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authorSusant Sahani <ssahani@gmail.com>2015-10-05 09:38:00 +0530
committerSusant Sahani <ssahani@gmail.com>2015-10-05 09:43:29 +0530
commit540eb5f03780b7df6bb013622fb112468f94951c (patch)
tree8903d69871fa1e88c7e219de7fab7331c77af7cc
parentc06cb593eba5696cd0e92af59e864ce80d702ce4 (diff)
networkd: add bridge properties
ForwardDelaySec: forward delay HelloTimeSec: hello time MaxAgeSec: maximum message age for more information see http://www.tldp.org/HOWTO/BRIDGE-STP-HOWTO/set-up-the-bridge.html In kernel br_dev_newlink: does not have the this functionality to set while creation. br_changelink: after creation we can change the parameters. we need to first create then set it the parameters. Introduce new callback post_create .This should set the properties after the creation.
-rw-r--r--src/network/networkd-netdev-bridge.c86
-rw-r--r--src/network/networkd-netdev-bridge.h4
-rw-r--r--src/network/networkd-netdev-gperf.gperf3
-rw-r--r--src/network/networkd-netdev.c3
-rw-r--r--src/network/networkd-netdev.h3
5 files changed, 98 insertions, 1 deletions
diff --git a/src/network/networkd-netdev-bridge.c b/src/network/networkd-netdev-bridge.c
index fd6af7e99b..2eeb86a683 100644
--- a/src/network/networkd-netdev-bridge.c
+++ b/src/network/networkd-netdev-bridge.c
@@ -20,12 +20,96 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <net/if.h>
#include "networkd-netdev-bridge.h"
#include "missing.h"
+#include "netlink-util.h"
+
+/* callback for brige netdev's parameter set */
+static int netdev_bridge_set_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
+ _cleanup_netdev_unref_ NetDev *netdev = userdata;
+ int r;
+
+ assert(netdev);
+ assert(m);
+
+ r = sd_netlink_message_get_errno(m);
+ if (r < 0) {
+ log_netdev_warning_errno(netdev, r, "Bridge parameters could not be set: %m");
+ return 1;
+ }
+
+ log_netdev_debug(netdev, "Bridge parametres set success");
+
+ return 1;
+}
+
+static int netdev_bridge_post_create(NetDev *netdev, Link *link, sd_netlink_message *m) {
+ _cleanup_netlink_message_unref_ sd_netlink_message *req = NULL;
+ Bridge *b;
+ int r;
+
+ assert(netdev);
+
+ b = BRIDGE(netdev);
+
+ assert(b);
+
+ r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req, RTM_NEWLINK, netdev->ifindex);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not allocate RTM_SETLINK message: %m");
+
+ r = sd_netlink_message_set_flags(req, NLM_F_REQUEST | NLM_F_ACK);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not set netlink flags: %m");
+
+ r = sd_netlink_message_open_container(req, IFLA_LINKINFO);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_PROTINFO attribute: %m");
+
+ r = sd_netlink_message_open_container_union(req, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind));
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
+
+ if (b->forward_delay > 0) {
+ r = sd_netlink_message_append_u32(req, IFLA_BR_FORWARD_DELAY, b->forward_delay / USEC_PER_SEC);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_FORWARD_DELAY attribute: %m");
+ }
+
+ if (b->hello_time > 0) {
+ r = sd_netlink_message_append_u32(req, IFLA_BR_HELLO_TIME, b->hello_time / USEC_PER_SEC );
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_HELLO_TIME attribute: %m");
+ }
+
+ if (b->max_age > 0) {
+ r = sd_netlink_message_append_u32(req, IFLA_BR_MAX_AGE, b->max_age / USEC_PER_SEC);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_BR_MAX_AGE attribute: %m");
+ }
+
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
+
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
+
+ r = sd_netlink_call_async(netdev->manager->rtnl, req, netdev_bridge_set_handler, netdev, 0, NULL);
+ if (r < 0)
+ return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m");
+
+ netdev_ref(netdev);
+
+ return r;
+}
const NetDevVTable bridge_vtable = {
.object_size = sizeof(Bridge),
- .sections = "Match\0NetDev\0",
+ .sections = "Match\0NetDev\0Bridge\0",
+ .post_create = netdev_bridge_post_create,
.create_type = NETDEV_CREATE_MASTER,
};
diff --git a/src/network/networkd-netdev-bridge.h b/src/network/networkd-netdev-bridge.h
index a7d02b1c91..d3bd15e0d6 100644
--- a/src/network/networkd-netdev-bridge.h
+++ b/src/network/networkd-netdev-bridge.h
@@ -27,6 +27,10 @@ typedef struct Bridge Bridge;
struct Bridge {
NetDev meta;
+
+ usec_t forward_delay;
+ usec_t hello_time;
+ usec_t max_age;
};
extern const NetDevVTable bridge_vtable;
diff --git a/src/network/networkd-netdev-gperf.gperf b/src/network/networkd-netdev-gperf.gperf
index e0bd0e024a..4aac239850 100644
--- a/src/network/networkd-netdev-gperf.gperf
+++ b/src/network/networkd-netdev-gperf.gperf
@@ -86,3 +86,6 @@ Bond.UpDelaySec, config_parse_sec, 0,
Bond.DownDelaySec, config_parse_sec, 0, offsetof(Bond, downdelay)
Bond.ARPIntervalSec, config_parse_sec, 0, offsetof(Bond, arp_interval)
Bond.LearnPacketIntervalSec, config_parse_sec, 0, offsetof(Bond, lp_interval)
+Bridge.HelloTimeSec, config_parse_sec, 0, offsetof(Bridge, hello_time)
+Bridge.MaxAgeSec, config_parse_sec, 0, offsetof(Bridge, max_age)
+Bridge.ForwardDelaySec, config_parse_sec, 0, offsetof(Bridge, forward_delay)
diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index ff1edf2c39..3d4865a780 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -245,6 +245,9 @@ static int netdev_enter_ready(NetDev *netdev) {
free(callback);
}
+ if (NETDEV_VTABLE(netdev)->post_create)
+ NETDEV_VTABLE(netdev)->post_create(netdev, NULL, NULL);
+
return 0;
}
diff --git a/src/network/networkd-netdev.h b/src/network/networkd-netdev.h
index 1f8510c4f7..3b9ab27b67 100644
--- a/src/network/networkd-netdev.h
+++ b/src/network/networkd-netdev.h
@@ -141,6 +141,9 @@ struct NetDevVTable {
/* create netdev, if not done via rtnl */
int (*create)(NetDev *netdev);
+ /* perform additional configuration after netdev has been createad */
+ int (*post_create)(NetDev *netdev, Link *link, sd_netlink_message *message);
+
/* verify that compulsory configuration options were specified */
int (*config_verify)(NetDev *netdev, const char *filename);
};