static int
i40e_pf_host_process_cmd_config_promisc_mode(
struct i40e_pf_vf *vf,
uint8_t *msg,
uint16_t msglen)
{
int ret = I40E_SUCCESS;
struct i40e_virtchnl_promisc_info *promisc =
(struct i40e_virtchnl_promisc_info *)msg;
struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
bool unicast = FALSE, multicast = FALSE;
if (msg == NULL || msglen != sizeof(*promisc)) {
ret = I40E_ERR_PARAM;
goto send_msg;
}
if (promisc->flags & I40E_FLAG_VF_UNICAST_PROMISC)
unicast = TRUE;
ret = i40e_aq_set_vsi_unicast_promiscuous(hw,
vf->vsi->seid, unicast, NULL);
if (ret != I40E_SUCCESS)
goto send_msg;
if (promisc->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
multicast = TRUE;
ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid,
multicast, NULL);
send_msg:
i40e_pf_host_send_msg_to_vf(vf,
I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0);
return ret;
}
/*
* See the big theory statement in i40e_main.c for multicast address management.
*/
static int
i40e_multicast_add(i40e_t *i40e, const uint8_t *multicast_address)
{
struct i40e_hw *hw = &i40e->i40e_hw_space;
struct i40e_aqc_add_macvlan_element_data filt;
i40e_maddr_t *mc;
int ret;
ASSERT(MUTEX_HELD(&i40e->i40e_general_lock));
if (i40e->i40e_resources.ifr_nmcastfilt_used ==
i40e->i40e_resources.ifr_nmcastfilt) {
if (i40e->i40e_mcast_promisc_count == 0 &&
i40e->i40e_promisc_on == B_FALSE) {
ret = i40e_aq_set_vsi_multicast_promiscuous(hw,
i40e->i40e_vsi_id, B_TRUE, NULL);
if (ret != I40E_SUCCESS) {
i40e_error(i40e, "failed to enable multicast "
"promiscuous mode on VSI %d: %d",
i40e->i40e_vsi_id, ret);
return (EIO);
}
}
i40e->i40e_mcast_promisc_count++;
return (0);
}
mc = &i40e->i40e_maddrs[i40e->i40e_resources.ifr_nmcastfilt_used];
bzero(&filt, sizeof (filt));
bcopy(multicast_address, filt.mac_addr, ETHERADDRL);
filt.flags = I40E_AQC_MACVLAN_ADD_HASH_MATCH |
I40E_AQC_MACVLAN_ADD_IGNORE_VLAN;
if ((ret = i40e_aq_add_macvlan(hw, i40e->i40e_vsi_id, &filt, 1,
NULL)) != I40E_SUCCESS) {
i40e_error(i40e, "failed to add mac address "
"%2x:%2x:%2x:%2x:%2x:%2x to multicast filter: %d",
multicast_address[0], multicast_address[1],
multicast_address[2], multicast_address[3],
multicast_address[4], multicast_address[5],
ret);
return (EIO);
}
bcopy(multicast_address, mc->ima_mac, ETHERADDRL);
i40e->i40e_resources.ifr_nmcastfilt_used++;
return (0);
}
/*
* See the big theory statement in i40e_main.c for multicast address management.
