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Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h92
1 files changed, 59 insertions, 33 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index eaf5bb008aa9..7c41593c1d6a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -47,6 +47,7 @@
#include <uapi/linux/if_bonding.h>
#include <uapi/linux/pkt_cls.h>
#include <linux/hashtable.h>
+#include <linux/rbtree.h>
struct netpoll_info;
struct device;
@@ -208,6 +209,7 @@ struct sk_buff;
struct netdev_hw_addr {
struct list_head list;
+ struct rb_node node;
unsigned char addr[MAX_ADDR_LEN];
unsigned char type;
#define NETDEV_HW_ADDR_T_LAN 1
@@ -224,6 +226,9 @@ struct netdev_hw_addr {
struct netdev_hw_addr_list {
struct list_head list;
int count;
+
+ /* Auxiliary tree for faster lookup on addition and deletion */
+ struct rb_root tree;
};
#define netdev_hw_addr_list_count(l) ((l)->count)
@@ -295,18 +300,6 @@ enum netdev_state_t {
};
-/*
- * This structure holds boot-time configured netdevice settings. They
- * are then used in the device probing.
- */
-struct netdev_boot_setup {
- char name[IFNAMSIZ];
- struct ifmap map;
-};
-#define NETDEV_BOOT_SETUP_MAX 8
-
-int __init netdev_boot_setup(char *str);
-
struct gro_list {
struct list_head list;
int count;
@@ -734,13 +727,13 @@ bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index, u32 flow_id,
/* This structure contains an instance of an RX queue. */
struct netdev_rx_queue {
+ struct xdp_rxq_info xdp_rxq;
#ifdef CONFIG_RPS
struct rps_map __rcu *rps_map;
struct rps_dev_flow_table __rcu *rps_flow_table;
#endif
struct kobject kobj;
struct net_device *dev;
- struct xdp_rxq_info xdp_rxq;
#ifdef CONFIG_XDP_SOCKETS
struct xsk_buff_pool *pool;
#endif
@@ -1086,9 +1079,18 @@ struct netdev_net_notifier {
* Test if Media Access Control address is valid for the device.
*
* int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
- * Called when a user requests an ioctl which can't be handled by
- * the generic interface code. If not defined ioctls return
- * not supported error code.
+ * Old-style ioctl entry point. This is used internally by the
+ * appletalk and ieee802154 subsystems but is no longer called by
+ * the device ioctl handler.
+ *
+ * int (*ndo_siocbond)(struct net_device *dev, struct ifreq *ifr, int cmd);
+ * Used by the bonding driver for its device specific ioctls:
+ * SIOCBONDENSLAVE, SIOCBONDRELEASE, SIOCBONDSETHWADDR, SIOCBONDCHANGEACTIVE,
+ * SIOCBONDSLAVEINFOQUERY, and SIOCBONDINFOQUERY
+ *
+ * * int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
+ * Called for ethernet specific ioctls: SIOCGMIIPHY, SIOCGMIIREG,
+ * SIOCSMIIREG, SIOCSHWTSTAMP and SIOCGHWTSTAMP.
*
* int (*ndo_set_config)(struct net_device *dev, struct ifmap *map);
* Used to set network devices bus interface parameters. This interface
@@ -1321,6 +1323,9 @@ struct netdev_net_notifier {
* that got dropped are freed/returned via xdp_return_frame().
* Returns negative number, means general error invoking ndo, meaning
* no frames were xmit'ed and core-caller will free all frames.
+ * struct net_device *(*ndo_xdp_get_xmit_slave)(struct net_device *dev,
+ * struct xdp_buff *xdp);
+ * Get the xmit slave of master device based on the xdp_buff.
* int (*ndo_xsk_wakeup)(struct net_device *dev, u32 queue_id, u32 flags);
* This function is used to wake up the softirq, ksoftirqd or kthread
* responsible for sending and/or receiving packets on a specific
@@ -1361,6 +1366,15 @@ struct net_device_ops {
int (*ndo_validate_addr)(struct net_device *dev);
int (*ndo_do_ioctl)(struct net_device *dev,
struct ifreq *ifr, int cmd);
+ int (*ndo_eth_ioctl)(struct net_device *dev,
+ struct ifreq *ifr, int cmd);
+ int (*ndo_siocbond)(struct net_device *dev,
+ struct ifreq *ifr, int cmd);
+ int (*ndo_siocwandev)(struct net_device *dev,
+ struct if_settings *ifs);
+ int (*ndo_siocdevprivate)(struct net_device *dev,
+ struct ifreq *ifr,
+ void __user *data, int cmd);
int (*ndo_set_config)(struct net_device *dev,
struct ifmap *map);
int (*ndo_change_mtu)(struct net_device *dev,
@@ -1539,6 +1553,8 @@ struct net_device_ops {
int (*ndo_xdp_xmit)(struct net_device *dev, int n,
struct xdp_frame **xdp,
u32 flags);
+ struct net_device * (*ndo_xdp_get_xmit_slave)(struct net_device *dev,
+ 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);
@@ -1805,6 +1821,7 @@ enum netdev_ml_priv_type {
* @ieee802154_ptr: IEEE 802.15.4 low-rate Wireless Personal Area Network
* device struct
