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authorSusant Sahani <susant@redhat.com>2014-11-15 08:47:16 +0530
committerTom Gundersen <teg@jklm.no>2014-12-04 11:13:32 +0100
commite1853b00ef7cb56cafd908327dd44b3ab48b402c (patch)
tree87b635162a3b23b09439f2d02ece5b8db3fc9ae9 /src/network/networkd-link.c
parent85a8eeee36b57c1ab382b0225fa9a87525bbeee9 (diff)
networkd: Add bridge port path cost
This patch add support to specify path cost of the bridge port to be configured via conf file. Exampe: conf file: br.netdev [NetDev] Name=br-test Kind=bridge file: br.network [Match] Name=em1 [Network] Bridge=br-test [BridgePort] Cost=332 bridge link 2: em1 state UP : <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 master br-test state disabled priority 32 cost 332
Diffstat (limited to 'src/network/networkd-link.c')
-rw-r--r--src/network/networkd-link.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 2eb0925d73..a4f8c59e09 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -685,6 +685,27 @@ int link_address_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata)
return 1;
}
+static int link_set_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
+ _cleanup_link_unref_ Link *link = userdata;
+ int r;
+
+ log_debug_link(link, "set link");
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0 && r != -EEXIST) {
+ log_struct_link(LOG_ERR, link,
+ "MESSAGE=%-*s: could not join netdev: %s",
+ IFNAMSIZ,
+ link->ifname, strerror(-r),
+ "ERRNO=%d", -r,
+ NULL);
+ link_enter_failed(link);
+ return 1;
+ }
+
+ return 0;
+}
+
static int set_hostname_handler(sd_bus *bus, sd_bus_message *m, void *userdata,
sd_bus_error *ret_error) {
_cleanup_link_unref_ Link *link = userdata;
@@ -802,6 +823,69 @@ int link_set_mtu(Link *link, uint32_t mtu) {
return 0;
}
+static int link_set_bridge(Link *link) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(link);
+ assert(link->network);
+
+ if(link->network->cost == 0)
+ return 0;
+
+ r = sd_rtnl_message_new_link(link->manager->rtnl, &req,
+ RTM_SETLINK, link->ifindex);
+ if (r < 0) {
+ log_error_link(link, "Could not allocate RTM_SETLINK message");
+ return r;
+ }
+
+ r = sd_rtnl_message_link_set_family(req, PF_BRIDGE);
+ if (r < 0) {
+ log_error_link(link,
+ "Could not set message family %s", strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_open_container(req, IFLA_PROTINFO);
+ if (r < 0) {
+ log_error_link(link,
+ "Could not append IFLA_PROTINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ if(link->network->cost != 0) {
+ r = sd_rtnl_message_append_u32(req, IFLA_BRPORT_COST, link->network->cost);
+ if (r < 0) {
+ log_error_link(link,
+ "Could not append IFLA_BRPORT_COST attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
+ r = sd_rtnl_message_close_container(req);
+ if (r < 0) {
+ log_error_link(link,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_call_async(link->manager->rtnl, req, link_set_handler, link, 0, NULL);
+ if (r < 0) {
+ log_error_link(link,
+ "Could not send rtnetlink message: %s",
+ strerror(-r));
+ return r;
+ }
+
+ link_ref(link);
+
+ return r;
+}
+
static void dhcp6_handler(sd_dhcp6_client *client, int event, void *userdata) {
Link *link = userdata;
@@ -1037,6 +1121,15 @@ static int link_joined(Link *link) {
}
}
+ if(link->network->bridge) {
+ r = link_set_bridge(link);
+ if (r < 0) {
+ log_error_link(link,
+ "Could not set bridge message: %s",
+ strerror(-r));
+ }
+ }
+
return link_enter_set_addresses(link);
}