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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
diff -Naur iproute-2.6.20-070313.orig/include/linux/pkt_sched.h iproute-2.6.20-070313/include/linux/pkt_sched.h
--- iproute-2.6.20-070313.orig/include/linux/pkt_sched.h 2007-03-13 14:50:56.000000000 -0700
+++ iproute-2.6.20-070313/include/linux/pkt_sched.h 2007-06-09 11:32:22.000000000 -0700
@@ -146,8 +146,37 @@
*
* The only reason for this is efficiency, it is possible
* to change these parameters in compile time.
+ *
+ * If you need to play with these values, use esfq instead.
*/
+/* ESFQ section */
+
+enum
+{
+ /* traditional */
+ TCA_SFQ_HASH_CLASSIC,
+ TCA_SFQ_HASH_DST,
+ TCA_SFQ_HASH_SRC,
+ TCA_SFQ_HASH_FWMARK,
+ /* conntrack */
+ TCA_SFQ_HASH_CTORIGDST,
+ TCA_SFQ_HASH_CTORIGSRC,
+ TCA_SFQ_HASH_CTREPLDST,
+ TCA_SFQ_HASH_CTREPLSRC,
+ TCA_SFQ_HASH_CTNATCHG,
+};
+
+struct tc_esfq_qopt
+{
+ unsigned quantum; /* Bytes per round allocated to flow */
+ int perturb_period; /* Period of hash perturbation */
+ __u32 limit; /* Maximal packets in queue */
+ unsigned divisor; /* Hash divisor */
+ unsigned flows; /* Maximal number of flows */
+ unsigned hash_kind; /* Hash function to use for flow identification */
+};
+
/* RED section */
enum
diff -Naur iproute-2.6.20-070313.orig/tc/Makefile iproute-2.6.20-070313/tc/Makefile
--- iproute-2.6.20-070313.orig/tc/Makefile 2007-03-13 14:50:56.000000000 -0700
+++ iproute-2.6.20-070313/tc/Makefile 2007-06-09 00:39:44.000000000 -0700
@@ -7,6 +7,7 @@
TCMODULES :=
TCMODULES += q_fifo.o
TCMODULES += q_sfq.o
+TCMODULES += q_esfq.o
TCMODULES += q_red.o
TCMODULES += q_prio.o
TCMODULES += q_tbf.o
diff -Naur iproute-2.6.20-070313.orig/tc/q_esfq.c iproute-2.6.20-070313/tc/q_esfq.c
--- iproute-2.6.20-070313.orig/tc/q_esfq.c 1969-12-31 16:00:00.000000000 -0800
+++ iproute-2.6.20-070313/tc/q_esfq.c 2007-06-09 11:38:59.000000000 -0700
@@ -0,0 +1,198 @@
+/*
+ * q_esfq.c ESFQ.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ * Changes: Alexander Atanasov, <alex@ssi.bg>
+ * Alexander Clouter, <alex@digriz.org.uk>
+ * Corey Hickey, <bugfood-c@fatooh.org>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <fcntl.h>
+#include <math.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+
+#include "utils.h"
+#include "tc_util.h"
+
+static void explain(void)
+{
+ fprintf(stderr, "Usage: ... esfq [ perturb SECS ] [ quantum BYTES ] [ depth FLOWS ]\n\t[ divisor HASHBITS ] [ limit PKTS ] [ hash HASHTYPE]\n");
+ fprintf(stderr,"Where: \n");
+ fprintf(stderr,"HASHTYPE := { classic | src | dst | fwmark | ctorigdst | ctorigsrc | ctrepldst | ctreplsrc | ctnatchg}\n");
+}
+
+#define usage() return(-1)
+
+static int esfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
+{
+ int ok=0;
+ struct tc_esfq_qopt opt;
+
+ memset(&opt, 0, sizeof(opt));
+
+ opt.hash_kind= TCA_SFQ_HASH_CLASSIC;
+
+ while (argc > 0) {
+ if (strcmp(*argv, "quantum") == 0) {
+ NEXT_ARG();
+ if (get_size(&opt.quantum, *argv)) {
+ fprintf(stderr, "Illegal \"quantum\"\n");
+ return -1;
+ }
+ ok++;
+ } else if (strcmp(*argv, "perturb") == 0) {
+ NEXT_ARG();
+ if (get_integer(&opt.perturb_period, *argv, 0)) {
+ fprintf(stderr, "Illegal \"perturb\"\n");
+ return -1;
+ }
+ ok++;
+ } else if (strcmp(*argv, "depth") == 0) {
+ NEXT_ARG();
