1 /************************************************************************** 2 3 Copyright (c) 2007, Chelsio 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 Chelsio Corporation 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 29 $FreeBSD$ 30 31 ***************************************************************************/ 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/ctype.h> 36 #include <sys/endian.h> 37 #include <sys/bus.h> 38 39 #include <sys/lock.h> 40 #include <sys/mutex.h> 41 42 #include <dev/mii/mii.h> 43 44 #include <common/cxgb_version.h> 45 #include <cxgb_config.h> 46 47 #ifndef _CXGB_OSDEP_H_ 48 #define _CXGB_OSDEP_H_ 49 50 typedef struct adapter adapter_t; 51 struct sge_rspq; 52 53 enum { 54 TP_TMR_RES = 200, /* TP timer resolution in usec */ 55 MAX_NPORTS = 4, /* max # of ports */ 56 TP_SRAM_OFFSET = 4096, /* TP SRAM content offset in eeprom */ 57 TP_SRAM_LEN = 2112, /* TP SRAM content offset in eeprom */ 58 }; 59 60 struct t3_mbuf_hdr { 61 struct mbuf *mh_head; 62 struct mbuf *mh_tail; 63 }; 64 65 #ifndef PANIC_IF 66 #define PANIC_IF(exp) do { \ 67 if (exp) \ 68 panic("BUG: %s", #exp); \ 69 } while (0) 70 #endif 71 72 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif) 73 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri)) 74 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl)) 75 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header) 76 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len) 77 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag) 78 79 /* 80 * XXX FIXME 81 */ 82 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a)) 83 #define m_get_toep(m) ((m)->m_pkthdr.header) 84 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler)) 85 86 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a)) 87 #define m_get_socket(m) ((m)->m_pkthdr.header) 88 89 #define KTR_CXGB KTR_SPARE2 90 91 #define MT_DONTFREE 128 92 93 #if __FreeBSD_version > 700030 94 #define INTR_FILTERS 95 #define FIRMWARE_LATEST 96 #endif 97 98 #if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000)) 99 #define FIRMWARE_LATEST 100 #endif 101 102 #if __FreeBSD_version > 700000 103 #define MSI_SUPPORTED 104 #define TSO_SUPPORTED 105 #define VLAN_SUPPORTED 106 #define TASKQUEUE_CURRENT 107 #else 108 #define if_name(ifp) (ifp)->if_xname 109 #define M_SANITY(m, n) 110 #endif 111 112 #if __FreeBSD_version >= 701000 113 #include "opt_inet.h" 114 #ifdef INET 115 #define LRO_SUPPORTED 116 #endif 117 #define TOE_SUPPORTED 118 #endif 119 120 #if __FreeBSD_version < 800054 121 #if defined (__GNUC__) 122 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__ 123 #define mb() __asm__ __volatile__ ("mfence;": : :"memory") 124 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory") 125 #define rmb() __asm__ __volatile__ ("lfence;": : :"memory") 126 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 127 #define mb() __asm__ __volatile__ ("membar #MemIssue": : :"memory") 128 #define wmb() mb() 129 #define rmb() mb() 130 #elif #cpu(sparc) || defined sparc || defined __sparc__ 131 #define mb() __asm__ __volatile__ ("stbar;": : :"memory") 132 #define wmb() mb() 133 #define rmb() mb() 134 #else 135 #define wmb() mb() 136 #define rmb() mb() 137 #define mb() /* XXX just to make this compile */ 138 #endif 139 #else 140 #error "unknown compiler" 141 #endif 142 #endif 143 144 #define __read_mostly __attribute__((__section__(".data.read_mostly"))) 145 146 /* 147 * Workaround for weird Chelsio issue 148 */ 149 #if __FreeBSD_version > 700029 150 #define PRIV_SUPPORTED 151 #endif 152 153 #define CXGB_TX_CLEANUP_THRESHOLD 32 154 155 156 #ifdef DEBUG_PRINT 157 #define DPRINTF printf 158 #else 159 #define DPRINTF(...) 