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net/mlx5e: Fix aRFS compilation dependency 

en_arfs.o should be compiled only if both CONFIG_MLX5_CORE_EN
and CONFIG_RFS_ACCEL are enabled. en_arfs calls to rps_may_expire_flow
which is compiled only if CONFIG_RFS_ACCEL is defined.

Move en_arfs.o compilation dependency to be under CONFIG_MLX5_CORE_EN
and wrap the en_arfs.c content with ifdef of CONFIG_RFS_ACCEL.

Fixes: 1cabe6b096 ('net/mlx5e: Create aRFS flow tables')
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reported-by: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maor Gottlieb 2016-05-03 17:13:53 +03:00 committed by David S. Miller
parent 27540247c5
commit fbc4a69b56
2 changed files with 4 additions and 2 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/Makefile
View File

@ -6,7 +6,6 @@ mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o \
en_main.o en_fs.o en_ethtool.o en_tx.o en_rx.o \
en_txrx.o en_clock.o vxlan.o en_tc.o
en_txrx.o en_clock.o vxlan.o en_tc.o en_arfs.o
mlx5_core-$(CONFIG_MLX5_CORE_EN_DCB) += en_dcbnl.o
mlx5_core-$(CONFIG_RFS_ACCEL) += en_arfs.o

3
drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
View File

@ -30,6 +30,8 @@
* SOFTWARE.
*/
#ifdef CONFIG_RFS_ACCEL
#include <linux/hash.h>
#include <linux/mlx5/fs.h>
#include <linux/ip.h>
@ -747,3 +749,4 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
spin_unlock_bh(&arfs->arfs_lock);
return arfs_rule->filter_id;
}
#endif