[dpdk-dev] [PATCH v4 04/38] net/ice/base: add helper macros

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

1. Add macro ice_for_each_traffic_class to loop for each
traffic class.
2. Add macro MIN_T to wrap min with type conversion.

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>
---
 drivers/net/ice/base/ice_common.c |  2 +-
 drivers/net/ice/base/ice_nvm.c    |  7 ++++---
 drivers/net/ice/base/ice_sched.c  | 30 +++++++++++++++---------------
 drivers/net/ice/base/ice_type.h   |  7 +++++++
 4 files changed, 27 insertions(+), 19 deletions(-)

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index 392183375..86d3be17a 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -3669,7 +3669,7 @@ ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
 
 	ice_acquire_lock(&pi->sched_lock);
 
-	for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
+	ice_for_each_traffic_class(i) {
 		/* configuration is possible only if TC node is present */
 		if (!ice_sched_get_tc_node(pi, i))
 			continue;
diff --git a/drivers/net/ice/base/ice_nvm.c b/drivers/net/ice/base/ice_nvm.c
index 92de2ec3b..8d3d0b0ed 100644
--- a/drivers/net/ice/base/ice_nvm.c
+++ b/drivers/net/ice/base/ice_nvm.c
@@ -163,9 +163,10 @@ ice_read_sr_buf_aq(struct ice_hw *hw, u16 offset, u16 *words, u16 *data)
 		 */
 		off_w = offset % ICE_SR_SECTOR_SIZE_IN_WORDS;
 		read_size = off_w ?
-			min(*words,
-			    (u16)(ICE_SR_SECTOR_SIZE_IN_WORDS - off_w)) :
-			min((*words - words_read), ICE_SR_SECTOR_SIZE_IN_WORDS);
+			MIN_T(u16, *words,
+			      (ICE_SR_SECTOR_SIZE_IN_WORDS - off_w)) :
+			MIN_T(u16, (*words - words_read),
+			      ICE_SR_SECTOR_SIZE_IN_WORDS);
 
 		/* Check if this is last command, if so set proper flag */
 		if ((words_read + read_size) >= *words)
diff --git a/drivers/net/ice/base/ice_sched.c b/drivers/net/ice/base/ice_sched.c
index 2edc305b5..237bf7350 100644
--- a/drivers/net/ice/base/ice_sched.c
+++ b/drivers/net/ice/base/ice_sched.c
@@ -1896,7 +1896,7 @@ ice_sched_rm_vsi_cfg(struct ice_port_info *pi, u16 vsi_handle, u8 owner)
 	if (!vsi_ctx)
 		goto exit_sched_rm_vsi_cfg;
 
-	for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
+	ice_for_each_traffic_class(i) {
 		struct ice_sched_node *vsi_node, *tc_node;
 		u8 j = 0;
 
@@ -2174,7 +2174,7 @@ ice_sched_cfg_agg(struct ice_port_info *pi, u32 agg_id,
 		LIST_ADD(&agg_info->list_entry, &hw->agg_list);
 	}
 	/* Create aggregator node(s) for requested TC(s) */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		if (!ice_is_tc_ena(*tc_bitmap, tc)) {
 			/* Delete aggregator cfg TC if it exists previously */
 			status = ice_rm_agg_cfg_tc(pi, agg_info, tc, false);
@@ -2340,7 +2340,7 @@ ice_sched_assoc_vsi_to_agg(struct ice_port_info *pi, u32 agg_id,
 		LIST_ADD(&agg_vsi_info->list_entry, &agg_info->agg_vsi_list);
 	}
 	/* Move VSI node to new aggregator node for requested TC(s) */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		if (!ice_is_tc_ena(*tc_bitmap, tc))
 			continue;
 
@@ -2410,7 +2410,7 @@ enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id)
 		goto exit_ice_rm_agg_cfg;
 	}
 
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		status = ice_rm_agg_cfg_tc(pi, agg_info, tc, true);
 		if (status)
 			goto exit_ice_rm_agg_cfg;
@@ -3050,7 +3050,7 @@ ice_cfg_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 ena_tcmap,
 	ice_acquire_lock(&pi->sched_lock);
 
 	/* Return success if no nodes are present across TC */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *tc_node, *vsi_node;
 
 		if (!ice_is_tc_ena(ena_tcmap, tc))
@@ -3112,7 +3112,7 @@ ice_cfg_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 ena_tcmap,
 	}
 
 	/* Return success if no nodes are present across TC */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *tc_node, *agg_node;
 
 		if (!ice_is_tc_ena(ena_tcmap, tc))
@@ -4174,7 +4174,7 @@ ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle)
 	if (!vsi_ctx)
 		return ICE_ERR_PARAM;
 
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *node;
 
 		node = vsi_ctx->sched.ag_node[tc];
@@ -4324,7 +4324,7 @@ ice_sched_validate_vsi_srl_node(struct ice_port_info *pi, u16 vsi_handle)
 		return ICE_ERR_PARAM;
 
 	/* Return success if no nodes are present across TC */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *tc_node, *vsi_node;
 		enum ice_rl_type rl_type = ICE_SHARED_BW;
 		enum ice_status status;
@@ -4384,7 +4384,7 @@ ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
 	if (status)
 		goto exit_set_vsi_bw_shared_lmt;
 	/* Return success if no nodes are present across TC */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *tc_node, *vsi_node;
 		enum ice_rl_type rl_type = ICE_SHARED_BW;
 
@@ -4442,7 +4442,7 @@ ice_sched_validate_agg_srl_node(struct ice_port_info *pi, u32 agg_id)
 	if (!agg_id_present)
 		return ICE_ERR_PARAM;
 	/* Return success if no nodes are present across TC */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *tc_node, *agg_node;
 		enum ice_rl_type rl_type = ICE_SHARED_BW;
 
@@ -4513,7 +4513,7 @@ ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 bw)
 	}
 
 	/* Return success if no nodes are present across TC */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		enum ice_rl_type rl_type = ICE_SHARED_BW;
 		struct ice_sched_node *tc_node, *agg_node;
 
@@ -5119,7 +5119,7 @@ ice_sched_replay_agg_bw(struct ice_hw *hw, struct ice_sched_agg_info *agg_info)
 
 	if (!agg_info)
 		return ICE_ERR_PARAM;
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		if (!ice_is_any_bit_set(agg_info->bw_t_info[tc].bw_t_bitmap,
 					ICE_BW_TYPE_CNT))
 			continue;
@@ -5159,7 +5159,7 @@ ice_sched_get_ena_tc_bitmap(struct ice_port_info *pi, ice_bitmap_t *tc_bitmap,
 	u8 tc;
 
 	/* Some TC(s) may be missing after reset, adjust for replay */
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++)
+	ice_for_each_traffic_class(tc)
 		if (ice_is_tc_ena(*tc_bitmap, tc) &&
 		    (ice_sched_get_tc_node(pi, tc)))
 			ice_set_bit(tc, ena_tc_bitmap);
@@ -5253,7 +5253,7 @@ ice_sched_replay_tc_node_bw(struct ice_hw *hw)
 	u8 tc;
 
 	ice_acquire_lock(&pi->sched_lock);
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		struct ice_sched_node *tc_node;
 
 		tc_node = ice_sched_get_tc_node(hw->port_info, tc);
@@ -5291,7 +5291,7 @@ ice_sched_replay_vsi_bw(struct ice_hw *hw, u16 vsi_handle,
 	vsi_ctx = ice_get_vsi_ctx(pi->hw, vsi_handle);
 	if (!vsi_ctx)
 		return ICE_ERR_PARAM;
-	for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+	ice_for_each_traffic_class(tc) {
 		if (!ice_is_tc_ena(*tc_bitmap, tc))
 			continue;
 		tc_node = ice_sched_get_tc_node(pi, tc);
diff --git a/drivers/net/ice/base/ice_type.h b/drivers/net/ice/base/ice_type.h
index 08c974004..2e865a78f 100644
--- a/drivers/net/ice/base/ice_type.h
+++ b/drivers/net/ice/base/ice_type.h
@@ -18,6 +18,9 @@
 #define ICE_BYTES_PER_DWORD	4
 #define ICE_MAX_TRAFFIC_CLASS	8
 
+#ifndef MIN_T
+#define MIN_T(_t, _a, _b)	min((_t)(_a), (_t)(_b))
+#endif
 
 #include "ice_status.h"
 #include "ice_hw_autogen.h"
@@ -379,6 +382,10 @@ struct ice_nvm_info {
 
 /* Max number of port to queue branches w.r.t topology */
 #define ICE_TXSCHED_MAX_BRANCHES ICE_MAX_TRAFFIC_CLASS
+
+#define ice_for_each_traffic_class(_i)	\
+	for ((_i) = 0; (_i) < ICE_MAX_TRAFFIC_CLASS; (_i)++)
+
 /* ICE_DFLT_AGG_ID means that all new VM(s)/VSI node connects
  * to driver defined policy for default aggregator
  */
-- 
2.13.6