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authorDavid Howells <dhowells@redhat.com>2016-09-22 00:29:31 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-22 08:21:24 +0100
commit50235c4b5a2fb9a9690f02cd1dea6ca047d7f79e (patch)
tree3dc5a178820b16d5eaef0484fe7751cb4f71375e /net/rxrpc/sysctl.c
parent77f2efcbdd7133466060198e02c6e8a170c3cd14 (diff)
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>
Diffstat (limited to 'net/rxrpc/sysctl.c')
-rw-r--r--net/rxrpc/sysctl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rxrpc/sysctl.c b/net/rxrpc/sysctl.c
index a03c61c672f5..13d1df03ebac 100644
--- a/net/rxrpc/sysctl.c
+++ b/net/rxrpc/sysctl.c
@@ -59,7 +59,7 @@ static struct ctl_table rxrpc_sysctl_table[] = {
.data = &rxrpc_resend_timeout,
.maxlen = sizeof(unsigned int),
.mode = 0644,
- .proc_handler = proc_dointvec_ms_jiffies,
+ .proc_handler = proc_dointvec,
.extra1 = (void *)&one,
},
{