A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

rxrpc: Add data Tx tracepoint and adjust Tx ACK tracepoint

Browse source 
Add a tracepoint to log transmission of DATA packets (including loss
injection).

Adjust the ACK transmission tracepoint to include the packet serial number
and to line this up with the DATA transmission display.

Signed-off-by: David Howells <[email protected]>
This commit is contained in:
David Howells 2016-09-23 12:39:22 +01:00
commit be832aecc5
3 changed files with 48 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

5
net/rxrpc/conn_event.c
View file

@ -98,9 +98,6 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
pkt.info.rwind = htonl(rxrpc_rx_window_size);
pkt.info.jumbo_max = htonl(rxrpc_rx_jumbo_max);
len += sizeof(pkt.ack) + sizeof(pkt.info);
trace_rxrpc_tx_ack(NULL, chan->last_seq, 0,
RXRPC_ACK_DUPLICATE, 0);
break;
}
@ -122,6 +119,8 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
_proto("Tx ABORT %%%u { %d } [re]", serial, conn->local_abort);
break;
case RXRPC_PACKET_TYPE_ACK:
trace_rxrpc_tx_ack(NULL, serial, chan->last_seq, 0,
RXRPC_ACK_DUPLICATE, 0);
_proto("Tx ACK %%%u [re]", serial);
break;
}

5
net/rxrpc/output.c
View file

@ -177,7 +177,7 @@ int rxrpc_send_call_packet(struct rxrpc_call *call, u8 type)
pkt->whdr.serial = htonl(serial);
switch (type) {
case RXRPC_PACKET_TYPE_ACK:
trace_rxrpc_tx_ack(call,
trace_rxrpc_tx_ack(call, serial,
ntohl(pkt->ack.firstPacket),
ntohl(pkt->ack.serial),
pkt->ack.reason, pkt->ack.nAcks);
@ -275,6 +275,8 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb)
if (IS_ENABLED(CONFIG_AF_RXRPC_INJECT_LOSS)) {
static int lose;
if ((lose++ & 7) == 7) {
trace_rxrpc_tx_data(call, sp->hdr.seq, serial,
whdr.flags, true);
rxrpc_lose_skb(skb, rxrpc_skb_tx_lost);
_leave(" = 0 [lose]");
return 0;
@ -302,6 +304,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb)
goto send_fragmentable;
done:
trace_rxrpc_tx_data(call, sp->hdr.seq, serial, whdr.flags, false);
if (ret >= 0) {
ktime_t now = ktime_get_real();
skb->tstamp = now;