From: Tariq Toukan <tariqt@mellanox.com>
Date: Tue, 1 Mar 2016 22:13:35 +0000 (+0200)
Subject: net/mlx5e: Move common case counters within sq_stats struct
X-Git-Tag: v4.6-rc1~91^2~155^2~5
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flinux.git;a=commitdiff_plain;h=c89fb18b657b07d6c98810182057f844e71d3eee

net/mlx5e: Move common case counters within sq_stats struct

For data cache locality considerations, we moved the nop and
csum_offload_inner within sq_stats struct as they are more
commonly accessed in xmit path.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 451198444ace..b289660568cf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -260,26 +260,28 @@ static const char sq_stats_strings[][ETH_GSTRING_LEN] = {
 	"tso_bytes",
 	"tso_inner_packets",
 	"tso_inner_bytes",
-	"csum_offload_none",
 	"csum_offload_inner",
+	"nop",
+	"csum_offload_none",
 	"stopped",
 	"wake",
 	"dropped",
-	"nop"
 };
 
 struct mlx5e_sq_stats {
+	/* commonly accessed in data path */
 	u64 packets;
 	u64 tso_packets;
 	u64 tso_bytes;
 	u64 tso_inner_packets;
 	u64 tso_inner_bytes;
-	u64 csum_offload_none;
 	u64 csum_offload_inner;
+	u64 nop;
+	/* less likely accessed in data path */
+	u64 csum_offload_none;
 	u64 stopped;
 	u64 wake;
 	u64 dropped;
-	u64 nop;
 #define NUM_SQ_STATS 11
 };