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libnm,core: enable "onlink" flags also for IPv6 routes

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Previously, onlink (RTNH_F_ONLINK) did not work for IPv6.
In the meantime, this works in kernel ([1], [2]). Enable it also
in NetworkManager.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc1e64e1092f62290d59151d16f9de0210e303c8
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=68e2ffdeb5dbf54bc3a0684aa4e73c6db8675eed

https://github.com/NetworkManager/NetworkManager/pull/337
This commit is contained in:
Thomas Haller
2019-04-09 12:55:32 +02:00
parent c48698d747
commit f5e8bbc8e0
4 changed files with 7 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
libnm-core/nm-setting-ip-config.c
View File

@@ -1218,7 +1218,7 @@ static const NMVariantAttributeSpec * const ip_route_attribute_spec[] = {
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_SRC, G_VARIANT_TYPE_STRING, TRUE, TRUE, 'a'),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_FROM, G_VARIANT_TYPE_STRING, FALSE, TRUE, 'p'),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_TOS, G_VARIANT_TYPE_BYTE, TRUE, FALSE, 0 ),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_ONLINK, G_VARIANT_TYPE_BOOLEAN, TRUE, FALSE, 0 ),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_ONLINK, G_VARIANT_TYPE_BOOLEAN, TRUE, TRUE, 0 ),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_WINDOW, G_VARIANT_TYPE_UINT32, TRUE, TRUE, 0 ),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_CWND, G_VARIANT_TYPE_UINT32, TRUE, TRUE, 0 ),
ATTR_SPEC_PTR (NM_IP_ROUTE_ATTRIBUTE_INITCWND, G_VARIANT_TYPE_UINT32, TRUE, TRUE, 0 ),

11
src/nm-ip4-config.c
View File

@@ -859,15 +859,12 @@ _nm_ip_config_merge_route_attributes (int addr_family,
GET_ATTR (NM_IP_ROUTE_ATTRIBUTE_TABLE, table, UINT32, uint32, 0);
r->table_coerced = nm_platform_route_table_coerce (table ?: (route_table ?: RT_TABLE_MAIN));
if (addr_family == AF_INET) {
if (addr_family == AF_INET)
GET_ATTR (NM_IP_ROUTE_ATTRIBUTE_TOS, r4->tos, BYTE, byte, 0);
GET_ATTR (NM_IP_ROUTE_ATTRIBUTE_ONLINK, onlink, BOOLEAN, boolean, FALSE);
} else
onlink = FALSE;
r->r_rtm_flags = 0;
if (onlink)
r->r_rtm_flags = RTNH_F_ONLINK;
GET_ATTR (NM_IP_ROUTE_ATTRIBUTE_ONLINK, onlink, BOOLEAN, boolean, FALSE);
r->r_rtm_flags = ((onlink) ? (unsigned) RTNH_F_ONLINK : 0u);
GET_ATTR (NM_IP_ROUTE_ATTRIBUTE_WINDOW, r->window, UINT32, uint32, 0);
GET_ATTR (NM_IP_ROUTE_ATTRIBUTE_CWND, r->cwnd, UINT32, uint32, 0);

4
src/platform/nm-linux-platform.c
View File

@@ -4016,9 +4016,7 @@ _nl_msg_new_route (int nlmsg_type,
? nm_platform_route_scope_inv (obj->ip4_route.scope_inv)
: RT_SCOPE_NOWHERE,
.rtm_type = RTN_UNICAST,
.rtm_flags = obj->ip_route.r_rtm_flags & (is_v4
? (unsigned) (RTNH_F_ONLINK)
: (unsigned) 0),
.rtm_flags = obj->ip_route.r_rtm_flags & ((unsigned) (RTNH_F_ONLINK)),
.rtm_dst_len = obj->ip_route.plen,
.rtm_src_len = is_v4
? 0

2
src/platform/nm-platform.h
View File

@@ -429,7 +429,7 @@ typedef union {
* Such a route is not alive, according to nmp_object_is_alive().
*
* NOTE: currently we ignore all flags except RTM_F_CLONED
* and RTNH_F_ONLINK for IPv4.
* and RTNH_F_ONLINK.
* We also may not properly consider the flags as part of the ID
* in route-cmp. */ \
unsigned r_rtm_flags; \