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authorDavid Howells <dhowells@redhat.com>2017-06-07 16:27:15 +0100
committerDavid Howells <dhowells@redhat.com>2017-06-07 17:15:46 +0100
commit515559ca21713218595f3a4dad44a4e7eea2fcfb (patch)
tree120f6e8449b032b1d29d6ea123460c0fe8b8c82d /include
parent216fe8f021e33c36e3b27c49c9f1951f6b037d7f (diff)
rxrpc: Provide a getsockopt call to query what cmsgs types are supported
Provide a getsockopt() call that can query what cmsg types are supported by AF_RXRPC.
Diffstat (limited to 'include')
-rw-r--r--include/linux/rxrpc.h24
1 files changed, 14 insertions, 10 deletions
diff --git a/include/linux/rxrpc.h b/include/linux/rxrpc.h
index 707910c6c6c5..bdd3175b9a48 100644
--- a/include/linux/rxrpc.h
+++ b/include/linux/rxrpc.h
@@ -38,6 +38,7 @@ struct sockaddr_rxrpc {
#define RXRPC_EXCLUSIVE_CONNECTION 3 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */
#define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */
#define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */
+#define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */
/*
* RxRPC control messages
@@ -45,16 +46,19 @@ struct sockaddr_rxrpc {
* - terminal messages mean that a user call ID tag can be recycled
* - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()
*/
-#define RXRPC_USER_CALL_ID 1 /* sr: user call ID specifier */
-#define RXRPC_ABORT 2 /* sr: abort request / notification [terminal] */
-#define RXRPC_ACK 3 /* -r: [Service] RPC op final ACK received [terminal] */
-#define RXRPC_NET_ERROR 5 /* -r: network error received [terminal] */
-#define RXRPC_BUSY 6 /* -r: server busy received [terminal] */
-#define RXRPC_LOCAL_ERROR 7 /* -r: local error generated [terminal] */
-#define RXRPC_NEW_CALL 8 /* -r: [Service] new incoming call notification */
-#define RXRPC_ACCEPT 9 /* s-: [Service] accept request */
-#define RXRPC_EXCLUSIVE_CALL 10 /* s-: Call should be on exclusive connection */
-#define RXRPC_UPGRADE_SERVICE 11 /* s-: Request service upgrade for client call */
+enum rxrpc_cmsg_type {
+ RXRPC_USER_CALL_ID = 1, /* sr: user call ID specifier */
+ RXRPC_ABORT = 2, /* sr: abort request / notification [terminal] */
+ RXRPC_ACK = 3, /* -r: [Service] RPC op final ACK received [terminal] */
+ RXRPC_NET_ERROR = 5, /* -r: network error received [terminal] */
+ RXRPC_BUSY = 6, /* -r: server busy received [terminal] */
+ RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */
+ RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */
+ RXRPC_ACCEPT = 9, /* s-: [Service] accept request */
+ RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */
+ RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */
+ RXRPC__SUPPORTED
+};
/*
* RxRPC security levels