wireless lan, defragmentation in driver module.

2005-07-05 Thread P Lavin
Hi, I need help in the following issue, i'll explain the mechanisum & the problem i'm facing, 1) In the existing wireless lan driver we've MPDU's & MSDU's, all the MPDU's are handled by the firmware where as all the MSDU's by the driver. Now i need to implement 802.11E protocol based block a

wireless lan, defragmentation in driver module.

2005-07-04 Thread P Lavin
Hi, I need help in the following issue, i'll explain the mechanisum & the problem i'm facing, 1) In the existing wireless lan driver we've MPDU's & MSDU's, all the MPDU's are handled by the firmware where as all the MSDU's by the driver. Now i need to implement 802.11E protocol based block a

Re: Linux kernel TI TLAN driver

2005-04-22 Thread P Lavin
Can you send me the oops capture ?? Atro Tossavainen wrote: Hi, I got my hands on a Texas Instruments ThunderLAN PCI 100 Mbit card (PCI ID 104c:0500), which is what SGI are supplying if you want a second NIC in your O2. It appears that this card is not supported by the tlan driver in the Linux ker

Re: kernel panic and then oops

2005-04-22 Thread P Lavin
Hi Aaron, > Unable to handle kernel paging > request at virtual address b9e9168a This message is comming because a page fault has occured at virtual address b9e9168a . This means the requested page was not available in the virtual memory. When i got these kind of errors in my WLAN driver kernel

Re: no need to check for NULL before calling kfree() -fs/ext2/

2005-03-30 Thread P Lavin
as happening was 201 sndpkt->buf_list->start_addr = buf; was not getting initailised & wn we try to access this variable latter this was crashing. Actally i'm not checking for return value from kmalloc thatz a mistake, I'll fix this but why is it not crashing in line # 201 ??

Re: no need to check for NULL before calling kfree() -fs/ext2/

2005-03-29 Thread P Lavin
Hi, In my wlan driver module, i allocated some memory using kmalloc in interrupt context, this one failed but its not returning NULL , so i was proceeding further everything was going wrong... & finally the kernel crahed. Can any one of you tell me why this is happening ? i cannot use GFP_KERNE