sd-network: remove redundant array size parameter from functions that return arrays

[elogind.git] / src / network / networkd-link.c

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 9e057ce0ff8bae0b7f6ea23c7e80dc0fd26af8c5..94683a54036b729eecfaca95986051a3a3e7aeb1 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -24,6 +24,7 @@
 #include <unistd.h>
 
 #include "networkd.h"
+#include "networkd-netdev.h"
 #include "libudev-private.h"
 #include "udev-util.h"
 #include "util.h"
@@ -400,20 +401,18 @@ static int route_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
 
 static int link_set_dhcp_routes(Link *link) {
         struct sd_dhcp_route *static_routes;
-        size_t static_routes_size;
-        int r;
-        unsigned i;
+        int r, n, i;
 
         assert(link);
 
-        r = sd_dhcp_lease_get_routes(link->dhcp_lease, &static_routes, &static_routes_size);
-        if (r < 0) {
-                if (r != -ENOENT)
-                        log_warning_link(link, "DHCP error: could not get routes: %s", strerror(-r));
-                return r;
+        n = sd_dhcp_lease_get_routes(link->dhcp_lease, &static_routes);
+        if (n < 0) {
+                if (n != -ENOENT)
+                        log_warning_link(link, "DHCP error: could not get routes: %s", strerror(-n));
+                return n;
         }
 
-        for (i = 0; i < static_routes_size; i++) {
+        for (i = 0; i < n; i++) {
                 _cleanup_route_free_ Route *route = NULL;
 
                 r = route_new_dynamic(&route);
@@ -954,7 +953,6 @@ static int dhcp_lease_lost(Link *link) {
         struct in_addr netmask;
         struct in_addr gateway;
         unsigned prefixlen;
-        unsigned i;
         int r;
 
         assert(link);
@@ -964,11 +962,11 @@ static int dhcp_lease_lost(Link *link) {
 
         if (link->network->dhcp_routes) {
                 struct sd_dhcp_route *routes;
-                size_t routes_size;
+                int n, i;
 
-                r = sd_dhcp_lease_get_routes(link->dhcp_lease, &routes, &routes_size);
-                if (r >= 0) {
-                        for (i = 0; i < routes_size; i++) {
+                n = sd_dhcp_lease_get_routes(link->dhcp_lease, &routes);
+                if (n >= 0) {
+                        for (i = 0; i < n; i++) {
                                 _cleanup_route_free_ Route *route = NULL;
 
                                 r = route_new_dynamic(&route);
@@ -1732,14 +1730,14 @@ static int link_up(Link *link) {
         return 0;
 }
 
-static int link_enslaved(Link *link) {
+static int link_joined(Link *link) {
         int r;
 
         assert(link);
         assert(link->state == LINK_STATE_ENSLAVING);
         assert(link->network);
 
-        log_debug_link(link, "enslaved");
+        log_debug_link(link, "joined netdev");
 
         if (!(link->flags & IFF_UP)) {
                 r = link_up(link);
@@ -1752,7 +1750,7 @@ static int link_enslaved(Link *link) {
         return link_enter_set_addresses(link);
 }
 
-static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+static int netdev_join_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
         _cleanup_link_unref_ Link *link = userdata;
         int r;
 
@@ -1769,7 +1767,7 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
         r = sd_rtnl_message_get_errno(m);
         if (r < 0 && r != -EEXIST) {
                 log_struct_link(LOG_ERR, link,
-                                "MESSAGE=%-*s: could not enslave: %s",
+                                "MESSAGE=%-*s: could not join netdev: %s",
                                 IFNAMSIZ,
                                 link->ifname, strerror(-r),
                                 "ERRNO=%d", -r,
@@ -1779,12 +1777,12 @@ static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
         }
 
         if (link->enslaving <= 0)
-                link_enslaved(link);
+                link_joined(link);
 
         return 1;
 }
 
-static int link_enter_enslave(Link *link) {
+static int link_enter_join_netdev(Link *link) {
         NetDev *vlan, *macvlan, *vxlan;
         Iterator i;
         int r;
@@ -1803,7 +1801,7 @@ static int link_enter_enslave(Link *link) {
             hashmap_isempty(link->network->vlans) &&
             hashmap_isempty(link->network->macvlans) &&
             hashmap_isempty(link->network->vxlans))
-                return link_enslaved(link);
+                return link_joined(link);
 
         if (link->network->bond) {
                 log_struct_link(LOG_DEBUG, link,
@@ -1813,10 +1811,10 @@ static int link_enter_enslave(Link *link) {
                                 NETDEV(link->network->bond),
                                 NULL);
 
