diff options
| author |   Igor Russkikh <Igor.Russkikh@aquantia.com> | 2019-06-26 12:35:46 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-06-27 10:58:32 -0700 |
| commit | 880b3ca5043d16c887cc8ad22eb6831cace048b9 (patch) | |
| tree | e276a1bab8727900832372d9eba212d953729f46 /drivers/net/ethernet/aquantia/atlantic/aq_nic.c | |
| parent | net: aquantia: adding fields and device features for vlan offload (diff) | |
| download | linux-dev-880b3ca5043d16c887cc8ad22eb6831cace048b9.tar.xz linux-dev-880b3ca5043d16c887cc8ad22eb6831cace048b9.zip | |
net: aquantia: vlan offloads logic in datapath
Update datapath by adding logic related to hardware assisted
vlan strip/insert behaviour.
Tested-by: Nikita Danilov <ndanilov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/aquantia/atlantic/aq_nic.c')
| -rw-r--r-- | drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index aa0521e8e71a..746f85e6de13 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -429,26 +429,37 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self, unsigned int dx = ring->sw_tail; struct aq_ring_buff_s *first = NULL; struct aq_ring_buff_s *dx_buff = &ring->buff_ring[dx]; + bool need_context_tag = false; + + dx_buff->flags = 0U; if (unlikely(skb_is_gso(skb))) { - dx_buff->flags = 0U; + dx_buff->mss = skb_shinfo(skb)->gso_size; + dx_buff->is_gso = 1U; dx_buff->len_pkt = skb->len; dx_buff->len_l2 = ETH_HLEN; dx_buff->len_l3 = ip_hdrlen(skb); dx_buff->len_l4 = tcp_hdrlen(skb); - dx_buff->mss = skb_shinfo(skb)->gso_size; - dx_buff->is_gso = 1U; dx_buff->eop_index = 0xffffU; - dx_buff->is_ipv6 = (ip_hdr(skb)->version == 6) ? 1U : 0U; + need_context_tag = true; + } + if (self->aq_nic_cfg.is_vlan_tx_insert && skb_vlan_tag_present(skb)) { + dx_buff->vlan_tx_tag = skb_vlan_tag_get(skb); + dx_buff->len_pkt = skb->len; + dx_buff->is_vlan = 1U; + need_context_tag = true; + } + + if (need_context_tag) { dx = aq_ring_next_dx(ring, dx); dx_buff = &ring->buff_ring[dx]; + dx_buff->flags = 0U; ++ret; } - dx_buff->flags = 0U; dx_buff->len = skb_headlen(skb); dx_buff->pa = dma_map_single(aq_nic_get_dev(self), skb->data, @@ -537,7 +548,7 @@ mapping_error: --ret, dx = aq_ring_next_dx(ring, dx)) { dx_buff = &ring->buff_ring[dx]; - if (!dx_buff->is_gso && dx_buff->pa) { + if (!dx_buff->is_gso && !dx_buff->is_vlan && dx_buff->pa) { if (unlikely(dx_buff->is_sop)) { dma_unmap_single(aq_nic_get_dev(self), dx_buff->pa, |