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| author | Lubomir Rintel <lkundrak@v3.sk> | 2014-09-15 07:42:33 +0200 |
|---|---|---|
| committer | Jiří Klimeš <jklimes@redhat.com> | 2014-09-22 11:17:12 +0200 |
| commit | efd09845c41e08469d6f6bffa23bd90b6bd06e85 (patch) | |
| tree | f66df68d58f14fd1987093a4a9dd87875af5d389 | |
| parent | a36a3a9a522f98fecde80c1ebf1a35d94c630897 (diff) | |
| download | NetworkManager-efd09845c41e08469d6f6bffa23bd90b6bd06e85.tar.gz | |
platform: increase NL buffer for systems with lots of interfaces (rh #1141256)
Seems like 128k is not enough for systems with many interfaces. This adds 4k
per device, while keeping the 128k minimum. Therefore this change only
affects systems with more than 32 interfaces.
https://bugzilla.redhat.com/show_bug.cgi?id=1141256
| -rw-r--r-- | src/platform/nm-linux-platform.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c index 8bec9b2d36..73994cc362 100644 --- a/src/platform/nm-linux-platform.c +++ b/src/platform/nm-linux-platform.c @@ -3971,6 +3971,7 @@ udev_device_added (NMPlatform *platform, const char *ifname; int ifindex; gboolean was_announceable = FALSE; + int nle; ifname = g_udev_device_get_name (udev_device); if (!ifname) { @@ -4001,6 +4002,12 @@ udev_device_added (NMPlatform *platform, g_hash_table_insert (priv->udev_devices, GINT_TO_POINTER (ifindex), g_object_ref (udev_device)); + /* Grow the netlink socket buffer beyond 128k if we have more that 32 interfaces. */ + nle = nl_socket_set_buffer_size (priv->nlh_event, + MAX (131072, 4096 * g_hash_table_size (priv->udev_devices)), 0); + if (nle) + warning ("udev-add: failed to adjust netlink socket buffer size"); + /* Announce devices only if they also have been discovered via Netlink. */ if (rtnllink && link_is_announceable (platform, rtnllink)) announce_object (platform, (struct nl_object *) rtnllink, was_announceable ? NM_PLATFORM_SIGNAL_CHANGED : NM_PLATFORM_SIGNAL_ADDED, NM_PLATFORM_REASON_EXTERNAL); |