*/
static int
i40e_multicast_remove(i40e_t *i40e, const uint8_t *multicast_address)
{
int i, ret;
struct i40e_hw *hw = &i40e->i40e_hw_space;
ASSERT(MUTEX_HELD(&i40e->i40e_general_lock));
for (i = 0; i < i40e->i40e_resources.ifr_nmcastfilt_used; i++) {
struct i40e_aqc_remove_macvlan_element_data filt;
int last;
if (bcmp(multicast_address, i40e->i40e_maddrs[i].ima_mac,
ETHERADDRL) != 0) {
continue;
}
bzero(&filt, sizeof (filt));
bcopy(multicast_address, filt.mac_addr, ETHERADDRL);
filt.flags = I40E_AQC_MACVLAN_DEL_HASH_MATCH |
I40E_AQC_MACVLAN_DEL_IGNORE_VLAN;
if (i40e_aq_remove_macvlan(hw, i40e->i40e_vsi_id,
&filt, 1, NULL) != I40E_SUCCESS) {
i40e_error(i40e, "failed to remove mac address "
"%2x:%2x:%2x:%2x:%2x:%2x from multicast "
"filter: %d",
multicast_address[0], multicast_address[1],
multicast_address[2], multicast_address[3],
multicast_address[4], multicast_address[5],
filt.error_code);
return (EIO);
}
last = i40e->i40e_resources.ifr_nmcastfilt_used - 1;
if (i != last) {
bcopy(&i40e->i40e_maddrs[last], &i40e->i40e_maddrs[i],
sizeof (i40e_maddr_t));
bzero(&i40e->i40e_maddrs[last], sizeof (i40e_maddr_t));
}
ASSERT(i40e->i40e_resources.ifr_nmcastfilt_used > 0);
i40e->i40e_resources.ifr_nmcastfilt_used--;
return (0);
}
if (i40e->i40e_mcast_promisc_count > 0) {
if (i40e->i40e_mcast_promisc_count == 1 &&
i40e->i40e_promisc_on == B_FALSE) {
ret = i40e_aq_set_vsi_multicast_promiscuous(hw,
i40e->i40e_vsi_id, B_FALSE, NULL);
if (ret != I40E_SUCCESS) {
i40e_error(i40e, "failed to disable "
"multicast promiscuous mode on VSI %d: %d",
i40e->i40e_vsi_id, ret);
return (EIO);
}
}
i40e->i40e_mcast_promisc_count--;
return (0);
}
return (ENOENT);
}
/*
* Enable and disable promiscuous mode as requested. We have to toggle both
* unicast and multicast. Note that multicast may already be enabled due to the
* i40e_m_multicast may toggle it itself. See i40e_main.c for more information
* on this.
*/
static int
i40e_m_promisc(void *arg, boolean_t on)
{
i40e_t *i40e = arg;
struct i40e_hw *hw = &i40e->i40e_hw_space;
int ret = 0, err = 0;
mutex_enter(&i40e->i40e_general_lock);
if (i40e->i40e_state & I40E_SUSPENDED) {
ret = ECANCELED;
goto done;
}
ret = i40e_aq_set_vsi_unicast_promiscuous(hw, i40e->i40e_vsi_id,
on, NULL);
if (ret != I40E_SUCCESS) {
i40e_error(i40e, "failed to %s unicast promiscuity on "
"the default VSI: %d", on == B_TRUE ? "enable" : "disable",
ret);
err = EIO;
goto done;
}
/*
* If we have a non-zero mcast_promisc_count, then it has already been
* enabled or we need to leave it that way and not touch it.
*/
if (i40e->i40e_mcast_promisc_count > 0) {
i40e->i40e_promisc_on = on;
goto done;
}
ret = i40e_aq_set_vsi_multicast_promiscuous(hw, i40e->i40e_vsi_id,
on, NULL);
if (ret != I40E_SUCCESS) {
i40e_error(i40e, "failed to %s multicast promiscuity on "
"the default VSI: %d", on == B_TRUE ? "enable" : "disable",
ret);
/*
* Try our best to put us back into a state that MAC expects us
* to be in.
*/
ret = i40e_aq_set_vsi_unicast_promiscuous(hw, i40e->i40e_vsi_id,
!on, NULL);
if (ret != I40E_SUCCESS) {
i40e_error(i40e, "failed to %s unicast promiscuity on "
"the default VSI after toggling multicast failed: "
"%d", on == B_TRUE ? "disable" : "enable", ret);
}
err = EIO;
goto done;
} else {
i40e->i40e_promisc_on = on;
}
done:
mutex_exit(&i40e->i40e_general_lock);
return (err);
}
