diff options
author | Jeff Garzik <jgarzik@pobox.com> | 2005-08-24 01:02:04 -0400 |
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committer | Jeff Garzik <jgarzik@pobox.com> | 2005-08-24 01:02:04 -0400 |
commit | b2382b363df828f25e35ed8b70a3da33b29b2a64 (patch) | |
tree | 23aa2e70ba4650390c9281b3696172313bdb0f38 /net/ipv4/netfilter/ipt_ECN.c | |
parent | 1b5cca3a88b7682d538d129c25f0e3092613a243 (diff) | |
parent | 0572e3da3ff5c3744b2f606ecf296d5f89a4bbdf (diff) |
Merge upstream into ieee80211.
Hand-fix merge conflict in drivers/usb/net/zd1201.c.
Diffstat (limited to 'net/ipv4/netfilter/ipt_ECN.c')
-rw-r--r-- | net/ipv4/netfilter/ipt_ECN.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c index ada9911118e..94a0ce1c1c9 100644 --- a/net/ipv4/netfilter/ipt_ECN.c +++ b/net/ipv4/netfilter/ipt_ECN.c @@ -61,16 +61,20 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward) if (!tcph) return 0; - if (!(einfo->operation & IPT_ECN_OP_SET_ECE - || tcph->ece == einfo->proto.tcp.ece) - && (!(einfo->operation & IPT_ECN_OP_SET_CWR - || tcph->cwr == einfo->proto.tcp.cwr))) + if ((!(einfo->operation & IPT_ECN_OP_SET_ECE) || + tcph->ece == einfo->proto.tcp.ece) && + ((!(einfo->operation & IPT_ECN_OP_SET_CWR) || + tcph->cwr == einfo->proto.tcp.cwr))) return 1; if (!skb_ip_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph))) return 0; tcph = (void *)(*pskb)->nh.iph + (*pskb)->nh.iph->ihl*4; + if ((*pskb)->ip_summed == CHECKSUM_HW && + skb_checksum_help(*pskb, inward)) + return 0; + diffs[0] = ((u_int16_t *)tcph)[6]; if (einfo->operation & IPT_ECN_OP_SET_ECE) tcph->ece = einfo->proto.tcp.ece; @@ -79,13 +83,10 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward) diffs[1] = ((u_int16_t *)tcph)[6]; diffs[0] = diffs[0] ^ 0xFFFF; - if ((*pskb)->ip_summed != CHECKSUM_HW) + if ((*pskb)->ip_summed != CHECKSUM_UNNECESSARY) tcph->check = csum_fold(csum_partial((char *)diffs, sizeof(diffs), tcph->check^0xFFFF)); - else - if (skb_checksum_help(*pskb, inward)) - return 0; (*pskb)->nfcache |= NFC_ALTERED; return 1; } |