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head/sys/dev/ixgbe/if_ixv.c
| Show First 20 Lines • Show All 1,464 Lines • ▼ Show 20 Lines | |||||
| } /* ixv_initialize_receive_units */ | } /* ixv_initialize_receive_units */ | ||||
| /************************************************************************ | /************************************************************************ | ||||
| * ixv_setup_vlan_support | * ixv_setup_vlan_support | ||||
| ************************************************************************/ | ************************************************************************/ | ||||
| static void | static void | ||||
| ixv_setup_vlan_support(if_ctx_t ctx) | ixv_setup_vlan_support(if_ctx_t ctx) | ||||
| { | { | ||||
| struct ifnet *ifp = iflib_get_ifp(ctx); | |||||
| struct adapter *adapter = iflib_get_softc(ctx); | struct adapter *adapter = iflib_get_softc(ctx); | ||||
| struct ixgbe_hw *hw = &adapter->hw; | struct ixgbe_hw *hw = &adapter->hw; | ||||
| u32 ctrl, vid, vfta, retry; | u32 ctrl, vid, vfta, retry; | ||||
| /* | /* | ||||
| * We get here thru if_init, meaning | * We get here thru if_init, meaning | ||||
| * a soft reset, this has already cleared | * a soft reset, this has already cleared | ||||
| * the VFTA and other state, so if there | * the VFTA and other state, so if there | ||||
| * have been no vlan's registered do nothing. | * have been no vlan's registered do nothing. | ||||
| */ | */ | ||||
| if (adapter->num_vlans == 0) | if (adapter->num_vlans == 0) | ||||
| return; | return; | ||||
| if (ifp->if_capenable & IFCAP_VLAN_HWTAGGING) { | |||||
| /* Enable the queues */ | /* Enable the queues */ | ||||
| for (int i = 0; i < adapter->num_rx_queues; i++) { | for (int i = 0; i < adapter->num_rx_queues; i++) { | ||||
| ctrl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); | ctrl = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); | ||||
| ctrl |= IXGBE_RXDCTL_VME; | ctrl |= IXGBE_RXDCTL_VME; | ||||
| IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), ctrl); | IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), ctrl); | ||||
| /* | /* | ||||
| * Let Rx path know that it needs to store VLAN tag | * Let Rx path know that it needs to store VLAN tag | ||||
| * as part of extra mbuf info. | * as part of extra mbuf info. | ||||
| */ | */ | ||||
| adapter->rx_queues[i].rxr.vtag_strip = TRUE; | adapter->rx_queues[i].rxr.vtag_strip = TRUE; | ||||
| } | } | ||||
| } | |||||
| /* | |||||
| * If filtering VLAN tags is disabled, | |||||
| * there is no need to fill VLAN Filter Table Array (VFTA). | |||||
| */ | |||||
| if ((ifp->if_capenable & IFCAP_VLAN_HWFILTER) == 0) | |||||
| return; | |||||
| /* | /* | ||||
| * A soft reset zero's out the VFTA, so | * A soft reset zero's out the VFTA, so | ||||
| * we need to repopulate it now. | * we need to repopulate it now. | ||||
| */ | */ | ||||
| for (int i = 0; i < IXGBE_VFTA_SIZE; i++) { | for (int i = 0; i < IXGBE_VFTA_SIZE; i++) { | ||||
| if (ixv_shadow_vfta[i] == 0) | if (ixv_shadow_vfta[i] == 0) | ||||
| continue; | continue; | ||||
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