ice: add and use new ice_for_each_traffic_class() macro
authorBruce Allan <bruce.w.allan@intel.com>
Wed, 13 Feb 2019 18:51:10 +0000 (10:51 -0800)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Mon, 25 Mar 2019 17:33:54 +0000 (10:33 -0700)
There are numerous for() loops iterating over each of the max traffic
classes.  Use a simple iterator macro instead to make the code cleaner.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@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_common.c
drivers/net/ethernet/intel/ice/ice_lib.c
drivers/net/ethernet/intel/ice/ice_sched.c
drivers/net/ethernet/intel/ice/ice_type.h

index be67d07b75cb6a915400476f25389b3f0be3c766..ca9a8c52a8d61e159f9f52e031dfb354229234dd 100644 (file)
@@ -2949,7 +2949,7 @@ ice_cfg_vsi_qs(struct ice_port_info *pi, u16 vsi_handle, u8 tc_bitmap,
 
        mutex_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;
index 7a692f80bda48d4839774e6ca85f1ae1e1982937..a64db22e6ba43ab83bb8cc7557074f33a8e5cf54 100644 (file)
@@ -856,7 +856,7 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
        /* find the (rounded up) power-of-2 of qcount */
        pow = order_base_2(qcount_rx);
 
-       for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) {
+       ice_for_each_traffic_class(i) {
                if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
                        /* TC is not enabled */
                        vsi->tc_cfg.tc_info[i].qoffset = 0;
@@ -1689,7 +1689,7 @@ ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings, int offset)
        num_q_grps = 1;
 
        /* set up and configure the Tx queues for each enabled TC */
-       for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) {
+       ice_for_each_traffic_class(tc) {
                if (!(vsi->tc_cfg.ena_tc & BIT(tc)))
                        break;
 
index efbebf7a050f7aca4c48c53165ae9c1a00cb4072..e0218f4c8f0bd89a201817d12dced8848a390367 100644 (file)
@@ -1606,7 +1606,7 @@ 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;
 
index 584f260f2e4f040d2a0ecdc3d7f8b31765baacca..3a4e67484487245e14c67b268067b3be5db4646c 100644 (file)
@@ -210,6 +210,9 @@ struct ice_nvm_info {
 #define ICE_MAX_TRAFFIC_CLASS 8
 #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)++)
+
 struct ice_sched_node {
        struct ice_sched_node *parent;
        struct ice_sched_node *sibling; /* next sibling in the same layer */