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libnetlink: Use ifinfomsg instead of rtgenmsg in rtnl_wilddump_req_filter

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This change corrects a kernel incompatibility that was resulting in the
ext_filter_mask not being correctly discovered by the kernel as it is buried
somewhere in the ifinfomsg.

Reported-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2013-04-25 12:07:10 +00:00 committed by Stephen Hemminger
parent 03fdb011dd
commit 63338dca45
1 changed files with 2 additions and 2 deletions
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4
lib/libnetlink.c
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@ -99,7 +99,7 @@ int rtnl_wilddump_req_filter(struct rtnl_handle *rth, int family, int type,
{
struct {
struct nlmsghdr nlh;
struct rtgenmsg g;
struct ifinfomsg ifm;
/* attribute has to be NLMSG aligned */
struct rtattr ext_req __attribute__ ((aligned(NLMSG_ALIGNTO)));
__u32 ext_filter_mask;
@ -111,7 +111,7 @@ int rtnl_wilddump_req_filter(struct rtnl_handle *rth, int family, int type,
req.nlh.nlmsg_flags = NLM_F_DUMP|NLM_F_REQUEST;
req.nlh.nlmsg_pid = 0;
req.nlh.nlmsg_seq = rth->dump = ++rth->seq;
req.g.rtgen_family = family;
req.ifm.ifi_family = family;
req.ext_req.rta_type = IFLA_EXT_MASK;
req.ext_req.rta_len = RTA_LENGTH(sizeof(__u32));