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authorIdo Schimmel <idosch@nvidia.com>2024-09-05 19:51:40 +0300
committerDavid S. Miller <davem@davemloft.net>2024-09-09 14:14:53 +0100
commit8b6d13cc8b3855862af583fed83d60b1df6f9ba2 (patch)
tree4d15bdd854d0c5362fb9dc1657f7c763d04bd0b9 /net
parent2c60fc9ca21636e4bbb30357562dc1abb577f5fb (diff)
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: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Guillaume Nault <gnault@redhat.com> Reviewed-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/sctp/protocol.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 5a7436a13b74..39ca5403d4d7 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -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);