[net-next,07/14] mlxsw: reg: Increase MLXSW_REG_QEEC_MAS_DIS
diff mbox series

Message ID 20200124132318.712354-8-idosch@idosch.org
State Accepted
Delegated to: David Miller
Headers show
Series
  • mlxsw: Offload TBF
Related show

Commit Message

Ido Schimmel Jan. 24, 2020, 1:23 p.m. UTC
From: Petr Machata <petrm@mellanox.com>

As the port speeds grow, the current value of "unlimited shaper",
200000000Kbps, might become lower than the actually supported speeds. Bump
it to the maximum value that fits in the corresponding QEEC field, which is
about 2.1Tbps.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Jiri Pirko Jan. 24, 2020, 3:05 p.m. UTC | #1
Fri, Jan 24, 2020 at 02:23:11PM CET, idosch@idosch.org wrote:
>From: Petr Machata <petrm@mellanox.com>
>
>As the port speeds grow, the current value of "unlimited shaper",
>200000000Kbps, might become lower than the actually supported speeds. Bump
>it to the maximum value that fits in the corresponding QEEC field, which is
>about 2.1Tbps.
>
>Signed-off-by: Petr Machata <petrm@mellanox.com>
>Signed-off-by: Ido Schimmel <idosch@mellanox.com>

Acked-by: Jiri Pirko <jiri@mellanox.com>

Patch
diff mbox series

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index afd712d8fd46..dd6685156396 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -3563,8 +3563,8 @@  MLXSW_ITEM32(reg, qeec, min_shaper_rate, 0x0C, 0, 28);
  */
 MLXSW_ITEM32(reg, qeec, mase, 0x10, 31, 1);
 
-/* A large max rate will disable the max shaper. */
-#define MLXSW_REG_QEEC_MAS_DIS	200000000	/* Kbps */
+/* The largest max shaper value possible to disable the shaper. */
+#define MLXSW_REG_QEEC_MAS_DIS	((1u << 31) - 1)	/* Kbps */
 
 /* reg_qeec_max_shaper_rate
  * Max shaper information rate.