hw(&adapter->hw) < 0) {
+ device_printf(dev, "Hardware Initialization Failed\n");
return (EIO);
}
- em_check_for_link(&adapter->hw);
+ e1000_check_for_link(&adapter->hw);
return (0);
}
-/*********************************************************************
- *
- * Setup networking device structure and register an interface.
- *
- **********************************************************************/
static void
-em_setup_interface(device_t dev, struct adapter *adapter)
+em_setup_ifp(struct adapter *adapter)
{
- struct ifnet *ifp;
- u_char fiber_type = IFM_1000_SX; /* default type */
- INIT_DEBUGOUT("em_setup_interface: begin");
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
- ifp = &adapter->interface_data.ac_if;
- if_initname(ifp, device_get_name(dev), device_get_unit(dev));
- ifp->if_mtu = ETHERMTU;
- ifp->if_baudrate = 1000000000;
- ifp->if_init = em_init;
+ if_initname(ifp, device_get_name(adapter->dev),
+ device_get_unit(adapter->dev));
ifp->if_softc = adapter;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+ ifp->if_init = em_init;
ifp->if_ioctl = em_ioctl;
ifp->if_start = em_start;
#ifdef DEVICE_POLLING
ifq_set_maxlen(&ifp->if_snd, adapter->num_tx_desc - 1);
ifq_set_ready(&ifp->if_snd);
- if (adapter->hw.mac_type >= em_82543)
- ifp->if_capabilities |= IFCAP_HWCSUM;
+ ether_ifattach(ifp, adapter->hw.mac.addr, NULL);
- ifp->if_capenable = ifp->if_capabilities;
+ if (adapter->hw.mac.type >= e1000_82543)
+ ifp->if_capabilities = IFCAP_HWCSUM;
- ether_ifattach(ifp, adapter->hw.mac_addr, NULL);
+ ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU;
+ ifp->if_capenable = ifp->if_capabilities;
-#ifdef PROFILE_SERIALIZER
- SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree), OID_AUTO,
- "serializer_sleep", CTLFLAG_RW,
- &ifp->if_serializer->sleep_cnt, 0, NULL);
- SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree), OID_AUTO,
- "serializer_tryfail", CTLFLAG_RW,
- &ifp->if_serializer->tryfail_cnt, 0, NULL);
- SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree), OID_AUTO,
- "serializer_enter", CTLFLAG_RW,
- &ifp->if_serializer->enter_cnt, 0, NULL);
- SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree), OID_AUTO,
- "serializer_try", CTLFLAG_RW,
- &ifp->if_serializer->try_cnt, 0, NULL);
-#endif
+ if (ifp->if_capenable & IFCAP_TXCSUM)
+ ifp->if_hwassist = EM_CSUM_FEATURES;
/*
* Tell the upper layer(s) we support long frames.
*/
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
- ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU;
- ifp->if_capenable |= IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU;
/*
* Specify the media types supported by this adapter and register
* callbacks to update media and link information
*/
- ifmedia_init(&adapter->media, IFM_IMASK, em_media_change,
- em_media_status);
- if (adapter->hw.media_type == em_media_type_fiber ||
- adapter->hw.media_type == em_media_type_internal_serdes) {
- if (adapter->hw.mac_type == em_82545)
+ ifmedia_init(&adapter->media, IFM_IMASK,
+ em_media_change, em_media_status);
+ if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
+ adapter->hw.phy.media_type == e1000_media_type_internal_serdes) {
+ u_char fiber_type = IFM_1000_SX; /* default type */
+
+ if (adapter->hw.mac.type == e1000_82545)
fiber_type = IFM_1000_LX;
ifmedia_add(&adapter->media, IFM_ETHER | fiber_type | IFM_FDX,
0, NULL);
0, NULL);
ifmedia_add(&adapter->media, IFM_ETHER | IFM_100_TX | IFM_FDX,
0, NULL);
- ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T | IFM_FDX,
- 0, NULL);
- ifmedia_add(&adapter->media, IFM_ETHER | IFM_1000_T, 0, NULL);
+ if (adapter->hw.phy.type != e1000_phy_ife) {
+ ifmedia_add(&adapter->media,
+ IFM_ETHER | IFM_1000_T | IFM_FDX, 0, NULL);
+ ifmedia_add(&adapter->media,
+ IFM_ETHER | IFM_1000_T, 0, NULL);
+ }
}
ifmedia_add(&adapter->media, IFM_ETHER | IFM_AUTO, 0, NULL);
ifmedia_set(&adapter->media, IFM_ETHER | IFM_AUTO);
}
-/*********************************************************************
- *
- * Workaround for SmartSpeed on 82541 and 82547 controllers
- *
- **********************************************************************/
+
+/*
+ * Workaround for SmartSpeed on 82541 and 82547 controllers
+ */
static void
em_smartspeed(struct adapter *adapter)
{
uint16_t phy_tmp;
- if (adapter->link_active || (adapter->hw.phy_type != em_phy_igp) ||
- !adapter->hw.autoneg ||
- !(adapter->hw.autoneg_advertised & ADVERTISE_1000_FULL))
+ if (adapter->link_active || adapter->hw.phy.type != e1000_phy_igp ||
+ adapter->hw.mac.autoneg == 0 ||
+ (adapter->hw.phy.autoneg_advertised & ADVERTISE_1000_FULL) == 0)
return;
if (adapter->smartspeed == 0) {
/*
* If Master/Slave config fault is asserted twice,
- * we assume back-to-back.
+ * we assume back-to-back
*/
- em_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
+ e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
if (!(phy_tmp & SR_1000T_MS_CONFIG_FAULT))
return;
- em_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
+ e1000_read_phy_reg(&adapter->hw, PHY_1000T_STATUS, &phy_tmp);
if (phy_tmp & SR_1000T_MS_CONFIG_FAULT) {
- em_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_tmp);
+ e1000_read_phy_reg(&adapter->hw,
+ PHY_1000T_CTRL, &phy_tmp);
if (phy_tmp & CR_1000T_MS_ENABLE) {
phy_tmp &= ~CR_1000T_MS_ENABLE;
- em_write_phy_reg(&adapter->hw,
- PHY_1000T_CTRL, phy_tmp);
+ e1000_write_phy_reg(&adapter->hw,
+ PHY_1000T_CTRL, phy_tmp);
adapter->smartspeed++;
- if (adapter->hw.autoneg &&
- !em_phy_setup_autoneg(&adapter->hw) &&
- !em_read_phy_reg(&adapter->hw, PHY_CTRL,
- &phy_tmp)) {
- phy_tmp |= (MII_CR_AUTO_NEG_EN |
- MII_CR_RESTART_AUTO_NEG);
- em_write_phy_reg(&adapter->hw,
- PHY_CTRL, phy_tmp);
+ if (adapter->hw.mac.autoneg &&
+ !e1000_phy_setup_autoneg(&adapter->hw) &&
+ !e1000_read_phy_reg(&adapter->hw,
+ PHY_CONTROL, &phy_tmp)) {
+ phy_tmp |= MII_CR_AUTO_NEG_EN |
+ MII_CR_RESTART_AUTO_NEG;
+ e1000_write_phy_reg(&adapter->hw,
+ PHY_CONTROL, phy_tmp);
}
}
}
return;
} else if (adapter->smartspeed == EM_SMARTSPEED_DOWNSHIFT) {
/* If still no link, perhaps using 2/3 pair cable */
- em_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_tmp);
+ e1000_read_phy_reg(&adapter->hw, PHY_1000T_CTRL, &phy_tmp);
phy_tmp |= CR_1000T_MS_ENABLE;
- em_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_tmp);
- if (adapter->hw.autoneg &&
- !em_phy_setup_autoneg(&adapter->hw) &&
- !em_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_tmp)) {
- phy_tmp |= (MII_CR_AUTO_NEG_EN |
- MII_CR_RESTART_AUTO_NEG);
- em_write_phy_reg(&adapter->hw, PHY_CTRL, phy_tmp);
+ e1000_write_phy_reg(&adapter->hw, PHY_1000T_CTRL, phy_tmp);
+ if (adapter->hw.mac.autoneg &&
+ !e1000_phy_setup_autoneg(&adapter->hw) &&
+ !e1000_read_phy_reg(&adapter->hw, PHY_CONTROL, &phy_tmp)) {
+ phy_tmp |= MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG;
+ e1000_write_phy_reg(&adapter->hw, PHY_CONTROL, phy_tmp);
}
}
+
/* Restart process after EM_SMARTSPEED_MAX iterations */
if (adapter->smartspeed++ == EM_SMARTSPEED_MAX)
adapter->smartspeed = 0;
}
-/*
- * Manage DMA'able memory.
- */
-static void
-em_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error)
-{
- if (error)
- return;
- *(bus_addr_t *)arg = segs->ds_addr;
-}
-
static int
em_dma_malloc(struct adapter *adapter, bus_size_t size,
struct em_dma_alloc *dma)
{
- device_t dev = adapter->dev;
- int error;
-
- error = bus_dma_tag_create(NULL, /* parent */
- EM_DBA_ALIGN, 0, /* alignment, bounds */
- BUS_SPACE_MAXADDR, /* lowaddr */
- BUS_SPACE_MAXADDR, /* highaddr */
- NULL, NULL, /* filter, filterarg */
- size, /* maxsize */
- 1, /* nsegments */
- size, /* maxsegsize */
- 0, /* flags */
- &dma->dma_tag);
- if (error) {
- device_printf(dev, "%s: bus_dma_tag_create failed; error %d\n",
- __func__, error);
- return error;
- }
-
- error = bus_dmamem_alloc(dma->dma_tag, (void**)&dma->dma_vaddr,
- BUS_DMA_WAITOK, &dma->dma_map);
- if (error) {
- device_printf(dev, "%s: bus_dmammem_alloc failed; "
- "size %llu, error %d\n",
- __func__, (uintmax_t)size, error);
- goto fail;
- }
-
- error = bus_dmamap_load(dma->dma_tag, dma->dma_map,
- dma->dma_vaddr, size,
- em_dmamap_cb, &dma->dma_paddr,
- BUS_DMA_WAITOK);
- if (error) {
- device_printf(dev, "%s: bus_dmamap_load failed; error %u\n",
- __func__, error);
- bus_dmamem_free(dma->dma_tag, dma->dma_vaddr, dma->dma_map);
- goto fail;
- }
-
- return 0;
-fail:
- bus_dma_tag_destroy(dma->dma_tag);
- dma->dma_tag = NULL;
- return error;
+ dma->dma_vaddr = bus_dmamem_coherent_any(adapter->parent_dtag,
+ EM_DBA_ALIGN, size, BUS_DMA_WAITOK,
+ &dma->dma_tag, &dma->dma_map,
+ &dma->dma_paddr);
+ if (dma->dma_vaddr == NULL)
+ return ENOMEM;
+ else
+ return 0;
}
static void
em_dma_free(struct adapter *adapter, struct em_dma_alloc *dma)
{
- if (dma->dma_tag != NULL) {
- bus_dmamap_unload(dma->dma_tag, dma->dma_map);
- bus_dmamem_free(dma->dma_tag, dma->dma_vaddr, dma->dma_map);
- bus_dma_tag_destroy(dma->dma_tag);
- dma->dma_tag = NULL;
- }
+ if (dma->dma_tag == NULL)
+ return;
+ bus_dmamap_unload(dma->dma_tag, dma->dma_map);
+ bus_dmamem_free(dma->dma_tag, dma->dma_vaddr, dma->dma_map);
+ bus_dma_tag_destroy(dma->dma_tag);
}
-/*********************************************************************
- *
- * Allocate and initialize transmit structures.
- *
- **********************************************************************/
static int
-em_setup_transmit_structures(struct adapter *adapter)
+em_create_tx_ring(struct adapter *adapter)
{
+ device_t dev = adapter->dev;
struct em_buffer *tx_buffer;
- bus_size_t size;
int error, i;
- /*
- * Setup DMA descriptor areas.
