rxrpc: Need to start the resend timer on initial transmission
When a DATA packet has its initial transmission, we may need to start or
adjust the resend timer. Without this we end up relying on being sent a
NACK to initiate the resend.
Signed-off-by: David Howells <dhowells@redhat.com>
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 808ab75..9e3ba4d 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -704,6 +704,7 @@
/*
* call_event.c
*/
+void rxrpc_set_timer(struct rxrpc_call *);
void rxrpc_propose_ACK(struct rxrpc_call *, u8, u16, u32, bool, bool);
void rxrpc_process_call(struct work_struct *);
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index a2909da..3a7f90a 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -24,7 +24,7 @@
/*
* Set the timer
*/
-static void rxrpc_set_timer(struct rxrpc_call *call)
+void rxrpc_set_timer(struct rxrpc_call *call)
{
unsigned long t, now = jiffies;
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index ca3811b..7cb34b2 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -146,6 +146,15 @@
if (ret < 0) {
_debug("need instant resend %d", ret);
rxrpc_instant_resend(call, ix);
+ } else {
+ unsigned long resend_at;
+
+ resend_at = jiffies + msecs_to_jiffies(rxrpc_resend_timeout);
+
+ if (time_before(resend_at, call->resend_at)) {
+ call->resend_at = resend_at;
+ rxrpc_set_timer(call);
+ }
}
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);