diff options
| author | David Howells <dhowells@redhat.com> | 2022-10-17 08:54:57 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2023-01-31 16:38:09 +0000 |
| commit | af094824f20b454ee23b7b5a860b3ba58f4e6938 (patch) | |
| tree | 10093f83719001b3305ae729270f69470158ad45 /net/rxrpc/ar-internal.h | |
| parent | 223f59016fa2b6d01814dc53ace1c146857ba236 (diff) | |
| download | lwn-af094824f20b454ee23b7b5a860b3ba58f4e6938.tar.gz lwn-af094824f20b454ee23b7b5a860b3ba58f4e6938.zip | |
rxrpc: Allow a delay to be injected into packet reception
If CONFIG_AF_RXRPC_DEBUG_RX_DELAY=y, then a delay is injected between
packets and errors being received and them being made available to the
processing code, thereby allowing the RTT to be artificially increased.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Diffstat (limited to 'net/rxrpc/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 808c08cb2ae5..bfae4a87626f 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -285,6 +285,9 @@ struct rxrpc_local { struct completion io_thread_ready; /* Indication that the I/O thread started */ struct rxrpc_sock *service; /* Service(s) listening on this endpoint */ struct rw_semaphore defrag_sem; /* control re-enablement of IP DF bit */ +#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY + struct sk_buff_head rx_delay_queue; /* Delay injection queue */ +#endif struct sk_buff_head rx_queue; /* Received packets */ struct list_head conn_attend_q; /* Conns requiring immediate attention */ struct list_head call_attend_q; /* Calls requiring immediate attention */ @@ -1109,6 +1112,9 @@ extern unsigned long rxrpc_idle_ack_delay; extern unsigned int rxrpc_rx_window_size; extern unsigned int rxrpc_rx_mtu; extern unsigned int rxrpc_rx_jumbo_max; +#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY +extern unsigned long rxrpc_inject_rx_delay; +#endif /* * net_ns.c |