diff options
| author |   Patrick McHardy <kaber@trash.net> | 2006-04-06 14:19:24 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2006-04-09 22:25:42 -0700 |
| commit | 96f6bf82ea3abc77d255d5d554df5f349651f6de (patch) | |
| tree | 7050071415f6e0ab56ee6d9a51680b30c3876a94 /net/ipv4/netfilter/ipt_REJECT.c | |
| parent | [NETFILTER]: Add address family specific checksum helpers (diff) | |
| download | linux-dev-96f6bf82ea3abc77d255d5d554df5f349651f6de.tar.xz linux-dev-96f6bf82ea3abc77d255d5d554df5f349651f6de.zip | |
[NETFILTER]: Convert conntrack/ipt_REJECT to new checksumming functions
Besides removing lots of duplicate code, all converted users benefit
from improved HW checksum error handling. Tested with and without HW
checksums in almost all combinations.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/netfilter/ipt_REJECT.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_REJECT.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c index 4269a5440d43..0bba3c2bb786 100644 --- a/net/ipv4/netfilter/ipt_REJECT.c +++ b/net/ipv4/netfilter/ipt_REJECT.c @@ -106,7 +106,6 @@ static void send_reset(struct sk_buff *oldskb, int hook) struct rtable *rt; u_int16_t tmp_port; u_int32_t tmp_addr; - unsigned int tcplen; int needs_ack; int hh_len; @@ -124,13 +123,7 @@ static void send_reset(struct sk_buff *oldskb, int hook) return; /* Check checksum */ - tcplen = oldskb->len - iph->ihl * 4; - if (((hook != NF_IP_LOCAL_IN && oldskb->ip_summed != CHECKSUM_HW) || - (hook == NF_IP_LOCAL_IN && - oldskb->ip_summed != CHECKSUM_UNNECESSARY)) && - csum_tcpudp_magic(iph->saddr, iph->daddr, tcplen, IPPROTO_TCP, - oldskb->ip_summed == CHECKSUM_HW ? oldskb->csum : - skb_checksum(oldskb, iph->ihl * 4, tcplen, 0))) + if (nf_ip_checksum(oldskb, hook, iph->ihl * 4, IPPROTO_TCP)) return; if ((rt = route_reverse(oldskb, oth, hook)) == NULL) |