160 #endif 161 162 #define TX_MAX_SIZE (1 << 16) /* 64KB */ 163 #define TX_MAX_SEGS 36 /* maximum supported by card */ 164 165 #define TX_MAX_DESC 4 /* max descriptors per packet */ 166 167 168 #define TX_START_MIN_DESC (TX_MAX_DESC << 2) 169 #define TX_START_MAX_DESC (TX_MAX_DESC << 3) /* maximum number of descriptors 170 * call to start used per */ 171 172 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors 173 * to clean per iteration */ 174 #define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single 175 * TX WR 176 */ 177 #define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be 178 * aggregated into a single TX WR 179 */ 180 181 182 #if defined(__i386__) || defined(__amd64__) 183 #define smp_mb() mb() 184 185 #define L1_CACHE_BYTES 128 186 static __inline 187 void prefetch(void *x) 188 { 189 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); 190 } 191 192 extern void kdb_backtrace(void); 193 194 #define WARN_ON(condition) do { \ 195 if (__predict_false((condition)!=0)) { \ 196 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ 197 kdb_backtrace(); \ 198 } \ 199 } while (0) 200 201 202 #else /* !i386 && !amd64 */ 203 #define smp_mb() 204 #define prefetch(x) 205 #define L1_CACHE_BYTES 32 206 #endif 207 208 #define DBG_RX (1 << 0) 209 static const int debug_flags = DBG_RX; 210 211 #ifdef DEBUG_PRINT 212 #define DBG(flag, msg) do { \ 213 if ((flag & debug_flags)) \ 214 printf msg; \ 215 } while (0) 216 #else 217 #define DBG(...) 218 #endif 219 220 #include <sys/syslog.h> 221 222 #define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC) 223 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI) 224 225 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__) 226 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__) 227 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__) 228 229 #define t3_os_sleep(x) DELAY((x) * 1000) 230 231 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit))) 232 233 #define max_t(type, a, b) (type)max((a), (b)) 234 #define net_device ifnet 235 #define cpu_to_be32 htobe32 236 237 /* Standard PHY definitions */ 238 #define BMCR_LOOPBACK BMCR_LOOP 239 #define BMCR_ISOLATE BMCR_ISO 240 #define BMCR_ANENABLE BMCR_AUTOEN 241 #define BMCR_SPEED1000 BMCR_SPEED1 242 #define BMCR_SPEED100 BMCR_SPEED0 243 #define BMCR_ANRESTART BMCR_STARTNEG 244 #define BMCR_FULLDPLX BMCR_FDX 245 #define BMSR_LSTATUS BMSR_LINK 246 #define BMSR_ANEGCOMPLETE BMSR_ACOMP 247 248 #define MII_LPA MII_ANLPAR 249 #define MII_ADVERTISE MII_ANAR 250 #define MII_CTRL1000 MII_100T2CR 251 252 #define ADVERTISE_PAUSE_CAP ANAR_FC 253 #define ADVERTISE_PAUSE_ASYM ANAR_X_PAUSE_ASYM 254 #define ADVERTISE_PAUSE ANAR_X_PAUSE_SYM 255 #define ADVERTISE_1000HALF ANAR_X_HD 256 #define ADVERTISE_1000FULL ANAR_X_FD 257 #define ADVERTISE_10FULL ANAR_10_FD 258 #define ADVERTISE_10HALF ANAR_10 259 #define ADVERTISE_100FULL ANAR_TX_FD 260 #define ADVERTISE_100HALF ANAR_TX 261 262 263 #define ADVERTISE_1000XHALF