diff options
| author |   Li RongQing <roy.qing.li@gmail.com> | 2013-03-17 22:34:48 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-03-18 13:02:36 -0400 |
| commit | 9a18dd15e2ec934d8265009d3882955dcc059a49 (patch) | |
| tree | a610318527776f3d736580c70a53df2a77a57d62 /drivers/net/ethernet/neterion/s2io.c | |
| parent | tcp: Remove TCPCT (diff) | |
| download | linux-dev-9a18dd15e2ec934d8265009d3882955dcc059a49.tar.xz linux-dev-9a18dd15e2ec934d8265009d3882955dcc059a49.zip | |
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 <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/neterion/s2io.c')
| -rw-r--r-- | drivers/net/ethernet/neterion/s2io.c | 6 |
1 files 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 <linux/slab.h> #include <linux/prefetch.h> #include <net/tcp.h> +#include <net/checksum.h> #include <asm/div64.h> #include <asm/irq.h> @@ -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; |