efx_port.c revision 228078
119080Sache/*- 219080Sache * Copyright 2009 Solarflare Communications Inc. All rights reserved. 319080Sache * 419080Sache * Redistribution and use in source and binary forms, with or without 519080Sache * modification, are permitted provided that the following conditions 619080Sache * are met: 719080Sache * 1. Redistributions of source code must retain the above copyright 819080Sache * notice, this list of conditions and the following disclaimer. 932822Syokota * 2. Redistributions in binary form must reproduce the above copyright 1019080Sache * notice, this list of conditions and the following disclaimer in the 1119080Sache * documentation and/or other materials provided with the distribution. 1219080Sache * 1319080Sache * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS AND 1419080Sache * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1519080Sache * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1619080Sache * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1719080Sache * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1819080Sache * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 1919080Sache * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2019080Sache * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2119080Sache * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2219080Sache * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2319080Sache * SUCH DAMAGE. 2419080Sache */ 2519080Sache 2619080Sache#include <sys/cdefs.h> 2719080Sache__FBSDID("$FreeBSD: head/sys/dev/sfxge/common/efx_port.c 228078 2011-11-28 17:19:05Z philip $"); 2819080Sache 2919080Sache#include "efsys.h" 3019080Sache#include "efx.h" 3119080Sache#include "efx_types.h" 3219080Sache#include "efx_impl.h" 3319080Sache 3419080Sache __checkReturn int 3519080Sacheefx_port_init( 3619080Sache __in efx_nic_t *enp) 3719080Sache{ 3819080Sache efx_port_t *epp = &(enp->en_port); 3919080Sache efx_phy_ops_t *epop = epp->ep_epop; 4019080Sache int rc; 4119080Sache 4219080Sache EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 4319080Sache EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); 4419080Sache EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); 4519080Sache 4619080Sache if (enp->en_mod_flags & EFX_MOD_PORT) { 4719080Sache rc = EINVAL; 4819080Sache goto fail1; 4919080Sache } 5019080Sache 5119080Sache enp->en_mod_flags |= EFX_MOD_PORT; 5219080Sache 5319080Sache epp->ep_mac_type = EFX_MAC_INVALID; 5419080Sache epp->ep_link_mode = EFX_LINK_UNKNOWN; 5519080Sache epp->ep_mac_poll_needed = B_TRUE; 5619080Sache epp->ep_mac_drain = B_TRUE; 5719080Sache 5819080Sache /* Configure the MAC */ 5919080Sache if ((rc = efx_mac_select(enp)) != 0) 6019080Sache goto fail1; 6138140Syokota 6219080Sache epp->ep_emop->emo_reconfigure(enp); 6343334Syokota 6419080Sache /* 6532822Syokota * Turn on the PHY if available, otherwise reset it, and 6619080Sache * reconfigure it with the current configuration. 6719080Sache */ 6819080Sache if (epop->epo_power != NULL) { 6919080Sache if ((rc = epop->epo_power(enp, B_TRUE)) != 0) 7019080Sache goto fail2; 7119080Sache } else { 7219080Sache if ((rc = epop->epo_reset(enp)) != 0) 7319080Sache goto fail2; 7419080Sache } 7519080Sache 7619080Sache EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_PHY); 7743334Syokota enp->en_reset_flags &= ~EFX_RESET_PHY; 7843334Syokota 7919080Sache if ((rc = epop->epo_reconfigure(enp)) != 0) 8019080Sache goto fail3; 8119080Sache 8219080Sache return (0); 8319080Sache 8419080Sachefail3: 8519080Sache EFSYS_PROBE(fail3); 