[dpdk-dev] [PATCH v4 1/2] net/mlx4: avoid constant recreations in function
Ophir Munk
ophirmu at mellanox.com
Sun May 13 17:36:07 CEST 2018
Function mlx4_conv_rss_types() contains constant arrays variables
which are recreated with every call to the function. By changing the
arrays definitions from "const" to "static const" these recreations
can be saved.
Signed-off-by: Ophir Munk <ophirmu at mellanox.com>
---
v1:
Initial release
v2:
Update based on reviews (split into 2 commits)
v3, v4
More updates based on reviews
drivers/net/mlx4/mlx4_flow.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/mlx4/mlx4_flow.c b/drivers/net/mlx4/mlx4_flow.c
index 37463b8..f117e2e 100644
--- a/drivers/net/mlx4/mlx4_flow.c
+++ b/drivers/net/mlx4/mlx4_flow.c
@@ -94,7 +94,7 @@ uint64_t
mlx4_conv_rss_types(struct priv *priv, uint64_t types)
{
enum { IPV4, IPV6, TCP, UDP, };
- const uint64_t in[] = {
+ static const uint64_t in[] = {
[IPV4] = (ETH_RSS_IPV4 |
ETH_RSS_FRAG_IPV4 |
ETH_RSS_NONFRAG_IPV4_TCP |
@@ -115,7 +115,7 @@ mlx4_conv_rss_types(struct priv *priv, uint64_t types)
ETH_RSS_NONFRAG_IPV6_UDP |
ETH_RSS_IPV6_UDP_EX),
};
- const uint64_t out[RTE_DIM(in)] = {
+ static const uint64_t out[RTE_DIM(in)] = {
[IPV4] = IBV_RX_HASH_SRC_IPV4 | IBV_RX_HASH_DST_IPV4,
[IPV6] = IBV_RX_HASH_SRC_IPV6 | IBV_RX_HASH_DST_IPV6,
[TCP] = IBV_RX_HASH_SRC_PORT_TCP | IBV_RX_HASH_DST_PORT_TCP,
--
2.7.4
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