Attachment 938978 Details for Bug 1141256 – Suggested fix (el7)

Suggested fix (el7)

el7-0001-platform-Increase-NL-buffer-size-for-systems-with-lo.patch (text/plain), 1.58 KB, created by Lubomir Rintel on 2014-09-18 16:17:44 UTC

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Creator: Lubomir Rintel

Created: 2014-09-18 16:17:44 UTC

Size: 1.58 KB

patch

obsolete

>From 28fa42367a3a12f78a5918c517e376986fc863f3 Mon Sep 17 00:00:00 2001
>From: Lubomir Rintel <lkundrak@v3.sk>
>Date: Mon, 15 Sep 2014 07:42:33 +0200
>Subject: [PATCH] platform: Increase NL buffer size for systems with lot
> 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.
>---
> src/platform/nm-linux-platform.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
>diff --git a/src/platform/nm-linux-platform.c b/src/platform/nm-linux-platform.c
>index 1e64e00..4bd1402 100644
>--- a/src/platform/nm-linux-platform.c
>+++ b/src/platform/nm-linux-platform.c
>@@ -2929,6 +2929,7 @@ udev_device_added (NMPlatform *platform,
> 	auto_nl_object struct rtnl_link *rtnllink = NULL;
> 	const char *ifname;
> 	int ifindex;
>+	int nle;
> 
> 	ifname = g_udev_device_get_name (udev_device);
> 	if (!ifname) {
>@@ -2951,6 +2952,12 @@ 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");
>+
> 	/* Don't announce devices that have not yet been discovered via Netlink. */
> 	rtnllink = rtnl_link_get (priv->link_cache, ifindex);
> 	if (!rtnllink) {
>-- 
>1.9.3
>

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Attachments on bug 1141256: 937446 | 938978