1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef _LINUX_NETDEV_RX_QUEUE_H
3 #define _LINUX_NETDEV_RX_QUEUE_H
4
5 #include <linux/kobject.h>
6 #include <linux/netdevice.h>
7 #include <linux/sysfs.h>
8 #include <net/xdp.h>
9 #include <net/page_pool/types.h>
10
11 /* This structure contains an instance of an R
12 struct netdev_rx_queue {
13 struct xdp_rxq_info xdp_rx
14 #ifdef CONFIG_RPS
15 struct rps_map __rcu *rps_m
16 struct rps_dev_flow_table __rcu *rps_f
17 #endif
18 struct kobject kobj;
19 struct net_device *dev;
20 netdevice_tracker dev_tr
21
22 #ifdef CONFIG_XDP_SOCKETS
23 struct xsk_buff_pool *pool;
24 #endif
25 /* NAPI instance for the queue
26 * Readers and writers must hold RTNL
27 */
28 struct napi_struct *napi;
29 struct pp_memory_provider_params mp_pa
30 } ____cacheline_aligned_in_smp;
31
32 /*
33 * RX queue sysfs structures and functions.
34 */
35 struct rx_queue_attribute {
36 struct attribute attr;
37 ssize_t (*show)(struct netdev_rx_queue
38 ssize_t (*store)(struct netdev_rx_queu
39 const char *buf, size
40 };
41
42 static inline struct netdev_rx_queue *
43 __netif_get_rx_queue(struct net_device *dev, u
44 {
45 return dev->_rx + rxq;
46 }
47
48 static inline unsigned int
49 get_netdev_rx_queue_index(struct netdev_rx_que
50 {
51 struct net_device *dev = queue->dev;
52 int index = queue - dev->_rx;
53
54 BUG_ON(index >= dev->num_rx_queues);
55 return index;
56 }
57
58 int netdev_rx_queue_restart(struct net_device
59
60 #endif
61
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