Re: ipv6 fragment checksum

2022-08-08 Thread Moritz Buhl
On Sun, Aug 07, 2022 at 12:41:29AM +0200, Alexander Bluhm wrote: > Hi, > > If interface drivers have enabled transmit offloading for the payload > checksum , IPv6 fragments contain invalid checksum. For fragments > the protocol checksum has to be calculated before fragmentation. > Hardware cannot

ipv6 fragment checksum

2022-08-06 Thread Alexander Bluhm
Hi, If interface drivers have enabled transmit offloading for the payload checksum , IPv6 fragments contain invalid checksum. For fragments the protocol checksum has to be calculated before fragmentation. Hardware cannot do this as it is too late. Do it earlier in software. ip_fragement() has s