diff options
Diffstat (limited to 'net/rxrpc/conn_event.c')
| -rw-r--r-- | net/rxrpc/conn_event.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index c4eb7986efdd..4d9c5e21ba78 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -26,7 +26,7 @@ static bool rxrpc_set_conn_aborted(struct rxrpc_connection *conn, struct sk_buff bool aborted = false; if (conn->state != RXRPC_CONN_ABORTED) { - spin_lock(&conn->state_lock); + spin_lock_irq(&conn->state_lock); if (conn->state != RXRPC_CONN_ABORTED) { conn->abort_code = abort_code; conn->error = err; @@ -37,7 +37,7 @@ static bool rxrpc_set_conn_aborted(struct rxrpc_connection *conn, struct sk_buff set_bit(RXRPC_CONN_EV_ABORT_CALLS, &conn->events); aborted = true; } - spin_unlock(&conn->state_lock); + spin_unlock_irq(&conn->state_lock); } return aborted; @@ -92,7 +92,7 @@ void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, struct rxrpc_acktrailer trailer; size_t len; int ret, ioc; - u32 serial, mtu, call_id, padding; + u32 serial, max_mtu, if_mtu, call_id, padding; _enter("%d", conn->debug_id); @@ -150,8 +150,13 @@ void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, break; case RXRPC_PACKET_TYPE_ACK: - mtu = conn->peer->if_mtu; - mtu -= conn->peer->hdrsize; + if_mtu = conn->peer->if_mtu - conn->peer->hdrsize; + if (conn->peer->ackr_adv_pmtud) { + max_mtu = umax(conn->peer->max_data, rxrpc_rx_mtu); + } else { + if_mtu = umin(1444, if_mtu); + max_mtu = if_mtu; + } pkt.ack.bufferSpace = 0; pkt.ack.maxSkew = htons(skb ? skb->priority : 0); pkt.ack.firstPacket = htonl(chan->last_seq + 1); @@ -159,10 +164,10 @@ void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, pkt.ack.serial = htonl(skb ? sp->hdr.serial : 0); pkt.ack.reason = skb ? RXRPC_ACK_DUPLICATE : RXRPC_ACK_IDLE; pkt.ack.nAcks = 0; - trailer.maxMTU = htonl(rxrpc_rx_mtu); - trailer.ifMTU = htonl(mtu); + trailer.maxMTU = htonl(max_mtu); + trailer.ifMTU = htonl(if_mtu); trailer.rwind = htonl(rxrpc_rx_window_size); - trailer.jumbo_max = htonl(rxrpc_rx_jumbo_max); + trailer.jumbo_max = 0; pkt.whdr.flags |= RXRPC_SLOW_START_OK; padding = 0; iov[0].iov_len += sizeof(pkt.ack); @@ -172,7 +177,8 @@ void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn, trace_rxrpc_tx_ack(chan->call_debug_id, serial, ntohl(pkt.ack.firstPacket), ntohl(pkt.ack.serial), - pkt.ack.reason, 0, rxrpc_rx_window_size); + pkt.ack.reason, 0, rxrpc_rx_window_size, + rxrpc_propose_ack_retransmit); break; default: @@ -254,10 +260,10 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, if (ret < 0) return ret; - spin_lock(&conn->state_lock); + spin_lock_irq(&conn->state_lock); if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) conn->state = RXRPC_CONN_SERVICE; - spin_unlock(&conn->state_lock); + spin_unlock_irq(&conn->state_lock); if (conn->state == RXRPC_CONN_SERVICE) { /* Offload call state flipping to the I/O thread. As |