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-rw-r--r--net/bridge/netfilter/Kconfig6
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c4
-rw-r--r--net/ipv4/netfilter/ipt_SYNPROXY.c2
-rw-r--r--net/ipv4/netfilter/ipt_rpfilter.c1
-rw-r--r--net/ipv4/netfilter/nf_nat_h323.c12
-rw-r--r--net/ipv6/netfilter/ip6t_SYNPROXY.c2
-rw-r--r--net/ipv6/netfilter/ip6t_rpfilter.c8
-rw-r--r--net/netfilter/Kconfig6
-rw-r--r--net/netfilter/ipvs/ip_vs_nfct.c2
-rw-r--r--net/netfilter/nf_conntrack_amanda.c2
-rw-r--r--net/netfilter/nf_conntrack_broadcast.c2
-rw-r--r--net/netfilter/nf_conntrack_core.c4
-rw-r--r--net/netfilter/nf_conntrack_expect.c26
-rw-r--r--net/netfilter/nf_conntrack_ftp.c2
-rw-r--r--net/netfilter/nf_conntrack_h323_asn1.c5
-rw-r--r--net/netfilter/nf_conntrack_h323_main.c18
-rw-r--r--net/netfilter/nf_conntrack_irc.c2
-rw-r--r--net/netfilter/nf_conntrack_netlink.c4
-rw-r--r--net/netfilter/nf_conntrack_pptp.c4
-rw-r--r--net/netfilter/nf_conntrack_proto_gre.c2
-rw-r--r--net/netfilter/nf_conntrack_proto_icmp.c2
-rw-r--r--net/netfilter/nf_conntrack_proto_tcp.c8
-rw-r--r--net/netfilter/nf_conntrack_sane.c2
-rw-r--r--net/netfilter/nf_conntrack_sip.c10
-rw-r--r--net/netfilter/nf_conntrack_tftp.c2
-rw-r--r--net/netfilter/nf_nat_amanda.c2
-rw-r--r--net/netfilter/nf_nat_core.c2
-rw-r--r--net/netfilter/nf_nat_ftp.c2
-rw-r--r--net/netfilter/nf_nat_irc.c2
-rw-r--r--net/netfilter/nf_nat_sip.c8
-rw-r--r--net/netfilter/nf_nat_tftp.c2
-rw-r--r--net/netfilter/nf_synproxy_core.c8
-rw-r--r--net/netfilter/nf_tables_api.c2
-rw-r--r--net/netfilter/nfnetlink.c2
-rw-r--r--net/netfilter/nft_chain_filter.c2
-rw-r--r--net/netfilter/nft_chain_nat.c3
-rw-r--r--net/netfilter/nft_ct.c2
-rw-r--r--net/netfilter/nft_hash.c2
-rw-r--r--net/netfilter/nft_meta.c2
-rw-r--r--net/netfilter/nft_redir.c2
-rw-r--r--net/netfilter/nft_synproxy.c2
41 files changed, 106 insertions, 77 deletions
diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig
index 154fa558bb90..5040fe43f4b4 100644
--- a/net/bridge/netfilter/Kconfig
+++ b/net/bridge/netfilter/Kconfig
@@ -6,7 +6,7 @@
menuconfig NF_TABLES_BRIDGE
depends on BRIDGE && NETFILTER && NF_TABLES
select NETFILTER_FAMILY_BRIDGE
- bool "Ethernet Bridge nf_tables support"
+ tristate "Ethernet Bridge nf_tables support"
if NF_TABLES_BRIDGE
@@ -25,6 +25,8 @@ config NF_LOG_BRIDGE
tristate "Bridge packet logging"
select NF_LOG_COMMON
+endif # NF_TABLES_BRIDGE
+
config NF_CONNTRACK_BRIDGE
tristate "IPv4/IPV6 bridge connection tracking support"
depends on NF_CONNTRACK
@@ -39,8 +41,6 @@ config NF_CONNTRACK_BRIDGE
To compile it as a module, choose M here. If unsure, say N.
