iproute2/lib
Guillaume Nault f8879e85f0 utils: bump max args number to 512 for batch files
Large tc filters can have many arguments. For example the following
filter matches the first 7 MPLS LSEs, pops all of them, then updates
the Ethernet header and redirects the resulting packet to eth1.

filter add dev eth0 ingress handle 44 priority 100 \
  protocol mpls_uc flower mpls                     \
    lse depth 1 label 1040076 tc 4 bos 0 ttl 175   \
    lse depth 2 label 89648 tc 2 bos 0 ttl 9       \
    lse depth 3 label 63417 tc 5 bos 0 ttl 185     \
    lse depth 4 label 593135 tc 5 bos 0 ttl 67     \
    lse depth 5 label 857021 tc 0 bos 0 ttl 181    \
    lse depth 6 label 239239 tc 1 bos 0 ttl 254    \
    lse depth 7 label 30 tc 7 bos 1 ttl 237        \
  action mpls pop protocol mpls_uc pipe            \
  action mpls pop protocol mpls_uc pipe            \
  action mpls pop protocol mpls_uc pipe            \
  action mpls pop protocol mpls_uc pipe            \
  action mpls pop protocol mpls_uc pipe            \
  action mpls pop protocol mpls_uc pipe            \
  action mpls pop protocol ipv6 pipe               \
  action vlan pop_eth pipe                         \
  action vlan push_eth                             \
    dst_mac 00:00:5e:00:53:7e                      \
    src_mac 00:00:5e:00:53:03 pipe                 \
  action mirred egress redirect dev eth1

This filter has 149 arguments, so it can't be used with tc -batch
which is limited to a 100.

Let's bump the limit to 512. That should leave a lot of room for big
batch commands.

v2:
   -Define the limit in utils.h (Stephen Hemminger)
   -Bump the limit even higher (256 -> 512) (Stephen Hemminger)

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
2021-06-18 02:57:05 +00:00
..
Makefile build: Fix link errors on some systems 2021-01-18 12:28:47 -08:00
bpf_glue.c lib/bpf: add missing limits.h includes 2021-03-16 22:53:53 -07:00
bpf_legacy.c lib: bpf_legacy: avoid to pass invalid argument to close() 2021-05-06 14:43:54 +00:00
bpf_libbpf.c lib/bpf: add missing limits.h includes 2021-03-16 22:53:53 -07:00
cg_map.c lib: ignore invalid mounts in cg_init_map 2020-10-11 23:02:35 -07:00
color.c lib/color: make local functions static 2018-11-19 11:42:44 -08:00
coverity_model.c scrub out whitespace issues 2016-03-27 10:50:14 -07:00
exec.c netns: switch netns in the child when executing commands 2019-06-20 14:30:41 -07:00
fs.c lib/fs: fix issue when {name,open}_to_handle_at() is not implemented 2021-05-17 02:31:29 +00:00
inet_proto.c ip: add a new parameter -Numeric 2019-06-18 08:37:47 -07:00
json_print.c json_print: Add print_tv() 2021-03-19 15:00:08 +00:00
json_print_math.c build: Fix link errors on some systems 2021-01-18 12:28:47 -08:00
json_writer.c json: fix backslash escape typo in jsonw_puts 2019-07-19 10:48:38 -07:00
libgenl.c mptcp: add support for event monitoring 2021-04-22 05:10:25 +00:00
libnetlink.c libnetlink: add bridge vlan dump request helper 2021-04-22 05:13:29 +00:00
ll_addr.c lib/ll_addr: whitespace and indent cleanup 2018-11-19 11:42:44 -08:00
ll_map.c ip: allow to use alternative names as handle 2019-10-28 07:35:29 -07:00
ll_proto.c m_mpls: add mac_push action 2020-10-20 08:57:08 -06:00
ll_types.c ip: add a new parameter -Numeric 2019-06-18 08:37:47 -07:00
mnl_utils.c utils: Introduce helper routines for generic socket recv 2021-03-03 04:00:04 +00:00
mpls_ntop.c SPDX license identifiers 2017-11-24 12:21:35 -08:00
mpls_pton.c SPDX license identifiers 2017-11-24 12:21:35 -08:00
names.c tc: drop unused name_to_id function 2018-11-19 11:42:44 -08:00
namespace.c lib/namespace: fix ip -all netns return code 2021-02-22 18:17:56 -08:00
rt_names.c lib: rt_names: Add rtnl_dsfield_get_name() 2021-01-18 04:09:29 +00:00
utils.c utils: bump max args number to 512 for batch files 2021-06-18 02:57:05 +00:00
utils_math.c build: Fix link errors on some systems 2021-01-18 12:28:47 -08:00