From 4ab956462f67763be4049b03a414aa7c9b2d4c96 Mon Sep 17 00:00:00 2001
From: Henry Tieman <henry.w.tieman@intel.com>
Date: Mon, 11 May 2020 18:01:41 -0700
Subject: ice: Support displaying ntuple rules
Add functionality for ethtool --show-ntuple, allowing for filters to be
displayed when set functionality is added. Add statistics related to
Flow Director matches and status.
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
drivers/net/ethernet/intel/ice/ice_fdir.c | 33 +++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
(limited to 'drivers/net/ethernet/intel/ice/ice_fdir.c')
diff --git a/drivers/net/ethernet/intel/ice/ice_fdir.c b/drivers/net/ethernet/intel/ice/ice_fdir.c
index 878fa4df9453..1f423e50182c 100644
--- a/drivers/net/ethernet/intel/ice/ice_fdir.c
+++ b/drivers/net/ethernet/intel/ice/ice_fdir.c
@@ -52,3 +52,36 @@ ice_alloc_fd_shrd_item(struct ice_hw *hw, u16 *cntr_id, u16 num_fltr)
ICE_AQC_RES_TYPE_FLAG_DEDICATED, num_fltr,
cntr_id);
}
+
+/**
+ * ice_get_fdir_cnt_all - get the number of Flow Director filters
+ * @hw: hardware data structure
+ *
+ * Returns the number of filters available on device
+ */
+int ice_get_fdir_cnt_all(struct ice_hw *hw)
+{
+ return hw->func_caps.fd_fltr_guar + hw->func_caps.fd_fltr_best_effort;
+}
+
+/**
+ * ice_fdir_find_by_idx - find filter with idx
+ * @hw: pointer to hardware structure
+ * @fltr_idx: index to find.
+ *
+ * Returns pointer to filter if found or null
+ */
+struct ice_fdir_fltr *
+ice_fdir_find_fltr_by_idx(struct ice_hw *hw, u32 fltr_idx)
+{
+ struct ice_fdir_fltr *rule;
+
+ list_for_each_entry(rule, &hw->fdir_list_head, fltr_node) {
+ /* rule ID found in the list */
+ if (fltr_idx == rule->fltr_id)
+ return rule;
+ if (fltr_idx < rule->fltr_id)
+ break;
+ }
+ return NULL;
+}
--
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