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Commit 1bcac3b0 authored by Li RongQing's avatar Li RongQing Committed by David S. Miller
Browse files

driver/qlogic: replace ip_fast_csum with csum_replace2 



replace ip_fast_csum with csum_replace2 to save cpu cycles

Signed-off-by: default avatarLi RongQing <roy.qing.li@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b66c66dc

drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c

+3 −4
Original line number Diff line number Diff line
@@ -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;