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/*-
* Copyright 2007-2009 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 AUTHOR 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 AUTHOR 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/sfxge/common/efx_mac.c 228100 2011-11-28 20:28:23Z philip $");
#include "efsys.h"
#include "efx.h"
#include "efx_types.h"
#include "efx_impl.h"
#if EFSYS_OPT_MAC_FALCON_GMAC
#include "falcon_gmac.h"
#endif
#if EFSYS_OPT_MAC_FALCON_XMAC
#include "falcon_xmac.h"
#endif
#if EFSYS_OPT_MAC_FALCON_GMAC
static efx_mac_ops_t __cs __efx_falcon_gmac_ops = {
falcon_gmac_reset, /* emo_reset */
falcon_mac_poll, /* emo_poll */
falcon_mac_up, /* emo_up */
falcon_gmac_reconfigure, /* emo_reconfigure */
#if EFSYS_OPT_LOOPBACK
falcon_mac_loopback_set, /* emo_loopback_set */
#endif /* EFSYS_OPT_LOOPBACK */
#if EFSYS_OPT_MAC_STATS
falcon_mac_stats_upload, /* emo_stats_upload */
NULL, /* emo_stats_periodic */
falcon_gmac_stats_update /* emo_stats_update */
#endif /* EFSYS_OPT_MAC_STATS */
};
#endif /* EFSYS_OPT_MAC_FALCON_GMAC */
#if EFSYS_OPT_MAC_FALCON_XMAC
static efx_mac_ops_t __cs __efx_falcon_xmac_ops = {
falcon_xmac_reset, /* emo_reset */
falcon_mac_poll, /* emo_poll */
falcon_mac_up, /* emo_up */
falcon_xmac_reconfigure, /* emo_reconfigure */
#if EFSYS_OPT_LOOPBACK
falcon_mac_loopback_set, /* emo_loopback_set */
#endif /* EFSYS_OPT_LOOPBACK */
#if EFSYS_OPT_MAC_STATS
falcon_mac_stats_upload, /* emo_stats_upload */
NULL, /* emo_stats_periodic */
falcon_xmac_stats_update /* emo_stats_update */
#endif /* EFSYS_OPT_MAC_STATS */
};
#endif /* EFSYS_OPT_MAC_FALCON_XMAC */
#if EFSYS_OPT_SIENA
static efx_mac_ops_t __cs __efx_siena_mac_ops = {
NULL, /* emo_reset */
siena_mac_poll, /* emo_poll */
siena_mac_up, /* emo_up */
siena_mac_reconfigure, /* emo_reconfigure */
#if EFSYS_OPT_LOOPBACK
siena_mac_loopback_set, /* emo_loopback_set */
#endif /* EFSYS_OPT_LOOPBACK */
#if EFSYS_OPT_MAC_STATS
siena_mac_stats_upload, /* emo_stats_upload */
siena_mac_stats_periodic, /* emo_stats_periodic */
siena_mac_stats_update /* emo_stats_update */
#endif /* EFSYS_OPT_MAC_STATS */
};
#endif /* EFSYS_OPT_SIENA */
static efx_mac_ops_t __cs * __cs __efx_mac_ops[] = {
NULL,
#if EFSYS_OPT_MAC_FALCON_GMAC
&__efx_falcon_gmac_ops,
#else
NULL,
#endif /* EFSYS_OPT_MAC_FALCON_GMAC */
#if EFSYS_OPT_MAC_FALCON_XMAC
&__efx_falcon_xmac_ops,
#else
NULL,
#endif /* EFSYS_OPT_MAC_FALCON_XMAC */
#if EFSYS_OPT_SIENA
&__efx_siena_mac_ops,
#else
NULL,
#endif /* EFSYS_OPT_SIENA */
};
__checkReturn int
efx_mac_pdu_set(
__in efx_nic_t *enp,
__in size_t pdu)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
uint32_t old_pdu;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
if (pdu < EFX_MAC_PDU_MIN) {
rc = EINVAL;
goto fail1;
}
if (pdu > EFX_MAC_PDU_MAX) {
rc = EINVAL;
goto fail2;
}
old_pdu = epp->ep_mac_pdu;
epp->ep_mac_pdu = (uint32_t)pdu;
if ((rc = emop->emo_reconfigure(enp)) != 0)
goto fail3;
return (0);
fail3:
EFSYS_PROBE(fail3);
epp->ep_mac_pdu = old_pdu;
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_mac_addr_set(
__in efx_nic_t *enp,
__in uint8_t *addr)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
uint8_t old_addr[6];
uint32_t oui;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
if (addr[0] & 0x01) {
rc = EINVAL;
goto fail1;
}
oui = addr[0] << 16 | addr[1] << 8 | addr[2];
