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Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h146
1 files changed, 103 insertions, 43 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 857f8abf7b91..26f69cf763f4 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -274,6 +274,7 @@ struct header_ops {
const struct net_device *dev,
const unsigned char *haddr);
bool (*validate)(const char *ll_header, unsigned int len);
+ __be16 (*parse_protocol)(const struct sk_buff *skb);
};
/* These flag bits are private to the generic network queueing
@@ -630,6 +631,7 @@ struct netdev_queue {
} ____cacheline_aligned_in_smp;
extern int sysctl_fb_tunnels_only_for_init_net;
+extern int sysctl_devconf_inherit_init_net;
static inline bool net_has_fallback_tunnels(const struct net *net)
{
@@ -845,6 +847,8 @@ enum tc_setup_type {
TC_SETUP_QDISC_PRIO,
TC_SETUP_QDISC_MQ,
TC_SETUP_QDISC_ETF,
+ TC_SETUP_ROOT_QDISC,
+ TC_SETUP_QDISC_GRED,
};
/* These structures hold the attributes of bpf state that are being passed
@@ -863,12 +867,8 @@ enum bpf_netdev_command {
XDP_QUERY_PROG,
XDP_QUERY_PROG_HW,
/* BPF program for offload callbacks, invoked at program load time. */
- BPF_OFFLOAD_VERIFIER_PREP,
- BPF_OFFLOAD_TRANSLATE,
- BPF_OFFLOAD_DESTROY,
BPF_OFFLOAD_MAP_ALLOC,
BPF_OFFLOAD_MAP_FREE,
- XDP_QUERY_XSK_UMEM,
XDP_SETUP_XSK_UMEM,
};
@@ -891,23 +891,14 @@ struct netdev_bpf {
/* flags with which program was installed */
u32 prog_flags;
};
- /* BPF_OFFLOAD_VERIFIER_PREP */
- struct {
- struct bpf_prog *prog;
- const struct bpf_prog_offload_ops *ops; /* callee set */
- } verifier;
- /* BPF_OFFLOAD_TRANSLATE, BPF_OFFLOAD_DESTROY */
- struct {
- struct bpf_prog *prog;
- } offload;
/* BPF_OFFLOAD_MAP_ALLOC, BPF_OFFLOAD_MAP_FREE */
struct {
struct bpf_offloaded_map *offmap;
};
- /* XDP_QUERY_XSK_UMEM, XDP_SETUP_XSK_UMEM */
+ /* XDP_SETUP_XSK_UMEM */
struct {
- struct xdp_umem *umem; /* out for query*/
- u16 queue_id; /* in for query */
+ struct xdp_umem *umem;
+ u16 queue_id;
} xsk;
};
};
@@ -950,6 +941,8 @@ struct dev_ifalias {
char ifalias[];
};
+struct devlink;
+
/*
* This structure defines the management hooks for network devices.
* The following hooks can be defined; unless noted otherwise, they are
@@ -1162,7 +1155,8 @@ struct dev_ifalias {
*
* int (*ndo_fdb_add)(struct ndmsg *ndm, struct nlattr *tb[],
* struct net_device *dev,
- * const unsigned char *addr, u16 vid, u16 flags)
+ * const unsigned char *addr, u16 vid, u16 flags,
+ * struct netlink_ext_ack *extack);
* Adds an FDB entry to dev for addr.
* int (*ndo_fdb_del)(struct ndmsg *ndm, struct nlattr *tb[],
* struct net_device *dev,
@@ -1175,7 +1169,7 @@ struct dev_ifalias {
* entries to skb and update idx with the number of entries.
*
* int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh,
- * u16 flags)
+ * u16 flags, struct netlink_ext_ack *extack)
* int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
* struct net_device *dev, u32 filter_mask,
* int nlflags)
@@ -1196,6 +1190,10 @@ struct dev_ifalias {
* not implement this, it is assumed that the hw is not able to have
* multiple net devices on single physical port.
*
+ * int (*ndo_get_port_parent_id)(struct net_device *dev,
+ * struct netdev_phys_item_id *ppid)
+ * Called to get the parent ID of the physical port of this device.
+ *
* void (*ndo_udp_tunnel_add)(struct net_device *dev,
* struct udp_tunnel_info *ti);
* Called by UDP tunnel to notify a driver about the UDP port and socket
@@ -1253,6 +1251,10 @@ struct dev_ifalias {
* 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 devlink *(*ndo_get_devlink)(struct net_device *dev);
+ * Get devlink instance associated with a given netdev.
+ * Called with a reference on the netdevice and devlink locks only,
+ * rtnl_lock is not held.
