netifd: Support for configurable default packet steering behavior

[project/netifd.git] / device.c

diff --git a/device.c b/device.c
index 092c2d9..dd2823d 100644 (file)
--- a/device.c
+++ b/device.c
@@ -29,6 +29,7 @@
 #include "config.h"
 
 static struct avl_tree devices;
+static bool default_ps = true;
 
 static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
        [DEV_ATTR_TYPE] = { .name = "type", .type = BLOBMSG_TYPE_STRING },
@@ -244,15 +245,19 @@ device_init_settings(struct device *dev, struct blob_attr **tb)
                s->flags |= DEV_OPT_NEIGHREACHABLETIME;
        }
 
-       if ((cur = tb[DEV_ATTR_RPS]))
+       if ((cur = tb[DEV_ATTR_RPS])) {
                s->rps = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_RPS;
+       }
        else
-               s->rps = true;
+               s->rps = default_ps;
 
-       if ((cur = tb[DEV_ATTR_XPS]))
+       if ((cur = tb[DEV_ATTR_XPS])) {
                s->xps = blobmsg_get_bool(cur);
+               s->flags |= DEV_OPT_XPS;
+       }
        else
-               s->xps = true;
+               s->xps = default_ps;
 
        device_set_disabled(dev, disabled);
 }
@@ -370,8 +375,8 @@ int device_init(struct device *dev, const struct device_type *type, const char *
 
        system_if_clear_state(dev);
        device_check_state(dev);
-       dev->settings.rps = true;
-       dev->settings.xps = true;
+       dev->settings.rps = default_ps;
+       dev->settings.xps = default_ps;
 
        return 0;
 }
@@ -723,6 +728,41 @@ device_reset_old(void)
        }
 }
 
+void
+device_set_default_ps(bool state)
+{
+       struct device *dev;
+
+       if (state == default_ps)
+               return;
+
+       default_ps = state;
+
+       avl_for_each_element(&devices, dev, avl) {
+               struct device_settings *s = &dev->settings;
+               unsigned int apply_mask = 0;
+
+               if (!(s->flags & DEV_OPT_RPS)) {
+                       s->rps = default_ps;
+                       apply_mask |= DEV_OPT_RPS;
+               }
+
+               if (!(s->flags & DEV_OPT_XPS)) {
+                       s->xps = default_ps;
+                       apply_mask |= DEV_OPT_XPS;
+               }
+
+               if (!apply_mask)
+                       continue;
+
+               if (!(dev->external || (dev->present && dev->active)) ||
+                               dev->config_pending)
+                       continue;
+
+               system_if_apply_settings(dev, s, apply_mask);
+       }
+}
+
 struct device *
 device_create(const char *name, const struct device_type *type,
              struct blob_attr *config)
@@ -758,8 +798,10 @@ device_create(const char *name, const struct device_type *type,
        if (odev)
                device_replace(dev, odev);
 
-       if (!config_init && dev->config_pending)
+       if (!config_init && dev->config_pending) {
                type->config_init(dev);
+               dev->config_pending = false;
+       }
 
        return dev;
 }