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bridge: fdb: add flush [no]sticky entry matching

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Add flush support to match entries with or without (if "no" is
prepended) sticky flag.

Examples:
$ bridge fdb flush dev br0 sticky
This will delete all sticky entries in br0's fdb table.

$ bridge fdb flush dev br0 nosticky
This will delete all entries except the ones with sticky flag in
br0's fdb table.

Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David Ahern <dsahern@kernel.org>
This commit is contained in:
Nikolay Aleksandrov 2022-06-08 15:29:20 +03:00 committed by David Ahern
parent b780364688
commit 259795676e
2 changed files with 14 additions and 2 deletions
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8
bridge/fdb.c
View File

@ -47,7 +47,7 @@ static void usage(void)
" [ vlan VID ] [ vni VNI ] [ self ] [ master ] [ dynamic ]\n"
" bridge fdb flush dev DEV [ brport DEV ] [ vlan VID ]\n"
" [ self ] [ master ] [ [no]permanent | [no]static | [no]dynamic ]\n"
" [ [no]added_by_user ] [ [no]extern_learn ]\n");
" [ [no]added_by_user ] [ [no]extern_learn ] [ [no]sticky ]\n");
exit(-1);
}
@ -726,6 +726,12 @@ static int fdb_flush(int argc, char **argv)
} else if (strcmp(*argv, "noextern_learn") == 0) {
ndm_flags &= ~NTF_EXT_LEARNED;
ndm_flags_mask |= NTF_EXT_LEARNED;
} else if (strcmp(*argv, "sticky") == 0) {
ndm_flags |= NTF_STICKY;
ndm_flags_mask |= NTF_STICKY;
} else if (strcmp(*argv, "nosticky") == 0) {
ndm_flags &= ~NTF_STICKY;
ndm_flags_mask |= NTF_STICKY;
} else if (strcmp(*argv, "brport") == 0) {
if (port)
duparg2("brport", *argv);

8
man/man8/bridge.8
View File

@ -122,7 +122,8 @@ bridge \- show / manipulate bridge addresses and devices
.IR VID " ] [ "
.BR self " ] [ " master " ] [ "
.BR [no]permanent " | " [no]static " | " [no]dynamic " ] [ "
.BR [no]added_by_user " ] [ " [no]extern_learn " ]"
.BR [no]added_by_user " ] [ " [no]extern_learn " ] [ "
.BR [no]sticky " ]"
.ti -8
.BR "bridge mdb" " { " add " | " del " } "
@ -854,6 +855,11 @@ if "no" is prepended then only entries without added_by_user flag will be delete
.B [no]extern_learn
if specified then only entries with extern_learn flag will be deleted or respectively
if "no" is prepended then only entries without extern_learn flag will be deleted.
.TP
.B [no]sticky
if specified then only entries with sticky flag will be deleted or respectively
if "no" is prepended then only entries without sticky flag will be deleted.
.sp
.SH bridge mdb - multicast group database management