| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Sat, 5 Nov 2011 18:05:51 +0100
From: David Lamparter <equinox@...c24.net>
To: Stephen Hemminger <shemminger@...tta.com>
Cc: netdev@...r.kernel.org, David Lamparter <equinox@...c24.net>
Subject: [PATCH iproute2] link/vlan: Add 802.1ad / QinQ support
this adds the IFLA_VLAN_PROTOCOL attribute to the link family of
commands. The attribute is only added when a protocol is given on the
command line and only displayed if it has a value other than 0x8100.
Signed-off-by: David Lamparter <equinox@...c24.net>
---
include/linux/if_link.h | 1 +
ip/iplink_vlan.c | 34 ++++++++++++++++++++++++++++++++--
2 files changed, 33 insertions(+), 2 deletions(-)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 304c44f..0e6eeec 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -223,6 +223,7 @@ enum {
IFLA_VLAN_FLAGS,
IFLA_VLAN_EGRESS_QOS,
IFLA_VLAN_INGRESS_QOS,
+ IFLA_VLAN_PROTOCOL,
__IFLA_VLAN_MAX,
};
diff --git a/ip/iplink_vlan.c b/ip/iplink_vlan.c
index 223feb3..95a5dae 100644
--- a/ip/iplink_vlan.c
+++ b/ip/iplink_vlan.c
@@ -13,6 +13,7 @@
#include <stdlib.h>
#include <string.h>
#include <linux/if_vlan.h>
+#include <linux/if_ether.h>
#include "rt_names.h"
#include "utils.h"
@@ -21,7 +22,7 @@
static void explain(void)
{
fprintf(stderr,
- "Usage: ... vlan id VLANID [ FLAG-LIST ]\n"
+ "Usage: ... vlan id VLANID [ protocol ENCAPSULATION ] [ FLAG-LIST ]\n"
" [ ingress-qos-map QOS-MAP ] [ egress-qos-map QOS-MAP ]\n"
"\n"
"VLANID := 0-4095\n"
@@ -30,6 +31,7 @@ static void explain(void)
" [ loose_binding { on | off } ]\n"
"QOS-MAP := [ QOS-MAP ] QOS-MAPPING\n"
"QOS-MAPPING := FROM:TO\n"
+ "ENCAPSULATION := 802.1Q | 802.1ad | 9100 | 9200 | 9300\n"
);
}
@@ -77,7 +79,7 @@ static int vlan_parse_opt(struct link_util *lu, int argc, char **argv,
struct nlmsghdr *n)
{
struct ifla_vlan_flags flags = { 0 };
- __u16 id;
+ __u16 id, proto;
while (argc > 0) {
if (matches(*argv, "id") == 0) {
@@ -85,6 +87,21 @@ static int vlan_parse_opt(struct link_util *lu, int argc, char **argv,
if (get_u16(&id, *argv, 0))
invarg("id is invalid", *argv);
addattr_l(n, 1024, IFLA_VLAN_ID, &id, 2);
+ } else if (matches(*argv, "protocol") == 0) {
+ NEXT_ARG();
+ if (strcmp(*argv, "802.1Q") == 0)
+ proto = ETH_P_8021Q;
+ else if (strcmp(*argv, "802.1ad") == 0)
+ proto = ETH_P_8021AD;
+ else if (strcmp(*argv, "9100") == 0)
+ proto = 0x9100;
+ else if (strcmp(*argv, "9200") == 0)
+ proto = 0x9200;
+ else if (strcmp(*argv, "9300") == 0)
+ proto = 0x9300;
+ else
+ invarg("protocol is invalid", *argv);
+ addattr_l(n, 1024, IFLA_VLAN_PROTOCOL, &proto, 2);
} else if (matches(*argv, "reorder_hdr") == 0) {
NEXT_ARG();
flags.mask |= VLAN_FLAG_REORDER_HDR;
@@ -183,6 +200,19 @@ static void vlan_print_opt(struct link_util *lu, FILE *f, struct rtattr *tb[])
RTA_PAYLOAD(tb[IFLA_VLAN_ID]) < sizeof(__u16))
return;
+ if (tb[IFLA_VLAN_PROTOCOL]) {
+ unsigned protocol = *(__u16 *)RTA_DATA(tb[IFLA_VLAN_PROTOCOL]);
+ switch (protocol) {
+ case ETH_P_8021Q:
+ break;
+ case ETH_P_8021AD:
+ fprintf(f, "protocol 802.1ad ");
+ break;
+ default:
+ fprintf(f, "protocol %04x ", protocol);
+ break;
+ }
+ }
fprintf(f, "id %u ", *(__u16 *)RTA_DATA(tb[IFLA_VLAN_ID]));
if (tb[IFLA_VLAN_FLAGS]) {
--
1.7.7
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists