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;
}
/*
* 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);
}
