unsigned short type, const void *daddr,
const void *saddr, unsigned int len);
int (*parse)(const struct sk_buff *skb, unsigned char *haddr);
- int (*rebuild)(struct sk_buff *skb);
int (*cache)(const struct neighbour *neigh, struct hh_cache *hh, __be16 type);
void (*cache_update)(struct hh_cache *hh,
const struct net_device *dev,
#ifdef CONFIG_BQL
struct dql dql;
#endif
+ unsigned long tx_maxrate;
} ____cacheline_aligned_in_smp;
static inline int netdev_queue_numa_node_read(const struct netdev_queue *q)
* netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb,
* struct net_device *dev);
* Called when a packet needs to be transmitted.
- * Must return NETDEV_TX_OK , NETDEV_TX_BUSY.
+ * Returns NETDEV_TX_OK. Can return NETDEV_TX_BUSY, but you should stop
+ * the queue before that can happen; it's for obsolete devices and weird
+ * corner cases, but the stack really does a non-trivial amount
+ * of useless work if you return NETDEV_TX_BUSY.
* (can also return NETDEV_TX_LOCKED iff NETIF_F_LLTX)
* Required can not be NULL.
*
* int (*ndo_set_vf_link_state)(struct net_device *dev, int vf, int link_state);
* int (*ndo_set_vf_port)(struct net_device *dev, int vf,
* struct nlattr *port[]);
+ *
+ * Enable or disable the VF ability to query its RSS Redirection Table and
+ * Hash Key. This is needed since on some devices VF share this information
+ * with PF and querying it may adduce a theoretical security risk.
+ * int (*ndo_set_vf_rss_query_en)(struct net_device *dev, int vf, bool setting);
* int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb);
* int (*ndo_setup_tc)(struct net_device *dev, u8 tc)
* Called to setup 'tc' number of traffic classes in the net device. This
* be otherwise expressed by feature flags. The check is called with
* the set of features that the stack has calculated and it returns
* those the driver believes to be appropriate.
- *
- * int (*ndo_switch_parent_id_get)(struct net_device *dev,
- * struct netdev_phys_item_id *psid);
- * Called to get an ID of the switch chip this port is part of.
- * If driver implements this, it indicates that it represents a port
- * of a switch chip.
- * int (*ndo_switch_port_stp_update)(struct net_device *dev, u8 state);
- * Called to notify switch device port of bridge port STP
- * state change.
+ * int (*ndo_set_tx_maxrate)(struct net_device *dev,
+ * int queue_index, u32 maxrate);
+ * Called when a user wants to set a max-rate limitation of specific
+ * TX queue.
+ * int (*ndo_get_iflink)(const struct net_device *dev);
+ * Called to get the iflink value of this device.
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
struct nlattr *port[]);
int (*ndo_get_vf_port)(struct net_device *dev,
int vf, struct sk_buff *skb);
+ int (*ndo_set_vf_rss_query_en)(
+ struct net_device *dev,
+ int vf, bool setting);
int (*ndo_setup_tc)(struct net_device *dev, u8 tc);
#if IS_ENABLED(CONFIG_FCOE)
int (*ndo_fcoe_enable)(struct net_device *dev);
bool new_carrier);
int (*ndo_get_phys_port_id)(struct net_device *dev,
struct netdev_phys_item_id *ppid);
+ int (*ndo_get_phys_port_name)(struct net_device *dev,
+ char *name, size_t len);
void (*ndo_add_vxlan_port)(struct net_device *dev,
sa_family_t sa_family,
__be16 port);
netdev_features_t (*ndo_features_check) (struct sk_buff *skb,
struct net_device *dev,
netdev_features_t features);
-#ifdef CONFIG_NET_SWITCHDEV
- int (*ndo_switch_parent_id_get)(struct net_device *dev,
- struct netdev_phys_item_id *psid);
- int (*ndo_switch_port_stp_update)(struct net_device *dev,
- u8 state);
-#endif
+ int (*ndo_set_tx_maxrate)(struct net_device *dev,
+ int queue_index,
+ u32 maxrate);
+ int (*ndo_get_iflink)(const struct net_device *dev);
};
/**
* @base_addr: Device I/O address
* @irq: Device IRQ number
*
+ * @carrier_changes: Stats to monitor carrier on<->off transitions
+ *
* @state: Generic network queuing layer state, see netdev_state_t
* @dev_list: The global list of network devices
* @napi_list: List entry, that is used for polling napi devices
* @mpls_features: Mask of features inheritable by MPLS
*
* @ifindex: interface index
- * @iflink: unique device identifier
+ * @group: The group, that the device belongs to
*
* @stats: Statistics struct, which was left as a legacy, use
* rtnl_link_stats64 instead
* @tx_dropped: Dropped packets by core network,
* do not use this in drivers
*
- * @carrier_changes: Stats to monitor carrier on<->off transitions
- *
* @wireless_handlers: List of functions to handle Wireless Extensions,
* instead of ioctl,
* see <net/iw_handler.h> for details.
