diff options
| author | wollman <wollman@FreeBSD.org> | 1996-02-05 19:34:27 +0000 |
|---|---|---|
| committer | wollman <wollman@FreeBSD.org> | 1996-02-05 19:34:27 +0000 |
| commit | b87b197fabb53bb02f46d037ecedd3b6e3272403 (patch) | |
| tree | 2401b2be8d66d330990f3ff52b40d4022607b2a0 /sys/net | |
| parent | dbc684408d82ac0fb086e3252e9fa58238dd08d7 (diff) | |
| download | FreeBSD-src-b87b197fabb53bb02f46d037ecedd3b6e3272403.zip FreeBSD-src-b87b197fabb53bb02f46d037ecedd3b6e3272403.tar.gz | |
Make me feel a little better by filling in reasonable values for rmx_sendpipe
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.)
Diffstat (limited to 'sys/net')
| -rw-r--r-- | sys/net/if_loop.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/sys/net/if_loop.c b/sys/net/if_loop.c index cd8568f..e0b32b7 100644 --- a/sys/net/if_loop.c +++ b/sys/net/if_loop.c @@ -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. */ |
