On 08/14/2017 03:22 PM, Vivien Didelot wrote:
> Add a debug filesystem "stats" entry to query a port's hardware
> statistics through the DSA switch .get_sset_count, .get_strings and
> .get_ethtool_stats operations.
>
> This allows one to get statistics about DSA links interconnecting
> switches, which is very convenient because this kind of port is not
> exposed to userspace.
>
> Here are the stats of a zii-rev-b DSA and CPU ports:
>
> # pr -mt switch0/port{5,6}/stats
> in_good_octets : 0 in_good_octets : 13824
> in_bad_octets : 0 in_bad_octets : 0
> in_unicast : 0 in_unicast : 0
> in_broadcasts : 0 in_broadcasts : 216
> in_multicasts : 0 in_multicasts : 0
> in_pause : 0 in_pause : 0
> in_undersize : 0 in_undersize : 0
> in_fragments : 0 in_fragments : 0
> in_oversize : 0 in_oversize : 0
> in_jabber : 0 in_jabber : 0
> in_rx_error : 0 in_rx_error : 0
> in_fcs_error : 0 in_fcs_error : 0
> out_octets : 9216 out_octets : 0
> out_unicast : 0 out_unicast : 0
> out_broadcasts : 144 out_broadcasts : 0
> out_multicasts : 0 out_multicasts : 0
> out_pause : 0 out_pause : 0
> excessive : 0 excessive : 0
> collisions : 0 collisions : 0
> deferred : 0 deferred : 0
> single : 0 single : 0
> multiple : 0 multiple : 0
> out_fcs_error : 0 out_fcs_error : 0
> late : 0 late : 0
> hist_64bytes : 0 hist_64bytes : 0
> hist_65_127bytes : 0 hist_65_127bytes : 0
> hist_128_255bytes : 0 hist_128_255bytes : 0
> hist_256_511bytes : 0 hist_256_511bytes : 0
> hist_512_1023bytes : 0 hist_512_1023bytes : 0
> hist_1024_max_bytes : 0 hist_1024_max_bytes : 0
> sw_in_discards : 0 sw_in_discards : 0
> sw_in_filtered : 0 sw_in_filtered : 0
> sw_out_filtered : 0 sw_out_filtered : 216
>
> Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.faine...@gmail.com>
--
Florian
