diff options
| author | David Howells <dhowells@redhat.com> | 2022-04-28 08:30:47 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-11-08 16:42:15 +0000 |
| commit | 589a0c1e0ac31ccba49b214762e444dc015ee1e2 (patch) | |
| tree | ca24e8723f2ca2705c0fb7e67c41c9b623311604 /net/rxrpc | |
| parent | 334dfbfc5a7187c99761df2392dd4cc49c453bea (diff) | |
| download | linux-589a0c1e0ac31ccba49b214762e444dc015ee1e2.tar.gz | |
rxrpc: Track highest acked serial
Keep track of the highest DATA serial number that has been acked by the
peer for future purposes.
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')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 1 | ||||
| -rw-r--r-- | net/rxrpc/input.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 1ad0ec5afb50ce..6c93a2fa96283f 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -690,6 +690,7 @@ struct rxrpc_call { rxrpc_seq_t acks_lowest_nak; /* Lowest NACK in the buffer (or ==tx_hard_ack) */ rxrpc_seq_t acks_lost_top; /* tx_top at the time lost-ack ping sent */ rxrpc_serial_t acks_lost_ping; /* Serial number of probe ACK */ + rxrpc_serial_t acks_highest_serial; /* Highest serial number ACK'd */ }; /* diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 721d847ba92bb2..4ba678f0c384d1 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -967,6 +967,10 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb) call->acks_first_seq = first_soft_ack; call->acks_prev_seq = prev_pkt; + if (buf.ack.reason != RXRPC_ACK_PING && + after(acked_serial, call->acks_highest_serial)) + call->acks_highest_serial = acked_serial; + /* Parse rwind and mtu sizes if provided. */ if (buf.info.rxMTU) rxrpc_input_ackinfo(call, skb, &buf.info); |