From patchwork Thu Feb 7 13:13:05 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCHv2-net-3.8,1/3] ixgbe: fix gso type Date: Thu, 07 Feb 2013 03:13:05 -0000 From: "Michael S. Tsirkin" X-Patchwork-Id: 218926 Message-Id: To: netdev@vger.kernel.org Cc: Eilon Greenstein , Jeff Kirsher , Jesse Brandeburg , Bruce Allan , Carolyn Wyborny , Don Skidmore , Greg Rose , Peter P Waskiewicz Jr , Alex Duyck , John Ronciak , Tushar Dave , Jitendra Kalsaria , Sony Chacko , linux-driver@qlogic.com, John Fastabend , "David S. Miller" , Jacob Keller , linux-kernel@vger.kernel.org, e1000-devel@lists.sourceforge.net, bhutchings@solarflare.com, eric.dumazet@gmail.com ixgbe set gso_size but not gso_type. This leads to crashes in macvtap. Signed-off-by: Michael S. Tsirkin --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 20a5af6..e1b2d22 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1401,6 +1401,10 @@ static void ixgbe_set_rsc_gso_size(struct ixgbe_ring *ring, /* set gso_size to avoid messing up TCP MSS */ skb_shinfo(skb)->gso_size = DIV_ROUND_UP((skb->len - hdr_len), IXGBE_CB(skb)->append_cnt); + if (skb->protocol == __constant_htons(ETH_P_IPV6)) + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; + else + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; } static void ixgbe_update_rsc_stats(struct ixgbe_ring *rx_ring, @@ -1435,6 +1439,8 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, { struct net_device *dev = rx_ring->netdev; + skb->protocol = eth_type_trans(skb, dev); + ixgbe_update_rsc_stats(rx_ring, skb); ixgbe_rx_hash(rx_ring, rx_desc, skb); @@ -1450,8 +1456,6 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, } skb_record_rx_queue(skb, rx_ring->queue_index); - - skb->protocol = eth_type_trans(skb, dev); } static void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector,