From 57569d0e12eaf31717e295960cd2a26f626c8e5b Mon Sep 17 00:00:00 2001 From: Rajesh Borundia Date: Sat, 6 Aug 2011 16:46:44 +0000 Subject: netxen: add vlan LRO support o To support vlan lro, driver need to program ip address in device. o Same ip addresses need to be program after fw recovery, so sotre them in list. o In case of vlan packet, include vlan header length while calculating ip and tcp headers. Signed-off-by: Rajesh Borundia Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/netxen/netxen_nic_init.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/net/netxen/netxen_nic_init.c') diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index e8993a76a080..d6c6357de6aa 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -26,6 +26,7 @@ #include #include #include +#include #include "netxen_nic.h" #include "netxen_nic_hw.h" @@ -1619,6 +1620,7 @@ netxen_process_lro(struct netxen_adapter *adapter, int index; u16 lro_length, length, data_offset; u32 seq_number; + u8 vhdr_len; if (unlikely(ring > adapter->max_rds_rings)) return NULL; @@ -1652,8 +1654,10 @@ netxen_process_lro(struct netxen_adapter *adapter, skb_pull(skb, l2_hdr_offset); skb->protocol = eth_type_trans(skb, netdev); - iph = (struct iphdr *)skb->data; - th = (struct tcphdr *)(skb->data + (iph->ihl << 2)); + if (skb->protocol == htons(ETH_P_8021Q)) + vhdr_len = VLAN_HLEN; + iph = (struct iphdr *)(skb->data + vhdr_len); + th = (struct tcphdr *)((skb->data + vhdr_len) + (iph->ihl << 2)); length = (iph->ihl << 2) + (th->doff << 2) + lro_length; iph->tot_len = htons(length); -- cgit v1.2.3-59-g8ed1b