- */
- size = roundup2(adapter->hw.max_frame_size, MCLBYTES);
- if (bus_dma_tag_create(NULL, /* parent */
- 1, 0, /* alignment, bounds */
- BUS_SPACE_MAXADDR, /* lowaddr */
- BUS_SPACE_MAXADDR, /* highaddr */
- NULL, NULL, /* filter, filterarg */
- size, /* maxsize */
- EM_MAX_SCATTER, /* nsegments */
- size, /* maxsegsize */
- 0, /* flags */
- &adapter->txtag)) {
- device_printf(adapter->dev, "Unable to allocate TX DMA tag\n");
- return(ENOMEM);
- }
-
adapter->tx_buffer_area =
kmalloc(sizeof(struct em_buffer) * adapter->num_tx_desc,
M_DEVBUF, M_WAITOK | M_ZERO);
- bzero(adapter->tx_desc_base,
- sizeof(struct em_tx_desc) * adapter->num_tx_desc);
- tx_buffer = adapter->tx_buffer_area;
+ /*
+ * Create DMA tags for tx buffers
+ */
+ error = bus_dma_tag_create(adapter->parent_dtag, /* parent */
+ 1, 0, /* alignment, bounds */
+ BUS_SPACE_MAXADDR, /* lowaddr */
+ BUS_SPACE_MAXADDR, /* highaddr */
+ NULL, NULL, /* filter, filterarg */
+ EM_TSO_SIZE, /* maxsize */
+ EM_MAX_SCATTER, /* nsegments */
+ EM_MAX_SEGSIZE, /* maxsegsize */
+ BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW |
+ BUS_DMA_ONEBPAGE, /* flags */
+ &adapter->txtag);
+ if (error) {
+ device_printf(dev, "Unable to allocate TX DMA tag\n");
+ kfree(adapter->tx_buffer_area, M_DEVBUF);
+ adapter->tx_buffer_area = NULL;
+ return error;
+ }
+
+ /*
+ * Create DMA maps for tx buffers
+ */
for (i = 0; i < adapter->num_tx_desc; i++) {
- error = bus_dmamap_create(adapter->txtag, 0, &tx_buffer->map);
+ tx_buffer = &adapter->tx_buffer_area[i];
+
+ error = bus_dmamap_create(adapter->txtag,
+ BUS_DMA_WAITOK | BUS_DMA_ONEBPAGE,
+ &tx_buffer->map);
if (error) {
- device_printf(adapter->dev,
- "Unable to create TX DMA map\n");
- goto fail;
+ device_printf(dev, "Unable to create TX DMA map\n");
+ em_destroy_tx_ring(adapter, i);
+ return error;
}
- tx_buffer++;
+ tx_buffer->next_eop = -1;
}
+ return (0);
+}
+static void
+em_init_tx_ring(struct adapter *adapter)
+{
+ /* Clear the old ring contents */
+ bzero(adapter->tx_desc_base,
+ (sizeof(struct e1000_tx_desc)) * adapter->num_tx_desc);
+
+ /* Reset state */
adapter->next_avail_tx_desc = 0;
adapter->next_tx_to_clean = 0;
-
- /* Set number of descriptors available */
adapter->num_tx_desc_avail = adapter->num_tx_desc;
-
- /* Set checksum context */
- adapter->active_checksum_context = OFFLOAD_NONE;
-
- bus_dmamap_sync(adapter->txdma.dma_tag, adapter->txdma.dma_map,
- BUS_DMASYNC_PREWRITE);
-
- return (0);
-fail:
- em_free_transmit_structures(adapter);
- return (error);
}
-/*********************************************************************
- *
- * Enable transmit unit.
- *
- **********************************************************************/
static void
-em_initialize_transmit_unit(struct adapter *adapter)
+em_init_tx_unit(struct adapter *adapter)
{
- uint32_t reg_tctl;
- uint32_t reg_tipg = 0;
+ uint32_t tctl, tarc, tipg = 0;
uint64_t bus_addr;
- INIT_DEBUGOUT("em_initialize_transmit_unit: begin");
-
/* Setup the Base and Length of the Tx Descriptor Ring */
bus_addr = adapter->txdma.dma_paddr;
- E1000_WRITE_REG(&adapter->hw, TDLEN,
- adapter->num_tx_desc * sizeof(struct em_tx_desc));
- E1000_WRITE_REG(&adapter->hw, TDBAH, (uint32_t)(bus_addr >> 32));
- E1000_WRITE_REG(&adapter->hw, TDBAL, (uint32_t)bus_addr);
-
+ E1000_WRITE_REG(&adapter->hw, E1000_TDLEN(0),
+ adapter->num_tx_desc * sizeof(struct e1000_tx_desc));
+ E1000_WRITE_REG(&adapter->hw, E1000_TDBAH(0),
+ (uint32_t)(bus_addr >> 32));
+ E1000_WRITE_REG(&adapter->hw, E1000_TDBAL(0),
+ (uint32_t)bus_addr);
/* Setup the HW Tx Head and Tail descriptor pointers */
- E1000_WRITE_REG(&adapter->hw, TDT, 0);
- E1000_WRITE_REG(&adapter->hw, TDH, 0);
-
- HW_DEBUGOUT2("Base = %x, Length = %x\n",
- E1000_READ_REG(&adapter->hw, TDBAL),
- E1000_READ_REG(&adapter->hw, TDLEN));
+ E1000_WRITE_REG(&adapter->hw, E1000_TDT(0), 0);
+ E1000_WRITE_REG(&adapter->hw, E1000_TDH(0), 0);
/* Set the default values for the Tx Inter Packet Gap timer */
- switch (adapter->hw.mac_type) {
- case em_82542_rev2_0:
- case em_82542_rev2_1:
- reg_tipg = DEFAULT_82542_TIPG_IPGT;
- reg_tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
- reg_tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
+ switch (adapter->hw.mac.type) {
+ case e1000_82542:
+ tipg = DEFAULT_82542_TIPG_IPGT;
+ tipg |= DEFAULT_82542_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
+ tipg |= DEFAULT_82542_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
break;
- case em_80003es2lan:
- reg_tipg = DEFAULT_82543_TIPG_IPGR1;
- reg_tipg |=
- DEFAULT_80003ES2LAN_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
+
+ case e1000_80003es2lan:
+ tipg = DEFAULT_82543_TIPG_IPGR1;
+ tipg |= DEFAULT_80003ES2LAN_TIPG_IPGR2 <<
+ E1000_TIPG_IPGR2_SHIFT;
break;
+
default:
- if (adapter->hw.media_type == em_media_type_fiber ||
- adapter->hw.media_type == em_media_type_internal_serdes)
- reg_tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
+ if (adapter->hw.phy.media_type == e1000_media_type_fiber ||
+ adapter->hw.phy.media_type ==
+ e1000_media_type_internal_serdes)
+ tipg = DEFAULT_82543_TIPG_IPGT_FIBER;
else
- reg_tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
- reg_tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
- reg_tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
+ tipg = DEFAULT_82543_TIPG_IPGT_COPPER;
+ tipg |= DEFAULT_82543_TIPG_IPGR1 << E1000_TIPG_IPGR1_SHIFT;
+ tipg |= DEFAULT_82543_TIPG_IPGR2 << E1000_TIPG_IPGR2_SHIFT;
+ break;
+ }
+
+ E1000_WRITE_REG(&adapter->hw, E1000_TIPG, tipg);
+ E1000_WRITE_REG(&adapter->hw, E1000_TIDV, adapter->tx_int_delay.value);
+ if(adapter->hw.mac.type >= e1000_82540) {
+ E1000_WRITE_REG(&adapter->hw, E1000_TADV,
+ adapter->tx_abs_int_delay.value);
}
- E1000_WRITE_REG(&adapter->hw, TIPG, reg_tipg);
- E1000_WRITE_REG(&adapter->hw, TIDV, adapter->tx_int_delay.value);
- if (adapter->hw.mac_type >= em_82540) {
- E1000_WRITE_REG(&adapter->hw, TADV,
- adapter->tx_abs_int_delay.value);
+ if (adapter->hw.mac.type == e1000_82571 ||
+ adapter->hw.mac.type == e1000_82572) {
+ tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
+ tarc |= SPEED_MODE_BIT;
+ E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
+ } else if (adapter->hw.mac.type == e1000_80003es2lan) {
+ tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(0));
+ tarc |= 1;
+ E1000_WRITE_REG(&adapter->hw, E1000_TARC(0), tarc);
+ tarc = E1000_READ_REG(&adapter->hw, E1000_TARC(1));
+ tarc |= 1;
+ E1000_WRITE_REG(&adapter->hw, E1000_TARC(1), tarc);
}
/* Program the Transmit Control Register */
- reg_tctl = E1000_TCTL_PSP | E1000_TCTL_EN |
- (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
- if (adapter->hw.mac_type >= em_82571)
- reg_tctl |= E1000_TCTL_MULR;
- if (adapter->link_duplex == 1)
- reg_tctl |= E1000_FDX_COLLISION_DISTANCE << E1000_COLD_SHIFT;
- else
- reg_tctl |= E1000_HDX_COLLISION_DISTANCE << E1000_COLD_SHIFT;
+ tctl = E1000_READ_REG(&adapter->hw, E1000_TCTL);
+ tctl &= ~E1000_TCTL_CT;
+ tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC | E1000_TCTL_EN |
+ (E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
+
+ if (adapter->hw.mac.type >= e1000_82571)
+ tctl |= E1000_TCTL_MULR;
/* This write will effectively turn on the transmit unit. */
- E1000_WRITE_REG(&adapter->hw, TCTL, reg_tctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_TCTL, tctl);
- /* Setup Transmit Descriptor Base Settings */
+ /* Setup Transmit Descriptor Base Settings */
adapter->txd_cmd = E1000_TXD_CMD_IFCS;
if (adapter->tx_int_delay.value > 0)
adapter->txd_cmd |= E1000_TXD_CMD_IDE;
}
-/*********************************************************************
- *
- * Free all transmit related data structures.
- *
- **********************************************************************/
static void
-em_free_transmit_structures(struct adapter *adapter)
+em_destroy_tx_ring(struct adapter *adapter, int ndesc)
{
struct em_buffer *tx_buffer;
int i;
- INIT_DEBUGOUT("free_transmit_structures: begin");
+ if (adapter->tx_buffer_area == NULL)
+ return;
- if (adapter->tx_buffer_area != NULL) {
- tx_buffer = adapter->tx_buffer_area;
- for (i = 0; i < adapter->num_tx_desc; i++, tx_buffer++) {
- if (tx_buffer->m_head != NULL) {
- bus_dmamap_unload(adapter->txtag,
- tx_buffer->map);
- m_freem(tx_buffer->m_head);
- }
+ for (i = 0; i < ndesc; i++) {
+ tx_buffer = &adapter->tx_buffer_area[i];
- if (tx_buffer->map != NULL) {
- bus_dmamap_destroy(adapter->txtag, tx_buffer->map);
- tx_buffer->map = NULL;
- }
- tx_buffer->m_head = NULL;
- }
- }
- if (adapter->tx_buffer_area != NULL) {
- kfree(adapter->tx_buffer_area, M_DEVBUF);
- adapter->tx_buffer_area = NULL;
- }
- if (adapter->txtag != NULL) {
- bus_dma_tag_destroy(adapter->txtag);
- adapter->txtag = NULL;
+ KKASSERT(tx_buffer->m_head == NULL);
+ bus_dmamap_destroy(adapter->txtag, tx_buffer->map);
}
+ bus_dma_tag_destroy(adapter->txtag);
+
+ kfree(adapter->tx_buffer_area, M_DEVBUF);
+ adapter->tx_buffer_area = NULL;
}
-/*********************************************************************
- *
- * The offload context needs to be set when we transfer the first
- * packet of a particular protocol (TCP/UDP). We change the
- * context only if the protocol type changes.
- *
- **********************************************************************/
+/*
+ * The offload context needs to be set when we transfer the first
+ * packet of a particular protocol (TCP/UDP). This routine has been
+ * enhanced to deal with inserted VLAN headers, and IPV6 (not complete)
+ */
static void
-em_transmit_checksum_setup(struct adapter *adapter,
- struct mbuf *mp,
- uint32_t *txd_upper,
- uint32_t *txd_lower)
+em_txcsum(struct adapter *adapter, struct mbuf *mp,
+ uint32_t *txd_upper, uint32_t *txd_lower)
{
- struct em_context_desc *TXD;
+ struct e1000_context_desc *TXD;
struct em_buffer *tx_buffer;
- int curr_txd;
+ struct ether_vlan_header *eh;
+ struct ip *ip = NULL;
+ struct ip6_hdr *ip6;
+ struct tcp_hdr *th;
+ int curr_txd, ehdrlen;
+ uint32_t cmd, hdr_len, ip_hlen;
+ uint16_t etype;
+ uint8_t ipproto;
+
+ cmd = hdr_len = ipproto = 0;
+
+ /* Setup checksum offload context. */
+ curr_txd = adapter->next_avail_tx_desc;
+ tx_buffer = &adapter->tx_buffer_area[curr_txd];
+ TXD = (struct e1000_context_desc *)&adapter->tx_desc_base[curr_txd];
- if (mp->m_pkthdr.csum_flags) {
- if (mp->m_pkthdr.csum_flags & CSUM_TCP) {
- *txd_upper = E1000_TXD_POPTS_TXSM << 8;
- *txd_lower = E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
- if (adapter->active_checksum_context == OFFLOAD_TCP_IP)
- return;
- else
- adapter->active_checksum_context = OFFLOAD_TCP_IP;
- } else if (mp->m_pkthdr.csum_flags & CSUM_UDP) {
- *txd_upper = E1000_TXD_POPTS_TXSM << 8;
- *txd_lower = E1000_TXD_CMD_DEXT | E1000_TXD_DTYP_D;
- if (adapter->active_checksum_context == OFFLOAD_UDP_IP)
- return;
- else
- adapter->active_checksum_context = OFFLOAD_UDP_IP;
- } else {
- *txd_upper = 0;
- *txd_lower = 0;
- return;
- }
+ /*
+ * Determine where frame payload starts.
+ * Jump over vlan headers if already present,
+ * helpful for QinQ too.
+ */
+ eh = mtod(mp, struct ether_vlan_header *);
+ if (eh->evl_encap_proto == htons(ETHERTYPE_VLAN)) {
+ etype = ntohs(eh->evl_proto);
+ ehdrlen = ETHER_HDR_LEN + EVL_ENCAPLEN;
} else {
- *txd_upper = 0;
- *txd_lower = 0;
- return;
+ etype = ntohs(eh->evl_encap_proto);
+ ehdrlen = ETHER_HDR_LEN;
}
/*
- * If we reach this point, the checksum offload context
- * needs to be reset.
+ * We only support TCP/UDP for IPv4 and IPv6 for the moment.
