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vxlan: add support for port range

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This commit is contained in:
Stephen Hemminger 2012-10-09 23:39:17 -07:00
parent ea63a69b6d
commit 2d596120cf
2 changed files with 41 additions and 16 deletions
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6
include/linux/if_link.h
View File

@ -282,10 +282,16 @@ enum {
IFLA_VXLAN_LEARNING,
IFLA_VXLAN_AGEING,
IFLA_VXLAN_LIMIT,
IFLA_VXLAN_PORT_RANGE,
__IFLA_VXLAN_MAX
};
#define IFLA_VXLAN_MAX (__IFLA_VXLAN_MAX - 1)
struct ifla_vxlan_port_range {
__be16 low;
__be16 high;
};
/* SR-IOV virtual function management section */
enum {

51
ip/iplink_vxlan.c
View File

@ -24,7 +24,8 @@
static void explain(void)
{
fprintf(stderr, "Usage: ... vxlan id VNI [ group ADDR ] [ local ADDR ]\n");
fprintf(stderr, " [ ttl TTL ] [ tos TOS ] [ [no]learning ] [ dev PHYS_DEV ]\n");
fprintf(stderr, " [ ttl TTL ] [ tos TOS ] [ dev PHYS_DEV ]\n");
fprintf(stderr, " [ port MIN MAX ] [ [no]learning ]\n");
fprintf(stderr, "\n");
fprintf(stderr, "Where: VNI := 0-16777215\n");
fprintf(stderr, " ADDR := { IP_ADDRESS | any }\n");
@ -46,6 +47,7 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
__u8 noage = 0;
__u32 age = 0;
__u32 maxaddr = 0;
struct ifla_vxlan_port_range range = { 0, 0 };
while (argc > 0) {
if (!matches(*argv, "id") ||
@ -79,9 +81,9 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (get_unsigned(&uval, *argv, 0))
invarg("invalid TTL\n", *argv);
invarg("invalid TTL", *argv);
if (uval > 255)
invarg("TTL must be <= 255\n", *argv);
invarg("TTL must be <= 255", *argv);
ttl = uval;
}
} else if (!matches(*argv, "tos") ||
@ -100,13 +102,23 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
if (strcmp(*argv, "none") == 0)
noage = 1;
else if (get_u32(&age, *argv, 0))
invarg("ageing timer\n", *argv);
invarg("ageing timer", *argv);
} else if (!matches(*argv, "maxaddress")) {
NEXT_ARG();
if (strcmp(*argv, "unlimited") == 0)
maxaddr = 0;
else if (get_u32(&maxaddr, *argv, 0))
invarg("max addresses\n", *argv);
invarg("max addresses", *argv);
} else if (!matches(*argv, "port")) {
__u16 minport, maxport;
NEXT_ARG();
if (get_u16(&minport, *argv, 0))
invarg("min port", *argv);
NEXT_ARG();
if (get_u16(&maxport, *argv, 0))
invarg("max port", *argv);
range.low = htons(minport);
range.high = htons(maxport);
} else if (!matches(*argv, "nolearning")) {
learning = 0;
} else if (!matches(*argv, "learning")) {
@ -140,6 +152,9 @@ static int vxlan_parse_opt(struct link_util *lu, int argc, char **argv,
addattr32(n, 1024, IFLA_VXLAN_AGEING, age);
if (maxaddr)
addattr32(n, 1024, IFLA_VXLAN_LIMIT, maxaddr);
if (range.low || range.high)
addattr_l(n, 1024, IFLA_VXLAN_PORT_RANGE,
&range, sizeof(range));
return 0;
}
@ -148,6 +163,8 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 vni;
unsigned link;
__u8 tos;
__u32 maxaddr;
char s1[1024];
char s2[64];
@ -187,13 +204,18 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
fprintf(f, "dev %u ", link);
}
if (tb[IFLA_VXLAN_PORT_RANGE]) {
const struct ifla_vxlan_port_range *r
= RTA_DATA(tb[IFLA_VXLAN_PORT_RANGE]);
fprintf(f, "port %u %u ", ntohs(r->low), ntohs(r->high));
}
if (tb[IFLA_VXLAN_LEARNING] &&
!rta_getattr_u8(tb[IFLA_VXLAN_LEARNING]))
fputs("nolearning ", f);
if (tb[IFLA_VXLAN_TOS]) {
__u8 tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]);
if (tb[IFLA_VXLAN_TOS] &&
(tos = rta_getattr_u8(tb[IFLA_VXLAN_TOS]))) {
if (tos == 1)
fprintf(f, "tos inherit ");
else
@ -213,13 +235,10 @@ static void vxlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
else
fprintf(f, "ageing %u ", age);
}
if (tb[IFLA_VXLAN_LIMIT]) {
__u32 maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT]);
if (maxaddr == 0)
fprintf(f, "maxaddr unlimited ");
else
fprintf(f, "maxaddr %u ", maxaddr);
}
if (tb[IFLA_VXLAN_LIMIT] &&
(maxaddr = rta_getattr_u32(tb[IFLA_VXLAN_LIMIT]) != 0))
fprintf(f, "maxaddr %u ", maxaddr);
}
struct link_util vxlan_link_util = {