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