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Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h56
1 files changed, 46 insertions, 10 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ee483071cf59..a740be3bb911 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -298,9 +298,11 @@ struct hh_cache {
* relationship HH alignment <= LL alignment.
*/
#define LL_RESERVED_SPACE(dev) \
- ((((dev)->hard_header_len+(dev)->needed_headroom)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
- ((((dev)->hard_header_len+(dev)->needed_headroom+(extra))&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+ ((((dev)->hard_header_len + READ_ONCE((dev)->needed_headroom) + (extra)) \
+ & ~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
struct header_ops {
int (*create) (struct sk_buff *skb, struct net_device *dev,
@@ -365,11 +367,12 @@ struct napi_struct {
struct sk_buff *skb;
struct list_head rx_list; /* Pending GRO_NORMAL skbs */
int rx_count; /* length of rx_list */
+ unsigned int napi_id;
struct hrtimer timer;
+ struct task_struct *thread;
+ /* control-path-only fields follow */
struct list_head dev_list;
struct hlist_node napi_hash_node;
- unsigned int napi_id;
- struct task_struct *thread;
};
enum {
@@ -507,15 +510,18 @@ static inline bool napi_reschedule(struct napi_struct *napi)
return false;
}
-bool napi_complete_done(struct napi_struct *n, int work_done);
/**
- * napi_complete - NAPI processing complete
- * @n: NAPI context
+ * napi_complete_done - NAPI processing complete
+ * @n: NAPI context
+ * @work_done: number of packets processed
*
- * Mark NAPI processing as complete.
- * Consider using napi_complete_done() instead.
+ * Mark NAPI processing as complete. Should only be called if poll budget
+ * has not been completely consumed.
+ * Prefer over napi_complete().
* Return false if device should avoid rearming interrupts.
*/
+bool napi_complete_done(struct napi_struct *n, int work_done);
+
static inline bool napi_complete(struct napi_struct *n)
{
return napi_complete_done(n, 0);
@@ -1307,6 +1313,17 @@ struct netdev_net_notifier {
* Used to add FDB entries to dump requests. Implementers should add
* entries to skb and update idx with the number of entries.
*
+ * int (*ndo_mdb_add)(struct net_device *dev, struct nlattr *tb[],
+ * u16 nlmsg_flags, struct netlink_ext_ack *extack);
+ * Adds an MDB entry to dev.
+ * int (*ndo_mdb_del)(struct net_device *dev, struct nlattr *tb[],
+ * struct netlink_ext_ack *extack);
+ * Deletes the MDB entry from dev.
+ * int (*ndo_mdb_dump)(struct net_device *dev, struct sk_buff *skb,
+ * struct netlink_callback *cb);
+ * Dumps MDB entries from dev. The first argument (marker) in the netlink
+ * callback is used by core rtnetlink code.
+ *
* int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh,
* u16 flags, struct netlink_ext_ack *extack)
* int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
@@ -1569,6 +1586,16 @@ struct net_device_ops {
const unsigned char *addr,
u16 vid, u32 portid, u32 seq,
struct netlink_ext_ack *extack);
+ int (*ndo_mdb_add)(struct net_device *dev,
+ struct nlattr *tb[],
+ u16 nlmsg_flags,
+ struct netlink_ext_ack *extack);
+ int (*ndo_mdb_del)(struct net_device *dev,
+ struct nlattr *tb[],
+ struct netlink_ext_ack *extack);
+ int (*ndo_mdb_dump)(struct net_device *dev,
+ struct sk_buff *skb,
+ struct netlink_callback *cb);
int (*ndo_bridge_setlink)(struct net_device *dev,
struct nlmsghdr *nlh,
u16 flags,
@@ -2461,6 +2488,7 @@ static inline
struct netdev_queue *netdev_get_tx_queue(const struct net_device *dev,
unsigned int index)
{
+ DEBUG_NET_WARN_ON_ONCE(index >= dev->num_tx_queues);
return &dev->_tx[index];
}
@@ -2850,6 +2878,7 @@ enum netdev_cmd {
NETDEV_OFFLOAD_XSTATS_REPORT_USED,
NETDEV_OFFLOAD_XSTATS_REPORT_DELTA,
NETDEV_XDP_FEAT_CHANGE,
+ NETDEV_PRE_CHANGE_HWTSTAMP,
};
const char *netdev_cmd_to_name(enum netdev_cmd cmd);
@@ -2900,6 +2929,11 @@ struct netdev_notifier_pre_changeaddr_info {
const unsigned char *dev_addr;
};
+struct netdev_notifier_hwtstamp_info {
+ struct netdev_notifier_info info; /* must be first */
+ struct kernel_hwtstamp_config *config;
+};
+
enum netdev_offload_xstats_type {
NETDEV_OFFLOAD_XSTATS_TYPE_L3 = 1,
};
@@ -2956,7 +2990,8 @@ netdev_notifier_info_to_extack(const struct netdev_notifier_info *info)
}
int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
-
+int call_netdevice_notifiers_info(unsigned long val,
+ struct netdev_notifier_info *info);
extern rwlock_t dev_base_lock; /* Device list lock */
@@ -3161,6 +3196,7 @@ struct softnet_data {
#ifdef CONFIG_RPS
struct softnet_data *rps_ipi_list;
#endif
+ bool in_net_rx_action;
#ifdef CONFIG_NET_FLOW_LIMIT
struct sd_flow_limit __rcu *flow_limit;
#endif