+ * TODO: Support SCTP too when it hits the tree.
*/
- curr_txd = adapter->next_avail_tx_desc;
- tx_buffer = &adapter->tx_buffer_area[curr_txd];
- TXD = (struct em_context_desc *) &adapter->tx_desc_base[curr_txd];
+ switch (etype) {
+ case ETHERTYPE_IP:
+ ip = (struct ip *)(mp->m_data + ehdrlen);
+ ip_hlen = ip->ip_hl << 2;
+
+ /* Setup of IP header checksum. */
+ if (mp->m_pkthdr.csum_flags & CSUM_IP) {
+ /*
+ * Start offset for header checksum calculation.
+ * End offset for header checksum calculation.
+ * Offset of place to put the checksum.
+ */
+ TXD->lower_setup.ip_fields.ipcss = ehdrlen;
+ TXD->lower_setup.ip_fields.ipcse =
+ htole16(ehdrlen + ip_hlen - 1);
+ TXD->lower_setup.ip_fields.ipcso =
+ ehdrlen + offsetof(struct ip, ip_sum);
+ cmd |= E1000_TXD_CMD_IP;
+ *txd_upper |= E1000_TXD_POPTS_IXSM << 8;
+ }
+
+ if (mp->m_len < ehdrlen + ip_hlen)
+ return; /* failure */
+
+ hdr_len = ehdrlen + ip_hlen;
+ ipproto = ip->ip_p;
+
+ break;
+
+ case ETHERTYPE_IPV6:
+ ip6 = (struct ip6_hdr *)(mp->m_data + ehdrlen);
+ ip_hlen = sizeof(struct ip6_hdr); /* XXX: No header stacking. */
+
+ if (mp->m_len < ehdrlen + ip_hlen)
+ return; /* failure */
- TXD->lower_setup.ip_fields.ipcss = ETHER_HDR_LEN;
- TXD->lower_setup.ip_fields.ipcso =
- ETHER_HDR_LEN + offsetof(struct ip, ip_sum);
- TXD->lower_setup.ip_fields.ipcse =
- htole16(ETHER_HDR_LEN + sizeof(struct ip) - 1);
+ /* IPv6 doesn't have a header checksum. */
- TXD->upper_setup.tcp_fields.tucss =
- ETHER_HDR_LEN + sizeof(struct ip);
- TXD->upper_setup.tcp_fields.tucse = htole16(0);
+ hdr_len = ehdrlen + ip_hlen;
+ ipproto = ip6->ip6_nxt;
+
+ break;
- if (adapter->active_checksum_context == OFFLOAD_TCP_IP) {
- TXD->upper_setup.tcp_fields.tucso =
- ETHER_HDR_LEN + sizeof(struct ip) +
- offsetof(struct tcphdr, th_sum);
- } else if (adapter->active_checksum_context == OFFLOAD_UDP_IP) {
- TXD->upper_setup.tcp_fields.tucso =
- ETHER_HDR_LEN + sizeof(struct ip) +
- offsetof(struct udphdr, uh_sum);
+ default:
+ *txd_upper = 0;
+ *txd_lower = 0;
+ return;
}
- TXD->tcp_seg_setup.data = htole32(0);
- TXD->cmd_and_length = htole32(adapter->txd_cmd | E1000_TXD_CMD_DEXT);
+ switch (ipproto) {
+ case IPPROTO_TCP:
+ if (mp->m_pkthdr.csum_flags & CSUM_TCP) {
+ /*
+ * Start offset for payload checksum calculation.
+ * End offset for payload checksum calculation.
+ * Offset of place to put the checksum.
+ */
+ th = (struct tcp_hdr *)(mp->m_data + hdr_len);
+ TXD->upper_setup.tcp_fields.tucss = hdr_len;
+ TXD->upper_setup.tcp_fields.tucse = htole16(0);
+ TXD->upper_setup.tcp_fields.tucso =
+ hdr_len + offsetof(struct tcphdr, th_sum);
+ cmd |= E1000_TXD_CMD_TCP;
+ *txd_upper |= E1000_TXD_POPTS_TXSM << 8;
+ }
+ break;
+ case IPPROTO_UDP:
+ if (mp->m_pkthdr.csum_flags & CSUM_UDP) {
+ /*
+ * Start offset for header checksum calculation.
+ * End offset for header checksum calculation.
+ * Offset of place to put the checksum.
+ */
+ TXD->upper_setup.tcp_fields.tucss = hdr_len;
+ TXD->upper_setup.tcp_fields.tucse = htole16(0);
+ TXD->upper_setup.tcp_fields.tucso =
+ hdr_len + offsetof(struct udphdr, uh_sum);
+ *txd_upper |= E1000_TXD_POPTS_TXSM << 8;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ *txd_lower = E1000_TXD_CMD_DEXT | /* Extended descr type */
+ E1000_TXD_DTYP_D; /* Data descr */
+ TXD->tcp_seg_setup.data = htole32(0);
+ TXD->cmd_and_length =
+ htole32(adapter->txd_cmd | E1000_TXD_CMD_DEXT | cmd);
tx_buffer->m_head = NULL;
tx_buffer->next_eop = -1;
if (++curr_txd == adapter->num_tx_desc)
curr_txd = 0;
+ KKASSERT(adapter->num_tx_desc_avail > 0);
adapter->num_tx_desc_avail--;
+
adapter->next_avail_tx_desc = curr_txd;
}
-/**********************************************************************
- *
- * Examine each tx_buffer in the used queue. If the hardware is done
- * processing the packet then free associated resources. The
- * tx_buffer is put back on the free queue.
- *
- **********************************************************************/
-
static void
em_txeof(struct adapter *adapter)
{
int first, last, done, num_avail;
struct em_buffer *tx_buffer;
- struct em_tx_desc *tx_desc, *eop_desc;
- struct ifnet *ifp = &adapter->interface_data.ac_if;
+ struct e1000_tx_desc *tx_desc, *eop_desc;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
if (adapter->num_tx_desc_avail == adapter->num_tx_desc)
return;
- num_avail = adapter->num_tx_desc_avail;
+ num_avail = adapter->num_tx_desc_avail;
first = adapter->next_tx_to_clean;
+
tx_desc = &adapter->tx_desc_base[first];
tx_buffer = &adapter->tx_buffer_area[first];
last = tx_buffer->next_eop;
- KKASSERT(last >= 0 && last < adapter->num_tx_desc);
eop_desc = &adapter->tx_desc_base[last];
/*
- * Now caculate the terminating index for the cleanup loop below
+ * What this does is get the index of the
+ * first descriptor AFTER the EOP of the
+ * first packet, that way we can do the
+ * simple comparison on the inner while loop.
*/
if (++last == adapter->num_tx_desc)
last = 0;
done = last;
- bus_dmamap_sync(adapter->txdma.dma_tag, adapter->txdma.dma_map,
- BUS_DMASYNC_POSTREAD);
-
- while (eop_desc->upper.fields.status & E1000_TXD_STAT_DD) {
+ while (eop_desc->upper.fields.status & E1000_TXD_STAT_DD) {
+ /* We clean the range of the packet */
while (first != done) {
+ logif(pkt_txclean);
+
tx_desc->upper.data = 0;
tx_desc->lower.data = 0;
+ tx_desc->buffer_addr = 0;
num_avail++;
- logif(pkt_txclean);
-
if (tx_buffer->m_head) {
ifp->if_opackets++;
- bus_dmamap_sync(adapter->txtag, tx_buffer->map,
- BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(adapter->txtag,
tx_buffer->map);
-
m_freem(tx_buffer->m_head);
tx_buffer->m_head = NULL;
}
tx_buffer = &adapter->tx_buffer_area[first];
tx_desc = &adapter->tx_desc_base[first];
}
+
/* See if we can continue to the next packet */
last = tx_buffer->next_eop;
if (last != -1) {
- KKASSERT(last >= 0 && last < adapter->num_tx_desc);
eop_desc = &adapter->tx_desc_base[last];
+
+ /* Get new done point */
if (++last == adapter->num_tx_desc)
last = 0;
done = last;
break;
}
}
+ adapter->next_tx_to_clean = first;
+ adapter->num_tx_desc_avail = num_avail;
- bus_dmamap_sync(adapter->txdma.dma_tag, adapter->txdma.dma_map,
- BUS_DMASYNC_PREWRITE);
+ if (adapter->num_tx_desc_avail > EM_TX_CLEANUP_THRESHOLD) {
+ ifp->if_flags &= ~IFF_OACTIVE;
- adapter->next_tx_to_clean = first;
+ /* All clean, turn off the timer */
+ if (adapter->num_tx_desc_avail == adapter->num_tx_desc)
+ ifp->if_timer = 0;
+ }
+}
- /*
- * If we have enough room, clear IFF_OACTIVE to tell the stack
- * that it is OK to send packets.
- * If there are no pending descriptors, clear the timeout. Otherwise,
- * if some descriptors have been freed, restart the timeout.
- */
- if (num_avail > EM_TX_CLEANUP_THRESHOLD) {
- ifp->if_flags &= ~IFF_OACTIVE;
- if (num_avail == adapter->num_tx_desc)
+/*
+ * When Link is lost sometimes there is work still in the TX ring
+ * which will result in a watchdog, rather than allow that do an
+ * attempted cleanup and then reinit here. Note that this has been
+ * seens mostly with fiber adapters.
+ */
+static void
+em_tx_purge(struct adapter *adapter)
+{
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+
+ if (!adapter->link_active && ifp->if_timer) {
+ em_txeof(adapter);
+ if (ifp->if_timer) {
+ if_printf(ifp, "Link lost, TX pending, reinit\n");
ifp->if_timer = 0;
- else if (num_avail == adapter->num_tx_desc_avail)
- ifp->if_timer = EM_TX_TIMEOUT;
+ em_init(adapter);
+ }
}
- adapter->num_tx_desc_avail = num_avail;
}
-/*********************************************************************
- *
- * Get a buffer from system mbuf buffer pool.
- *
- **********************************************************************/
static int
-em_get_buf(int i, struct adapter *adapter, struct mbuf *nmp, int how)
+em_newbuf(struct adapter *adapter, int i, int init)
{
- struct mbuf *mp = nmp;
+ struct mbuf *m;
+ bus_dma_segment_t seg;
+ bus_dmamap_t map;
struct em_buffer *rx_buffer;
- struct ifnet *ifp;
- bus_addr_t paddr;
- int error;
-
- ifp = &adapter->interface_data.ac_if;
-
- if (mp == NULL) {
- mp = m_getcl(how, MT_DATA, M_PKTHDR);
- if (mp == NULL) {
- adapter->mbuf_cluster_failed++;
- return (ENOBUFS);
+ int error, nseg;
+
+ m = m_getcl(init ? MB_WAIT : MB_DONTWAIT, MT_DATA, M_PKTHDR);
+ if (m == NULL) {
+ adapter->mbuf_cluster_failed++;
+ if (init) {
+ if_printf(&adapter->arpcom.ac_if,
+ "Unable to allocate RX mbuf\n");
}
- mp->m_len = mp->m_pkthdr.len = MCLBYTES;
- } else {
- mp->m_len = mp->m_pkthdr.len = MCLBYTES;
- mp->m_data = mp->m_ext.ext_buf;
- mp->m_next = NULL;
+ return (ENOBUFS);
}
+ m->m_len = m->m_pkthdr.len = MCLBYTES;
- if (ifp->if_mtu <= ETHERMTU)
- m_adj(mp, ETHER_ALIGN);
-
- rx_buffer = &adapter->rx_buffer_area[i];
+ if (adapter->max_frame_size <= MCLBYTES - ETHER_ALIGN)
+ m_adj(m, ETHER_ALIGN);
- /*
- * Using memory from the mbuf cluster pool, invoke the
- * bus_dma machinery to arrange the memory mapping.
- */
- error = bus_dmamap_load(adapter->rxtag, rx_buffer->map,
- mtod(mp, void *), mp->m_len,
- em_dmamap_cb, &paddr, 0);
+ error = bus_dmamap_load_mbuf_segment(adapter->rxtag,
+ adapter->rx_sparemap, m,
+ &seg, 1, &nseg, BUS_DMA_NOWAIT);
if (error) {
- m_freem(mp);
+ m_freem(m);
+ if (init) {
+ if_printf(&adapter->arpcom.ac_if,
+ "Unable to load RX mbuf\n");
+ }
return (error);
}
- rx_buffer->m_head = mp;
- adapter->rx_desc_base[i].buffer_addr = htole64(paddr);
- bus_dmamap_sync(adapter->rxtag, rx_buffer->map, BUS_DMASYNC_PREREAD);
+ rx_buffer = &adapter->rx_buffer_area[i];
+ if (rx_buffer->m_head != NULL)
+ bus_dmamap_unload(adapter->rxtag, rx_buffer->map);
+
+ map = rx_buffer->map;
+ rx_buffer->map = adapter->rx_sparemap;
+ adapter->rx_sparemap = map;
+
+ rx_buffer->m_head = m;
+
+ adapter->rx_desc_base[i].buffer_addr = htole64(seg.ds_addr);
return (0);
}
-/*********************************************************************
- *
- * Allocate memory for rx_buffer structures. Since we use one
- * rx_buffer per received packet, the maximum number of rx_buffer's
- * that we'll need is equal to the number of receive descriptors
- * that we've allocated.
