website-struct

Struct: sock

Status

Regular

• In 4.4: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      __u32 sk_txhash;
      unsigned int sk_napi_id;
      unsigned int sk_ll_usec;
      atomic_t sk_drops;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_wmem_alloc;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      struct sk_buff_head sk_write_queue;
      unsigned int sk_shutdown;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      int sk_wmem_queued;
      gfp_t sk_allocation;
      u32 sk_pacing_rate;
      u32 sk_max_pacing_rate;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      u16 sk_gso_max_segs;
      int sk_rcvlowat;
      long unsigned int sk_lingertime;
      struct sk_buff_head sk_error_queue;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      __u32 sk_priority;
      __u32 sk_cgrp_prioidx;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u32 sk_tskey;
      struct socket *sk_socket;
      void *sk_user_data;
      struct page_frag sk_frag;
      struct sk_buff *sk_send_head;
      __s32 sk_peek_off;
      int sk_write_pending;
      void *sk_security;
      __u32 sk_mark;
      u32 sk_classid;
      struct cg_proto *sk_cgrp;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
  };
  

• In 4.8: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      __u32 sk_txhash;
      unsigned int sk_napi_id;
      unsigned int sk_ll_usec;
      atomic_t sk_drops;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_wmem_alloc;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      struct sk_buff_head sk_write_queue;
      unsigned int sk_padding;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      int sk_wmem_queued;
      gfp_t sk_allocation;
      u32 sk_pacing_rate;
      u32 sk_max_pacing_rate;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      u16 sk_gso_max_segs;
      int sk_rcvlowat;
      long unsigned int sk_lingertime;
      struct sk_buff_head sk_error_queue;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      __u32 sk_priority;
      __u32 sk_mark;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      struct socket *sk_socket;
      void *sk_user_data;
      struct page_frag sk_frag;
      struct sk_buff *sk_send_head;
      __s32 sk_peek_off;
      int sk_write_pending;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct callback_head sk_rcu;
  };
  

• In 4.10: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      atomic_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      u32 sk_pacing_rate;
      u32 sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct callback_head sk_rcu;
  };
  

• In 4.13: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      u32 sk_pacing_rate;
      u32 sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct callback_head sk_rcu;
  };
  

• In 4.15: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      u32 sk_pacing_rate;
      u32 sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct callback_head sk_rcu;
  };
  

• In 4.18: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      u32 sk_pacing_rate;
      u32 sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct callback_head sk_rcu;
  };
  

• In 5.0: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct callback_head sk_rcu;
  };
  

• In 5.3: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In 5.4: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In 5.8: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_padding;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In 5.11: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_padding;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In 5.13: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_padding;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In 5.15: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      int sk_rx_dst_ifindex;
      u32 sk_rx_dst_cookie;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_padding;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      spinlock_t sk_peer_lock;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      int sk_bind_phc;
      u8 sk_shutdown;
      atomic_t sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In 5.19: ✅

  struct sock {
      struct sock_common __sk_common;
      struct dst_entry *sk_rx_dst;
      int sk_rx_dst_ifindex;
      u32 sk_rx_dst_cookie;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      u32 sk_reserved_mem;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_gso_disabled;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_txrehash;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      spinlock_t sk_peer_lock;
      int sk_bind_phc;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      atomic_t sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
      netns_tracker ns_tracker;
  };
  

• In 6.2: ✅

  struct sock {
      struct sock_common __sk_common;
      struct dst_entry *sk_rx_dst;
      int sk_rx_dst_ifindex;
      u32 sk_rx_dst_cookie;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      u32 sk_reserved_mem;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_gso_disabled;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_txrehash;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      spinlock_t sk_peer_lock;
      int sk_bind_phc;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      atomic_t sk_tskey;
      atomic_t sk_zckey;
      u32 sk_tsflags;
      u8 sk_shutdown;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      bool sk_use_task_frag;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
      netns_tracker ns_tracker;
      struct hlist_node sk_bind2_node;
  };
  

• In 6.5: ✅

  struct sock {
      struct sock_common __sk_common;
      struct dst_entry *sk_rx_dst;
      int sk_rx_dst_ifindex;
      u32 sk_rx_dst_cookie;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      u32 sk_reserved_mem;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      int sk_wait_pending;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_gso_disabled;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_txrehash;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      spinlock_t sk_peer_lock;
      int sk_bind_phc;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      atomic_t sk_tskey;
      atomic_t sk_zckey;
      u32 sk_tsflags;
      u8 sk_shutdown;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      bool sk_use_task_frag;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
      netns_tracker ns_tracker;
      struct hlist_node sk_bind2_node;
  };
  