+ if (get_integer((int *) &opt.flows, *argv, 0)) {
+ fprintf(stderr, "Illegal \"depth\"\n");
+ return -1;
+ }
+ ok++;
+ } else if (strcmp(*argv, "divisor") == 0) {
+ NEXT_ARG();
+ if (get_integer((int *) &opt.divisor, *argv, 0)) {
+ fprintf(stderr, "Illegal \"divisor\"\n");
+ return -1;
+ }
+ if(opt.divisor >= 15) {
+ fprintf(stderr, "Illegal \"divisor\": must be < 15\n");
+ return -1;
+ }
+ opt.divisor=pow(2,opt.divisor);
+ ok++;
+ } else if (strcmp(*argv, "limit") == 0) {
+ NEXT_ARG();
+ if (get_integer((int *) &opt.limit, *argv, 0)) {
+ fprintf(stderr, "Illegal \"limit\"\n");
+ return -1;
+ }
+ ok++;
+ } else if (strcmp(*argv, "hash") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "classic") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_CLASSIC;
+ } else if (strcmp(*argv, "dst") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_DST;
+ } else if (strcmp(*argv, "src") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_SRC;
+ } else if (strcmp(*argv, "fwmark") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_FWMARK;
+ } else if (strcmp(*argv, "ctorigsrc") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_CTORIGSRC;
+ } else if (strcmp(*argv, "ctorigdst") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_CTORIGDST;
+ } else if (strcmp(*argv, "ctreplsrc") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_CTREPLSRC;
+ } else if (strcmp(*argv, "ctrepldst") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_CTREPLDST;
+ } else if (strcmp(*argv, "ctnatchg") == 0) {
+ opt.hash_kind = TCA_SFQ_HASH_CTNATCHG;
+ } else {
+ fprintf(stderr, "Illegal \"hash\"\n");
+ explain();
+ return -1;
+ }
+ ok++;
+ } else if (strcmp(*argv, "help") == 0) {
+ explain();
+ return -1;
+ } else {
+ fprintf(stderr, "What is \"%s\"?\n", *argv);
+ explain();
+ return -1;
+ }
+ argc--; argv++;
+ }
+
+ if (ok)
+ addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
+ return 0;
+}
+
+static int esfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct tc_esfq_qopt *qopt;
+ SPRINT_BUF(b1);
+
+ if (opt == NULL)
+ return 0;
+
+ if (RTA_PAYLOAD(opt) < sizeof(*qopt))
+ return -1;
+ qopt = RTA_DATA(opt);
+ fprintf(f, "quantum %s ", sprint_size(qopt->quantum, b1));
+ if (show_details) {
+ fprintf(f, "limit %up flows %u/%u ",
+ qopt->limit, qopt->flows, qopt->divisor);
+ }
+ if (qopt->perturb_period)
+ fprintf(f, "perturb %dsec ", qopt->perturb_period);
+
+ fprintf(f,"hash: ");
+ switch(qopt->hash_kind)
+ {
+ case TCA_SFQ_HASH_CLASSIC:
+ fprintf(f,"classic");
+ break;
+ case TCA_SFQ_HASH_DST:
+ fprintf(f,"dst");
+ break;
+ case TCA_SFQ_HASH_SRC:
+ fprintf(f,"src");
+ break;
+ case TCA_SFQ_HASH_FWMARK:
+ fprintf(f,"fwmark");
+ break;
+ case TCA_SFQ_HASH_CTORIGSRC:
+ fprintf(f,"ctorigsrc");
+ break;
+ case TCA_SFQ_HASH_CTORIGDST:
+ fprintf(f,"ctorigdst");
+ break;
+ case TCA_SFQ_HASH_CTREPLSRC:
+ fprintf(f,"ctreplsrc");
+ break;
+ case TCA_SFQ_HASH_CTREPLDST:
+ fprintf(f,"ctrepldst");
+ break;
+ case TCA_SFQ_HASH_CTNATCHG:
+ fprintf(f,"ctnatchg");
+ break;
+ default:
+ fprintf(f,"Unknown");
+ }
+ return 0;
+}
+
+static int esfq_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
+{
+ return 0;
+}
+
+
+struct qdisc_util esfq_qdisc_util = {
+ .id = "esfq",
+ .parse_qopt = esfq_parse_opt,
+ .print_qopt = esfq_print_opt,
+ .print_xstats = esfq_print_xstats,
+};
|
