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platform: implement link_ip6tnl_add via nm_platform_link_add()

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This commit is contained in:
Thomas Haller
2019-12-31 13:27:02 +01:00
parent 8b417300ca
commit bfd74974dc
3 changed files with 45 additions and 97 deletions
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84
src/platform/nm-linux-platform.c
View File

@@ -3829,6 +3829,35 @@ _nl_msg_new_link_set_linkinfo (struct nl_msg *msg,
NLA_PUT_U8 (msg, IFLA_IPTUN_PMTUDISC, !!props->path_mtu_discovery); NLA_PUT_U8 (msg, IFLA_IPTUN_PMTUDISC, !!props->path_mtu_discovery);
break; break;
} }
case NM_LINK_TYPE_IP6TNL: {
const NMPlatformLnkIp6Tnl *props = extra_data;
guint32 flowinfo;
nm_assert (props);
nm_assert (!props->is_gre);
if (!(data = nla_nest_start (msg, IFLA_INFO_DATA)))
goto nla_put_failure;
if (props->parent_ifindex)
NLA_PUT_U32 (msg, IFLA_IPTUN_LINK, props->parent_ifindex);
if (memcmp (&props->local, &in6addr_any, sizeof (in6addr_any)))
NLA_PUT (msg, IFLA_IPTUN_LOCAL, sizeof (props->local), &props->local);
if (memcmp (&props->remote, &in6addr_any, sizeof (in6addr_any)))
NLA_PUT (msg, IFLA_IPTUN_REMOTE, sizeof (props->remote), &props->remote);
NLA_PUT_U8 (msg, IFLA_IPTUN_TTL, props->ttl);
NLA_PUT_U8 (msg, IFLA_IPTUN_ENCAP_LIMIT, props->encap_limit);
flowinfo = props->flow_label & IP6_FLOWINFO_FLOWLABEL_MASK;
flowinfo |= (props->tclass << IP6_FLOWINFO_TCLASS_SHIFT)
& IP6_FLOWINFO_TCLASS_MASK;
NLA_PUT_U32 (msg, IFLA_IPTUN_FLOWINFO, htonl (flowinfo));
NLA_PUT_U8 (msg, IFLA_IPTUN_PROTO, props->proto);
NLA_PUT_U32 (msg, IFLA_IPTUN_FLAGS, props->flags);
break;
}
default: default:
nm_assert (!extra_data); nm_assert (!extra_data);
break; break;
@@ -7282,60 +7311,6 @@ link_get_dev_id (NMPlatform *platform, int ifindex)
16, 0, G_MAXUINT16, 0); 16, 0, G_MAXUINT16, 0);
} }
static gboolean
link_ip6tnl_add (NMPlatform *platform,
const char *name,
const NMPlatformLnkIp6Tnl *props,
const NMPlatformLink **out_link)
{
nm_auto_nlmsg struct nl_msg *nlmsg = NULL;
struct nlattr *info;
struct nlattr *data;
guint32 flowinfo;
g_return_val_if_fail (!props->is_gre, FALSE);
nlmsg = _nl_msg_new_link (RTM_NEWLINK,
NLM_F_CREATE | NLM_F_EXCL,
0,
name);
if (!nlmsg)
return FALSE;
if (!(info = nla_nest_start (nlmsg, IFLA_LINKINFO)))
goto nla_put_failure;
NLA_PUT_STRING (nlmsg, IFLA_INFO_KIND, "ip6tnl");
if (!(data = nla_nest_start (nlmsg, IFLA_INFO_DATA)))
goto nla_put_failure;
if (props->parent_ifindex)
NLA_PUT_U32 (nlmsg, IFLA_IPTUN_LINK, props->parent_ifindex);
if (memcmp (&props->local, &in6addr_any, sizeof (in6addr_any)))
NLA_PUT (nlmsg, IFLA_IPTUN_LOCAL, sizeof (props->local), &props->local);
if (memcmp (&props->remote, &in6addr_any, sizeof (in6addr_any)))
NLA_PUT (nlmsg, IFLA_IPTUN_REMOTE, sizeof (props->remote), &props->remote);
NLA_PUT_U8 (nlmsg, IFLA_IPTUN_TTL, props->ttl);
NLA_PUT_U8 (nlmsg, IFLA_IPTUN_ENCAP_LIMIT, props->encap_limit);
flowinfo = props->flow_label & IP6_FLOWINFO_FLOWLABEL_MASK;
flowinfo |= (props->tclass << IP6_FLOWINFO_TCLASS_SHIFT)
& IP6_FLOWINFO_TCLASS_MASK;
NLA_PUT_U32 (nlmsg, IFLA_IPTUN_FLOWINFO, htonl (flowinfo));
NLA_PUT_U8 (nlmsg, IFLA_IPTUN_PROTO, props->proto);
NLA_PUT_U32 (nlmsg, IFLA_IPTUN_FLAGS, props->flags);
nla_nest_end (nlmsg, data);
nla_nest_end (nlmsg, info);
return (do_add_link_with_lookup (platform, NM_LINK_TYPE_IP6TNL, name, nlmsg, out_link) >= 0);
nla_put_failure:
g_return_val_if_reached (FALSE);
}
static gboolean static gboolean
link_ip6gre_add (NMPlatform *platform, link_ip6gre_add (NMPlatform *platform,
const char *name, const char *name,
@@ -9219,7 +9194,6 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
platform_class->wpan_set_short_addr = wpan_set_short_addr; platform_class->wpan_set_short_addr = wpan_set_short_addr;
platform_class->wpan_set_channel = wpan_set_channel; platform_class->wpan_set_channel = wpan_set_channel;
platform_class->link_ip6tnl_add = link_ip6tnl_add;
platform_class->link_ip6gre_add = link_ip6gre_add; platform_class->link_ip6gre_add = link_ip6gre_add;
platform_class->link_macsec_add = link_macsec_add; platform_class->link_macsec_add = link_macsec_add;
platform_class->link_macvlan_add = link_macvlan_add; platform_class->link_macvlan_add = link_macvlan_add;