-endif # NF_TABLES_BRIDGE
-
menuconfig BRIDGE_NF_EBTABLES
tristate "Ethernet Bridge tables (ebtables) support"
depends on BRIDGE && NETFILTER && NETFILTER_XTABLES
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 4d6bf7ac0792..6bdb1ab8af61 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -416,8 +416,8 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
ctinfo == IP_CT_RELATED_REPLY))
return XT_CONTINUE;
- /* ip_conntrack_icmp guarantees us that we only have ICMP_ECHO,
- * TIMESTAMP, INFO_REQUEST or ADDRESS type icmp packets from here
+ /* nf_conntrack_proto_icmp guarantees us that we only have ICMP_ECHO,
+ * TIMESTAMP, INFO_REQUEST or ICMP_ADDRESS type icmp packets from here
* on, which all have an ID field [relevant for hashing]. */
hash = clusterip_hashfn(skb, cipinfo->config);
diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c b/net/ipv4/netfilter/ipt_SYNPROXY.c
index 8e7f84ec783d..0e70f3f65f6f 100644
--- a/net/ipv4/netfilter/ipt_SYNPROXY.c
+++ b/net/ipv4/netfilter/ipt_SYNPROXY.c
@@ -36,6 +36,8 @@ synproxy_tg4(struct sk_buff *skb, const struct xt_action_param *par)
opts.options |= XT_SYNPROXY_OPT_ECN;
opts.options &= info->options;
+ opts.mss_encode = opts.mss;
+ opts.mss = info->mss;
if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP)
synproxy_init_timestamp_cookie(info, &opts);
else
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index 59031670b16a..cc23f1ce239c 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -78,6 +78,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0;
flow.flowi4_tos = RT_TOS(iph->tos);
flow.flowi4_scope = RT_SCOPE_UNIVERSE;
+ flow.flowi4_oif = l3mdev_master_ifindex_rcu(xt_in(par));
return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert;
}
diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c
index 87b711fd5a44..3e2685c120c7 100644
--- a/net/ipv4/netfilter/nf_nat_h323.c
+++ b/net/ipv4/netfilter/nf_nat_h323.c
@@ -221,11 +221,11 @@ static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct,
int ret;
rtp_exp->tuple.dst.u.udp.port = htons(nated_port);
- ret = nf_ct_expect_related(rtp_exp);
+ ret = nf_ct_expect_related(rtp_exp, 0);
if (ret == 0) {
rtcp_exp->tuple.dst.u.udp.port =
htons(nated_port + 1);
- ret = nf_ct_expect_related(rtcp_exp);
+ ret = nf_ct_expect_related(rtcp_exp, 0);
if (ret == 0)
break;
else if (ret == -EBUSY) {
@@ -296,7 +296,7 @@ static int nat_t120(struct sk_buff *skb, struct nf_conn *ct,
int ret;
exp->tuple.dst.u.tcp.port = htons(nated_port);
- ret = nf_ct_expect_related(exp);
+ ret = nf_ct_expect_related(exp, 0);
if (ret == 0)
break;
else if (ret != -EBUSY) {
@@ -352,7 +352,7 @@ static int nat_h245(struct sk_buff *skb, struct nf_conn *ct,
int ret;
exp->tuple.dst.u.tcp.port = htons(nated_port);
- ret = nf_ct_expect_related(exp);
+ ret = nf_ct_expect_related(exp, 0);
if (ret == 0)
break;
else if (ret != -EBUSY) {
@@ -444,7 +444,7 @@ static int nat_q931(struct sk_buff *skb, struct nf_conn *ct,
int ret;
exp->tuple.dst.u.tcp.port = htons(nated_port);
- ret = nf_ct_expect_related(exp);
