linux_dsm_epyc7002/drivers/net/ethernet/mellanox
Saeed Mahameed 4931c6ef04 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>
2017-06-15 22:53:22 -04:00
..
mlx4 net/mlx4_en: Optimized single ring steering 2017-06-15 22:53:22 -04:00
mlx5/core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-06-15 11:59:32 -04:00
mlxfw net/mlxfw: fix a NULL dereference 2017-06-14 15:32:18 -04:00
mlxsw mlxsw: spectrum: Add support for access cable info via ethtool 2017-06-14 15:16:30 -04:00
Kconfig Add the mlxfw module for Mellanox firmware flash process 2017-05-25 17:46:17 -04:00
Makefile Add the mlxfw module for Mellanox firmware flash process 2017-05-25 17:46:17 -04:00