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-rw-r--r--src/network/networkd-address.c20
-rw-r--r--src/network/networkd-dhcp6.c4
-rw-r--r--src/network/networkd-link.c4
-rw-r--r--src/network/networkd.h2
4 files changed, 25 insertions, 5 deletions
diff --git a/src/network/networkd-address.c b/src/network/networkd-address.c
index 255ff77022..85acc49945 100644
--- a/src/network/networkd-address.c
+++ b/src/network/networkd-address.c
@@ -209,10 +209,18 @@ int address_update(Address *address, Link *link,
if (r < 0)
return log_error_errno(r, "Could not set prefixlen: %m");
- r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
+ address->flags |= IFA_F_PERMANENT;
+
+ r = sd_rtnl_message_addr_set_flags(req, address->flags & 0xff);
if (r < 0)
return log_error_errno(r, "Could not set flags: %m");
+ if (address->flags & ~0xff) {
+ r = sd_rtnl_message_append_u32(req, IFA_FLAGS, address->flags);
+ if (r < 0)
+ return log_error_errno(r, "Could not set extended flags: %m");
+ }
+
r = sd_rtnl_message_addr_set_scope(req, address->scope);
if (r < 0)
return log_error_errno(r, "Could not set scope: %m");
@@ -335,10 +343,18 @@ int address_configure(Address *address, Link *link,
if (r < 0)
return log_error_errno(r, "Could not set prefixlen: %m");
- r = sd_rtnl_message_addr_set_flags(req, IFA_F_PERMANENT);
+ address->flags |= IFA_F_PERMANENT;
+
+ r = sd_rtnl_message_addr_set_flags(req, (address->flags & 0xff));
if (r < 0)
return log_error_errno(r, "Could not set flags: %m");
+ if (address->flags & ~0xff) {
+ r = sd_rtnl_message_append_u32(req, IFA_FLAGS, address->flags);
+ if (r < 0)
+ return log_error_errno(r, "Could not set extended flags: %m");
+ }
+
r = sd_rtnl_message_addr_set_scope(req, address->scope);
if (r < 0)
return log_error_errno(r, "Could not set scope: %m");
diff --git a/src/network/networkd-dhcp6.c b/src/network/networkd-dhcp6.c
index bcfad4c03f..283a7d6992 100644
--- a/src/network/networkd-dhcp6.c
+++ b/src/network/networkd-dhcp6.c
@@ -65,7 +65,9 @@ static int dhcp6_address_update(Link *link, struct in6_addr *ip6_addr,
addr->family = AF_INET6;
memcpy(&addr->in_addr.in6, ip6_addr, sizeof(*ip6_addr));
- addr->prefixlen = prefixlen;
+
+ addr->flags = IFA_F_NOPREFIXROUTE;
+ addr->prefixlen = 64;
addr->cinfo.ifa_prefered = lifetime_preferred;
addr->cinfo.ifa_valid = lifetime_valid;
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 842ca1ce6e..437c59843e 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -1831,6 +1831,7 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use
Link *link = NULL;
uint16_t type;
_cleanup_address_free_ Address *address = NULL;
+ unsigned char flags;
Address *existing;
char buf[INET6_ADDRSTRLEN], valid_buf[FORMAT_TIMESPAN_MAX];
const char *valid_str = NULL;
@@ -1894,11 +1895,12 @@ int link_rtnl_process_address(sd_rtnl *rtnl, sd_rtnl_message *message, void *use
return 0;
}
- r = sd_rtnl_message_addr_get_flags(message, &address->flags);
+ r = sd_rtnl_message_addr_get_flags(message, &flags);
if (r < 0) {
log_link_warning(link, "rtnl: received address with invalid flags, ignoring");
return 0;
}
+ address->flags = flags;
switch (address->family) {
case AF_INET:
diff --git a/src/network/networkd.h b/src/network/networkd.h
index 8bdc2bed82..c26d64e383 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -173,7 +173,7 @@ struct Address {
int family;
unsigned char prefixlen;
unsigned char scope;
- unsigned char flags;
+ uint32_t flags;
char *label;
struct in_addr broadcast;