+ ret = nf_ct_expect_related(exp, 0);
if (ret == 0)
break;
else if (ret != -EBUSY) {
@@ -537,7 +537,7 @@ static int nat_callforwarding(struct sk_buff *skb, struct nf_conn *ct,
int ret;
exp->tuple.dst.u.tcp.port = htons(nated_port);
- ret = nf_ct_expect_related(exp);
+ ret = nf_ct_expect_related(exp, 0);
if (ret == 0)
break;
else if (ret != -EBUSY) {
diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index e77ea1ed5edd..5cdb4a69d277 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -36,6 +36,8 @@ synproxy_tg6(struct sk_buff *skb, const struct xt_action_param *par)
opts.options |= XT_SYNPROXY_OPT_ECN;
opts.options &= info->options;
+ opts.mss_encode = opts.mss;
+ opts.mss = info->mss;
if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP)
synproxy_init_timestamp_cookie(info, &opts);
else
diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c
index 6bcaf7357183..d800801a5dd2 100644
--- a/net/ipv6/netfilter/ip6t_rpfilter.c
+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
@@ -55,7 +55,9 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb,
if (rpfilter_addr_linklocal(&iph->saddr)) {
lookup_flags |= RT6_LOOKUP_F_IFACE;
fl6.flowi6_oif = dev->ifindex;
- } else if ((flags & XT_RPFILTER_LOOSE) == 0)
+ /* Set flowi6_oif for vrf devices to lookup route in l3mdev domain. */
+ } else if (netif_is_l3_master(dev) || netif_is_l3_slave(dev) ||
+ (flags & XT_RPFILTER_LOOSE) == 0)
fl6.flowi6_oif = dev->ifindex;
rt = (void *)ip6_route_lookup(net, &fl6, skb, lookup_flags);
@@ -70,7 +72,9 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb,
goto out;
}
- if (rt->rt6i_idev->dev == dev || (flags & XT_RPFILTER_LOOSE))
+ if (rt->rt6i_idev->dev == dev ||
+ l3mdev_master_ifindex_rcu(rt->rt6i_idev->dev) == dev->ifindex ||
+ (flags & XT_RPFILTER_LOOSE))
ret = true;
out:
ip6_rt_put(rt);
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 32a45c03786e..0d65f4d39494 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -223,8 +223,6 @@ config NF_CONNTRACK_FTP
of Network Address Translation on them.
This is FTP support on Layer 3 independent connection tracking.
- Layer 3 independent connection tracking is experimental scheme
- which generalize ip_conntrack to support other layer 3 protocols.
To compile it as a module, choose M here. If unsure, say N.
@@ -338,7 +336,7 @@ config NF_CONNTRACK_SIP
help
SIP is an application-layer control protocol that can establish,
modify, and terminate multimedia sessions (conferences) such as
- Internet telephony calls. With the ip_conntrack_sip and
+ Internet telephony calls. With the nf_conntrack_sip and
the nf_nat_sip modules you can support the protocol on a connection
tracking/NATing firewall.
@@ -1313,7 +1311,7 @@ config NETFILTER_XT_MATCH_HELPER
depends on NETFILTER_ADVANCED
help
Helper matching allows you to match packets in dynamic connections
- tracked by a conntrack-helper, ie. ip_conntrack_ftp
+ tracked by a conntrack-helper, ie. nf_conntrack_ftp
To compile it as a module, choose M here. If unsure, say Y.