- *
- **********************************************************************/
static int
-em_allocate_receive_structures(struct adapter *adapter)
+em_create_rx_ring(struct adapter *adapter)
{
- int i, error, size;
+ device_t dev = adapter->dev;
struct em_buffer *rx_buffer;
+ int i, error;
+
+ adapter->rx_buffer_area =
+ kmalloc(sizeof(struct em_buffer) * adapter->num_rx_desc,
+ M_DEVBUF, M_WAITOK | M_ZERO);
- size = adapter->num_rx_desc * sizeof(struct em_buffer);
- adapter->rx_buffer_area = kmalloc(size, M_DEVBUF, M_WAITOK | M_ZERO);
-
- error = bus_dma_tag_create(NULL, /* parent */
- 1, 0, /* alignment, bounds */
- BUS_SPACE_MAXADDR, /* lowaddr */
- BUS_SPACE_MAXADDR, /* highaddr */
- NULL, NULL, /* filter, filterarg */
- MCLBYTES, /* maxsize */
- 1, /* nsegments */
- MCLBYTES, /* maxsegsize */
- 0, /* flags */
- &adapter->rxtag);
+ /*
+ * Create DMA tag for rx buffers
+ */
+ error = bus_dma_tag_create(adapter->parent_dtag, /* parent */
+ 1, 0, /* alignment, bounds */
+ BUS_SPACE_MAXADDR, /* lowaddr */
+ BUS_SPACE_MAXADDR, /* highaddr */
+ NULL, NULL, /* filter, filterarg */
+ MCLBYTES, /* maxsize */
+ 1, /* nsegments */
+ MCLBYTES, /* maxsegsize */
+ BUS_DMA_WAITOK | BUS_DMA_ALLOCNOW, /* flags */
+ &adapter->rxtag);
if (error) {
- device_printf(adapter->dev, "%s: bus_dma_tag_create failed; "
- "error %u\n", __func__, error);
- goto fail;
+ device_printf(dev, "Unable to allocate RX DMA tag\n");
+ kfree(adapter->rx_buffer_area, M_DEVBUF);
+ adapter->rx_buffer_area = NULL;
+ return error;
+ }
+
+ /*
+ * Create spare DMA map for rx buffers
+ */
+ error = bus_dmamap_create(adapter->rxtag, BUS_DMA_WAITOK,
+ &adapter->rx_sparemap);
+ if (error) {
+ device_printf(dev, "Unable to create spare RX DMA map\n");
+ bus_dma_tag_destroy(adapter->rxtag);
+ kfree(adapter->rx_buffer_area, M_DEVBUF);
+ adapter->rx_buffer_area = NULL;
+ return error;
}
-
- rx_buffer = adapter->rx_buffer_area;
- for (i = 0; i < adapter->num_rx_desc; i++, rx_buffer++) {
- error = bus_dmamap_create(adapter->rxtag, BUS_DMA_NOWAIT,
+
+ /*
+ * Create DMA maps for rx buffers
+ */
+ for (i = 0; i < adapter->num_rx_desc; i++) {
+ rx_buffer = &adapter->rx_buffer_area[i];
+
+ error = bus_dmamap_create(adapter->rxtag, BUS_DMA_WAITOK,
&rx_buffer->map);
if (error) {
- device_printf(adapter->dev,
- "%s: bus_dmamap_create failed; "
- "error %u\n", __func__, error);
- goto fail;
+ device_printf(dev, "Unable to create RX DMA map\n");
+ em_destroy_rx_ring(adapter, i);
+ return error;
}
}
-
- for (i = 0; i < adapter->num_rx_desc; i++) {
- error = em_get_buf(i, adapter, NULL, MB_DONTWAIT);
- if (error)
- goto fail;
- }
-
- bus_dmamap_sync(adapter->rxdma.dma_tag, adapter->rxdma.dma_map,
- BUS_DMASYNC_PREWRITE);
-
return (0);
-fail:
- em_free_receive_structures(adapter);
- return (error);
}
-/*********************************************************************
- *
- * Allocate and initialize receive structures.
- *
- **********************************************************************/
static int
-em_setup_receive_structures(struct adapter *adapter)
+em_init_rx_ring(struct adapter *adapter)
{
- int error;
+ int i, error;
+ /* Reset descriptor ring */
bzero(adapter->rx_desc_base,
- sizeof(struct em_rx_desc) * adapter->num_rx_desc);
+ (sizeof(struct e1000_rx_desc)) * adapter->num_rx_desc);
- error = em_allocate_receive_structures(adapter);
- if (error)
- return (error);
+ /* Allocate new ones. */
+ for (i = 0; i < adapter->num_rx_desc; i++) {
+ error = em_newbuf(adapter, i, 1);
+ if (error)
+ return (error);
+ }
/* Setup our descriptor pointers */
adapter->next_rx_desc_to_check = 0;
return (0);
}
-/*********************************************************************
- *
- * Enable receive unit.
- *
- **********************************************************************/
static void
-em_initialize_receive_unit(struct adapter *adapter)
+em_init_rx_unit(struct adapter *adapter)
{
- uint32_t reg_rctl;
- uint32_t reg_rxcsum;
- struct ifnet *ifp;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
uint64_t bus_addr;
-
- INIT_DEBUGOUT("em_initialize_receive_unit: begin");
-
- ifp = &adapter->interface_data.ac_if;
+ uint32_t rctl, rxcsum;
/*
* Make sure receives are disabled while setting
* up the descriptor ring
*/
- E1000_WRITE_REG(&adapter->hw, RCTL, 0);
-
- /* Set the Receive Delay Timer Register */
- E1000_WRITE_REG(&adapter->hw, RDTR,
- adapter->rx_int_delay.value | E1000_RDT_FPDB);
+ rctl = E1000_READ_REG(&adapter->hw, E1000_RCTL);
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, rctl & ~E1000_RCTL_EN);
- if(adapter->hw.mac_type >= em_82540) {
- E1000_WRITE_REG(&adapter->hw, RADV,
- adapter->rx_abs_int_delay.value);
+ if (adapter->hw.mac.type >= e1000_82540) {
+ E1000_WRITE_REG(&adapter->hw, E1000_RADV,
+ adapter->rx_abs_int_delay.value);
- /* Set the interrupt throttling rate in 256ns increments */
- if (em_int_throttle_ceil) {
- E1000_WRITE_REG(&adapter->hw, ITR,
- 1000000000 / 256 / em_int_throttle_ceil);
+ /*
+ * Set the interrupt throttling rate. Value is calculated
+ * as ITR = 1 / (INT_THROTTLE_CEIL * 256ns)
+ */
+ if (adapter->int_throttle_ceil) {
+ E1000_WRITE_REG(&adapter->hw, E1000_ITR,
+ 1000000000 / 256 / adapter->int_throttle_ceil);
} else {
- E1000_WRITE_REG(&adapter->hw, ITR, 0);
+ E1000_WRITE_REG(&adapter->hw, E1000_ITR, 0);
}
}
+ /* Disable accelerated ackknowledge */
+ if (adapter->hw.mac.type == e1000_82574) {
+ E1000_WRITE_REG(&adapter->hw,
+ E1000_RFCTL, E1000_RFCTL_ACK_DIS);
+ }
+
/* Setup the Base and Length of the Rx Descriptor Ring */
bus_addr = adapter->rxdma.dma_paddr;
- E1000_WRITE_REG(&adapter->hw, RDLEN, adapter->num_rx_desc *
- sizeof(struct em_rx_desc));
- E1000_WRITE_REG(&adapter->hw, RDBAH, (uint32_t)(bus_addr >> 32));
- E1000_WRITE_REG(&adapter->hw, RDBAL, (uint32_t)bus_addr);
+ E1000_WRITE_REG(&adapter->hw, E1000_RDLEN(0),
+ adapter->num_rx_desc * sizeof(struct e1000_rx_desc));
+ E1000_WRITE_REG(&adapter->hw, E1000_RDBAH(0),
+ (uint32_t)(bus_addr >> 32));
+ E1000_WRITE_REG(&adapter->hw, E1000_RDBAL(0),
+ (uint32_t)bus_addr);
/* Setup the Receive Control Register */
- reg_rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO |
- E1000_RCTL_RDMTS_HALF |
- (adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
+ rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
+ rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_LBM_NO |
+ E1000_RCTL_RDMTS_HALF |
+ (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
- if (adapter->hw.tbi_compatibility_on == TRUE)
- reg_rctl |= E1000_RCTL_SBP;
+ /* Make sure VLAN Filters are off */
+ rctl &= ~E1000_RCTL_VFE;
+
+ if (e1000_tbi_sbp_enabled_82543(&adapter->hw))
+ rctl |= E1000_RCTL_SBP;
+ else
+ rctl &= ~E1000_RCTL_SBP;
switch (adapter->rx_buffer_len) {
default:
- case EM_RXBUFFER_2048:
- reg_rctl |= E1000_RCTL_SZ_2048;
+ case 2048:
+ rctl |= E1000_RCTL_SZ_2048;
+ break;
+
+ case 4096:
+ rctl |= E1000_RCTL_SZ_4096 |
+ E1000_RCTL_BSEX | E1000_RCTL_LPE;
break;
- case EM_RXBUFFER_4096:
- reg_rctl |= E1000_RCTL_SZ_4096 | E1000_RCTL_BSEX |
- E1000_RCTL_LPE;
- break;
- case EM_RXBUFFER_8192:
- reg_rctl |= E1000_RCTL_SZ_8192 | E1000_RCTL_BSEX |
- E1000_RCTL_LPE;
+
+ case 8192:
+ rctl |= E1000_RCTL_SZ_8192 |
+ E1000_RCTL_BSEX | E1000_RCTL_LPE;
break;
- case EM_RXBUFFER_16384:
- reg_rctl |= E1000_RCTL_SZ_16384 | E1000_RCTL_BSEX |
- E1000_RCTL_LPE;
+
+ case 16384:
+ rctl |= E1000_RCTL_SZ_16384 |
+ E1000_RCTL_BSEX | E1000_RCTL_LPE;
break;
}
if (ifp->if_mtu > ETHERMTU)
- reg_rctl |= E1000_RCTL_LPE;
+ rctl |= E1000_RCTL_LPE;
+ else
+ rctl &= ~E1000_RCTL_LPE;
- /* Enable 82543 Receive Checksum Offload for TCP and UDP */
- if ((adapter->hw.mac_type >= em_82543) &&
- (ifp->if_capenable & IFCAP_RXCSUM)) {
- reg_rxcsum = E1000_READ_REG(&adapter->hw, RXCSUM);
- reg_rxcsum |= (E1000_RXCSUM_IPOFL | E1000_RXCSUM_TUOFL);
- E1000_WRITE_REG(&adapter->hw, RXCSUM, reg_rxcsum);
+ /* Receive Checksum Offload for TCP and UDP */
+ if (ifp->if_capenable & IFCAP_RXCSUM) {
+ rxcsum = E1000_READ_REG(&adapter->hw, E1000_RXCSUM);
+ rxcsum |= (E1000_RXCSUM_IPOFL | E1000_RXCSUM_TUOFL);
+ E1000_WRITE_REG(&adapter->hw, E1000_RXCSUM, rxcsum);
}
-#ifdef EM_X60_WORKAROUND
- if (adapter->hw.mac_type == em_82573)
- E1000_WRITE_REG(&adapter->hw, RDTR, 32);
-#endif
+ /*
+ * XXX TEMPORARY WORKAROUND: on some systems with 82573
+ * long latencies are observed, like Lenovo X60. This
+ * change eliminates the problem, but since having positive
+ * values in RDTR is a known source of problems on other
+ * platforms another solution is being sought.
+ */
+ if (adapter->hw.mac.type == e1000_82573)
+ E1000_WRITE_REG(&adapter->hw, E1000_RDTR, 0x20);
/* Enable Receives */
- E1000_WRITE_REG(&adapter->hw, RCTL, reg_rctl);
+ E1000_WRITE_REG(&adapter->hw, E1000_RCTL, rctl);
- /* Setup the HW Rx Head and Tail Descriptor Pointers */
- E1000_WRITE_REG(&adapter->hw, RDH, 0);
- E1000_WRITE_REG(&adapter->hw, RDT, adapter->num_rx_desc - 1);
+ /*
+ * Setup the HW Rx Head and Tail Descriptor Pointers
+ */
+ E1000_WRITE_REG(&adapter->hw, E1000_RDH(0), 0);
+ E1000_WRITE_REG(&adapter->hw, E1000_RDT(0), adapter->num_rx_desc - 1);
}
-/*********************************************************************
- *
- * Free receive related data structures.
