diff options
Diffstat (limited to 'include/net/netdev_rx_queue.h')
| -rw-r--r-- | include/net/netdev_rx_queue.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/net/netdev_rx_queue.h b/include/net/netdev_rx_queue.h new file mode 100644 index 0000000000..cdcafb30d4 --- /dev/null +++ b/include/net/netdev_rx_queue.h @@ -0,0 +1,53 @@ +/* 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 +} ____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 |