kernel_optimize_test/net
Stefan Tomanek 7764a45a8f fib_rules: add .suppress operation
This change adds a new operation to the fib_rules_ops struct; it allows the
suppression of routing decisions if certain criteria are not met by its
results.

The first implemented constraint is a minimum prefix length added to the
structures of routing rules. If a rule is added with a minimum prefix length
>0, only routes meeting this threshold will be considered. Any other (more
general) routing table entries will be ignored.

When configuring a system with multiple network uplinks and default routes, it
is often convinient to reference the main routing table multiple times - but
omitting the default route. Using this patch and a modified "ip" utility, this
can be achieved by using the following command sequence:

  $ ip route add table secuplink default via 10.42.23.1

  $ ip rule add pref 100            table main prefixlength 1
  $ ip rule add pref 150 fwmark 0xA table secuplink

With this setup, packets marked 0xA will be processed by the additional routing
table "secuplink", but only if no suitable route in the main routing table can
be found. By using a minimal prefixlength of 1, the default route (/0) of the
table "main" is hidden to packets processed by rule 100; packets traveling to
destinations with more specific routing entries are processed as usual.

Signed-off-by: Stefan Tomanek <stefan.tomanek@wertarbyte.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-07-31 17:27:17 -07:00
..
9p 9p: client: remove unused code and any reference to "cancelled" function 2013-07-30 15:54:28 -07:00
802 net/802/mrp: fix lockdep splat 2013-05-14 13:02:30 -07:00
8021q net: convert resend IGMP to notifier event 2013-07-23 16:52:47 -07:00
appletalk net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
atm net: always pass struct netdev_notifier_info to netdevice notifiers 2013-05-28 21:58:54 -07:00
ax25 net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
batman-adv net: Unmap fragment page once iterator is done 2013-06-24 01:46:01 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
bridge bridge: cleanup netpoll code 2013-07-26 15:24:32 -07:00
caif net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
can net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
ceph net: add sk_stream_is_writeable() helper 2013-07-24 17:54:48 -07:00
core fib_rules: add .suppress operation 2013-07-31 17:27:17 -07:00
dcb
dccp net: add sk_stream_is_writeable() helper 2013-07-24 17:54:48 -07:00
decnet net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
dns_resolver net: strict_strtoul is obsolete, use kstrtoul instead 2013-07-12 16:09:14 -07:00
dsa
ethernet net: Fix sysfs_format_mac() code duplication. 2013-07-16 17:09:22 -07:00
ieee802154 net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
ipv4 fib_rules: add .suppress operation 2013-07-31 17:27:17 -07:00
ipv6 fib_rules: add .suppress operation 2013-07-31 17:27:17 -07:00
ipx net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
irda net/irda: fixed style issues in irttp 2013-07-19 17:34:40 -07:00
iucv net: delete __cpuinit usage from all net files 2013-07-14 19:36:58 -04:00
key af_key: fix info leaks in notify messages 2013-06-26 15:15:54 -07:00
l2tp l2tp: make datapath resilient to packet loss when sequence numbers enabled 2013-07-02 16:33:25 -07:00
lapb
llc
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
mac802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-30 03:55:20 -04:00
mpls MPLS: Add limited GSO support 2013-05-27 22:50:59 -07:00
netfilter net/sctp: Refactor SCTP skb checksum computation 2013-07-27 20:07:15 -07:00
netlabel net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
netlink netlink: fix splat in skb_clone with large messages 2013-06-27 22:44:16 -07:00
netrom net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
nfc NFC: llcp: Fix the well known services endianness 2013-06-14 13:45:10 +02:00
openvswitch openvswitch: Add Kconfig dependency on GRE-DEMUX. 2013-07-01 13:19:43 -07:00
packet net: Provide a generic socket error queue delivery method for Tx time stamps. 2013-07-22 14:58:19 -07:00
phonet net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
rds net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
rfkill
rose net: Convert uses of typedef ctl_table to struct ctl_table 2013-06-13 02:36:09 -07:00
rxrpc
sched netem: Introduce skb_orphan_partial() helper 2013-07-31 14:59:49 -07:00
sctp net/sctp: Refactor SCTP skb checksum computation 2013-07-27 20:07:15 -07:00
sunrpc net: add sk_stream_is_writeable() helper 2013-07-24 17:54:48 -07:00
tipc net/tipc: use %*phC to dump small buffers in hex form 2013-07-11 17:03:36 -07:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
vmw_vsock VSOCK: Move af_vsock.h and vsock_addr.h to include/net 2013-07-27 22:14:06 -07:00
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2013-06-28 13:18:21 -04:00
x25 x25: Fix broken locking in ioctl error paths. 2013-07-01 18:15:25 -07:00
xfrm net: split rt_genid for ipv4 and ipv6 2013-07-31 14:56:36 -07:00
compat.c net: Unbreak compat_sys_{send,recv}msg 2013-06-06 11:52:14 -07:00
Kconfig pktgen: Require CONFIG_INET due to use of IPv4 checksum function 2013-07-30 16:45:09 -07:00
Makefile MPLS: Add limited GSO support 2013-05-27 22:50:59 -07:00
nonet.c
socket.c net: rename busy poll socket op and globals 2013-07-10 17:08:27 -07:00
sysctl_net.c