8619080Sachefail2: 8719080Sache EFSYS_PROBE(fail2); 8819080Sachefail1: 8919080Sache EFSYS_PROBE1(fail1, int, rc); 9019080Sache 9119080Sache enp->en_mod_flags &= ~EFX_MOD_PORT; 9243334Syokota 9319080Sache return (rc); 9419080Sache} 9519080Sache 9619080Sache __checkReturn int 9719080Sacheefx_port_poll( 9819080Sache __in efx_nic_t *enp, 9919080Sache __out efx_link_mode_t *link_modep) 10043334Syokota{ 10119080Sache efx_port_t *epp = &(enp->en_port); 10219080Sache efx_mac_ops_t *emop = epp->ep_emop; 10319080Sache efx_link_mode_t ignore_link_mode; 10419080Sache int rc; 10519080Sache 10619080Sache EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 10719080Sache EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 10819080Sache 10919080Sache EFSYS_ASSERT(emop != NULL); 11019080Sache EFSYS_ASSERT(!epp->ep_mac_stats_pending); 11119080Sache 11243334Syokota if (link_modep == NULL) 11319080Sache link_modep = &ignore_link_mode; 11419080Sache 11519080Sache if ((rc = emop->emo_poll(enp, link_modep)) != 0) 11643334Syokota goto fail1; 117 118 return (0); 119 120fail1: 121 EFSYS_PROBE1(fail1, int, rc); 122 123 return (rc); 124} 125 126#if EFSYS_OPT_LOOPBACK 127 128 __checkReturn int 129efx_port_loopback_set( 130 __in efx_nic_t *enp, 131 __in efx_link_mode_t link_mode, 132 __in efx_loopback_type_t loopback_type) 133{ 134 efx_port_t *epp = &(enp->en_port); 135 efx_nic_cfg_t *encp = &(enp->en_nic_cfg); 136 efx_mac_ops_t *emop = epp->ep_emop; 137 int rc; 138 139 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 140 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 141 EFSYS_ASSERT(emop != NULL); 142 143 EFSYS_ASSERT(link_mode < EFX_LINK_NMODES); 144 if ((1 << loopback_type) & ~encp->enc_loopback_types[link_mode]) { 145 rc = ENOTSUP; 146 goto fail1; 147 } 148 149 if (epp->ep_loopback_type == loopback_type && 150 epp->ep_loopback_link_mode == link_mode) 151 return (0); 152 153 if ((rc = emop->emo_loopback_set(enp, link_mode, loopback_type)) != 0) 154 goto fail2; 155 156 return (0); 157 158fail2: 159 EFSYS_PROBE(fail2); 160fail1: 161 EFSYS_PROBE1(fail1, int, rc); 162 163 return (rc); 164} 165 166#if EFSYS_OPT_NAMES 167 168static const char __cs * __cs __efx_loopback_type_name[] = { 169 "OFF", 170 "DATA", 171 "GMAC", 172 "XGMII", 173 "XGXS", 174 "XAUI", 175 "GMII", 176 "SGMII", 177 "XGBR", 178 "XFI", 179 "XAUI_FAR", 180 "GMII_FAR", 181 "SGMII_FAR", 182 "XFI_FAR", 183 "GPHY", 184 "PHY_XS", 185 "PCS", 186 "PMA_PMD", 187}; 188 189 __checkReturn const char __cs * 190efx_loopback_type_name( 191 __in efx_nic_t *enp, 192 __in efx_loopback_type_t type) 193{ 194 _NOTE(ARGUNUSED(enp)) 195 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 196 EFSYS_ASSERT3U(type, <, EFX_LOOPBACK_NTYPES); 197 198 return (__efx_loopback_type_name[type]); 199} 200 201#endif /* EFSYS_OPT_NAMES */ 202 203#endif /* EFSYS_OPT_LOOPBACK */ 204 205 void 206efx_port_fini( 207 __in efx_nic_t *enp) 208{ 209 efx_port_t *epp = &(enp->en_port); 210 efx_phy_ops_t *epop = epp->ep_epop; 211 212 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC); 213 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); 214 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC); 215 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT); 216 217 EFSYS_ASSERT(epp->ep_mac_drain); 218 219 epp->ep_emop = NULL; 220 epp->ep_mac_type = EFX_MAC_INVALID; 221 epp->ep_mac_drain = B_FALSE; 222 epp->ep_mac_poll_needed = B_FALSE; 223 224 /* Turn off the PHY */ 225 if (epop->epo_power != NULL) 226 (void) epop->epo_power(enp, B_FALSE); 227 228 enp->en_mod_flags &= ~EFX_MOD_PORT; 229} 230