From: Scott Feldman <redacted>

v2:

Resending now that the dust has cleared in 3.18 on "self" vs. hwmode debate for
brport settings.  learning_sync is now set/cleared using "self" qualifier on
brport.

v1:

Add 'learned_sync' flag to turn on/off syncing of learned MAC addresses from
offload device to bridge's FDB.   Flag is be set/cleared on offload device port
using "self" qualifier:

  $ sudo bridge link set dev swp1 learning_sync on self

  $ bridge -d link show dev swp1
  2: swp1 state UNKNOWN : <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 master br0 state forwarding priority 32 cost 2
      hairpin off guard off root_block off fastleave off learning off flood off
  2: swp1 state UNKNOWN : <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 master br0
      learning on learning_sync on

Adds new IFLA_BRPORT_LEARNED_SYNCED attribute for IFLA_PROTINFO on the SELF
brport.

Signed-off-by: Scott Feldman <redacted>
---
 bridge/link.c     |   12 ++++++++++++
 man/man8/bridge.8 |    6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/bridge/link.c b/bridge/link.c
index 3f77aab..c8555f8 100644
--- a/bridge/link.c
+++ b/bridge/link.c

@@ -188,6 +188,9 @@ int print_linkinfo(const struct sockaddr_nl *who,
                                if (prtb[IFLA_BRPORT_LEARNING])
                                        print_onoff(fp, "learning",
                                                    rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING]));
+                               if (prtb[IFLA_BRPORT_LEARNING_SYNC])
+                                       print_onoff(fp, "learning_sync",
+                                                   rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING_SYNC]));
                                if (prtb[IFLA_BRPORT_UNICAST_FLOOD])
                                        print_onoff(fp, "flood",
                                                    rta_getattr_u8(prtb[IFLA_BRPORT_UNICAST_FLOOD]));

@@ -221,6 +224,7 @@ static void usage(void)
        fprintf(stderr, "                               [ fastleave {on | off} ]\n");
        fprintf(stderr, "                               [ root_block {on | off} ]\n");
        fprintf(stderr, "                               [ learning {on | off} ]\n");
+       fprintf(stderr, "                               [ learning_sync {on | off} ]\n");
        fprintf(stderr, "                               [ flood {on | off} ]\n");
        fprintf(stderr, "                               [ hwmode {vepa | veb} ]\n");
        fprintf(stderr, "       bridge link show [dev DEV]\n");

@@ -252,6 +256,7 @@ static int brlink_modify(int argc, char **argv)
        } req;
        char *d = NULL;
        __s8 learning = -1;
+       __s8 learning_sync = -1;
        __s8 flood = -1;
        __s8 hairpin = -1;
        __s8 bpdu_guard = -1;

@@ -295,6 +300,10 @@ static int brlink_modify(int argc, char **argv)
                        NEXT_ARG();
                        if (!on_off("learning", &learning, *argv))
                                exit(-1);
+               } else if (strcmp(*argv, "learning_sync") == 0) {
+                       NEXT_ARG();
+                       if (!on_off("learning_sync", &learning_sync, *argv))
+                               exit(-1);
                } else if (strcmp(*argv, "flood") == 0) {
                        NEXT_ARG();
                        if (!on_off("flood", &flood, *argv))

@@ -359,6 +368,9 @@ static int brlink_modify(int argc, char **argv)
                addattr8(&req.n, sizeof(req), IFLA_BRPORT_UNICAST_FLOOD, flood);
        if (learning >= 0)
                addattr8(&req.n, sizeof(req), IFLA_BRPORT_LEARNING, learning);
+       if (learning_sync >= 0)
+               addattr8(&req.n, sizeof(req), IFLA_BRPORT_LEARNING_SYNC,
+                        learning_sync);

        if (cost > 0)
                addattr32(&req.n, sizeof(req), IFLA_BRPORT_COST, cost);

diff --git a/man/man8/bridge.8 b/man/man8/bridge.8
index cb3fb46..e344db2 100644
--- a/man/man8/bridge.8
+++ b/man/man8/bridge.8

@@ -38,6 +38,7 @@ bridge \- show / manipulate bridge addresses and devices
 .BR fastleave " { " on " | " off " } ] [ "
 .BR root_block " { " on " | " off " } ] [ "
 .BR learning " { " on " | " off " } ] [ "
+.BR learning_sync " { " on " | " off " } ] [ "
 .BR flood " { " on " | " off " } ] [ "
 .BR hwmode " { " vepa " | " veb " } ] "

@@ -263,6 +264,11 @@ not.  If learning if off, the bridge will end up flooding any traffic for which
 it has no FDB entry.  By default this flag is on.

 .TP
+.BR "learning_sync on " or " learning_sync off "
+Controls whether a given port will sync MAC addresses learned on device port to
+bridge FDB.
+
+.TP
 .BR "flooding on " or " flooding off "
 Controls whether a given port will flood unicast traffic for which there is no FDB entry.  By default this flag is on.

--

1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html