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Commit 5f2f3cad authored by Sowmini Varadhan's avatar Sowmini Varadhan Committed by David S. Miller
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sunvnet: Initialize network_header and transport_header in vnet_rx_one() 



vnet_fullcsum() accesses ip_hdr() and transport header to compute
the checksum for IPv4 packets, so these need to be initialized in
skb created in vnet_rx_one().

Signed-off-by: default avatarSowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b4ace4f1

drivers/net/ethernet/sun/sunvnet.c

+13 −3
Original line number Diff line number Diff line
@@ -389,17 +389,27 @@ static int vnet_rx_one(struct vnet_port *port, struct vio_net_desc *desc) 
	if (vio_version_after_eq(&port->vio, 1, 8)) {

		struct vio_net_dext *dext = vio_net_ext(desc);



		skb_reset_network_header(skb);



		if (dext->flags & VNET_PKT_HCK_IPV4_HDRCKSUM) {

			if (skb->protocol == ETH_P_IP) {

				struct iphdr *iph = (struct iphdr *)skb->data;

				struct iphdr *iph = ip_hdr(skb);



				iph->check = 0;

				ip_send_check(iph);

			}

		}

		if ((dext->flags & VNET_PKT_HCK_FULLCKSUM) &&

		    skb->ip_summed == CHECKSUM_NONE)

		    skb->ip_summed == CHECKSUM_NONE) {

			if (skb->protocol == htons(ETH_P_IP)) {

				struct iphdr *iph = ip_hdr(skb);

				int ihl = iph->ihl * 4;



				skb_reset_transport_header(skb);

				skb_set_transport_header(skb, ihl);

				vnet_fullcsum(skb);

			}

		}

		if (dext->flags & VNET_PKT_HCK_IPV4_HDRCKSUM_OK) {

			skb->ip_summed = CHECKSUM_PARTIAL;

			skb->csum_level = 0;