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authorSaeed Mahameed <saeedm@mellanox.com>2017-06-15 14:35:32 +0300
committerDavid S. Miller <davem@davemloft.net>2017-06-15 22:53:22 -0400
commit4931c6ef04b4eb6f726def76f845c10d1bb7057d (patch)
tree98cbf8b933e86828cceabfad8f3f5479e0cefd29 /drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
parentcf97050d547281edc5b813b501d5888c60f23bb2 (diff)
net/mlx4_en: Optimized single ring steering
Avoid touching RX QP RSS context when loading with only one RX ring, to allow optimized A0 RX steering. Enable by: - loading mlx4_core with module param: log_num_mgm_entry_size = -6. - then: ethtool -L <interface> rx 1 Performance tests: Tested on ConnectX3Pro, Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz XDP_DROP packet rate: ------------------------------------- | Before | After | Gain | IPv4 | 20.5 Mpps | 28.1 Mpps | 37% | IPv6 | 18.4 Mpps | 28.1 Mpps | 53% | ------------------------------------- Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Cc: kernel-team@fb.com Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/mlx4_en.h')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 08b2906a98af..41f4f8f9f300 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -431,7 +431,7 @@ struct mlx4_en_rss_map {
int base_qpn;
struct mlx4_qp qps[MAX_RX_RINGS];
enum mlx4_qp_state state[MAX_RX_RINGS];
- struct mlx4_qp indir_qp;
+ struct mlx4_qp *indir_qp;
enum mlx4_qp_state indir_state;
};