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 #define CONFIG_CHELSIO_T3_CORE 45 #include <common/cxgb_version.h> 46 47 #ifndef _CXGB_OSDEP_H_ 48 #define _CXGB_OSDEP_H_ 49 50 typedef struct adapter adapter_t; 51 typedef struct port_info pinfo_t; 52 struct sge_rspq; 53 54 enum { 55 TP_TMR_RES = 200, /* TP timer resolution in usec */ 56 MAX_NPORTS = 4, /* max # of ports */ 57 TP_SRAM_OFFSET = 4096, /* TP SRAM content offset in eeprom */ 58 TP_SRAM_LEN = 2112, /* TP SRAM content offset in eeprom */ 59 }; 60 61 struct t3_mbuf_hdr { 62 struct mbuf *mh_head; 63 struct mbuf *mh_tail; 64 }; 65 66 #ifndef PANIC_IF 67 #define PANIC_IF(exp) do { \ 68 if (exp) \ 69 panic("BUG: %s", #exp); \ 70 } while (0) 71 #endif 72 73 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif) 74 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri)) 75 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl)) 76 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header) 77 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len) 78 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag) 79 80 /* 81 * XXX FIXME 82 */ 83 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a)) 84 #define m_get_toep(m) ((m)->m_pkthdr.header) 85 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler)) 86 87 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a)) 88 #define m_get_socket(m) ((m)->m_pkthdr.header) 89 90 #define KTR_CXGB KTR_SPARE2 91 92 #define MT_DONTFREE 128 93 94 #if __FreeBSD_version > 700030 95 #define INTR_FILTERS 96 #define FIRMWARE_LATEST 97 #endif 98 99 #if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000)) 100 #define FIRMWARE_LATEST 101 #endif 102 103 #if __FreeBSD_version > 700000 104 #define MSI_SUPPORTED 105 #define TSO_SUPPORTED 106 #define VLAN_SUPPORTED 107 #define TASKQUEUE_CURRENT 108 #else 109 #define if_name(ifp) (ifp)->if_xname 110 #define M_SANITY(m, n) 111 #endif 112 113 #if __FreeBSD_version >= 701000 114 #include "opt_inet.h" 115 #ifdef INET 116 #define LRO_SUPPORTED 117 #define TOE_SUPPORTED 118 #endif 119 #endif 120 121 #if __FreeBSD_version < 800054 122 #if defined (__GNUC__) 123 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__ 124 #define mb() __asm__ __volatile__ ("mfence;": : :"memory") 125 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory") 126 #define rmb() __asm__ __volatile__ ("lfence;": : :"memory") 127 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 128 #define mb() __asm__ __volatile__ ("membar #MemIssue": : :"memory") 129 #define wmb() mb() 130 #define rmb() mb() 131 #elif #cpu(sparc) || defined sparc || defined __sparc__ 132 #define mb() __asm__ __volatile__ ("stbar;": : :"memory") 133 #define wmb() mb() 134 #define rmb() mb() 135 #else 136 #define wmb() mb() 137 #define rmb() mb() 138 #define mb() /* XXX just to make this compile */ 139 #endif 140 #else 141 #error "unknown compiler" 142 #endif 143 #endif 144 145 #define __read_mostly __attribute__((__section__(".data.read_mostly"))) 146 147 /* 148 * Workaround for weird Chelsio issue 149 */ 150 #if __FreeBSD_version > 700029 151 #define PRIV_SUPPORTED 152 #endif 153 154 #define CXGB_TX_CLEANUP_THRESHOLD 32 155 156 157 #ifdef DEBUG_PRINT 158 #define DPRINTF printf 159 #else 160 #define DPRINTF(...) 