Hi Mohammed, OK, so I added the same printks further down in that function. There is a memcpy in there, and I added the same debug just after the memcpy. And, the eth_hdr->h_dest has been changed to a wrong MAC address - by something. And, it must be something wrong in skb_push . Regards Nick > Message Received: Mar 21 2013, 02:09 PM > From: nick@xxxxxxxxxxxxxxxxxxxxxxxx > To: "Mohammed Shafi" > Cc: linux-wireless@xxxxxxxxxxxxxxx > Subject: Re: ath6kl_usb - ping problems when compiled for sh4. > > > Hi Mohammed, > > I've added some debug at the top of ath6kl_wmi_dix_2_dot3 function. > > Just after: > > eth_hdr = (struct ethhdr *) skb->data; > type = eth_hdr->h_proto; > > I added some debug to print all the values of eth_hdr->h_dest and eth_hdr->h_source . > And, all look correct at that point. > > Regards > > Nick > > > > Message Received: Mar 21 2013, 01:35 PM > > From: nick@xxxxxxxxxxxxxxxxxxxxxxxx > > To: "Mohammed Shafi" > > Cc: linux-wireless@xxxxxxxxxxxxxxx > > Subject: Re: ath6kl_usb - ping problems when compiled for sh4. > > > > Hi Mohammed, > > > > What do you need to me to do on this? > > I see that function in the wmi.c file. > > > > Do you want me to add some debug printk's in there somewhere? > > > > Regards > > > > Nick > > > > > Message Received: Mar 21 2013, 11:42 AM > > > From: "Mohammed Shafi" > > > To: nick@xxxxxxxxxxxxxxxxxxxxxxxx > > > Cc: linux-wireless@xxxxxxxxxxxxxxx > > > Subject: Re: ath6kl_usb - ping problems when compiled for sh4. > > > > > > On Wed, Mar 20, 2013 at 10:33 PM, wrote: > > > > > > > > Here is another example, taken from Wireshark. > > > > It's an ARP response, effectively saying IP address 192.168.0.107 is at 00:03:7f:20:50:59 > > > > > > > > This is a message coming out of the wifi adaptor, and the above numbers are the IP address, and MAC address of the wifi device. > > > > > > > > 7f 20 50 59 00 24 00 03 7f 20 50 59 08 06 00 01 > > > > 08 00 06 04 00 02 00 03 7f 20 50 59 c0 a8 00 07 > > > > 20 cf 30 94 83 7b c0 a8 00 65 > > > > > > > > What we see here is the Destination MAC address is 7f:20:50:59:00:24 (first 6 bytes). > > > > But that's wrong. It should be 20:cf:30:94:83:7b . > > > > > > > > The other parts look right though: > > > > 00:03:7f:20:50:59 is the MAC of the wifi device. > > > > c0 a8 00 65 is 192.168.0.101 which is the IP address of the destination. > > > > c0 a8 00 07 is the IP address of the wifi adaptor itself. > > > > > > let us check in ath6kl_wmi_dix_2_dot3, that should give us some clue. > > > > > > > > > > > So, where in the code is the first 6 bytes generated ? > > > > > > > > > > > > Regards > > > > > > > > Nick > > > > > > > > > > > > -- > > > thanks, > > > shafi > > > -- > > > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
