On Fri, Dec 11, 2015 at 8:25 PM, Christoph Lameter <[email protected]> wrote:
> Display the additional 64 bit counters available through the extended
> set and replace the existing 32 bit counters if there is a 64 bit
> alternative available.
>
> Note: This requires universal support of extended counters in
> the devices. If there are still devices around that do not
> support extended counters then we will have to add some fallback
> technique here.
>
> Signed-off-by: Christoph Lameter <[email protected]>
> ---
> drivers/infiniband/core/sysfs.c | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
> index 0083a4f..f7f2954 100644
> --- a/drivers/infiniband/core/sysfs.c
> +++ b/drivers/infiniband/core/sysfs.c
> @@ -406,10 +406,14 @@ static PORT_PMA_ATTR(port_rcv_constraint_errors ,
> 8, 8, 136, IB_PMA_PORT_C
> static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152,
> IB_PMA_PORT_COUNTERS);
> static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156,
> IB_PMA_PORT_COUNTERS);
> static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176,
> IB_PMA_PORT_COUNTERS);
> -static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192,
> IB_PMA_PORT_COUNTERS);
> -static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224,
> IB_PMA_PORT_COUNTERS);
> -static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256,
> IB_PMA_PORT_COUNTERS);
> -static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288,
> IB_PMA_PORT_COUNTERS);
> +static PORT_PMA_ATTR(port_xmit_data , 0, 64, 64,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(port_rcv_data , 0, 64, 128,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(port_xmit_packets , 0, 64, 192,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(port_rcv_packets , 0, 64, 256,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(unicast_xmit_packets , 0, 64, 320,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(unicast_rcv_packets , 0, 64, 384,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(multicast_xmit_packets , 0, 64, 448,
> IB_PMA_PORT_COUNTERS_EXT);
> +static PORT_PMA_ATTR(multicast_rcv_packets , 0, 64, 512,
> IB_PMA_PORT_COUNTERS_EXT);
>
Why do we use 0 as the counter argument for all EXT counters?
> static struct attribute *pma_attrs[] = {
> &port_pma_attr_symbol_error.attr.attr,
> @@ -428,6 +432,10 @@ static struct attribute *pma_attrs[] = {
> &port_pma_attr_port_rcv_data.attr.attr,
> &port_pma_attr_port_xmit_packets.attr.attr,
> &port_pma_attr_port_rcv_packets.attr.attr,
> + &port_pma_attr_unicast_rcv_packets.attr.attr,
> + &port_pma_attr_unicast_xmit_packets.attr.attr,
> + &port_pma_attr_multicast_rcv_packets.attr.attr,
> + &port_pma_attr_multicast_xmit_packets.attr.attr,
> NULL
> };
>
> --
> 2.5.0
>
>
> --
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