get mxge to build, stage 8/many
[dragonfly.git] / sys / dev / netif / mxge / if_mxge_var.h
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1/*******************************************************************************
2
3Copyright (c) 2006-2009, Myricom Inc.
4All rights reserved.
5
6Redistribution and use in source and binary forms, with or without
7modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
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.
15
16THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26POSSIBILITY OF SUCH DAMAGE.
27
28$FreeBSD: src/sys/dev/mxge/if_mxge_var.h,v 1.30 2009/06/24 21:09:56 gallatin Exp $
29
30***************************************************************************/
31
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
37
38#define MXGE_FW_OFFSET 1024*1024
39#define MXGE_EEPROM_STRINGS_SIZE 256
40#define MXGE_MAX_SEND_DESC 128
41
42#if ((__FreeBSD_version > 800000 && __FreeBSD_version < 800005) \
43 || __FreeBSD_version < 700111)
44#define MXGE_VIRT_JUMBOS 1
45#else
46#define MXGE_VIRT_JUMBOS 0
47#endif
48
49#if (__FreeBSD_version > 800082)
50#define IFNET_BUF_RING 1
51#endif
52
53#ifndef VLAN_CAPABILITIES
54#define VLAN_CAPABILITIES(ifp)
55#define mxge_vlans_active(sc) (sc)->ifp->if_nvlans
56#else
57#define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk
58#endif
59
60#ifndef VLAN_TAG_VALUE
61#define MXGE_NEW_VLAN_API
62#endif
63
64#ifndef IFCAP_LRO
65#define IFCAP_LRO 0
66#endif
67
68#ifndef IFCAP_TSO
69#define IFCAP_TSO 0
70#endif
71
72#ifndef IFCAP_TSO4
73#define IFCAP_TSO4 0
74#endif
75
76#ifndef CSUM_TSO
77#define CSUM_TSO 0
78#endif
79
80
81typedef struct {
82 void *addr;
83 bus_addr_t bus_addr;
84 bus_dma_tag_t dmat;
85 bus_dmamap_t map;
86} mxge_dma_t;
87
88
89typedef struct {
90 mcp_slot_t *entry;
91 mxge_dma_t dma;
92 int cnt;
93 int idx;
94 int mask;
95} mxge_rx_done_t;
96
97typedef struct
98{
99 uint32_t data0;
100 uint32_t data1;
101 uint32_t data2;
102} mxge_cmd_t;
103
104struct mxge_rx_buffer_state {
105 struct mbuf *m;
106 bus_dmamap_t map;
107};
108
109struct mxge_tx_buffer_state {
110 struct mbuf *m;
111 bus_dmamap_t map;
112 int flag;
113};
114
115typedef struct
116{
117 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */
118 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */
119 struct mxge_rx_buffer_state *info;
120 bus_dma_tag_t dmat;
121 bus_dmamap_t extra_map;
122 int cnt;
123 int nbufs;
124 int cl_size;
125 int alloc_fail;
126 int mask; /* number of rx slots -1 */
127 int mlen;
128} mxge_rx_ring_t;
129
130typedef struct
131{
b3535a6f 132 struct lock lock;
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133#ifdef IFNET_BUF_RING
134 struct buf_ring *br;
135#endif
136 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */
137 volatile uint32_t *send_go; /* doorbell for sendq */
138 volatile uint32_t *send_stop; /* doorbell for sendq */
139 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */
140 char *req_bytes;
141 bus_dma_segment_t *seg_list;
142 struct mxge_tx_buffer_state *info;
143 bus_dma_tag_t dmat;
144 int req; /* transmits submitted */
145 int mask; /* number of transmit slots -1 */
146 int done; /* transmits completed */
147 int pkt_done; /* packets completed */
148 int max_desc; /* max descriptors per xmit */
149 int queue_active; /* fw currently polling this queue*/
150 int activate;
151 int deactivate;
152 int stall; /* #times hw queue exhausted */
153 int wake; /* #times irq re-enabled xmit */
154 int watchdog_req; /* cache of req */
155 int watchdog_done; /* cache of done */
156 int watchdog_rx_pause; /* cache of pause rq recvd */
157 int defrag;
b3535a6f 158 char lock_name[16];
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159} mxge_tx_ring_t;
160
161struct lro_entry;
162struct lro_entry
163{
164 SLIST_ENTRY(lro_entry) next;
165 struct mbuf *m_head;
166 struct mbuf *m_tail;
167 int timestamp;
168 struct ip *ip;
169 uint32_t tsval;
170 uint32_t tsecr;
171 uint32_t source_ip;
172 uint32_t dest_ip;
173 uint32_t next_seq;
174 uint32_t ack_seq;
175 uint32_t len;
176 uint32_t data_csum;
177 uint16_t window;
178 uint16_t source_port;
179 uint16_t dest_port;
180 uint16_t append_cnt;
181 uint16_t mss;
182
183};
184SLIST_HEAD(lro_head, lro_entry);
185
186struct mxge_softc;
187typedef struct mxge_softc mxge_softc_t;
188
189struct mxge_slice_state {
190 mxge_softc_t *sc;
191 mxge_tx_ring_t tx; /* transmit ring */
192 mxge_rx_ring_t rx_small;
193 mxge_rx_ring_t rx_big;
194 mxge_rx_done_t rx_done;
