__checkReturn efx_rc_t
efx_mac_addr_set(
__in efx_nic_t *enp,
__in uint8_t *addr)
{
efx_port_t *epp = &(enp->en_port);
const efx_mac_ops_t *emop = epp->ep_emop;
uint8_t old_addr[6];
uint32_t oui;
efx_rc_t rc;
EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
if (EFX_MAC_ADDR_IS_MULTICAST(addr)) {
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_addr_set(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, efx_rc_t, rc);
return (rc);
}
/*
* Decide whether a filter should be exclusive or else should allow
* delivery to additional recipients. Currently we decide that
* filters for specific local unicast MAC and IP addresses are
* exclusive.
*/
static __checkReturn boolean_t
ef10_filter_is_exclusive(
__in efx_filter_spec_t *spec)
{
if ((spec->efs_match_flags & EFX_FILTER_MATCH_LOC_MAC) &&
!EFX_MAC_ADDR_IS_MULTICAST(spec->efs_loc_mac))
return (B_TRUE);
if ((spec->efs_match_flags &
(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_LOC_HOST)) ==
(EFX_FILTER_MATCH_ETHER_TYPE | EFX_FILTER_MATCH_LOC_HOST)) {
if ((spec->efs_ether_type == EFX_ETHER_TYPE_IPV4) &&
((spec->efs_loc_host.eo_u8[0] & 0xf) != 0xe))
return (B_TRUE);
if ((spec->efs_ether_type == EFX_ETHER_TYPE_IPV6) &&
(spec->efs_loc_host.eo_u8[0] != 0xff))
return (B_TRUE);
}
return (B_FALSE);
}
static __checkReturn efx_rc_t
efx_mcdi_filter_op_add(
__in efx_nic_t *enp,
__in efx_filter_spec_t *spec,
__in unsigned int filter_op,
__inout ef10_filter_handle_t *handle)
{
efx_mcdi_req_t req;
uint8_t payload[MAX(MC_CMD_FILTER_OP_IN_LEN,
MC_CMD_FILTER_OP_OUT_LEN)];
uint32_t match_fields = 0;
efx_rc_t rc;
memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_FILTER_OP;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_FILTER_OP_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_FILTER_OP_OUT_LEN;
switch (filter_op) {
case MC_CMD_FILTER_OP_IN_OP_REPLACE:
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_HANDLE_LO,
handle->efh_lo);
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_HANDLE_HI,
handle->efh_hi);
/* Fall through */
case MC_CMD_FILTER_OP_IN_OP_INSERT:
case MC_CMD_FILTER_OP_IN_OP_SUBSCRIBE:
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_OP, filter_op);
break;
default:
EFSYS_ASSERT(0);
rc = EINVAL;
goto fail1;
}
if (spec->efs_match_flags & EFX_FILTER_MATCH_LOC_MAC_IG) {
/*
* The LOC_MAC_IG match flag can represent unknown unicast
* or multicast filters - use the MAC address to distinguish
* them.
*/
if (EFX_MAC_ADDR_IS_MULTICAST(spec->efs_loc_mac))
match_fields |= 1U <<
MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_MCAST_DST_LBN;
else
match_fields |= 1U <<
MC_CMD_FILTER_OP_IN_MATCH_UNKNOWN_UCAST_DST_LBN;
}
match_fields |= spec->efs_match_flags & (~EFX_FILTER_MATCH_LOC_MAC_IG);
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_PORT_ID,
EVB_PORT_ID_ASSIGNED);
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_MATCH_FIELDS,
match_fields);
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_RX_DEST,
MC_CMD_FILTER_OP_IN_RX_DEST_HOST);
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_RX_QUEUE,
spec->efs_dmaq_id);
if (spec->efs_flags & EFX_FILTER_FLAG_RX_RSS) {
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_RX_CONTEXT,
spec->efs_rss_context);
}
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_RX_MODE,
spec->efs_flags & EFX_FILTER_FLAG_RX_RSS ?
MC_CMD_FILTER_OP_IN_RX_MODE_RSS :
MC_CMD_FILTER_OP_IN_RX_MODE_SIMPLE);
MCDI_IN_SET_DWORD(req, FILTER_OP_IN_TX_DEST,
MC_CMD_FILTER_OP_IN_TX_DEST_DEFAULT);
if (filter_op != MC_CMD_FILTER_OP_IN_OP_REPLACE) {
/*
* NOTE: Unlike most MCDI requests, the filter fields
* are presented in network (big endian) byte order.
*/
memcpy(MCDI_IN2(req, uint8_t, FILTER_OP_IN_SRC_MAC),
spec->efs_rem_mac, EFX_MAC_ADDR_LEN);
memcpy(MCDI_IN2(req, uint8_t, FILTER_OP_IN_DST_MAC),
spec->efs_loc_mac, EFX_MAC_ADDR_LEN);
MCDI_IN_SET_WORD(req, FILTER_OP_IN_SRC_PORT,
__CPU_TO_BE_16(spec->efs_rem_port));
MCDI_IN_SET_WORD(req, FILTER_OP_IN_DST_PORT,
__CPU_TO_BE_16(spec->efs_loc_port));
MCDI_IN_SET_WORD(req, FILTER_OP_IN_ETHER_TYPE,
__CPU_TO_BE_16(spec->efs_ether_type));
MCDI_IN_SET_WORD(req, FILTER_OP_IN_INNER_VLAN,
__CPU_TO_BE_16(spec->efs_inner_vid));
MCDI_IN_SET_WORD(req, FILTER_OP_IN_OUTER_VLAN,
__CPU_TO_BE_16(spec->efs_outer_vid));
/* IP protocol (in low byte, high byte is zero) */
MCDI_IN_SET_BYTE(req, FILTER_OP_IN_IP_PROTO,
spec->efs_ip_proto);
EFX_STATIC_ASSERT(sizeof (spec->efs_rem_host) ==
MC_CMD_FILTER_OP_IN_SRC_IP_LEN);
EFX_STATIC_ASSERT(sizeof (spec->efs_loc_host) ==
MC_CMD_FILTER_OP_IN_DST_IP_LEN);
memcpy(MCDI_IN2(req, uint8_t, FILTER_OP_IN_SRC_IP),
&spec->efs_rem_host.eo_byte[0],
MC_CMD_FILTER_OP_IN_SRC_IP_LEN);
memcpy(MCDI_IN2(req, uint8_t, FILTER_OP_IN_DST_IP),
&spec->efs_loc_host.eo_byte[0],
MC_CMD_FILTER_OP_IN_DST_IP_LEN);
}
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail2;
}
if (req.emr_out_length_used < MC_CMD_FILTER_OP_OUT_LEN) {
rc = EMSGSIZE;
goto fail3;
}
handle->efh_lo = MCDI_OUT_DWORD(req, FILTER_OP_OUT_HANDLE_LO);
handle->efh_hi = MCDI_OUT_DWORD(req, FILTER_OP_OUT_HANDLE_HI);
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
