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On many architectures, retrieving the HW counters from the switch is not potentially sleeping. This would potentially allow these architectures to retrieve the most recent values from the HW when .get_stats64 is called. But because of the global mutex (which may sleep on lock), this would no longer be possible. Reintroduce the per port counters lock which protects from parallel writes+reads of the non-link_stat counters. The locking is made abstract by using helpers which identify the correct locking mechanism based on the used read methods of the SoC. Signed-off-by: Sven Eckelmann <se@simonwunderlich.de> Link: https://github.com/openwrt/openwrt/pull/20631 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> |
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| Config.in | ||
| Makefile | ||