[systemd-devel] [PATCH 2/3] networkd: introduce vti6 tunnel
Tom Gundersen
teg at jklm.no
Wed Apr 29 12:55:19 PDT 2015
Applied. Thanks!
Tom
On Wed, Apr 22, 2015 at 10:44 AM, Susant Sahani <susant at redhat.com> wrote:
> This patch add support to create vti6 tunnel
>
> test:
>
> vt6.network
> [Match]
> Name=wlan0
>
> [Network]
> Tunnel=ip6vti
>
> vti6.netdev
> [NetDev]
> Name=ip6vti
> Kind=vti6
>
> [Tunnel]
> Local=2a00:ffde:4567:edde::4987
> Remote=2001:473:fece:cafe::5179
>
> ip link
>
> 11: ip6_vti0 at NONE: <NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT
> group default
> link/tunnel6 :: brd ::
> 12: ip6vti at wlan0: <POINTOPOINT,NOARP> mtu 1500 qdisc noop state DOWN
> mode DEFAULT group default
> link/tunnel6 2a00:ffde:4567:edde::4987 peer 2001:473:fece:cafe::5179
> ---
> src/libsystemd/sd-rtnl/rtnl-types.c | 3 +++
> src/libsystemd/sd-rtnl/rtnl-types.h | 1 +
> src/network/networkd-netdev-tunnel.c | 43 ++++++++++++++++++++++++++++++++++++
> src/network/networkd-netdev-tunnel.h | 1 +
> src/network/networkd-netdev.c | 2 ++
> src/network/networkd-netdev.h | 2 ++
> src/network/networkd-network.c | 1 +
> 7 files changed, 53 insertions(+)
>
> diff --git a/src/libsystemd/sd-rtnl/rtnl-types.c b/src/libsystemd/sd-rtnl/rtnl-types.c
> index a5c9fdf..d211684 100644
> --- a/src/libsystemd/sd-rtnl/rtnl-types.c
> +++ b/src/libsystemd/sd-rtnl/rtnl-types.c
> @@ -204,6 +204,7 @@ static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_
> [NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL] = "ip6gretap",
> [NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
> [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
> + [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = "vti6",
> [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = "ip6tnl",
> };
>
> @@ -238,6 +239,8 @@ static const NLTypeSystem rtnl_link_info_data_type_systems[_NL_UNION_LINK_INFO_D
> .types = rtnl_link_info_data_iptun_types },
> [NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
> .types = rtnl_link_info_data_ipvti_types },
> + [NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
> + .types = rtnl_link_info_data_ipvti_types },
> [NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ip6tnl_types) - 1,
> .types = rtnl_link_info_data_ip6tnl_types },
>
> diff --git a/src/libsystemd/sd-rtnl/rtnl-types.h b/src/libsystemd/sd-rtnl/rtnl-types.h
> index 72773ea..de1544b 100644
> --- a/src/libsystemd/sd-rtnl/rtnl-types.h
> +++ b/src/libsystemd/sd-rtnl/rtnl-types.h
> @@ -87,6 +87,7 @@ typedef enum NLUnionLinkInfoData {
> NL_UNION_LINK_INFO_DATA_IP6GRETAP_TUNNEL,
> NL_UNION_LINK_INFO_DATA_SIT_TUNNEL,
> NL_UNION_LINK_INFO_DATA_VTI_TUNNEL,
> + NL_UNION_LINK_INFO_DATA_VTI6_TUNNEL,
> NL_UNION_LINK_INFO_DATA_IP6TNL_TUNNEL,
> _NL_UNION_LINK_INFO_DATA_MAX,
> _NL_UNION_LINK_INFO_DATA_INVALID = -1
> diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c
> index 7aa9317..aef2ef4 100644
> --- a/src/network/networkd-netdev-tunnel.c
> +++ b/src/network/networkd-netdev-tunnel.c
> @@ -212,6 +212,31 @@ static int netdev_vti_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me
> return r;
> }
>
> +static int netdev_vti6_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
> + Tunnel *t = VTI6(netdev);
> + int r;
> +
> + assert(netdev);
> + assert(link);
> + assert(m);
> + assert(t);
> + assert(t->family == AF_INET6);
> +
> + r = sd_rtnl_message_append_u32(m, IFLA_VTI_LINK, link->ifindex);
> + if (r < 0)
> + return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LINK attribute: %m");
> +
> + r = sd_rtnl_message_append_in6_addr(m, IFLA_VTI_LOCAL, &t->local.in6);
> + if (r < 0)
> + return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_LOCAL attribute: %m");
> +
> + r = sd_rtnl_message_append_in6_addr(m, IFLA_VTI_REMOTE, &t->remote.in6);
