* Re: [PATCH iproute2-next v3] devlink: report cell size
2019-02-04 15:28 [PATCH iproute2-next v3] devlink: report cell size Jakub Kicinski
@ 2019-02-04 15:25 ` Jiri Pirko
2019-02-06 17:19 ` David Ahern
1 sibling, 0 replies; 3+ messages in thread
From: Jiri Pirko @ 2019-02-04 15:25 UTC (permalink / raw)
To: Jakub Kicinski; +Cc: idosch, dsahern, stephen, oss-drivers, netdev
Mon, Feb 04, 2019 at 04:28:59PM CET, jakub.kicinski@netronome.com wrote:
>Print the value of DEVLINK_ATTR_SB_POOL_CELL_SIZE, if reported.
>
>Example:
>pci/0000:82:00.0:
> sb 1 pool 0 type egress size 40945664 thtype static cell_size 2048
> sb 2 pool 0 type egress size 258867200 thtype static cell_size 10240
>...
>
>v3: - don't double space.
>v2: - fix spelling.
>
>Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
>Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH iproute2-next v3] devlink: report cell size
@ 2019-02-04 15:28 Jakub Kicinski
2019-02-04 15:25 ` Jiri Pirko
2019-02-06 17:19 ` David Ahern
0 siblings, 2 replies; 3+ messages in thread
From: Jakub Kicinski @ 2019-02-04 15:28 UTC (permalink / raw)
To: idosch, jiri, dsahern; +Cc: stephen, oss-drivers, netdev, Jakub Kicinski
Print the value of DEVLINK_ATTR_SB_POOL_CELL_SIZE, if reported.
Example:
pci/0000:82:00.0:
sb 1 pool 0 type egress size 40945664 thtype static cell_size 2048
sb 2 pool 0 type egress size 258867200 thtype static cell_size 10240
...
v3: - don't double space.
v2: - fix spelling.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
---
devlink/devlink.c | 3 +++
man/man8/devlink-sb.8 | 10 ++++++++++
2 files changed, 13 insertions(+)
diff --git a/devlink/devlink.c b/devlink/devlink.c
index fc4b18d1b613..40f6105af109 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -2891,6 +2891,9 @@ static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb)
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]));
pr_out_str(dl, "thtype",
threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
+ if (tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE])
+ pr_out_uint(dl, "cell_size",
+ mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_CELL_SIZE]));
pr_out_handle_end(dl);
}
diff --git a/man/man8/devlink-sb.8 b/man/man8/devlink-sb.8
index 1882833a3fa7..91b681897d01 100644
--- a/man/man8/devlink-sb.8
+++ b/man/man8/devlink-sb.8
@@ -128,6 +128,16 @@ Behaviour of this argument it the same for every command.
- specifies the devlink device to show pools.
If this argument is omitted all pools of all devices are listed.
+Display available pools listing their
+.B type, size, thtype
+and
+.B cell_size. cell_size
+is the allocation granularity of memory within the shared buffer. Drivers
+may round up, round down or reject
+.B size
+passed to the set command if it is not multiple of
+.B cell_size.
+
.SS devlink sb pool set - set attributes of pool
.PP
--
2.19.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH iproute2-next v3] devlink: report cell size
2019-02-04 15:28 [PATCH iproute2-next v3] devlink: report cell size Jakub Kicinski
2019-02-04 15:25 ` Jiri Pirko
@ 2019-02-06 17:19 ` David Ahern
1 sibling, 0 replies; 3+ messages in thread
From: David Ahern @ 2019-02-06 17:19 UTC (permalink / raw)
To: Jakub Kicinski, idosch, jiri; +Cc: stephen, oss-drivers, netdev
On 2/4/19 7:28 AM, Jakub Kicinski wrote:
> Print the value of DEVLINK_ATTR_SB_POOL_CELL_SIZE, if reported.
>
> Example:
> pci/0000:82:00.0:
> sb 1 pool 0 type egress size 40945664 thtype static cell_size 2048
> sb 2 pool 0 type egress size 258867200 thtype static cell_size 10240
> ...
>
> v3: - don't double space.
> v2: - fix spelling.
>
> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
> ---
> devlink/devlink.c | 3 +++
> man/man8/devlink-sb.8 | 10 ++++++++++
> 2 files changed, 13 insertions(+)
applied to iproute2-next. Thanks
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-02-04 15:28 [PATCH iproute2-next v3] devlink: report cell size Jakub Kicinski
2019-02-04 15:25 ` Jiri Pirko
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