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 <dev/mii/mii.h> 40 41 #ifdef CONFIG_DEFINED 42 #include <common/cxgb_version.h> 43 #include <cxgb_config.h> 44 #else 45 #include <dev/cxgb/common/cxgb_version.h> 46 #include <dev/cxgb/cxgb_config.h> 47 #endif 48 49 #ifndef _CXGB_OSDEP_H_ 50 #define _CXGB_OSDEP_H_ 51 52 typedef struct adapter adapter_t; 53 struct sge_rspq; 54 55 struct t3_mbuf_hdr { 56 struct mbuf *mh_head; 57 struct mbuf *mh_tail; 58 }; 59 60 61 #define PANIC_IF(exp) do { \ 62 if (exp) \ 63 panic("BUG: %s", #exp); \ 64 } while (0) 65 66 67 #define m_get_priority(m) ((uintptr_t)(m)->m_pkthdr.rcvif) 68 #define m_set_priority(m, pri) ((m)->m_pkthdr.rcvif = (struct ifnet *)((uintptr_t)pri)) 69 #define m_set_sgl(m, sgl) ((m)->m_pkthdr.header = (sgl)) 70 #define m_get_sgl(m) ((bus_dma_segment_t *)(m)->m_pkthdr.header) 71 #define m_set_sgllen(m, len) ((m)->m_pkthdr.ether_vtag = len) 72 #define m_get_sgllen(m) ((m)->m_pkthdr.ether_vtag) 73 74 /* 75 * XXX FIXME 76 */ 77 #define m_set_toep(m, a) ((m)->m_pkthdr.header = (a)) 78 #define m_get_toep(m) ((m)->m_pkthdr.header) 79 #define m_set_handler(m, handler) ((m)->m_pkthdr.header = (handler)) 80 81 #define m_set_socket(m, a) ((m)->m_pkthdr.header = (a)) 82 #define m_get_socket(m) ((m)->m_pkthdr.header) 83 84 #define MT_DONTFREE 128 85 86 #if __FreeBSD_version > 700030 87 #define INTR_FILTERS 88 #define FIRMWARE_LATEST 89 #endif 90 91 #if ((__FreeBSD_version > 602103) && (__FreeBSD_version < 700000)) 92 #define FIRMWARE_LATEST 93 #endif 94 95 #if __FreeBSD_version > 700000 96 #define MSI_SUPPORTED 97 #define TSO_SUPPORTED 98 #define VLAN_SUPPORTED 99 #define TASKQUEUE_CURRENT 100 #else 101 #define if_name(ifp) (ifp)->if_xname 102 #define M_SANITY(m, n) 103 #endif 104 105 #define __read_mostly __attribute__((__section__(".data.read_mostly"))) 106 107 /* 108 * Workaround for weird Chelsio issue 109 */ 110 #if __FreeBSD_version > 700029 111 #define PRIV_SUPPORTED 112 #endif 113 114 #define CXGB_TX_CLEANUP_THRESHOLD 32 115 116 #ifdef DEBUG_PRINT 117 #define DPRINTF printf 118 #else 119 #define DPRINTF(...) 120 #endif 121 122 #define TX_MAX_SIZE (1 << 16) /* 64KB */ 123 #define TX_MAX_SEGS 36 /* maximum supported by card */ 124 #define TX_MAX_DESC 4 /* max descriptors per packet */ 125 126 #define TX_START_MIN_DESC (TX_MAX_DESC << 2) 127 128 #if 0 129 #define TX_START_MAX_DESC (TX_ETH_Q_SIZE >> 2) /* maximum number of descriptors */ 130 #endif 131 132 #define TX_START_MAX_DESC (TX_MAX_DESC << 3) /* maximum number of descriptors 133 * call to start used per */ 134 135 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors 136 * to clean per iteration */ 137 138 139 #if defined(__i386__) || defined(__amd64__) 140 #define mb() __asm volatile("mfence":::"memory") 141 #define rmb() __asm volatile("lfence":::"memory") 142 #define wmb() __asm volatile("sfence" ::: "memory") 143 #define smp_mb() mb() 144 145 #define L1_CACHE_BYTES 64 146 static __inline 147 void prefetch(void *x) 148 { 149 __asm volatile("prefetcht0 %0" :: "m" (*(unsigned long *)x)); 150 } 151 152 extern void kdb_backtrace(void); 153 154 #define WARN_ON(condition) do { \ 155 if (unlikely((condition)!=0)) { \ 156 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ 157 kdb_backtrace(); \ 158 } \ 159 } while (0) 160 161 162 #else /* !i386 && !amd64 */ 163 #define mb() 164 #define rmb() 165 #define wmb() 166 #define smp_mb() 167 #define prefetch(x) 168 #define L1_CACHE_BYTES 32 169 #endif 170 #define DBG_RX (1 << 0) 171 static const int debug_flags = DBG_RX; 172 173 #ifdef DEBUG_PRINT 174 #define DBG(flag, msg) do { \ 175 if ((flag & debug_flags)) \ 176 printf msg; \ 177 } while (0) 178 #else 179 #define DBG(...) 