net/ice/base: add functions to get VSI promiscuous mode

1. ice_get_vsi_promisc - get promiscuous mode of give VSI.
2. ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI.

PMD may use these APIs to check the real HW status, but not rely on
a software flag when something abnormal.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Reviewed-by: Qiming Yang <qiming.yang@intel.com>
Reviewed-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 26fc0b4..e4024a0 100644 (file)
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -2894,6 +2894,85 @@ static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
        return promisc_mask;
 }
 
+/**
+ * ice_get_vsi_promisc - get promiscuous mode of given VSI
+ * @hw: pointer to the hardware structure
+ * @vsi_handle: VSI handle to retrieve info from
+ * @promisc_mask: pointer to mask to be filled in
+ * @vid: VLAN ID of promisc VLAN VSI
+ */
+enum ice_status
+ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
+                   u16 *vid)
+{
+       struct ice_switch_info *sw = hw->switch_info;
+       struct ice_fltr_mgmt_list_entry *itr;
+       struct LIST_HEAD_TYPE *rule_head;
+       struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
+
+       if (!ice_is_vsi_valid(hw, vsi_handle))
+               return ICE_ERR_PARAM;
+
+       *vid = 0;
+       *promisc_mask = 0;
+       rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules;
+       rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock;
+
+       ice_acquire_lock(rule_lock);
+       LIST_FOR_EACH_ENTRY(itr, rule_head,
+                           ice_fltr_mgmt_list_entry, list_entry) {
+               /* Continue if this filter doesn't apply to this VSI or the
+                * VSI ID is not in the VSI map for this filter
+                */
+               if (!ice_vsi_uses_fltr(itr, vsi_handle))
+                       continue;
+
+               *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
+       }
+       ice_release_lock(rule_lock);
+
+       return ICE_SUCCESS;
+}
+
+/**
+ * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
+ * @hw: pointer to the hardware structure
+ * @vsi_handle: VSI handle to retrieve info from
+ * @promisc_mask: pointer to mask to be filled in
+ * @vid: VLAN ID of promisc VLAN VSI
+ */
+enum ice_status
+ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
+                        u16 *vid)
+{
+       struct ice_switch_info *sw = hw->switch_info;
+       struct ice_fltr_mgmt_list_entry *itr;
+       struct LIST_HEAD_TYPE *rule_head;
+       struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
+
+       if (!ice_is_vsi_valid(hw, vsi_handle))
+               return ICE_ERR_PARAM;
+
+       *vid = 0;
+       *promisc_mask = 0;
+       rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules;
+       rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock;
+
+       ice_acquire_lock(rule_lock);
+       LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry,
+                           list_entry) {
+               /* Continue if this filter doesn't apply to this VSI or the
+                * VSI ID is not in the VSI map for this filter
+                */
+               if (!ice_vsi_uses_fltr(itr, vsi_handle))
+                       continue;
+
+               *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
+       }
+       ice_release_lock(rule_lock);
+
+       return ICE_SUCCESS;
+}
 
 /**
  * ice_remove_promisc - Remove promisc based filter rules

diff --git a/drivers/net/ice/base/ice_switch.h b/drivers/net/ice/base/ice_switch.h
index 364083e..0d70b38 100644 (file)
--- a/drivers/net/ice/base/ice_switch.h
+++ b/drivers/net/ice/base/ice_switch.h
@@ -394,6 +394,13 @@ enum ice_status
 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
                         bool rm_vlan_promisc);
 
+/* Get VSIs Promisc/defport settings */
+enum ice_status
+ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
+                   u16 *vid);
+enum ice_status
+ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
+                        u16 *vid);