On 9/9/15, 2:45 PM, Sowmini Varadhan wrote:
On (09/09/15 14:43), David Miller wrote:
But what we could do is add a flag in the netlink request which
elides the stats. GLIBC et al. could then start setting the flag.
Yes, interestingly that's what I was experimenting with myself
(though I was using a setsockopt in my version). I'll send out
a patch rfc later this week for this.
If you decide to use a flag, there is IFLA_EXT_MASK which is used to
specify such filters from userspace today.
/* New extended info filters for IFLA_EXT_MASK */
#define RTEXT_FILTER_VF (1 << 0)
#define RTEXT_FILTER_BRVLAN (1 << 1)
#define RTEXT_FILTER_BRVLAN_COMPRESSED (1 << 2)
ideally long term, it would be nice for RTM_GETLINK request msg to
contain the attributes it is interested in (This would again be
optional with the default being get all attributes).
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