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 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/ctype.h> 34 #include <sys/endian.h> 35 #include <sys/bus.h> 36 37 #include <sys/lock.h> 38 #include <sys/mutex.h> 39 40 #include <sys/kdb.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 /* 71 * Workaround for weird Chelsio issue 72 */ 73 #define PRIV_SUPPORTED 74 75 #define CXGB_TX_CLEANUP_THRESHOLD 32 76 77 #define TX_MAX_SIZE (1 << 16) /* 64KB */ 78 #define TX_MAX_SEGS 36 /* maximum supported by card */ 79 80 #define TX_MAX_DESC 4 /* max descriptors per packet */ 81 82 83 #define TX_START_MAX_DESC (TX_MAX_DESC << 2) /* maximum number of descriptors 84 * call to start used per */ 85 86 #define TX_CLEAN_MAX_DESC (TX_MAX_DESC << 4) /* maximum tx descriptors 87 * to clean per iteration */ 88 #define TX_WR_SIZE_MAX 11*1024 /* the maximum total size of packets aggregated into a single 89 * TX WR 90 */ 91 #define TX_WR_COUNT_MAX 7 /* the maximum total number of packets that can be 92 * aggregated into a single TX WR 93 */ 94 95 #define prefetch(x) __builtin_prefetch(x) 96 97 #if defined(__i386__) || defined(__amd64__) 98 #define smp_mb() mb() 99 #define WARN_ON(condition) do { \ 100 if (__predict_false((condition)!=0)) { \ 101 log(LOG_WARNING, "BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ 102 kdb_backtrace(); \ 103 } \ 104 } while (0) 105 #else 106 #define smp_mb() 107 #endif 108 109 #define DBG_RX (1 << 0) 110 static const int debug_flags = DBG_RX; 111 112 #ifdef DEBUG_PRINT 113 #define DBG(flag, msg) do { \ 114 if ((flag & debug_flags)) \ 115 printf msg; \ 116 } while (0) 117 #else 118 #define DBG(...) 119 #endif 120 121 #include <sys/syslog.h> 122 123 #define promisc_rx_mode(rm) (if_getflags((rm)->port->ifp) & IFF_PROMISC) 124 #define allmulti_rx_mode(rm) (if_getflags((rm)->port->ifp) & IFF_ALLMULTI) 125 126 #define CH_ERR(adap, fmt, ...) log(LOG_ERR, fmt, ##__VA_ARGS__) 127 #define CH_WARN(adap, fmt, ...) log(LOG_WARNING, fmt, ##__VA_ARGS__) 128 #define CH_ALERT(adap, fmt, ...) log(LOG_ALERT, fmt, ##__VA_ARGS__) 129 130 #define t3_os_sleep(x) DELAY((x) * 1000) 131 132 #define test_and_clear_bit(bit, p) atomic_cmpset_int((p), ((*(p)) | (1<<bit)), ((*(p)) & ~(1<<bit))) 133 134 #define max_t(type, a, b) (type)max((a), (b)) 135 #define cpu_to_be32(x) htobe32(x) 136 137 /* Standard PHY definitions */ 138 #define BMCR_LOOPBACK BMCR_LOOP 139 #define BMCR_ISOLATE BMCR_ISO 140 #define BMCR_ANENABLE BMCR_AUTOEN 141 #define BMCR_SPEED1000 BMCR_SPEED1 142 #define BMCR_SPEED100 BMCR_SPEED0 143 #define BMCR_ANRESTART BMCR_STARTNEG 144 #define BMCR_FULLDPLX BMCR_FDX 145 #define BMSR_LSTATUS BMSR_LINK 146 #define BMSR_ANEGCOMPLETE BMSR_ACOMP 147 148 #define MII_LPA MII_ANLPAR 149 #define MII_ADVERTISE MII_ANAR 150 #define MII_CTRL1000 MII_100T2CR 151 152 #define ADVERTISE_PAUSE_CAP ANAR_FC 153 #define ADVERTISE_PAUSE_ASYM 0x800 154 #define ADVERTISE_PAUSE ANAR_FC 155 #define ADVERTISE_1000HALF 0x100 156 #define ADVERTISE_1000FULL 0x200 157 #define ADVERTISE_10FULL ANAR_10_FD 158 #define ADVERTISE_10HALF ANAR_10 159 #define ADVERTISE_100FULL ANAR_TX_FD 160 #define ADVERTISE_100HALF ANAR_TX 161 162 163 #define ADVERTISE_1000XHALF ANAR_X_HD 164 #define ADVERTISE_1000XFULL ANAR_X_FD 165 #define ADVERTISE_1000XPSE_ASYM ANAR_X_PAUSE_ASYM 166 #define ADVERTISE_1000XPAUSE ANAR_X_PAUSE_SYM 167 168 #define ADVERTISE_CSMA ANAR_CSMA 169 #define ADVERTISE_NPAGE ANAR_NP 170 171 172 /* Standard PCI Extended Capabilities definitions */ 173 #define PCI_CAP_ID_VPD PCIY_VPD 174 #define PCI_VPD_ADDR PCIR_VPD_ADDR 175 #define PCI_VPD_ADDR_F 0x8000 176 #define PCI_VPD_DATA PCIR_VPD_DATA 177 178 #define PCI_CAP_ID_EXP PCIY_EXPRESS 179 #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 180 #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 181 #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 182 #define PCI_EXP_LNKCTL PCIER_LINK_CTL 183 #define PCI_EXP_LNKSTA PCIER_LINK_STA 184 185 /* 186 * Linux compatibility macros 187 */ 188 189 /* Some simple translations */ 190 #define __devinit 191 #define udelay(x) DELAY(x) 192 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) 193 #define le32_to_cpu(x) le32toh(x) 194 #define le16_to_cpu(x) le16toh(x) 195 #define cpu_to_le32(x) htole32(x) 196 #define swab32(x) bswap32(x) 197 #ifndef simple_strtoul 198 #define simple_strtoul(...) strtoul(__VA_ARGS__) 199 #endif 200 201 202 #ifndef LINUX_TYPES_DEFINED 203 typedef uint8_t u8; 204 typedef uint16_t u16; 205 typedef uint32_t u32; 206 typedef uint64_t u64; 207 208 typedef uint8_t __u8; 209 typedef uint16_t __u16; 210 typedef uint32_t __u32; 211 typedef uint8_t __be8; 212 typedef uint16_t __be16; 213 typedef uint32_t __be32; 214 typedef uint64_t __be64; 215 #endif 216 217 218 #if BYTE_ORDER == BIG_ENDIAN 219 #define __BIG_ENDIAN_BITFIELD 220 #elif BYTE_ORDER == LITTLE_ENDIAN 221 #define __LITTLE_ENDIAN_BITFIELD 222 #else 223 #error "Must set BYTE_ORDER" 224 #endif 225 226 /* Indicates what features are supported by the interface. */ 227 #define SUPPORTED_10baseT_Half (1 << 0) 228 #define SUPPORTED_10baseT_Full (1 << 1) 229 #define SUPPORTED_100baseT_Half (1 << 2) 230 #define SUPPORTED_100baseT_Full (1 << 3) 231 #define SUPPORTED_1000baseT_Half (1 << 4) 232 #define SUPPORTED_1000baseT_Full (1 << 5) 233 #define SUPPORTED_Autoneg (1 << 6) 234 #define SUPPORTED_TP (1 << 7) 235 #define SUPPORTED_AUI (1 << 8) 236 #define SUPPORTED_MII (1 << 9) 237 #define SUPPORTED_FIBRE (1 << 10) 238 #define SUPPORTED_BNC (1 << 11) 239 #define SUPPORTED_10000baseT_Full (1 << 12) 240 #define SUPPORTED_Pause (1 << 13) 241 #define SUPPORTED_Asym_Pause (1 << 14) 242 243 /* Indicates what features are advertised by the interface. */ 244 #define ADVERTISED_10baseT_Half (1 << 0) 245 #define ADVERTISED_10baseT_Full (1 << 1) 246 #define ADVERTISED_100baseT_Half (1 << 2) 247 #define ADVERTISED_100baseT_Full (1 << 3) 248 #define ADVERTISED_1000baseT_Half (1 << 4) 249 #define ADVERTISED_1000baseT_Full (1 << 5) 250 #define ADVERTISED_Autoneg (1 << 6) 251 #define ADVERTISED_TP (1 << 7) 252 #define ADVERTISED_AUI (1 << 8) 253 #define ADVERTISED_MII (1 << 9) 254 #define ADVERTISED_FIBRE (1 << 10) 255 #define ADVERTISED_BNC (1 << 11) 256 #define ADVERTISED_10000baseT_Full (1 << 12) 257 #define ADVERTISED_Pause (1 << 13) 258 #define ADVERTISED_Asym_Pause (1 << 14) 259 260 /* Enable or disable autonegotiation. If this is set to enable, 261 * the forced link modes above are completely ignored. 262 */ 263 #define AUTONEG_DISABLE 0x00 264 #define AUTONEG_ENABLE 0x01 265 266 #define SPEED_10 10 267 #define SPEED_100 100 268 #define SPEED_1000 1000 269 #define SPEED_10000 10000 270 #define DUPLEX_HALF 0 271 #define DUPLEX_FULL 1 272 273 #endif 274