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21 Commits

Author SHA1 Message Date
Jiri Pirko
e67aba5595 tc: actions: add helpers to parse and print control actions 
Each tc action is terminated by a control action. Each action parses and
prints then intividually. Introduce set of helpers and allow to share
this code.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
 2017-05-22 13:31:51 -07:00
Roman Mashak
530753184a tc: pass correct conversion specifier to print 'unsigned int' action index. 
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
 2016-12-14 19:00:36 -08:00
Shmulik Ladkani
5eca0a3701 tc: m_mirred: Add support for ingress redirect/mirror 
So far, only the 'egress' direction was implemented.

Allow specifying 'ingress' as the direction packet appears on the target
interface.

For example, this takes incoming 802.1q frames on veth0 and redirects
them for input on dummy0:

 # tc filter add dev veth0 parent ffff: pref 1 protocol 802.1q basic \
     action mirred ingress redirect dev dummy0

Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
 2016-10-26 11:20:47 -07:00
Phil Sutter
7093200611 tc: util: No need for action_n2a() to be reentrant 
This allows to remove some buffers here and there. While at it, make it
return a const value.

Signed-off-by: Phil Sutter <phil@nwl.cc>
 2016-07-25 08:10:43 -07:00
Phil Sutter
69f5aff63c tc: use action_a2n() everywhere 
Signed-off-by: Phil Sutter <phil@nwl.cc>
 2016-07-25 08:10:43 -07:00
Phil Sutter
d17b136f7d Use C99 style initializers everywhere 
This big patch was compiled by vimgrepping for memset calls and changing
to C99 initializer if applicable. One notable exception is the
initialization of union bpf_attr in tc/tc_bpf.c: changing it would break
for older gcc versions (at least <=3.4.6).

Calls to memset for struct rtattr pointer fields for parse_rtattr*()
were just dropped since they are not needed.

The changes here allowed the compiler to discover some unused variables,
so get rid of them, too.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
 2016-07-20 12:05:24 -07:00
Jamal Hadi Salim
43726b750a tc: don't ignore ok as an action branch 
This is what used to happen before:

tc filter add dev tap1 parent ffff: protocol 0xfefe prio 10 \
     u32 match u32 0 0 flowid 1:16 \
     action ife decode allow mark ok

tc -s filter ls dev tap1 parent ffff:
filter protocol [65278] pref 10 u32
filter protocol [65278] pref 10 u32 fh 800: ht divisor 1
filter protocol [65278] pref 10 u32 fh 800::800 order 2048 key ht 800
bkt 0 flowid 1:16
  match 00000000/00000000 at 0
        action order 1: ife decode action pipe
         index 2 ref 1 bind 1 installed 4 sec used 4 sec
         type: 0x0
         Metadata: allow mark
        Action statistics:
        Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
        backlog 0b 0p requeues 0

        action order 2: gact action pass
         random type none pass val 0
         index 1 ref 1 bind 1 installed 4 sec used 4 sec
        Action statistics:
        Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
        backlog 0b 0p requeues 0

Note the extra action added at the end..

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
 2016-05-16 11:13:58 -07:00
Stephen Hemminger
32a121cba2 tc: code cleanup 
Use checkpatch to fix whitespace and other style issues.
 2016-03-21 11:48:36 -07:00
Stephen Hemminger
b8a45897b9 More minor spelling fixes 2013-08-04 15:10:05 -07:00
Stephen Hemminger
d1f28cf181 ip: make local functions static 2013-02-12 11:38:35 -08:00
Stephen Hemminger
1b84ad557e Remove mirred debug message 
Other commands are quiet if successful. mirred action had leftover
debug message.
 2010-03-29 17:32:37 -07:00
Stephen Hemminger
ae665a522b Remove trailing whitespace 
Go through source files and remove all trailing whitespace

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
 2006-12-05 10:10:22 -08:00
Jamal Hadi Salim
ebf32083e0 First part of cleaning up the help output of actions. 
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
 2006-08-08 12:10:08 -07:00
osdl.net!shemminger
6ce88ca61d Fix from jamal 
2005/03/25 04:34:05-08:00 net[shemminger]!shemminger
Import patch p2_mirred

(Logical change 1.181)
 2005-03-30 18:43:30 +00:00
site!shemminger
c1027a759b Fix batch mode handle usage. 
(Logical change 1.169)
 2005-03-14 22:19:16 +00:00
osdl.net!shemminger
f9375b7018 Style fix. 
2005/03/04 18:48:00-08:00 net[shemminger]!shemminger
Import patch iproute-batch.1.050209.patch

(Logical change 1.162)
 2005-03-14 19:02:41 +00:00
3!tgraf
5cb5ee34d3 Use parse_rtattr_nested 
(Logical change 1.129)
 2005-01-18 22:11:58 +00:00
3!tgraf
60a383ae5f Use NLMSG_TAIL 
(Logical change 1.127)
 2005-01-18 01:24:18 +00:00
net[shemminger]!shemminger
7e7c737245 Import patch iproute2.121 
(Logical change 1.124)
 2005-01-17 23:32:51 +00:00
net[shemminger]!shemminger
00fa84801e Import patch mirred.patch 
(Logical change 1.111)
 2004-12-08 20:13:56 +00:00
net[shemminger]!shemminger
d74b15e165 Initial revision 2004-12-08 20:13:56 +00:00