[dpdk-dev] [PATCH 10/40] net/ice/base: introduce and use bitmap set API

[Qi Zhang <qi.z.zhang@intel.com>]

Introduce ice_bitmap_set() and use it instead of open-coding that
functionality.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_acl_ctrl.c  |  4 +---
 drivers/net/ice/base/ice_bitops.h    | 19 +++++++++++++++++++
 drivers/net/ice/base/ice_flex_pipe.c |  9 ++-------
 drivers/net/ice/base/ice_switch.c    |  3 +--
 4 files changed, 23 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ice/base/ice_acl_ctrl.c b/drivers/net/ice/base/ice_acl_ctrl.c
index 5310b9d9f..a732397ce 100644
--- a/drivers/net/ice/base/ice_acl_ctrl.c
+++ b/drivers/net/ice/base/ice_acl_ctrl.c
@@ -354,7 +354,6 @@ ice_acl_create_tbl(struct ice_hw *hw, struct ice_acl_tbl_params *params)
 
 	/* call the AQ command to create the ACL table with these values */
 	status = ice_aq_alloc_acl_tbl(hw, &tbl_alloc, NULL);
-
 	if (status) {
 		if (LE16_TO_CPU(tbl_alloc.buf.resp_buf.alloc_id) <
 		    ICE_AQC_ALLOC_ID_LESS_THAN_4K)
@@ -415,8 +414,7 @@ ice_acl_create_tbl(struct ice_hw *hw, struct ice_acl_tbl_params *params)
 		(tbl->last_entry / ICE_ACL_ENTRY_ALLOC_UNIT);
 
 	/* Indicate available entries in the table */
-	for (i = first_e; i <= last_e; i++)
-		ice_set_bit(i, tbl->avail);
+	ice_bitmap_set(tbl->avail, first_e, last_e - first_e + 1);
 
 	INIT_LIST_HEAD(&tbl->scens);
 out:
diff --git a/drivers/net/ice/base/ice_bitops.h b/drivers/net/ice/base/ice_bitops.h
index 3022116a4..8352b5dd7 100644
--- a/drivers/net/ice/base/ice_bitops.h
+++ b/drivers/net/ice/base/ice_bitops.h
@@ -376,6 +376,25 @@ static inline void ice_cp_bitmap(ice_bitmap_t *dst, ice_bitmap_t *src, u16 size)
 }
 
 /**
+ * ice_bitmap_set - set a number of bits in bitmap from a starting position
+ * @dst: bitmap destination
+ * @pos: first bit position to set
+ * @num_bits: number of bits to set
+ *
+ * This function sets bits in a bitmap from pos to (pos + num_bits) - 1.
+ * Note that this function assumes it is operating on a bitmap declared using
+ * ice_declare_bitmap.
+ */
+static inline void
+ice_bitmap_set(ice_bitmap_t *dst, u16 pos, u16 num_bits)
+{
+	u16 i;
+
+	for (i = pos; i < num_bits; i++)
+		ice_set_bit(i, dst);
+}
+
+/**
  * ice_cmp_bitmaps - compares two bitmaps.
  * @bmp1: the bitmap to compare
  * @bmp2: the bitmap to compare with bmp1
diff --git a/drivers/net/ice/base/ice_flex_pipe.c b/drivers/net/ice/base/ice_flex_pipe.c
index 25d79b5c4..a08390992 100644
--- a/drivers/net/ice/base/ice_flex_pipe.c
+++ b/drivers/net/ice/base/ice_flex_pipe.c
@@ -1580,18 +1580,13 @@ ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs,
 	struct ice_seg *ice_seg;
 	struct ice_fv *fv;
 
-	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
-
 	if (req_profs == ICE_PROF_ALL) {
-		u16 i;
-
-		for (i = 0; i < ICE_MAX_NUM_PROFILES; i++)
-			ice_set_bit(i, bm);
+		ice_bitmap_set(bm, 0, ICE_MAX_NUM_PROFILES);
 		return;
 	}
 
+	ice_memset(&state, 0, sizeof(state), ICE_NONDMA_MEM);
 	ice_zero_bitmap(bm, ICE_MAX_NUM_PROFILES);
-
 	ice_seg = hw->seg;
 	do {
 		enum ice_prof_type prof_type;
diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 858a73222..41ebfedc6 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -5940,8 +5940,7 @@ ice_find_free_recp_res_idx(struct ice_hw *hw, const ice_bitmap_t *profiles,
 	ice_zero_bitmap(used_idx, ICE_MAX_FV_WORDS);
 	ice_zero_bitmap(free_idx, ICE_MAX_FV_WORDS);
 
-	for (count = 0; count < ICE_MAX_FV_WORDS; count++)
-		ice_set_bit(count, possible_idx);
+	ice_bitmap_set(possible_idx, 0, ICE_MAX_FV_WORDS);
 
 	/* For each profile we are going to associate the recipe with, add the
 	 * recipes that are associated with that profile. This will give us
-- 
2.13.6