if (oui == 0x000000) {
rc = EINVAL;
goto fail2;
}
EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr);
EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr);
if ((rc = emop->emo_reconfigure(enp)) != 0)
goto fail3;
return (0);
fail3:
EFSYS_PROBE(fail3);
EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_mac_filter_set(
__in efx_nic_t *enp,
__in boolean_t unicst,
__in boolean_t brdcst)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
boolean_t old_unicst;
boolean_t old_brdcst;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
old_unicst = unicst;
old_brdcst = brdcst;
epp->ep_unicst = unicst;
epp->ep_brdcst = brdcst;
if ((rc = emop->emo_reconfigure(enp)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
epp->ep_unicst = old_unicst;
epp->ep_brdcst = old_brdcst;
return (rc);
}
__checkReturn int
efx_mac_drain(
__in efx_nic_t *enp,
__in boolean_t enabled)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
if (epp->ep_mac_drain == enabled)
return (0);
epp->ep_mac_drain = enabled;
if (enabled && emop->emo_reset != NULL) {
if ((rc = emop->emo_reset(enp)) != 0)
goto fail1;
EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
enp->en_reset_flags &= ~EFX_RESET_PHY;
}
if ((rc = emop->emo_reconfigure(enp)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_mac_up(
__in efx_nic_t *enp,
__out boolean_t *mac_upp)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
if ((rc = emop->emo_up(enp, mac_upp)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_mac_fcntl_set(
__in efx_nic_t *enp,
__in unsigned int fcntl,
__in boolean_t autoneg)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
efx_phy_ops_t *epop = epp->ep_epop;
unsigned int old_fcntl;
boolean_t old_autoneg;
unsigned int old_adv_cap;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) {
rc = EINVAL;
goto fail1;
}
/*
* Ignore a request to set flow control autonegotiation
* if the PHY doesn't support it.
*/
if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
autoneg = B_FALSE;
old_fcntl = epp->ep_fcntl;
old_autoneg = autoneg;
old_adv_cap = epp->ep_adv_cap_mask;
epp->ep_fcntl = fcntl;
epp->ep_fcntl_autoneg = autoneg;
/*
* If the PHY supports autonegotiation, then encode the flow control
* settings in the advertised capabilities, and restart AN. Otherwise,
* just push the new settings directly to the MAC.
*/
if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) {
if (fcntl & EFX_FCNTL_RESPOND)
epp->ep_adv_cap_mask |= (1 << EFX_PHY_CAP_PAUSE |
1 << EFX_PHY_CAP_ASYM);
else
epp->ep_adv_cap_mask &= ~(1 << EFX_PHY_CAP_PAUSE |
1 << EFX_PHY_CAP_ASYM);
if (fcntl & EFX_FCNTL_GENERATE)
epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM);
if ((rc = epop->epo_reconfigure(enp)) != 0)
goto fail2;
} else {
if ((rc = emop->emo_reconfigure(enp)) != 0)
goto fail2;
}
return (0);
fail2:
EFSYS_PROBE(fail2);
epp->ep_fcntl = old_fcntl;
epp->ep_fcntl_autoneg = old_autoneg;
epp->ep_adv_cap_mask = old_adv_cap;
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
void
efx_mac_fcntl_get(
__in efx_nic_t *enp,
__out unsigned int *fcntl_wantedp,
__out unsigned int *fcntl_linkp)
{
efx_port_t *epp = &(enp->en_port);
unsigned int wanted;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
/*
* If the PHY supports auto negotiation, then the requested flow
* control settings are encoded in the advertised capabilities.
