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Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h103
1 files changed, 64 insertions, 39 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index eddf8ee270e7..aad12a179e54 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -78,6 +78,7 @@ struct xdp_buff;
void synchronize_net(void);
void netdev_set_default_ethtool_ops(struct net_device *dev,
const struct ethtool_ops *ops);
+void netdev_sw_irq_coalesce_default_on(struct net_device *dev);
/* Backlog congestion levels */
#define NET_RX_SUCCESS 0 /* keep 'em coming, baby */
@@ -171,31 +172,38 @@ static inline bool dev_xmit_complete(int rc)
* (unsigned long) so they can be read and written atomically.
*/
+#define NET_DEV_STAT(FIELD) \
+ union { \
+ unsigned long FIELD; \
+ atomic_long_t __##FIELD; \
+ }
+
struct net_device_stats {
- unsigned long rx_packets;
- unsigned long tx_packets;
- unsigned long rx_bytes;
- unsigned long tx_bytes;
- unsigned long rx_errors;
- unsigned long tx_errors;
- unsigned long rx_dropped;
- unsigned long tx_dropped;
- unsigned long multicast;
- unsigned long collisions;
- unsigned long rx_length_errors;
- unsigned long rx_over_errors;
- unsigned long rx_crc_errors;
- unsigned long rx_frame_errors;
- unsigned long rx_fifo_errors;
- unsigned long rx_missed_errors;
- unsigned long tx_aborted_errors;
- unsigned long tx_carrier_errors;
- unsigned long tx_fifo_errors;
- unsigned long tx_heartbeat_errors;
- unsigned long tx_window_errors;
- unsigned long rx_compressed;
- unsigned long tx_compressed;
+ NET_DEV_STAT(rx_packets);
+ NET_DEV_STAT(tx_packets);
+ NET_DEV_STAT(rx_bytes);
+ NET_DEV_STAT(tx_bytes);
+ NET_DEV_STAT(rx_errors);
+ NET_DEV_STAT(tx_errors);
+ NET_DEV_STAT(rx_dropped);
+ NET_DEV_STAT(tx_dropped);
+ NET_DEV_STAT(multicast);
+ NET_DEV_STAT(collisions);
+ NET_DEV_STAT(rx_length_errors);
+ NET_DEV_STAT(rx_over_errors);
+ NET_DEV_STAT(rx_crc_errors);
+ NET_DEV_STAT(rx_frame_errors);
+ NET_DEV_STAT(rx_fifo_errors);
+ NET_DEV_STAT(rx_missed_errors);
+ NET_DEV_STAT(tx_aborted_errors);
+ NET_DEV_STAT(tx_carrier_errors);
+ NET_DEV_STAT(tx_fifo_errors);
+ NET_DEV_STAT(tx_heartbeat_errors);
+ NET_DEV_STAT(tx_window_errors);
+ NET_DEV_STAT(rx_compressed);
+ NET_DEV_STAT(tx_compressed);
};
+#undef NET_DEV_STAT
/* per-cpu stats, allocated on demand.
* Try to fit them in a single cache line, for dev_get_stats() sake.
@@ -1033,6 +1041,10 @@ struct xfrmdev_ops {
bool (*xdo_dev_offload_ok) (struct sk_buff *skb,
struct xfrm_state *x);
void (*xdo_dev_state_advance_esn) (struct xfrm_state *x);
+ void (*xdo_dev_state_update_curlft) (struct xfrm_state *x);
+ int (*xdo_dev_policy_add) (struct xfrm_policy *x);
+ void (*xdo_dev_policy_delete) (struct xfrm_policy *x);
+ void (*xdo_dev_policy_free) (struct xfrm_policy *x);
};
#endif
@@ -1366,10 +1378,6 @@ struct netdev_net_notifier {
* queue id bound to an AF_XDP socket. The flags field specifies if
* only RX, only Tx, or both should be woken up using the flags
* XDP_WAKEUP_RX and XDP_WAKEUP_TX.
- * struct devlink_port *(*ndo_get_devlink_port)(struct net_device *dev);
- * Get devlink port instance associated with a given netdev.
- * Called with a reference on the netdevice and devlink locks only,
- * rtnl_lock is not held.
* int (*ndo_tunnel_ctl)(struct net_device *dev, struct ip_tunnel_parm *p,
* int cmd);
* Add, change, delete or get information on an IPv4 tunnel.
