tree a381b84090a21f1509be73a918f121400cf7effd
parent f38ae55558f65d753a855dbadfa2ae4fed0bbf8f
author Bhargav Shah <c_bhargv@qti.qualcomm.com> 1455290398 +0530
committer Satyanarayana Dash <sadash@codeaurora.org> 1455616877 +0530

wlan: Recovery logic for bigger received packet

In current code, kernel crash if DXE copied more then VPKT_SIZE_BUFFER.
Rather then crashing kernel, we can recover by discarding
this packet. We are storing RXBD, PMI bytes, skb head and tail
in a global circular buffer before discarding this packet. When
DXE copies more then 4096 bytes, no point in recovering as it
can corrupt next packet. So crash only when packet lengh is
more then one page(4096 bytes).

Change-Id: I8a676ca6f41d1bbaf3f76b9eb7c1efbbadd5c2ec
CRs-Fixed: 968395