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
@@ -1386,7 +1388,8 @@ struct net_device_ops {
struct net_device *dev,
const unsigned char *addr,
u16 vid,
- u16 flags);
+ u16 flags,
+ struct netlink_ext_ack *extack);
int (*ndo_fdb_del)(struct ndmsg *ndm,
struct nlattr *tb[],
struct net_device *dev,
@@ -1397,10 +1400,16 @@ struct net_device_ops {
struct net_device *dev,
struct net_device *filter_dev,
int *idx);
-
+ int (*ndo_fdb_get)(struct sk_buff *skb,
+ struct nlattr *tb[],
+ struct net_device *dev,
+ const unsigned char *addr,
+ u16 vid, u32 portid, u32 seq,
+ struct netlink_ext_ack *extack);
int (*ndo_bridge_setlink)(struct net_device *dev,
struct nlmsghdr *nlh,
- u16 flags);
+ u16 flags,
+ struct netlink_ext_ack *extack);
int (*ndo_bridge_getlink)(struct sk_buff *skb,
u32 pid, u32 seq,
struct net_device *dev,
@@ -1413,6 +1422,8 @@ struct net_device_ops {
bool new_carrier);
int (*ndo_get_phys_port_id)(struct net_device *dev,
struct netdev_phys_item_id *ppid);
+ int (*ndo_get_port_parent_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_udp_tunnel_add)(struct net_device *dev,
@@ -1442,6 +1453,7 @@ struct net_device_ops {
u32 flags);
int (*ndo_xsk_async_xmit)(struct net_device *dev,
u32 queue_id);
+ struct devlink * (*ndo_get_devlink)(struct net_device *dev);
};
/**
@@ -1487,6 +1499,7 @@ struct net_device_ops {
* @IFF_NO_RX_HANDLER: device doesn't support the rx_handler hook
* @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
*/
enum netdev_priv_flags {
IFF_802_1Q_VLAN = 1<<0,
@@ -1518,6 +1531,7 @@ enum netdev_priv_flags {
IFF_NO_RX_HANDLER = 1<<26,
IFF_FAILOVER = 1<<27,
IFF_FAILOVER_SLAVE = 1<<28,
+ IFF_L3MDEV_RX_HANDLER = 1<<29,
};
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
@@ -1548,6 +1562,7 @@ enum netdev_priv_flags {
#define IFF_NO_RX_HANDLER IFF_NO_RX_HANDLER
#define IFF_FAILOVER IFF_FAILOVER
#define IFF_FAILOVER_SLAVE IFF_FAILOVER_SLAVE
+#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
/**
* struct net_device - The DEVICE structure.
@@ -1828,9 +1843,6 @@ struct net_device {
#endif
const struct net_device_ops *netdev_ops;
const struct ethtool_ops *ethtool_ops;
-#ifdef CONFIG_NET_SWITCHDEV
- const struct switchdev_ops *switchdev_ops;
-#endif
#ifdef CONFIG_NET_L3_MASTER_DEV
const struct l3mdev_ops *l3mdev_ops;
#endif
@@ -2388,13 +2400,13 @@ struct pcpu_sw_netstats {
u64 tx_packets;
u64 tx_bytes;
struct u64_stats_sync syncp;
-};
+} __aligned(4 * sizeof(u64));
struct pcpu_lstats {
u64 packets;
u64 bytes;
struct u64_stats_sync syncp;
-};
+} __aligned(2 * sizeof(u64));
#define __netdev_alloc_pcpu_stats(type, gfp) \
({ \
@@ -2459,7 +2471,8 @@ enum netdev_cmd {
NETDEV_REGISTER,
NETDEV_UNREGISTER,
NETDEV_CHANGEMTU, /* notify after mtu change happened */
- NETDEV_CHANGEADDR,
+ NETDEV_CHANGEADDR, /* notify after the address change */
+ NETDEV_PRE_CHANGEADDR, /* notify before the address change */
NETDEV_GOING_DOWN,
NETDEV_CHANGENAME,
NETDEV_FEAT_CHANGE,
@@ -2521,6 +2534,11 @@ struct netdev_notifier_changelowerstate_info {
void *lower_state_info; /* is lower dev state */
};
+struct netdev_notifier_pre_changeaddr_info {
+ struct netdev_notifier_info info; /* must be first */
+ const unsigned char *dev_addr;
+};
+
static inline void netdev_notifier_info_init(struct netdev_notifier_info *info,
struct net_device *dev)
{
@@ -2615,7 +2633,7 @@ struct net_device *dev_get_by_name(struct net *net, const char *name);
struct net_device *dev_get_by_name_rcu(struct net *net, const char *name);
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_open(struct net_device *dev, struct netlink_ext_ack *extack);
void dev_close(struct net_device *dev);
void dev_close_many(struct list_head *head, bool unlink);
void dev_disable_lro(struct net_device *dev);
@@ -2926,6 +2944,15 @@ static inline int dev_parse_header(const struct sk_buff *skb,
return dev->header_ops->parse(skb, haddr);
}
+static inline __be16 dev_parse_header_protocol(const struct sk_buff *skb)
+{
+ const struct net_device *dev = skb->dev;
+
+ if (!dev->header_ops || !dev->header_ops->parse_protocol)
+ return 0;
+ return dev->header_ops->parse_protocol(skb);
+}
+
/* ll_header must have at least hard_header_len allocated */
static inline bool dev_validate_header(const struct net_device *dev,
char *ll_header, int len)
@@ -3224,6 +3251,14 @@ static inline void netdev_sent_queue(struct net_device *dev, unsigned int bytes)
netdev_tx_sent_queue(netdev_get_tx_queue(dev, 0), bytes);
}
+static inline bool __netdev_sent_queue(struct net_device *dev,
+ unsigned int bytes,
+ bool xmit_more)
+{
+ return __netdev_tx_sent_queue(netdev_get_tx_queue(dev, 0), bytes,
