From 6ebf71bab9fb476fc8132be4c12b88201278f0ca Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Thu, 28 May 2020 07:12:26 +0200
Subject: ipv4: add ip_sock_set_tos

Add a helper to directly set the IP_TOS sockopt from kernel space without
going through a fake uaccess.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/ip.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include')

diff --git a/include/net/ip.h b/include/net/ip.h
index 5b317c9f4470..2fc52e26fa88 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -765,4 +765,6 @@ static inline bool inetdev_valid_mtu(unsigned int mtu)
 	return likely(mtu >= IPV4_MIN_MTU);
 }
 
+void ip_sock_set_tos(struct sock *sk, int val);
+
 #endif	/* _IP_H */
-- 
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