| 1 |
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| 2 | #ifndef _NET_HOTDATA_H
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| 3 | #define _NET_HOTDATA_H
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| 4 |
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| 5 | #include <linux/llist.h>
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| 6 | #include <linux/types.h>
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| 7 | #include <linux/netdevice.h>
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| 8 | #include <net/protocol.h>
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| 9 | #ifdef CONFIG_RPS
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| 10 | #include <net/rps-types.h>
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| 11 | #endif
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| 12 |
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| 13 | struct skb_defer_node {
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| 14 | struct llist_head defer_list;
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| 15 | atomic_long_t defer_count;
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| 16 | } ____cacheline_aligned_in_smp;
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| 17 |
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| 18 |
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| 19 | struct net_hotdata {
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| 20 | #if IS_ENABLED(CONFIG_INET)
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| 21 | struct packet_offload ip_packet_offload;
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| 22 | struct net_offload tcpv4_offload;
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| 23 | struct net_protocol tcp_protocol;
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| 24 | struct net_offload udpv4_offload;
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| 25 | struct net_protocol udp_protocol;
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| 26 | struct packet_offload ipv6_packet_offload;
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| 27 | struct net_offload tcpv6_offload;
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| 28 | #if IS_ENABLED(CONFIG_IPV6)
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| 29 | struct inet6_protocol tcpv6_protocol;
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| 30 | struct inet6_protocol udpv6_protocol;
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| 31 | #endif
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| 32 | struct net_offload udpv6_offload;
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| 33 | #endif
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| 34 | struct list_head offload_base;
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| 35 | struct kmem_cache *skbuff_cache;
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| 36 | struct kmem_cache *skbuff_fclone_cache;
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| 37 | struct kmem_cache *skb_small_head_cache;
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| 38 | #ifdef CONFIG_RPS
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| 39 | rps_tag_ptr rps_sock_flow_table;
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| 40 | u32 rps_cpu_mask;
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| 41 | #endif
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| 42 | struct skb_defer_node __percpu *skb_defer_nodes;
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| 43 | int gro_normal_batch;
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| 44 | int netdev_budget;
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| 45 | int netdev_budget_usecs;
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| 46 | int tstamp_prequeue;
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| 47 | int max_backlog;
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| 48 | int qdisc_max_burst;
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| 49 | int dev_tx_weight;
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| 50 | int dev_rx_weight;
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| 51 | int sysctl_max_skb_frags;
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| 52 | int sysctl_skb_defer_max;
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| 53 | int sysctl_mem_pcpu_rsv;
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| 54 | };
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| 55 |
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| 56 | #define inet_ehash_secret net_hotdata.tcp_protocol.secret
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| 57 | #define udp_ehash_secret net_hotdata.udp_protocol.secret
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| 58 | #define inet6_ehash_secret net_hotdata.tcpv6_protocol.secret
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| 59 | #define tcp_ipv6_hash_secret net_hotdata.tcpv6_offload.secret
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| 60 | #define udp6_ehash_secret net_hotdata.udpv6_protocol.secret
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| 61 | #define udp_ipv6_hash_secret net_hotdata.udpv6_offload.secret
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| 62 |
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| 63 | extern struct net_hotdata net_hotdata;
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| 64 |
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| 65 | #endif
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