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 #ifndef _CXGB_OSDEP_H_ 45 #define _CXGB_OSDEP_H_ 46 47 typedef struct adapter adapter_t; 48 typedef struct port_info pinfo_t; 49 struct sge_rspq; 50 51 enum { 52 TP_TMR_RES = 200, /* TP timer resolution in usec */ 53 MAX_NPORTS = 4, /* max # of ports */ 54 TP_SRAM_OFFSET = 4096, /* TP SRAM content offset in eeprom */ 55 TP_SRAM_LEN = 2112, /* TP SRAM content offset in eeprom */ 56 }; 57 58 struct t3_mbuf_hdr { 59 struct mbuf *mh_head; 60 struct mbuf *mh_tail; 61 }; 62 63 #ifndef PANIC_IF 64 #define PANIC_IF(exp) do { \ 65 if (exp) \ 66 panic("BUG: %s", #exp); \ 67 } while (0) 68 #endif 69 70 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif) 71 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri)) 72 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl)) 73 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header) 74 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len) 75 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag) 76 77 /* 78 * XXX FIXME 79 */ 80 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a)) 81 #define m_get_toep(m) ((m)->m_pkthdr.header) 82 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler)) 83 84 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a)) 85 #define m_get_socket(m) ((m)->m_pkthdr.header) 86 87 #define KTR_CXGB KTR_SPARE2 88 89 #define MT_DONTFREE 128 90 91 #if __FreeBSD_version < 800054 92 #if defined (__GNUC__) 93 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__ 94 #define mb() __asm__ __volatile__ ("mfence;": : :"memory") 95 #define wmb() __asm__ __volatile__ ("sfence;": : :"memory") 96 #define rmb() __asm__ __volatile__ ("lfence;": : :"memory") 97 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 98 #define mb() __asm__ __volatile__ ("membar #MemIssue": : :"memory") 99 #define wmb() mb() 100 #define rmb() mb() 101 #elif #cpu(sparc) || defined sparc || defined __sparc__ 102 #define mb() __asm__ __volatile__ ("stbar;": : :"memory") 103 #define wmb() mb() 104 #define rmb() mb() 105 #else 106 #define wmb() mb() 107 #define rmb() mb() 108 #define mb() /* XXX just to make this compile */ 109 #endif 110 #else 111 #error "unknown compiler" 112 #endif 113 #endif 114 115 #define __read_mostly __attribute__((__section__(".data.read_mostly"))) 116 117 /* 118 * Workaround for weird Chelsio issue 119 */ 120 #if __FreeBSD_version > 700029 121 #define PRIV_SUPPORTED 122 #endif 123 124 #define CXGB_TX_CLEANUP_THRESHOLD 32 125 126 127 #ifdef DEBUG_PRINT 128 #define DPRINTF printf 129 #else 130 #define DPRINTF(...) 131 #endif 132 133 #define TX_MAX_SIZE (1 << 16) /* 64KB */ 134 #define TX_MAX_SEGS 36 /* maximum supported by card */ 135 136 #define TX_MAX_DESC 4 /* max descriptors per packet */ 137 138 139 #define TX_START_MAX_DESC (TX_MAX_DESC << 2) /* maximum number of descriptors 140 * call to start used per */ 141 142 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors 143 * to clean per iteration */ 144 #define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single 145 * TX WR 146 */ 147 #define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be 148 * aggregated into a single TX WR 149 */ 150 #if defined(__i386__) || defined(__amd64__) 151 152 static __inline 153 void prefetch(void *x) 154 { 155 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); 156 } 157 158 #define smp_mb() mb() 159 160 #define L1_CACHE_BYTES 128 161 extern void kdb_backtrace(void); 162 163 #define WARN_ON(condition) do { \ 164 if (__predict_false((condition)!=0)) { \ 165 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ 166 kdb_backtrace(); \ 167 } \ 168 } while (0) 169 170 #else 171 #define smp_mb() 172 #define prefetch(x) 173 #define L1_CACHE_BYTES 32 174 #endif 175 176 #define DBG_RX (1 << 0) 177 static const int debug_flags = DBG_RX; 178 179 #ifdef DEBUG_PRINT 180 #define DBG(flag, msg) do { \ 181 if ((flag & debug_flags)) \ 182 printf msg; \ 183 } while (0) 184 #else 185 #define DBG(...) 