• David S. Miller's avatar
    inetpeer: Add redirect and PMTU discovery cached info. · ddd4aa42
    David S. Miller authored
    Validity of the cached PMTU information is indicated by it's
    expiration value being non-zero, just as per dst->expires.
    The scheme we will use is that we will remember the pre-ICMP value
    held in the metrics or route entry, and then at expiration time
    we will restore that value.
    In this way PMTU expiration does not kill off the cached route as is
    done currently.
    Redirect information is permanent, or at least until another redirect
    is received.
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
inetpeer.h 2.87 KB