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authorGreg Rose <gregory.v.rose@intel.com>2011-06-10 05:27:09 +0400
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-06-10 07:38:07 +0400
commitc7ac8679bec9397afe8918f788cbcef88c38da54 (patch)
treec152712de4c997ea79252ef9ac72aaedb8f88c18 /net/bridge/br_netlink.c
parent929dd047720785f099e12113780b3d7914ce6d9f (diff)
downloadlinux-c7ac8679bec9397afe8918f788cbcef88c38da54.tar.xz
rtnetlink: Compute and store minimum ifinfo dump size
The message size allocated for rtnl ifinfo dumps was limited to a single page. This is not enough for additional interface info available with devices that support SR-IOV and caused a bug in which VF info would not be displayed if more than approximately 40 VFs were created per interface. Implement a new function pointer for the rtnl_register service that will calculate the amount of data required for the ifinfo dump and allocate enough data to satisfy the request. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'net/bridge/br_netlink.c')
-rw-r--r--net/bridge/br_netlink.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index ffb0dc4cc0e8..6814083a92f4 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -218,19 +218,24 @@ int __init br_netlink_init(void)
if (err < 0)
goto err1;
- err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, br_dump_ifinfo);
+ err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL,
+ br_dump_ifinfo, NULL);
if (err)
goto err2;
- err = __rtnl_register(PF_BRIDGE, RTM_SETLINK, br_rtm_setlink, NULL);
+ err = __rtnl_register(PF_BRIDGE, RTM_SETLINK,
+ br_rtm_setlink, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH, br_fdb_add, NULL);
+ err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH,
+ br_fdb_add, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH, br_fdb_delete, NULL);
+ err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH,
+ br_fdb_delete, NULL, NULL);
if (err)
goto err3;
- err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH, NULL, br_fdb_dump);
+ err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH,
+ NULL, br_fdb_dump, NULL);
if (err)
goto err3;