diff options
Diffstat (limited to 'kernel/net/netfilter/xt_TCPMSS.c')
-rw-r--r-- | kernel/net/netfilter/xt_TCPMSS.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/kernel/net/netfilter/xt_TCPMSS.c b/kernel/net/netfilter/xt_TCPMSS.c index e762de5ee..b7c43def0 100644 --- a/kernel/net/netfilter/xt_TCPMSS.c +++ b/kernel/net/netfilter/xt_TCPMSS.c @@ -108,7 +108,7 @@ tcpmss_mangle_packet(struct sk_buff *skb, return -1; if (info->mss == XT_TCPMSS_CLAMP_PMTU) { - struct net *net = dev_net(par->in ? par->in : par->out); + struct net *net = par->net; unsigned int in_mtu = tcpmss_reverse_mtu(net, skb, family); if (dst_mtu(skb_dst(skb)) <= minlen) { @@ -144,7 +144,7 @@ tcpmss_mangle_packet(struct sk_buff *skb, inet_proto_csum_replace2(&tcph->check, skb, htons(oldmss), htons(newmss), - 0); + false); return 0; } } @@ -185,18 +185,18 @@ tcpmss_mangle_packet(struct sk_buff *skb, memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr)); inet_proto_csum_replace2(&tcph->check, skb, - htons(len), htons(len + TCPOLEN_MSS), 1); + htons(len), htons(len + TCPOLEN_MSS), true); opt[0] = TCPOPT_MSS; opt[1] = TCPOLEN_MSS; opt[2] = (newmss & 0xff00) >> 8; opt[3] = newmss & 0x00ff; - inet_proto_csum_replace4(&tcph->check, skb, 0, *((__be32 *)opt), 0); + inet_proto_csum_replace4(&tcph->check, skb, 0, *((__be32 *)opt), false); oldval = ((__be16 *)tcph)[6]; tcph->doff += TCPOLEN_MSS/4; inet_proto_csum_replace2(&tcph->check, skb, - oldval, ((__be16 *)tcph)[6], 0); + oldval, ((__be16 *)tcph)[6], false); return TCPOLEN_MSS; } @@ -277,6 +277,9 @@ static int tcpmss_tg4_check(const struct xt_tgchk_param *par) "FORWARD, OUTPUT and POSTROUTING hooks\n"); return -EINVAL; } + if (par->nft_compat) + return 0; + xt_ematch_foreach(ematch, e) if (find_syn_match(ematch)) return 0; @@ -299,6 +302,9 @@ static int tcpmss_tg6_check(const struct xt_tgchk_param *par) "FORWARD, OUTPUT and POSTROUTING hooks\n"); return -EINVAL; } + if (par->nft_compat) + return 0; + xt_ematch_foreach(ematch, e) if (find_syn_match(ematch)) return 0; |