- *
- **********************************************************************/
static void
-em_free_receive_structures(struct adapter *adapter)
+em_destroy_rx_ring(struct adapter *adapter, int ndesc)
{
struct em_buffer *rx_buffer;
int i;
- INIT_DEBUGOUT("free_receive_structures: begin");
+ if (adapter->rx_buffer_area == NULL)
+ return;
- if (adapter->rx_buffer_area != NULL) {
- rx_buffer = adapter->rx_buffer_area;
- for (i = 0; i < adapter->num_rx_desc; i++, rx_buffer++) {
- if (rx_buffer->m_head != NULL) {
- bus_dmamap_unload(adapter->rxtag,
- rx_buffer->map);
- m_freem(rx_buffer->m_head);
- rx_buffer->m_head = NULL;
- }
- if (rx_buffer->map != NULL) {
- bus_dmamap_destroy(adapter->rxtag,
- rx_buffer->map);
- rx_buffer->map = NULL;
- }
- }
- }
- if (adapter->rx_buffer_area != NULL) {
- kfree(adapter->rx_buffer_area, M_DEVBUF);
- adapter->rx_buffer_area = NULL;
- }
- if (adapter->rxtag != NULL) {
- bus_dma_tag_destroy(adapter->rxtag);
- adapter->rxtag = NULL;
+ for (i = 0; i < ndesc; i++) {
+ rx_buffer = &adapter->rx_buffer_area[i];
+
+ KKASSERT(rx_buffer->m_head == NULL);
+ bus_dmamap_destroy(adapter->rxtag, rx_buffer->map);
}
+ bus_dmamap_destroy(adapter->rxtag, adapter->rx_sparemap);
+ bus_dma_tag_destroy(adapter->rxtag);
+
+ kfree(adapter->rx_buffer_area, M_DEVBUF);
+ adapter->rx_buffer_area = NULL;
}
-/*********************************************************************
- *
- * This routine executes in interrupt context. It replenishes
- * the mbufs in the descriptor and sends data which has been
- * dma'ed into host memory to upper layer.
- *
- * We loop at most count times if count is > 0, or until done if
- * count < 0.
- *
- *********************************************************************/
static void
em_rxeof(struct adapter *adapter, int count)
{
- struct ifnet *ifp;
- struct mbuf *mp;
- uint8_t accept_frame = 0;
- uint8_t eop = 0;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+ uint8_t status, accept_frame = 0, eop = 0;
uint16_t len, desc_len, prev_len_adj;
+ struct e1000_rx_desc *current_desc;
+ struct mbuf *mp;
int i;
struct mbuf_chain chain[MAXCPU];
- /* Pointer to the receive descriptor being examined. */
- struct em_rx_desc *current_desc;
-
- ifp = &adapter->interface_data.ac_if;
i = adapter->next_rx_desc_to_check;
current_desc = &adapter->rx_desc_base[i];
- bus_dmamap_sync(adapter->rxdma.dma_tag, adapter->rxdma.dma_map,
- BUS_DMASYNC_POSTREAD);
-
if (!(current_desc->status & E1000_RXD_STAT_DD))
return;
ether_input_chain_init(chain);
while ((current_desc->status & E1000_RXD_STAT_DD) && count != 0) {
+ struct mbuf *m = NULL;
+
logif(pkt_receive);
+
mp = adapter->rx_buffer_area[i].m_head;
+
+ /*
+ * Can't defer bus_dmamap_sync(9) because TBI_ACCEPT
+ * needs to access the last received byte in the mbuf.
+ */
bus_dmamap_sync(adapter->rxtag, adapter->rx_buffer_area[i].map,
BUS_DMASYNC_POSTREAD);
- bus_dmamap_unload(adapter->rxtag,
- adapter->rx_buffer_area[i].map);
accept_frame = 1;
prev_len_adj = 0;
desc_len = le16toh(current_desc->length);
- if (current_desc->status & E1000_RXD_STAT_EOP) {
+ status = current_desc->status;
+ if (status & E1000_RXD_STAT_EOP) {
count--;
eop = 1;
if (desc_len < ETHER_CRC_LEN) {
}
if (current_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK) {
- uint8_t last_byte;
+ uint8_t last_byte;
uint32_t pkt_len = desc_len;
if (adapter->fmp != NULL)
- pkt_len += adapter->fmp->m_pkthdr.len;
+ pkt_len += adapter->fmp->m_pkthdr.len;
last_byte = *(mtod(mp, caddr_t) + desc_len - 1);
-
- if (TBI_ACCEPT(&adapter->hw, current_desc->status,
- current_desc->errors,
- pkt_len, last_byte)) {
- em_tbi_adjust_stats(&adapter->hw,
- &adapter->stats,
- pkt_len,
- adapter->hw.mac_addr);
+ if (TBI_ACCEPT(&adapter->hw, status,
+ current_desc->errors, pkt_len, last_byte,
+ adapter->min_frame_size, adapter->max_frame_size)) {
+ e1000_tbi_adjust_stats_82543(&adapter->hw,
+ &adapter->stats, pkt_len,
+ adapter->hw.mac.addr,
+ adapter->max_frame_size);
if (len > 0)
len--;
} else {
}
if (accept_frame) {
- if (em_get_buf(i, adapter, NULL, MB_DONTWAIT) == ENOBUFS) {
- adapter->dropped_pkts++;
- em_get_buf(i, adapter, mp, MB_DONTWAIT);
- if (adapter->fmp != NULL)
- m_freem(adapter->fmp);
- adapter->fmp = NULL;
- adapter->lmp = NULL;
- goto skip;
+ if (em_newbuf(adapter, i, 0) != 0) {
+ ifp->if_iqdrops++;
+ goto discard;
}
/* Assign correct length to the current fragment */
if (adapter->fmp == NULL) {
mp->m_pkthdr.len = len;
- adapter->fmp = mp; /* Store the first mbuf */
+ adapter->fmp = mp; /* Store the first mbuf */
adapter->lmp = mp;
} else {
- /* Chain mbuf's together */
- /*
+ /*
+ * Chain mbuf's together
+ */
+
+ /*
* Adjust length of previous mbuf in chain if
* we received less than 4 bytes in the last
* descriptor.
*/
if (prev_len_adj > 0) {
adapter->lmp->m_len -= prev_len_adj;
- adapter->fmp->m_pkthdr.len -= prev_len_adj;
+ adapter->fmp->m_pkthdr.len -=
+ prev_len_adj;
}
adapter->lmp->m_next = mp;
adapter->lmp = adapter->lmp->m_next;
adapter->fmp->m_pkthdr.rcvif = ifp;
ifp->if_ipackets++;
- em_receive_checksum(adapter, current_desc,
- adapter->fmp);
- if (current_desc->status & E1000_RXD_STAT_VP) {
- adapter->fmp->m_flags |= M_VLANTAG;
+ if (ifp->if_capenable & IFCAP_RXCSUM) {
+ em_rxcsum(adapter, current_desc,
+ adapter->fmp);
+ }
+
+ if (status & E1000_RXD_STAT_VP) {
adapter->fmp->m_pkthdr.ether_vlantag =
- (current_desc->special &
- E1000_RXD_SPC_VLAN_MASK);
+ (le16toh(current_desc->special) &
+ E1000_RXD_SPC_VLAN_MASK);
+ adapter->fmp->m_flags |= M_VLANTAG;
}
- ether_input_chain(ifp, adapter->fmp, chain);
+ m = adapter->fmp;
adapter->fmp = NULL;
adapter->lmp = NULL;
}
} else {
- adapter->dropped_pkts++;
- em_get_buf(i, adapter, mp, MB_DONTWAIT);
- if (adapter->fmp != NULL)
+ ifp->if_ierrors++;
+discard:
+#ifdef foo
+ /* Reuse loaded DMA map and just update mbuf chain */
+ mp = adapter->rx_buffer_area[i].m_head;
+ mp->m_len = mp->m_pkthdr.len = MCLBYTES;
+ mp->m_data = mp->m_ext.ext_buf;
+ mp->m_next = NULL;
+ if (adapter->max_frame_size <= (MCLBYTES - ETHER_ALIGN))
+ m_adj(mp, ETHER_ALIGN);
+#endif
+ if (adapter->fmp != NULL) {
m_freem(adapter->fmp);
- adapter->fmp = NULL;
- adapter->lmp = NULL;
+ adapter->fmp = NULL;
+ adapter->lmp = NULL;
+ }
+ m = NULL;
}
-skip:
/* Zero out the receive descriptors status. */
current_desc->status = 0;
+ if (m != NULL)
+ ether_input_chain(ifp, m, chain);
+
/* Advance our pointers to the next descriptor. */
- if (++i == adapter->num_rx_desc) {
+ if (++i == adapter->num_rx_desc)
i = 0;
- current_desc = adapter->rx_desc_base;
- } else {
- current_desc++;
- }
+ current_desc = &adapter->rx_desc_base[i];
}
+ adapter->next_rx_desc_to_check = i;
ether_input_dispatch(chain);
- bus_dmamap_sync(adapter->rxdma.dma_tag, adapter->rxdma.dma_map,
- BUS_DMASYNC_PREWRITE);
-
- adapter->next_rx_desc_to_check = i;
-
/* Advance the E1000's Receive Queue #0 "Tail Pointer". */
if (--i < 0)
i = adapter->num_rx_desc - 1;
-
- E1000_WRITE_REG(&adapter->hw, RDT, i);
+ E1000_WRITE_REG(&adapter->hw, E1000_RDT(0), i);
}
-/*********************************************************************
- *
- * Verify that the hardware indicated that the checksum is valid.
- * Inform the stack about the status of checksum so that stack
- * doesn't spend time verifying the checksum.
- *
- *********************************************************************/
static void
-em_receive_checksum(struct adapter *adapter,
- struct em_rx_desc *rx_desc,
- struct mbuf *mp)
+em_rxcsum(struct adapter *adapter, struct e1000_rx_desc *rx_desc,
+ struct mbuf *mp)
{
/* 82543 or newer only */
- if ((adapter->hw.mac_type < em_82543) ||
+ if (adapter->hw.mac.type < e1000_82543 ||
/* Ignore Checksum bit is set */
- (rx_desc->status & E1000_RXD_STAT_IXSM)) {
- mp->m_pkthdr.csum_flags = 0;
+ (rx_desc->status & E1000_RXD_STAT_IXSM))
return;
- }
- if (rx_desc->status & E1000_RXD_STAT_IPCS) {
- /* Did it pass? */
- if (!(rx_desc->errors & E1000_RXD_ERR_IPE)) {
- /* IP Checksum Good */
- mp->m_pkthdr.csum_flags = CSUM_IP_CHECKED;
- mp->m_pkthdr.csum_flags |= CSUM_IP_VALID;
- } else {
- mp->m_pkthdr.csum_flags = 0;
- }
+ if ((rx_desc->status & E1000_RXD_STAT_IPCS) &&
+ !(rx_desc->errors & E1000_RXD_ERR_IPE)) {
+ /* IP Checksum Good */
+ mp->m_pkthdr.csum_flags |= CSUM_IP_CHECKED | CSUM_IP_VALID;
}
- if (rx_desc->status & E1000_RXD_STAT_TCPCS) {
- /* Did it pass? */
- if (!(rx_desc->errors & E1000_RXD_ERR_TCPE)) {
- mp->m_pkthdr.csum_flags |=
- (CSUM_DATA_VALID | CSUM_PSEUDO_HDR |
- CSUM_FRAG_NOT_CHECKED);
- mp->m_pkthdr.csum_data = htons(0xffff);
- }
+ if ((rx_desc->status & E1000_RXD_STAT_TCPCS) &&
+ !(rx_desc->errors & E1000_RXD_ERR_TCPE)) {
+ mp->m_pkthdr.csum_flags |= CSUM_DATA_VALID |
+ CSUM_PSEUDO_HDR |
+ CSUM_FRAG_NOT_CHECKED;
+ mp->m_pkthdr.csum_data = htons(0xffff);
}
}
-
-static void
-em_enable_vlans(struct adapter *adapter)
+static void
+em_enable_intr(struct adapter *adapter)
{
- uint32_t ctrl;
-
- E1000_WRITE_REG(&adapter->hw, VET, ETHERTYPE_VLAN);
-
- ctrl = E1000_READ_REG(&adapter->hw, CTRL);
- ctrl |= E1000_CTRL_VME;
- E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
+ lwkt_serialize_handler_enable(adapter->arpcom.ac_if.if_serializer);
+ E1000_WRITE_REG(&adapter->hw, E1000_IMS, IMS_ENABLE_MASK);
}
static void
-em_disable_vlans(struct adapter *adapter)
+em_disable_intr(struct adapter *adapter)
{
- uint32_t ctrl;
-
- ctrl = E1000_READ_REG(&adapter->hw, CTRL);
- ctrl &= ~E1000_CTRL_VME;
- E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);
+ E1000_WRITE_REG(&adapter->hw, E1000_IMC, 0xffffffff);
+ lwkt_serialize_handler_disable(adapter->arpcom.ac_if.if_serializer);
}
/*
- * note: we must call bus_enable_intr() prior to enabling the hardware
- * interrupt and bus_disable_intr() after disabling the hardware interrupt
- * in order to avoid handler execution races from scheduled interrupt
- * threads.
+ * Bit of a misnomer, what this really means is
+ * to enable OS management of the system... aka
+ * to disable special hardware management features
*/
static void
-em_enable_intr(struct adapter *adapter)
-{
- struct ifnet *ifp = &adapter->interface_data.ac_if;
-
- if ((ifp->if_flags & IFF_POLLING) == 0) {
- lwkt_serialize_handler_enable(ifp->if_serializer);
- E1000_WRITE_REG(&adapter->hw, IMS, (IMS_ENABLE_MASK));
+em_get_mgmt(struct adapter *adapter)
+{
+ /* A shared code workaround */
+#define E1000_82542_MANC2H E1000_MANC2H
+ if (adapter->has_manage) {
+ int manc2h = E1000_READ_REG(&adapter->hw, E1000_MANC2H);
+ int manc = E1000_READ_REG(&adapter->hw, E1000_MANC);
+
+ /* disable hardware interception of ARP */
+ manc &= ~(E1000_MANC_ARP_EN);
+
+ /* enable receiving management packets to the host */
+ if (adapter->hw.mac.type >= e1000_82571) {
+ manc |= E1000_MANC_EN_MNG2HOST;
+#define E1000_MNG2HOST_PORT_623 (1 << 5)
+#define E1000_MNG2HOST_PORT_664 (1 << 6)
+ manc2h |= E1000_MNG2HOST_PORT_623;
+ manc2h |= E1000_MNG2HOST_PORT_664;
+ E1000_WRITE_REG(&adapter->hw, E1000_MANC2H, manc2h);
+ }
+
+ E1000_WRITE_REG(&adapter->hw, E1000_MANC, manc);
}
}
+/*
+ * Give control back to hardware management
+ * controller if there is one.
