Commit 70ca5d74 authored May 27, 2013 by Ariel Elior Committed by David S. Miller May 27, 2013

bnx2x: Ack unknown VF messages



A PF should ack the firmware when receiving unknown messages through the VF's
mailbox. This prevents the VF mailbox from being stuck in case of a VF sending
a message unknown to the PF (e.g. VF with more advanced version).

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ca1ee4b2

drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1605,8 +1605,11 @@ static void bnx2x_vf_mbx_request(struct bnx2x bp, struct bnx2x_virtf vf,
		bnx2x_vf_mbx_resp(bp, vf);
		} else {
		/* can't send a response since this VF is unknown to us
		* just unlock the channel and be done with.
		* just ack the FW to release the mailbox and unlock
		* the channel.
		*/
		storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
		mmiowb();
		bnx2x_unlock_vf_pf_channel(bp, vf,
		mbx->first_tlv.tl.type);
		}