website-struct

Struct: bpf_map_info

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
  };
  

• In 4.15: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
  };
  

• In 4.18: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.0: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.3: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.4: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.8: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.11: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.13: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.15: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In 5.19: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
      __u64 map_extra;
  };
  

• In 6.2: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
      __u64 map_extra;
  };
  

• In 6.5: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
      __u64 map_extra;
  };
  

• In 6.8: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u32 btf_vmlinux_value_type_id;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
      __u64 map_extra;
  };
  

Arch

• In arm64: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In armhf: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In ppc64el: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In riscv64: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

Flavor

• In aws: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In azure: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In gcp: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

• In lowlatency: ✅

  struct bpf_map_info {
      __u32 type;
      __u32 id;
      __u32 key_size;
      __u32 value_size;
      __u32 max_entries;
      __u32 map_flags;
      char name[16];
      __u32 ifindex;
      __u64 netns_dev;
      __u64 netns_ino;
      __u32 btf_id;
      __u32 btf_key_type_id;
      __u32 btf_value_type_id;
  };
  

Differences

Regular

• Changed between 4.13 and 4.15 ⚠️

  • Field added. char name[16]
• Changed between 4.15 and 4.18 ⚠️

  • Field added. __u32 ifindex
  • Field added. __u64 netns_dev
  • Field added. __u64 netns_ino
  • Field added. __u32 btf_id
  • Field added. __u32 btf_key_type_id
  • Field added. __u32 btf_value_type_id
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. __u32 btf_vmlinux_value_type_id
• 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. __u64 map_extra
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• 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 ✅