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platform: add vxlan support

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Add a new method to the platform code to create vxlan devices.
This commit is contained in:
Beniamino Galvani
2015-10-14 10:01:48 +02:00
parent 7da440b798
commit 01e95c8c95
4 changed files with 137 additions and 1 deletions
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76
src/platform/nm-linux-platform.c
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@@ -25,6 +25,7 @@
#include <sys/ioctl.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <arpa/inet.h>
#include <netinet/icmp6.h>
#include <netinet/in.h>
#include <linux/ip.h>
@@ -4466,6 +4467,80 @@ nla_put_failure:
g_return_val_if_reached (FALSE);
}
static gboolean
link_vxlan_add (NMPlatform *platform,
const char *name,
NMPlatformLnkVxlan *props,
NMPlatformLink *out_link)
{
nm_auto_nlmsg struct nl_msg *nlmsg = NULL;
struct nlattr *info;
struct nlattr *data;
struct nm_ifla_vxlan_port_range port_range;
g_return_val_if_fail (props, FALSE);
_LOGD ("link: add vxlan '%s', parent %d, vxlan id %d",
name, props->parent_ifindex, props->id);
nlmsg = _nl_msg_new_link (RTM_NEWLINK,
NLM_F_CREATE,
0,
name,
0,
0);
if (!nlmsg)
return FALSE;
if (!(info = nla_nest_start (nlmsg, IFLA_LINKINFO)))
goto nla_put_failure;
NLA_PUT_STRING (nlmsg, IFLA_INFO_KIND, "vxlan");
if (!(data = nla_nest_start (nlmsg, IFLA_INFO_DATA)))
goto nla_put_failure;
NLA_PUT_U32 (nlmsg, IFLA_VXLAN_ID, props->id);
if (props->group)
NLA_PUT (nlmsg, IFLA_VXLAN_GROUP, sizeof (props->group), &props->group);
else if (memcmp (&props->group6, &in6addr_any, sizeof (in6addr_any)))
NLA_PUT (nlmsg, IFLA_VXLAN_GROUP6, sizeof (props->group6), &props->group6);
if (props->local)
NLA_PUT (nlmsg, IFLA_VXLAN_LOCAL, sizeof (props->local), &props->local);
else if (memcmp (&props->local6, &in6addr_any, sizeof (in6addr_any)))
NLA_PUT (nlmsg, IFLA_VXLAN_LOCAL6, sizeof (props->local6), &props->local6);
if (props->parent_ifindex >= 0)
NLA_PUT_U32 (nlmsg, IFLA_VXLAN_LINK, props->parent_ifindex);
if (props->src_port_min || props->src_port_max) {
port_range.low = htons (props->src_port_min);
port_range.high = htons (props->src_port_max);
NLA_PUT (nlmsg, IFLA_VXLAN_PORT_RANGE, sizeof (port_range), &port_range);
}
NLA_PUT_U16 (nlmsg, IFLA_VXLAN_PORT, htons (props->dst_port));
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_TOS, props->tos);
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_TTL, props->ttl);
NLA_PUT_U32 (nlmsg, IFLA_VXLAN_AGEING, props->ageing);
NLA_PUT_U32 (nlmsg, IFLA_VXLAN_LIMIT, props->limit);
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_LEARNING, !!props->learning);
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_PROXY, !!props->proxy);
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_RSC, !!props->rsc);
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_L2MISS, !!props->l2miss);
NLA_PUT_U8 (nlmsg, IFLA_VXLAN_L3MISS, !!props->l3miss);
nla_nest_end (nlmsg, data);
nla_nest_end (nlmsg, info);
return do_add_link_with_lookup (platform, NM_LINK_TYPE_VXLAN, name, nlmsg, out_link);
nla_put_failure:
g_return_val_if_reached (FALSE);
}
static void
_vlan_change_vlan_qos_mapping_create (gboolean is_ingress_map,
gboolean reset_all,
@@ -5899,6 +5974,7 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
platform_class->vlan_add = vlan_add;
platform_class->link_vlan_change = link_vlan_change;
platform_class->link_vxlan_add = link_vxlan_add;
platform_class->tun_add = tun_add;