186 #endif 187 188 #include <sys/syslog.h> 189 190 #define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC) 191 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI) 192 193 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__) 194 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__) 195 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__) 196 197 #define t3_os_sleep(x) DELAY((x) * 1000) 198 199 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit))) 200 201 #define max_t(type, a, b) (type)max((a), (b)) 202 #define net_device ifnet 203 #define cpu_to_be32 htobe32 204 205 /* Standard PHY definitions */ 206 #define BMCR_LOOPBACK BMCR_LOOP 207 #define BMCR_ISOLATE BMCR_ISO 208 #define BMCR_ANENABLE BMCR_AUTOEN 209 #define BMCR_SPEED1000 BMCR_SPEED1 210 #define BMCR_SPEED100 BMCR_SPEED0 211 #define BMCR_ANRESTART BMCR_STARTNEG 212 #define BMCR_FULLDPLX BMCR_FDX 213 #define BMSR_LSTATUS BMSR_LINK 214 #define BMSR_ANEGCOMPLETE BMSR_ACOMP 215 216 #define MII_LPA MII_ANLPAR 217 #define MII_ADVERTISE MII_ANAR 218 #define MII_CTRL1000 MII_100T2CR 219 220 #define ADVERTISE_PAUSE_CAP ANAR_FC 221 #define ADVERTISE_PAUSE_ASYM 0x800 222 #define ADVERTISE_PAUSE ANAR_FC 223 #define ADVERTISE_1000HALF 0x100 224 #define ADVERTISE_1000FULL 0x200 225 #define ADVERTISE_10FULL ANAR_10_FD 226 #define ADVERTISE_10HALF ANAR_10 227 #define ADVERTISE_100FULL ANAR_TX_FD 228 #define ADVERTISE_100HALF ANAR_TX 229 230 231 #define ADVERTISE_1000XHALF ANAR_X_HD 232 #define ADVERTISE_1000XFULL ANAR_X_FD 233 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM 234 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM 235 236 #define ADVERTISE_CSMA ANAR_CSMA 237 #define ADVERTISE_NPAGE ANAR_NP 238 239 240 /* Standard PCI Extended Capabilities definitions */ 241 #define PCI_CAP_ID_VPD PCIY_VPD 242 #define PCI_VPD_ADDR PCIR_VPD_ADDR 243 #define PCI_VPD_ADDR_F 0x8000 244 #define PCI_VPD_DATA PCIR_VPD_DATA 245 246 #define PCI_CAP_ID_EXP PCIY_EXPRESS 247 #define PCI_EXP_DEVCTL PCIR_EXPRESS_DEVICE_CTL 248 #define PCI_EXP_DEVCTL_PAYLOAD PCIM_EXP_CTL_MAX_PAYLOAD 249 #define PCI_EXP_DEVCTL_READRQ PCIM_EXP_CTL_MAX_READ_REQUEST 250 #define PCI_EXP_LNKCTL PCIR_EXPRESS_LINK_CTL 251 #define PCI_EXP_LNKSTA PCIR_EXPRESS_LINK_STA 252 253 /* 254 * Linux compatibility macros 255 */ 256 257 /* Some simple translations */ 258 #define __devinit 259 #define udelay(x) DELAY(x) 260 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 261 #define le32_to_cpu(x) le32toh(x) 262 #define le16_to_cpu(x) le16toh(x) 263 #define cpu_to_le32(x) htole32(x) 264 #define swab32(x) bswap32(x) 265 #define simple_strtoul strtoul 266 267 268 #ifndef LINUX_TYPES_DEFINED 269 typedef uint8_t u8; 270 typedef uint16_t u16; 271 typedef uint32_t u32; 272 typedef uint64_t u64; 273 274 typedef uint8_t __u8; 275 typedef uint16_t __u16; 276 typedef uint32_t __u32; 277 typedef uint8_t __be8; 278 typedef uint16_t __be16; 279 typedef uint32_t __be32; 280 typedef uint64_t __be64; 281 #endif 282 283 284 #if BYTE_ORDER == BIG_ENDIAN 285 #define __BIG_ENDIAN_BITFIELD 286 #elif BYTE_ORDER == LITTLE_ENDIAN 287 #define __LITTLE_ENDIAN_BITFIELD 288 #else 289 #error "Must set BYTE_ORDER" 290 #endif 291 292 /* Indicates what features are supported by the interface. */ 293 #define SUPPORTED_10baseT_Half (1 << 0) 294 #define SUPPORTED_10baseT_Full (1 << 1) 295 #define SUPPORTED_100baseT_Half (1 << 2) 296 #define SUPPORTED_100baseT_Full (1 << 3) 297 #define SUPPORTED_1000baseT_Half (1 << 4) 298 #define SUPPORTED_1000baseT_Full (1 << 5) 299 #define SUPPORTED_Autoneg (1 << 6) 300 #define SUPPORTED_TP (1 << 7) 301 #define SUPPORTED_AUI (1 << 8) 302 #define SUPPORTED_MII (1 << 9) 303 #define SUPPORTED_FIBRE (1 << 10) 304 #define SUPPORTED_BNC (1 << 11) 305 #define SUPPORTED_10000baseT_Full (1 << 12) 306 #define SUPPORTED_Pause (1 << 13) 307 #define SUPPORTED_Asym_Pause (1 << 14) 308 309 /* Indicates what features are advertised by the interface. */ 310 #define ADVERTISED_10baseT_Half (1 << 0) 311 #define ADVERTISED_10baseT_Full (1 << 1) 312 #define ADVERTISED_100baseT_Half (1 << 2) 313 #define ADVERTISED_100baseT_Full (1 << 3) 314 #define ADVERTISED_1000baseT_Half (1 << 4) 315 #define ADVERTISED_1000baseT_Full (1 << 5) 316 #define ADVERTISED_Autoneg (1 << 6) 317 #define ADVERTISED_TP (1 << 7) 318 #define ADVERTISED_AUI (1 << 8) 319 #define ADVERTISED_MII (1 << 9) 320 #define ADVERTISED_FIBRE (1 << 10) 321 #define ADVERTISED_BNC (1 << 11) 322 #define ADVERTISED_10000baseT_Full (1 << 12) 323 #define ADVERTISED_Pause (1 << 13) 324 #define ADVERTISED_Asym_Pause (1 << 14) 325 326 /* Enable or disable autonegotiation. If this is set to enable, 327 * the forced link modes above are completely ignored. 328 */ 329 #define AUTONEG_DISABLE 0x00 330 #define AUTONEG_ENABLE 0x01 331 332 #define SPEED_10 10 333 #define SPEED_100 100 334 #define SPEED_1000 1000 335 #define SPEED_10000 10000 336 #define DUPLEX_HALF 0 337 #define DUPLEX_FULL 1 338 339 #endif 340