linux/net/rxrpc
David Howells 50235c4b5a rxrpc: Obtain RTT data by requesting ACKs on DATA packets
In addition to sending a PING ACK to gain RTT data, we can set the
RXRPC_REQUEST_ACK flag on a DATA packet and get a REQUESTED-ACK ACK.  The
ACK packet contains the serial number of the packet it is in response to,
so we can look through the Tx buffer for a matching DATA packet.

This requires that the data packets be stamped with the time of
transmission as a ktime rather than having the resend_at time in jiffies.

This further requires the resend code to do the resend determination in
ktimes and convert to jiffies to set the timer.

Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-22 08:21:24 +01:00
..
Kconfig rxrpc: Add config to inject packet loss 2016-09-17 11:24:04 +01:00
Makefile rxrpc: Split sendmsg from packet transmission code 2016-09-04 21:41:39 +01:00
af_rxrpc.c rxrpc: Improve skb tracing 2016-09-17 11:24:04 +01:00
ar-internal.h rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
call_accept.c rxrpc: Add a tracepoint to follow packets in the Rx buffer 2016-09-17 11:24:03 +01:00
call_event.c rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
call_object.c rxrpc: Improve skb tracing 2016-09-17 11:24:04 +01:00
conn_client.c rxrpc: Add connection tracepoint and client conn state tracepoint 2016-09-17 11:24:03 +01:00
conn_event.c rxrpc: Improve skb tracing 2016-09-17 11:24:04 +01:00
conn_object.c rxrpc: Don't store the rxrpc header in the Tx queue sk_buffs 2016-09-22 01:23:50 +01:00
conn_service.c rxrpc: Add connection tracepoint and client conn state tracepoint 2016-09-17 11:24:03 +01:00
input.c rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
insecure.c rxrpc: Rewrite the data and ack handling code 2016-09-08 11:10:12 +01:00
key.c rxrpc: Use structs to hold connection params and protocol info 2016-06-22 09:09:59 +01:00
local_event.c rxrpc: Improve skb tracing 2016-09-17 11:24:04 +01:00
local_object.c rxrpc: Make IPv6 support conditional on CONFIG_IPV6 2016-09-17 03:58:45 -04:00
misc.c rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
output.c rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
peer_event.c rxrpc: Add per-peer RTT tracker 2016-09-22 01:26:25 +01:00
peer_object.c rxrpc: Make IPv6 support conditional on CONFIG_IPV6 2016-09-17 03:58:45 -04:00
proc.c rxrpc: Add IPv6 support 2016-09-13 23:09:13 +01:00
recvmsg.c rxrpc: Improve skb tracing 2016-09-17 11:24:04 +01:00
rxkad.c rxrpc: Don't store the rxrpc header in the Tx queue sk_buffs 2016-09-22 01:23:50 +01:00
security.c rxrpc: Rewrite the data and ack handling code 2016-09-08 11:10:12 +01:00
sendmsg.c rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
skbuff.c rxrpc: Improve skb tracing 2016-09-17 11:24:04 +01:00
sysctl.c rxrpc: Obtain RTT data by requesting ACKs on DATA packets 2016-09-22 08:21:24 +01:00
utils.c rxrpc: Make IPv6 support conditional on CONFIG_IPV6 2016-09-17 03:58:45 -04:00