From 9a18dd15e2ec934d8265009d3882955dcc059a49 Mon Sep 17 00:00:00 2001 From: Li RongQing Date: Sun, 17 Mar 2013 22:34:48 +0000 Subject: [PATCH] net: neterion: replace ip_fast_csum with csum_replace2 replace ip_fast_csum with csum_replace2 to save cpu cycles Signed-off-by: Li RongQing Signed-off-by: David S. Miller --- drivers/net/ethernet/neterion/s2io.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index bfd887382e19..3371ff41bb34 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -80,6 +80,7 @@ #include #include #include +#include #include #include @@ -8337,16 +8338,13 @@ static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro) { struct iphdr *ip = lro->iph; struct tcphdr *tcp = lro->tcph; - __sum16 nchk; struct swStat *swstats = &sp->mac_control.stats_info->sw_stat; DBG_PRINT(INFO_DBG, "%s: Been here...\n", __func__); /* Update L3 header */ + csum_replace2(&ip->check, ip->tot_len, htons(lro->total_len)); ip->tot_len = htons(lro->total_len); - ip->check = 0; - nchk = ip_fast_csum((u8 *)lro->iph, ip->ihl); - ip->check = nchk; /* Update L4 header */ tcp->ack_seq = lro->tcp_ack; -- 2.20.1