Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=91e745aa46336087e1295d44685ee2839bbba07d
Commit: 91e745aa46336087e1295d44685ee2839bbba07d
Parent: 59b34c1260045ca264c0208f2b666e839909e2d4
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Wed May 30 14:23:18 2007 -0700
Committer: Jeff Garzik <[EMAIL PROTECTED]>
CommitDate: Sun Jul 8 22:16:40 2007 -0400
qla3xxx: cleanup checksum offload code
The code for checksum is more complex than needed when dealing with VLAN's;
the higher layers already pass down the location of the IP header.
Compile tested only, no hardware available.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Signed-off-by: Ron Mercer <[EMAIL PROTECTED]>
Signed-off-by: Jeff Garzik <[EMAIL PROTECTED]>
---
drivers/net/qla3xxx.c | 33 +++++++++------------------------
1 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 585be04..8be8be4 100755
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -2433,37 +2433,22 @@ static int ql_get_seg_count(struct ql3_adapter *qdev,
return -1;
}
-static void ql_hw_csum_setup(struct sk_buff *skb,
+static void ql_hw_csum_setup(const struct sk_buff *skb,
struct ob_mac_iocb_req *mac_iocb_ptr)
{
- struct ethhdr *eth;
- struct iphdr *ip = NULL;
- u8 offset = ETH_HLEN;
+ const struct iphdr *ip = ip_hdr(skb);
- eth = (struct ethhdr *)(skb->data);
+ mac_iocb_ptr->ip_hdr_off = skb_network_offset(skb);
+ mac_iocb_ptr->ip_hdr_len = ip->ihl;
- if (eth->h_proto == __constant_htons(ETH_P_IP)) {
- ip = (struct iphdr *)&skb->data[ETH_HLEN];
- } else if (eth->h_proto == htons(ETH_P_8021Q) &&
- ((struct vlan_ethhdr *)skb->data)->
- h_vlan_encapsulated_proto == __constant_htons(ETH_P_IP)) {
- ip = (struct iphdr *)&skb->data[VLAN_ETH_HLEN];
- offset = VLAN_ETH_HLEN;
- }
-
- if (ip) {
- if (ip->protocol == IPPROTO_TCP) {
- mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
+ if (ip->protocol == IPPROTO_TCP) {
+ mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_TC |
OB_3032MAC_IOCB_REQ_IC;
- mac_iocb_ptr->ip_hdr_off = offset;
- mac_iocb_ptr->ip_hdr_len = ip->ihl;
- } else if (ip->protocol == IPPROTO_UDP) {
- mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
+ } else {
+ mac_iocb_ptr->flags1 |= OB_3032MAC_IOCB_REQ_UC |
OB_3032MAC_IOCB_REQ_IC;
- mac_iocb_ptr->ip_hdr_off = offset;
- mac_iocb_ptr->ip_hdr_len = ip->ihl;
- }
}
+
}
/*
-
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