diff --git a/net/netfilter/ipvs/ip_vs_nfct.c b/net/netfilter/ipvs/ip_vs_nfct.c
index 403541996952..08adcb222986 100644
--- a/net/netfilter/ipvs/ip_vs_nfct.c
+++ b/net/netfilter/ipvs/ip_vs_nfct.c
@@ -231,7 +231,7 @@ void ip_vs_nfct_expect_related(struct sk_buff *skb, struct nf_conn *ct,
IP_VS_DBG_BUF(7, "%s: ct=%p, expect tuple=" FMT_TUPLE "\n",
__func__, ct, ARG_TUPLE(&exp->tuple));
- nf_ct_expect_related(exp);
+ nf_ct_expect_related(exp, 0);
nf_ct_expect_put(exp);
}
EXPORT_SYMBOL(ip_vs_nfct_expect_related);
diff --git a/net/netfilter/nf_conntrack_amanda.c b/net/netfilter/nf_conntrack_amanda.c
index 42ee659d0d1e..d011d2eb0848 100644
--- a/net/netfilter/nf_conntrack_amanda.c
+++ b/net/netfilter/nf_conntrack_amanda.c
@@ -159,7 +159,7 @@ static int amanda_help(struct sk_buff *skb,
if (nf_nat_amanda && ct->status & IPS_NAT_MASK)
ret = nf_nat_amanda(skb, ctinfo, protoff,
off - dataoff, len, exp);
- else if (nf_ct_expect_related(exp) != 0) {
+ else if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct, "cannot add expectation");
ret = NF_DROP;
}
diff --git a/net/netfilter/nf_conntrack_broadcast.c b/net/netfilter/nf_conntrack_broadcast.c
index 921a7b95be68..1ba6becc3079 100644
--- a/net/netfilter/nf_conntrack_broadcast.c
+++ b/net/netfilter/nf_conntrack_broadcast.c
@@ -68,7 +68,7 @@ int nf_conntrack_broadcast_help(struct sk_buff *skb,
exp->class = NF_CT_EXPECT_CLASS_DEFAULT;
exp->helper = NULL;
- nf_ct_expect_related(exp);
+ nf_ct_expect_related(exp, 0);
nf_ct_expect_put(exp);
nf_ct_refresh(ct, skb, timeout * HZ);
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index bdfeacee0817..a542761e90d1 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -1817,9 +1817,7 @@ EXPORT_SYMBOL_GPL(nf_ct_kill_acct);
#include <linux/netfilter/nfnetlink_conntrack.h>
#include <linux/mutex.h>
-/* Generic function for tcp/udp/sctp/dccp and alike. This needs to be
- * in ip_conntrack_core, since we don't want the protocols to autoload
- * or depend on ctnetlink */
+/* Generic function for tcp/udp/sctp/dccp and alike. */
int nf_ct_port_tuple_to_nlattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index ffd1f4906c4f..65364de915d1 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -249,13 +249,22 @@ static inline int expect_clash(const struct nf_conntrack_expect *a,
static inline int expect_matches(const struct nf_conntrack_expect *a,
const struct nf_conntrack_expect *b)
{
- return a->master == b->master &&
