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Diffstat (limited to 'Documentation/networking/rxrpc.txt')
| -rw-r--r-- | Documentation/networking/rxrpc.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/networking/rxrpc.txt b/Documentation/networking/rxrpc.txt index b5407163d53b..605e00cdd6be 100644 --- a/Documentation/networking/rxrpc.txt +++ b/Documentation/networking/rxrpc.txt @@ -1069,6 +1069,31 @@ The kernel interface functions are as follows: This function may transmit a PING ACK. + (*) Get reply timestamp. + + bool rxrpc_kernel_get_reply_time(struct socket *sock, + struct rxrpc_call *call, + ktime_t *_ts) + + This allows the timestamp on the first DATA packet of the reply of a + client call to be queried, provided that it is still in the Rx ring. If + 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 |