diff options
Diffstat (limited to 'src/vnet/devices/tap/tap.c')
| -rw-r--r-- | src/vnet/devices/tap/tap.c | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/src/vnet/devices/tap/tap.c b/src/vnet/devices/tap/tap.c index 19333f0ab10..2e7ad39f3b4 100644 --- a/src/vnet/devices/tap/tap.c +++ b/src/vnet/devices/tap/tap.c @@ -130,6 +130,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) tap_main_t *tm = &tap_main; vnet_sw_interface_t *sw; vnet_hw_interface_t *hw; + vnet_hw_if_caps_change_t cc; int i, num_vhost_queues; int old_netns_fd = -1; struct ifreq ifr = {.ifr_flags = IFF_NO_PI | IFF_VNET_HDR }; @@ -665,16 +666,16 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) args->sw_if_index = vif->sw_if_index; args->rv = 0; hw = vnet_get_hw_interface (vnm, vif->hw_if_index); - hw->caps |= VNET_HW_IF_CAP_INT_MODE; + cc.mask = VNET_HW_IF_CAP_INT_MODE | VNET_HW_IF_CAP_TCP_GSO | + VNET_HW_IF_CAP_TX_TCP_CKSUM | VNET_HW_IF_CAP_TX_UDP_CKSUM; + cc.val = VNET_HW_IF_CAP_INT_MODE; + if (args->tap_flags & TAP_FLAG_GSO) - { - hw->caps |= VNET_HW_IF_CAP_TCP_GSO | VNET_HW_IF_CAP_TX_TCP_CKSUM | - VNET_HW_IF_CAP_TX_UDP_CKSUM; - } + cc.val |= VNET_HW_IF_CAP_TCP_GSO | VNET_HW_IF_CAP_TX_TCP_CKSUM | + VNET_HW_IF_CAP_TX_UDP_CKSUM; else if (args->tap_flags & TAP_FLAG_CSUM_OFFLOAD) - { - hw->caps |= VNET_HW_IF_CAP_TX_TCP_CKSUM | VNET_HW_IF_CAP_TX_UDP_CKSUM; - } + cc.val |= VNET_HW_IF_CAP_TX_TCP_CKSUM | VNET_HW_IF_CAP_TX_UDP_CKSUM; + if ((args->tap_flags & TAP_FLAG_GSO) && (args->tap_flags & TAP_FLAG_GRO_COALESCE)) { @@ -690,6 +691,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) vnet_sw_interface_set_mtu (vnm, hw->sw_if_index, hw->max_packet_bytes); } + vnet_hw_if_change_caps (vnm, vif->hw_if_index, &cc); virtio_pre_input_node_enable (vm, vif); virtio_vring_set_rx_queues (vm, vif); virtio_vring_set_tx_queues (vm, vif); @@ -770,6 +772,7 @@ tap_csum_offload_enable_disable (vlib_main_t * vm, u32 sw_if_index, virtio_main_t *mm = &virtio_main; virtio_if_t *vif; vnet_hw_interface_t *hw; + vnet_hw_if_caps_change_t cc; clib_error_t *err = 0; int i = 0; @@ -787,21 +790,19 @@ tap_csum_offload_enable_disable (vlib_main_t * vm, u32 sw_if_index, _IOCTL (vif->tap_fds[i], TUNSETOFFLOAD, offload); vif->gso_enabled = 0; vif->packet_coalesce = 0; - vif->csum_offload_enabled = enable_disable ? 1 : 0; - - if ((hw->caps & VNET_HW_IF_CAP_TCP_GSO) != 0) - { - hw->caps &= ~VNET_HW_IF_CAP_TCP_GSO; - } + cc.mask = VNET_HW_IF_CAP_TCP_GSO | VNET_HW_IF_CAP_L4_TX_CKSUM; if (enable_disable) { - hw->caps |= VNET_HW_IF_CAP_L4_TX_CKSUM; + cc.val = VNET_HW_IF_CAP_L4_TX_CKSUM; + vif->csum_offload_enabled = 1; } else { - hw->caps &= ~VNET_HW_IF_CAP_L4_TX_CKSUM; + cc.val = 0; + vif->csum_offload_enabled = 0; } + vnet_hw_if_change_caps (vnm, vif->hw_if_index, &cc); error: if (err) @@ -821,6 +822,7 @@ tap_gso_enable_disable (vlib_main_t * vm, u32 sw_if_index, int enable_disable, virtio_main_t *mm = &virtio_main; virtio_if_t *vif; vnet_hw_interface_t *hw; + vnet_hw_if_caps_change_t cc; clib_error_t *err = 0; int i = 0; @@ -836,27 +838,25 @@ tap_gso_enable_disable (vlib_main_t * vm, u32 sw_if_index, int enable_disable, unsigned int offload = enable_disable ? gso_on : gso_off; vec_foreach_index (i, vif->tap_fds) _IOCTL (vif->tap_fds[i], TUNSETOFFLOAD, offload); - vif->gso_enabled = enable_disable ? 1 : 0; - vif->csum_offload_enabled = 0; + + cc.mask = VNET_HW_IF_CAP_TCP_GSO | VNET_HW_IF_CAP_L4_TX_CKSUM; + if (enable_disable) { - if ((hw->caps & VNET_HW_IF_CAP_TCP_GSO) == 0) - { - hw->caps |= VNET_HW_IF_CAP_TCP_GSO | VNET_HW_IF_CAP_L4_TX_CKSUM; - } + cc.val = cc.mask; + vif->gso_enabled = 1; + vif->csum_offload_enabled = 1; if (is_packet_coalesce) - { - virtio_set_packet_coalesce (vif); - } + virtio_set_packet_coalesce (vif); } else { - if ((hw->caps & VNET_HW_IF_CAP_TCP_GSO) != 0) - { - hw->caps &= ~(VNET_HW_IF_CAP_TCP_GSO | VNET_HW_IF_CAP_L4_TX_CKSUM); - } + cc.val = 0; + vif->gso_enabled = 0; + vif->csum_offload_enabled = 0; vif->packet_coalesce = 0; } + vnet_hw_if_change_caps (vnm, vif->hw_if_index, &cc); error: if (err) |