1 /******************************************************************************* 2 3 Copyright (c) 2006-2009, Myricom Inc. 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, 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 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. 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 81 typedef 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 89 typedef 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 97 typedef struct 98 { 99 uint32_t data0; 100 uint32_t data1; 101 uint32_t data2; 102 } mxge_cmd_t; 103 104 struct mxge_rx_buffer_state { 105 struct mbuf *m; 106 bus_dmamap_t map; 107 }; 108 109 struct mxge_tx_buffer_state { 110 struct mbuf *m; 111 bus_dmamap_t map; 112 int flag; 113 }; 114 115 typedef 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; 129 130 typedef struct 131 { 132 #ifdef IFNET_BUF_RING 133 struct buf_ring *br; 134 #endif 135 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */ 136 volatile uint32_t *send_go; /* doorbell for sendq */ 137 volatile uint32_t *send_stop; /* doorbell for sendq */ 138 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */ 139 char *req_bytes; 140 bus_dma_segment_t *seg_list; 141 struct mxge_tx_buffer_state *info; 142 bus_dma_tag_t dmat; 143 int req; /* transmits submitted */ 144 int mask; /* number of transmit slots -1 */ 145 int done; /* transmits completed */ 146 int pkt_done; /* packets completed */ 147 int max_desc; /* max descriptors per xmit */ 148 int queue_active; /* fw currently polling this queue*/ 149 int activate; 150 int deactivate; 151 int stall; /* #times hw queue exhausted */ 152 int wake; /* #times irq re-enabled xmit */ 153 int watchdog_req; /* cache of req */ 154 int watchdog_done; /* cache of done */ 155 int watchdog_rx_pause; /* cache of pause rq recvd */ 156 int defrag; 157 } mxge_tx_ring_t; 158 159 struct lro_entry; 160 struct lro_entry 161 { 162 SLIST_ENTRY(lro_entry) next; 163 struct mbuf *m_head; 164 struct mbuf *m_tail; 165 int timestamp; 166 struct ip *ip; 167 uint32_t tsval; 168 uint32_t tsecr; 169 uint32_t source_ip; 170 uint32_t dest_ip; 171 uint32_t next_seq; 172 uint32_t ack_seq; 173 uint32_t len; 174 uint32_t data_csum; 175 uint16_t window; 176 uint16_t source_port; 177 uint16_t dest_port; 178 uint16_t append_cnt; 179 uint16_t mss; 180 181 }; 182 SLIST_HEAD(lro_head, lro_entry); 183 184 struct mxge_softc; 185 typedef struct mxge_softc mxge_softc_t; 186 187 struct mxge_slice_state { 188 mxge_softc_t *sc; 189 mxge_tx_ring_t tx; /* transmit ring */ 190 mxge_rx_ring_t rx_small; 191 mxge_rx_ring_t rx_big; 192 mxge_rx_done_t rx_done; 193 mcp_irq_data_t *fw_stats; 194 volatile uint32_t *irq_claim; 195 u_long ipackets; 196 u_long opackets; 197 u_long obytes; 198 u_long omcasts; 199 u_long oerrors; 200 int if_drv_flags; 201 struct lro_head lro_active; 202 struct lro_head lro_free; 203 int lro_queued; 204 int lro_flushed; 205 int lro_bad_csum; 206 mxge_dma_t fw_stats_dma; 207 struct sysctl_oid *sysctl_tree; 208 struct sysctl_ctx_list sysctl_ctx; 209 char scratch[256]; 210 }; 211 212 struct mxge_softc { 213 struct arpcom arpcom; 214 struct ifnet* ifp; /* points to arpcom.ac_if */ 215 struct mxge_slice_state *ss; 216 int csum_flag; /* rx_csums? */ 217 int tx_boundary; /* boundary transmits cannot cross*/ 218 int lro_cnt; 219 bus_dma_tag_t parent_dmat; 220 volatile uint8_t *sram; 221 int