38
src/platform/nm-platform.c
View File

@@ -1234,6 +1234,10 @@ nm_platform_link_add (NMPlatform *self,
nm_utils_strbuf_append_str (&buf_p, &buf_len, ", "); nm_utils_strbuf_append_str (&buf_p, &buf_len, ", ");
nm_platform_lnk_sit_to_string ((const NMPlatformLnkSit *) extra_data, buf_p, buf_len); nm_platform_lnk_sit_to_string ((const NMPlatformLnkSit *) extra_data, buf_p, buf_len);
break; break;
case NM_LINK_TYPE_IP6TNL:
nm_utils_strbuf_append_str (&buf_p, &buf_len, ", ");
nm_platform_lnk_ip6tnl_to_string ((const NMPlatformLnkIp6Tnl *) extra_data, buf_p, buf_len);
break;
default: default:
nm_assert (!extra_data); nm_assert (!extra_data);
break; break;
@@ -2739,40 +2743,6 @@ nm_platform_link_infiniband_get_properties (NMPlatform *self,
return TRUE; return TRUE;
} }
/**
* nm_platform_ip6tnl_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create an IPv6 tunnel.
*/
int
nm_platform_link_ip6tnl_add (NMPlatform *self,
const char *name,
const NMPlatformLnkIp6Tnl *props,
const NMPlatformLink **out_link)
{
int r;
_CHECK_SELF (self, klass, -NME_BUG);
g_return_val_if_fail (props, -NME_BUG);
g_return_val_if_fail (name, -NME_BUG);
g_return_val_if_fail (!props->is_gre, -NME_BUG);
r = _link_add_check_existing (self, name, NM_LINK_TYPE_IP6TNL, out_link);
if (r < 0)
return r;
_LOG2D ("adding link %s", nm_platform_lnk_ip6tnl_to_string (props, NULL, 0));
if (!klass->link_ip6tnl_add (self, name, props, out_link))
return -NME_UNSPEC;
return 0;
}
/** /**
* nm_platform_ip6gre_add: * nm_platform_ip6gre_add:
* @self: platform instance * @self: platform instance

20
src/platform/nm-platform.h
View File

@@ -1039,10 +1039,6 @@ typedef struct {
gboolean egress_reset_all, gboolean egress_reset_all,
const NMVlanQosMapping *egress_map, const NMVlanQosMapping *egress_map,
gsize n_egress_map); gsize n_egress_map);
gboolean (*link_ip6tnl_add) (NMPlatform *self,
const char *name,
const NMPlatformLnkIp6Tnl *props,
const NMPlatformLink **out_link);
gboolean (*link_ip6gre_add) (NMPlatform *self, gboolean (*link_ip6gre_add) (NMPlatform *self,
const char *name, const char *name,
const NMPlatformLnkIp6Tnl *props, const NMPlatformLnkIp6Tnl *props,
@@ -1470,6 +1466,18 @@ nm_platform_link_6lowpan_add (NMPlatform *self,
return nm_platform_link_add (self, NM_LINK_TYPE_6LOWPAN, name, parent, NULL, 0, NULL, out_link); return nm_platform_link_add (self, NM_LINK_TYPE_6LOWPAN, name, parent, NULL, 0, NULL, out_link);
} }
static inline int
nm_platform_link_ip6tnl_add (NMPlatform *self,
const char *name,
const NMPlatformLnkIp6Tnl *props,
const NMPlatformLink **out_link)
{
g_return_val_if_fail (props, -NME_BUG);
g_return_val_if_fail (!props->is_gre, -NME_BUG);
return nm_platform_link_add (self, NM_LINK_TYPE_IP6TNL, name, 0, NULL, 0, props, out_link);
}
gboolean nm_platform_link_delete (NMPlatform *self, int ifindex); gboolean nm_platform_link_delete (NMPlatform *self, int ifindex);
gboolean nm_platform_link_set_netns (NMPlatform *self, int ifindex, int netns_fd); gboolean nm_platform_link_set_netns (NMPlatform *self, int ifindex, int netns_fd);
@@ -1640,10 +1648,6 @@ const struct in6_addr *nm_platform_ip6_address_get_peer (const NMPlatformIP6Addr
const NMPlatformIP4Address *nm_platform_ip4_address_get (NMPlatform *self, int ifindex, in_addr_t address, guint8 plen, in_addr_t peer_address); const NMPlatformIP4Address *nm_platform_ip4_address_get (NMPlatform *self, int ifindex, in_addr_t address, guint8 plen, in_addr_t peer_address);
int nm_platform_link_ip6tnl_add (NMPlatform *self,
const char *name,
const NMPlatformLnkIp6Tnl *props,
const NMPlatformLink **out_link);
int nm_platform_link_ip6gre_add (NMPlatform *self, int nm_platform_link_ip6gre_add (NMPlatform *self,
const char *name, const char *name,
const NMPlatformLnkIp6Tnl *props, const NMPlatformLnkIp6Tnl *props,