1 /************************************************************************** 2 SPDX-License-Identifier: BSD-2-Clause 3 4 Copyright (c) 2007, Chelsio Inc. 5 All rights reserved. 6 7 Redistribution and use in source and binary forms, with or without 8 modification, are permitted provided that the following conditions are met: 9 10 1. Redistributions of source code must retain the above copyright notice, 11 this list of conditions and the following disclaimer. 12 13 2. Neither the name of the Chelsio Corporation nor the names of its 14 contributors may be used to endorse or promote products derived from 15 this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 POSSIBILITY OF SUCH DAMAGE. 28 29 30 $FreeBSD$ 31 32 ***************************************************************************/ 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/ctype.h> 37 #include <sys/endian.h> 38 #include <sys/bus.h> 39 40 #include <sys/lock.h> 41 #include <sys/mutex.h> 42 43 #include <sys/kdb.h> 44 45 #include <dev/mii/mii.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 /* 74 * Workaround for weird Chelsio issue 75 */ 76 #define PRIV_SUPPORTED 77 78 #define CXGB_TX_CLEANUP_THRESHOLD 32 79 80 #define TX_MAX_SIZE (1 << 16) /* 64KB */ 81 #define TX_MAX_SEGS 36 /* maximum supported by card */ 82 83 #define TX_MAX_DESC 4 /* max descriptors per packet */ 84 85 86 #define TX_START_MAX_DESC (TX_MAX_DESC << 2) /* maximum number of descriptors 87 * call to start used per */ 88 89 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors 90 * to clean per iteration */ 91 #define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single 92 * TX WR 93 */ 94 #define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be 95 * aggregated into a single TX WR 96 */ 97 98 #define prefetch(x) __builtin_prefetch(x) 99 100 #if defined(__i386__) || defined(__amd64__) 101 #define smp_mb() mb() 102 #define WARN_ON(condition) do { \ 103 if (__predict_false((condition)!=0)) { \ 104 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ 105 kdb_backtrace(); \ 106 } \ 107 } while (0) 108 #else 109 #define smp_mb() 110 #endif 111 112 #define DBG_RX (1 << 0) 113 static const int debug_flags = DBG_RX; 114 115 #ifdef DEBUG_PRINT 116 #define DBG(flag, msg) do { \ 117 if ((flag & debug_flags)) \ 118 printf msg; \ 119 } while (0) 120 #else 121 #define DBG(...) 122 #endif 123 124 #include <sys/syslog.h> 125 126 #define promisc_rx_mode(rm) (if_getflags((rm)->port->ifp) & IFF_PROMISC) 127 #define allmulti_rx_mode(rm) (if_getflags((rm)->port->ifp) & IFF_ALLMULTI) 128 129 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__) 130 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__) 131 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__) 132 133 #define t3_os_sleep(x) DELAY((x) * 1000) 134 135 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit))) 136 137 #define max_t(type, a, b) (type)max((a), (b)) 138 #define cpu_to_be32(x) htobe32(x) 139 140 /* Standard PHY definitions */ 141 #define BMCR_LOOPBACK BMCR_LOOP 142 #define BMCR_ISOLATE BMCR_ISO 143 #define BMCR_ANENABLE BMCR_AUTOEN 144 #define BMCR_SPEED1000 BMCR_SPEED1 145 #define BMCR_SPEED100 BMCR_SPEED0 146 #define BMCR_ANRESTART BMCR_STARTNEG 147 #define BMCR_FULLDPLX BMCR_FDX 148 #define BMSR_LSTATUS BMSR_LINK 149 #define BMSR_ANEGCOMPLETE BMSR_ACOMP 150 151 #define MII_LPA MII_ANLPAR 152 #define MII_ADVERTISE MII_ANAR 153 #define MII_CTRL1000 MII_100T2CR 154 155 #define ADVERTISE_PAUSE_CAP ANAR_FC 156 #define ADVERTISE_PAUSE_ASYM 0x800 157 #define ADVERTISE_PAUSE ANAR_FC 158 #define ADVERTISE_1000HALF 0x100 159 #define ADVERTISE_1000FULL 0x200 160 #define ADVERTISE_10FULL ANAR_10_FD 161 #define