• In 6.8: ✅

  struct sock {
      struct sock_common __sk_common;
      struct dst_entry *sk_rx_dst;
      int sk_rx_dst_ifindex;
      u32 sk_rx_dst_cookie;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      u32 sk_reserved_mem;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      int sk_disconnects;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      u8 sk_gso_disabled;
      u8 sk_kern_sock;
      u8 sk_no_check_tx;
      u8 sk_no_check_rx;
      u8 sk_userlocks;
      u8 sk_pacing_shift;
      u16 sk_type;
      u16 sk_protocol;
      u16 sk_gso_max_segs;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      u8 sk_txrehash;
      u8 sk_prefer_busy_poll;
      u16 sk_busy_poll_budget;
      spinlock_t sk_peer_lock;
      int sk_bind_phc;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      atomic_t sk_tskey;
      atomic_t sk_zckey;
      u32 sk_tsflags;
      u8 sk_shutdown;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      bool sk_use_task_frag;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_local_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
      netns_tracker ns_tracker;
  };
  

Arch

• In arm64: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In armhf: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      seqlock_t sk_stamp_seq;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In ppc64el: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In riscv64: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

Flavor

• In aws: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In azure: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In gcp: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

• In lowlatency: ✅

  struct sock {
      struct sock_common __sk_common;
      socket_lock_t sk_lock;
      atomic_t sk_drops;
      int sk_rcvlowat;
      struct sk_buff_head sk_error_queue;
      struct sk_buff *sk_rx_skb_cache;
      struct sk_buff_head sk_receive_queue;
      struct (anon) sk_backlog;
      int sk_forward_alloc;
      unsigned int sk_ll_usec;
      unsigned int sk_napi_id;
      int sk_rcvbuf;
      struct sk_filter *sk_filter;
      struct socket_wq *sk_wq;
      struct socket_wq *sk_wq_raw;
      struct xfrm_policy * sk_policy[2];
      struct dst_entry *sk_rx_dst;
      struct dst_entry *sk_dst_cache;
      atomic_t sk_omem_alloc;
      int sk_sndbuf;
      int sk_wmem_queued;
      refcount_t sk_wmem_alloc;
      long unsigned int sk_tsq_flags;
      struct sk_buff *sk_send_head;
      struct rb_root tcp_rtx_queue;
      struct sk_buff *sk_tx_skb_cache;
      struct sk_buff_head sk_write_queue;
      __s32 sk_peek_off;
      int sk_write_pending;
      __u32 sk_dst_pending_confirm;
      u32 sk_pacing_status;
      long int sk_sndtimeo;
      struct timer_list sk_timer;
      __u32 sk_priority;
      __u32 sk_mark;
      long unsigned int sk_pacing_rate;
      long unsigned int sk_max_pacing_rate;
      struct page_frag sk_frag;
      netdev_features_t sk_route_caps;
      netdev_features_t sk_route_nocaps;
      netdev_features_t sk_route_forced_caps;
      int sk_gso_type;
      unsigned int sk_gso_max_size;
      gfp_t sk_allocation;
      __u32 sk_txhash;
      unsigned int __sk_flags_offset[0];
      unsigned int sk_padding;
      unsigned int sk_kern_sock;
      unsigned int sk_no_check_tx;
      unsigned int sk_no_check_rx;
      unsigned int sk_userlocks;
      unsigned int sk_protocol;
      unsigned int sk_type;
      u16 sk_gso_max_segs;
      u8 sk_pacing_shift;
      long unsigned int sk_lingertime;
      struct proto *sk_prot_creator;
      rwlock_t sk_callback_lock;
      int sk_err;
      int sk_err_soft;
      u32 sk_ack_backlog;
      u32 sk_max_ack_backlog;
      kuid_t sk_uid;
      struct pid *sk_peer_pid;
      const struct cred *sk_peer_cred;
      long int sk_rcvtimeo;
      ktime_t sk_stamp;
      u16 sk_tsflags;
      u8 sk_shutdown;
      u32 sk_tskey;
      atomic_t sk_zckey;
      u8 sk_clockid;
      u8 sk_txtime_deadline_mode;
      u8 sk_txtime_report_errors;
      u8 sk_txtime_unused;
      struct socket *sk_socket;
      void *sk_user_data;
      void *sk_security;
      struct sock_cgroup_data sk_cgrp_data;
      struct mem_cgroup *sk_memcg;
      void (*sk_state_change)(struct sock *);
      void (*sk_data_ready)(struct sock *);
      void (*sk_write_space)(struct sock *);
      void (*sk_error_report)(struct sock *);
      int (*sk_backlog_rcv)(struct sock *, struct sk_buff *);
      struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *);
      void (*sk_destruct)(struct sock *);
      struct sock_reuseport *sk_reuseport_cb;
      struct bpf_sk_storage *sk_bpf_storage;
      struct callback_head sk_rcu;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. unsigned int sk_padding
  • Field added. struct sock_cgroup_data sk_cgrp_data
  • Field added. struct mem_cgroup *sk_memcg
  • Field added. struct sock_reuseport *sk_reuseport_cb
  • Field added. struct callback_head sk_rcu
  • Field removed. __u32 sk_cgrp_prioidx
  • Field removed. u32 sk_classid
  • Field removed. struct cg_proto *sk_cgrp
  • Field type changed. unsigned int sk_shutdown ➡️ u8 sk_shutdown
• Changed between 4.8 and 4.10 ⚠️

