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Commit f8be17b8 authored by Leon Romanovsky's avatar Leon Romanovsky Committed by David S. Miller
Browse files

lib/dim: Fix -Wunused-const-variable warnings 



DIM causes to the following warnings during kernel compilation
which indicates that tx_profile and rx_profile are supposed to
be declared in *.c and not in *.h files.

In file included from ./include/rdma/ib_verbs.h:64,
                 from ./include/linux/mlx5/device.h:37,
                 from ./include/linux/mlx5/driver.h:51,
                 from ./include/linux/mlx5/vport.h:36,
                 from drivers/infiniband/hw/mlx5/ib_virt.c:34:
./include/linux/dim.h:326:1: warning: _tx_profile_ defined but not used [-Wunused-const-variable=]
  326 | tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {
      | ^~~~~~~~~~
./include/linux/dim.h:320:1: warning: _rx_profile_ defined but not used [-Wunused-const-variable=]
  320 | rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {
      | ^~~~~~~~~~

Fixes: 4f75da36 ("linux/dim: Move implementation to .c files")
Signed-off-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Acked-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent f06d0ca4

include/linux/dim.h

+0 −56
Original line number Diff line number Diff line
@@ -272,62 +272,6 @@ dim_update_sample_with_comps(u16 event_ctr, u64 packets, u64 bytes, u64 comps, 


/* Net DIM */



/*

 * Net DIM profiles:

 *        There are different set of profiles for each CQ period mode.

 *        There are different set of profiles for RX/TX CQs.

 *        Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES

 */

#define NET_DIM_PARAMS_NUM_PROFILES 5

#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256

#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128

#define NET_DIM_DEF_PROFILE_CQE 1

#define NET_DIM_DEF_PROFILE_EQE 1



#define NET_DIM_RX_EQE_PROFILES { \

	{1,   NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{8,   NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{64,  NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

}



#define NET_DIM_RX_CQE_PROFILES { \

	{2,  256},             \

	{8,  128},             \

	{16, 64},              \

	{32, 64},              \

	{64, 64}               \

}



#define NET_DIM_TX_EQE_PROFILES { \

	{1,   NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{8,   NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{32,  NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{64,  NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}   \

}



#define NET_DIM_TX_CQE_PROFILES { \

	{5,  128},  \

	{8,  64},  \

	{16, 32},  \

	{32, 32},  \

	{64, 32}   \

}



static const struct dim_cq_moder

rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {

	NET_DIM_RX_EQE_PROFILES,

	NET_DIM_RX_CQE_PROFILES,

};



static const struct dim_cq_moder

tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {

	NET_DIM_TX_EQE_PROFILES,

	NET_DIM_TX_CQE_PROFILES,

};



/**

 *	net_dim_get_rx_moderation - provide a CQ moderation object for the given RX profile

 *	@cq_period_mode: CQ period mode

lib/dim/net_dim.c

+56 −0
Original line number Diff line number Diff line
@@ -5,6 +5,62 @@ 


#include <linux/dim.h>



/*

 * Net DIM profiles:

 *        There are different set of profiles for each CQ period mode.

 *        There are different set of profiles for RX/TX CQs.

 *        Each profile size must be of NET_DIM_PARAMS_NUM_PROFILES

 */

#define NET_DIM_PARAMS_NUM_PROFILES 5

#define NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE 256

#define NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE 128

#define NET_DIM_DEF_PROFILE_CQE 1

#define NET_DIM_DEF_PROFILE_EQE 1



#define NET_DIM_RX_EQE_PROFILES { \

	{1,   NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{8,   NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{64,  NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{128, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

	{256, NET_DIM_DEFAULT_RX_CQ_MODERATION_PKTS_FROM_EQE}, \

}



#define NET_DIM_RX_CQE_PROFILES { \

	{2,  256},             \

	{8,  128},             \

	{16, 64},              \

	{32, 64},              \

	{64, 64}               \

}



#define NET_DIM_TX_EQE_PROFILES { \

	{1,   NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{8,   NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{32,  NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{64,  NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE},  \

	{128, NET_DIM_DEFAULT_TX_CQ_MODERATION_PKTS_FROM_EQE}   \

}



#define NET_DIM_TX_CQE_PROFILES { \

	{5,  128},  \

	{8,  64},  \

	{16, 32},  \

	{32, 32},  \

	{64, 32}   \

}



static const struct dim_cq_moder

rx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {

	NET_DIM_RX_EQE_PROFILES,

	NET_DIM_RX_CQE_PROFILES,

};



static const struct dim_cq_moder

tx_profile[DIM_CQ_PERIOD_NUM_MODES][NET_DIM_PARAMS_NUM_PROFILES] = {

	NET_DIM_TX_EQE_PROFILES,

	NET_DIM_TX_CQE_PROFILES,

};



struct dim_cq_moder

net_dim_get_rx_moderation(u8 cq_period_mode, int ix)

{