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Diffstat (limited to 'net/rxrpc/recvmsg.c')
-rw-r--r--net/rxrpc/recvmsg.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 8c7f3de45bac..038ae62ddb4d 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -133,7 +133,7 @@ static int rxrpc_recvmsg_new_call(struct rxrpc_sock *rx,
/*
* End the packet reception phase.
*/
-static void rxrpc_end_rx_phase(struct rxrpc_call *call)
+static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial)
{
_enter("%d,%s", call->debug_id, rxrpc_call_states[call->state]);
@@ -141,7 +141,7 @@ static void rxrpc_end_rx_phase(struct rxrpc_call *call)
ASSERTCMP(call->rx_hard_ack, ==, call->rx_top);
if (call->state == RXRPC_CALL_CLIENT_RECV_REPLY) {
- rxrpc_propose_ACK(call, RXRPC_ACK_IDLE, 0, 0, true, false,
+ rxrpc_propose_ACK(call, RXRPC_ACK_IDLE, 0, serial, true, false,
rxrpc_propose_ack_terminal_ack);
rxrpc_send_call_packet(call, RXRPC_PACKET_TYPE_ACK);
}
@@ -201,8 +201,19 @@ static void rxrpc_rotate_rx_window(struct rxrpc_call *call)
_debug("%u,%u,%02x", hard_ack, top, flags);
trace_rxrpc_receive(call, rxrpc_receive_rotate, serial, hard_ack);
- if (flags & RXRPC_LAST_PACKET)
- rxrpc_end_rx_phase(call);
+ if (flags & RXRPC_LAST_PACKET) {
+ rxrpc_end_rx_phase(call, serial);
+ } else {
+ /* Check to see if there's an ACK that needs sending. */
+ if (after_eq(hard_ack, call->ackr_consumed + 2) ||
+ after_eq(top, call->ackr_seen + 2) ||
+ (hard_ack == top && after(hard_ack, call->ackr_consumed)))
+ rxrpc_propose_ACK(call, RXRPC_ACK_DELAY, 0, serial,
+ true, false,
+ rxrpc_propose_ack_rotate_rx);
+ if (call->ackr_reason)
+ rxrpc_send_call_packet(call, RXRPC_PACKET_TYPE_ACK);
+ }
}
/*