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Xin Long 4e578c78fe tc: f_flower: add options support for erspan 
This patch is to add TCA_FLOWER_KEY_ENC_OPTS_ERSPAN's parse and
print to implement erspan options support in m_tunnel_key, like
Commit 56155d4df8 ("tc: f_flower: add geneve option match
support to flower") for geneve options support.

Option is expressed as version:index:dir:hwid, dir and hwid will
be parsed when version is 2, while index will be parsed when
version is 1. erspan doesn't support multiple options.

With this patch, users can add and dump erspan options like:

  # ip link add name erspan1 type erspan external
  # tc qdisc add dev erspan1 ingress
  # tc filter add dev erspan1 protocol ip parent ffff: \
      flower \
        enc_src_ip 10.0.99.192 \
        enc_dst_ip 10.0.99.193 \
        enc_key_id 11 \
        erspan_opts 1:2:0:0/1:255:0:0 \
        ip_proto udp \
        action mirred egress redirect dev eth1
  # tc -s filter show dev erspan1 parent ffff:

     filter protocol ip pref 49152 flower chain 0 handle 0x1
       eth_type ipv4
       ip_proto udp
       enc_dst_ip 10.0.99.193
       enc_src_ip 10.0.99.192
       enc_key_id 11
       erspan_opts 1:2:0:0/1:255:0:0
       not_in_hw
         action order 1: mirred (Egress Redirect to device eth1) stolen
         index 1 ref 1 bind 1
         Action statistics:
         Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0)
         backlog 0b 0p requeues 0

