[net-next 12/16] ice: flush Tx pipe on disable queue timeout

[Jeff Kirsher]

From: Victor Raj <victor....@intel.com>

Set the flush Tx pipe flag instead of getting an EAGAIN error when FW
times out in processing the disable Tx queue command.

Signed-off-by: Victor Raj <victor....@intel.com>
Reviewed-by: Bruce Allan <bruce.w.al...@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkatarama...@intel.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/ice/ice_common.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/ice/ice_common.c 
b/drivers/net/ethernet/intel/ice/ice_common.c
index b17ade424423..63f003441300 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -2450,6 +2450,7 @@ ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
 {
        struct ice_aqc_dis_txqs *cmd;
        struct ice_aq_desc desc;
+       enum ice_status status;
        u16 i, sz = 0;
 
        cmd = &desc.params.dis_txqs;
@@ -2485,6 +2486,8 @@ ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
                break;
        }
 
+       /* flush pipe on time out */
+       cmd->cmd_type |= ICE_AQC_Q_DIS_CMD_FLUSH_PIPE;
        /* If no queue group info, we are in a reset flow. Issue the AQ */
        if (!qg_list)
                goto do_aq;
@@ -2510,7 +2513,17 @@ ice_aq_dis_lan_txq(struct ice_hw *hw, u8 num_qgrps,
                return ICE_ERR_PARAM;
 
 do_aq:
-       return ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
+       status = ice_aq_send_cmd(hw, &desc, qg_list, buf_size, cd);
+       if (status) {
+               if (!qg_list)
+                       ice_debug(hw, ICE_DBG_SCHED, "VM%d disable failed %d\n",
+                                 vmvf_num, hw->adminq.sq_last_status);
+               else
+                       ice_debug(hw, ICE_DBG_SCHED, "disable Q %d failed %d\n",
+                                 le16_to_cpu(qg_list[0].q_id[0]),
+                                 hw->adminq.sq_last_status);
+       }
+       return status;
 }
 
 /* End of FW Admin Queue command wrappers */
@@ -2796,8 +2809,12 @@ ice_ena_vsi_txq(struct ice_port_info *pi, u16 
vsi_handle, u8 tc, u8 num_qgrps,
 
        /* add the lan q */
        status = ice_aq_add_lan_txq(hw, num_qgrps, buf, buf_size, cd);
-       if (status)
+       if (status) {
+               ice_debug(hw, ICE_DBG_SCHED, "enable Q %d failed %d\n",
+                         le16_to_cpu(buf->txqs[0].txq_id),
+                         hw->adminq.sq_last_status);
                goto ena_txq_exit;
+       }
 
        node.node_teid = buf->txqs[0].q_teid;
        node.data.elem_type = ICE_AQC_ELEM_TYPE_LEAF;
-- 
2.20.1