> + if (r < 0)
> + return log_netdev_error_errno(netdev, r, "Could not append IFLA_IPTUN_REMOTE attribute: %m");
> +
> + return r;
> +}
> +
> static int netdev_ip6tnl_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
> Tunnel *t = IP6TNL(netdev);
> uint8_t proto;
> @@ -287,6 +312,9 @@ static int netdev_tunnel_verify(NetDev *netdev, const char *filename) {
> case NETDEV_KIND_VTI:
> t = VTI(netdev);
> break;
> + case NETDEV_KIND_VTI6:
> + t = VTI6(netdev);
> + break;
> case NETDEV_KIND_IP6TNL:
> t = IP6TNL(netdev);
> break;
> @@ -374,6 +402,12 @@ static void vti_init(NetDev *n) {
> Tunnel *t = VTI(n);
>
> assert(n);
> +
> + if (n->kind == NETDEV_KIND_VTI)
> + t = VTI(n);
> + else
> + t = VTI6(n);
> +
> assert(t);
>
> t->pmtudisc = true;
> @@ -447,6 +481,15 @@ const NetDevVTable vti_vtable = {
> .config_verify = netdev_tunnel_verify,
> };
>
> +const NetDevVTable vti6_vtable = {
> + .object_size = sizeof(Tunnel),
> + .init = vti_init,
> + .sections = "Match\0NetDev\0Tunnel\0",
> + .fill_message_create = netdev_vti6_fill_message_create,
> + .create_type = NETDEV_CREATE_STACKED,
> + .config_verify = netdev_tunnel_verify,
> +};
> +
> const NetDevVTable gre_vtable = {
> .object_size = sizeof(Tunnel),
> .init = gre_init,
> diff --git a/src/network/networkd-netdev-tunnel.h b/src/network/networkd-netdev-tunnel.h
> index 453d73c..88f57ac 100644
> --- a/src/network/networkd-netdev-tunnel.h
> +++ b/src/network/networkd-netdev-tunnel.h
> @@ -55,6 +55,7 @@ struct Tunnel {
> extern const NetDevVTable ipip_vtable;
> extern const NetDevVTable sit_vtable;
> extern const NetDevVTable vti_vtable;
> +extern const NetDevVTable vti6_vtable;
> extern const NetDevVTable gre_vtable;
> extern const NetDevVTable gretap_vtable;
> extern const NetDevVTable ip6gre_vtable;
> diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
> index 78f7c40..66fd0fa 100644
> --- a/src/network/networkd-netdev.c
> +++ b/src/network/networkd-netdev.c
> @@ -43,6 +43,7 @@ const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX] = {
> [NETDEV_KIND_IP6GRETAP] = &ip6gretap_vtable,
> [NETDEV_KIND_SIT] = &sit_vtable,
> [NETDEV_KIND_VTI] = &vti_vtable,
> + [NETDEV_KIND_VTI6] = &vti6_vtable,
> [NETDEV_KIND_VETH] = &veth_vtable,
> [NETDEV_KIND_DUMMY] = &dummy_vtable,
> [NETDEV_KIND_TUN] = &tun_vtable,
> @@ -65,6 +66,7 @@ static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
> [NETDEV_KIND_SIT] = "sit",
> [NETDEV_KIND_VETH] = "veth",
> [NETDEV_KIND_VTI] = "vti",
> + [NETDEV_KIND_VTI6] = "vti6",
> [NETDEV_KIND_DUMMY] = "dummy",
> [NETDEV_KIND_TUN] = "tun",
> [NETDEV_KIND_TAP] = "tap",
> diff --git a/src/network/networkd-netdev.h b/src/network/networkd-netdev.h
> index ff06067..8382606 100644
> --- a/src/network/networkd-netdev.h
> +++ b/src/network/networkd-netdev.h
> @@ -50,6 +50,7 @@ typedef enum NetDevKind {
> NETDEV_KIND_SIT,
> NETDEV_KIND_VETH,
> NETDEV_KIND_VTI,
> + NETDEV_KIND_VTI6,
> NETDEV_KIND_IP6TNL,
> NETDEV_KIND_DUMMY,
> NETDEV_KIND_TUN,
> @@ -169,6 +170,7 @@ DEFINE_CAST(IP6GRE, Tunnel);
> DEFINE_CAST(IP6GRETAP, Tunnel);
> DEFINE_CAST(SIT, Tunnel);
> DEFINE_CAST(VTI, Tunnel);
> +DEFINE_CAST(VTI6, Tunnel);
> DEFINE_CAST(IP6TNL, Tunnel);
> DEFINE_CAST(VETH, Veth);
> DEFINE_CAST(DUMMY, Dummy);
> diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
> index 64c1b9c..4d4972e 100644
> --- a/src/network/networkd-network.c
> +++ b/src/network/networkd-network.c
> @@ -513,6 +513,7 @@ int config_parse_tunnel(const char *unit,
> netdev->kind != NETDEV_KIND_IP6GRE &&
> netdev->kind != NETDEV_KIND_IP6GRETAP &&
> netdev->kind != NETDEV_KIND_VTI &&
> + netdev->kind != NETDEV_KIND_VTI6 &&
> netdev->kind != NETDEV_KIND_IP6TNL
> ) {
> log_syntax(unit, LOG_ERR, filename, line, EINVAL,
> --
> 2.3.5
>
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