* @netdev_ops: Includes several pointers to callbacks,
* if one wants to override the ndo_*() functions
* @ethtool_ops: Management operations
- * @fwd_ops: Management operations
- * @header_ops: Includes callbacks for creating,parsing,rebuilding,etc
+ * @header_ops: Includes callbacks for creating,parsing,caching,etc
* of Layer 2 headers.
*
* @flags: Interface flags (a la BSD)
* @dev_port: Used to differentiate devices that share
* the same function
* @addr_list_lock: XXX: need comments on this one
- * @uc: unicast mac addresses
- * @mc: multicast mac addresses
- * @dev_addrs: list of device hw addresses
- * @queues_kset: Group of all Kobjects in the Tx and RX queues
* @uc_promisc: Counter, that indicates, that promiscuous mode
* has been enabled due to the need to listen to
* additional unicast addresses in a device that
* does not implement ndo_set_rx_mode()
+ * @uc: unicast mac addresses
+ * @mc: multicast mac addresses
+ * @dev_addrs: list of device hw addresses
+ * @queues_kset: Group of all Kobjects in the Tx and RX queues
* @promiscuity: Number of times, the NIC is told to work in
* Promiscuous mode, if it becomes 0 the NIC will
* exit from working in Promiscuous mode
* @ingress_queue: XXX: need comments on this one
* @broadcast: hw bcast address
*
+ * @rx_cpu_rmap: CPU reverse-mapping for RX completion interrupts,
+ * indexed by RX queue number. Assigned by driver.
+ * This must only be set if the ndo_rx_flow_steer
+ * operation is defined
+ * @index_hlist: Device index hash chain
+ *
* @_tx: Array of TX queues
* @num_tx_queues: Number of TX queues allocated at alloc_netdev_mq() time
* @real_num_tx_queues: Number of TX queues currently active in device
*
* @xps_maps: XXX: need comments on this one
*
- * @rx_cpu_rmap: CPU reverse-mapping for RX completion interrupts,
- * indexed by RX queue number. Assigned by driver.
- * This must only be set if the ndo_rx_flow_steer
- * operation is defined
- *
* @trans_start: Time (in jiffies) of last Tx
* @watchdog_timeo: Represents the timeout that is used by
* the watchdog ( see dev_watchdog() )
*
* @pcpu_refcnt: Number of references to this device
* @todo_list: Delayed register/unregister
- * @index_hlist: Device index hash chain
* @link_watch_list: XXX: need comments on this one
*
* @reg_state: Register/unregister state machine
*
* @qdisc_tx_busylock: XXX: need comments on this one
*
- * @group: The group, that the device belongs to
* @pm_qos_req: Power Management QoS object
*
* FIXME: cleanup struct net_device such that network protocol info
unsigned long base_addr;
int irq;
+ atomic_t carrier_changes;
+
/*
* Some hardware also needs these fields (state,dev_list,
* napi_list,unreg_list,close_list) but they are not
netdev_features_t mpls_features;
int ifindex;
- int iflink;
+ int group;
struct net_device_stats stats;
atomic_long_t rx_dropped;
atomic_long_t tx_dropped;
- atomic_t carrier_changes;
-
#ifdef CONFIG_WIRELESS_EXT
const struct iw_handler_def * wireless_handlers;
struct iw_public_data * wireless_data;
#endif
const struct net_device_ops *netdev_ops;
const struct ethtool_ops *ethtool_ops;
- const struct forwarding_accel_ops *fwd_ops;
+#ifdef CONFIG_NET_SWITCHDEV
+ const struct swdev_ops *swdev_ops;
+#endif
const struct header_ops *header_ops;
unsigned short dev_id;
unsigned short dev_port;
spinlock_t addr_list_lock;
+ unsigned char name_assign_type;
+ bool uc_promisc;
struct netdev_hw_addr_list uc;
struct netdev_hw_addr_list mc;
struct netdev_hw_addr_list dev_addrs;
#ifdef CONFIG_SYSFS
struct kset *queues_kset;
#endif
-
- unsigned char name_assign_type;
-
- bool uc_promisc;
unsigned int promiscuity;
unsigned int allmulti;
struct netdev_queue __rcu *ingress_queue;
unsigned char broadcast[MAX_ADDR_LEN];
-
+#ifdef CONFIG_RFS_ACCEL
+ struct cpu_rmap *rx_cpu_rmap;
+#endif
+ struct hlist_node index_hlist;
/*
