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
|
Description: Fan driver support VXLAN (p4)
Fan driver setup support for vxlan interfaces.
Index: iproute2-4.3.0/include/linux/if_link.h
===================================================================
--- iproute2-4.3.0.orig/include/linux/if_link.h
+++ iproute2-4.3.0/include/linux/if_link.h
@@ -392,6 +392,7 @@ enum {
IFLA_VXLAN_GBP,
IFLA_VXLAN_REMCSUM_NOPARTIAL,
IFLA_VXLAN_COLLECT_METADATA,
+ IFLA_VXLAN_FAN_MAP = 33,
__IFLA_VXLAN_MAX
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
Index: iproute2-4.3.0/include/linux/if_tunnel.h
===================================================================
--- iproute2-4.3.0.orig/include/linux/if_tunnel.h
+++ iproute2-4.3.0/include/linux/if_tunnel.h
@@ -145,7 +145,7 @@ enum {
#define IFLA_FAN_MAX (__IFLA_FAN_MAX - 1)
-struct ip_tunnel_fan_map {
+struct ifla_fan_map {
__be32 underlay;
__be32 overlay;
__u16 underlay_prefix;
Index: iproute2-4.3.0/ip/iplink_vxlan.c
===================================================================
--- iproute2-4.3.0.orig/ip/iplink_vxlan.c
+++ iproute2-4.3.0/ip/iplink_vxlan.c
@@ -15,7 +15,10 @@
#include <net/if.h>
#include <linux/ip.h>
#include <linux/if_link.h>
+#include <linux/types.h>
#include <arpa/inet.h>
+#include <linux/in6.h>
+#include <linux/if_tunnel.h>
#include "rt_names.h"
#include "utils.h"
@@ -43,6 +46,45 @@ static void explain(void)
print_explain(stderr);
}
+static int fan_parse_map(int *argcp, char ***argvp, struct nlmsghdr *n)
+{
+ inet_prefix underlay, overlay;
+ struct ifla_fan_map map;
+ struct rtattr *nest;
+ char **argv = *argvp;
+ int argc = *argcp;
+
+ nest = addattr_nest(n, 1024, IFLA_VXLAN_FAN_MAP);
+ while (argc > 0) {
+ char *colon = strchr(*argv, ':');
+
+ if (!colon) {
+ PREV_ARG();
+ break;
+ }
+ *colon = '\0';
+
+ if (get_prefix(&overlay, *argv, AF_INET))
+ invarg("invalid fan-map overlay", *argv);
+ if (get_prefix(&underlay, colon + 1, AF_INET))
+ invarg("invalid fan-map underlay", colon + 1);
+
+ memcpy(&map.underlay, underlay.data, 4);
+ map.underlay_prefix = underlay.bitlen;
+ memcpy(&map.overlay, overlay.data, 4);
+ map.overlay_prefix = overlay.bitlen;
+
+ argc--, argv++;
+
+ addattr_l(n, 1024, IFLA_FAN_MAPPING, &map, sizeof(map));
+ }
+ addattr_nest_end(n, nest);
+
+ *argcp = argc;
+ *argvp = argv;
+ return 0;
+}
+
static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
@@ -201,6 +243,10 @@ static int vxlan_parse_opt(struct link_u
udp6zerocsumrx = 0;
} else if (!matches(*argv, "gbp")) {
gbp = 1;
+ } else if (!matches(*argv, "fan-map")) {
+ NEXT_ARG();
+ if (fan_parse_map(&argc, &argv, n))
+ invarg("invalid fan-map", *argv);
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
@@ -279,6 +325,28 @@ static int vxlan_parse_opt(struct link_u
return 0;
}
+static void fan_print_map(FILE *f, struct rtattr *attr)
+{
+ char b1[INET_ADDRSTRLEN], b2[INET_ADDRSTRLEN];
+ struct ifla_fan_map *m;
+ struct rtattr *i;
+ int rem;
+ int p;
+
+ fprintf(f, "fan-map ");
+
+ rem = RTA_PAYLOAD(attr);
+ for (i = RTA_DATA(attr); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
+ p = RTA_PAYLOAD(i);
+ m = RTA_DATA(i);
+ fprintf(f, "%s/%d:%s/%d ",
+ rt_addr_n2a(AF_INET, p, &m->overlay, b1, INET_ADDRSTRLEN),
+ m->overlay_prefix,
+ rt_addr_n2a(AF_INET, p, &m->underlay, b2, INET_ADDRSTRLEN),
+ m->underlay_prefix);
+ }
+}
+
static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 vni;
@@ -321,6 +389,9 @@ static void vxlan_print_opt(struct link_
}
}
+ if (tb[IFLA_VXLAN_FAN_MAP])
+ fan_print_map(f, tb[IFLA_VXLAN_FAN_MAP]);
+
if (tb[IFLA_VXLAN_LOCAL]) {
__be32 addr = rta_getattr_u32(tb[IFLA_VXLAN_LOCAL]);
if (addr)
Index: iproute2-4.3.0/ip/link_iptnl.c
===================================================================
--- iproute2-4.3.0.orig/ip/link_iptnl.c
+++ iproute2-4.3.0/ip/link_iptnl.c
@@ -49,10 +49,11 @@ static void usage(int sit)
print_usage(stderr, sit);
exit(-1);
}
+
static int fan_parse_map(int *argcp, char ***argvp, struct nlmsghdr *n)
{
inet_prefix underlay, overlay;
- struct ip_tunnel_fan_map map;
+ struct ifla_fan_map map;
struct rtattr *nest;
char **argv = *argvp;
int argc = *argcp;
@@ -61,8 +62,10 @@ static int fan_parse_map(int *argcp, cha
while (argc > 0) {
char *colon = strchr(*argv, ':');
- if (!colon)
+ if (!colon) {
+ PREV_ARG();
break;
+ }
*colon = '\0';
if (get_prefix(&overlay, *argv, AF_INET))
@@ -371,7 +374,7 @@ get_failed:
static void fan_print_map(FILE *f, struct rtattr *attr)
{
char b1[INET_ADDRSTRLEN], b2[INET_ADDRSTRLEN];
- struct ip_tunnel_fan_map *m;
+ struct ifla_fan_map *m;
struct rtattr *i;
int rem;
int p;
|