1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2009-2016 Solarflare Communications 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 * 2. Redistributions in binary form must reproduce the above copyright notice, 13 * this list of conditions and the following disclaimer in the documentation 14 * and/or other materials provided with the distribution. 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, 18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 26 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * The views and conclusions contained in the software and documentation are 29 * those of the authors and should not be interpreted as representing official 30 * policies, either expressed or implied, of the FreeBSD Project. 31 */ 32 33 #include <sys/cdefs.h> 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 const 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_drain = B_TRUE; 59 60 /* Configure the MAC */ 61 if ((rc = efx_mac_select(enp)) != 0) 62 goto fail1; 63 64 epp->ep_emop->emo_reconfigure(enp); 65 66 /* Pick up current phy capababilities */ 67 (void) efx_port_poll(enp, NULL); 68 69 /* 70 * Turn on the PHY if available, otherwise reset it, and 71 * reconfigure it with the current configuration. 72 */ 73 if (epop->epo_power != NULL) { 74 if ((rc = epop->epo_power(enp, B_TRUE)) != 0) 75 goto fail2; 76 } else { 77 if ((rc = epop->epo_reset(enp)) != 0) 78 goto fail2; 79 } 80 81 EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_PHY); 82 enp->en_reset_flags &= ~EFX_RESET_PHY; 83 84 if ((rc = epop->epo_reconfigure(enp)) != 0) 85 goto fail3; 86 87 return (0); 88 89 fail3: 90 EFSYS_PROBE(fail3); 91 fail2: 92 EFSYS_PROBE(fail2); 93 fail1: 94 EFSYS_PROBE1(fail1, efx_rc_t, rc); 95 96 enp->en_mod_flags &= ~EFX_MOD_PORT; 97 98 return (rc); 99 } 100 101 __checkReturn efx_rc_t 102 efx_port_poll( 103 __in efx_nic_t *enp, 104 __out_opt efx_link_mode_t *link_modep) 105 { 106 efx_port_t *epp = &(enp->en_port); 107 const efx_mac_ops_t *emop = epp->ep_emop; 108 efx_link_mode_t ignore_link_mode; 109 efx_rc_t rc; 110 111 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 112 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 113 114 EFSYS_ASSERT(emop != NULL); 115 116 if (link_modep == NULL) 117 link_modep = &ignore_link_mode; 118 119 if ((rc = emop->emo_poll(enp, link_modep)) != 0) 120 goto fail1; 121 122 return (0); 123 124 fail1: 125 EFSYS_PROBE1(fail1, efx_rc_t, rc); 126 127 return (rc); 128 } 129 130 #if EFSYS_OPT_LOOPBACK 131 132 __checkReturn efx_rc_t 133 efx_port_loopback_set( 134 __in efx_nic_t *enp, 135 __in efx_link_mode_t link_mode, 136 __in efx_loopback_type_t loopback_type) 137 { 138 efx_port_t *epp = &(enp->en_port); 139 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 140 const efx_mac_ops_t *emop = epp->ep_emop; 141 efx_rc_t rc; 142 143 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 144 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 145 EFSYS_ASSERT(emop != NULL); 146 147 EFSYS_ASSERT(link_mode < EFX_LINK_NMODES); 148 149 if (EFX_TEST_QWORD_BIT(encp->enc_loopback_types[link_mode], 150 (int)loopback_type) == 0) { 151 rc = ENOTSUP; 152 goto fail1; 153 } 154 155 if (epp->ep_loopback_type == loopback_type && 156 epp->ep_loopback_link_mode == link_mode) 157 return (0); 158 159 if ((rc = emop->emo_loopback_set(enp, link_mode, loopback_type)) != 0) 160 goto fail2; 161 162 return (0); 163 164 fail2: 165 EFSYS_PROBE(fail2); 166 fail1: 167 EFSYS_PROBE1(fail1, efx_rc_t, rc); 168 169 return (rc); 170 } 171 172 #if EFSYS_OPT_NAMES 173 174 static const char * const __efx_loopback_type_name[] = { 175 "OFF", 176 "DATA", 177 "GMAC", 178 "XGMII", 179 "XGXS", 180 "XAUI", 181 "GMII", 182 "SGMII", 183 "XGBR", 184 "XFI", 185 "XAUI_FAR", 186 "GMII_FAR", 187 "SGMII_FAR", 188 "XFI_FAR", 189 "GPHY", 190 "PHY_XS", 191 "PCS", 192 "PMA_PMD", 193 "XPORT", 194 "XGMII_WS", 195 "XAUI_WS", 196 "XAUI_WS_FAR", 197 "XAUI_WS_NEAR", 198 "GMII_WS", 199 "XFI_WS", 200 "XFI_WS_FAR", 201 "PHYXS_WS", 202 "PMA_INT", 203 "SD_NEAR", 204 "SD_FAR", 205 "PMA_INT_WS", 206 "SD_FEP2_WS", 207 "SD_FEP1_5_WS", 208 "SD_FEP_WS", 209 "SD_FES_WS", 210 "AOE_INT_NEAR", 211 "DATA_WS", 212 "FORCE_EXT_LINK", 213 }; 214 215 __checkReturn const char * 216 efx_loopback_type_name( 217 __in efx_nic_t *enp, 218 __in efx_loopback_type_t type) 219 { 220 EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__efx_loopback_type_name) == 221 EFX_LOOPBACK_NTYPES); 222 223 _NOTE(ARGUNUSED(enp)) 224 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 225 EFSYS_ASSERT3U(type, <, EFX_LOOPBACK_NTYPES); 226 227 return (__efx_loopback_type_name[type]); 228 } 229 230 #endif /* EFSYS_OPT_NAMES */ 231 232 #endif /* EFSYS_OPT_LOOPBACK */ 233 234 void 235 efx_port_fini( 236 __in efx_nic_t *enp) 237 { 238 efx_port_t *epp = &(enp->en_port); 239 const efx_phy_ops_t *epop = epp->ep_epop; 240 241 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 242 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); 243 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); 244 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 245 246 EFSYS_ASSERT(epp->ep_mac_drain); 247 248 epp->ep_emop = NULL; 249 epp->ep_mac_type = EFX_MAC_INVALID; 250 epp->ep_mac_drain = 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