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authorSantosh Shilimkar <santosh.shilimkar@oracle.com>2018-10-23 23:21:14 -0400
committerSantosh Shilimkar <santosh.shilimkar@oracle.com>2019-02-04 14:59:12 -0800
commit3eb450367d0823226515ee24712ed08eccb33eb9 (patch)
treed45c2920e6845dcd8a042c751c8b9dddcd48b913 /net/rds/rds.h
parentd021fabf525ffdaeb4e6f1cf50e1ba325ca5273b (diff)
downloadlinux-3eb450367d0823226515ee24712ed08eccb33eb9.tar.bz2
rds: add type of service(tos) infrastructure
RDS Service type (TOS) is user-defined and needs to be configured via RDS IOCTL interface. It must be set before initiating any traffic and once set the TOS can not be changed. All out-going traffic from the socket will be associated with its TOS. 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/rds.h')
-rw-r--r--net/rds/rds.h9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/rds/rds.h b/net/rds/rds.h
index 660023f08553..7e52b92092d7 100644
--- a/net/rds/rds.h
+++ b/net/rds/rds.h
@@ -158,6 +158,9 @@ struct rds_connection {
unsigned int c_version;
possible_net_t c_net;
+ /* TOS */
+ u8 c_tos;
+
struct list_head c_map_item;
unsigned long c_map_queued;
@@ -652,6 +655,7 @@ struct rds_sock {
u8 rs_rx_traces;
u8 rs_rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX];
struct rds_msg_zcopy_queue rs_zcookie_queue;
+ u8 rs_tos;
};
static inline struct rds_sock *rds_sk_to_rs(const struct sock *sk)
@@ -760,13 +764,14 @@ void rds_conn_exit(void);
struct rds_connection *rds_conn_create(struct net *net,
const struct in6_addr *laddr,
const struct in6_addr *faddr,
- struct rds_transport *trans, gfp_t gfp,
+ struct rds_transport *trans,
+ u8 tos, gfp_t gfp,
int dev_if);
struct rds_connection *rds_conn_create_outgoing(struct net *net,
const struct in6_addr *laddr,
const struct in6_addr *faddr,
struct rds_transport *trans,
- gfp_t gfp, int dev_if);
+ u8 tos, gfp_t gfp, int dev_if);
void rds_conn_shutdown(struct rds_conn_path *cpath);
void rds_conn_destroy(struct rds_connection *conn);
void rds_conn_drop(struct rds_connection *conn);