Re: gianfar: incorrect TCP checksum when timestamps are enabled

2011-01-16 Thread Alex Dubov
Hi. It seems, to have TCP working at all with the recent kernel git I have to clear the NETIF_F_IP_CSUM feature of the gianfar driver, otherwise checksums turn out to be incorrect. Does anybody have a clue on where the actual problem may be? _

gianfar: incorrect TCP checksum when timestamps are enabled

2011-01-09 Thread Alex Dubov
Greetings. I'm working on MPC8548 based board (I started with 2.6.37-rc7, now upgraded to post release 2.6.37 git head). It so appears, that when tcp timestamps are enabled (default setting) TCP checksums of outgoing SYN packets are calculated incorrectly. This causes remote machines to reject su