  • Field added. long unsigned int sk_tsq_flags
  • Field added. unsigned int __sk_flags_offset[0]
  • Field added. kuid_t sk_uid
• Changed between 4.10 and 4.13 ⚠️

  • Field added. __u32 sk_dst_pending_confirm
  • Field added. u32 sk_pacing_status
  • Field added. unsigned int sk_kern_sock
  • Field type changed. atomic_t sk_wmem_alloc ➡️ refcount_t sk_wmem_alloc
• Changed between 4.13 and 4.15 ⚠️

  • Field added. struct rb_root tcp_rtx_queue
  • Field added. u8 sk_pacing_shift
  • Field added. atomic_t sk_zckey
• Changed between 4.15 and 4.18 ⚠️

  • Field added. netdev_features_t sk_route_forced_caps
  • Field added. struct sk_buff * (*sk_validate_xmit_skb)(struct sock *, struct net_device *, struct sk_buff *)
• Changed between 4.18 and 5.0 ⚠️

  • Field added. u8 sk_clockid
  • Field added. u8 sk_txtime_deadline_mode
  • Field added. u8 sk_txtime_report_errors
  • Field added. u8 sk_txtime_unused
  • Field type changed. u32 sk_pacing_rate ➡️ long unsigned int sk_pacing_rate
  • Field type changed. u32 sk_max_pacing_rate ➡️ long unsigned int sk_max_pacing_rate
• Changed between 5.0 and 5.3 ⚠️

  • Field added. struct sk_buff *sk_rx_skb_cache
  • Field added. struct sk_buff *sk_tx_skb_cache
  • Field added. struct bpf_sk_storage *sk_bpf_storage
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field removed. unsigned int __sk_flags_offset[0]
  • Field type changed. unsigned int sk_padding ➡️ u8 sk_padding
  • Field type changed. unsigned int sk_kern_sock ➡️ u8 sk_kern_sock
  • Field type changed. unsigned int sk_no_check_tx ➡️ u8 sk_no_check_tx
  • Field type changed. unsigned int sk_no_check_rx ➡️ u8 sk_no_check_rx
  • Field type changed. unsigned int sk_userlocks ➡️ u8 sk_userlocks
  • Field type changed. unsigned int sk_protocol ➡️ u16 sk_protocol
  • Field type changed. unsigned int sk_type ➡️ u16 sk_type
• Changed between 5.8 and 5.11 ⚠️

  • Field added. u8 sk_prefer_busy_poll
  • Field added. u16 sk_busy_poll_budget
  • Field type changed. struct bpf_sk_storage *sk_bpf_storage ➡️ struct bpf_local_storage *sk_bpf_storage
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. int sk_rx_dst_ifindex
  • Field added. u32 sk_rx_dst_cookie
  • Field added. spinlock_t sk_peer_lock
  • Field added. int sk_bind_phc
  • Field type changed. u32 sk_tskey ➡️ atomic_t sk_tskey
• Changed between 5.15 and 5.19 ⚠️

  • Field added. u32 sk_reserved_mem
  • Field added. u8 sk_gso_disabled
  • Field added. u8 sk_txrehash
  • Field added. netns_tracker ns_tracker
  • Field removed. struct sk_buff *sk_rx_skb_cache
  • Field removed. struct sk_buff *sk_tx_skb_cache
  • Field removed. netdev_features_t sk_route_nocaps
  • Field removed. netdev_features_t sk_route_forced_caps
  • Field removed. u8 sk_padding
• Changed between 5.19 and 6.2 ⚠️

  • Field added. bool sk_use_task_frag
  • Field added. struct hlist_node sk_bind2_node
  • Field type changed. u16 sk_tsflags ➡️ u32 sk_tsflags
• Changed between 6.2 and 6.5 ⚠️

  • Field added. int sk_wait_pending
• Changed between 6.5 and 6.8 ⚠️

  • Field added. int sk_disconnects
  • Field removed. int sk_wait_pending
  • Field removed. struct hlist_node sk_bind2_node

Arch

• No changes between amd64 and arm64 ✅
• Changed between amd64 and armhf ⚠️

  • Field added. seqlock_t sk_stamp_seq
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