@@ -1600,7 +1608,6 @@ struct net_device_ops {
struct xdp_buff *xdp);
int (*ndo_xsk_wakeup)(struct net_device *dev,
u32 queue_id, u32 flags);
- struct devlink_port * (*ndo_get_devlink_port)(struct net_device *dev);
int (*ndo_tunnel_ctl)(struct net_device *dev,
struct ip_tunnel_parm *p, int cmd);
struct net_device * (*ndo_get_peer_dev)(struct net_device *dev);
@@ -1655,7 +1662,7 @@ struct net_device_ops {
* @IFF_FAILOVER: device is a failover master device
* @IFF_FAILOVER_SLAVE: device is lower dev of a failover master device
* @IFF_L3MDEV_RX_HANDLER: only invoke the rx handler of L3 master device
- * @IFF_LIVE_RENAME_OK: rename is allowed while device is up and running
+ * @IFF_NO_ADDRCONF: prevent ipv6 addrconf
* @IFF_TX_SKB_NO_LINEAR: device/driver is capable of xmitting frames with
* skb_headlen(skb) == 0 (data starts from frag0)
* @IFF_CHANGE_PROTO_DOWN: device supports setting carrier via IFLA_PROTO_DOWN
@@ -1691,7 +1698,7 @@ enum netdev_priv_flags {
IFF_FAILOVER = 1<<27,
IFF_FAILOVER_SLAVE = 1<<28,
IFF_L3MDEV_RX_HANDLER = 1<<29,
- IFF_LIVE_RENAME_OK = 1<<30,
+ IFF_NO_ADDRCONF = BIT_ULL(30),
IFF_TX_SKB_NO_LINEAR = BIT_ULL(31),
IFF_CHANGE_PROTO_DOWN = BIT_ULL(32),
};
@@ -1726,7 +1733,6 @@ enum netdev_priv_flags {
#define IFF_FAILOVER IFF_FAILOVER
#define IFF_FAILOVER_SLAVE IFF_FAILOVER_SLAVE
#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
-#define IFF_LIVE_RENAME_OK IFF_LIVE_RENAME_OK
#define IFF_TX_SKB_NO_LINEAR IFF_TX_SKB_NO_LINEAR
/* Specifies the type of the struct net_device::ml_priv pointer */
@@ -1999,6 +2005,11 @@ enum netdev_ml_priv_type {
* registered
* @offload_xstats_l3: L3 HW stats for this netdevice.
*
+ * @devlink_port: Pointer to related devlink port structure.
+ * Assigned by a driver before netdev registration using
+ * SET_NETDEV_DEVLINK_PORT macro. This pointer is static
+ * during the time netdevice is registered.
+ *
* FIXME: cleanup struct net_device such that network protocol info
* moves out.
*/
@@ -2349,9 +2360,22 @@ struct net_device {
netdevice_tracker watchdog_dev_tracker;
netdevice_tracker dev_registered_tracker;
struct rtnl_hw_stats64 *offload_xstats_l3;
+
+ struct devlink_port *devlink_port;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
+/*
+ * Driver should use this to assign devlink port instance to a netdevice
+ * before it registers the netdevice. Therefore devlink_port is static
+ * during the netdev lifetime after it is registered.
+ */
+#define SET_NETDEV_DEVLINK_PORT(dev, port) \
+({ \
+ WARN_ON((dev)->reg_state != NETREG_UNINITIALIZED); \
+ ((dev)->devlink_port = (port)); \
+})
+
static inline bool netif_elide_gro(const struct net_device *dev)
{
if (!(dev->features & NETIF_F_GRO) || dev->xdp_prog)
@@ -2785,6 +2809,7 @@ enum netdev_cmd {
NETDEV_PRE_TYPE_CHANGE,
NETDEV_POST_TYPE_CHANGE,
NETDEV_POST_INIT,
+ NETDEV_PRE_UNINIT,
NETDEV_RELEASE,
NETDEV_NOTIFY_PEERS,
NETDEV_JOIN,
@@ -2814,6 +2839,8 @@ int unregister_netdevice_notifier(struct notifier_block *nb);
int register_netdevice_notifier_net(struct net *net, struct notifier_block *nb);
int unregister_netdevice_notifier_net(struct net *net,
struct notifier_block *nb);
+void move_netdevice_notifier_net(struct net *src_net, struct net *dst_net,
+ struct notifier_block *nb);
int register_netdevice_notifier_dev_net(struct net_device *dev,
struct notifier_block *nb,
struct netdev_net_notifier *nn);
@@ -3114,7 +3141,6 @@ struct softnet_data {
/* stats */
unsigned int processed;
unsigned int time_squeeze;
- unsigned int received_rps;
#ifdef CONFIG_RPS
struct softnet_data *rps_ipi_list;
#endif
@@ -3147,6 +3173,7 @@ struct softnet_data {
unsigned int cpu;
unsigned int input_queue_tail;
#endif
+ unsigned int received_rps;
unsigned int dropped;
struct sk_buff_head input_pkt_queue;
struct napi_struct backlog;
@@ -3855,8 +3882,6 @@ int __dev_change_flags(struct net_device *dev, unsigned int flags,
struct netlink_ext_ack *extack);
int dev_change_flags(struct net_device *dev, unsigned int flags,
struct netlink_ext_ack *extack);
-void __dev_notify_flags(struct net_device *, unsigned int old_flags,
- unsigned int gchanges);
int dev_set_alias(struct net_device *, const char *, size_t);
int dev_get_alias(const struct net_device *, char *, size_t);
int __dev_change_net_namespace(struct net_device *dev, struct net *net,
@@ -5101,11 +5126,6 @@ static inline const char *netdev_name(const struct net_device *dev)
return dev->name;
}
-static inline bool netdev_unregistering(const struct net_device *dev)
-{
- return dev->reg_state == NETREG_UNREGISTERING;
-}
-
static inline const char *netdev_reg_state(const struct net_device *dev)
{
switch (dev->reg_state) {
@@ -5164,4 +5184,9 @@ extern struct list_head ptype_base[PTYPE_HASH_SIZE] __read_mostly;
extern struct net_device *blackhole_netdev;
+/* Note: Avoid these macros in fast path, prefer per-cpu or per-queue counters. */
+#define DEV_STATS_INC(DEV, FIELD) atomic_long_inc(&(DEV)->stats.__##FIELD)
+#define DEV_STATS_ADD(DEV, FIELD, VAL) \
+ atomic_long_add((VAL), &(DEV)->stats.__##FIELD)
+
#endif /* _LINUX_NETDEVICE_H */