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platform: implement link_sit_add via nm_platform_link_add()

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This commit is contained in:
Thomas Haller
2019-12-31 11:21:00 +01:00
parent 385764398e
commit 4029f9cd2e
3 changed files with 31 additions and 79 deletions
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59
src/platform/nm-linux-platform.c
View File

@@ -3747,6 +3747,23 @@ _nl_msg_new_link_set_linkinfo (struct nl_msg *msg,
NLA_PUT_U16 (msg, IFLA_GRE_OFLAGS, htons (props->output_flags));
break;
}
case NM_LINK_TYPE_SIT: {
const NMPlatformLnkSit *props = extra_data;
nm_assert (props);
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);
NLA_PUT_U32 (msg, IFLA_IPTUN_LOCAL, props->local);
NLA_PUT_U32 (msg, IFLA_IPTUN_REMOTE, props->remote);
NLA_PUT_U8 (msg, IFLA_IPTUN_TTL, props->ttl);
NLA_PUT_U8 (msg, IFLA_IPTUN_TOS, props->tos);
NLA_PUT_U8 (msg, IFLA_IPTUN_PMTUDISC, !!props->path_mtu_discovery);
break;
}
default:
nm_assert (!extra_data);
break;
@@ -7486,47 +7503,6 @@ nla_put_failure:
g_return_val_if_reached (FALSE);
}
static gboolean
link_sit_add (NMPlatform *platform,
const char *name,
const NMPlatformLnkSit *props,
const NMPlatformLink **out_link)
{
nm_auto_nlmsg struct nl_msg *nlmsg = NULL;
struct nlattr *info;
struct nlattr *data;
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, "sit");
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);
NLA_PUT_U32 (nlmsg, IFLA_IPTUN_LOCAL, props->local);
NLA_PUT_U32 (nlmsg, IFLA_IPTUN_REMOTE, props->remote);
NLA_PUT_U8 (nlmsg, IFLA_IPTUN_TTL, props->ttl);
NLA_PUT_U8 (nlmsg, IFLA_IPTUN_TOS, props->tos);
NLA_PUT_U8 (nlmsg, IFLA_IPTUN_PMTUDISC, !!props->path_mtu_discovery);
nla_nest_end (nlmsg, data);
nla_nest_end (nlmsg, info);
return (do_add_link_with_lookup (platform, NM_LINK_TYPE_SIT, name, nlmsg, out_link) >= 0);
nla_put_failure:
g_return_val_if_reached (FALSE);
}
static gboolean
link_tun_add (NMPlatform *platform,
const char *name,
@@ -9321,7 +9297,6 @@ nm_linux_platform_class_init (NMLinuxPlatformClass *klass)
platform_class->link_macsec_add = link_macsec_add;
platform_class->link_macvlan_add = link_macvlan_add;
platform_class->link_ipip_add = link_ipip_add;
platform_class->link_sit_add = link_sit_add;
platform_class->link_tun_add = link_tun_add;
platform_class->link_6lowpan_add = link_6lowpan_add;

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

@@ -1221,6 +1221,11 @@ nm_platform_link_add (NMPlatform *self,
case NM_LINK_TYPE_GRETAP:
nm_utils_strbuf_append_str (&buf_p, &buf_len, ", ");
nm_platform_lnk_gre_to_string ((const NMPlatformLnkGre *) extra_data, buf_p, buf_len);
break;
case NM_LINK_TYPE_SIT:
nm_utils_strbuf_append_str (&buf_p, &buf_len, ", ");
nm_platform_lnk_sit_to_string ((const NMPlatformLnkSit *) extra_data, buf_p, buf_len);
break;
default:
nm_assert (!extra_data);
break;
@@ -3006,39 +3011,6 @@ nm_platform_link_macvlan_add (NMPlatform *self,
return 0;
}
/**
* nm_platform_sit_add:
* @self: platform instance
* @name: name of the new interface
* @props: interface properties
* @out_link: on success, the link object
*
* Create a software SIT device.
*/
int
nm_platform_link_sit_add (NMPlatform *self,
const char *name,
const NMPlatformLnkSit *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);
r = _link_add_check_existing (self, name, NM_LINK_TYPE_SIT, out_link);
if (r < 0)
return r;
_LOG2D ("adding link %s", nm_platform_lnk_sit_to_string (props, NULL, 0));
if (!klass->link_sit_add (self, name, props, out_link))
return -NME_UNSPEC;
return 0;
}
gboolean
nm_platform_link_veth_get_properties (NMPlatform *self, int ifindex, int *out_peer_ifindex)
{

13
src/platform/nm-platform.h
View File

@@ -1066,10 +1066,6 @@ typedef struct {
int parent,
const NMPlatformLnkMacvlan *props,
const NMPlatformLink **out_link);
gboolean (*link_sit_add) (NMPlatform *self,
const char *name,
const NMPlatformLnkSit *props,
const NMPlatformLink **out_link);
gboolean (*link_tun_add) (NMPlatform *self,
const char *name,
const NMPlatformLnkTun *props,
@@ -1432,6 +1428,15 @@ nm_platform_link_gre_add (NMPlatform *self,
return nm_platform_link_add (self, props->is_tap ? NM_LINK_TYPE_GRETAP : NM_LINK_TYPE_GRE, name, 0, NULL, 0, props, out_link);
}
static inline int
nm_platform_link_sit_add (NMPlatform *self,
const char *name,
const NMPlatformLnkSit *props,
const NMPlatformLink **out_link)
{
return nm_platform_link_add (self, NM_LINK_TYPE_SIT, name, 0, NULL, 0, props, out_link);
}
gboolean nm_platform_link_delete (NMPlatform *self, int ifindex);
gboolean nm_platform_link_set_netns (NMPlatform *self, int ifindex, int netns_fd);