*/
if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) {
wanted = 0;
if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE))
wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM))
wanted ^= EFX_FCNTL_GENERATE;
} else
wanted = epp->ep_fcntl;
*fcntl_linkp = epp->ep_fcntl;
*fcntl_wantedp = wanted;
}
__checkReturn int
efx_mac_hash_set(
__in efx_nic_t *enp,
__in_ecount(EFX_MAC_HASH_BITS) unsigned int const *bucket)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
efx_oword_t old_hash[2];
unsigned int index;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
/* Set the lower 128 bits of the hash */
EFX_ZERO_OWORD(epp->ep_multicst_hash[0]);
for (index = 0; index < 128; index++) {
if (bucket[index] != 0)
EFX_SET_OWORD_BIT(epp->ep_multicst_hash[0], index);
}
/* Set the upper 128 bits of the hash */
EFX_ZERO_OWORD(epp->ep_multicst_hash[1]);
for (index = 0; index < 128; index++) {
if (bucket[index + 128] != 0)
EFX_SET_OWORD_BIT(epp->ep_multicst_hash[1], index);
}
if ((rc = emop->emo_reconfigure(enp)) != 0)
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
return (rc);
}
#if EFSYS_OPT_MAC_STATS
#if EFSYS_OPT_NAMES
/* START MKCONFIG GENERATED EfxMacStatNamesBlock adf707adba80813e */
static const char __cs * __cs __efx_mac_stat_name[] = {
"rx_octets",
"rx_pkts",
"rx_unicst_pkts",
"rx_multicst_pkts",
"rx_brdcst_pkts",
"rx_pause_pkts",
"rx_le_64_pkts",
"rx_65_to_127_pkts",
"rx_128_to_255_pkts",
"rx_256_to_511_pkts",
"rx_512_to_1023_pkts",
"rx_1024_to_15xx_pkts",
"rx_ge_15xx_pkts",
"rx_errors",
"rx_fcs_errors",
"rx_drop_events",
"rx_false_carrier_errors",
"rx_symbol_errors",
"rx_align_errors",
"rx_internal_errors",
"rx_jabber_pkts",
"rx_lane0_char_err",
"rx_lane1_char_err",
"rx_lane2_char_err",
"rx_lane3_char_err",
"rx_lane0_disp_err",
"rx_lane1_disp_err",
"rx_lane2_disp_err",
"rx_lane3_disp_err",
"rx_match_fault",
"rx_nodesc_drop_cnt",
"tx_octets",
"tx_pkts",
"tx_unicst_pkts",
"tx_multicst_pkts",
"tx_brdcst_pkts",
"tx_pause_pkts",
"tx_le_64_pkts",
"tx_65_to_127_pkts",
"tx_128_to_255_pkts",
"tx_256_to_511_pkts",
"tx_512_to_1023_pkts",
"tx_1024_to_15xx_pkts",
"tx_ge_15xx_pkts",
"tx_errors",
"tx_sgl_col_pkts",
"tx_mult_col_pkts",
"tx_ex_col_pkts",
"tx_late_col_pkts",
"tx_def_pkts",
"tx_ex_def_pkts",
};
/* END MKCONFIG GENERATED EfxMacStatNamesBlock */
__checkReturn const char __cs *
efx_mac_stat_name(
__in efx_nic_t *enp,
__in unsigned int id)
{
_NOTE(ARGUNUSED(enp))
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS);
return (__efx_mac_stat_name[id]);
}
#endif /* EFSYS_OPT_STAT_NAME */
__checkReturn int
efx_mac_stats_upload(
__in efx_nic_t *enp,
__in efsys_mem_t *esmp)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
/*
* Don't assert !ep_mac_stats_pending, because the client might
* have failed to finalise statistics when previously stopping
* the port.
