website-struct

Struct: msghdr

Status

Regular

• In 4.4: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 4.8: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 4.10: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 4.13: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 4.15: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 4.18: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.0: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.3: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.4: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.8: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.11: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.13: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.15: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In 5.19: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      int msg_inq;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      bool msg_get_inq;
      unsigned int msg_flags;
      __kernel_size_t msg_controllen;
      struct kiocb *msg_iocb;
  };
  

• In 6.2: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      int msg_inq;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      bool msg_get_inq;
      unsigned int msg_flags;
      __kernel_size_t msg_controllen;
      struct kiocb *msg_iocb;
      struct ubuf_info *msg_ubuf;
      int (*sg_from_iter)(struct sock *, struct sk_buff *, struct iov_iter *, size_t);
  };
  

• In 6.5: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      int msg_inq;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      bool msg_get_inq;
      unsigned int msg_flags;
      __kernel_size_t msg_controllen;
      struct kiocb *msg_iocb;
      struct ubuf_info *msg_ubuf;
      int (*sg_from_iter)(struct sock *, struct sk_buff *, struct iov_iter *, size_t);
  };
  

• In 6.8: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      int msg_inq;
      struct iov_iter msg_iter;
      void *msg_control;
      void *msg_control_user;
      bool msg_control_is_user;
      bool msg_get_inq;
      unsigned int msg_flags;
      __kernel_size_t msg_controllen;
      struct kiocb *msg_iocb;
      struct ubuf_info *msg_ubuf;
      int (*sg_from_iter)(struct sock *, struct sk_buff *, struct iov_iter *, size_t);
  };
  

Arch

• In arm64: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In armhf: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In ppc64el: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In riscv64: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

Flavor

• In aws: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In azure: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In gcp: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

• In lowlatency: ✅

  struct msghdr {
      void *msg_name;
      int msg_namelen;
      struct iov_iter msg_iter;
      void *msg_control;
      __kernel_size_t msg_controllen;
      unsigned int msg_flags;
      struct kiocb *msg_iocb;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• 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. void *msg_control_user
  • Field added. bool msg_control_is_user
• 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. int msg_inq
  • Field added. bool msg_get_inq
• Changed between 5.19 and 6.2 ⚠️

  • Field added. struct ubuf_info *msg_ubuf
  • Field added. int (*sg_from_iter)(struct sock *, struct sk_buff *, struct iov_iter *, size_t)
• 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 ✅