diff options
| author | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2018-10-13 21:36:49 +0800 |
|---|---|---|
| committer | Santosh Shilimkar <santosh.shilimkar@oracle.com> | 2019-02-04 14:59:13 -0800 |
| commit | 56dc8bce9f761cf61258e25d96dec4072273d8db (patch) | |
| tree | 99e56197db9d11e8aa3b02d8e354cbadf9843410 /net/rds/ib.c | |
| parent | 3eb450367d0823226515ee24712ed08eccb33eb9 (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/ib.c')
| -rw-r--r-- | net/rds/ib.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/rds/ib.c b/net/rds/ib.c index 21b6588b71ca..2da9b75bad16 100644 --- a/net/rds/ib.c +++ b/net/rds/ib.c @@ -515,6 +515,15 @@ void rds_ib_exit(void) rds_ib_mr_exit(); } +static u8 rds_ib_get_tos_map(u8 tos) +{ + /* 1:1 user to transport map for RDMA transport. + * In future, if custom map is desired, hook can export + * user configurable map. + */ + return tos; +} + struct rds_transport rds_ib_transport = { .laddr_check = rds_ib_laddr_check, .xmit_path_complete = rds_ib_xmit_path_complete, @@ -537,6 +546,7 @@ struct rds_transport rds_ib_transport = { .sync_mr = rds_ib_sync_mr, .free_mr = rds_ib_free_mr, .flush_mrs = rds_ib_flush_mrs, + .get_tos_map = rds_ib_get_tos_map, .t_owner = THIS_MODULE, .t_name = "infiniband", .t_unloading = rds_ib_is_unloading, |