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bnx2x: Ack unknown VF messages

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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>
This commit is contained in:
Ariel Elior 2013-05-27 04:08:28 +00:00 committed by David S. Miller
parent ca1ee4b259
commit 70ca5d746c
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
View file

@ -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);
}