180 #endif 181 182 #define promisc_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_PROMISC) 183 #define allmulti_rx_mode(rm) ((rm)->port->ifp->if_flags & IFF_ALLMULTI) 184 185 #define CH_ERR(adap, fmt, ...)device_printf(adap->dev, fmt, ##__VA_ARGS__); 186 187 #define CH_WARN(adap, fmt, ...) device_printf(adap->dev, fmt, ##__VA_ARGS__) 188 #define CH_ALERT(adap, fmt, ...) device_printf(adap->dev, fmt, ##__VA_ARGS__) 189 190 #define t3_os_sleep(x) DELAY((x) * 1000) 191 192 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | bit), ((*(p)) & ~bit)) 193 194 195 #define max_t(type, a, b) (type)max((a), (b)) 196 #define net_device ifnet 197 #define cpu_to_be32 htobe32 198 199 200 201 /* Standard PHY definitions */ 202 #define BMCR_LOOPBACK BMCR_LOOP 203 #define BMCR_ISOLATE BMCR_ISO 204 #define BMCR_ANENABLE BMCR_AUTOEN 205 #define BMCR_SPEED1000 BMCR_SPEED1 206 #define BMCR_SPEED100 BMCR_SPEED0 207 #define BMCR_ANRESTART BMCR_STARTNEG 208 #define BMCR_FULLDPLX BMCR_FDX 209 #define BMSR_LSTATUS BMSR_LINK 210 #define BMSR_ANEGCOMPLETE BMSR_ACOMP 211 212 #define MII_LPA MII_ANLPAR 213 #define MII_ADVERTISE MII_ANAR 214 #define MII_CTRL1000 MII_100T2CR 215 216 #define ADVERTISE_PAUSE_CAP ANAR_FC 217 #define ADVERTISE_PAUSE_ASYM 0x0800 218 #define ADVERTISE_1000HALF ANAR_X_HD 219 #define ADVERTISE_1000FULL ANAR_X_FD 220 #define ADVERTISE_10FULL ANAR_10_FD 221 #define ADVERTISE_10HALF ANAR_10 222 #define ADVERTISE_100FULL ANAR_TX_FD 223 #define ADVERTISE_100HALF ANAR_TX 224 225 /* Standard PCI Extended Capaibilities definitions */ 226 #define PCI_CAP_ID_VPD 0x03 227 #define PCI_VPD_ADDR 2 228 #define PCI_VPD_ADDR_F 0x8000 229 #define PCI_VPD_DATA 4 230 231 #define PCI_CAP_ID_EXP 0x10 232 #define PCI_EXP_DEVCTL 8 233 #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 234 #define PCI_EXP_LNKCTL 16 235 #define PCI_EXP_LNKSTA 18 236 237 /* 238 * Linux compatibility macros 239 */ 240 241 /* Some simple translations */ 242 #define __devinit 243 #define udelay(x) DELAY(x) 244 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 245 #define le32_to_cpu(x) le32toh(x) 246 #define cpu_to_le32(x) htole32(x) 247 #define swab32(x) bswap32(x) 248 #define simple_strtoul strtoul 249 250 /* More types and endian definitions */ 251 typedef uint8_t u8; 252 typedef uint16_t u16; 253 typedef uint32_t u32; 254 typedef uint64_t u64; 255 256 typedef uint8_t __u8; 257 typedef uint16_t __u16; 258 typedef uint32_t __u32; 259 typedef uint8_t __be8; 260 typedef uint16_t __be16; 261 typedef uint32_t __be32; 262 typedef uint64_t __be64; 263 264 #if BYTE_ORDER == BIG_ENDIAN 265 #define __BIG_ENDIAN_BITFIELD 266 #elif BYTE_ORDER == LITTLE_ENDIAN 267 #define __LITTLE_ENDIAN_BITFIELD 268 #else 269 #error "Must set BYTE_ORDER" 270 #endif 271 272 /* Indicates what features are supported by the interface. */ 273 #define SUPPORTED_10baseT_Half (1 << 0) 274 #define SUPPORTED_10baseT_Full (1 << 1) 275 #define SUPPORTED_100baseT_Half (1 << 2) 276 #define SUPPORTED_100baseT_Full (1 << 3) 277 #define SUPPORTED_1000baseT_Half (1 << 4) 278 #define SUPPORTED_1000baseT_Full (1 << 5) 279 #define SUPPORTED_Autoneg (1 << 6) 280 #define SUPPORTED_TP (1 << 7) 281 #define SUPPORTED_AUI (1 << 8) 282 #define SUPPORTED_MII (1 << 9) 283 #define SUPPORTED_FIBRE (1 << 10) 284 #define SUPPORTED_BNC (1 << 11) 285 #define SUPPORTED_10000baseT_Full (1 << 12) 286 #define SUPPORTED_Pause (1 << 13) 287 #define SUPPORTED_Asym_Pause (1 << 14) 288 289 /* Indicates what features are advertised by the interface. */ 290 #define ADVERTISED_10baseT_Half (1 << 0) 291 #define ADVERTISED_10baseT_Full (1 << 1) 292 #define ADVERTISED_100baseT_Half (1 << 2) 293 #define ADVERTISED_100baseT_Full (1 << 3) 294 #define ADVERTISED_1000baseT_Half (1 << 4) 295 #define ADVERTISED_1000baseT_Full (1 << 5) 296 #define ADVERTISED_Autoneg (1 << 6) 297 #define ADVERTISED_TP (1 << 7) 298 #define ADVERTISED_AUI (1 << 8) 299 #define ADVERTISED_MII (1 << 9) 300 #define ADVERTISED_FIBRE (1 << 10) 301 #define ADVERTISED_BNC (1 << 11) 302 #define ADVERTISED_10000baseT_Full (1 << 12) 303 #define ADVERTISED_Pause (1 << 13) 304 #define ADVERTISED_Asym_Pause (1 << 14) 305 306 /* Enable or disable autonegotiation. If this is set to enable, 307 * the forced link modes above are completely ignored. 308 */ 309 #define AUTONEG_DISABLE 0x00 310 #define AUTONEG_ENABLE 0x01 311 312 #define SPEED_10 10 313 #define SPEED_100 100 314 #define SPEED_1000 1000 315 #define SPEED_10000 10000 316 #define DUPLEX_HALF 0 317 #define DUPLEX_FULL 1 318 319 #endif 320