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| -rw-r--r-- | Documentation/networking/rxrpc.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt index 67879992b4c2..605e00cdd6be 100644 --- a/Documentation/networking/rxrpc.txt +++ b/Documentation/networking/rxrpc.txt @@ -1080,6 +1080,20 @@ The kernel interface functions are as follows: successful, the timestamp will be stored into *_ts and true will be returned; false will be returned otherwise. + (*) Get remote client epoch. + + u32 rxrpc_kernel_get_epoch(struct socket *sock, + struct rxrpc_call *call) + + This allows the epoch that's contained in packets of an incoming client + call to be queried. This value is returned. The function always + successful if the call is still in progress. It shouldn't be called once + the call has expired. Note that calling this on a local client call only + returns the local epoch. + + This value can be used to determine if the remote client has been + restarted as it shouldn't change otherwise. + ======================= CONFIGURABLE PARAMETERS |