+ xmit_more);
+}
+
static inline void netdev_tx_completed_queue(struct netdev_queue *dev_queue,
unsigned int pkts, unsigned int bytes)
{
@@ -3613,8 +3648,10 @@ int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr,
int dev_ifconf(struct net *net, struct ifconf *, int);
int dev_ethtool(struct net *net, struct ifreq *);
unsigned int dev_get_flags(const struct net_device *);
-int __dev_change_flags(struct net_device *, unsigned int flags);
-int dev_change_flags(struct net_device *, unsigned int);
+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_change_name(struct net_device *, const char *);
@@ -3627,13 +3664,20 @@ int dev_set_mtu_ext(struct net_device *dev, int mtu,
int dev_set_mtu(struct net_device *, int);
int dev_change_tx_queue_len(struct net_device *, unsigned long);
void dev_set_group(struct net_device *, int);
-int dev_set_mac_address(struct net_device *, struct sockaddr *);
+int dev_pre_changeaddr_notify(struct net_device *dev, const char *addr,
+ struct netlink_ext_ack *extack);
+int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa,
+ struct netlink_ext_ack *extack);
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);
+int dev_get_port_parent_id(struct net_device *dev,
+ struct netdev_phys_item_id *ppid, bool recurse);
+bool netdev_port_same_parent_id(struct net_device *a, struct net_device *b);
int dev_change_proto_down(struct net_device *dev, bool proto_down);
+int dev_change_proto_down_generic(struct net_device *dev, bool proto_down);
struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev, bool *again);
struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
struct netdev_queue *txq, int *ret);
@@ -3843,7 +3887,7 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
if (debug_value == 0) /* no output */
return 0;
/* set low N bits */
- return (1 << debug_value) - 1;
+ return (1U << debug_value) - 1;
}
static inline void __netif_tx_lock(struct netdev_queue *txq, int cpu)
@@ -4068,6 +4112,16 @@ int __hw_addr_sync_dev(struct netdev_hw_addr_list *list,
int (*sync)(struct net_device *, const unsigned char *),
int (*unsync)(struct net_device *,
const unsigned char *));
+int __hw_addr_ref_sync_dev(struct netdev_hw_addr_list *list,
+ struct net_device *dev,
+ int (*sync)(struct net_device *,
+ const unsigned char *, int),
+ int (*unsync)(struct net_device *,
+ const unsigned char *, int));
+void __hw_addr_ref_unsync_dev(struct netdev_hw_addr_list *list,
+ struct net_device *dev,
+ int (*unsync)(struct net_device *,
+ const unsigned char *, int));
void __hw_addr_unsync_dev(struct netdev_hw_addr_list *list,
struct net_device *dev,
int (*unsync)(struct net_device *,
@@ -4332,9 +4386,10 @@ static inline bool can_checksum_protocol(netdev_features_t features,
}
#ifdef CONFIG_BUG
-void netdev_rx_csum_fault(struct net_device *dev);
+void netdev_rx_csum_fault(struct net_device *dev, struct sk_buff *skb);
#else
-static inline void netdev_rx_csum_fault(struct net_device *dev)
+static inline void netdev_rx_csum_fault(struct net_device *dev,
+ struct sk_buff *skb)
{
}
#endif
@@ -4360,7 +4415,7 @@ static inline netdev_tx_t netdev_start_xmit(struct sk_buff *skb, struct net_devi
struct netdev_queue *txq, bool more)
{
const struct net_device_ops *ops = dev->netdev_ops;
- int rc;
+ netdev_tx_t rc;
rc = __netdev_start_xmit(ops, skb, dev, more);
if (rc == NETDEV_TX_OK)
@@ -4523,6 +4578,11 @@ static inline bool netif_supports_nofcs(struct net_device *dev)
return dev->priv_flags & IFF_SUPP_NOFCS;
}
+static inline bool netif_has_l3_rx_handler(const struct net_device *dev)
+{
+ return dev->priv_flags & IFF_L3MDEV_RX_HANDLER;
+}
+
static inline bool netif_is_l3_master(const struct net_device *dev)
{
return dev->priv_flags & IFF_L3MDEV_MASTER;
@@ -4634,22 +4694,22 @@ static inline const char *netdev_reg_state(const struct net_device *dev)
return " (unknown)";
}
-__printf(3, 4)
+__printf(3, 4) __cold
void netdev_printk(const char *level, const struct net_device *dev,
const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_emerg(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_alert(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_crit(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_err(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_warn(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_notice(const struct net_device *dev, const char *format, ...);
-__printf(2, 3)
+__printf(2, 3) __cold
void netdev_info(const struct net_device *dev, const char *format, ...);
#define netdev_level_once(level, dev, fmt, ...) \
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-20 07:27:17 +0300