summaryrefslogtreecommitdiff
path: root/include/linux/netdevice.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h38
1 files changed, 35 insertions, 3 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ddf4cfc12615..87a5d186faff 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -360,6 +360,7 @@ enum {
NAPI_STATE_IN_BUSY_POLL, /* sk_busy_loop() owns this NAPI */
NAPI_STATE_PREFER_BUSY_POLL, /* prefer busy-polling over softirq processing*/
NAPI_STATE_THREADED, /* The poll is performed inside its own thread*/
+ NAPI_STATE_SCHED_THREADED, /* Napi is currently scheduled in threaded mode */
};
enum {
@@ -372,6 +373,7 @@ enum {
NAPIF_STATE_IN_BUSY_POLL = BIT(NAPI_STATE_IN_BUSY_POLL),
NAPIF_STATE_PREFER_BUSY_POLL = BIT(NAPI_STATE_PREFER_BUSY_POLL),
NAPIF_STATE_THREADED = BIT(NAPI_STATE_THREADED),
+ NAPIF_STATE_SCHED_THREADED = BIT(NAPI_STATE_SCHED_THREADED),
};
enum gro_result {
@@ -1584,6 +1586,12 @@ enum netdev_priv_flags {
#define IFF_L3MDEV_RX_HANDLER IFF_L3MDEV_RX_HANDLER
#define IFF_LIVE_RENAME_OK IFF_LIVE_RENAME_OK
+/* Specifies the type of the struct net_device::ml_priv pointer */
+enum netdev_ml_priv_type {
+ ML_PRIV_NONE,
+ ML_PRIV_CAN,
+};
+
/**
* struct net_device - The DEVICE structure.
*
@@ -1779,6 +1787,7 @@ enum netdev_priv_flags {
* @nd_net: Network namespace this network device is inside
*
* @ml_priv: Mid-layer private
+ * @ml_priv_type: Mid-layer private type
* @lstats: Loopback statistics
* @tstats: Tunnel statistics
* @dstats: Dummy statistics
@@ -2094,8 +2103,10 @@ struct net_device {
possible_net_t nd_net;
/* mid-layer private */
+ void *ml_priv;
+ enum netdev_ml_priv_type ml_priv_type;
+
union {
- void *ml_priv;
struct pcpu_lstats __percpu *lstats;
struct pcpu_sw_netstats __percpu *tstats;
struct pcpu_dstats __percpu *dstats;
@@ -2286,6 +2297,29 @@ static inline void netdev_reset_rx_headroom(struct net_device *dev)
netdev_set_rx_headroom(dev, -1);
}
+static inline void *netdev_get_ml_priv(struct net_device *dev,
+ enum netdev_ml_priv_type type)
+{
+ if (dev->ml_priv_type != type)
+ return NULL;
+
+ return dev->ml_priv;
+}
+
+static inline void netdev_set_ml_priv(struct net_device *dev,
+ void *ml_priv,
+ enum netdev_ml_priv_type type)
+{
+ WARN(dev->ml_priv_type && dev->ml_priv_type != type,
+ "Overwriting already set ml_priv_type (%u) with different ml_priv_type (%u)!\n",
+ dev->ml_priv_type, type);
+ WARN(!dev->ml_priv_type && dev->ml_priv,
+ "Overwriting already set ml_priv and ml_priv_type is ML_PRIV_NONE!\n");
+
+ dev->ml_priv = ml_priv;
+ dev->ml_priv_type = type;
+}
+
/*
* Net namespace inlines
*/
@@ -3927,8 +3961,6 @@ int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack,
int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
u32 dev_xdp_prog_id(struct net_device *dev, enum bpf_xdp_mode mode);
-int xdp_umem_query(struct net_device *dev, u16 queue_id);
-
int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
int dev_forward_skb_nomtu(struct net_device *dev, struct sk_buff *skb);