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/*
* Copyright (c) 2009-2016 Solarflare Communications Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of the FreeBSD Project.
*/
#include "efx.h"
#include "efx_impl.h"
__checkReturn efx_rc_t
efx_port_init(
__in efx_nic_t *enp)
{
efx_port_t *epp = &(enp->en_port);
const efx_phy_ops_t *epop = epp->ep_epop;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
if (enp->en_mod_flags & EFX_MOD_PORT) {
rc = EINVAL;
goto fail1;
}
enp->en_mod_flags |= EFX_MOD_PORT;
epp->ep_mac_type = EFX_MAC_INVALID;
epp->ep_link_mode = EFX_LINK_UNKNOWN;
epp->ep_mac_drain = B_TRUE;
/* Configure the MAC */
if ((rc = efx_mac_select(enp)) != 0)
goto fail1;
epp->ep_emop->emo_reconfigure(enp);
/* Pick up current phy capababilities */
efx_port_poll(enp, NULL);
/*
* Turn on the PHY if available, otherwise reset it, and
* reconfigure it with the current configuration.
*/
if (epop->epo_power != NULL) {
if ((rc = epop->epo_power(enp, B_TRUE)) != 0)
goto fail2;
} else {
if ((rc = epop->epo_reset(enp)) != 0)
goto fail2;
}
EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_PHY);
enp->en_reset_flags &= ~EFX_RESET_PHY;
if ((rc = epop->epo_reconfigure(enp)) != 0)
goto fail3;
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
enp->en_mod_flags &= ~EFX_MOD_PORT;
return (rc);
}
__checkReturn efx_rc_t
efx_port_poll(
__in efx_nic_t *enp,
__out_opt efx_link_mode_t *link_modep)
{
efx_port_t *epp = &(enp->en_port);
const efx_mac_ops_t *emop = epp->ep_emop;
efx_link_mode_t ignore_link_mode;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
EFSYS_ASSERT(!epp->ep_mac_stats_pending);
if (link_modep == NULL)
link_modep = &ignore_link_mode;
if ((rc = emop->emo_poll(enp, link_modep)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#if EFSYS_OPT_LOOPBACK
__checkReturn efx_rc_t
efx_port_loopback_set(
__in efx_nic_t *enp,
__in efx_link_mode_t link_mode,
__in efx_loopback_type_t loopback_type)
{
efx_port_t *epp = &(enp->en_port);
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
const efx_mac_ops_t *emop = epp->ep_emop;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
EFSYS_ASSERT(link_mode < EFX_LINK_NMODES);
if (EFX_TEST_QWORD_BIT(encp->enc_loopback_types[link_mode],
(int)loopback_type) == 0) {
rc = ENOTSUP;
goto fail1;
}
if (epp->ep_loopback_type == loopback_type &&
epp->ep_loopback_link_mode == link_mode)
return (0);
if ((rc = emop->emo_loopback_set(enp, link_mode, loopback_type)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#if EFSYS_OPT_NAMES
static const char * const __efx_loopback_type_name[] = {
"OFF",
"DATA",
"GMAC",
"XGMII",
"XGXS",
"XAUI",
"GMII",
"SGMII",
"XGBR",
"XFI",
"XAUI_FAR",
"GMII_FAR",
"SGMII_FAR",
"XFI_FAR",
"GPHY",
"PHY_XS",
"PCS",
"PMA_PMD",
"XPORT",
"XGMII_WS",
"XAUI_WS",
"XAUI_WS_FAR",
"XAUI_WS_NEAR",
"GMII_WS",
"XFI_WS",
"XFI_WS_FAR",
"PHYXS_WS",
"PMA_INT",
"SD_NEAR",
"SD_FAR",
"PMA_INT_WS",
"SD_FEP2_WS",
"SD_FEP1_5_WS",
"SD_FEP_WS",
"SD_FES_WS",
};
__checkReturn const char *
efx_loopback_type_name(
__in efx_nic_t *enp,
__in efx_loopback_type_t type)
{
EFX_STATIC_ASSERT(EFX_ARRAY_SIZE(__efx_loopback_type_name) ==
EFX_LOOPBACK_NTYPES);
_NOTE(ARGUNUSED(enp))
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(type, <, EFX_LOOPBACK_NTYPES);
return (__efx_loopback_type_name[type]);
}
#endif /* EFSYS_OPT_NAMES */
#endif /* EFSYS_OPT_LOOPBACK */
void
efx_port_fini(
__in efx_nic_t *enp)
{
efx_port_t *epp = &(enp->en_port);
const efx_phy_ops_t *epop = epp->ep_epop;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(epp->ep_mac_drain);
epp->ep_emop = NULL;
epp->ep_mac_type = EFX_MAC_INVALID;
epp->ep_mac_drain = B_FALSE;
/* Turn off the PHY */
if (epop->epo_power != NULL)
(void) epop->epo_power(enp, B_FALSE);
enp->en_mod_flags &= ~EFX_MOD_PORT;
}
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