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driver/qlogic: replace ip_fast_csum with csum_replace2 

replace ip_fast_csum with csum_replace2 to save cpu cycles

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Li RongQing 2013-03-14 22:50:07 +00:00 committed by David S. Miller
parent b66c66dc5c
commit 1bcac3b08e
2 changed files with 5 additions and 6 deletions
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4
drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
View File

@ -27,6 +27,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/if_vlan.h>
#include <net/checksum.h>
#include "netxen_nic.h"
#include "netxen_nic_hw.h"
@ -1641,9 +1642,8 @@ netxen_process_lro(struct netxen_adapter *adapter,
th = (struct tcphdr *)((skb->data + vhdr_len) + (iph->ihl << 2));
length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
csum_replace2(&iph->check, iph->tot_len, htons(length));
iph->tot_len = htons(length);
iph->check = 0;
iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
th->psh = push;
th->seq = htonl(seq_number);

7
drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
View File

@ -9,6 +9,7 @@
#include <linux/if_vlan.h>
#include <net/ip.h>
#include <linux/ipv6.h>
#include <net/checksum.h>
#include "qlcnic.h"
@ -1132,9 +1133,8 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter,
iph = (struct iphdr *)skb->data;
th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
csum_replace2(&iph->check, iph->tot_len, htons(length));
iph->tot_len = htons(length);
iph->check = 0;
iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
}
th->psh = push;
@ -1595,9 +1595,8 @@ qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter,
iph = (struct iphdr *)skb->data;
th = (struct tcphdr *)(skb->data + (iph->ihl << 2));
length = (iph->ihl << 2) + (th->doff << 2) + lro_length;
csum_replace2(&iph->check, iph->tot_len, htons(length));
iph->tot_len = htons(length);
iph->check = 0;
iph->check = ip_fast_csum((unsigned char *)iph, iph->ihl);
}
th->psh = push;