From 87db27a9e21fdeb20f77a024b30b406915e083d6 Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Thu, 27 Aug 2015 11:42:42 -0400 Subject: i40e/i40evf: save aq writeback for future inspection Add the ability to save the AdminQ write back descriptor if a caller supplies a buffer for it to be saved into. Change-ID: I3d1301d26360b39a2d66dc8569e851f54133a3af Signed-off-by: Shannon Nelson Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_adminq.c | 4 ++++ drivers/net/ethernet/intel/i40e/i40e_adminq.h | 1 + drivers/net/ethernet/intel/i40evf/i40e_adminq.c | 4 ++++ drivers/net/ethernet/intel/i40evf/i40e_adminq.h | 1 + 4 files changed, 10 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 3e0d20037675..8a77f59f57aa 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -889,6 +889,10 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, "AQTX: desc and buffer writeback:\n"); i40e_debug_aq(hw, I40E_DEBUG_AQ_COMMAND, (void *)desc, buff, buff_size); + /* save writeback aq if requested */ + if (details->wb_desc) + *details->wb_desc = *desc_on_ring; + /* update the error if time out occurred */ if ((!cmd_completed) && (!details->async && !details->postpone)) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.h b/drivers/net/ethernet/intel/i40e/i40e_adminq.h index 28e519a50de4..b67b34c35533 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.h @@ -69,6 +69,7 @@ struct i40e_asq_cmd_details { u16 flags_dis; bool async; bool postpone; + struct i40e_aq_desc *wb_desc; }; #define I40E_ADMINQ_DETAILS(R, i) \ diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c index f08450b90774..15c8ac892704 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.c @@ -830,6 +830,10 @@ i40e_status i40evf_asq_send_command(struct i40e_hw *hw, i40evf_debug_aq(hw, I40E_DEBUG_AQ_COMMAND, (void *)desc, buff, buff_size); + /* save writeback aq if requested */ + if (details->wb_desc) + *details->wb_desc = *desc_on_ring; + /* update the error if time out occurred */ if ((!cmd_completed) && (!details->async && !details->postpone)) { diff --git a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h index ef43d68f67b3..547b79b81ffe 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_adminq.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_adminq.h @@ -69,6 +69,7 @@ struct i40e_asq_cmd_details { u16 flags_dis; bool async; bool postpone; + struct i40e_aq_desc *wb_desc; }; #define I40E_ADMINQ_DETAILS(R, i) \ -- cgit v1.2.3