v1->v2:
  - no change.
v2->v3:
  - no change.
v3->v4:
  - keep the same format between input and output, json and non json.
  - print version, index, dir and hwid as uint.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
 		2020-05-01 16:33:27 +00:00
..
.gitignore make yacc usage POSIX compatible 2020-01-20 09:43:22 -08:00
Makefile tc: add support for FQ-PIE packet scheduler 2020-02-04 03:24:39 -08:00
e_bpf.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
em_canid.c drop unneeded include of syslog.h 2017-11-12 16:22:36 -08:00
em_cmp.c drop unneeded include of syslog.h 2017-11-12 16:22:36 -08:00
em_ipset.c Include bsd/string.h only in include/utils.h 2018-11-05 08:38:32 -08:00
em_ipt.c tc: fix spelling errors 2019-08-12 18:18:51 -07:00
em_meta.c tc/meta: make meta_table static and const 2018-11-19 11:42:44 -08:00
em_nbyte.c drop unneeded include of syslog.h 2017-11-12 16:22:36 -08:00
em_u32.c drop unneeded include of syslog.h 2017-11-12 16:22:36 -08:00
emp_ematch.l make yacc usage POSIX compatible 2020-01-20 09:43:22 -08:00
emp_ematch.y make yacc usage POSIX compatible 2020-01-20 09:43:22 -08:00
f_basic.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_bpf.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_cgroup.c tc actions: Improved batching and time filtered dumping 2017-08-04 13:16:51 -07:00
f_flow.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_flower.c tc: f_flower: add options support for erspan 2020-05-01 16:33:27 +00:00
f_fw.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_matchall.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_route.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_rsvp.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_tcindex.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
f_u32.c tc: f_u32: allow skip_hw and skip_sw flags to be last 2018-11-09 08:12:29 -08:00
m_action.c tc: show used HW stats types 2020-03-31 23:30:04 +00:00
m_bpf.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_connmark.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_csum.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_ct.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_ctinfo.c tc: add support for action act_ctinfo 2019-06-10 10:24:38 -07:00
m_ematch.c tc/ematch: make local functions static 2018-11-19 11:42:44 -08:00
m_ematch.h tc/ematch: make local functions static 2018-11-19 11:42:44 -08:00
m_estimator.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
m_gact.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_ife.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_ipt.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_mirred.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_mpls.c iproute2: fix MPLS label parsing 2020-03-15 09:56:53 -07:00
m_nat.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_pedit.c tc: pedit: Support JSON dumping 2020-04-30 02:43:23 +00:00
m_pedit.h tc/pedit: make functions static 2018-11-19 11:42:44 -08:00
m_police.c iproute2-next: police: support 64bit rate and peakrate in tc utility 2019-09-15 10:39:19 -07:00
m_sample.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_simple.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_skbedit.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_skbmod.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
m_tunnel_key.c tc: m_tunnel_key: add options support for erpsan 2020-05-01 16:33:18 +00:00
m_vlan.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_xt.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
m_xt_old.c tc: print all error messages to stderr 2019-07-11 15:35:07 -07:00
p_eth.c tc/pedit: use structure initialization 2018-11-19 11:42:44 -08:00
p_icmp.c tc/pedit: use structure initialization 2018-11-19 11:42:44 -08:00
p_ip.c tc/pedit: use structure initialization 2018-11-19 11:42:44 -08:00
p_ip6.c tc: p_ip6: Support pedit of IPv6 dsfield 2020-04-09 14:39:58 +00:00
p_tcp.c tc/pedit: use structure initialization 2018-11-19 11:42:44 -08:00
p_udp.c tc/pedit: use structure initialization 2018-11-19 11:42:44 -08:00
q_atm.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
q_cake.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
q_cbq.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
q_cbs.c tc: cbs: add support for JSON output 2019-12-29 09:57:27 -08:00
q_choke.c tc: choke: add support for JSON output 2019-12-29 09:57:27 -08:00
q_clsact.c SPDX license identifiers 2017-11-24 12:21:35 -08:00
q_codel.c tc: codel: add support for JSON output 2019-12-29 09:57:27 -08:00
q_drr.c treewide: Use addattr_nest()/addattr_nest_end() to handle nested attributes 2018-02-02 15:01:09 -08:00
q_dsmark.c treewide: Use addattr_nest()/addattr_nest_end() to handle nested attributes 2018-02-02 15:01:09 -08:00
q_etf.c etf: Add skip_sock_check 2019-07-18 15:44:21 -07:00
q_ets.c tc: Add support for ETS Qdisc 2020-01-18 21:54:12 +00:00
q_fifo.c tc: jsonify output of q_fifo 2018-10-08 09:22:22 -07:00
q_fq.c tc: fq: add support for JSON output 2019-12-29 09:57:27 -08:00
q_fq_codel.c Merge branch 'master' into next 2020-01-02 17:49:45 +00:00
q_fq_pie.c tc: add support for FQ-PIE packet scheduler 2020-02-04 03:24:39 -08:00
q_gred.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
q_hfsc.c treewide: Use addattr_nest()/addattr_nest_end() to handle nested attributes 2018-02-02 15:01:09 -08:00
q_hhf.c tc: hhf: add support for JSON output 2019-12-29 09:57:27 -08:00
q_htb.c fix print_0xhex on 32 bit 2018-12-10 14:20:32 -08:00
q_ingress.c ingress: Don't break JSON output 2018-04-25 11:08:39 -07:00
q_mqprio.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
q_multiq.c tc: B.W limits can now be specified in %. 2017-11-24 11:22:13 -08:00
q_netem.c tc: fix spelling errors 2019-08-12 18:18:51 -07:00
q_pie.c Revert "tc: pie: change maximum integer value of tc_pie_xstats->prob" 2020-03-10 18:29:26 +00:00
q_plug.c tc: add support for plug qdisc 2019-05-04 09:22:14 -07:00
q_prio.c tc: prio: fix space in JSON tag 2020-01-06 13:11:41 -08:00
q_qfq.c treewide: Use addattr_nest()/addattr_nest_end() to handle nested attributes 2018-02-02 15:01:09 -08:00
q_red.c tc: q_red: Support 'nodrop' flag 2020-03-25 16:45:37 +00:00
q_rr.c tc: B.W limits can now be specified in %. 2017-11-24 11:22:13 -08:00
q_sfb.c tc: sfb: add support for JSON output 2019-12-29 09:57:27 -08:00
q_sfq.c tc: sfq: add support for JSON output 2019-12-29 09:57:27 -08:00
q_skbprio.c tc: skbprio: add support for JSON output 2020-01-06 13:12:02 -08:00
q_taprio.c taprio: add support for setting txtime_delay. 2019-07-18 15:46:36 -07:00
q_tbf.c tc: tbf: add support for JSON output 2019-12-29 09:57:27 -08:00
static-syms.c SPDX license identifiers 2017-11-24 12:21:35 -08:00
tc.c build: fix build failure with -fno-common 2020-01-20 09:40:59 -08:00
tc_cbq.c tc: fix spelling errors 2019-08-12 18:18:51 -07:00
tc_cbq.h SPDX license identifiers 2017-11-24 12:21:35 -08:00
tc_class.c tc: parse attributes with NLA_F_NESTED flag 2020-01-22 03:45:48 +00:00
tc_common.h Revert "tc: Add batchsize feature for filter and actions" 2019-08-02 09:34:51 -07:00
tc_core.c iproute2-next: police: support 64bit rate and peakrate in tc utility 2019-09-15 10:39:19 -07:00
tc_core.h iproute2-next: police: support 64bit rate and peakrate in tc utility 2019-09-15 10:39:19 -07:00
tc_estimator.c tc: support conversions to or from 64 bit nanosecond-based time 2018-08-30 11:04:38 -07:00
tc_exec.c treewide: refactor help messages 2019-05-20 14:35:07 -07:00
tc_filter.c tc: parse attributes with NLA_F_NESTED flag 2020-01-22 03:45:48 +00:00
tc_monitor.c Tree wide: Drop sockaddr_nl arg 2018-10-22 09:43:48 -07:00
tc_qdisc.c tc: parse attributes with NLA_F_NESTED flag 2020-01-22 03:45:48 +00:00
tc_red.c tc: q_red: Support 'nodrop' flag 2020-03-25 16:45:37 +00:00
tc_red.h tc: move RED flag printing to helper 2018-11-24 07:10:58 -08:00
tc_stab.c drop unneeded include of syslog.h 2017-11-12 16:22:36 -08:00
tc_util.c tc: do not output newline in oneline mode 2019-12-11 17:21:10 +00:00
tc_util.h tc_util: add functions for big endian masked numbers 2019-11-25 21:37:01 +00:00