__checkReturn int
siena_mac_reconfigure(
__in efx_nic_t *enp)
{
efx_port_t *epp = &(enp->en_port);
uint8_t payload[MAX(MC_CMD_SET_MAC_IN_LEN,
MC_CMD_SET_MCAST_HASH_IN_LEN)];
efx_mcdi_req_t req;
unsigned int fcntl;
int rc;
req.emr_cmd = MC_CMD_SET_MAC;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
EFX_STATIC_ASSERT(MC_CMD_SET_MAC_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
epp->ep_mac_addr);
MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
SET_MAC_IN_REJECT_UNCST, !epp->ep_unicst,
SET_MAC_IN_REJECT_BRDCST, !epp->ep_brdcst);
if (epp->ep_fcntl_autoneg)
/* efx_fcntl_set() has already set the phy capabilities */
fcntl = MC_CMD_FCNTL_AUTO;
else if (epp->ep_fcntl & EFX_FCNTL_RESPOND)
fcntl = (epp->ep_fcntl & EFX_FCNTL_GENERATE)
? MC_CMD_FCNTL_BIDIR
: MC_CMD_FCNTL_RESPOND;
else
fcntl = MC_CMD_FCNTL_OFF;
MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, fcntl);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
/* Push multicast hash. Set the broadcast bit (0xff) appropriately */
req.emr_cmd = MC_CMD_SET_MCAST_HASH;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_SET_MCAST_HASH_IN_LEN;
EFX_STATIC_ASSERT(MC_CMD_SET_MCAST_HASH_OUT_LEN == 0);
req.emr_out_buf = NULL;
req.emr_out_length = 0;
memcpy(MCDI_IN2(req, uint8_t, SET_MCAST_HASH_IN_HASH0),
epp->ep_multicst_hash, sizeof (epp->ep_multicst_hash));
if (epp->ep_brdcst)
EFX_SET_OWORD_BIT(*MCDI_IN2(req, efx_oword_t,
SET_MCAST_HASH_IN_HASH1), 0x7f);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail2;
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, int, rc);
return (rc);
}
__checkReturn efx_rc_t
siena_mac_reconfigure(
__in efx_nic_t *enp)
{
efx_port_t *epp = &(enp->en_port);
efx_oword_t multicast_hash[2];
efx_mcdi_req_t req;
EFX_MCDI_DECLARE_BUF(payload,
MAX(MC_CMD_SET_MAC_IN_LEN, MC_CMD_SET_MCAST_HASH_IN_LEN),
MAX(MC_CMD_SET_MAC_OUT_LEN, MC_CMD_SET_MCAST_HASH_OUT_LEN));
unsigned int fcntl;
efx_rc_t rc;
req.emr_cmd = MC_CMD_SET_MAC;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_SET_MAC_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_SET_MAC_OUT_LEN;
MCDI_IN_SET_DWORD(req, SET_MAC_IN_MTU, epp->ep_mac_pdu);
MCDI_IN_SET_DWORD(req, SET_MAC_IN_DRAIN, epp->ep_mac_drain ? 1 : 0);
EFX_MAC_ADDR_COPY(MCDI_IN2(req, uint8_t, SET_MAC_IN_ADDR),
epp->ep_mac_addr);
MCDI_IN_POPULATE_DWORD_2(req, SET_MAC_IN_REJECT,
SET_MAC_IN_REJECT_UNCST, !epp->ep_all_unicst,
SET_MAC_IN_REJECT_BRDCST, !epp->ep_brdcst);
if (epp->ep_fcntl_autoneg)
/* efx_fcntl_set() has already set the phy capabilities */
fcntl = MC_CMD_FCNTL_AUTO;
else if (epp->ep_fcntl & EFX_FCNTL_RESPOND)
fcntl = (epp->ep_fcntl & EFX_FCNTL_GENERATE)
? MC_CMD_FCNTL_BIDIR
: MC_CMD_FCNTL_RESPOND;
else
fcntl = MC_CMD_FCNTL_OFF;
MCDI_IN_SET_DWORD(req, SET_MAC_IN_FCNTL, fcntl);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
/* Push multicast hash */
if (epp->ep_all_mulcst) {
/* A hash matching all multicast is all 1s */
EFX_SET_OWORD(multicast_hash[0]);
EFX_SET_OWORD(multicast_hash[1]);
} else if (epp->ep_mulcst) {
/* Use the hash set by the multicast list */
multicast_hash[0] = epp->ep_multicst_hash[0];
multicast_hash[1] = epp->ep_multicst_hash[1];
} else {
/* A hash matching no traffic is simply 0 */
EFX_ZERO_OWORD(multicast_hash[0]);
EFX_ZERO_OWORD(multicast_hash[1]);
}
/*
* Broadcast packets go through the multicast hash filter.
* The IEEE 802.3 CRC32 of the broadcast address is 0xbe2612ff
* so we always add bit 0xff to the mask (bit 0x7f in the
* second octword).
*/
if (epp->ep_brdcst) {
/*
* NOTE: due to constant folding, some of this evaluates
* to null expressions, giving E_EXPR_NULL_EFFECT during
* lint on Illumos. No good way to fix this without
* explicit coding the individual word/bit setting.
* So just suppress lint for this one line.
*/
/* LINTED */
EFX_SET_OWORD_BIT(multicast_hash[1], 0x7f);
}
(void) memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_SET_MCAST_HASH;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_SET_MCAST_HASH_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_SET_MCAST_HASH_OUT_LEN;
memcpy(MCDI_IN2(req, uint8_t, SET_MCAST_HASH_IN_HASH0),
multicast_hash, sizeof (multicast_hash));
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail2;
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
