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net/rds: Declare SO_RDS_TRANSPORT and RDS_TRANS_* constants in uapi/linux/rds.h

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User space applications that desire to explicitly select the
underlying transport for a PF_RDS socket may do so by using the
SO_RDS_TRANSPORT socket option at the SOL_RDS level before bind().
The integer argument provided to the socket option would be one
of the RDS_TRANS_* values, e.g., RDS_TRANS_TCP. This commit exports
the constant values need by such applications via <linux/rds.h>

Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sowmini Varadhan 2015-05-29 17:28:07 -04:00 committed by David S. Miller
parent f16e9d86ae
commit a28c257c9e
2 changed files with 10 additions and 5 deletions
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10
include/uapi/linux/rds.h
View File

@ -38,6 +38,8 @@
#define RDS_IB_ABI_VERSION 0x301
#define SOL_RDS 276
/*
* setsockopt/getsockopt for SOL_RDS
*/
@ -48,6 +50,14 @@
#define RDS_RECVERR 5
#define RDS_CONG_MONITOR 6
#define RDS_GET_MR_FOR_DEST 7
#define SO_RDS_TRANSPORT 8
/* supported values for SO_RDS_TRANSPORT */
#define RDS_TRANS_IB 0
#define RDS_TRANS_IWARP 1
#define RDS_TRANS_TCP 2
#define RDS_TRANS_COUNT 3
#define RDS_TRANS_NONE (~0)
/*
* Control message types for SOL_RDS.

5
net/rds/rds.h
View File

@ -408,11 +408,6 @@ struct rds_notifier {
* should try hard not to block.
*/
#define RDS_TRANS_IB 0
#define RDS_TRANS_IWARP 1
#define RDS_TRANS_TCP 2
#define RDS_TRANS_COUNT 3
struct rds_transport {
char t_name[TRANSNAMSIZ];
struct list_head t_item;