- nf_ct_tuple_equal(&a->tuple, &b->tuple) &&
+ return nf_ct_tuple_equal(&a->tuple, &b->tuple) &&
nf_ct_tuple_mask_equal(&a->mask, &b->mask) &&
net_eq(nf_ct_net(a->master), nf_ct_net(b->master)) &&
nf_ct_zone_equal_any(a->master, nf_ct_zone(b->master));
}
+static bool master_matches(const struct nf_conntrack_expect *a,
+ const struct nf_conntrack_expect *b,
+ unsigned int flags)
+{
+ if (flags & NF_CT_EXP_F_SKIP_MASTER)
+ return true;
+
+ return a->master == b->master;
+}
+
/* Generally a bad idea to call this: could have matched already. */
void nf_ct_unexpect_related(struct nf_conntrack_expect *exp)
{
@@ -399,7 +408,8 @@ static void evict_oldest_expect(struct nf_conn *master,
nf_ct_remove_expect(last);
}
-static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
+static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect,
+ unsigned int flags)
{
const struct nf_conntrack_expect_policy *p;
struct nf_conntrack_expect *i;
@@ -417,8 +427,10 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
}
h = nf_ct_expect_dst_hash(net, &expect->tuple);
hlist_for_each_entry_safe(i, next, &nf_ct_expect_hash[h], hnode) {
- if (expect_matches(i, expect)) {
- if (i->class != expect->class)
+ if (master_matches(i, expect, flags) &&
+ expect_matches(i, expect)) {
+ if (i->class != expect->class ||
+ i->master != expect->master)
return -EALREADY;
if (nf_ct_remove_expect(i))
@@ -453,12 +465,12 @@ out:
}
int nf_ct_expect_related_report(struct nf_conntrack_expect *expect,
- u32 portid, int report)
+ u32 portid, int report, unsigned int flags)
{
int ret;
spin_lock_bh(&nf_conntrack_expect_lock);
- ret = __nf_ct_expect_check(expect);
+ ret = __nf_ct_expect_check(expect, flags);
if (ret < 0)
goto out;
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 8c6c11bab5b6..0ecb3e289ef2 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -525,7 +525,7 @@ skip_nl_seq:
protoff, matchoff, matchlen, exp);
else {
/* Can't expect this? Best to drop packet now. */
- if (nf_ct_expect_related(exp) != 0) {
+ if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct, "cannot add expectation");
ret = NF_DROP;
} else
diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c
index 8f6ba8162f0b..573cb4481481 100644
--- a/net/netfilter/nf_conntrack_h323_asn1.c
+++ b/net/netfilter/nf_conntrack_h323_asn1.c
@@ -1,11 +1,10 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * ip_conntrack_helper_h323_asn1.c - BER and PER decoding library for H.323
- * conntrack/NAT module.