195 mcp_irq_data_t *fw_stats;
196 volatile uint32_t *irq_claim;
197 u_long ipackets;
198 u_long opackets;
199 u_long obytes;
200 u_long omcasts;
201 u_long oerrors;
202 int if_drv_flags;
203 struct lro_head lro_active;
204 struct lro_head lro_free;
205 int lro_queued;
206 int lro_flushed;
207 int lro_bad_csum;
208 mxge_dma_t fw_stats_dma;
209 struct sysctl_oid *sysctl_tree;
210 struct sysctl_ctx_list sysctl_ctx;
211 char scratch[256];
212};
213
214struct mxge_softc {
215 struct ifnet* ifp;
216 struct mxge_slice_state *ss;
217 int csum_flag; /* rx_csums? */
218 int tx_boundary; /* boundary transmits cannot cross*/
219 int lro_cnt;
220 bus_dma_tag_t parent_dmat;
221 volatile uint8_t *sram;
222 int sram_size;
223 volatile uint32_t *irq_deassert;
224 mcp_cmd_response_t *cmd;
225 mxge_dma_t cmd_dma;
226 mxge_dma_t zeropad_dma;
227 struct pci_dev *pdev;
228 int legacy_irq;
229 int link_state;
230 unsigned int rdma_tags_available;
231 int intr_coal_delay;
232 volatile uint32_t *intr_coal_delay_ptr;
233 int wc;
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234 struct lock cmd_lock;
235 struct lock driver_lock;
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236 int wake_queue;
237 int stop_queue;
238 int down_cnt;
239 int watchdog_resets;
240 int watchdog_countdown;
241 int pause;
242 struct resource *mem_res;
243 struct resource *irq_res;
244 struct resource **msix_irq_res;
245 struct resource *msix_table_res;
246 struct resource *msix_pba_res;
247 void *ih;
248 void **msix_ih;
249 char *fw_name;
250 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE];
251 char fw_version[128];
252 int fw_ver_major;
253 int fw_ver_minor;
254 int fw_ver_tiny;
255 int adopted_rx_filter_bug;
256 device_t dev;
257 struct ifmedia media;
258 int read_dma;
259 int write_dma;
260 int read_write_dma;
261 int fw_multicast_support;
262 int link_width;
263 int max_mtu;
264 int tx_defrag;
265 int media_flags;
266 int need_media_probe;
267 int num_slices;
268 int rx_ring_size;
269 int dying;
270 mxge_dma_t dmabench_dma;
271 struct callout co_hdl;
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272 struct sysctl_ctx_list sysctl_ctx;
273 struct sysctl_oid *sysctl_tree;
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274 struct sysctl_oid *slice_sysctl_tree;
275 struct sysctl_ctx_list slice_sysctl_ctx;
276 char *mac_addr_string;
277 uint8_t mac_addr[6]; /* eeprom mac address */
278 char product_code_string[64];
279 char serial_number_string[64];
b3535a6f 280 char cmd_lock_name[16];
e0a4850b 281 char driver_lock_name[16];
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282};
283
284#define MXGE_PCI_VENDOR_MYRICOM 0x14c1
285#define MXGE_PCI_DEVICE_Z8E 0x0008
286#define MXGE_PCI_DEVICE_Z8E_9 0x0009
287#define MXGE_PCI_REV_Z8E 0
288#define MXGE_PCI_REV_Z8ES 1
289#define MXGE_XFP_COMPLIANCE_BYTE 131
290#define MXGE_SFP_COMPLIANCE_BYTE 3
291
292#define MXGE_HIGHPART_TO_U32(X) \
293(sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0)
294#define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X))
295
296struct mxge_media_type
297{
298 int flag;
299 uint8_t bitmask;
300 char *name;
301};
302
303/* implement our own memory barriers, since bus_space_barrier
304 cannot handle write-combining regions */
305
306#if __FreeBSD_version < 800053
307
308#if defined (__GNUC__)
309 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__
310 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory")
311 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9
312 #define wmb() __asm__ __volatile__ ("membar #MemIssue": : :"memory")
313 #elif #cpu(sparc) || defined sparc || defined __sparc__
314 #define wmb() __asm__ __volatile__ ("stbar;": : :"memory")
315 #else
316 #define wmb() /* XXX just to make this compile */
317 #endif
318#else
319 #error "unknown compiler"
320#endif
321
322#endif
323
324static inline void
325mxge_pio_copy(volatile void *to_v, void *from_v, size_t size)
326{
327 register volatile uintptr_t *to;
328 volatile uintptr_t *from;
329 size_t i;
330
331 to = (volatile uintptr_t *) to_v;
332 from = from_v;
333 for (i = (size / sizeof (uintptr_t)); i; i--) {
334 *to = *from;
335 to++;
336 from++;
337 }
338
339}
340
341void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro);
342int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head,
343 uint32_t csum);
344
345
346
347/*
348 This file uses Myri10GE driver indentation.
349
350 Local Variables:
351 c-file-style:"linux"
352 tab-width:8
353 End:
354*/