diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 32 | ||||
| -rw-r--r-- | include/linux/skbuff.h | 3 |
2 files changed, 33 insertions, 2 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index c79a88be7c3..de1a52bcb9e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -223,6 +223,7 @@ struct netif_rx_stats { unsigned dropped; unsigned time_squeeze; unsigned cpu_collision; + unsigned received_rps; }; DECLARE_PER_CPU(struct netif_rx_stats, netdev_rx_stat); @@ -530,6 +531,24 @@ struct netdev_queue { unsigned long tx_dropped; } ____cacheline_aligned_in_smp; +/* + * This structure holds an RPS map which can be of variable length. The + * map is an array of CPUs. + */ +struct rps_map { + unsigned int len; + struct rcu_head rcu; + u16 cpus[0]; +}; +#define RPS_MAP_SIZE(_num) (sizeof(struct rps_map) + (_num * sizeof(u16))) + +/* This structure contains an instance of an RX queue. */ +struct netdev_rx_queue { + struct rps_map *rps_map; + struct kobject kobj; + struct netdev_rx_queue *first; + atomic_t count; +} ____cacheline_aligned_in_smp; /* * This structure defines the management hooks for network devices. @@ -878,6 +897,13 @@ struct net_device { unsigned char broadcast[MAX_ADDR_LEN]; /* hw bcast add */ + struct kset *queues_kset; + + struct netdev_rx_queue *_rx; + + /* Number of RX queues allocated at alloc_netdev_mq() time */ + unsigned int num_rx_queues; + struct netdev_queue rx_queue; struct netdev_queue *_tx ____cacheline_aligned_in_smp; @@ -1311,14 +1337,16 @@ static inline int unregister_gifconf(unsigned int family) */ struct softnet_data { struct Qdisc *output_queue; - struct sk_buff_head input_pkt_queue; struct list_head poll_list; struct sk_buff *completion_queue; + /* Elements below can be accessed between CPUs for RPS */ + struct call_single_data csd ____cacheline_aligned_in_smp; + struct sk_buff_head input_pkt_queue; struct napi_struct backlog; }; -DECLARE_PER_CPU(struct softnet_data,softnet_data); +DECLARE_PER_CPU_ALIGNED(struct softnet_data, softnet_data); #define HAVE_NETIF_QUEUE diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 03f816a9b65..def10b064f2 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -300,6 +300,7 @@ typedef unsigned char *sk_buff_data_t; * @nfct_reasm: netfilter conntrack re-assembly pointer * @nf_bridge: Saved data about a bridged frame - see br_netfilter.c * @skb_iif: ifindex of device we arrived on + * @rxhash: the packet hash computed on receive * @queue_mapping: Queue mapping for multiqueue devices * @tc_index: Traffic control index * @tc_verd: traffic control verdict @@ -375,6 +376,8 @@ struct sk_buff { #endif #endif + __u32 rxhash; + kmemcheck_bitfield_begin(flags2); __u16 queue_mapping:16; #ifdef CONFIG_IPV6_NDISC_NODETYPE |