+ */
static void
-em_disable_intr(struct adapter *adapter)
+em_rel_mgmt(struct adapter *adapter)
{
- /*
- * The first version of 82542 had an errata where when link was forced
- * it would stay up even up even if the cable was disconnected.
- * Sequence errors were used to detect the disconnect and then the
- * driver would unforce the link. This code in the in the ISR. For
- * this to work correctly the Sequence error interrupt had to be
- * enabled all the time.
- */
- if (adapter->hw.mac_type == em_82542_rev2_0) {
- E1000_WRITE_REG(&adapter->hw, IMC,
- (0xffffffff & ~E1000_IMC_RXSEQ));
- } else {
- E1000_WRITE_REG(&adapter->hw, IMC, 0xffffffff);
- }
+ if (adapter->has_manage) {
+ int manc = E1000_READ_REG(&adapter->hw, E1000_MANC);
- lwkt_serialize_handler_disable(adapter->interface_data.ac_if.if_serializer);
-}
+ /* re-enable hardware interception of ARP */
+ manc |= E1000_MANC_ARP_EN;
-static int
-em_is_valid_ether_addr(uint8_t *addr)
-{
- static const char zero_addr[6] = { 0, 0, 0, 0, 0, 0 };
+ if (adapter->hw.mac.type >= e1000_82571)
+ manc &= ~E1000_MANC_EN_MNG2HOST;
- if ((addr[0] & 1) || !bcmp(addr, zero_addr, ETHER_ADDR_LEN))
- return (FALSE);
- else
- return (TRUE);
+ E1000_WRITE_REG(&adapter->hw, E1000_MANC, manc);
+ }
}
-void
-em_write_pci_cfg(struct em_hw *hw, uint32_t reg, uint16_t *value)
+/*
+ * em_get_hw_control() sets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * For ASF and Pass Through versions of f/w this means that
+ * the driver is loaded. For AMT version (only with 82573)
+ * of the f/w this means that the network i/f is open.
+ */
+static void
+em_get_hw_control(struct adapter *adapter)
{
- pci_write_config(((struct em_osdep *)hw->back)->dev, reg, *value, 2);
-}
+ uint32_t ctrl_ext, swsm;
-void
-em_read_pci_cfg(struct em_hw *hw, uint32_t reg, uint16_t *value)
-{
- *value = pci_read_config(((struct em_osdep *)hw->back)->dev, reg, 2);
+ /* Let firmware know the driver has taken over */
+ switch (adapter->hw.mac.type) {
+ case e1000_82573:
+ swsm = E1000_READ_REG(&adapter->hw, E1000_SWSM);
+ E1000_WRITE_REG(&adapter->hw, E1000_SWSM,
+ swsm | E1000_SWSM_DRV_LOAD);
+ break;
+ case e1000_82571:
+ case e1000_82572:
+ case e1000_80003es2lan:
+ case e1000_ich8lan:
+ case e1000_ich9lan:
+ case e1000_ich10lan:
+ ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
+ E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT,
+ ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
+ break;
+ default:
+ break;
+ }
}
-void
-em_pci_set_mwi(struct em_hw *hw)
+/*
+ * em_rel_hw_control() resets {CTRL_EXT|FWSM}:DRV_LOAD bit.
+ * For ASF and Pass Through versions of f/w this means that the
+ * driver is no longer loaded. For AMT version (only with 82573)
+ * of the f/w this means that the network i/f is closed.
+ */
+static void
+em_rel_hw_control(struct adapter *adapter)
{
- pci_write_config(((struct em_osdep *)hw->back)->dev, PCIR_COMMAND,
- (hw->pci_cmd_word | CMD_MEM_WRT_INVALIDATE), 2);
-}
+ uint32_t ctrl_ext, swsm;
-void
-em_pci_clear_mwi(struct em_hw *hw)
-{
- pci_write_config(((struct em_osdep *)hw->back)->dev, PCIR_COMMAND,
- (hw->pci_cmd_word & ~CMD_MEM_WRT_INVALIDATE), 2);
-}
+ /* Let firmware taken over control of h/w */
+ switch (adapter->hw.mac.type) {
+ case e1000_82573:
+ swsm = E1000_READ_REG(&adapter->hw, E1000_SWSM);
+ E1000_WRITE_REG(&adapter->hw, E1000_SWSM,
+ swsm & ~E1000_SWSM_DRV_LOAD);
+ break;
-uint32_t
-em_io_read(struct em_hw *hw, unsigned long port)
-{
- struct em_osdep *io = hw->back;
+ case e1000_82571:
+ case e1000_82572:
+ case e1000_80003es2lan:
+ case e1000_ich8lan:
+ case e1000_ich9lan:
+ case e1000_ich10lan:
+ ctrl_ext = E1000_READ_REG(&adapter->hw, E1000_CTRL_EXT);
+ E1000_WRITE_REG(&adapter->hw, E1000_CTRL_EXT,
+ ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
+ break;
- return bus_space_read_4(io->io_bus_space_tag,
- io->io_bus_space_handle, port);
+ default:
+ break;
+ }
}
-void
-em_io_write(struct em_hw *hw, unsigned long port, uint32_t value)
+static int
+em_is_valid_eaddr(const uint8_t *addr)
{
- struct em_osdep *io = hw->back;
+ char zero_addr[ETHER_ADDR_LEN] = { 0, 0, 0, 0, 0, 0 };
+
+ if ((addr[0] & 1) || !bcmp(addr, zero_addr, ETHER_ADDR_LEN))
+ return (FALSE);
- bus_space_write_4(io->io_bus_space_tag,
- io->io_bus_space_handle, port, value);
+ return (TRUE);
}
/*
- * We may eventually really do this, but its unnecessary
- * for now so we just return unsupported.
+ * Enable PCI Wake On Lan capability
*/
-int32_t
-em_read_pcie_cap_reg(struct em_hw *hw, uint32_t reg, uint16_t *value)
+void
+em_enable_wol(device_t dev)
{
- return (0);
+ uint16_t cap, status;
+ uint8_t id;
+
+ /* First find the capabilities pointer*/
+ cap = pci_read_config(dev, PCIR_CAP_PTR, 2);
+
+ /* Read the PM Capabilities */
+ id = pci_read_config(dev, cap, 1);
+ if (id != PCIY_PMG) /* Something wrong */
+ return;
+
+ /*
+ * OK, we have the power capabilities,
+ * so now get the status register
+ */
+ cap += PCIR_POWER_STATUS;
+ status = pci_read_config(dev, cap, 2);
+ status |= PCIM_PSTAT_PME | PCIM_PSTAT_PMEENABLE;
+ pci_write_config(dev, cap, status, 2);
}
-/*********************************************************************
+/*
* 82544 Coexistence issue workaround.
* There are 2 issues.
- * 1. Transmit Hang issue.
+ * 1. Transmit Hang issue.
* To detect this issue, following equation can be used...
- * SIZE[3:0] + ADDR[2:0] = SUM[3:0].
- * If SUM[3:0] is in between 1 to 4, we will have this issue.
+ * SIZE[3:0] + ADDR[2:0] = SUM[3:0].
+ * If SUM[3:0] is in between 1 to 4, we will have this issue.
*
- * 2. DAC issue.
+ * 2. DAC issue.
* To detect this issue, following equation can be used...
- * SIZE[3:0] + ADDR[2:0] = SUM[3:0].
- * If SUM[3:0] is in between 9 to c, we will have this issue.
- *
+ * SIZE[3:0] + ADDR[2:0] = SUM[3:0].
+ * If SUM[3:0] is in between 9 to c, we will have this issue.
*
* WORKAROUND:
- * Make sure we do not have ending address as 1,2,3,4(Hang) or
- * 9,a,b,c (DAC)
- *
-*************************************************************************/
+ * Make sure we do not have ending address
+ * as 1,2,3,4(Hang) or 9,a,b,c (DAC)
+ */
static uint32_t
-em_fill_descriptors(bus_addr_t address, uint32_t length, PDESC_ARRAY desc_array)
+em_82544_fill_desc(bus_addr_t address, uint32_t length, PDESC_ARRAY desc_array)
{
- /* Since issue is sensitive to length and address.*/
- /* Let us first check the address...*/
uint32_t safe_terminator;
+
+ /*
+ * Since issue is sensitive to length and address.
+ * Let us first check the address...
+ */
if (length <= 4) {
desc_array->descriptor[0].address = address;
desc_array->descriptor[0].length = length;
desc_array->elements = 1;
return (desc_array->elements);
}
- safe_terminator = (uint32_t)((((uint32_t)address & 0x7) + (length & 0xF)) & 0xF);
- /* if it does not fall between 0x1 to 0x4 and 0x9 to 0xC then return */
+
+ safe_terminator =
+ (uint32_t)((((uint32_t)address & 0x7) + (length & 0xF)) & 0xF);
+
+ /* If it does not fall between 0x1 to 0x4 and 0x9 to 0xC then return */
if (safe_terminator == 0 ||
- (safe_terminator > 4 && safe_terminator < 9) ||
+ (safe_terminator > 4 && safe_terminator < 9) ||
(safe_terminator > 0xC && safe_terminator <= 0xF)) {
desc_array->descriptor[0].address = address;
desc_array->descriptor[0].length = length;
return (desc_array->elements);
}
-/**********************************************************************
- *
- * Update the board statistics counters.