161 #endif 162 163 #define TX_MAX_SIZE (1 << 16) /* 64KB */ 164 #define TX_MAX_SEGS 36 /* maximum supported by card */ 165 166 #define TX_MAX_DESC 4 /* max descriptors per packet */ 167 168 169 #define TX_START_MAX_DESC (TX_MAX_DESC << 2) /* 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 #if defined(__i386__) || defined(__amd64__) 181 182 static __inline 183 void prefetch(void *x) 184 { 185 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); 186 } 187 188 #define smp_mb() mb() 189 190 #define L1_CACHE_BYTES 128 191 extern void kdb_backtrace(void); 192 193 #define WARN_ON(condition) do { \ 194 if (__predict_false((condition)!=0)) { \ 195 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ 196 kdb_backtrace(); \ 197 } \ 198 } while (0) 199 200 #else 201 #define smp_mb() 202 #define prefetch(x) 203 #define L1_CACHE_BYTES 32 204 #endif 205 206 #define DBG_RX (1 << 0) 207 static const int debug_flags = DBG_RX; 208 209 #ifdef DEBUG_PRINT 210 #define DBG(flag, msg) do { \ 211 if ((flag & debug_flags)) \ 212 printf msg; \ 213 } while (0) 214 #else 215 #define DBG(...) 216 #endif 217 218 #include <sys/syslog.h> 219 220 #define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC) 221 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI) 222 223 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__) 224 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__) 225 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__) 226 227 #define t3_os_sleep(x) DELAY((x) * 1000) 228 229 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit))) 230 231 #define max_t(type, a, b) (type)max((a), (b)) 232 #define net_device ifnet 233 #define cpu_to_be32 htobe32 234 235 /* Standard PHY definitions */ 236 #define BMCR_LOOPBACK BMCR_LOOP 237 #define BMCR_ISOLATE BMCR_ISO 238 #define BMCR_ANENABLE BMCR_AUTOEN 239 #define BMCR_SPEED1000 BMCR_SPEED1 240 #define BMCR_SPEED100 BMCR_SPEED0 241 #define BMCR_ANRESTART BMCR_STARTNEG 242 #define BMCR_FULLDPLX BMCR_FDX 243 #define BMSR_LSTATUS BMSR_LINK 244 #define BMSR_ANEGCOMPLETE BMSR_ACOMP 245 246 #define MII_LPA MII_ANLPAR 247 #define MII_ADVERTISE MII_ANAR 248 #define MII_CTRL1000 MII_100T2CR 249 250 #define ADVERTISE_PAUSE_CAP ANAR_FC 251 #define ADVERTISE_PAUSE_ASYM 0x800 252 #define ADVERTISE_PAUSE ANAR_FC 253 #define ADVERTISE_1000HALF 0x100 254 #define ADVERTISE_1000FULL 0x200 255 #define ADVERTISE_10FULL ANAR_10_FD 256 #define ADVERTISE_10HALF ANAR_10 257 #define ADVERTISE_100FULL ANAR_TX_FD 258 #define ADVERTISE_100HALF ANAR_TX 259 260 261 #define ADVERTISE_1000XHALF ANAR_X_HD 262 #define ADVERTISE_1000XFULL ANAR_X_FD 263 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM 264 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM 265 266 #define ADVERTISE_CSMA ANAR_CSMA 267 #define ADVERTISE_NPAGE ANAR_NP 268 269 270 /* Standard PCI Extended Capabilities definitions */ 271 #define PCI_CAP_ID_VPD PCIY_VPD 272 #define PCI_VPD_ADDR PCIR_VPD_ADDR 273 #define PCI_VPD_ADDR_F 0x8000 274 #define PCI_VPD_DATA PCIR_VPD_DATA 275 276 #define PCI_CAP_ID_EXP PCIY_EXPRESS 277 #define PCI_EXP_DEVCTL PCIR_EXPRESS_DEVICE_CTL 278 #define PCI_EXP_DEVCTL_PAYLOAD PCIM_EXP_CTL_MAX_PAYLOAD 279 #define PCI_EXP_DEVCTL_READRQ PCIM_EXP_CTL_MAX_READ_REQUEST 280 #define PCI_EXP_LNKCTL PCIR_EXPRESS_LINK_CTL 281 #define PCI_EXP_LNKSTA PCIR_EXPRESS_LINK_STA 282 283 /* 284 * Linux compatibility macros 285 */ 286 287 /* Some simple translations */ 288 #define __devinit 289 #define udelay(x) DELAY(x) 290 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 291 #define le32_to_cpu(x) le32toh(x) 292 #define le16_to_cpu(x) le16toh(x) 293 #define cpu_to_le32(x) htole32(x) 294 #define swab32(x) bswap32(x) 295 #define simple_strtoul strtoul 296 297 298 #ifndef LINUX_TYPES_DEFINED 299 typedef uint8_t u8; 300 typedef uint16_t u16; 301 typedef uint32_t u32; 302 typedef uint64_t u64; 303 304 typedef uint8_t __u8; 305 typedef uint16_t __u16; 306 typedef uint32_t __u32; 307 typedef uint8_t __be8; 308 typedef uint16_t __be16; 309 typedef uint32_t __be32; 310 typedef uint64_t __be64; 311 #endif 312 313 314 #if BYTE_ORDER == BIG_ENDIAN 315 #define __BIG_ENDIAN_BITFIELD 316 #elif BYTE_ORDER == LITTLE_ENDIAN 317 #define __LITTLE_ENDIAN_BITFIELD 318 #else 319 #error "Must set BYTE_ORDER" 320 #endif 321 322 /* Indicates what features are supported by the interface. */ 323 #define SUPPORTED_10baseT_Half (1 << 0) 324 #define SUPPORTED_10baseT_Full (1 << 1) 325 #define SUPPORTED_100baseT_Half (1 << 2) 326 #define SUPPORTED_100baseT_Full (1 << 3) 327 #define SUPPORTED_1000baseT_Half (1 << 4) 328 #define SUPPORTED_1000baseT_Full (1 << 5) 329 #define SUPPORTED_Autoneg (1 << 6) 330 #define SUPPORTED_TP (1 << 7) 331 #define SUPPORTED_AUI (1 << 8) 332 #define SUPPORTED_MII (1 << 9) 333 #define SUPPORTED_FIBRE (1 << 10) 334 #define SUPPORTED_BNC (1 << 11) 335 #define SUPPORTED_10000baseT_Full (1 << 12) 336 #define SUPPORTED_Pause (1 << 13) 337 #define SUPPORTED_Asym_Pause (1 << 14) 338 339 /* Indicates what features are advertised by the interface. */ 340 #define ADVERTISED_10baseT_Half (1 << 0) 341 #define ADVERTISED_10baseT_Full (1 << 1) 342 #define ADVERTISED_100baseT_Half (1 << 2) 343 #define ADVERTISED_100baseT_Full (1 << 3) 344 #define ADVERTISED_1000baseT_Half (1 << 4) 345 #define ADVERTISED_1000baseT_Full (1 << 5) 346 #define ADVERTISED_Autoneg (1 << 6) 347 #define ADVERTISED_TP (1 << 7) 348 #define ADVERTISED_AUI (1 << 8) 349 #define ADVERTISED_MII (1 << 9) 350 #define ADVERTISED_FIBRE (1 << 10) 351 #define ADVERTISED_BNC (1 << 11) 352 #define ADVERTISED_10000baseT_Full (1 << 12) 353 #define ADVERTISED_Pause (1 << 13) 354 #define ADVERTISED_Asym_Pause (1 << 14) 355 356 /* Enable or disable autonegotiation. If this is set to enable, 357 * the forced link modes above are completely ignored. 358 */ 359 #define AUTONEG_DISABLE 0x00 360 #define AUTONEG_ENABLE 0x01 361 362 #define SPEED_10 10 363 #define SPEED_100 100 364 #define SPEED_1000 1000 365 #define SPEED_10000 10000 366 #define DUPLEX_HALF 0 367 #define DUPLEX_FULL 1 368 369 #endif 370