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Index: sys/netgraph/ng_bridge.h
===================================================================
--- sys/netgraph/ng_bridge.h
+++ sys/netgraph/ng_bridge.h
@@ -190,6 +190,16 @@
};
#endif /* NGM_BRIDGE_TABLE_ABI */
+struct ng_bridge_move_host {
+ u_char addr[6]; /* ethernet address */
+ char hook[NG_HOOKSIZ]; /* link where addr can be found */
+};
+/* Keep this in sync with the above structure definition */
+#define NG_BRIDGE_MOVE_HOST_TYPE_INFO(entype) { \
+ { "addr", (entype) }, \
+ { "hook", &ng_parse_hookbuf_type }, \
+}
+
/* Netgraph control messages */
enum {
NGM_BRIDGE_SET_CONFIG = 1, /* set node configuration */
@@ -200,6 +210,7 @@
NGM_BRIDGE_GETCLR_STATS, /* atomically get & clear link stats */
NGM_BRIDGE_GET_TABLE, /* get link table */
NGM_BRIDGE_SET_PERSISTENT, /* set persistent mode */
+ NGM_BRIDGE_MOVE_HOST, /* move a host to a link */
};
#endif /* _NETGRAPH_NG_BRIDGE_H_ */
Index: sys/netgraph/ng_bridge.c
===================================================================
--- sys/netgraph/ng_bridge.c
+++ sys/netgraph/ng_bridge.c
@@ -229,6 +229,13 @@
&ng_parse_struct_type,
&ng_bridge_stats_type_fields
};
+/* Parse type for struct ng_bridge_move_host */
+static const struct ng_parse_struct_field ng_bridge_move_host_type_fields[]
+ = NG_BRIDGE_MOVE_HOST_TYPE_INFO(&ng_parse_enaddr_type);
+static const struct ng_parse_type ng_bridge_move_host_type = {
+ &ng_parse_struct_type,
+ &ng_bridge_move_host_type_fields
+};
/* List of commands and how to convert arguments to/from ASCII */
static const struct ng_cmdlist ng_bridge_cmdlist[] = {
@@ -288,6 +295,13 @@
NULL,
NULL
},
+ {
+ NGM_BRIDGE_COOKIE,
+ NGM_BRIDGE_MOVE_HOST,
+ "movehost",
+ &ng_bridge_move_host_type,
+ NULL
+ },
{ 0 }
};
@@ -665,6 +679,26 @@
priv->persistent = 1;
break;
}
+ case NGM_BRIDGE_MOVE_HOST:
+ {
+ struct ng_bridge_move_host *mh;
+ hook_p hook;
+
+ if (msg->header.arglen < sizeof(*mh)) {
+ error = EINVAL;
+ break;
+ }
+ mh = (struct ng_bridge_move_host *)msg->data;
+ hook = (mh->hook[0] == 0)
+ ? lasthook
+ : ng_findhook(node, mh->hook);
+ if (hook == NULL) {
+ error = EINVAL;
+ break;
+ }
+ ng_bridge_put(priv, mh->addr, NG_HOOK_PRIVATE(hook));
+ break;
+ }
default:
error = EINVAL;
break;
@@ -849,12 +883,26 @@
host->age = 0;
}
} else if (ctx.incoming->learnMac) {
- if (!ng_bridge_put(priv, eh->ether_shost, ctx.incoming)) {
+ struct ng_mesg *msg;
+ struct ng_bridge_move_host *mh;
+ int error = 0;
+
+ NG_MKMESSAGE(msg, NGM_BRIDGE_COOKIE, NGM_BRIDGE_MOVE_HOST,
+ sizeof(*mh), M_NOWAIT);
+ if (msg == NULL) {
counter_u64_add(ctx.incoming->stats.memoryFailures, 1);
NG_FREE_ITEM(item);
NG_FREE_M(ctx.m);
return (ENOMEM);
}
+ mh = (struct ng_bridge_move_host *)msg->data;
+ strncpy(mh->hook, NG_HOOK_NAME(ctx.incoming->hook),
+ sizeof(mh->hook));
+ memcpy(mh->addr, eh->ether_shost, sizeof(mh->addr));
+ NG_SEND_MSG_ID(error, node, msg, NG_NODE_ID(node),
+ NG_NODE_ID(node));
+ if (error)
+ counter_u64_add(ctx.incoming->stats.memoryFailures, 1);
}
/* Run packet through ipfw processing, if enabled */

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