- *
- **********************************************************************/
static void
-em_update_stats_counters(struct adapter *adapter)
-{
- struct ifnet *ifp;
-
- if (adapter->hw.media_type == em_media_type_copper ||
- (E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
- adapter->stats.symerrs += E1000_READ_REG(&adapter->hw, SYMERRS);
- adapter->stats.sec += E1000_READ_REG(&adapter->hw, SEC);
- }
- adapter->stats.crcerrs += E1000_READ_REG(&adapter->hw, CRCERRS);
- adapter->stats.mpc += E1000_READ_REG(&adapter->hw, MPC);
- adapter->stats.scc += E1000_READ_REG(&adapter->hw, SCC);
- adapter->stats.ecol += E1000_READ_REG(&adapter->hw, ECOL);
-
- adapter->stats.mcc += E1000_READ_REG(&adapter->hw, MCC);
- adapter->stats.latecol += E1000_READ_REG(&adapter->hw, LATECOL);
- adapter->stats.colc += E1000_READ_REG(&adapter->hw, COLC);
- adapter->stats.dc += E1000_READ_REG(&adapter->hw, DC);
- adapter->stats.rlec += E1000_READ_REG(&adapter->hw, RLEC);
- adapter->stats.xonrxc += E1000_READ_REG(&adapter->hw, XONRXC);
- adapter->stats.xontxc += E1000_READ_REG(&adapter->hw, XONTXC);
- adapter->stats.xoffrxc += E1000_READ_REG(&adapter->hw, XOFFRXC);
- adapter->stats.xofftxc += E1000_READ_REG(&adapter->hw, XOFFTXC);
- adapter->stats.fcruc += E1000_READ_REG(&adapter->hw, FCRUC);
- adapter->stats.prc64 += E1000_READ_REG(&adapter->hw, PRC64);
- adapter->stats.prc127 += E1000_READ_REG(&adapter->hw, PRC127);
- adapter->stats.prc255 += E1000_READ_REG(&adapter->hw, PRC255);
- adapter->stats.prc511 += E1000_READ_REG(&adapter->hw, PRC511);
- adapter->stats.prc1023 += E1000_READ_REG(&adapter->hw, PRC1023);
- adapter->stats.prc1522 += E1000_READ_REG(&adapter->hw, PRC1522);
- adapter->stats.gprc += E1000_READ_REG(&adapter->hw, GPRC);
- adapter->stats.bprc += E1000_READ_REG(&adapter->hw, BPRC);
- adapter->stats.mprc += E1000_READ_REG(&adapter->hw, MPRC);
- adapter->stats.gptc += E1000_READ_REG(&adapter->hw, GPTC);
+em_update_stats(struct adapter *adapter)
+{
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+
+ if (adapter->hw.phy.media_type == e1000_media_type_copper ||
+ (E1000_READ_REG(&adapter->hw, E1000_STATUS) & E1000_STATUS_LU)) {
+ adapter->stats.symerrs +=
+ E1000_READ_REG(&adapter->hw, E1000_SYMERRS);
+ adapter->stats.sec += E1000_READ_REG(&adapter->hw, E1000_SEC);
+ }
+ adapter->stats.crcerrs += E1000_READ_REG(&adapter->hw, E1000_CRCERRS);
+ adapter->stats.mpc += E1000_READ_REG(&adapter->hw, E1000_MPC);
+ adapter->stats.scc += E1000_READ_REG(&adapter->hw, E1000_SCC);
+ adapter->stats.ecol += E1000_READ_REG(&adapter->hw, E1000_ECOL);
+
+ adapter->stats.mcc += E1000_READ_REG(&adapter->hw, E1000_MCC);
+ adapter->stats.latecol += E1000_READ_REG(&adapter->hw, E1000_LATECOL);
+ adapter->stats.colc += E1000_READ_REG(&adapter->hw, E1000_COLC);
+ adapter->stats.dc += E1000_READ_REG(&adapter->hw, E1000_DC);
+ adapter->stats.rlec += E1000_READ_REG(&adapter->hw, E1000_RLEC);
+ adapter->stats.xonrxc += E1000_READ_REG(&adapter->hw, E1000_XONRXC);
+ adapter->stats.xontxc += E1000_READ_REG(&adapter->hw, E1000_XONTXC);
+ adapter->stats.xoffrxc += E1000_READ_REG(&adapter->hw, E1000_XOFFRXC);
+ adapter->stats.xofftxc += E1000_READ_REG(&adapter->hw, E1000_XOFFTXC);
+ adapter->stats.fcruc += E1000_READ_REG(&adapter->hw, E1000_FCRUC);
+ adapter->stats.prc64 += E1000_READ_REG(&adapter->hw, E1000_PRC64);
+ adapter->stats.prc127 += E1000_READ_REG(&adapter->hw, E1000_PRC127);
+ adapter->stats.prc255 += E1000_READ_REG(&adapter->hw, E1000_PRC255);
+ adapter->stats.prc511 += E1000_READ_REG(&adapter->hw, E1000_PRC511);
+ adapter->stats.prc1023 += E1000_READ_REG(&adapter->hw, E1000_PRC1023);
+ adapter->stats.prc1522 += E1000_READ_REG(&adapter->hw, E1000_PRC1522);
+ adapter->stats.gprc += E1000_READ_REG(&adapter->hw, E1000_GPRC);
+ adapter->stats.bprc += E1000_READ_REG(&adapter->hw, E1000_BPRC);
+ adapter->stats.mprc += E1000_READ_REG(&adapter->hw, E1000_MPRC);
+ adapter->stats.gptc += E1000_READ_REG(&adapter->hw, E1000_GPTC);
/* For the 64-bit byte counters the low dword must be read first. */
/* Both registers clear on the read of the high dword */
- adapter->stats.gorcl += E1000_READ_REG(&adapter->hw, GORCL);
- adapter->stats.gorch += E1000_READ_REG(&adapter->hw, GORCH);
- adapter->stats.gotcl += E1000_READ_REG(&adapter->hw, GOTCL);
- adapter->stats.gotch += E1000_READ_REG(&adapter->hw, GOTCH);
-
- adapter->stats.rnbc += E1000_READ_REG(&adapter->hw, RNBC);
- adapter->stats.ruc += E1000_READ_REG(&adapter->hw, RUC);
- adapter->stats.rfc += E1000_READ_REG(&adapter->hw, RFC);
- adapter->stats.roc += E1000_READ_REG(&adapter->hw, ROC);
- adapter->stats.rjc += E1000_READ_REG(&adapter->hw, RJC);
-
- adapter->stats.torl += E1000_READ_REG(&adapter->hw, TORL);
- adapter->stats.torh += E1000_READ_REG(&adapter->hw, TORH);
- adapter->stats.totl += E1000_READ_REG(&adapter->hw, TOTL);
- adapter->stats.toth += E1000_READ_REG(&adapter->hw, TOTH);
-
- adapter->stats.tpr += E1000_READ_REG(&adapter->hw, TPR);
- adapter->stats.tpt += E1000_READ_REG(&adapter->hw, TPT);
- adapter->stats.ptc64 += E1000_READ_REG(&adapter->hw, PTC64);
- adapter->stats.ptc127 += E1000_READ_REG(&adapter->hw, PTC127);
- adapter->stats.ptc255 += E1000_READ_REG(&adapter->hw, PTC255);
- adapter->stats.ptc511 += E1000_READ_REG(&adapter->hw, PTC511);
- adapter->stats.ptc1023 += E1000_READ_REG(&adapter->hw, PTC1023);
- adapter->stats.ptc1522 += E1000_READ_REG(&adapter->hw, PTC1522);
- adapter->stats.mptc += E1000_READ_REG(&adapter->hw, MPTC);
- adapter->stats.bptc += E1000_READ_REG(&adapter->hw, BPTC);
-
- if (adapter->hw.mac_type >= em_82543) {
+ adapter->stats.gorc += E1000_READ_REG(&adapter->hw, E1000_GORCH);
+ adapter->stats.gotc += E1000_READ_REG(&adapter->hw, E1000_GOTCH);
+
+ adapter->stats.rnbc += E1000_READ_REG(&adapter->hw, E1000_RNBC);
+ adapter->stats.ruc += E1000_READ_REG(&adapter->hw, E1000_RUC);
+ adapter->stats.rfc += E1000_READ_REG(&adapter->hw, E1000_RFC);
+ adapter->stats.roc += E1000_READ_REG(&adapter->hw, E1000_ROC);
+ adapter->stats.rjc += E1000_READ_REG(&adapter->hw, E1000_RJC);
+
+ adapter->stats.tor += E1000_READ_REG(&adapter->hw, E1000_TORH);
+ adapter->stats.tot += E1000_READ_REG(&adapter->hw, E1000_TOTH);
+
+ adapter->stats.tpr += E1000_READ_REG(&adapter->hw, E1000_TPR);
+ adapter->stats.tpt += E1000_READ_REG(&adapter->hw, E1000_TPT);
+ adapter->stats.ptc64 += E1000_READ_REG(&adapter->hw, E1000_PTC64);
+ adapter->stats.ptc127 += E1000_READ_REG(&adapter->hw, E1000_PTC127);
+ adapter->stats.ptc255 += E1000_READ_REG(&adapter->hw, E1000_PTC255);
+ adapter->stats.ptc511 += E1000_READ_REG(&adapter->hw, E1000_PTC511);
+ adapter->stats.ptc1023 += E1000_READ_REG(&adapter->hw, E1000_PTC1023);
+ adapter->stats.ptc1522 += E1000_READ_REG(&adapter->hw, E1000_PTC1522);
+ adapter->stats.mptc += E1000_READ_REG(&adapter->hw, E1000_MPTC);
+ adapter->stats.bptc += E1000_READ_REG(&adapter->hw, E1000_BPTC);
+
+ if (adapter->hw.mac.type >= e1000_82543) {
adapter->stats.algnerrc +=
- E1000_READ_REG(&adapter->hw, ALGNERRC);
+ E1000_READ_REG(&adapter->hw, E1000_ALGNERRC);
adapter->stats.rxerrc +=
- E1000_READ_REG(&adapter->hw, RXERRC);
+ E1000_READ_REG(&adapter->hw, E1000_RXERRC);
adapter->stats.tncrs +=
- E1000_READ_REG(&adapter->hw, TNCRS);
+ E1000_READ_REG(&adapter->hw, E1000_TNCRS);
adapter->stats.cexterr +=
- E1000_READ_REG(&adapter->hw, CEXTERR);
+ E1000_READ_REG(&adapter->hw, E1000_CEXTERR);
adapter->stats.tsctc +=
- E1000_READ_REG(&adapter->hw, TSCTC);
+ E1000_READ_REG(&adapter->hw, E1000_TSCTC);
adapter->stats.tsctfc +=
- E1000_READ_REG(&adapter->hw, TSCTFC);
+ E1000_READ_REG(&adapter->hw, E1000_TSCTFC);
}
- ifp = &adapter->interface_data.ac_if;
- /* Fill out the OS statistics structure */
ifp->if_collisions = adapter->stats.colc;
/* Rx Errors */
ifp->if_ierrors =
- adapter->dropped_pkts +
- adapter->stats.rxerrc +
- adapter->stats.crcerrs +
- adapter->stats.algnerrc +
- adapter->stats.ruc + adapter->stats.roc +
- adapter->stats.mpc + adapter->stats.cexterr +
- adapter->rx_overruns;
+ adapter->dropped_pkts + adapter->stats.rxerrc +
+ adapter->stats.crcerrs + adapter->stats.algnerrc +
+ adapter->stats.ruc + adapter->stats.roc +
+ adapter->stats.mpc + adapter->stats.cexterr;
/* Tx Errors */
- ifp->if_oerrors = adapter->stats.ecol + adapter->stats.latecol +
- adapter->watchdog_timeouts;
+ ifp->if_oerrors =
+ adapter->stats.ecol + adapter->stats.latecol +
+ adapter->watchdog_events;
}
-
-/**********************************************************************
- *
- * This routine is called only when em_display_debug_stats is enabled.
- * This routine provides a way to take a look at important statistics
- * maintained by the driver and hardware.
- *
- **********************************************************************/
static void
em_print_debug_info(struct adapter *adapter)
{
- device_t dev= adapter->dev;
+ device_t dev = adapter->dev;
uint8_t *hw_addr = adapter->hw.hw_addr;
device_printf(dev, "Adapter hardware address = %p \n", hw_addr);
- device_printf(dev, "CTRL = 0x%x RCTL = 0x%x\n",
- E1000_READ_REG(&adapter->hw, CTRL),
- E1000_READ_REG(&adapter->hw, RCTL));
- device_printf(dev, "Packet buffer = Tx=%dk Rx=%dk\n",
- ((E1000_READ_REG(&adapter->hw, PBA) & 0xffff0000) >> 16),
- (E1000_READ_REG(&adapter->hw, PBA) & 0xffff));
+ device_printf(dev, "CTRL = 0x%x RCTL = 0x%x \n",
+ E1000_READ_REG(&adapter->hw, E1000_CTRL),
+ E1000_READ_REG(&adapter->hw, E1000_RCTL));
+ device_printf(dev, "Packet buffer = Tx=%dk Rx=%dk \n",
+ ((E1000_READ_REG(&adapter->hw, E1000_PBA) & 0xffff0000) >> 16),\
+ (E1000_READ_REG(&adapter->hw, E1000_PBA) & 0xffff) );
device_printf(dev, "Flow control watermarks high = %d low = %d\n",
- adapter->hw.fc_high_water, adapter->hw.fc_low_water);
+ adapter->hw.fc.high_water,
+ adapter->hw.fc.low_water);
device_printf(dev, "tx_int_delay = %d, tx_abs_int_delay = %d\n",
- E1000_READ_REG(&adapter->hw, TIDV),
- E1000_READ_REG(&adapter->hw, TADV));
+ E1000_READ_REG(&adapter->hw, E1000_TIDV),
+ E1000_READ_REG(&adapter->hw, E1000_TADV));
device_printf(dev, "rx_int_delay = %d, rx_abs_int_delay = %d\n",
- E1000_READ_REG(&adapter->hw, RDTR),
- E1000_READ_REG(&adapter->hw, RADV));
+ E1000_READ_REG(&adapter->hw, E1000_RDTR),
+ E1000_READ_REG(&adapter->hw, E1000_RADV));
device_printf(dev, "fifo workaround = %lld, fifo_reset_count = %lld\n",
- (long long)adapter->tx_fifo_wrk_cnt,
- (long long)adapter->tx_fifo_reset_cnt);
+ (long long)adapter->tx_fifo_wrk_cnt,
+ (long long)adapter->tx_fifo_reset_cnt);
device_printf(dev, "hw tdh = %d, hw tdt = %d\n",
- E1000_READ_REG(&adapter->hw, TDH),
- E1000_READ_REG(&adapter->hw, TDT));
+ E1000_READ_REG(&adapter->hw, E1000_TDH(0)),
+ E1000_READ_REG(&adapter->hw, E1000_TDT(0)));
+ device_printf(dev, "hw rdh = %d, hw rdt = %d\n",
+ E1000_READ_REG(&adapter->hw, E1000_RDH(0)),
+ E1000_READ_REG(&adapter->hw, E1000_RDT(0)));
device_printf(dev, "Num Tx descriptors avail = %d\n",
- adapter->num_tx_desc_avail);
+ adapter->num_tx_desc_avail);
device_printf(dev, "Tx Descriptors not avail1 = %ld\n",
- adapter->no_tx_desc_avail1);
+ adapter->no_tx_desc_avail1);
device_printf(dev, "Tx Descriptors not avail2 = %ld\n",
- adapter->no_tx_desc_avail2);
+ adapter->no_tx_desc_avail2);
device_printf(dev, "Std mbuf failed = %ld\n",
- adapter->mbuf_alloc_failed);
+ adapter->mbuf_alloc_failed);
