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ARK-OS
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arkos
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kernel
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include
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net
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hotdata.h

hotdata.h 1.8 KB
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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
    2. 

  2. #ifndef _NET_HOTDATA_H
    3. 

  3. #define _NET_HOTDATA_H
    4. 

  4. 

  5. #include <linux/llist.h>
    6. 

  6. #include <linux/types.h>
    7. 

  7. #include <linux/netdevice.h>
    8. 

  8. #include <net/protocol.h>
    9. 

  9. 

  10. struct skb_defer_node {
    11. 

  11. 	struct llist_head	defer_list;
    12. 

  12. 	atomic_long_t		defer_count;
    13. 

  13. } ____cacheline_aligned_in_smp;
    14. 

  14. 

  15. /* Read mostly data used in network fast paths. */
    16. 

  16. struct net_hotdata {
    17. 

  17. #if IS_ENABLED(CONFIG_INET)
    18. 

  18. 	struct packet_offload	ip_packet_offload;
    19. 

  19. 	struct net_offload	tcpv4_offload;
    20. 

  20. 	struct net_protocol	tcp_protocol;
    21. 

  21. 	struct net_offload 	udpv4_offload;
    22. 

  22. 	struct net_protocol	udp_protocol;
    23. 

  23. 	struct packet_offload	ipv6_packet_offload;
    24. 

  24. 	struct net_offload	tcpv6_offload;
    25. 

  25. #if IS_ENABLED(CONFIG_IPV6)
    26. 

  26. 	struct inet6_protocol	tcpv6_protocol;
    27. 

  27. 	struct inet6_protocol	udpv6_protocol;
    28. 

  28. #endif
    29. 

  29. 	struct net_offload	udpv6_offload;
    30. 

  30. #endif
    31. 

  31. 	struct list_head	offload_base;
    32. 

  32. 	struct kmem_cache	*skbuff_cache;
    33. 

  33. 	struct kmem_cache	*skbuff_fclone_cache;
    34. 

  34. 	struct kmem_cache	*skb_small_head_cache;
    35. 

  35. #ifdef CONFIG_RPS
    36. 

  36. 	struct rps_sock_flow_table __rcu *rps_sock_flow_table;
    37. 

  37. 	u32			rps_cpu_mask;
    38. 

  38. #endif
    39. 

  39. 	struct skb_defer_node __percpu *skb_defer_nodes;
    40. 

  40. 	int			gro_normal_batch;
    41. 

  41. 	int			netdev_budget;
    42. 

  42. 	int			netdev_budget_usecs;
    43. 

  43. 	int			tstamp_prequeue;
    44. 

  44. 	int			max_backlog;
    45. 

  45. 	int			qdisc_max_burst;
    46. 

  46. 	int			dev_tx_weight;
    47. 

  47. 	int			dev_rx_weight;
    48. 

  48. 	int			sysctl_max_skb_frags;
    49. 

  49. 	int			sysctl_skb_defer_max;
    50. 

  50. 	int			sysctl_mem_pcpu_rsv;
    51. 

  51. };
    52. 

  52. 

  53. #define inet_ehash_secret	net_hotdata.tcp_protocol.secret
    54. 

  54. #define udp_ehash_secret	net_hotdata.udp_protocol.secret
    55. 

  55. #define inet6_ehash_secret	net_hotdata.tcpv6_protocol.secret
    56. 

  56. #define tcp_ipv6_hash_secret	net_hotdata.tcpv6_offload.secret
    57. 

  57. #define udp6_ehash_secret	net_hotdata.udpv6_protocol.secret
    58. 

  58. #define udp_ipv6_hash_secret	net_hotdata.udpv6_offload.secret
    59. 

  59. 

  60. extern struct net_hotdata net_hotdata;
    61. 

  61. 

  62. #endif /* _NET_HOTDATA_H */
    63.