[RFC,1/3] drivers: add flow flush for DCF
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Commit Message
From: Qi Zhang <qi.z.zhang@intel.com>
Add support to enable DCF to flush flow rule created by the
previous DCF when multiple DCF feature is enabled.
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/common/iavf/virtchnl.h | 4 +++-
drivers/net/ice/ice_dcf.c | 16 ++++++++++++++++
drivers/net/ice/ice_dcf.h | 1 +
drivers/net/ice/ice_generic_flow.c | 7 +++++++
4 files changed, 27 insertions(+), 1 deletion(-)
@@ -128,7 +128,8 @@ enum virtchnl_ops {
VIRTCHNL_OP_DISABLE_CHANNELS = 31,
VIRTCHNL_OP_ADD_CLOUD_FILTER = 32,
VIRTCHNL_OP_DEL_CLOUD_FILTER = 33,
- /* opcodes 34, 35, 36, 37 and 38 are reserved */
+ /* opcodes 34, 35, 36 and 37 are reserved */
+ VIRTCHNL_OP_DCF_RULE_FLUSH = 38,
VIRTCHNL_OP_DCF_CMD_DESC = 39,
VIRTCHNL_OP_DCF_CMD_BUFF = 40,
VIRTCHNL_OP_DCF_DISABLE = 41,
@@ -1273,6 +1274,7 @@ virtchnl_vc_validate_vf_msg(struct virtchnl_version_info *ver, u32 v_opcode,
* so the validation needs to be done in PF's context.
*/
return 0;
+ case VIRTCHNL_OP_DCF_RULE_FLUSH:
case VIRTCHNL_OP_DCF_DISABLE:
case VIRTCHNL_OP_DCF_GET_VSI_MAP:
/* The two opcodes are required by DCF without message buffer,
@@ -1066,3 +1066,19 @@ ice_dcf_add_del_all_mac_addr(struct ice_dcf_hw *hw, bool add)
rte_free(list);
return err;
}
+
+int
+ice_dcf_flush_rules(struct ice_dcf_hw *hw)
+{
+ struct dcf_virtchnl_cmd args;
+ int err = 0;
+
+ memset(&args, 0, sizeof(args));
+ args.v_op = VIRTCHNL_OP_DCF_RULE_FLUSH;
+
+ err = ice_dcf_execute_virtchnl_cmd(hw, &args);
+ if (err)
+ PMD_DRV_LOG(WARNING, "fail to execute command OF_DCF_RULE_FLUSH, DCF role must be preempted.");
+
+ return 0;
+}
@@ -76,5 +76,6 @@ int ice_dcf_disable_queues(struct ice_dcf_hw *hw);
int ice_dcf_query_stats(struct ice_dcf_hw *hw,
struct virtchnl_eth_stats *pstats);
int ice_dcf_add_del_all_mac_addr(struct ice_dcf_hw *hw, bool add);
+int ice_dcf_flush_rules(struct ice_dcf_hw *hw);
#endif /* _ICE_DCF_H_ */
@@ -17,6 +17,7 @@
#include "ice_ethdev.h"
#include "ice_generic_flow.h"
+#include "ice_dcf.h"
/**
* Non-pipeline mode, fdir and switch both used as distributor,
@@ -2006,6 +2007,9 @@ ice_flow_flush(struct rte_eth_dev *dev,
struct rte_flow_error *error)
{
struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct ice_adapter *ad =
+ ICE_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
+ struct ice_dcf_hw *hw = ad->hw.aq_send_cmd_param;
struct rte_flow *p_flow;
void *temp;
int ret = 0;
@@ -2018,6 +2022,9 @@ ice_flow_flush(struct rte_eth_dev *dev,
}
}
+ if (ad->hw.dcf_enabled && hw->multi_inst)
+ return ice_dcf_flush_rules(ad->hw.aq_send_cmd_param);
+
return ret;
}