* @dev_addr_shadow: Copy of @dev_addr to catch direct writes.
* @linkwatch_dev_tracker: refcount tracker used by linkwatch.
* @watchdog_dev_tracker: refcount tracker used by watchdog.
+ * @dev_registered_tracker: tracker for reference held while
+ * registered
+ * @offload_xstats_l3: L3 HW stats for this netdevice.
*
* FIXME: cleanup struct net_device such that network protocol info
* moves out.
#if IS_ENABLED(CONFIG_MRP)
struct mrp_port __rcu *mrp_port;
#endif
-
+#if IS_ENABLED(CONFIG_NET_DROP_MONITOR)
+ struct dm_hw_stat_delta __rcu *dm_private;
+#endif
struct device dev;
const struct attribute_group *sysfs_groups[4];
const struct attribute_group *sysfs_rx_queue_group;
u8 dev_addr_shadow[MAX_ADDR_LEN];
netdevice_tracker linkwatch_dev_tracker;
netdevice_tracker watchdog_dev_tracker;
+ netdevice_tracker dev_registered_tracker;
+ struct rtnl_hw_stats64 *offload_xstats_l3;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
NETDEV_CVLAN_FILTER_DROP_INFO,
NETDEV_SVLAN_FILTER_PUSH_INFO,
NETDEV_SVLAN_FILTER_DROP_INFO,
+ NETDEV_OFFLOAD_XSTATS_ENABLE,
+ NETDEV_OFFLOAD_XSTATS_DISABLE,
+ NETDEV_OFFLOAD_XSTATS_REPORT_USED,
+ NETDEV_OFFLOAD_XSTATS_REPORT_DELTA,
};
const char *netdev_cmd_to_name(enum netdev_cmd cmd);
const unsigned char *dev_addr;
};
+enum netdev_offload_xstats_type {
+ NETDEV_OFFLOAD_XSTATS_TYPE_L3 = 1,
+};
+
+struct netdev_notifier_offload_xstats_info {
+ struct netdev_notifier_info info; /* must be first */
+ enum netdev_offload_xstats_type type;
+
+ union {
+ /* NETDEV_OFFLOAD_XSTATS_REPORT_DELTA */
+ struct netdev_notifier_offload_xstats_rd *report_delta;
+ /* NETDEV_OFFLOAD_XSTATS_REPORT_USED */
+ struct netdev_notifier_offload_xstats_ru *report_used;
+ };
+};
+
+int netdev_offload_xstats_enable(struct net_device *dev,
+ enum netdev_offload_xstats_type type,
+ struct netlink_ext_ack *extack);
+int netdev_offload_xstats_disable(struct net_device *dev,
+ enum netdev_offload_xstats_type type);
+bool netdev_offload_xstats_enabled(const struct net_device *dev,
+ enum netdev_offload_xstats_type type);
+int netdev_offload_xstats_get(struct net_device *dev,
+ enum netdev_offload_xstats_type type,
+ struct rtnl_hw_stats64 *stats, bool *used,
+ struct netlink_ext_ack *extack);
+void
+netdev_offload_xstats_report_delta(struct netdev_notifier_offload_xstats_rd *rd,
+ const struct rtnl_hw_stats64 *stats);
+void
+netdev_offload_xstats_report_used(struct netdev_notifier_offload_xstats_ru *ru);
+void netdev_offload_xstats_push_delta(struct net_device *dev,
+ enum netdev_offload_xstats_type type,
+ const struct rtnl_hw_stats64 *stats);
+
static inline void netdev_notifier_info_init(struct netdev_notifier_info *info,
struct net_device *dev)
{
void generic_xdp_tx(struct sk_buff *skb, struct bpf_prog *xdp_prog);
int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff *skb);
int netif_rx(struct sk_buff *skb);
-int netif_rx_ni(struct sk_buff *skb);
-int netif_rx_any_context(struct sk_buff *skb);
+int __netif_rx(struct sk_buff *skb);
+
int netif_receive_skb(struct sk_buff *skb);
int netif_receive_skb_core(struct sk_buff *skb);
void netif_receive_skb_list_internal(struct list_head *head);
/* Called by rtnetlink.c:rtnl_unlock() */
void netdev_run_todo(void);
-/**
- * dev_put - release reference to device
- * @dev: network device
- *
- * Release reference to device to allow it to be freed.
- * Try using dev_put_track() instead.
- */
-static inline void dev_put(struct net_device *dev)
+static inline void __dev_put(struct net_device *dev)
{
if (dev) {
#ifdef CONFIG_PCPU_DEV_REFCNT
}
}
-/**
- * dev_hold - get reference to device
- * @dev: network device
- *
- * Hold reference to device to keep it from being freed.
- * Try using dev_hold_track() instead.
- */
-static inline void dev_hold(struct net_device *dev)
+static inline void __dev_hold(struct net_device *dev)
{
if (dev) {
#ifdef CONFIG_PCPU_DEV_REFCNT
}
}
+static inline void __netdev_tracker_alloc(struct net_device *dev,
+ netdevice_tracker *tracker,
+ gfp_t gfp)
+{
+#ifdef CONFIG_NET_DEV_REFCNT_TRACKER
+ ref_tracker_alloc(&dev->refcnt_tracker, tracker, gfp);
+#endif
+}
+
+/* netdev_tracker_alloc() can upgrade a prior untracked reference
+ * taken by dev_get_by_name()/dev_get_by_index() to a tracked one.
+ */
static inline void netdev_tracker_alloc(struct net_device *dev,
netdevice_tracker *tracker, gfp_t gfp)
{
#ifdef CONFIG_NET_DEV_REFCNT_TRACKER
- ref_tracker_alloc(&dev->refcnt_tracker, tracker, gfp);
+ refcount_dec(&dev->refcnt_tracker.no_tracker);
+ __netdev_tracker_alloc(dev, tracker, gfp);
#endif
}
netdevice_tracker *tracker, gfp_t gfp)
{
if (dev) {
- dev_hold(dev);
- netdev_tracker_alloc(dev, tracker, gfp);
+ __dev_hold(dev);
+ __netdev_tracker_alloc(dev, tracker, gfp);
}
}
{
if (dev) {
netdev_tracker_free(dev, tracker);
- dev_put(dev);
+ __dev_put(dev);
}
}
+/**
+ * dev_hold - get reference to device
+ * @dev: network device
+ *
+ * Hold reference to device to keep it from being freed.
+ * Try using dev_hold_track() instead.
+ */
+static inline void dev_hold(struct net_device *dev)
+{
+ dev_hold_track(dev, NULL, GFP_ATOMIC);
+}
+
+/**
+ * dev_put - release reference to device
+ * @dev: network device
+ *
+ * Release reference to device to allow it to be freed.
+ * Try using dev_put_track() instead.
+ */
+static inline void dev_put(struct net_device *dev)
+{
+ dev_put_track(dev, NULL);
+}
+
static inline void dev_replace_track(struct net_device *odev,
struct net_device *ndev,
netdevice_tracker *tracker,
if (odev)
netdev_tracker_free(odev, tracker);
- dev_hold(ndev);
- dev_put(odev);
+ __dev_hold(ndev);
+ __dev_put(odev);
if (ndev)
- netdev_tracker_alloc(ndev, tracker, gfp);
+ __netdev_tracker_alloc(ndev, tracker, gfp);
}
/* Carrier loss detection, dial on demand. The functions netif_carrier_on
projects / linux-2.6-microblaze.git / blobdiff