+ * BER and PER decoding library for H.323 conntrack/NAT module.
*
* Copyright (c) 2006 by Jing Min Zhao <zhaojingmin@users.sourceforge.net>
*
- * See ip_conntrack_helper_h323_asn1.h for details.
+ * See nf_conntrack_helper_h323_asn1.h for details.
*/
#ifdef __KERNEL__
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 6497e5fc0871..8ba037b76ad3 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -305,8 +305,8 @@ static int expect_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct,
ret = nat_rtp_rtcp(skb, ct, ctinfo, protoff, data, dataoff,
taddr, port, rtp_port, rtp_exp, rtcp_exp);
} else { /* Conntrack only */
- if (nf_ct_expect_related(rtp_exp) == 0) {
- if (nf_ct_expect_related(rtcp_exp) == 0) {
+ if (nf_ct_expect_related(rtp_exp, 0) == 0) {
+ if (nf_ct_expect_related(rtcp_exp, 0) == 0) {
pr_debug("nf_ct_h323: expect RTP ");
nf_ct_dump_tuple(&rtp_exp->tuple);
pr_debug("nf_ct_h323: expect RTCP ");
@@ -364,7 +364,7 @@ static int expect_t120(struct sk_buff *skb,
ret = nat_t120(skb, ct, ctinfo, protoff, data, dataoff, taddr,
port, exp);
} else { /* Conntrack only */
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_h323: expect T.120 ");
nf_ct_dump_tuple(&exp->tuple);
} else
@@ -701,7 +701,7 @@ static int expect_h245(struct sk_buff *skb, struct nf_conn *ct,
ret = nat_h245(skb, ct, ctinfo, protoff, data, dataoff, taddr,
port, exp);
} else { /* Conntrack only */
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_q931: expect H.245 ");
nf_ct_dump_tuple(&exp->tuple);
} else
@@ -825,7 +825,7 @@ static int expect_callforwarding(struct sk_buff *skb,
protoff, data, dataoff,
taddr, port, exp);
} else { /* Conntrack only */
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_q931: expect Call Forwarding ");
nf_ct_dump_tuple(&exp->tuple);
} else
@@ -1284,7 +1284,7 @@ static int expect_q931(struct sk_buff *skb, struct nf_conn *ct,
ret = nat_q931(skb, ct, ctinfo, protoff, data,
taddr, i, port, exp);
} else { /* Conntrack only */
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_ras: expect Q.931 ");
nf_ct_dump_tuple(&exp->tuple);
@@ -1349,7 +1349,7 @@ static int process_gcf(struct sk_buff *skb, struct nf_conn *ct,
IPPROTO_UDP, NULL, &port);
exp->helper = nf_conntrack_helper_ras;
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_ras: expect RAS ");
nf_ct_dump_tuple(&exp->tuple);
} else
@@ -1561,7 +1561,7 @@ static int process_acf(struct sk_buff *skb, struct nf_conn *ct,
exp->flags = NF_CT_EXPECT_PERMANENT;
exp->helper = nf_conntrack_helper_q931;
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_ras: expect Q.931 ");
nf_ct_dump_tuple(&exp->tuple);
} else
@@ -1615,7 +1615,7 @@ static int process_lcf(struct sk_buff *skb, struct nf_conn *ct,
exp->flags = NF_CT_EXPECT_PERMANENT;
exp->helper = nf_conntrack_helper_q931;
- if (nf_ct_expect_related(exp) == 0) {
+ if (nf_ct_expect_related(exp, 0) == 0) {
pr_debug("nf_ct_ras: expect Q.931 ");
nf_ct_dump_tuple(&exp->tuple);
} else
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index 7ac156f1f3bc..e40988a2f22f 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -213,7 +213,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
addr_beg_p - ib_ptr,
addr_end_p - addr_beg_p,
exp);
- else if (nf_ct_expect_related(exp) != 0) {
+ else if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct,
"cannot add expectation");
ret = NF_DROP;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 1b77444d5b52..6aa01eb6fe99 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -2616,7 +2616,7 @@ ctnetlink_glue_attach_expect(const struct nlattr *attr, struct nf_conn *ct,
if (IS_ERR(exp))
return PTR_ERR(exp);
- err = nf_ct_expect_related_report(exp, portid, report);
+ err = nf_ct_expect_related_report(exp, portid, report, 0);
nf_ct_expect_put(exp);
return err;
}
@@ -3367,7 +3367,7 @@ ctnetlink_create_expect(struct net *net,
goto err_rcu;
}
- err = nf_ct_expect_related_report(exp, portid, report);
+ err = nf_ct_expect_related_report(exp, portid, report, 0);
nf_ct_expect_put(exp);
err_rcu:
rcu_read_unlock();
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index b22042ad0fca..a971183f11af 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -234,9 +234,9 @@ static int exp_gre(struct nf_conn *ct, __be16 callid, __be16 peer_callid)
nf_nat_pptp_exp_gre = rcu_dereference(nf_nat_pptp_hook_exp_gre);
if (nf_nat_pptp_exp_gre && ct->status & IPS_NAT_MASK)
nf_nat_pptp_exp_gre(exp_orig, exp_reply);
- if (nf_ct_expect_related(exp_orig) != 0)
+ if (nf_ct_expect_related(exp_orig, 0) != 0)
goto out_put_both;
- if (nf_ct_expect_related(exp_reply) != 0)
+ if (nf_ct_expect_related(exp_reply, 0) != 0)
goto out_unexpect_orig;
/* Add GRE keymap entries */
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index c2eb365f1723..5b05487a60d2 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
- * ip_conntrack_proto_gre.c - Version 3.0
- *
* Connection tracking protocol helper module for GRE.
