[PATCH v4 04/39] sched: use C11 alignas

[Tyler Retzlaff <roretzla@linux.microsoft.com>]

Replace use of __rte_aligned_16 with C11 alignas(16) and garbage collect
the __rte_aligned_16 macro which was only used once.

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
---
 lib/sched/rte_sched.c        | 21 +++++++++++----------
 lib/sched/rte_sched_common.h |  2 --
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/lib/sched/rte_sched.c b/lib/sched/rte_sched.c
index d90aa53..bbdb5d1 100644
--- a/lib/sched/rte_sched.c
+++ b/lib/sched/rte_sched.c
@@ -2,6 +2,7 @@
  * Copyright(c) 2010-2014 Intel Corporation
  */
 
+#include <stdalign.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -57,7 +58,7 @@ struct rte_sched_pipe_profile {
 	uint8_t  wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
 };
 
-struct rte_sched_pipe {
+struct __rte_cache_aligned rte_sched_pipe {
 	/* Token bucket (TB) */
 	uint64_t tb_time; /* time of last update */
 	uint64_t tb_credits;
@@ -75,7 +76,7 @@ struct rte_sched_pipe {
 	/* TC oversubscription */
 	uint64_t tc_ov_credits;
 	uint8_t tc_ov_period_id;
-} __rte_cache_aligned;
+};
 
 struct rte_sched_queue {
 	uint16_t qw;
@@ -145,7 +146,7 @@ struct rte_sched_grinder {
 	uint8_t wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
 };
 
-struct rte_sched_subport {
+struct __rte_cache_aligned rte_sched_subport {
 	/* Token bucket (TB) */
 	uint64_t tb_time; /* time of last update */
 	uint64_t tb_credits;
@@ -164,7 +165,7 @@ struct rte_sched_subport {
 	double tc_ov_rate;
 
 	/* Statistics */
-	struct rte_sched_subport_stats stats __rte_cache_aligned;
+	alignas(RTE_CACHE_LINE_SIZE) struct rte_sched_subport_stats stats;
 
 	/* subport profile */
 	uint32_t profile;
@@ -193,7 +194,7 @@ struct rte_sched_subport {
 
 	/* Bitmap */
 	struct rte_bitmap *bmp;
-	uint32_t grinder_base_bmp_pos[RTE_SCHED_PORT_N_GRINDERS] __rte_aligned_16;
+	alignas(16) uint32_t grinder_base_bmp_pos[RTE_SCHED_PORT_N_GRINDERS];
 
 	/* Grinders */
 	struct rte_sched_grinder grinder[RTE_SCHED_PORT_N_GRINDERS];
@@ -212,10 +213,10 @@ struct rte_sched_subport {
 	struct rte_sched_pipe_profile *pipe_profiles;
 	uint8_t *bmp_array;
 	struct rte_mbuf **queue_array;
-	uint8_t memory[0] __rte_cache_aligned;
-} __rte_cache_aligned;
+	alignas(RTE_CACHE_LINE_SIZE) uint8_t memory[0];
+};
 
-struct rte_sched_port {
+struct __rte_cache_aligned rte_sched_port {
 	/* User parameters */
 	uint32_t n_subports_per_port;
 	uint32_t n_pipes_per_subport;
@@ -244,8 +245,8 @@ struct rte_sched_port {
 
 	/* Large data structures */
 	struct rte_sched_subport_profile *subport_profiles;
-	struct rte_sched_subport *subports[0] __rte_cache_aligned;
-} __rte_cache_aligned;
+	alignas(RTE_CACHE_LINE_SIZE) struct rte_sched_subport *subports[0];
+};
 
 enum rte_sched_subport_array {
 	e_RTE_SCHED_SUBPORT_ARRAY_PIPE = 0,
diff --git a/lib/sched/rte_sched_common.h b/lib/sched/rte_sched_common.h
index 419700b..573d164 100644
--- a/lib/sched/rte_sched_common.h
+++ b/lib/sched/rte_sched_common.h
@@ -12,8 +12,6 @@
 #include <stdint.h>
 #include <sys/types.h>
 
-#define __rte_aligned_16 __rte_aligned(16)
-
 #if 0
 static inline uint32_t
 rte_min_pos_4_u16(uint16_t *x)
-- 
1.8.3.1