Under IPv4, when I send a UDP packet with invalid checksum, kernel used
udp_rcv() to up packet to UDP layer, application used udp_recvmsg to
receive message. So if one UDP packet with invalid checksum is arrived
to host, UDP_MIB_INDATAGRAMS will be increased 1, UDP_MIB_INERRORS
should be increased
From: Wei Yongjun <[EMAIL PROTECTED]>
Date: Thu, 23 Feb 2006 16:03:18 -0500
> IPv4 UDP does not discard the datagram with invalid checksum. UDP can
> validate UDP checksums correctly only when socket filtering instructions
> is set. If socket filtering instructions is not set, datagram with
> inva
