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path: root/kernel/net/netfilter/xt_TCPMSS.c
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Diffstat (limited to 'kernel/net/netfilter/xt_TCPMSS.c')
-rw-r--r--kernel/net/netfilter/xt_TCPMSS.c16
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;