name : netdev_rx_queue.h /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_NETDEV_RX_QUEUE_H #define _LINUX_NETDEV_RX_QUEUE_H #include <linux/kobject.h> #include <linux/netdevice.h> #include <linux/sysfs.h> #include <net/xdp.h> /* 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; netdevice_tracker dev_tracker; #ifdef CONFIG_XDP_SOCKETS struct xsk_buff_pool *pool; #endif /* NAPI instance for the queue * Readers and writers must hold RTNL */ struct napi_struct *napi; } ____cacheline_aligned_in_smp; /* * RX queue sysfs structures and functions. */ struct rx_queue_attribute { struct attribute attr; ssize_t (*show)(struct netdev_rx_queue *queue, char *buf); ssize_t (*store)(struct netdev_rx_queue *queue, const char *buf, size_t len); }; static inline struct netdev_rx_queue * __netif_get_rx_queue(struct net_device *dev, unsigned int rxq) { return dev->_rx + rxq; } #ifdef CONFIG_SYSFS static inline unsigned int get_netdev_rx_queue_index(struct netdev_rx_queue *queue) { struct net_device *dev = queue->dev; int index = queue - dev->_rx; BUG_ON(index >= dev->num_rx_queues); return index; } #endif #endif