* @mpls_ptr: mpls_dev struct pointer
+ * @mctp_ptr: MCTP specific data
*
* @dev_addr: Hw address (before bcast,
* because most packets are unicast)
@@ -2092,6 +2109,9 @@ struct net_device {
#if IS_ENABLED(CONFIG_MPLS_ROUTING)
struct mpls_dev __rcu *mpls_ptr;
#endif
+#if IS_ENABLED(CONFIG_MCTP)
+ struct mctp_dev __rcu *mctp_ptr;
+#endif
/*
* Cache lines mostly used on receive path (including eth_type_trans())
@@ -2917,7 +2937,6 @@ static inline struct net_device *first_net_device_rcu(struct net *net)
}
int netdev_boot_setup_check(struct net_device *dev);
-unsigned long netdev_boot_base(const char *prefix, int unit);
struct net_device *dev_getbyhwaddr_rcu(struct net *net, unsigned short type,
const char *hwaddr);
struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type);
@@ -3289,14 +3308,6 @@ static inline bool dev_has_header(const struct net_device *dev)
return dev->header_ops && dev->header_ops->create;
}
-typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr,
- int len, int size);
-int register_gifconf(unsigned int family, gifconf_func_t *gifconf);
-static inline int unregister_gifconf(unsigned int family)
-{
- return register_gifconf(family, NULL);
-}
-
#ifdef CONFIG_NET_FLOW_LIMIT
#define FLOW_LIMIT_HISTORY (1 << 7) /* must be ^2 and !overflow buckets */
struct sd_flow_limit {
@@ -3915,6 +3926,8 @@ static inline int netif_set_real_num_rx_queues(struct net_device *dev,
return 0;
}
#endif
+int netif_set_real_num_queues(struct net_device *dev,
+ unsigned int txq, unsigned int rxq);
static inline struct netdev_rx_queue *
__netif_get_rx_queue(struct net_device *dev, unsigned int rxq)
@@ -3948,7 +3961,7 @@ void __dev_kfree_skb_any(struct sk_buff *skb, enum skb_free_reason reason);
/*
* It is not allowed to call kfree_skb() or consume_skb() from hardware
* interrupt context or with hardware interrupts being disabled.
- * (in_irq() || irqs_disabled())
+ * (in_hardirq() || irqs_disabled())
*
* We provide four helpers that can be used in following contexts :
*
@@ -3984,6 +3997,8 @@ static inline void dev_consume_skb_any(struct sk_buff *skb)
__dev_kfree_skb_any(skb, SKB_REASON_CONSUMED);
}
+u32 bpf_prog_run_generic_xdp(struct sk_buff *skb, struct xdp_buff *xdp,
+ struct bpf_prog *xdp_prog);
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);
@@ -4012,10 +4027,16 @@ int netdev_rx_handler_register(struct net_device *dev,
void netdev_rx_handler_unregister(struct net_device *dev);
bool dev_valid_name(const char *name);
+static inline bool is_socket_ioctl_cmd(unsigned int cmd)
+{
+ return _IOC_TYPE(cmd) == SOCK_IOC_TYPE;
+}
+int get_user_ifreq(struct ifreq *ifr, void __user **ifrdata, void __user *arg);
+int put_user_ifreq(struct ifreq *ifr, void __user *arg);
int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr,
- bool *need_copyout);
-int dev_ifconf(struct net *net, struct ifconf *, int);
-int dev_ethtool(struct net *net, struct ifreq *);
+ void __user *data, bool *need_copyout);
+int dev_ifconf(struct net *net, struct ifconf __user *ifc);
+int dev_ethtool(struct net *net, struct ifreq *ifr, void __user *userdata);
unsigned int dev_get_flags(const struct net_device *);
int __dev_change_flags(struct net_device *dev, unsigned int flags,
struct netlink_ext_ack *extack);
@@ -4069,6 +4090,7 @@ typedef int (*bpf_op_t)(struct net_device *dev, struct netdev_bpf *bpf);
int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
int fd, int expected_fd, u32 flags);
int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
+u8 dev_xdp_prog_count(struct net_device *dev);
u32 dev_xdp_prog_id(struct net_device *dev, enum bpf_xdp_mode mode);
int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
@@ -4136,11 +4158,13 @@ void netdev_run_todo(void);
*/
static inline void dev_put(struct net_device *dev)
{
+ if (dev) {
#ifdef CONFIG_PCPU_DEV_REFCNT
- this_cpu_dec(*dev->pcpu_refcnt);
+ this_cpu_dec(*dev->pcpu_refcnt);
#else
- refcount_dec(&dev->dev_refcnt);
+ refcount_dec(&dev->dev_refcnt);
#endif
+ }
}
/**
@@ -4151,11 +4175,13 @@ static inline void dev_put(struct net_device *dev)
*/
static inline void dev_hold(struct net_device *dev)
{
+ if (dev) {
#ifdef CONFIG_PCPU_DEV_REFCNT
- this_cpu_inc(*dev->pcpu_refcnt);
+ this_cpu_inc(*dev->pcpu_refcnt);
#else
- refcount_inc(&dev->dev_refcnt);
+ refcount_inc(&dev->dev_refcnt);
#endif
+ }
}
/* Carrier loss detection, dial on demand. The functions netif_carrier_on
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-09 02:04:53 +0000