netdev - [PATCH net-next 3/5] tcp: move ipv4

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Message-Id: <20200623223115.152832-4-edumazet@google.com>
Date:   Tue, 23 Jun 2020 15:31:13 -0700
From:   Eric Dumazet <edumazet@...gle.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Eric Dumazet <eric.dumazet@...il.com>
Subject: [PATCH net-next 3/5] tcp: move ipv4_specific to tcp include file

Declare ipv4_specific once, in tcp.h were it belongs.

Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
 include/net/tcp.h       | 2 ++
 include/net/transp_v6.h | 3 ---
 net/mptcp/protocol.h    | 2 --
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index e6920ae0765cc54570059d0a1aa43dba4e74c511..b0f0f93c681c1744560fd229569b59edb1eb20ee 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -907,6 +907,8 @@ static inline void tcp_skb_bpf_redirect_clear(struct sk_buff *skb)
 	TCP_SKB_CB(skb)->bpf.sk_redir = NULL;
 }
 
+extern const struct inet_connection_sock_af_ops ipv4_specific;
+
 #if IS_ENABLED(CONFIG_IPV6)
 /* This is the variant of inet6_iif() that must be used by TCP,
  * as TCP moves IP6CB into a different location in skb->cb[]
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h
index a8f6020f1196edc9940cbb6c605a06279db4fd36..da06613c9603a215902a3057ff327b878c1fe953 100644
--- a/include/net/transp_v6.h
+++ b/include/net/transp_v6.h
@@ -56,9 +56,6 @@ ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, __u16 srcp,
 
 #define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006)
 
-/* address family specific functions */
-extern const struct inet_connection_sock_af_ops ipv4_specific;
-
 void inet6_destroy_sock(struct sock *sk);
 
 #define IPV6_SEQ_DGRAM_HEADER					       \
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index d4294b6d23e4de3ac5551f8b9ec781cf07c8081d..06661781c9afbecce7a19f08afeb8bed8e4ff453 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -354,8 +354,6 @@ static inline void mptcp_subflow_tcp_fallback(struct sock *sk,
 	inet_csk(sk)->icsk_af_ops = ctx->icsk_af_ops;
 }
 
-extern const struct inet_connection_sock_af_ops ipv4_specific;
-
 void mptcp_proto_init(void);
 #if IS_ENABLED(CONFIG_MPTCP_IPV6)
 int mptcp_proto_v6_init(void);
-- 
2.27.0.111.gc72c7da667-goog