Add support for the new sticky flag that can be set on fdbs and update the
man page.

CC: David Ahern <[email protected]>
Signed-off-by: Nikolay Aleksandrov <[email protected]>
---
 bridge/fdb.c      | 9 +++++++--
 man/man8/bridge.8 | 6 +++++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/bridge/fdb.c b/bridge/fdb.c
index 4dbc894ceab9..828fdab264cb 100644
--- a/bridge/fdb.c
+++ b/bridge/fdb.c
@@ -37,8 +37,8 @@ static void usage(void)
        fprintf(stderr,
                "Usage: bridge fdb { add | append | del | replace } ADDR dev 
DEV\n"
                "              [ self ] [ master ] [ use ] [ router ] [ 
extern_learn ]\n"
-               "              [ local | static | dynamic ] [ dst IPADDR ] [ 
vlan VID ]\n"
-               "              [ port PORT] [ vni VNI ] [ via DEV ]\n"
+               "              [ sticky ] [ local | static | dynamic ] [ dst 
IPADDR ]\n"
+               "              [ vlan VID ] [ port PORT] [ vni VNI ] [ via DEV 
]\n"
                "       bridge fdb [ show [ br BRDEV ] [ brport DEV ] [ vlan 
VID ] [ state STATE ] ]\n");
        exit(-1);
 }
@@ -101,6 +101,9 @@ static void fdb_print_flags(FILE *fp, unsigned int flags)
        if (flags & NTF_MASTER)
                print_string(PRINT_ANY, NULL, "%s ", "master");
 
+       if (flags & NTF_STICKY)
+               print_string(PRINT_ANY, NULL, "%s ", "sticky");
+
        close_json_array(PRINT_JSON, NULL);
 }
 
@@ -414,6 +417,8 @@ static int fdb_modify(int cmd, int flags, int argc, char 
**argv)
                        req.ndm.ndm_flags |= NTF_USE;
                } else if (matches(*argv, "extern_learn") == 0) {
                        req.ndm.ndm_flags |= NTF_EXT_LEARNED;
+               } else if (matches(*argv, "sticky") == 0) {
+                       req.ndm.ndm_flags |= NTF_STICKY;
                } else {
                        if (strcmp(*argv, "to") == 0)
                                NEXT_ARG();
diff --git a/man/man8/bridge.8 b/man/man8/bridge.8
index 53cd3d0a3d93..c0415bc646df 100644
--- a/man/man8/bridge.8
+++ b/man/man8/bridge.8
@@ -63,7 +63,7 @@ bridge \- show / manipulate bridge addresses and devices
 .B dev
 .IR DEV " { "
 .BR local " | " static " | " dynamic " } [ "
-.BR self " ] [ " master " ] [ " router " ] [ " use " ] [ " extern_learn " ] [ "
+.BR self " ] [ " master " ] [ " router " ] [ " use " ] [ " extern_learn " ] [ 
" sticky " ] [ "
 .B dst
 .IR IPADDR " ] [ "
 .B vni
@@ -448,6 +448,10 @@ indicate to the kernel that an entry was hardware or 
user-space
 controller learnt dynamic entry. Kernel will not age such an entry.
 .sp
 
+.B sticky
+- this entry will not change its port due to learning.
+.sp
+
 .in -8
 The next command line parameters apply only
 when the specified device
-- 
2.11.0

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