eyeq/params.h at master · jvimal/eyeq · GitHub

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
#ifndef __PARAMS_H__
#define __PARAMS_H__


#include <linux/types.h>
#include <net/pkt_sched.h>

#ifdef QDISC
#include "qdisc.h"
#else
extern struct net_device *iso_netdev;
#endif

extern int ISO_FALPHA;

/* All rates are in Mbps */
extern int ISO_MAX_TX_RATE;

// The VQ's net drain rate in Mbps is 90% of 10G ~ 9000 Mbps
extern int ISO_VQ_DRAIN_RATE_MBPS;
extern int ISO_MAX_BURST_TIME_US;
extern int ISO_MIN_BURST_BYTES;
extern int ISO_RATEMEASURE_INTERVAL_US;
extern int ISO_TOKENBUCKET_TIMEOUT_NS;
extern int ISO_TOKENBUCKET_MARK_THRESH_BYTES;
extern int ISO_TOKENBUCKET_DROP_THRESH_BYTES;
extern int ISO_VQ_MARK_THRESH_BYTES;
extern int ISO_VQ_MAX_BYTES;
extern int ISO_RFAIR_INITIAL;
extern int ISO_MIN_RFAIR;
extern int ISO_RFAIR_INCREMENT;
extern int ISO_RFAIR_DECREASE_INTERVAL_US;
extern int ISO_RFAIR_INCREASE_INTERVAL_US;
extern int ISO_RFAIR_FEEDBACK_TIMEOUT_US;
extern int ISO_RFAIR_FEEDBACK_TIMEOUT_DEFAULT_RATE;
extern int IsoGlobalEnabled;
extern int IsoAutoGenerateFeedback;
extern int ISO_FEEDBACK_INTERVAL_US;
extern int ISO_FEEDBACK_INTERVAL_BYTES;

// TODO: We are assuming that we don't need to do any VLAN tag
// ourselves
extern const int ISO_FEEDBACK_PACKET_SIZE;
extern const u16 ISO_FEEDBACK_HEADER_SIZE;
extern const u8 ISO_FEEDBACK_PACKET_TTL;
extern int ISO_FEEDBACK_PACKET_IPPROTO; // should be some unused protocol

// New parameters
extern int ISO_RL_UPDATE_INTERVAL_US;
extern int ISO_BURST_FACTOR;
extern int ISO_VQ_UPDATE_INTERVAL_US;
extern int ISO_TXC_UPDATE_INTERVAL_US;
extern int ISO_VQ_REFRESH_INTERVAL_US;
extern int ISO_MAX_QUEUE_LEN_BYTES;
extern int ISO_TX_MARK_THRESH;
extern int ISO_GSO_THRESH_RATE;
extern int ISO_GSO_MIN_SPLIT_BYTES;
extern int ISO_ECN_MARK_THRESH_BYTES;
extern int ISO_VQ_HRCP_US;

// MUST be 1 less than a power of 2
#define ISO_MAX_QUEUE_LEN_PKT (127)

/* These MUST be a power of 2 as well */
#define ISO_MAX_TX_BUCKETS (256)
#define ISO_MAX_RL_BUCKETS (256)
#define ISO_MAX_STATE_BUCKETS (256)
#define ISO_MAX_VQ_BUCKETS (256)

#define ISO_IDLE_TIMEOUT_US (100 * 1000 * 10 * 1000)
#define ISO_IDLE_RATE (2500)
#define ISO_GSO_MAX_SIZE (32767)

struct iso_param {
	char name[64];
	int *ptr;
};

extern struct iso_param iso_params[64];
extern int iso_num_params;

int iso_params_init(void);
void iso_params_exit(void);

int iso_enabled(struct net_device *dev);

#endif /* __PARAMS_H__ */

/* Local Variables: */
/* indent-tabs-mode:t */
/* End: */