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authorSean Hefty <sean.hefty@intel.com>2007-08-08 15:51:06 -0700
committerRoland Dreier <rolandd@cisco.com>2007-10-09 19:59:12 -0700
commita81c994d5eef87ed77cb30d8343d6be296528b3f (patch)
tree2d5be6dcb6283ab32cbc434b43f04df3034de5d8 /include/rdma
parent733d65fe33b3002a6f2694c0fd8bd760dc13141f (diff)
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RDMA/cma: Add ability to specify type of service
Provide support to specify a type of service for a communication identifier. A new function call is used when dealing with IPv4 addresses. For IPv6 addresses, the ToS is specified through the traffic class field in the sockaddr_in6 structure. Signed-off-by: Sean Hefty <sean.hefty@intel.com> [ The comments Eitan Zahavi and myself have made over the v1 post at <http://lists.openfabrics.org/pipermail/general/2007-August/039247.html> were fully addressed. ] Reviewed-by: Or Gerlitz <ogerlitz@voltaire.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/rdma_cm.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index 2d6a7705eae..010f876f41d 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -314,4 +314,18 @@ int rdma_join_multicast(struct rdma_cm_id *id, struct sockaddr *addr,
*/
void rdma_leave_multicast(struct rdma_cm_id *id, struct sockaddr *addr);
+/**
+ * rdma_set_service_type - Set the type of service associated with a
+ * connection identifier.
+ * @id: Communication identifier to associated with service type.
+ * @tos: Type of service.
+ *
+ * The type of service is interpretted as a differentiated service
+ * field (RFC 2474). The service type should be specified before
+ * performing route resolution, as existing communication on the
+ * connection identifier may be unaffected. The type of service
+ * requested may not be supported by the network to all destinations.
+ */
+void rdma_set_service_type(struct rdma_cm_id *id, int tos);
+
#endif /* RDMA_CM_H */