ADVERTISE_10HALF ANAR_10 162 #define ADVERTISE_100FULL ANAR_TX_FD 163 #define ADVERTISE_100HALF ANAR_TX 164 165 166 #define ADVERTISE_1000XHALF ANAR_X_HD 167 #define ADVERTISE_1000XFULL ANAR_X_FD 168 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM 169 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM 170 171 #define ADVERTISE_CSMA ANAR_CSMA 172 #define ADVERTISE_NPAGE ANAR_NP 173 174 175 /* Standard PCI Extended Capabilities definitions */ 176 #define PCI_CAP_ID_VPD PCIY_VPD 177 #define PCI_VPD_ADDR PCIR_VPD_ADDR 178 #define PCI_VPD_ADDR_F 0x8000 179 #define PCI_VPD_DATA PCIR_VPD_DATA 180 181 #define PCI_CAP_ID_EXP PCIY_EXPRESS 182 #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 183 #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 184 #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 185 #define PCI_EXP_LNKCTL PCIER_LINK_CTL 186 #define PCI_EXP_LNKSTA PCIER_LINK_STA 187 188 /* 189 * Linux compatibility macros 190 */ 191 192 /* Some simple translations */ 193 #define __devinit 194 #define udelay(x) DELAY(x) 195 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 196 #define le32_to_cpu(x) le32toh(x) 197 #define le16_to_cpu(x) le16toh(x) 198 #define cpu_to_le32(x) htole32(x) 199 #define swab32(x) bswap32(x) 200 #ifndef simple_strtoul 201 #define simple_strtoul(...) strtoul(__VA_ARGS__) 202 #endif 203 204 205 #ifndef LINUX_TYPES_DEFINED 206 typedef uint8_t u8; 207 typedef uint16_t u16; 208 typedef uint32_t u32; 209 typedef uint64_t u64; 210 211 typedef uint8_t __u8; 212 typedef uint16_t __u16; 213 typedef uint32_t __u32; 214 typedef uint8_t __be8; 215 typedef uint16_t __be16; 216 typedef uint32_t __be32; 217 typedef uint64_t __be64; 218 #endif 219 220 221 #if BYTE_ORDER == BIG_ENDIAN 222 #define __BIG_ENDIAN_BITFIELD 223 #elif BYTE_ORDER == LITTLE_ENDIAN 224 #define __LITTLE_ENDIAN_BITFIELD 225 #else 226 #error "Must set BYTE_ORDER" 227 #endif 228 229 /* Indicates what features are supported by the interface. */ 230 #define SUPPORTED_10baseT_Half (1 << 0) 231 #define SUPPORTED_10baseT_Full (1 << 1) 232 #define SUPPORTED_100baseT_Half (1 << 2) 233 #define SUPPORTED_100baseT_Full (1 << 3) 234 #define SUPPORTED_1000baseT_Half (1 << 4) 235 #define SUPPORTED_1000baseT_Full (1 << 5) 236 #define SUPPORTED_Autoneg (1 << 6) 237 #define SUPPORTED_TP (1 << 7) 238 #define SUPPORTED_AUI (1 << 8) 239 #define SUPPORTED_MII (1 << 9) 240 #define SUPPORTED_FIBRE (1 << 10) 241 #define SUPPORTED_BNC (1 << 11) 242 #define SUPPORTED_10000baseT_Full (1 << 12) 243 #define SUPPORTED_Pause (1 << 13) 244 #define SUPPORTED_Asym_Pause (1 << 14) 245 246 /* Indicates what features are advertised by the interface. */ 247 #define ADVERTISED_10baseT_Half (1 << 0) 248 #define ADVERTISED_10baseT_Full (1 << 1) 249 #define ADVERTISED_100baseT_Half (1 << 2) 250 #define ADVERTISED_100baseT_Full (1 << 3) 251 #define ADVERTISED_1000baseT_Half (1 << 4) 252 #define ADVERTISED_1000baseT_Full (1 << 5) 253 #define ADVERTISED_Autoneg (1 << 6) 254 #define ADVERTISED_TP (1 << 7) 255 #define ADVERTISED_AUI (1 << 8) 256 #define ADVERTISED_MII (1 << 9) 257 #define ADVERTISED_FIBRE (1 << 10) 258 #define ADVERTISED_BNC (1 << 11) 259 #define ADVERTISED_10000baseT_Full (1 << 12) 260 #define ADVERTISED_Pause (1 << 13) 261 #define ADVERTISED_Asym_Pause (1 << 14) 262 263 /* Enable or disable autonegotiation. If this is set to enable, 264 * the forced link modes above are completely ignored. 265 */ 266 #define AUTONEG_DISABLE 0x00 267 #define AUTONEG_ENABLE 0x01 268 269 #define SPEED_10 10 270 #define SPEED_100 100 271 #define SPEED_1000 1000 272 #define SPEED_10000 10000 273 #define DUPLEX_HALF 0 274 #define DUPLEX_FULL 1 275 276 #endif 277