ANAR_X_HD 264 #define ADVERTISE_1000XFULL ANAR_X_FD 265 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM 266 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM 267 268 #define ADVERTISE_CSMA ANAR_CSMA 269 #define ADVERTISE_NPAGE ANAR_NP 270 271 272 /* Standard PCI Extended Capaibilities definitions */ 273 #define PCI_CAP_ID_VPD 0x03 274 #define PCI_VPD_ADDR 2 275 #define PCI_VPD_ADDR_F 0x8000 276 #define PCI_VPD_DATA 4 277 278 #define PCI_CAP_ID_EXP 0x10 279 #define PCI_EXP_DEVCTL 8 280 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 281 #define PCI_EXP_LNKCTL 16 282 #define PCI_EXP_LNKSTA 18 283 284 /* 285 * Linux compatibility macros 286 */ 287 288 /* Some simple translations */ 289 #define __devinit 290 #define udelay(x) DELAY(x) 291 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 292 #define le32_to_cpu(x) le32toh(x) 293 #define le16_to_cpu(x) le16toh(x) 294 #define cpu_to_le32(x) htole32(x) 295 #define swab32(x) bswap32(x) 296 #define simple_strtoul strtoul 297 298 299 #ifndef LINUX_TYPES_DEFINED 300 typedef uint8_t u8; 301 typedef uint16_t u16; 302 typedef uint32_t u32; 303 typedef uint64_t u64; 304 305 typedef uint8_t __u8; 306 typedef uint16_t __u16; 307 typedef uint32_t __u32; 308 typedef uint8_t __be8; 309 typedef uint16_t __be16; 310 typedef uint32_t __be32; 311 typedef uint64_t __be64; 312 #endif 313 314 315 #if BYTE_ORDER == BIG_ENDIAN 316 #define __BIG_ENDIAN_BITFIELD 317 #elif BYTE_ORDER == LITTLE_ENDIAN 318 #define __LITTLE_ENDIAN_BITFIELD 319 #else 320 #error "Must set BYTE_ORDER" 321 #endif 322 323 /* Indicates what features are supported by the interface. */ 324 #define SUPPORTED_10baseT_Half (1 << 0) 325 #define SUPPORTED_10baseT_Full (1 << 1) 326 #define SUPPORTED_100baseT_Half (1 << 2) 327 #define SUPPORTED_100baseT_Full (1 << 3) 328 #define SUPPORTED_1000baseT_Half (1 << 4) 329 #define SUPPORTED_1000baseT_Full (1 << 5) 330 #define SUPPORTED_Autoneg (1 << 6) 331 #define SUPPORTED_TP (1 << 7) 332 #define SUPPORTED_AUI (1 << 8) 333 #define SUPPORTED_MII (1 << 9) 334 #define SUPPORTED_FIBRE (1 << 10) 335 #define SUPPORTED_BNC (1 << 11) 336 #define SUPPORTED_10000baseT_Full (1 << 12) 337 #define SUPPORTED_Pause (1 << 13) 338 #define SUPPORTED_Asym_Pause (1 << 14) 339 340 /* Indicates what features are advertised by the interface. */ 341 #define ADVERTISED_10baseT_Half (1 << 0) 342 #define ADVERTISED_10baseT_Full (1 << 1) 343 #define ADVERTISED_100baseT_Half (1 << 2) 344 #define ADVERTISED_100baseT_Full (1 << 3) 345 #define ADVERTISED_1000baseT_Half (1 << 4) 346 #define ADVERTISED_1000baseT_Full (1 << 5) 347 #define ADVERTISED_Autoneg (1 << 6) 348 #define ADVERTISED_TP (1 << 7) 349 #define ADVERTISED_AUI (1 << 8) 350 #define ADVERTISED_MII (1 << 9) 351 #define ADVERTISED_FIBRE (1 << 10) 352 #define ADVERTISED_BNC (1 << 11) 353 #define ADVERTISED_10000baseT_Full (1 << 12) 354 #define ADVERTISED_Pause (1 << 13) 355 #define ADVERTISED_Asym_Pause (1 << 14) 356 357 /* Enable or disable autonegotiation. If this is set to enable, 358 * the forced link modes above are completely ignored. 359 */ 360 #define AUTONEG_DISABLE 0x00 361 #define AUTONEG_ENABLE 0x01 362 363 #define SPEED_10 10 364 #define SPEED_100 100 365 #define SPEED_1000 1000 366 #define SPEED_10000 10000 367 #define DUPLEX_HALF 0 368 #define DUPLEX_FULL 1 369 370 #endif 371