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Message-Id: <20240821212212.1795357-2-tom@herbertland.com>
Date: Wed, 21 Aug 2024 14:22:00 -0700
From: Tom Herbert <tom@...bertland.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	edumazet@...gle.com,
	netdev@...r.kernel.org,
	felipe@...anda.io,
	willemdebruijn.kernel@...il.com,
	pablo@...filter.org,
	laforge@...monks.org,
	xeb@...l.ru
Cc: Tom Herbert <tom@...bertland.com>
Subject: [PATCH net-next v3 01/13] ipv6: Add udp6_lib_lookup to IPv6 stubs

Want to do a UDP socket lookup from flow dissector so create a
stub for udp6_lib_lookup

Signed-off-by: Tom Herbert <tom@...bertland.com>
---
 include/net/ipv6_stubs.h | 5 +++++
 net/ipv6/af_inet6.c      | 1 +
 2 files changed, 6 insertions(+)

diff --git a/include/net/ipv6_stubs.h b/include/net/ipv6_stubs.h
index 8a3465c8c2c5..fc6111fe820a 100644
--- a/include/net/ipv6_stubs.h
+++ b/include/net/ipv6_stubs.h
@@ -75,6 +75,11 @@ struct ipv6_stub {
 					    struct net_device *dev);
 	int (*ip6_xmit)(const struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
 			__u32 mark, struct ipv6_txoptions *opt, int tclass, u32 priority);
+	struct sock *(*udp6_lib_lookup)(const struct net *net,
+				     const struct in6_addr *saddr, __be16 sport,
+				     const struct in6_addr *daddr, __be16 dport,
+				     int dif, int sdif, struct udp_table *tbl,
+				     struct sk_buff *skb);
 };
 extern const struct ipv6_stub *ipv6_stub __read_mostly;
 
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 90d2c7e3f5e9..699f1e3efb91 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -1061,6 +1061,7 @@ static const struct ipv6_stub ipv6_stub_impl = {
 	.ipv6_fragment = ip6_fragment,
 	.ipv6_dev_find = ipv6_dev_find,
 	.ip6_xmit = ip6_xmit,
+	.udp6_lib_lookup = __udp6_lib_lookup,
 };
 
 static const struct ipv6_bpf_stub ipv6_bpf_stub_impl = {
-- 
2.34.1


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