This patch adds support for the IFLA_STATS_LINK_XSTATS_SLAVE attribute which allows to export per-slave statistics if the master device supports the linkxstats callback. The attribute is passed down to the linkxstats callback and it is up to the callback user to use it (an example has been added to the only current user - the bridge). This allows us to query only specific slaves of master devices like bridge ports and export only what we're interested in instead of having to dump all ports and searching only for a single one. This will be used to export per-port IGMP/MLD stats and also per-port vlan stats in the future, possibly other statistics as well.
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| @@ -822,6 +822,7 @@ enum { · 821 unmodified lines | ||
| 822 | 822 | IFLA_STATS_UNSPEC, /* also used as 64bit pad attribute */ |
| 823 | 823 | IFLA_STATS_LINK_64, |
| 824 | 824 | IFLA_STATS_LINK_XSTATS, |
| 825 | + IFLA_STATS_LINK_XSTATS_SLAVE, | |
| 825 | 826 | __IFLA_STATS_MAX, |
| 826 | 827 | }; |
| 827 | 828 | |