-                r = netdev_enslave(link->network->bond, link, &enslave_handler);
+                r = netdev_join(link->network->bond, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not enslave by '%s': %s",
+                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
                                         link->ifname, link->network->bond->ifname, strerror(-r),
                                         NETDEV(link->network->bond),
@@ -1836,10 +1834,10 @@ static int link_enter_enslave(Link *link) {
                                 NETDEV(link->network->bridge),
                                 NULL);
 
-                r = netdev_enslave(link->network->bridge, link, &enslave_handler);
+                r = netdev_join(link->network->bridge, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not enslave by '%s': %s",
+                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
                                         link->ifname, link->network->bridge->ifname, strerror(-r),
                                         NETDEV(link->network->bridge),
@@ -1859,10 +1857,10 @@ static int link_enter_enslave(Link *link) {
                                 NETDEV(link->network->tunnel),
                                 NULL);
 
-                r = netdev_enslave(link->network->tunnel, link, &enslave_handler);
+                r = netdev_join(link->network->tunnel, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not enslave by '%s': %s",
+                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
                                         link->ifname, link->network->tunnel->ifname, strerror(-r),
                                         NETDEV(link->network->tunnel),
@@ -1880,10 +1878,10 @@ static int link_enter_enslave(Link *link) {
                                 IFNAMSIZ,
                                 link->ifname, vlan->ifname, NETDEV(vlan), NULL);
 
-                r = netdev_enslave(vlan, link, &enslave_handler);
+                r = netdev_join(vlan, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not enslave by '%s': %s",
+                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
                                         link->ifname, vlan->ifname, strerror(-r),
                                         NETDEV(vlan), NULL);
@@ -1900,10 +1898,10 @@ static int link_enter_enslave(Link *link) {
                                 IFNAMSIZ,
                                 link->ifname, macvlan->ifname, NETDEV(macvlan), NULL);
 
-                r = netdev_enslave(macvlan, link, &enslave_handler);
+                r = netdev_join(macvlan, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%-*s: could not enslave by '%s': %s",
+                                        "MESSAGE=%-*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
                                         link->ifname, macvlan->ifname, strerror(-r),
                                         NETDEV(macvlan), NULL);
@@ -1920,10 +1918,10 @@ static int link_enter_enslave(Link *link) {
                                 IFNAMSIZ,
                                 link->ifname, vxlan->ifname, NETDEV(vxlan), NULL);
 
-                r = netdev_enslave(vxlan, link, &enslave_handler);
+                r = netdev_join(vxlan, link, &netdev_join_handler);
                 if (r < 0) {
                         log_struct_link(LOG_WARNING, link,
-                                        "MESSAGE=%*s: could not enslave by '%s': %s",
+                                        "MESSAGE=%*s: could not join netdev '%s': %s",
                                         IFNAMSIZ,
                                         link->ifname, vxlan->ifname, strerror(-r),
                                         NETDEV(vxlan), NULL);
@@ -1997,6 +1995,10 @@ static int link_configure(Link *link) {
                 if (r < 0)
                         return r;
 
+                r = sd_dhcp_client_set_request_broadcast(link->dhcp_client, link->network->dhcp_broadcast);
+                if (r < 0)
+                        return r;
+
                 if (link->network->dhcp_mtu) {
                         r = sd_dhcp_client_set_request_option(link->dhcp_client, 26);
                         if (r < 0)
@@ -2074,7 +2076,7 @@ static int link_configure(Link *link) {
                         return r;
         }
 
-        return link_enter_enslave(link);
+        return link_enter_join_netdev(link);
 }
 
 static int link_initialized_and_synced(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
@@ -2121,6 +2123,9 @@ int link_initialized(Link *link, struct udev_device *device) {
         if (link->state != LINK_STATE_INITIALIZING)
                 return 0;
 
+        if (link->udev_device)
+                return 0;
+
         log_debug_link(link, "udev initialized link");
 
         link->udev_device = udev_device_ref(device);