d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Make me feel a little better by filling in reasonable values for rmx_sendpipe

Browse Source 
and rmx_recvpipe.  This has no demonstrable effect on performance.
(ttcp reports about 44 Mbit/s for all the buffer sizes I tried between
16384 and 65536.)
This commit is contained in:
Garrett Wollman 1996-02-05 19:34:27 +00:00
parent 9ac475e266
commit 5eb1d25adb
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
sys/net/if_loop.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)if_loop.c 8.1 (Berkeley) 6/10/93
* $Id: if_loop.c,v 1.15 1995/12/02 17:11:11 bde Exp $
* $Id: if_loop.c,v 1.16 1995/12/09 20:47:13 phk Exp $
*/
/*
@ -223,9 +223,16 @@ lortrequest(cmd, rt, sa)
struct rtentry *rt;
struct sockaddr *sa;
{
if (rt)
rt->rt_rmx.rmx_mtu = LOMTU;
if (rt) {
rt->rt_rmx.rmx_mtu = rt->rt_ifp->if_mtu; /* for ISO */
/*
* For optimal performance, the send and receive buffers
* should be at least twice the MTU plus a little more for
* overhead.
*/
rt->rt_rmx.rmx_recvpipe =
rt->rt_rmx.rmx_sendpipe = 3 * LOMTU;
}
}
/*
@ -247,8 +254,7 @@ loioctl(ifp, cmd, data)
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
ifa = (struct ifaddr *)data;
if (ifa != 0 && ifa->ifa_addr->sa_family == AF_ISO)
ifa->ifa_rtrequest = lortrequest;
ifa->ifa_rtrequest = lortrequest;
/*
* Everything else is done at a higher level.
*/