summaryrefslogtreecommitdiffstats
path: root/VNFs/DPPD-PROX/lconf.h
blob: 4bfa705dc170726b2274afe379c0deae22d1d5dd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
// Copyright (c) 2010-2017 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/

#ifndef _LCONF_H_
#define _LCONF_H_

#include "task_init.h"
#include "stats.h"

enum lconf_msg_type {
	LCONF_MSG_STOP,
	LCONF_MSG_START,
	LCONF_MSG_DUMP,
	LCONF_MSG_TRACE,
	LCONF_MSG_DUMP_RX,
	LCONF_MSG_DUMP_TX,
	LCONF_MSG_RX_DISTR_START,
	LCONF_MSG_RX_DISTR_STOP,
	LCONF_MSG_RX_DISTR_RESET,
	LCONF_MSG_TX_DISTR_START,
	LCONF_MSG_TX_DISTR_STOP,
	LCONF_MSG_TX_DISTR_RESET,
	LCONF_MSG_RX_BW_START,
	LCONF_MSG_RX_BW_STOP,
	LCONF_MSG_TX_BW_START,
	LCONF_MSG_TX_BW_STOP,
};

struct lconf_msg {
	/* Set by master core (if not set), unset by worker after consumption. */
	uint32_t            req;
	enum lconf_msg_type type;
	int                 task_id;
	int                 val;
};

#define LCONF_FLAG_RX_DISTR_ACTIVE 0x00000001
#define LCONF_FLAG_RUNNING         0x00000002
#define LCONF_FLAG_TX_DISTR_ACTIVE 0x00000004
#define LCONF_FLAG_RX_BW_ACTIVE    0x00000008
#define LCONF_FLAG_TX_BW_ACTIVE    0x00000010

struct lcore_cfg {
	/* All tasks running at the moment. This is empty when the core is stopped. */
	struct task_base	*tasks_run[MAX_TASKS_PER_CORE];
	uint8_t			n_tasks_run;

	void (*flush_queues[MAX_TASKS_PER_CORE])(struct task_base *tbase);

	void (*period_func)(void *data);
	void                    *period_data;
	/* call periodic_func after periodic_timeout cycles */
	uint64_t                period_timeout;

	uint64_t                ctrl_timeout;
	void (*ctrl_func_m[MAX_TASKS_PER_CORE])(struct task_base *tbase, void **data, uint16_t n_msgs);
	struct rte_ring         *ctrl_rings_m[MAX_TASKS_PER_CORE];

	void (*ctrl_func_p[MAX_TASKS_PER_CORE])(struct task_base *tbase, struct rte_mbuf **mbufs, uint16_t n_pkts);
	struct rte_ring         *ctrl_rings_p[MAX_TASKS_PER_CORE];

	struct lconf_msg        msg __attribute__((aligned(4)));
	struct task_base	*tasks_all[MAX_TASKS_PER_CORE];
	int                     task_is_running[MAX_TASKS_PER_CORE];
	uint8_t			n_tasks_all;
	pthread_t		thread_id;

	/* Following variables are not accessed in main loop */
	uint32_t		flags;
	uint8_t			active_task;
	uint8_t			id;
	char			name[MAX_NAME_SIZE];
	struct task_args        targs[MAX_TASKS_PER_CORE];
	int (*thread_x)(struct lcore_cfg *lconf);
	uint32_t		cache_set;
} __rte_cache_aligned;

extern struct lcore_cfg     *lcore_cfg;
extern struct lcore_cfg      lcore_cfg_init[];

/* This function is only run on low load (when no bulk was sent within
   last drain_timeout (16kpps if DRAIN_TIMEOUT = 2 ms) */
static inline void lconf_flush_all_queues(struct lcore_cfg *lconf)
{
	struct task_base *task;

	for (uint8_t task_id = 0; task_id < lconf->n_tasks_all; ++task_id) {
		task = lconf->tasks_all[task_id];
		if (!(task->flags & FLAG_TX_FLUSH) || (task->flags & FLAG_NEVER_FLUSH)) {
			task->flags |= FLAG_TX_FLUSH;
			continue;
		}
		lconf->flush_queues[task_id](task);
	}
}

static inline void lconf_set_req(struct lcore_cfg *lconf)
{
	(*(volatile uint32_t *)&lconf->msg.req) = 1;
}

static inline void lconf_unset_req(struct lcore_cfg *lconf)
{
	(*(volatile uint32_t *)&lconf->msg.req) = 0;
}

static inline int lconf_is_req(struct lcore_cfg *lconf)
{
	return (*(volatile uint32_t *)&lconf->msg.req);
}

/* Returns non-zero when terminate has been requested */
int lconf_do_flags(struct lcore_cfg *lconf);

int lconf_get_task_id(const struct lcore_cfg *lconf, const struct task_base *task);
int lconf_task_is_running(const struct lcore_cfg *lconf, uint8_t task_id);

int lconf_run(void *dummy);

void lcore_cfg_alloc_hp(void);

/* Returns the next active lconf/targ pair. If *lconf = NULL, the
   first active lconf/targ pair is returned. If the last lconf/targ
   pair is passed, the function returns non-zero. */
int core_targ_next(struct lcore_cfg **lconf, struct task_args **targ, const int with_master);
/* Same as above, but uses non-huge page memory (used before
   lcore_cfg_alloc_hp is called). */
int core_targ_next_early(struct lcore_cfg **lconf, struct task_args **targ, const int with_master);

struct task_args *core_targ_get(uint32_t lcore_id, uint32_t task_id);

#endif /* _LCONF_H_ */