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networkd: Introduce l2tp tunnel

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This works allows networkd to configure l2tp tunnel.
See http://man7.org/linux/man-pages/man8/ip-l2tp.8.html
This commit is contained in:
Susant Sahani
2019-03-14 10:57:41 +09:00
committed by Yu Watanabe
parent 7033af49df
commit 3a56e697c8
14 changed files with 886 additions and 23 deletions
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src/libsystemd/sd-netlink/generic-netlink.c
+2 -1
View File
@@ -10,9 +10,10 @@ typedef struct {
} genl_family;
static const genl_family genl_families[] = {
[SD_GENL_ID_CTRL] = { .name = "", .version = 1 },
[SD_GENL_ID_CTRL] = { .name = "", .version = 1 },
[SD_GENL_WIREGUARD] = { .name = "wireguard", .version = 1 },
[SD_GENL_FOU] = { .name = "fou", .version = 1 },
[SD_GENL_L2TP] = { .name = "l2tp", .version = 1},
};
int sd_genl_socket_open(sd_netlink **ret) {
src/libsystemd/sd-netlink/netlink-types.c
+53
View File
@@ -15,6 +15,7 @@
#include <linux/if_bridge.h>
#include <linux/if_link.h>
#include <linux/if_tunnel.h>
#include <linux/l2tp.h>
#include <linux/veth.h>
#if HAVE_LINUX_FOU_H
@@ -797,10 +798,62 @@ static const NLTypeSystem genl_fou_cmds_type_system = {
.types = genl_fou_cmds,
};
static const NLType genl_l2tp_types[] = {
[L2TP_ATTR_PW_TYPE] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_ENCAP_TYPE] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_OFFSET] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_DATA_SEQ] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_L2SPEC_TYPE] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_L2SPEC_LEN] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_PROTO_VERSION] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_IFNAME] = { .type = NETLINK_TYPE_STRING },
[L2TP_ATTR_CONN_ID] = { .type = NETLINK_TYPE_U32 },
[L2TP_ATTR_PEER_CONN_ID] = { .type = NETLINK_TYPE_U32 },
[L2TP_ATTR_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
[L2TP_ATTR_PEER_SESSION_ID] = { .type = NETLINK_TYPE_U32 },
[L2TP_ATTR_UDP_CSUM] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_VLAN_ID] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_RECV_SEQ] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_SEND_SEQ] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_LNS_MODE] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_USING_IPSEC] = { .type = NETLINK_TYPE_U8 },
[L2TP_ATTR_FD] = { .type = NETLINK_TYPE_U32 },
[L2TP_ATTR_IP_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
[L2TP_ATTR_IP_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
[L2TP_ATTR_UDP_SPORT] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_UDP_DPORT] = { .type = NETLINK_TYPE_U16 },
[L2TP_ATTR_IP6_SADDR] = { .type = NETLINK_TYPE_IN_ADDR },
[L2TP_ATTR_IP6_DADDR] = { .type = NETLINK_TYPE_IN_ADDR },
[L2TP_ATTR_UDP_ZERO_CSUM6_TX] = { .type = NETLINK_TYPE_FLAG },
[L2TP_ATTR_UDP_ZERO_CSUM6_RX] = { .type = NETLINK_TYPE_FLAG },
};
static const NLTypeSystem genl_l2tp_type_system = {
.count = ELEMENTSOF(genl_l2tp_types),
.types = genl_l2tp_types,
};
static const NLType genl_l2tp[] = {
[L2TP_CMD_TUNNEL_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_TUNNEL_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_TUNNEL_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_TUNNEL_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_SESSION_CREATE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_SESSION_DELETE] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_SESSION_MODIFY] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
[L2TP_CMD_SESSION_GET] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_type_system },
};
static const NLTypeSystem genl_l2tp_tunnel_session_type_system = {
.count = ELEMENTSOF(genl_l2tp),
.types = genl_l2tp,
};
static const NLType genl_families[] = {
[SD_GENL_ID_CTRL] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_ctrl_id_ctrl_type_system },
[SD_GENL_WIREGUARD] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_wireguard_type_system },
[SD_GENL_FOU] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_fou_cmds_type_system},
[SD_GENL_L2TP] = { .type = NETLINK_TYPE_NESTED, .type_system = &genl_l2tp_tunnel_session_type_system },
};
const NLTypeSystem genl_family_type_system_root = {