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authorSantosh Shilimkar <santosh.shilimkar@oracle.com>2018-10-13 21:36:49 +0800
committerSantosh Shilimkar <santosh.shilimkar@oracle.com>2019-02-04 14:59:13 -0800
commit56dc8bce9f761cf61258e25d96dec4072273d8db (patch)
tree99e56197db9d11e8aa3b02d8e354cbadf9843410 /net/rds/tcp.c
parent3eb450367d0823226515ee24712ed08eccb33eb9 (diff)
rds: add transport specific tos_map hook
RDMA transport maps user tos to underline virtual lanes(VL) for IB or DSCP values. RDMA CM transport abstract thats for RDS. TCP transport makes use of default priority 0 and maps all user tos values to it. Reviewed-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com> [yanjun.zhu@oracle.com: Adapted original patch with ipv6 changes] Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Diffstat (limited to 'net/rds/tcp.c')
-rw-r--r--net/rds/tcp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/rds/tcp.c b/net/rds/tcp.c
index eb6851952cbf..fd2694174607 100644
--- a/net/rds/tcp.c
+++ b/net/rds/tcp.c
@@ -453,6 +453,12 @@ static void rds_tcp_destroy_conns(void)
static void rds_tcp_exit(void);
+static u8 rds_tcp_get_tos_map(u8 tos)
+{
+ /* all user tos mapped to default 0 for TCP transport */
+ return 0;
+}
+
struct rds_transport rds_tcp_transport = {
.laddr_check = rds_tcp_laddr_check,
.xmit_path_prepare = rds_tcp_xmit_path_prepare,
@@ -467,6 +473,7 @@ struct rds_transport rds_tcp_transport = {
.inc_free = rds_tcp_inc_free,
.stats_info_copy = rds_tcp_stats_info_copy,
.exit = rds_tcp_exit,
+ .get_tos_map = rds_tcp_get_tos_map,
.t_owner = THIS_MODULE,
.t_name = "tcp",
.t_type = RDS_TRANS_TCP,