device_printf(dev, "Std mbuf cluster failed = %ld\n",
- adapter->mbuf_cluster_failed);
+ adapter->mbuf_cluster_failed);
device_printf(dev, "Driver dropped packets = %ld\n",
- adapter->dropped_pkts);
+ adapter->dropped_pkts);
+ device_printf(dev, "Driver tx dma failure in encap = %ld\n",
+ adapter->no_tx_dma_setup);
}
static void
em_print_hw_stats(struct adapter *adapter)
{
- device_t dev= adapter->dev;
+ device_t dev = adapter->dev;
device_printf(dev, "Excessive collisions = %lld\n",
- (long long)adapter->stats.ecol);
+ (long long)adapter->stats.ecol);
+#if (DEBUG_HW > 0) /* Dont output these errors normally */
device_printf(dev, "Symbol errors = %lld\n",
- (long long)adapter->stats.symerrs);
+ (long long)adapter->stats.symerrs);
+#endif
device_printf(dev, "Sequence errors = %lld\n",
- (long long)adapter->stats.sec);
+ (long long)adapter->stats.sec);
device_printf(dev, "Defer count = %lld\n",
- (long long)adapter->stats.dc);
-
+ (long long)adapter->stats.dc);
device_printf(dev, "Missed Packets = %lld\n",
- (long long)adapter->stats.mpc);
+ (long long)adapter->stats.mpc);
device_printf(dev, "Receive No Buffers = %lld\n",
- (long long)adapter->stats.rnbc);
+ (long long)adapter->stats.rnbc);
/* RLEC is inaccurate on some hardware, calculate our own. */
- device_printf(dev, "Receive Length errors = %lld\n",
- (long long)adapter->stats.roc +
- (long long)adapter->stats.ruc);
+ device_printf(dev, "Receive Length Errors = %lld\n",
+ ((long long)adapter->stats.roc + (long long)adapter->stats.ruc));
device_printf(dev, "Receive errors = %lld\n",
- (long long)adapter->stats.rxerrc);
+ (long long)adapter->stats.rxerrc);
device_printf(dev, "Crc errors = %lld\n",
- (long long)adapter->stats.crcerrs);
+ (long long)adapter->stats.crcerrs);
device_printf(dev, "Alignment errors = %lld\n",
- (long long)adapter->stats.algnerrc);
- device_printf(dev, "Carrier extension errors = %lld\n",
- (long long)adapter->stats.cexterr);
- device_printf(dev, "RX overruns = %lu\n", adapter->rx_overruns);
- device_printf(dev, "Watchdog timeouts = %lu\n",
- adapter->watchdog_timeouts);
-
+ (long long)adapter->stats.algnerrc);
+ device_printf(dev, "Collision/Carrier extension errors = %lld\n",
+ (long long)adapter->stats.cexterr);
+ device_printf(dev, "RX overruns = %ld\n", adapter->rx_overruns);
+ device_printf(dev, "watchdog timeouts = %ld\n",
+ adapter->watchdog_events);
device_printf(dev, "XON Rcvd = %lld\n",
- (long long)adapter->stats.xonrxc);
+ (long long)adapter->stats.xonrxc);
device_printf(dev, "XON Xmtd = %lld\n",
- (long long)adapter->stats.xontxc);
+ (long long)adapter->stats.xontxc);
device_printf(dev, "XOFF Rcvd = %lld\n",
- (long long)adapter->stats.xoffrxc);
+ (long long)adapter->stats.xoffrxc);
device_printf(dev, "XOFF Xmtd = %lld\n",
- (long long)adapter->stats.xofftxc);
-
+ (long long)adapter->stats.xofftxc);
device_printf(dev, "Good Packets Rcvd = %lld\n",
- (long long)adapter->stats.gprc);
+ (long long)adapter->stats.gprc);
device_printf(dev, "Good Packets Xmtd = %lld\n",
- (long long)adapter->stats.gptc);
+ (long long)adapter->stats.gptc);
+}
+
+static void
+em_print_nvm_info(struct adapter *adapter)
+{
+ uint16_t eeprom_data;
+ int i, j, row = 0;
+
+ /* Its a bit crude, but it gets the job done */
+ kprintf("\nInterface EEPROM Dump:\n");
+ kprintf("Offset\n0x0000 ");
+ for (i = 0, j = 0; i < 32; i++, j++) {
+ if (j == 8) { /* Make the offset block */
+ j = 0; ++row;
+ kprintf("\n0x00%x0 ",row);
+ }
+ e1000_read_nvm(&adapter->hw, i, 1, &eeprom_data);
+ kprintf("%04x ", eeprom_data);
+ }
+ kprintf("\n");
}
static int
em_sysctl_debug_info(SYSCTL_HANDLER_ARGS)
{
- int error;
- int result;
struct adapter *adapter;
+ struct ifnet *ifp;
+ int error, result;
result = -1;
error = sysctl_handle_int(oidp, &result, 0, req);
-
if (error || !req->newptr)
return (error);
- if (result == 1) {
- adapter = (struct adapter *)arg1;
+ adapter = (struct adapter *)arg1;
+ ifp = &adapter->arpcom.ac_if;
+
+ lwkt_serialize_enter(ifp->if_serializer);
+
+ if (result == 1)
em_print_debug_info(adapter);
- }
+
+ /*
+ * This value will cause a hex dump of the
+ * first 32 16-bit words of the EEPROM to
+ * the screen.
+ */
+ if (result == 2)
+ em_print_nvm_info(adapter);
+
+ lwkt_serialize_exit(ifp->if_serializer);
return (error);
}
static int
em_sysctl_stats(SYSCTL_HANDLER_ARGS)
{
- int error;
- int result;
- struct adapter *adapter;
+ int error, result;
result = -1;
error = sysctl_handle_int(oidp, &result, 0, req);
-
if (error || !req->newptr)
return (error);
if (result == 1) {
- adapter = (struct adapter *)arg1;
+ struct adapter *adapter = (struct adapter *)arg1;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+
+ lwkt_serialize_enter(ifp->if_serializer);
em_print_hw_stats(adapter);
+ lwkt_serialize_exit(ifp->if_serializer);
}
-
return (error);
}
{
struct em_int_delay_info *info;
struct adapter *adapter;
+ struct ifnet *ifp;
uint32_t regval;
- int error;
- int usecs;
- int ticks;
+ int error, usecs, ticks;
info = (struct em_int_delay_info *)arg1;
- adapter = info->adapter;
usecs = info->value;
error = sysctl_handle_int(oidp, &usecs, 0, req);
if (error != 0 || req->newptr == NULL)
return (error);
- if (usecs < 0 || usecs > E1000_TICKS_TO_USECS(65535))
+ if (usecs < 0 || usecs > EM_TICKS_TO_USECS(65535))
return (EINVAL);
info->value = usecs;
- ticks = E1000_USECS_TO_TICKS(usecs);
+ ticks = EM_USECS_TO_TICKS(usecs);
+
+ adapter = info->adapter;
+ ifp = &adapter->arpcom.ac_if;
+
+ lwkt_serialize_enter(ifp->if_serializer);
- lwkt_serialize_enter(adapter->interface_data.ac_if.if_serializer);
regval = E1000_READ_OFFSET(&adapter->hw, info->offset);
regval = (regval & ~0xffff) | (ticks & 0xffff);
/* Handle a few special cases. */
switch (info->offset) {
case E1000_RDTR:
- case E1000_82542_RDTR:
- regval |= E1000_RDT_FPDB;
break;
+
case E1000_TIDV:
- case E1000_82542_TIDV:
if (ticks == 0) {
adapter->txd_cmd &= ~E1000_TXD_CMD_IDE;
/* Don't write 0 into the TIDV register. */
regval++;
- } else
+ } else {
adapter->txd_cmd |= E1000_TXD_CMD_IDE;
+ }
break;
}
E1000_WRITE_OFFSET(&adapter->hw, info->offset, regval);
- lwkt_serialize_exit(adapter->interface_data.ac_if.if_serializer);
+
+ lwkt_serialize_exit(ifp->if_serializer);
return (0);
}
static void
em_add_int_delay_sysctl(struct adapter *adapter, const char *name,
- const char *description, struct em_int_delay_info *info,
- int offset, int value)
+ const char *description, struct em_int_delay_info *info,
+ int offset, int value)
{
info->adapter = adapter;
info->offset = offset;
info->value = value;
- SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
- SYSCTL_CHILDREN(adapter->sysctl_tree),
- OID_AUTO, name, CTLTYPE_INT|CTLFLAG_RW,
- info, 0, em_sysctl_int_delay, "I", description);
+
+ if (adapter->sysctl_tree != NULL) {
+ SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, name, CTLTYPE_INT|CTLFLAG_RW,
+ info, 0, em_sysctl_int_delay, "I", description);
+ }
+}
+
+static void
+em_add_sysctl(struct adapter *adapter)
+{
+#ifdef PROFILE_SERIALIZER
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+#endif
+
+ sysctl_ctx_init(&adapter->sysctl_ctx);
+ adapter->sysctl_tree = SYSCTL_ADD_NODE(&adapter->sysctl_ctx,
+ SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
+ device_get_nameunit(adapter->dev),
+ CTLFLAG_RD, 0, "");
+ if (adapter->sysctl_tree == NULL) {
+ device_printf(adapter->dev, "can't add sysctl node\n");
+ } else {
+ SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "debug", CTLTYPE_INT|CTLFLAG_RW, adapter, 0,
+ em_sysctl_debug_info, "I", "Debug Information");
+
+ SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "stats", CTLTYPE_INT|CTLFLAG_RW, adapter, 0,
+ em_sysctl_stats, "I", "Statistics");
+
+ SYSCTL_ADD_INT(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "rxd", CTLFLAG_RD,
+ &adapter->num_rx_desc, 0, NULL);
+ SYSCTL_ADD_INT(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "txd", CTLFLAG_RD,
+ &adapter->num_tx_desc, 0, NULL);
+
+#ifdef PROFILE_SERIALIZER
+ SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "serializer_sleep", CTLFLAG_RW,
+ &ifp->if_serializer->sleep_cnt, 0, NULL);
+ SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "serializer_tryfail", CTLFLAG_RW,
+ &ifp->if_serializer->tryfail_cnt, 0, NULL);
+ SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "serializer_enter", CTLFLAG_RW,
+ &ifp->if_serializer->enter_cnt, 0, NULL);
+ SYSCTL_ADD_UINT(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "serializer_try", CTLFLAG_RW,
+ &ifp->if_serializer->try_cnt, 0, NULL);
+#endif
+ if (adapter->hw.mac.type >= e1000_82540) {
+ SYSCTL_ADD_PROC(&adapter->sysctl_ctx,
+ SYSCTL_CHILDREN(adapter->sysctl_tree),
+ OID_AUTO, "int_throttle_ceil",
+ CTLTYPE_INT|CTLFLAG_RW, adapter, 0,
+ em_sysctl_int_throttle, "I",
+ "interrupt throttling rate");
+ }
+ }
+
+ /* Set up some sysctls for the tunable interrupt delays */
+ em_add_int_delay_sysctl(adapter, "rx_int_delay",
+ "receive interrupt delay in usecs", &adapter->rx_int_delay,
+ E1000_REGISTER(&adapter->hw, E1000_RDTR), em_rx_int_delay_dflt);
+ em_add_int_delay_sysctl(adapter, "tx_int_delay",
+ "transmit interrupt delay in usecs", &adapter->tx_int_delay,
+ E1000_REGISTER(&adapter->hw, E1000_TIDV), em_tx_int_delay_dflt);
+ if (adapter->hw.mac.type >= e1000_82540) {
+ em_add_int_delay_sysctl(adapter, "rx_abs_int_delay",
+ "receive interrupt delay limit in usecs",
+ &adapter->rx_abs_int_delay,
+ E1000_REGISTER(&adapter->hw, E1000_RADV),
+ em_rx_abs_int_delay_dflt);
+ em_add_int_delay_sysctl(adapter, "tx_abs_int_delay",
+ "transmit interrupt delay limit in usecs",
+ &adapter->tx_abs_int_delay,
+ E1000_REGISTER(&adapter->hw, E1000_TADV),
+ em_tx_abs_int_delay_dflt);
+ }
}
static int
em_sysctl_int_throttle(SYSCTL_HANDLER_ARGS)
{
struct adapter *adapter = (void *)arg1;
- int error;
- int throttle;
+ struct ifnet *ifp = &adapter->arpcom.ac_if;
+ int error, throttle;
- throttle = em_int_throttle_ceil;
+ throttle = adapter->int_throttle_ceil;
error = sysctl_handle_int(oidp, &throttle, 0, req);
if (error || req->newptr == NULL)
return error;
if (throttle < 0 || throttle > 1000000000 / 256)
return EINVAL;
+
+ lwkt_serialize_enter(ifp->if_serializer);
+
if (throttle) {
/*
* Set the interrupt throttling rate in 256ns increments,
* recalculate sysctl value assignment to get exact frequency.
*/
throttle = 1000000000 / 256 / throttle;
- lwkt_serialize_enter(adapter->interface_data.ac_if.if_serializer);
- em_int_throttle_ceil = 1000000000 / 256 / throttle;
- E1000_WRITE_REG(&adapter->hw, ITR, throttle);
- lwkt_serialize_exit(adapter->interface_data.ac_if.if_serializer);
+ adapter->int_throttle_ceil = 1000000000 / 256 / throttle;
} else {
- lwkt_serialize_enter(adapter->interface_data.ac_if.if_serializer);
- em_int_throttle_ceil = 0;
- E1000_WRITE_REG(&adapter->hw, ITR, 0);
- lwkt_serialize_exit(adapter->interface_data.ac_if.if_serializer);
+ adapter->int_throttle_ceil = 0;
+ }
+ E1000_WRITE_REG(&adapter->hw, E1000_ITR, throttle);
+
+ lwkt_serialize_exit(ifp->if_serializer);
+
+ if (bootverbose) {
+ if_printf(ifp, "Interrupt moderation set to %d/sec\n",
+ adapter->int_throttle_ceil);
}
- device_printf(adapter->dev, "Interrupt moderation set to %d/sec\n",
- em_int_throttle_ceil);
return 0;
}
projects / dragonfly.git / commitdiff