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    Subject[PATCH 5.10 143/146] tools headers UAPI: Sync linux/in.h copy with the kernel sources
    Date
    From: Arnaldo Carvalho de Melo <acme@redhat.com>

    commit 1792a59eab9593de2eae36c40c5a22d70f52c026 upstream.

    To pick the changes in:

    321827477360934d ("icmp: don't send out ICMP messages with a source address of 0.0.0.0")

    That don't result in any change in tooling, as INADDR_ are not used to
    generate id->string tables used by 'perf trace'.

    This addresses this build warning:

    Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
    diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h

    Cc: David S. Miller <davem@davemloft.net>
    Cc: Toke Høiland-Jørgensen <toke@redhat.com>
    Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    tools/include/uapi/linux/in.h | 3 +++
    1 file changed, 3 insertions(+)

    --- a/tools/include/uapi/linux/in.h
    +++ b/tools/include/uapi/linux/in.h
    @@ -289,6 +289,9 @@ struct sockaddr_in {
    /* Address indicating an error return. */
    #define INADDR_NONE ((unsigned long int) 0xffffffff)

    +/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */
    +#define INADDR_DUMMY ((unsigned long int) 0xc0000008)
    +
    /* Network number for local host loopback. */
    #define IN_LOOPBACKNET 127


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