[v4,3/7] net/ice: acquire and disable the DCF capability
diff mbox series

Message ID 20200326030346.32907-4-haiyue.wang@intel.com
State Superseded
Delegated to: xiaolong ye
Headers show
Series
  • add Intel DCF PMD support
Related show

Checks

Context Check Description
ci/Intel-compilation fail Compilation issues
ci/checkpatch success coding style OK

Commit Message

Wang, Haiyue March 26, 2020, 3:03 a.m. UTC
Since the DCF (Device Config Function) controls the flow setting of
other VFs by the mailbox with PF, for security, it needs to acquire
the DCF capability from PF when starts, and disable it when exits.

Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
---
 drivers/net/ice/ice_dcf.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

Patch
diff mbox series

diff --git a/drivers/net/ice/ice_dcf.c b/drivers/net/ice/ice_dcf.c
index 0a99cceb1..6ea68feb9 100644
--- a/drivers/net/ice/ice_dcf.c
+++ b/drivers/net/ice/ice_dcf.c
@@ -227,7 +227,7 @@  ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
 	int err, i;
 
 	caps = VIRTCHNL_VF_OFFLOAD_WB_ON_ITR | VIRTCHNL_VF_OFFLOAD_RX_POLLING |
-	       VIRTCHNL_VF_CAP_ADV_LINK_SPEED |
+	       VIRTCHNL_VF_CAP_ADV_LINK_SPEED | VIRTCHNL_VF_CAP_DCF |
 	       VF_BASE_MODE_OFFLOADS;
 
 	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_GET_VF_RESOURCES,
@@ -264,6 +264,30 @@  ice_dcf_get_vf_resource(struct ice_dcf_hw *hw)
 	return 0;
 }
 
+static int
+ice_dcf_mode_disable(struct ice_dcf_hw *hw)
+{
+	int err;
+
+	err = ice_dcf_send_cmd_req_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
+					  NULL, 0);
+	if (err) {
+		PMD_DRV_LOG(ERR, "Failed to send msg OP_DCF_DISABLE");
+		return err;
+	}
+
+	err = ice_dcf_recv_cmd_rsp_no_irq(hw, VIRTCHNL_OP_DCF_DISABLE,
+					  hw->arq_buf, ICE_DCF_AQ_BUF_SZ, NULL);
+	if (err) {
+		PMD_DRV_LOG(ERR,
+			    "Failed to get response of OP_DCF_DISABLE %d",
+			    err);
+		return -1;
+	}
+
+	return 0;
+}
+
 static int
 ice_dcf_check_reset_done(struct ice_dcf_hw *hw)
 {
@@ -467,6 +491,7 @@  ice_dcf_uninit_hw(struct rte_eth_dev *eth_dev, struct ice_dcf_hw *hw)
 	rte_intr_callback_unregister(intr_handle,
 				     ice_dcf_dev_interrupt_handler, hw);
 
+	ice_dcf_mode_disable(hw);
 	iavf_shutdown_adminq(&hw->avf);
 
 	rte_free(hw->arq_buf);