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From: Tyler Retzlaff <roretzla@linux.microsoft.com>
To: dev@dpdk.org
Cc: =?UTF-8?q?Morten=20Br=C3=B8rup?= <mb@smartsharesystems.com>,
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Subject: [PATCH v3 08/19] gro: remove use of VLAs for Windows built code
Date: Mon, 6 May 2024 11:18:40 -0700
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MSVC does not support VLAs, replace VLAs with standard C arrays
or alloca(). alloca() is available for all toolchain/platform
combinations officially supported by DPDK.
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
---
lib/gro/rte_gro.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/gro/rte_gro.c b/lib/gro/rte_gro.c
index d824eeb..0f9e85c 100644
--- a/lib/gro/rte_gro.c
+++ b/lib/gro/rte_gro.c
@@ -179,7 +179,7 @@ struct gro_ctx {
struct gro_vxlan_udp4_item vxlan_udp_items[RTE_GRO_MAX_BURST_ITEM_NUM]
= {{{0}} };
- struct rte_mbuf *unprocess_pkts[nb_pkts];
+ struct rte_mbuf **unprocess_pkts = alloca(sizeof(struct rte_mbuf *) * nb_pkts);
uint32_t item_num;
int32_t ret;
uint16_t i, unprocess_num = 0, nb_after_gro = nb_pkts;
@@ -360,7 +360,7 @@ struct gro_ctx {
uint16_t nb_pkts,
void *ctx)
{
- struct rte_mbuf *unprocess_pkts[nb_pkts];
+ struct rte_mbuf **unprocess_pkts = alloca(sizeof(struct rte_mbuf *) * nb_pkts);
struct gro_ctx *gro_ctx = ctx;
void *tcp_tbl, *udp_tbl, *vxlan_tcp_tbl, *vxlan_udp_tbl, *tcp6_tbl;
uint64_t current_time;
--
1.8.3.1