sram_size; 222 volatile uint32_t *irq_deassert; 223 mcp_cmd_response_t *cmd; 224 mxge_dma_t cmd_dma; 225 mxge_dma_t zeropad_dma; 226 struct pci_dev *pdev; 227 int legacy_irq; 228 int link_state; 229 unsigned int rdma_tags_available; 230 int intr_coal_delay; 231 volatile uint32_t *intr_coal_delay_ptr; 232 int wc; 233 int wake_queue; 234 int stop_queue; 235 int down_cnt; 236 int watchdog_resets; 237 int watchdog_countdown; 238 int pause; 239 struct resource *mem_res; 240 struct resource *irq_res; 241 struct resource **msix_irq_res; 242 struct resource *msix_table_res; 243 struct resource *msix_pba_res; 244 void *ih; 245 void **msix_ih; 246 char *fw_name; 247 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE]; 248 char fw_version[128]; 249 int fw_ver_major; 250 int fw_ver_minor; 251 int fw_ver_tiny; 252 int adopted_rx_filter_bug; 253 device_t dev; 254 struct ifmedia media; 255 int read_dma; 256 int write_dma; 257 int read_write_dma; 258 int fw_multicast_support; 259 int link_width; 260 int max_mtu; 261 int tx_defrag; 262 int media_flags; 263 int need_media_probe; 264 int num_slices; 265 int rx_ring_size; 266 int dying; 267 mxge_dma_t dmabench_dma; 268 struct callout co_hdl; 269 struct sysctl_ctx_list sysctl_ctx; 270 struct sysctl_oid *sysctl_tree; 271 struct sysctl_oid *slice_sysctl_tree; 272 struct sysctl_ctx_list slice_sysctl_ctx; 273 char *mac_addr_string; 274 uint8_t mac_addr[6]; /* eeprom mac address */ 275 char product_code_string[64]; 276 char serial_number_string[64]; 277 }; 278 279 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1 280 #define MXGE_PCI_DEVICE_Z8E 0x0008 281 #define MXGE_PCI_DEVICE_Z8E_9 0x0009 282 #define MXGE_PCI_REV_Z8E 0 283 #define MXGE_PCI_REV_Z8ES 1 284 #define MXGE_XFP_COMPLIANCE_BYTE 131 285 #define MXGE_SFP_COMPLIANCE_BYTE 3 286 287 #define MXGE_HIGHPART_TO_U32(X) \ 288 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0) 289 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X)) 290 291 struct mxge_media_type 292 { 293 int flag; 294 uint8_t bitmask; 295 char *name; 296 }; 297 298 /* implement our own memory barriers, since bus_space_barrier 299 cannot handle write-combining regions */ 300 301 #if __FreeBSD_version < 800053 302 303 #if defined (__GNUC__) 304 #if defined __i386 || defined i386 || defined __i386__ || defined __x86_64__ 305 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory") 306 #elif defined sparc64 || defined __sparcv9 307 #define wmb() __asm__ __volatile__ ("membar #MemIssue": : :"memory") 308 #elif defined sparc || defined __sparc__ 309 #define wmb() __asm__ __volatile__ ("stbar;": : :"memory") 310 #else 311 #define wmb() /* XXX just to make this compile */ 312 #endif 313 #else 314 #error "unknown compiler" 315 #endif 316 317 #endif 318 319 static inline void 320 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size) 321 { 322 register volatile uintptr_t *to; 323 volatile uintptr_t *from; 324 size_t i; 325 326 to = (volatile uintptr_t *) to_v; 327 from = from_v; 328 for (i = (size / sizeof (uintptr_t)); i; i--) { 329 *to = *from; 330 to++; 331 from++; 332 } 333 334 } 335 336 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro); 337 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head, 338 uint32_t csum); 339 340 341 342 /* 343 This file uses Myri10GE driver indentation. 344 345 Local Variables: 346 c-file-style:"linux" 347 tab-width:8 348 End: 349 */ 350