1 /*- 2 * Copyright (c) 2009-2015 Solarflare Communications Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * The views and conclusions contained in the software and documentation are 27 * those of the authors and should not be interpreted as representing official 28 * policies, either expressed or implied, of the FreeBSD Project. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include "efx.h" 35 #include "efx_impl.h" 36 37 __checkReturn efx_rc_t 38 efx_port_init( 39 __in efx_nic_t *enp) 40 { 41 efx_port_t *epp = &(enp->en_port); 42 efx_phy_ops_t *epop = epp->ep_epop; 43 efx_rc_t rc; 44 45 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 46 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); 47 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); 48 49 if (enp->en_mod_flags & EFX_MOD_PORT) { 50 rc = EINVAL; 51 goto fail1; 52 } 53 54 enp->en_mod_flags |= EFX_MOD_PORT; 55 56 epp->ep_mac_type = EFX_MAC_INVALID; 57 epp->ep_link_mode = EFX_LINK_UNKNOWN; 58 epp->ep_mac_poll_needed = B_TRUE; 59 epp->ep_mac_drain = B_TRUE; 60 61 /* Configure the MAC */ 62 if ((rc = efx_mac_select(enp)) != 0) 63 goto fail1; 64 65 epp->ep_emop->emo_reconfigure(enp); 66 67 /* Pick up current phy capababilities */ 68 efx_port_poll(enp, NULL); 69 70 /* 71 * Turn on the PHY if available, otherwise reset it, and 72 * reconfigure it with the current configuration. 73 */ 74 if (epop->epo_power != NULL) { 75 if ((rc = epop->epo_power(enp, B_TRUE)) != 0) 76 goto fail2; 77 } else { 78 if ((rc = epop->epo_reset(enp)) != 0) 79 goto fail2; 80 } 81 82 EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_PHY); 83 enp->en_reset_flags &= ~EFX_RESET_PHY; 84 85 if ((rc = epop->epo_reconfigure(enp)) != 0) 86 goto fail3; 87 88 return (0); 89 90 fail3: 91 EFSYS_PROBE(fail3); 92 fail2: 93 EFSYS_PROBE(fail2); 94 fail1: 95 EFSYS_PROBE1(fail1, efx_rc_t, rc); 96 97 enp->en_mod_flags &= ~EFX_MOD_PORT; 98 99 return (rc); 100 } 101 102 __checkReturn efx_rc_t 103 efx_port_poll( 104 __in efx_nic_t *enp, 105 __out_opt efx_link_mode_t *link_modep) 106 { 107 efx_port_t *epp = &(enp->en_port); 108 efx_mac_ops_t *emop = epp->ep_emop; 109 efx_link_mode_t ignore_link_mode; 110 efx_rc_t rc; 111 112 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 113 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 114 115 EFSYS_ASSERT(emop != NULL); 116 EFSYS_ASSERT(!epp->ep_mac_stats_pending); 117 118 if (link_modep == NULL) 119 link_modep = &ignore_link_mode; 120 121 if ((rc = emop->emo_poll(enp, link_modep)) != 0) 122 goto fail1; 123 124 return (0); 125 126 fail1: 127 EFSYS_PROBE1(fail1, efx_rc_t, rc); 128 129 return (rc); 130 } 131 132 #if EFSYS_OPT_LOOPBACK 133 134 __checkReturn efx_rc_t 135 efx_port_loopback_set( 136 __in efx_nic_t *enp, 137 __in efx_link_mode_t link_mode, 138 __in efx_loopback_type_t loopback_type) 139 { 140 efx_port_t *epp = &(enp->en_port); 141 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 142 efx_mac_ops_t *emop = epp->ep_emop; 143 efx_rc_t rc; 144 145 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 146 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 147 EFSYS_ASSERT(emop != NULL); 148 149 EFSYS_ASSERT(link_mode < EFX_LINK_NMODES); 150 151 if (EFX_TEST_QWORD_BIT(encp->enc_loopback_types[link_mode], 152 loopback_type) == 0) { 153 rc = ENOTSUP; 154 goto fail1; 155 } 156 157 if (epp->ep_loopback_type == loopback_type && 158 epp->ep_loopback_link_mode == link_mode) 159 return (0); 160 161 if ((rc = emop->emo_loopback_set(enp, link_mode, loopback_type)) != 0) 162 goto fail2; 163 164 return (0); 165 166 fail2: 167 EFSYS_PROBE(fail2); 168 fail1: 169 EFSYS_PROBE1(fail1, efx_rc_t, rc); 170 171 return (rc); 172 } 173 174 #if EFSYS_OPT_NAMES 175 176 static const char *__efx_loopback_type_name[] = { 177 "OFF", 178 "DATA", 179 "GMAC", 180 "XGMII", 181 "XGXS", 182 "XAUI", 183 "GMII", 184 "SGMII", 185 "XGBR", 186 "XFI", 187 "XAUI_FAR", 188 "GMII_FAR", 189 "SGMII_FAR", 190 "XFI_FAR", 191 "GPHY", 192 "PHY_XS", 193 "PCS", 194 "PMA_PMD", 195 "XPORT", 196 "XGMII_WS", 197 "XAUI_WS", 198 "XAUI_WS_FAR", 199 "XAUI_WS_NEAR", 200 "GMII_WS", 201 "XFI_WS", 202 "XFI_WS_FAR", 203 "PHYXS_WS", 204 "PMA_INT", 205 "SD_NEAR", 206 "SD_FAR", 207 "PMA_INT_WS", 208 "SD_FEP2_WS", 209 "SD_FEP1_5_WS", 210 "SD_FEP_WS", 211 "SD_FES_WS", 212 }; 213 214 __checkReturn const char * 215 efx_loopback_type_name( 216 __in efx_nic_t *enp, 217 __in efx_loopback_type_t type) 218 { 219 EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__efx_loopback_type_name) == 220 EFX_LOOPBACK_NTYPES); 221 222 _NOTE(ARGUNUSED(enp)) 223 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 224 EFSYS_ASSERT3U(type, <, EFX_LOOPBACK_NTYPES); 225 226 return (__efx_loopback_type_name[type]); 227 } 228 229 #endif /* EFSYS_OPT_NAMES */ 230 231 #endif /* EFSYS_OPT_LOOPBACK */ 232 233 void 234 efx_port_fini( 235 __in efx_nic_t *enp) 236 { 237 efx_port_t *epp = &(enp->en_port); 238 efx_phy_ops_t *epop = epp->ep_epop; 239 240 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 241 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); 242 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); 243 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 244 245 EFSYS_ASSERT(epp->ep_mac_drain); 246 247 epp->ep_emop = NULL; 248 epp->ep_mac_type = EFX_MAC_INVALID; 249 epp->ep_mac_drain = B_FALSE; 250 epp->ep_mac_poll_needed = B_FALSE; 251 252 /* Turn off the PHY */ 253 if (epop->epo_power != NULL) 254 (void) epop->epo_power(enp, B_FALSE); 255 256 enp->en_mod_flags &= ~EFX_MOD_PORT; 257 } 258