bridge: Fix multicast_to_unicast feature by hairpin+isolate

[project/netifd.git] / wireless.c

diff --git a/wireless.c b/wireless.c
index 8bdfc4b..337f563 100644 (file)
--- a/wireless.c
+++ b/wireless.c
@@ -35,12 +35,14 @@ static const struct uci_blob_param_list wdev_param = {
 enum {
        VIF_ATTR_DISABLED,
        VIF_ATTR_NETWORK,
+       VIF_ATTR_ISOLATE,
        __VIF_ATTR_MAX,
 };
 
 static const struct blobmsg_policy vif_policy[__VIF_ATTR_MAX] = {
        [VIF_ATTR_DISABLED] = { .name = "disabled", .type = BLOBMSG_TYPE_BOOL },
        [VIF_ATTR_NETWORK] = { .name = "network", .type = BLOBMSG_TYPE_ARRAY },
+       [VIF_ATTR_ISOLATE] = { .name = "isolate", .type = BLOBMSG_TYPE_BOOL },
 };
 
 static const struct uci_blob_param_list vif_param = {
@@ -204,8 +206,10 @@ static void wireless_interface_handle_link(struct wireless_interface *vif, bool
 
        if (up) {
                struct device *dev = device_get(vif->ifname, 2);
-               if (dev)
+               if (dev) {
+                       dev->wireless_isolate = vif->isolate;
                        dev->wireless = true;
+               }
        }
 
        blobmsg_for_each_attr(cur, vif->network, rem) {
@@ -240,8 +244,14 @@ wireless_device_run_handler(struct wireless_device *wdev, bool up)
        int fds[2] = { -1, -1 };
 
        D(WIRELESS, "Wireless device '%s' run %s handler\n", wdev->name, action);
-       prepare_config(wdev, &b, up);
-       config = blobmsg_format_json(b.head, true);
+       if (!up && wdev->prev_config) {
+               config = blobmsg_format_json(wdev->prev_config, true);
+               free(wdev->prev_config);
+               wdev->prev_config = NULL;
+       } else {
+               prepare_config(wdev, &b, up);
+               config = blobmsg_format_json(b.head, true);
+       }
 
        argv[i++] = wdev->drv->script;
        argv[i++] = wdev->drv->name;
@@ -273,6 +283,8 @@ __wireless_device_set_up(struct wireless_device *wdev)
        if (wdev->state != IFS_DOWN || config_init)
                return;
 
+       free(wdev->prev_config);
+       wdev->prev_config = NULL;
        wdev->state = IFS_SETUP;
        wireless_device_run_handler(wdev, true);
 }
@@ -283,6 +295,7 @@ wireless_device_free(struct wireless_device *wdev)
        vlist_flush_all(&wdev->interfaces);
        avl_delete(&wireless_devices.avl, &wdev->node.avl);
        free(wdev->config);
+       free(wdev->prev_config);
        free(wdev);
 }
 
@@ -422,6 +435,16 @@ wdev_set_config_state(struct wireless_device *wdev, enum interface_config_state
 }
 
 static void
+wdev_prepare_prev_config(struct wireless_device *wdev)
+{
+       if (wdev->prev_config)
+               return;
+
+       prepare_config(wdev, &b, false);
+       wdev->prev_config = blob_memdup(b.head);
+}
+
+static void
 wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
 {
        struct blob_attr *new_config = wd_new->config;
@@ -429,6 +452,7 @@ wdev_change_config(struct wireless_device *wdev, struct wireless_device *wd_new)
 
        free(wd_new);
 
+       wdev_prepare_prev_config(wdev);
        if (blob_attr_equal(wdev->config, new_config) && wdev->disabled == disabled)
                return;
 
@@ -680,6 +704,12 @@ void wireless_interface_create(struct wireless_device *wdev, struct blob_attr *d
        vif->wdev = wdev;
        vif->config = data;
        vif->section = section;
+       vif->isolate = false;
+
+       cur = tb[VIF_ATTR_ISOLATE];
+       if (cur && blobmsg_get_bool(cur))
+               vif->isolate = blobmsg_get_bool(cur);
+
        vlist_add(&wdev->interfaces, &vif->node, vif->name);
 }