1 /*******************************************************************************
3 Copyright (c) 2006-2013, Myricom Inc.
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
12 2. Neither the name of the Myricom Inc, nor the names of its
13 contributors may be used to endorse or promote products derived from
14 this software without specific prior written permission.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 POSSIBILITY OF SUCH DAMAGE.
28 $FreeBSD: head/sys/dev/mxge/if_mxge_var.h 247160 2013-02-22 19:23:33Z gallatin $
30 ***************************************************************************/
32 #define MXGE_ETH_STOPPED 0
33 #define MXGE_ETH_STOPPING 1
34 #define MXGE_ETH_STARTING 2
35 #define MXGE_ETH_RUNNING 3
36 #define MXGE_ETH_OPEN_FAILED 4
38 #define MXGE_FW_OFFSET (1024*1024)
39 #define MXGE_EEPROM_STRINGS_SIZE 256
40 #define MXGE_MAX_SEND_DESC 128
42 #define MXGE_INTR_COAL_DELAY 150
58 struct mxge_rx_buffer_state {
63 struct mxge_tx_buffer_state {
70 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
71 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
72 struct mxge_rx_buffer_state *info;
74 bus_dmamap_t extra_map;
78 int mask; /* number of rx slots -1 */
86 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
87 volatile uint32_t *send_go; /* doorbell for sendq */
88 volatile uint32_t *send_stop; /* doorbell for sendq */
89 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
91 bus_dma_segment_t *seg_list;
92 struct mxge_tx_buffer_state *info;
94 int req; /* transmits submitted */
95 int mask; /* number of transmit slots -1 */
96 int done; /* transmits completed */
97 int pkt_done; /* packets completed */
98 int max_desc; /* max descriptors per xmit */
99 int queue_active; /* fw currently polling this queue*/
102 int stall; /* #times hw queue exhausted */
103 int wake; /* #times irq re-enabled xmit */
104 int watchdog_req; /* cache of req */
105 int watchdog_done; /* cache of done */
106 int watchdog_rx_pause; /* cache of pause rq recvd */
111 typedef struct mxge_softc mxge_softc_t;
113 struct mxge_slice_state {
115 mxge_tx_ring_t tx; /* transmit ring */
116 mxge_rx_ring_t rx_small;
117 mxge_rx_ring_t rx_big;
118 mxge_rx_done_t rx_done;
119 mcp_irq_data_t *fw_stats;
120 volatile uint32_t *irq_claim;
127 bus_dmamem_t fw_stats_dma;
128 struct sysctl_oid *sysctl_tree;
129 struct sysctl_ctx_list sysctl_ctx;
134 struct arpcom arpcom;
135 struct ifnet* ifp; /* points to arpcom.ac_if */
136 struct mxge_slice_state *ss;
137 int tx_boundary; /* boundary transmits cannot cross*/
138 bus_dma_tag_t parent_dmat;
139 volatile uint8_t *sram;
141 volatile uint32_t *irq_deassert;
142 mcp_cmd_response_t *cmd;
143 bus_dmamem_t cmd_dma;
144 bus_dmamem_t zeropad_dma;
145 struct pci_dev *pdev;
149 unsigned int rdma_tags_available;
151 volatile uint32_t *intr_coal_delay_ptr;
157 int watchdog_countdown;
159 struct resource *mem_res;
160 struct resource *irq_res;
161 struct resource **msix_irq_res;
162 struct resource *msix_table_res;
163 struct resource *msix_pba_res;
167 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
168 char fw_version[128];
172 int adopted_rx_filter_bug;
174 struct ifmedia media;
178 int fw_multicast_support;
184 int need_media_probe;
190 bus_dmamem_t dmabench_dma;
191 struct callout co_hdl;
192 struct sysctl_ctx_list sysctl_ctx;
193 struct sysctl_oid *sysctl_tree;
194 struct sysctl_oid *slice_sysctl_tree;
195 struct sysctl_ctx_list slice_sysctl_ctx;
196 char *mac_addr_string;
197 uint8_t mac_addr[6]; /* eeprom mac address */
198 uint16_t pectl; /* save PCIe CTL state */
199 char product_code_string[64];
200 char serial_number_string[64];
203 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1
204 #define MXGE_PCI_DEVICE_Z8E 0x0008
205 #define MXGE_PCI_DEVICE_Z8E_9 0x0009
206 #define MXGE_PCI_REV_Z8E 0
207 #define MXGE_PCI_REV_Z8ES 1
209 #define MXGE_XFP_COMPLIANCE_BYTE 131
210 #define MXGE_SFP_COMPLIANCE_BYTE 3
212 #define MXGE_MIN_THROTTLE 416
213 #define MXGE_MAX_THROTTLE 4096
215 /* Types of connectors on NICs supported by this driver */
221 #define MXGE_HIGHPART_TO_U32(X) \
222 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
223 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
225 struct mxge_media_type {
231 #if defined(__GNUC__)
232 #if defined(__i386__) || defined(__x86_64__)
233 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory")
235 #error "unknown arch"
238 #error "unknown compiler"
242 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
244 register volatile uintptr_t *to;
245 volatile uintptr_t *from;
248 to = (volatile uintptr_t *)to_v;
250 for (i = (size / sizeof(uintptr_t)); i; i--) {