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iplink_geneve: add tos configuration at link creation

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Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2015-06-15 14:37:16 -04:00 committed by Stephen Hemminger
parent f4c05c2e99
commit f4739b2ee7
3 changed files with 32 additions and 1 deletions
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1
include/linux/if_link.h
View File

@ -394,6 +394,7 @@ enum {
IFLA_GENEVE_ID,
IFLA_GENEVE_REMOTE,
IFLA_GENEVE_TTL,
IFLA_GENEVE_TOS,
__IFLA_GENEVE_MAX
};
#define IFLA_GENEVE_MAX (__IFLA_GENEVE_MAX - 1)

26
ip/iplink_geneve.c
View File

@ -11,16 +11,18 @@
#include <stdio.h>
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
static void print_explain(FILE *f)
{
fprintf(f, "Usage: ... geneve id VNI remote ADDR\n");
fprintf(f, " [ ttl TTL ]\n");
fprintf(f, " [ ttl TTL ] [ tos TOS ]\n");
fprintf(f, "\n");
fprintf(f, "Where: VNI := 0-16777215\n");
fprintf(f, " ADDR := IP_ADDRESS\n");
fprintf(f, " TOS := { NUMBER | inherit }\n");
fprintf(f, " TTL := { 1..255 | inherit }\n");
}
@ -37,6 +39,7 @@ static int geneve_parse_opt(struct link_util *lu, int argc, char **argv,
__u32 daddr = 0;
struct in6_addr daddr6 = IN6ADDR_ANY_INIT;
__u8 ttl = 0;
__u8 tos = 0;
while (argc > 0) {
if (!matches(*argv, "id") ||
@ -66,6 +69,17 @@ static int geneve_parse_opt(struct link_util *lu, int argc, char **argv,
invarg("TTL must be <= 255", *argv);
ttl = uval;
}
} else if (!matches(*argv, "tos") ||
!matches(*argv, "dsfield")) {
__u32 uval;
NEXT_ARG();
if (strcmp(*argv, "inherit") != 0) {
if (rtnl_dsfield_a2n(&uval, *argv))
invarg("bad TOS value", *argv);
tos = uval;
} else
tos = 1;
} else if (matches(*argv, "help") == 0) {
explain();
return -1;
@ -95,6 +109,7 @@ static int geneve_parse_opt(struct link_util *lu, int argc, char **argv,
if (daddr)
addattr_l(n, 1024, IFLA_GENEVE_REMOTE, &daddr, 4);
addattr8(n, 1024, IFLA_GENEVE_TTL, ttl);
addattr8(n, 1024, IFLA_GENEVE_TOS, tos);
return 0;
}
@ -103,6 +118,7 @@ static void geneve_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
{
__u32 vni;
char s1[1024];
__u8 tos;
if (!tb)
return;
@ -126,6 +142,14 @@ static void geneve_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
if (ttl)
fprintf(f, "ttl %d ", ttl);
}
if (tb[IFLA_GENEVE_TOS] &&
(tos = rta_getattr_u8(tb[IFLA_GENEVE_TOS]))) {
if (tos == 1)
fprintf(f, "tos inherit ");
else
fprintf(f, "tos %#x ", tos);
}
}
static void geneve_print_help(struct link_util *lu, int argc, char **argv,

6
man/man8/ip-link.8.in
View File

@ -608,6 +608,8 @@ the following additional arguments are supported:
.BI type " geneve " id " ID " remote " IPADDR"
.R " [ "
.BI ttl " TTL "
.R " ] [ "
.BI tos " TOS "
.R " ]"
.in +8
@ -623,6 +625,10 @@ the following additional arguments are supported:
.BI ttl " TTL"
- specifies the TTL value to use in outgoing packets.
.sp
.BI tos " TOS"
- specifies the TOS value to use in outgoing packets.
.in -8
.SS ip link delete - delete virtual link