redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

mlxsw: reg: QEEC: Add minimum shaper fields 

Add QEEC.mise (minimum shaper enable) and QEEC.min_shaper_rate to enable
configuration of minimum shaper.

Increase the QEEC length to 0x20 as well: that's the length that the
register has had for a long time now, but with the configurations that
mlxsw typically exercises, the firmware tolerated 0x1C-sized packets.
With mise=true however, FW rejects packets unless they have the full
required length.

Fixes: b9b7cee405 ("mlxsw: reg: Add QoS ETS Element Configuration register")
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Petr Machata 2018-10-31 09:56:42 +00:00 committed by David S. Miller
parent c4d63c7147
commit 8b931821aa
1 changed files with 21 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/net/ethernet/mellanox/mlxsw/reg.h
View File

@ -3284,7 +3284,7 @@ static inline void mlxsw_reg_qtct_pack(char *payload, u8 local_port,
* Configures the ETS elements.
*/
#define MLXSW_REG_QEEC_ID 0x400D
#define MLXSW_REG_QEEC_LEN 0x1C
#define MLXSW_REG_QEEC_LEN 0x20
MLXSW_REG_DEFINE(qeec, MLXSW_REG_QEEC_ID, MLXSW_REG_QEEC_LEN);
@ -3326,6 +3326,15 @@ MLXSW_ITEM32(reg, qeec, element_index, 0x04, 0, 8);
*/
MLXSW_ITEM32(reg, qeec, next_element_index, 0x08, 0, 8);
/* reg_qeec_mise
* Min shaper configuration enable. Enables configuration of the min
* shaper on this ETS element
* 0 - Disable
* 1 - Enable
* Access: RW
*/
MLXSW_ITEM32(reg, qeec, mise, 0x0C, 31, 1);
enum {
MLXSW_REG_QEEC_BYTES_MODE,
MLXSW_REG_QEEC_PACKETS_MODE,
@ -3342,6 +3351,17 @@ enum {
*/
MLXSW_ITEM32(reg, qeec, pb, 0x0C, 28, 1);
/* The smallest permitted min shaper rate. */
#define MLXSW_REG_QEEC_MIS_MIN 200000 /* Kbps */
/* reg_qeec_min_shaper_rate
* Min shaper information rate.
* For CPU port, can only be configured for port hierarchy.
* When in bytes mode, value is specified in units of 1000bps.
* Access: RW
*/
MLXSW_ITEM32(reg, qeec, min_shaper_rate, 0x0C, 0, 28);
/* reg_qeec_mase
* Max shaper configuration enable. Enables configuration of the max
* shaper on this ETS element.