Commit 8b6d13cc authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

sctp: Unmask upper DSCP bits in sctp_v4_get_dst() 



Unmask the upper DSCP bits when calling ip_route_output_key() so that in
the future it could perform the FIB lookup according to the full DSCP
value.

Note that the 'tos' variable holds the full DS field.

Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarGuillaume Nault <gnault@redhat.com>
Reviewed-by: default avatarXin Long <lucien.xin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2c60fc9c

net/sctp/protocol.c

+2 −1
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ 
#include <net/inet_common.h>

#include <net/inet_ecn.h>

#include <net/udp_tunnel.h>

#include <net/inet_dscp.h>



#define MAX_SCTP_PORT_HASH_ENTRIES (64 * 1024)
@@ -435,7 +436,7 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr, 
	fl4->fl4_dport = daddr->v4.sin_port;

	fl4->flowi4_proto = IPPROTO_SCTP;

	if (asoc) {

		fl4->flowi4_tos = RT_TOS(tos);

		fl4->flowi4_tos = tos & INET_DSCP_MASK;

		fl4->flowi4_scope = ip_sock_rt_scope(asoc->base.sk);

		fl4->flowi4_oif = asoc->base.sk->sk_bound_dev_if;

		fl4->fl4_sport = htons(asoc->base.bind_addr.port);