*/
if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
goto fail1;
epp->ep_mac_stats_pending = B_TRUE;
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_mac_stats_periodic(
__in efx_nic_t *enp,
__in efsys_mem_t *esmp,
__in uint16_t period_ms,
__in boolean_t events)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
if (emop->emo_stats_periodic == NULL) {
rc = EINVAL;
goto fail1;
}
if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn int
efx_mac_stats_update(
__in efx_nic_t *enp,
__in efsys_mem_t *esmp,
__inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *essp,
__in uint32_t *generationp)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_ops_t *emop = epp->ep_emop;
int rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
EFSYS_ASSERT(emop != NULL);
rc = emop->emo_stats_update(enp, esmp, essp, generationp);
if (rc == 0)
epp->ep_mac_stats_pending = B_FALSE;
return (rc);
}
#endif /* EFSYS_OPT_MAC_STATS */
__checkReturn int
efx_mac_select(
__in efx_nic_t *enp)
{
efx_port_t *epp = &(enp->en_port);
efx_mac_type_t type = EFX_MAC_INVALID;
efx_mac_ops_t *emop;
int rc = EINVAL;
#if EFSYS_OPT_SIENA
if (enp->en_family == EFX_FAMILY_SIENA) {
type = EFX_MAC_SIENA;
goto chosen;
}
#endif
#if EFSYS_OPT_FALCON
switch (epp->ep_link_mode) {
#if EFSYS_OPT_MAC_FALCON_GMAC
case EFX_LINK_100HDX:
case EFX_LINK_100FDX:
case EFX_LINK_1000HDX:
case EFX_LINK_1000FDX:
type = EFX_MAC_FALCON_GMAC;
goto chosen;
#endif /* EFSYS_OPT_FALCON_GMAC */
#if EFSYS_OPT_MAC_FALCON_XMAC
case EFX_LINK_10000FDX:
type = EFX_MAC_FALCON_XMAC;
goto chosen;
#endif /* EFSYS_OPT_FALCON_XMAC */
default:
#if EFSYS_OPT_MAC_FALCON_GMAC && EFSYS_OPT_MAC_FALCON_XMAC
/* Only initialise a MAC supported by the PHY */
if (epp->ep_phy_cap_mask &
((1 << EFX_PHY_CAP_1000FDX) |
(1 << EFX_PHY_CAP_1000HDX) |
(1 << EFX_PHY_CAP_100FDX) |
(1 << EFX_PHY_CAP_100HDX) |
(1 << EFX_PHY_CAP_10FDX) |
(1 << EFX_PHY_CAP_10FDX)))
type = EFX_MAC_FALCON_GMAC;
else
type = EFX_MAC_FALCON_XMAC;
#elif EFSYS_OPT_MAC_FALCON_GMAC
type = EFX_MAC_FALCON_GMAC;
#else
type = EFX_MAC_FALCON_XMAC;
#endif
goto chosen;
}
#endif /* EFSYS_OPT_FALCON */
chosen:
EFSYS_ASSERT(type != EFX_MAC_INVALID);
EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
emop = epp->ep_emop = (efx_mac_ops_t *)__efx_mac_ops[type];
EFSYS_ASSERT(emop != NULL);
epp->ep_mac_type = type;
if (emop->emo_reset != NULL) {
if ((rc = emop->emo_reset(enp)) != 0)
goto fail1;
EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
enp->en_reset_flags &= ~EFX_RESET_MAC;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}