[PATCH] socket: Add SO_RXQ_OVFL documentation

[Neil Horman <nhorman@tuxdriver.com>]

Add documentation for the SO_RXQ_OVFL socket option

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: mtk.manpages@gmail.com
CC: andi@firstfloor.org
CC: netdev@vger.kernel.org
---
 man7/socket.7 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/man7/socket.7 b/man7/socket.7
index 6b229dd..aa0aad9 100644
--- a/man7/socket.7
+++ b/man7/socket.7
@@ -663,6 +663,11 @@ with a specific port then it is not possible
 to bind to this port for any local address.
 Argument is an integer boolean flag.
 .TP
+.B SO_RXQ_OVFL
+Indicates that an unsigned 32 bit value ancilliary msg (cmsg) should be attached
+to recieved skbs indicating the number of packets dropped by the socket between
+the last recieved packet and this received packet
+.TP
 .B SO_SNDBUF
 Sets or gets the maximum socket send buffer in bytes.
 The kernel doubles this value (to allow space for bookkeeping overhead)
-- 
1.8.3.1