1 /******************************************************************************* 2 3 Copyright (c) 2006-2013, 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 $FreeBSD$ 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 #if (__FreeBSD_version < 1000020) 54 #undef IF_Kbps 55 #undef IF_Mbps 56 #undef IF_Gbps 57 #define IF_Kbps(x) ((uintmax_t)(x) * 1000) /* kilobits/sec. */ 58 #define IF_Mbps(x) (IF_Kbps((x) * 1000)) /* megabits/sec. */ 59 #define IF_Gbps(x) (IF_Mbps((x) * 1000)) /* gigabits/sec. */ 60 #endif 61 62 #ifndef VLAN_CAPABILITIES 63 #define VLAN_CAPABILITIES(ifp) 64 #define mxge_vlans_active(sc) (sc)->ifp->if_nvlans 65 #else 66 #define mxge_vlans_active(sc) (sc)->ifp->if_vlantrunk 67 #endif 68 69 #ifndef VLAN_TAG_VALUE 70 #define MXGE_NEW_VLAN_API 71 #endif 72 73 #ifndef IFCAP_LRO 74 #define IFCAP_LRO 0 75 #endif 76 77 #ifndef IFCAP_TSO 78 #define IFCAP_TSO 0 79 #endif 80 81 #ifndef IFCAP_TSO4 82 #define IFCAP_TSO4 0 83 #endif 84 85 #ifndef IFCAP_TSO6 86 #define IFCAP_TSO6 0 87 #endif 88 89 #ifndef IFCAP_TXCSUM_IPV6 90 #define IFCAP_TXCSUM_IPV6 0 91 #endif 92 93 #ifndef IFCAP_RXCSUM_IPV6 94 #define IFCAP_RXCSUM_IPV6 0 95 #endif 96 97 #ifndef CSUM_TSO 98 #define CSUM_TSO 0 99 #endif 100 101 #ifndef CSUM_TCP_IPV6 102 #define CSUM_TCP_IPV6 0 103 #endif 104 105 #ifndef CSUM_UDP_IPV6 106 #define CSUM_UDP_IPV6 0 107 #endif 108 109 #ifndef CSUM_DELAY_DATA_IPV6 110 #define CSUM_DELAY_DATA_IPV6 0 111 #endif 112 113 typedef struct { 114 void *addr; 115 bus_addr_t bus_addr; 116 bus_dma_tag_t dmat; 117 bus_dmamap_t map; 118 } mxge_dma_t; 119 120 121 typedef struct { 122 mcp_slot_t *entry; 123 mxge_dma_t dma; 124 int cnt; 125 int idx; 126 int mask; 127 } mxge_rx_done_t; 128 129 typedef struct 130 { 131 uint32_t data0; 132 uint32_t data1; 133 uint32_t data2; 134 } mxge_cmd_t; 135 136 struct mxge_rx_buffer_state { 137 struct mbuf *m; 138 bus_dmamap_t map; 139 }; 140 141 struct mxge_tx_buffer_state { 142 struct mbuf *m; 143 bus_dmamap_t map; 144 int flag; 145 }; 146 147 typedef struct 148 { 149 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */ 150 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */ 151 struct mxge_rx_buffer_state *info; 152 bus_dma_tag_t dmat; 153 bus_dmamap_t extra_map; 154 int cnt; 155 int nbufs; 156 int cl_size; 157 int alloc_fail; 158 int mask; /* number of rx slots -1 */ 159 int mlen; 160 } mxge_rx_ring_t; 161 162 typedef struct 163 { 164 struct mtx mtx; 165 #ifdef IFNET_BUF_RING 166 struct buf_ring *br; 167 #endif 168 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */ 169 volatile uint32_t *send_go; /* doorbell for sendq */ 170 volatile uint32_t *send_stop; /* doorbell for sendq */ 171 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */ 172 char *req_bytes; 173 bus_dma_segment_t *seg_list; 174 struct mxge_tx_buffer_state *info; 175 bus_dma_tag_t dmat; 176 int req; /* transmits submitted */ 177 int mask; /* number of transmit slots -1 */ 178 int done; /* transmits completed */ 179 int pkt_done; /* packets completed */ 180 int max_desc; /* max descriptors per xmit */ 181 int queue_active; /* fw currently polling this queue*/ 182 int activate; 183 int deactivate; 184 int stall; /* #times hw queue exhausted */ 185 int wake; /* #times irq re-enabled xmit */ 186 int watchdog_req; /* cache of req */ 187 int watchdog_done; /* cache of done */ 188 int watchdog_rx_pause; /* cache of pause rq recvd */ 189 int defrag; 190 char mtx_name[16]; 191 } mxge_tx_ring_t; 192 193 struct mxge_softc; 194 typedef struct mxge_softc mxge_softc_t; 195 196 struct mxge_slice_state { 197 mxge_softc_t *sc; 198 mxge_tx_ring_t tx; /* transmit ring */ 199 mxge_rx_ring_t rx_small; 200 mxge_rx_ring_t rx_big; 201 mxge_rx_done_t rx_done; 202 mcp_irq_data_t *fw_stats; 203 volatile uint32_t *irq_claim; 204 u_long ipackets; 205 u_long opackets; 206 u_long obytes; 207 u_long omcasts; 208 u_long oerrors; 209 int if_drv_flags; 210 struct lro_ctrl lc; 211 mxge_dma_t fw_stats_dma; 212 struct sysctl_oid *sysctl_tree; 213 struct sysctl_ctx_list sysctl_ctx; 214 char scratch[256]; 215 }; 216 217 struct mxge_softc { 218 struct ifnet* ifp; 219 struct mxge_slice_state *ss; 220 int tx_boundary; /* boundary transmits cannot cross*/ 221 int lro_cnt; 222 bus_dma_tag_t parent_dmat; 223 volatile uint8_t *sram; 224 int sram_size; 225 volatile uint32_t *irq_deassert; 226 mcp_cmd_response_t *cmd; 227 mxge_dma_t cmd_dma; 228 mxge_dma_t zeropad_dma; 229 struct pci_dev *pdev; 230 int legacy_irq; 231 int link_state; 232 unsigned int rdma_tags_available; 233 int intr_coal_delay; 234 volatile uint32_t *intr_coal_delay_ptr; 235 int wc; 236 struct mtx cmd_mtx; 237 struct mtx driver_mtx; 238 int wake_queue; 239 int stop_queue; 240 int down_cnt; 241 int watchdog_resets; 242 int watchdog_countdown; 243 int pause; 244 struct resource *mem_res; 245 struct resource *irq_res; 246 struct resource **msix_irq_res; 247 struct resource *msix_table_res; 248 struct resource *msix_pba_res; 249 void *ih; 250 void **msix_ih; 251 char *fw_name; 252 char eeprom_strings[MXGE_EEPROM_STRINGS_SIZE]; 253 char fw_version[128]; 254 int fw_ver_major; 255 int fw_ver_minor; 256 int fw_ver_tiny; 257 int adopted_rx_filter_bug; 258 device_t dev; 259 struct ifmedia media; 260 int read_dma; 261 int write_dma; 262 int read_write_dma; 263 int fw_multicast_support; 264 int link_width; 265 int max_mtu; 266 int throttle; 267 int tx_defrag; 268 int media_flags; 269 int need_media_probe; 270 int num_slices; 271 int rx_ring_size; 272 int dying; 273 int connector; 274 int current_media; 275 int max_tso6_hlen; 276 mxge_dma_t dmabench_dma; 277 struct callout co_hdl; 278 struct taskqueue *tq; 279 struct task watchdog_task; 280 struct sysctl_oid *slice_sysctl_tree; 281 struct sysctl_ctx_list slice_sysctl_ctx; 282 char *mac_addr_string; 283 uint8_t mac_addr[6]; /* eeprom mac address */ 284 uint16_t pectl; /* save PCIe CTL state */ 285 char product_code_string[64]; 286 char serial_number_string[64]; 287 char cmd_mtx_name[16]; 288 char driver_mtx_name[16]; 289 }; 290 291 #define MXGE_PCI_VENDOR_MYRICOM 0x14c1 292 #define MXGE_PCI_DEVICE_Z8E 0x0008 293 #define MXGE_PCI_DEVICE_Z8E_9 0x0009 294 #define MXGE_PCI_REV_Z8E 0 295 #define MXGE_PCI_REV_Z8ES 1 296 #define MXGE_XFP_COMPLIANCE_BYTE 131 297 #define MXGE_SFP_COMPLIANCE_BYTE 3 298 #define MXGE_MIN_THROTTLE 416 299 #define MXGE_MAX_THROTTLE 4096 300 301 /* Types of connectors on NICs supported by this driver */ 302 #define MXGE_CX4 0 303 #define MXGE_XFP 1 304 #define MXGE_SFP 2 305 #define MXGE_QRF 3 306 307 #define MXGE_HIGHPART_TO_U32(X) \ 308 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0) 309 #define MXGE_LOWPART_TO_U32(X) ((uint32_t)(X)) 310 311 struct mxge_media_type 312 { 313 int flag; 314 uint8_t bitmask; 315 char *name; 316 }; 317 318 struct mxge_pkt_info { 319 int ip_off; 320 int ip_hlen; 321 struct ip *ip; 322 struct ip6_hdr *ip6; 323 struct tcphdr *tcp; 324 }; 325 326 327 /* implement our own memory barriers, since bus_space_barrier 328 cannot handle write-combining regions */ 329 330 #if __FreeBSD_version < 800053 331 332 #if defined (__GNUC__) 333 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__ 334 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory") 335 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 336 #define wmb() __asm__ __volatile__ ("membar #MemIssue": : :"memory") 337 #elif #cpu(sparc) || defined sparc || defined __sparc__ 338 #define wmb() __asm__ __volatile__ ("stbar;": : :"memory") 339 #else 340 #define wmb() /* XXX just to make this compile */ 341 #endif 342 #else 343 #error "unknown compiler" 344 #endif 345 346 #endif 347 348 static inline void 349 mxge_pio_copy(volatile void *to_v, void *from_v, size_t size) 350 { 351 register volatile uintptr_t *to; 352 volatile uintptr_t *from; 353 size_t i; 354 355 to = (volatile uintptr_t *) to_v; 356 from = from_v; 357 for (i = (size / sizeof (uintptr_t)); i; i--) { 358 *to = *from; 359 to++; 360 from++; 361 } 362 363 } 364 365 void mxge_lro_flush(struct mxge_slice_state *ss, struct lro_entry *lro); 366 int mxge_lro_rx(struct mxge_slice_state *ss, struct mbuf *m_head, 367 uint32_t csum); 368 369 370 371 /* 372 This file uses Myri10GE driver indentation. 373 374 Local Variables: 375 c-file-style:"linux" 376 tab-width:8 377 End: 378 */ 379