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authorSusant Sahani <susant@redhat.com>2014-12-20 13:35:06 +0530
committerTom Gundersen <teg@jklm.no>2015-01-22 21:29:41 +0100
commit1af2536acf8aecc3eb940d04268a419c956ee10a (patch)
tree41494d788c0bf6dca9bacabe5ae9a0d786bddc10
parent34109a531fb3b26fa00f0261987c7cca710e42aa (diff)
networkd: introduce gretap
This patch introdeces gretap to networkd
-rw-r--r--man/systemd.netdev.xml11
-rw-r--r--src/libsystemd/sd-rtnl/rtnl-types.c3
-rw-r--r--src/libsystemd/sd-rtnl/rtnl-types.h1
-rw-r--r--src/network/networkd-netdev-tunnel.c32
-rw-r--r--src/network/networkd-netdev-tunnel.h1
-rw-r--r--src/network/networkd-netdev.c2
-rw-r--r--src/network/networkd-netdev.h2
-rw-r--r--src/network/networkd-network.c1
8 files changed, 44 insertions, 9 deletions
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml
index 03b0940716..ca50558644 100644
--- a/man/systemd.netdev.xml
+++ b/man/systemd.netdev.xml
@@ -166,9 +166,10 @@
<literal>macvlan</literal>,
<literal>ipvlan</literal>, <literal>vxlan</literal>,
<literal>ipip</literal>, <literal>gre</literal>,
- <literal>sit</literal>, <literal>vti</literal>,
- <literal>veth</literal>, <literal>tun</literal>,
- <literal>tap</literal> and <literal>dummy</literal>
+ <literal>gretap</literal>, <literal>sit</literal>,
+ <literal>vti</literal>, <literal>veth</literal>,
+ <literal>tun</literal>, <literal>tap</literal> and
+ <literal>dummy</literal>
are supported. This option is compulsory.</para>
</listitem>
</varlistentry>
@@ -329,8 +330,8 @@
<title>[Tunnel] Section Options</title>
<para>The <literal>[Tunnel]</literal> section only applies for netdevs of kind
- <literal>ipip</literal>, <literal>sit</literal>, <literal>gre</literal> and
- <literal>vti</literal> and accepts the following keys:</para>
+ <literal>ipip</literal>, <literal>sit</literal>, <literal>gre</literal>, <literal>gretap</literal>,
+ and <literal>vti</literal> and accepts the following keys:</para>
<variablelist class='network-directives'>
<varlistentry>
diff --git a/src/libsystemd/sd-rtnl/rtnl-types.c b/src/libsystemd/sd-rtnl/rtnl-types.c
index b0bd661b84..97b3ceec12 100644
--- a/src/libsystemd/sd-rtnl/rtnl-types.c
+++ b/src/libsystemd/sd-rtnl/rtnl-types.c
@@ -165,6 +165,7 @@ static const char* const nl_union_link_info_data_table[_NL_UNION_LINK_INFO_DATA_
[NL_UNION_LINK_INFO_DATA_VXLAN] = "vxlan",
[NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL] = "ipip",
[NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL] = "gre",
+ [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = "gretap",
[NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = "sit",
[NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = "vti",
};
@@ -190,6 +191,8 @@ 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_IPGRE_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
.types = rtnl_link_info_data_ipgre_types },
+ [NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipgre_types) - 1,
+ .types = rtnl_link_info_data_ipgre_types },
[NL_UNION_LINK_INFO_DATA_SIT_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_iptun_types) - 1,
.types = rtnl_link_info_data_iptun_types },
[NL_UNION_LINK_INFO_DATA_VTI_TUNNEL] = { .max = ELEMENTSOF(rtnl_link_info_data_ipvti_types) - 1,
diff --git a/src/libsystemd/sd-rtnl/rtnl-types.h b/src/libsystemd/sd-rtnl/rtnl-types.h
index 1bb17a4cda..aacea19986 100644
--- a/src/libsystemd/sd-rtnl/rtnl-types.h
+++ b/src/libsystemd/sd-rtnl/rtnl-types.h
@@ -75,6 +75,7 @@ typedef enum NLUnionLinkInfoData {
NL_UNION_LINK_INFO_DATA_VXLAN,
NL_UNION_LINK_INFO_DATA_IPIP_TUNNEL,
NL_UNION_LINK_INFO_DATA_IPGRE_TUNNEL,
+ NL_UNION_LINK_INFO_DATA_IPGRETAP_TUNNEL,
NL_UNION_LINK_INFO_DATA_SIT_TUNNEL,
NL_UNION_LINK_INFO_DATA_VTI_TUNNEL,
_NL_UNION_LINK_INFO_DATA_MAX,
diff --git a/src/network/networkd-netdev-tunnel.c b/src/network/networkd-netdev-tunnel.c
