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erspan: add erspan usage description 

The patch adds erspan usage description, so 'ip link help erspan'
and 'ip link help ip6erspan' shows the options.

Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: David Ahern <dsahern@gmail.com>
This commit is contained in:
William Tu 2017-12-26 10:31:16 -08:00 committed by David Ahern
parent 2897636267
commit 1e4be52bf2
2 changed files with 8 additions and 0 deletions
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4
ip/link_gre.c
View File

@ -44,7 +44,11 @@ static void print_usage(FILE *f)
" [ [no]encap-csum6 ]\n"
" [ [no]encap-remcsum ]\n"
" [ fwmark MARK ]\n"
" [ erspan_ver version ]\n"
" [ erspan IDX ]\n"
" [ erspan_dir { ingress | egress } ]\n"
" [ erspan_hwid hwid ]\n"
" [ external ]\n"
"\n"
"Where: ADDR := { IP_ADDRESS | any }\n"
" TOS := { NUMBER | inherit }\n"

4
ip/link_gre6.c
View File

@ -52,7 +52,11 @@ static void print_usage(FILE *f)
" [ [no]encap-csum ]\n"
" [ [no]encap-csum6 ]\n"
" [ [no]encap-remcsum ]\n"
" [ erspan_ver version ]\n"
" [ erspan IDX ]\n"
" [ erspan_dir { ingress | egress } ]\n"
" [ erspan_hwid hwid ]\n"
" [ external ]\n"
"\n"
"Where: ADDR := IPV6_ADDRESS\n"
" TTL := { 0..255 } (default=%d)\n"