[PATCH v2 03/21] ethdev: use C11 alignof

[Tyler Retzlaff]

Replace use of __alignof__(T) with C11 alignof(T) to improve portability
between toolchains.

Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
Acked-by: Morten Brørup <m...@smartsharesystems.com>
Acked-by: Chengwen Feng <fengcheng...@huawei.com>
---
 lib/ethdev/ethdev_driver.c | 3 ++-
 lib/ethdev/rte_flow.c      | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/ethdev/ethdev_driver.c b/lib/ethdev/ethdev_driver.c
index bd917a1..4d45fbd 100644
--- a/lib/ethdev/ethdev_driver.c
+++ b/lib/ethdev/ethdev_driver.c
@@ -2,6 +2,7 @@
  * Copyright(c) 2022 Intel Corporation
  */
 
+#include <stdalign.h>
 #include <stdlib.h>
 #include <pthread.h>
 
@@ -633,7 +634,7 @@ struct rte_eth_dev *
        static const struct rte_mbuf_dynfield field_desc = {
                .name = RTE_MBUF_DYNFIELD_IP_REASSEMBLY_NAME,
                .size = sizeof(rte_eth_ip_reassembly_dynfield_t),
-               .align = __alignof__(rte_eth_ip_reassembly_dynfield_t),
+               .align = alignof(rte_eth_ip_reassembly_dynfield_t),
        };
        static const struct rte_mbuf_dynflag ip_reassembly_dynflag = {
                .name = RTE_MBUF_DYNFLAG_IP_REASSEMBLY_INCOMPLETE_NAME,
diff --git a/lib/ethdev/rte_flow.c b/lib/ethdev/rte_flow.c
index f49d1d3..2cd30d6 100644
--- a/lib/ethdev/rte_flow.c
+++ b/lib/ethdev/rte_flow.c
@@ -3,6 +3,7 @@
  * Copyright 2016 Mellanox Technologies, Ltd
  */
 
+#include <stdalign.h>
 #include <errno.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -281,7 +282,7 @@ struct rte_flow_desc_data {
        static const struct rte_mbuf_dynfield desc_offs = {
                .name = RTE_MBUF_DYNFIELD_METADATA_NAME,
                .size = sizeof(uint32_t),
-               .align = __alignof__(uint32_t),
+               .align = alignof(uint32_t),
        };
        static const struct rte_mbuf_dynflag desc_flag = {
                .name = RTE_MBUF_DYNFLAG_METADATA_NAME,
-- 
1.8.3.1