index 31d34644ed..fde08fb1e6 100644
--- a/src/network/networkd-netdev-tunnel.c
+++ b/src/network/networkd-netdev-tunnel.c
@@ -140,14 +140,20 @@ static int netdev_sit_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_me
}
static int netdev_gre_fill_message_create(NetDev *netdev, Link *link, sd_rtnl_message *m) {
- Tunnel *t = GRE(netdev);
+ Tunnel *t;
int r;
assert(netdev);
- assert(link);
- assert(m);
+
+ if (netdev->kind == NETDEV_KIND_GRE)
+ t = GRE(netdev);
+ else
+ t = GRETAP(netdev);
+
assert(t);
assert(t->family == AF_INET);
+ assert(link);
+ assert(m);
r = sd_rtnl_message_append_u32(m, IFLA_GRE_LINK, link->ifindex);
if (r < 0) {
@@ -253,6 +259,9 @@ static int netdev_tunnel_verify(NetDev *netdev, const char *filename) {
case NETDEV_KIND_GRE:
t = GRE(netdev);
break;
+ case NETDEV_KIND_GRETAP:
+ t = GRETAP(netdev);
+ break;
case NETDEV_KIND_VTI:
t = VTI(netdev);
break;
@@ -339,9 +348,15 @@ static void vti_init(NetDev *n) {
}
static void gre_init(NetDev *n) {
- Tunnel *t = GRE(n);
+ Tunnel *t;
assert(n);
+
+ if (n->kind == NETDEV_KIND_GRE)
+ t = GRE(n);
+ else
+ t = GRETAP(n);
+
assert(t);
t->pmtudisc = true;
@@ -382,3 +397,12 @@ const NetDevVTable gre_vtable = {
.create_type = NETDEV_CREATE_STACKED,
.config_verify = netdev_tunnel_verify,
};
+
+const NetDevVTable gretap_vtable = {
+ .object_size = sizeof(Tunnel),
+ .init = gre_init,
+ .sections = "Match\0NetDev\0Tunnel\0",
+ .fill_message_create = netdev_gre_fill_message_create,
+ .create_type = NETDEV_CREATE_STACKED,
+ .config_verify = netdev_tunnel_verify,
+};
diff --git a/src/network/networkd-netdev-tunnel.h b/src/network/networkd-netdev-tunnel.h
index 000a6460e7..b6f6c9df76 100644
--- a/src/network/networkd-netdev-tunnel.h
+++ b/src/network/networkd-netdev-tunnel.h
@@ -41,3 +41,4 @@ extern const NetDevVTable ipip_vtable;
extern const NetDevVTable sit_vtable;
extern const NetDevVTable vti_vtable;
extern const NetDevVTable gre_vtable;
+extern const NetDevVTable gretap_vtable;
diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index 89efc8814b..4e1fb43200 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -39,6 +39,7 @@ const NetDevVTable * const netdev_vtable[_NETDEV_KIND_MAX] = {
[NETDEV_KIND_VXLAN] = &vxlan_vtable,
[NETDEV_KIND_IPIP] = &ipip_vtable,
[NETDEV_KIND_GRE] = &gre_vtable,
+ [NETDEV_KIND_GRETAP] = &gretap_vtable,
[NETDEV_KIND_SIT] = &sit_vtable,
[NETDEV_KIND_VTI] = &vti_vtable,
[NETDEV_KIND_VETH] = &veth_vtable,
@@ -56,6 +57,7 @@ static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
[NETDEV_KIND_VXLAN] = "vxlan",
[NETDEV_KIND_IPIP] = "ipip",
[NETDEV_KIND_GRE] = "gre",
+ [NETDEV_KIND_GRETAP] = "gretap",
[NETDEV_KIND_SIT] = "sit",
[NETDEV_KIND_VETH] = "veth",
[NETDEV_KIND_VTI] = "vti",
diff --git a/src/network/networkd-netdev.h b/src/network/networkd-netdev.h
index 1b311c6785..3c447958a6 100644
--- a/src/network/networkd-netdev.h
+++ b/src/network/networkd-netdev.h
@@ -47,6 +47,7 @@ typedef enum NetDevKind {
NETDEV_KIND_VXLAN,
NETDEV_KIND_IPIP,
NETDEV_KIND_GRE,
+ NETDEV_KIND_GRETAP,
NETDEV_KIND_SIT,
NETDEV_KIND_VETH,
NETDEV_KIND_VTI,
@@ -163,6 +164,7 @@ DEFINE_CAST(IPVLAN, IPVlan);
DEFINE_CAST(VXLAN, VxLan);
DEFINE_CAST(IPIP, Tunnel);
DEFINE_CAST(GRE, Tunnel);
+DEFINE_CAST(GRETAP, Tunnel);
DEFINE_CAST(SIT, Tunnel);
DEFINE_CAST(VTI, Tunnel);
DEFINE_CAST(VETH, Veth);
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index b82452640a..2b555efd5c 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -452,6 +452,7 @@ int config_parse_tunnel(const char *unit,
if (netdev->kind != NETDEV_KIND_IPIP &&
netdev->kind != NETDEV_KIND_SIT &&
netdev->kind != NETDEV_KIND_GRE &&
+ netdev->kind != NETDEV_KIND_GRETAP &&
netdev->kind != NETDEV_KIND_VTI) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"NetDev is not a tunnel, ignoring assignment: %s", rvalue);