MFC: r290383,295282,295283

Replace the fastforward path with tryforward which does not require a
sysctl and will always be on. The former split between default and
fast forwarding is removed by this commit while preserving the ability
to use all network stack features.

Differential Revision:	https://reviews.freebsd.org/D4042
Reviewed by:	ae, melifaro, olivier, rwatson
Approved by:	re (glebius)
Sponsored by:	Rubicon Communications (Netgate)

1 files changed, 2 insertions, 24 deletions

diff --git a/share/man/man4/inet.4 b/share/man/man4/inet.4
index 09cb0bc..6fe4e61 100644
--- a/share/man/man4/inet.4
+++ b/share/man/man4/inet.4
@@ -32,7 +32,7 @@
 .\"     From: @(#)inet.4	8.1 (Berkeley) 6/5/93
 .\" $FreeBSD$
 .\"
-.Dd January 26, 2012
+.Dd Feb 4, 2016
 .Dt INET 4
 .Os
 .Sh NAME
@@ -169,33 +169,11 @@ MIB.
 In addition to the variables supported by the transport protocols
 (for which the respective manual pages may be consulted),
 the following general variables are defined:
-.Bl -tag -width IPCTL_FASTFORWARDING
+.Bl -tag -width IPCTL_ACCEPTSOURCEROUTE
 .It Dv IPCTL_FORWARDING
 .Pq ip.forwarding
 Boolean: enable/disable forwarding of IP packets.
 Defaults to off.
-.It Dv IPCTL_FASTFORWARDING
-.Pq ip.fastforwarding
-Boolean: enable/disable the use of
-.Tn fast IP forwarding
-code.
-Defaults to off.
-When
-.Tn fast IP forwarding
-is enabled, IP packets are forwarded directly to the appropriate network
-interface with direct processing to completion, which greatly improves
-the throughput.
-All packets for local IP addresses, non-unicast, or with IP options are
-handled by the normal IP input processing path.
-All features of the normal (slow) IP forwarding path are supported
-including firewall (through
-.Xr pfil 9
-hooks) checking, except
-.Xr ipsec 4
-tunnel brokering.
-The
-.Tn IP fastforwarding
-path does not generate ICMP redirect or source quench messages.
 .It Dv IPCTL_SENDREDIRECTS
 .Pq ip.redirect
 Boolean: enable/disable sending of ICMP redirects in response to