From: Alexander Aring <aahringo@redhat.com>
Date: Fri, 26 Jun 2020 17:26:48 +0000 (-0400)
Subject: net: sock: add sock_set_mark
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=84d1c617402e7e67fc95ab2384da8dae7d1b0efe;p=uclinux-h8%2Flinux.git

net: sock: add sock_set_mark

This patch adds a new socket helper function to set the mark value for a
kernel socket.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---

diff --git a/include/net/sock.h b/include/net/sock.h
index c53cc42b5ab9..591dd3f12dbb 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2696,6 +2696,7 @@ void sock_no_linger(struct sock *sk);
 void sock_set_keepalive(struct sock *sk);
 void sock_set_priority(struct sock *sk, u32 priority);
 void sock_set_rcvbuf(struct sock *sk, int val);
+void sock_set_mark(struct sock *sk, u32 val);
 void sock_set_reuseaddr(struct sock *sk);
 void sock_set_reuseport(struct sock *sk);
 void sock_set_sndtimeo(struct sock *sk, s64 secs);
diff --git a/net/core/sock.c b/net/core/sock.c
index 6c4acf1f0220..ea6e8348b3dc 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -828,6 +828,14 @@ void sock_set_rcvbuf(struct sock *sk, int val)
 }
 EXPORT_SYMBOL(sock_set_rcvbuf);
 
+void sock_set_mark(struct sock *sk, u32 val)
+{
+	lock_sock(sk);
+	sk->sk_mark = val;
+	release_sock(sk);
+}
+EXPORT_SYMBOL(sock_set_mark);
+
 /*
  *	This is meant for all protocols to use and covers goings on
  *	at the socket level. Everything here is generic.