* Cache lines mostly used on transmit path
struct Qdisc *qdisc;
unsigned long tx_queue_len;
spinlock_t tx_global_lock;
+ int watchdog_timeo;
#ifdef CONFIG_XPS
struct xps_dev_maps __rcu *xps_maps;
#endif
-#ifdef CONFIG_RFS_ACCEL
- struct cpu_rmap *rx_cpu_rmap;
-#endif
/* These may be needed for future network-power-down code. */
*/
unsigned long trans_start;
- int watchdog_timeo;
struct timer_list watchdog_timer;
int __percpu *pcpu_refcnt;
struct list_head todo_list;
- struct hlist_node index_hlist;
struct list_head link_watch_list;
enum { NETREG_UNINITIALIZED=0,
struct netpoll_info __rcu *npinfo;
#endif
-#ifdef CONFIG_NET_NS
- struct net *nd_net;
-#endif
+ possible_net_t nd_net;
/* mid-layer private */
union {
#endif
struct phy_device *phydev;
struct lock_class_key *qdisc_tx_busylock;
- int group;
- struct pm_qos_request pm_qos_req;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
static inline
void dev_net_set(struct net_device *dev, struct net *net)
{
-#ifdef CONFIG_NET_NS
- release_net(dev->nd_net);
- dev->nd_net = hold_net(net);
-#endif
+ write_pnet(&dev->nd_net, net);
}
static inline bool netdev_uses_dsa(struct net_device *dev)
void dev_add_offload(struct packet_offload *po);
void dev_remove_offload(struct packet_offload *po);
+int dev_get_iflink(const struct net_device *dev);
struct net_device *__dev_get_by_flags(struct net *net, unsigned short flags,
unsigned short mask);
struct net_device *dev_get_by_name(struct net *net, const char *name);
int dev_alloc_name(struct net_device *dev, const char *name);
int dev_open(struct net_device *dev);
int dev_close(struct net_device *dev);
+int dev_close_many(struct list_head *head, bool unlink);
void dev_disable_lro(struct net_device *dev);
-int dev_loopback_xmit(struct sk_buff *newskb);
-int dev_queue_xmit(struct sk_buff *skb);
+int dev_loopback_xmit(struct sock *sk, struct sk_buff *newskb);
+int dev_queue_xmit_sk(struct sock *sk, struct sk_buff *skb);
+static inline int dev_queue_xmit(struct sk_buff *skb)
+{
+ return dev_queue_xmit_sk(skb->sk, skb);
+}
int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv);
int register_netdevice(struct net_device *dev);
void unregister_netdevice_queue(struct net_device *dev, struct list_head *head);
return dev->header_ops->parse(skb, haddr);
}
-static inline int dev_rebuild_header(struct sk_buff *skb)
-{
- const struct net_device *dev = skb->dev;
-
- if (!dev->header_ops || !dev->header_ops->rebuild)
- return 0;
- return dev->header_ops->rebuild(skb);
-}
-
typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len);
int register_gifconf(unsigned int family, gifconf_func_t *gifconf);
static inline int unregister_gifconf(unsigned int family)
int netif_rx(struct sk_buff *skb);
int netif_rx_ni(struct sk_buff *skb);
-int netif_receive_skb(struct sk_buff *skb);
+int netif_receive_skb_sk(struct sock *sk, struct sk_buff *skb);
+static inline int netif_receive_skb(struct sk_buff *skb)
+{
+ return netif_receive_skb_sk(skb->sk, skb);
+}
gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb);
void napi_gro_flush(struct napi_struct *napi, bool flush_old);
struct sk_buff *napi_get_frags(struct napi_struct *napi);
int dev_change_carrier(struct net_device *, bool new_carrier);
int dev_get_phys_port_id(struct net_device *dev,
struct netdev_phys_item_id *ppid);
+int dev_get_phys_port_name(struct net_device *dev,
+ char *name, size_t len);
struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev);
struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq, int *ret);
void netif_stacked_transfer_operstate(const struct net_device *rootdev,
struct net_device *dev);
+netdev_features_t passthru_features_check(struct sk_buff *skb,
+ struct net_device *dev,
+ netdev_features_t features);
netdev_features_t netif_skb_features(struct sk_buff *skb);
static inline bool net_gso_ok(netdev_features_t features, int gso_type)