*
* GRE is a generic encapsulation protocol, which is generally not very
diff --git a/net/netfilter/nf_conntrack_proto_icmp.c b/net/netfilter/nf_conntrack_proto_icmp.c
index dd53e2b20f6b..097deba7441a 100644
--- a/net/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/netfilter/nf_conntrack_proto_icmp.c
@@ -215,7 +215,7 @@ int nf_conntrack_icmpv4_error(struct nf_conn *tmpl,
return -NF_ACCEPT;
}
- /* See ip_conntrack_proto_tcp.c */
+ /* See nf_conntrack_proto_tcp.c */
if (state->net->ct.sysctl_checksum &&
state->hook == NF_INET_PRE_ROUTING &&
nf_ip_checksum(skb, state->hook, dataoff, IPPROTO_ICMP)) {
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index d5fdfa00d683..85c1f8c213b0 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -472,6 +472,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
struct ip_ct_tcp_state *receiver = &state->seen[!dir];
const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple;
__u32 seq, ack, sack, end, win, swin;
+ u16 win_raw;
s32 receiver_offset;
bool res, in_recv_win;
@@ -480,7 +481,8 @@ static bool tcp_in_window(const struct nf_conn *ct,
*/
seq = ntohl(tcph->seq);
ack = sack = ntohl(tcph->ack_seq);
- win = ntohs(tcph->window);
+ win_raw = ntohs(tcph->window);
+ win = win_raw;
end = segment_seq_plus_len(seq, skb->len, dataoff, tcph);
if (receiver->flags & IP_CT_TCP_FLAG_SACK_PERM)
@@ -655,14 +657,14 @@ static bool tcp_in_window(const struct nf_conn *ct,
&& state->last_seq == seq
&& state->last_ack == ack
&& state->last_end == end
- && state->last_win == win)
+ && state->last_win == win_raw)
state->retrans++;
else {
state->last_dir = dir;
state->last_seq = seq;
state->last_ack = ack;
state->last_end = end;
- state->last_win = win;
+ state->last_win = win_raw;
state->retrans = 0;
}
}
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index 81448c3db661..1aebd6569d4e 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -153,7 +153,7 @@ static int help(struct sk_buff *skb,
nf_ct_dump_tuple(&exp->tuple);
/* Can't expect this? Best to drop packet now. */
- if (nf_ct_expect_related(exp) != 0) {
+ if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct, "cannot add expectation");
ret = NF_DROP;
}
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 107251731809..b83dc9bf0a5d 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -977,11 +977,15 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff,
/* -EALREADY handling works around end-points that send
* SDP messages with identical port but different media type,
* we pretend expectation was set up.
+ * It also works in the case that SDP messages are sent with
+ * identical expect tuples but for different master conntracks.
*/
- int errp = nf_ct_expect_related(rtp_exp);
+ int errp = nf_ct_expect_related(rtp_exp,
+ NF_CT_EXP_F_SKIP_MASTER);
if (errp == 0 || errp == -EALREADY) {
- int errcp = nf_ct_expect_related(rtcp_exp);
+ int errcp = nf_ct_expect_related(rtcp_exp,
+ NF_CT_EXP_F_SKIP_MASTER);
if (errcp == 0 || errcp == -EALREADY)
ret = NF_ACCEPT;
@@ -1296,7 +1300,7 @@ static int process_register_request(struct sk_buff *skb, unsigned int protoff,
ret = hooks->expect(skb, protoff, dataoff, dptr, datalen,
exp, matchoff, matchlen);
else {
- if (nf_ct_expect_related(exp) != 0) {
+ if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct, "cannot add expectation");
ret = NF_DROP;
} else
diff --git a/net/netfilter/nf_conntrack_tftp.c b/net/netfilter/nf_conntrack_tftp.c
index df6d6d61bd58..80ee53f29f68 100644
--- a/net/netfilter/nf_conntrack_tftp.c
+++ b/net/netfilter/nf_conntrack_tftp.c
@@ -78,7 +78,7 @@ static int tftp_help(struct sk_buff *skb,
nf_nat_tftp = rcu_dereference(nf_nat_tftp_hook);
if (nf_nat_tftp && ct->status & IPS_NAT_MASK)
ret = nf_nat_tftp(skb, ctinfo, exp);
- else if (nf_ct_expect_related(exp) != 0) {
+ else if (nf_ct_expect_related(exp, 0) != 0) {
nf_ct_helper_log(skb, ct, "cannot add expectation");
ret = NF_DROP;
}
diff --git a/net/netfilter/nf_nat_amanda.c b/net/netfilter/nf_nat_amanda.c
index a352604d6186..3bc7e0854efe 100644
--- a/net/netfilter/nf_nat_amanda.c
+++ b/net/netfilter/nf_nat_amanda.c
@@ -48,7 +48,7 @@ static unsigned int help(struct sk_buff *skb,
int res;
exp->tuple.dst.u.tcp.port = htons(port);
- res = nf_ct_expect_related(exp);
+ res = nf_ct_expect_related(exp, 0);
if (res == 0)
break;
else if (res != -EBUSY) {
diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c
index 9ab410455992..3f6023ed4966 100644
--- a/