netdev - [Patch net-next v2 0/2] net: dsa: microchip: add support for credit based shaper

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Date:   Fri, 20 Jan 2023 10:51:33 +0530
From:   Arun Ramadoss <arun.ramadoss@...rochip.com>
To:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC:     <woojung.huh@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
        <andrew@...n.ch>, <vivien.didelot@...il.com>,
        <f.fainelli@...il.com>, <olteanv@...il.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <linux@...linux.org.uk>, <Tristram.Ha@...rochip.com>
Subject: [Patch net-next v2 0/2] net: dsa: microchip: add support for credit based shaper

LAN937x switch family, KSZ9477, KSZ9567, KSZ9563 and KSZ8563 supports
the credit based shaper. But there were few difference between LAN937x and KSZ
switch like
- number of queues for LAN937x is 8 and for others it is 4.
- size of credit increment register for LAN937x is 24 and for other is 16-bit.
This patch series add the credit based shaper with common implementation for
LAN937x and KSZ swithes.

v1 -> v2
- Added the check for divide by zero in cinc_cal()
- Port queue is splitted based on dev->info->tc_num_queues

RFC -> Patch v1
- Rebased to latest net-next

Arun Ramadoss (2):
  net: dsa: microchip: enable port queues for tc mqprio
  net: dsa: microchip: add support for credit based shaper

 drivers/net/dsa/microchip/ksz9477.c      |  25 +++++
 drivers/net/dsa/microchip/ksz9477.h      |   2 +
 drivers/net/dsa/microchip/ksz9477_reg.h  |  33 ++----
 drivers/net/dsa/microchip/ksz_common.c   | 130 +++++++++++++++++++++++
 drivers/net/dsa/microchip/ksz_common.h   |  21 ++++
 drivers/net/dsa/microchip/lan937x.h      |   1 +
 drivers/net/dsa/microchip/lan937x_main.c |   9 ++
 drivers/net/dsa/microchip/lan937x_reg.h  |   3 +
 net/dsa/tag_ksz.c                        |  15 +++
 9 files changed, 213 insertions(+), 26 deletions(-)


base-commit: 1038bfb23649faf47fc0714dea42f472cdcf1784
-- 
2.36.1