+++ /dev/null
-/*
- * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
- * Copyright (c) 2017-2018, Broadcom Limited. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef NET_DIM_H
-#define NET_DIM_H
-
-struct net_dim_cq_moder {
- u16 usec;
- u16 pkts;
- u8 cq_period_mode;
-};
-
-struct net_dim_sample {
- ktime_t time;
- u32 pkt_ctr;
- u32 byte_ctr;
- u16 event_ctr;
-};
-
-struct net_dim_stats {
- int ppms; /* packets per msec */
- int bpms; /* bytes per msec */
- int epms; /* events per msec */
-};
-
-struct net_dim { /* Adaptive Moderation */
- u8 state;
- struct net_dim_stats prev_stats;
- struct net_dim_sample start_sample;
- struct work_struct work;
- u8 profile_ix;
- u8 mode;
- u8 tune_state;
- u8 steps_right;
- u8 steps_left;
- u8 tired;
-};
-
-enum {
- NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE = 0x0,
- NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE = 0x1,
- NET_DIM_CQ_PERIOD_NUM_MODES
-};
-
-/* Adaptive moderation logic */
-enum {
- NET_DIM_START_MEASURE,
- NET_DIM_MEASURE_IN_PROGRESS,
- NET_DIM_APPLY_NEW_PROFILE,
-};
-
-enum {
- NET_DIM_PARKING_ON_TOP,
- NET_DIM_PARKING_TIRED,
- NET_DIM_GOING_RIGHT,
- NET_DIM_GOING_LEFT,
-};
-
-enum {
- NET_DIM_STATS_WORSE,
- NET_DIM_STATS_SAME,
- NET_DIM_STATS_BETTER,
-};
-
-enum {
- NET_DIM_STEPPED,
- NET_DIM_TOO_TIRED,
- NET_DIM_ON_EDGE,
-};
-
-void net_dim(struct net_dim *dim,
- u16 event_ctr,
- u64 packets,
- u64 bytes);
-struct net_dim_cq_moder net_dim_get_def_profile(u8 rx_cq_period_mode);
-struct net_dim_cq_moder net_dim_get_profile(u8 cq_period_mode, int ix);
-
-#endif /* NET_DIM_H */
* SOFTWARE.
*/
-#include "en.h"
+#ifndef NET_DIM_H
+#define NET_DIM_H
+
+#include <linux/module.h>
+
+struct net_dim_cq_moder {
+ u16 usec;
+ u16 pkts;
+ u8 cq_period_mode;
+};
+
+struct net_dim_sample {
+ ktime_t time;
+ u32 pkt_ctr;
+ u32 byte_ctr;
+ u16 event_ctr;
+};
+
+struct net_dim_stats {
+ int ppms; /* packets per msec */
+ int bpms; /* bytes per msec */
+ int epms; /* events per msec */
+};
+
+struct net_dim { /* Adaptive Moderation */
+ u8 state;
+ struct net_dim_stats prev_stats;
+ struct net_dim_sample start_sample;
+ struct work_struct work;
+ u8 profile_ix;
+ u8 mode;
+ u8 tune_state;
+ u8 steps_right;
+ u8 steps_left;
+ u8 tired;
+};
+
+enum {
+ NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE = 0x0,
+ NET_DIM_CQ_PERIOD_MODE_START_FROM_CQE = 0x1,
+ NET_DIM_CQ_PERIOD_NUM_MODES
+};
+
+/* Adaptive moderation logic */
+enum {
+ NET_DIM_START_MEASURE,
+ NET_DIM_MEASURE_IN_PROGRESS,
+ NET_DIM_APPLY_NEW_PROFILE,
+};
+
+enum {
+ NET_DIM_PARKING_ON_TOP,
+ NET_DIM_PARKING_TIRED,
+ NET_DIM_GOING_RIGHT,
+ NET_DIM_GOING_LEFT,
+};
+
+enum {
+ NET_DIM_STATS_WORSE,
+ NET_DIM_STATS_SAME,
+ NET_DIM_STATS_BETTER,
+};
+
+enum {
+ NET_DIM_STEPPED,
+ NET_DIM_TOO_TIRED,
+ NET_DIM_ON_EDGE,
+};
#define NET_DIM_PARAMS_NUM_PROFILES 5
/* Adaptive moderation profiles */
NET_DIM_CQE_PROFILES,
};
-struct net_dim_cq_moder net_dim_get_profile(u8 cq_period_mode, int ix)
+static inline struct net_dim_cq_moder net_dim_get_profile(u8 cq_period_mode,
+ int ix)
{
struct net_dim_cq_moder cq_moder;
return cq_moder;
}
-struct net_dim_cq_moder net_dim_get_def_profile(u8 rx_cq_period_mode)
