Adding a function ice_flow_rem_vsi_prof() to remove flow entries
associated to the sw vsi handle. Once complete clear the vsi index from
the flow profile bitmap. This will ensure that the a vsi once removed
can be re-added and the package block rules will be added again.
Signed-off-by: Vignesh Sridhar <vignesh.sridhar@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
drivers/net/ice/base/ice_flow.c | 55 +++++++++++++++++++++++++++++++++
drivers/net/ice/base/ice_flow.h | 2 ++
2 files changed, 57 insertions(+)
@@ -3295,6 +3295,61 @@ ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
seg->raws_cnt++;
}
+/**
+ * ice_flow_rem_vsi_prof - remove vsi from flow profile
+ * @hw: pointer to the hardware structure
+ * @blk: classification stage
+ * @vsi_handle: software VSI handle
+ * @prof_id: unique ID to identify this flow profile
+ *
+ * This function removes the flow entries associated to the input
+ * vsi handle and disassociates the vsi from the flow profile.
+ */
+enum ice_status ice_flow_rem_vsi_prof(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
+ u64 prof_id)
+{
+ struct ice_flow_prof *prof = NULL;
+ enum ice_status status = ICE_SUCCESS;
+
+ if (blk >= ICE_BLK_COUNT || !ice_is_vsi_valid(hw, vsi_handle))
+ return ICE_ERR_PARAM;
+
+ /* find flow profile pointer with input package block and profile id */
+ prof = ice_flow_find_prof_id(hw, ICE_BLK_FD, prof_id);
+ if (!prof) {
+ ice_debug(hw, ICE_DBG_PKG,
+ "Cannot find flow profile id=%lu\n", prof_id);
+ return ICE_ERR_DOES_NOT_EXIST;
+ }
+
+ /* Remove all remaining flow entries before removing the flow profile */
+ if (!LIST_EMPTY(&prof->entries)) {
+ struct ice_flow_entry *e, *t;
+
+ ice_acquire_lock(&prof->entries_lock);
+ LIST_FOR_EACH_ENTRY_SAFE(e, t, &prof->entries, ice_flow_entry,
+ l_entry) {
+ if (e->vsi_handle != vsi_handle)
+ continue;
+
+ status = ice_flow_rem_entry_sync(hw, blk, e);
+ if (status)
+ break;
+ }
+ ice_release_lock(&prof->entries_lock);
+ }
+ if (status)
+ return status;
+
+ /* disassociate the flow profile from sw vsi handle */
+ status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
+ if (status)
+ ice_debug(hw, ICE_DBG_PKG,
+ "ice_flow_disassoc_prof() failed with status=%d\n",
+ status);
+ return status;
+}
+
#define ICE_FLOW_RSS_SEG_HDR_L2_MASKS \
(ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
@@ -553,6 +553,8 @@ ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
void
ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
u16 val_loc, u16 mask_loc);
+enum ice_status ice_flow_rem_vsi_prof(struct ice_hw *hw, enum ice_block blk,
+ u16 vsi_handle, u64 prof_id);
void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
enum ice_status