diff options
Diffstat (limited to 'net/rxrpc/recvmsg.c')
-rw-r--r-- | net/rxrpc/recvmsg.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 02f1f768e16a..a57ea96c84ea 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -313,6 +313,10 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call, unsigned int rx_pkt_offset, rx_pkt_len; int ix, copy, ret = -EAGAIN, ret2; + if (test_and_clear_bit(RXRPC_CALL_RX_UNDERRUN, &call->flags) && + call->ackr_reason) + rxrpc_send_ack_packet(call, false, NULL); + rx_pkt_offset = call->rx_pkt_offset; rx_pkt_len = call->rx_pkt_len; @@ -412,6 +416,8 @@ out: done: trace_rxrpc_recvmsg(call, rxrpc_recvmsg_data_return, seq, rx_pkt_offset, rx_pkt_len, ret); + if (ret == -EAGAIN) + set_bit(RXRPC_CALL_RX_UNDERRUN, &call->flags); return ret; } @@ -684,6 +690,17 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call, read_phase_complete: ret = 1; out: + switch (call->ackr_reason) { + case RXRPC_ACK_IDLE: + break; + case RXRPC_ACK_DELAY: + if (ret != -EAGAIN) + break; + /* Fall through */ + default: + rxrpc_send_ack_packet(call, false, NULL); + } + if (_service) *_service = call->service_id; mutex_unlock(&call->user_mutex); |