+static inline struct net_dim_cq_moder net_dim_get_def_profile(u8 rx_cq_period_mode)
{
int default_profile_ix;
return net_dim_get_profile(rx_cq_period_mode, default_profile_ix);
}
-static bool net_dim_on_top(struct net_dim *dim)
+static inline bool net_dim_on_top(struct net_dim *dim)
{
switch (dim->tune_state) {
case NET_DIM_PARKING_ON_TOP:
}
}
-static void net_dim_turn(struct net_dim *dim)
+static inline void net_dim_turn(struct net_dim *dim)
{
switch (dim->tune_state) {
case NET_DIM_PARKING_ON_TOP:
}
}
-static int net_dim_step(struct net_dim *dim)
+static inline int net_dim_step(struct net_dim *dim)
{
if (dim->tired == (NET_DIM_PARAMS_NUM_PROFILES * 2))
return NET_DIM_TOO_TIRED;
return NET_DIM_STEPPED;
}
-static void net_dim_park_on_top(struct net_dim *dim)
+static inline void net_dim_park_on_top(struct net_dim *dim)
{
dim->steps_right = 0;
dim->steps_left = 0;
dim->tune_state = NET_DIM_PARKING_ON_TOP;
}
-static void net_dim_park_tired(struct net_dim *dim)
+static inline void net_dim_park_tired(struct net_dim *dim)
{
dim->steps_right = 0;
dim->steps_left = 0;
dim->tune_state = NET_DIM_PARKING_TIRED;
}
-static void net_dim_exit_parking(struct net_dim *dim)
+static inline void net_dim_exit_parking(struct net_dim *dim)
{
dim->tune_state = dim->profile_ix ? NET_DIM_GOING_LEFT :
NET_DIM_GOING_RIGHT;
#define IS_SIGNIFICANT_DIFF(val, ref) \
(((100 * abs((val) - (ref))) / (ref)) > 10) /* more than 10% difference */
-static int net_dim_stats_compare(struct net_dim_stats *curr,
- struct net_dim_stats *prev)
+static inline int net_dim_stats_compare(struct net_dim_stats *curr,
+ struct net_dim_stats *prev)
{
if (!prev->bpms)
return curr->bpms ? NET_DIM_STATS_BETTER :
return NET_DIM_STATS_SAME;
}
-static bool net_dim_decision(struct net_dim_stats *curr_stats,
- struct net_dim *dim)
+static inline bool net_dim_decision(struct net_dim_stats *curr_stats,
+ struct net_dim *dim)
{
int prev_state = dim->tune_state;
int prev_ix = dim->profile_ix;
return dim->profile_ix != prev_ix;
}
-static void net_dim_sample(u16 event_ctr,
- u64 packets,
- u64 bytes,
- struct net_dim_sample *s)
+static inline void net_dim_sample(u16 event_ctr,
+ u64 packets,
+ u64 bytes,
+ struct net_dim_sample *s)
{
s->time = ktime_get();
s->pkt_ctr = packets;
#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE)
#define BIT_GAP(bits, end, start) ((((end) - (start)) + BIT_ULL(bits)) & (BIT_ULL(bits) - 1))
-static void net_dim_calc_stats(struct net_dim_sample *start,
- struct net_dim_sample *end,
- struct net_dim_stats *curr_stats)
+static inline void net_dim_calc_stats(struct net_dim_sample *start,
+ struct net_dim_sample *end,
+ struct net_dim_stats *curr_stats)
{
/* u32 holds up to 71 minutes, should be enough */
u32 delta_us = ktime_us_delta(end->time, start->time);
delta_us);
}
-void net_dim(struct net_dim *dim,
- u16 event_ctr,
- u64 packets,
- u64 bytes)
+static inline void net_dim(struct net_dim *dim,
+ u16 event_ctr,
+ u64 packets,
+ u64 bytes)
{
struct net_dim_sample end_sample;
struct net_dim_stats curr_stats;
break;
}
}
+
+#endif /* NET_DIM_H */
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