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| author | Mike Rapoport <rppt@linux.vnet.ibm.com> | 2016-06-08 16:09:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-10 23:03:56 -0700 |
| commit | 1276f24eeef207e5572649d069ba1b531b2e2c3a (patch) | |
| tree | a5ff31fcdaf90aeef679b5ca193aa8c84d25f428 /net/packet | |
| parent | e858fae2b0b8f41f0bed2cdffde25e7c97da38a7 (diff) | |
| download | linux-1276f24eeef207e5572649d069ba1b531b2e2c3a.tar.gz linux-1276f24eeef207e5572649d069ba1b531b2e2c3a.tar.bz2 linux-1276f24eeef207e5572649d069ba1b531b2e2c3a.zip | |
packet: use common code for virtio_net_hdr and skb GSO conversion
Replace open coded conversion between virtio_net_hdr to skb GSO info with
virtio_net_hdr_from_skb
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet')
| -rw-r--r-- | net/packet/af_packet.c | 36 |
1 files changed, 2 insertions, 34 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 9bff6ef16fa7..d1f3b9e977e5 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1979,40 +1979,8 @@ static int __packet_rcv_vnet(const struct sk_buff *skb, { *vnet_hdr = (const struct virtio_net_hdr) { 0 }; - if (skb_is_gso(skb)) { - struct skb_shared_info *sinfo = skb_shinfo(skb); - - /* This is a hint as to how much should be linear. */ - vnet_hdr->hdr_len = - __cpu_to_virtio16(vio_le(), skb_headlen(skb)); - vnet_hdr->gso_size = - __cpu_to_virtio16(vio_le(), sinfo->gso_size); - - if (sinfo->gso_type & SKB_GSO_TCPV4) - vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV4; - else if (sinfo->gso_type & SKB_GSO_TCPV6) - vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_TCPV6; - else if (sinfo->gso_type & SKB_GSO_UDP) - vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_UDP; - else if (sinfo->gso_type & SKB_GSO_FCOE) - return -EINVAL; - else - BUG(); - - if (sinfo->gso_type & SKB_GSO_TCP_ECN) - vnet_hdr->gso_type |= VIRTIO_NET_HDR_GSO_ECN; - } else - vnet_hdr->gso_type = VIRTIO_NET_HDR_GSO_NONE; - - if (skb->ip_summed == CHECKSUM_PARTIAL) { - vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM; - vnet_hdr->csum_start = __cpu_to_virtio16(vio_le(), - skb_checksum_start_offset(skb)); - vnet_hdr->csum_offset = __cpu_to_virtio16(vio_le(), - skb->csum_offset); - } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) { - vnet_hdr->flags = VIRTIO_NET_HDR_F_DATA_VALID; - } /* else everything is zero */ + if (virtio_net_hdr_from_skb(skb, vnet_hdr, vio_le())) + BUG(); return 0; } |