DepSurf

Struct: softnet_data

Status

Regular

• In 4.4: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int cpu_collision;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct call_single_data csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_head;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 4.8: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      unsigned int input_queue_head;
      struct call_single_data csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 4.10: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      unsigned int input_queue_head;
      struct call_single_data csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 4.13: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      unsigned int input_queue_head;
      struct call_single_data csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 4.15: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 4.18: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.0: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.3: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.4: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.8: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.11: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.13: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.15: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In 5.19: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
      spinlock_t defer_lock;
      int defer_count;
      int defer_ipi_scheduled;
      struct sk_buff *defer_list;
      call_single_data_t defer_csd;
  };
  

• In 6.2: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int received_rps;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
      spinlock_t defer_lock;
      int defer_count;
      int defer_ipi_scheduled;
      struct sk_buff *defer_list;
      call_single_data_t defer_csd;
  };
  

• In 6.5: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      struct softnet_data *rps_ipi_list;
      bool in_net_rx_action;
      bool in_napi_threaded_poll;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int received_rps;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
      spinlock_t defer_lock;
      int defer_count;
      int defer_ipi_scheduled;
      struct sk_buff *defer_list;
      call_single_data_t defer_csd;
  };
  

• In 6.8: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      struct softnet_data *rps_ipi_list;
      bool in_net_rx_action;
      bool in_napi_threaded_poll;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int received_rps;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
      spinlock_t defer_lock;
      int defer_count;
      int defer_ipi_scheduled;
      struct sk_buff *defer_list;
      call_single_data_t defer_csd;
  };
  

Arch

• In arm64: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In armhf: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In ppc64el: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In riscv64: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

Flavor

• In aws: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In azure: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In gcp: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

• In lowlatency: ✅

  struct softnet_data {
      struct list_head poll_list;
      struct sk_buff_head process_queue;
      unsigned int processed;
      unsigned int time_squeeze;
      unsigned int received_rps;
      struct softnet_data *rps_ipi_list;
      struct sd_flow_limit *flow_limit;
      struct Qdisc *output_queue;
      struct Qdisc **output_queue_tailp;
      struct sk_buff *completion_queue;
      struct sk_buff_head xfrm_backlog;
      struct (anon) xmit;
      unsigned int input_queue_head;
      call_single_data_t csd;
      struct softnet_data *rps_ipi_next;
      unsigned int cpu;
      unsigned int input_queue_tail;
      unsigned int dropped;
      struct sk_buff_head input_pkt_queue;
      struct napi_struct backlog;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field removed. unsigned int cpu_collision
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• Changed between 4.13 and 4.15 ⚠️

  • Field type changed. struct call_single_data csd ➡️ call_single_data_t csd
• Changed between 4.15 and 4.18 ⚠️

  • Field added. struct sk_buff_head xfrm_backlog
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. struct (anon) xmit
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• No changes between 5.8 and 5.11 ✅
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. spinlock_t defer_lock
  • Field added. int defer_count
  • Field added. int defer_ipi_scheduled
  • Field added. struct sk_buff *defer_list
  • Field added. call_single_data_t defer_csd
• No changes between 5.19 and 6.2 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Field added. bool in_net_rx_action
  • Field added. bool in_napi_threaded_poll
• No changes between 6.5 and 6.8 ✅

Arch

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