From: YOSHIFUJI Hideaki / 吉藤英明 <[EMAIL PROTECTED]> Date: Tue, 22 May 2007 18:36:47 +0900 (JST)
> In article <[EMAIL PROTECTED]> (at Tue, 22 May 2007 10:57:38 +0200), Eric > Dumazet <[EMAIL PROTECTED]> says: > > > > I have tried to set up quagga with tcp-md5 support from kernel. All seems > > > ok > > > with a intel e100 NIC, but as i testetd with a intel e1000 NIC the tcp > > > packets have an invalid md5 digest. > > > If i run tcpdump on the mashine the packets are generated, it shows on the > > > outgoing interface invalid md5 digests. > > > Are there known issues about tcp-md5 and e1000 NICs? > : > > You could try "ethtool -K tx off", and/or other ethtool -K settings > > Disabling offloading should help; currently tcp-md5 stack > blindly copy md5-signature from the first segment > which is not appropriate for rest of segments. It is clear we should disable TSO for sockets making use of TCP-MD5. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html