linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Vladimir Oltean <olteanv@gmail.com>
To: Prasanna Vengateshan <prasanna.vengateshan@microchip.com>
Cc: andrew@lunn.ch, netdev@vger.kernel.org, robh+dt@kernel.org,
	UNGLinuxDriver@microchip.com, Woojung.Huh@microchip.com,
	hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net,
	kuba@kernel.org, linux-kernel@vger.kernel.org,
	vivien.didelot@gmail.com, f.fainelli@gmail.com,
	devicetree@vger.kernel.org
Subject: Re: [PATCH v3 net-next 09/10] net: dsa: microchip: add support for fdb and mdb management
Date: Sat, 31 Jul 2021 18:19:11 +0300	[thread overview]
Message-ID: <20210731151911.zfapctgfc2l6ycaa@skbuf> (raw)
In-Reply-To: <20210723173108.459770-10-prasanna.vengateshan@microchip.com>

On Fri, Jul 23, 2021 at 11:01:07PM +0530, Prasanna Vengateshan wrote:
> +static int lan937x_port_fdb_add(struct dsa_switch *ds, int port,
> +				const unsigned char *addr, u16 vid)
> +{
> +	struct ksz_device *dev = ds->priv;
> +	u8 fid = lan937x_get_fid(vid);
> +	u32 alu_table[4];
> +	int ret, i;
> +	u32 data;
> +	u8 val;
> +
> +	mutex_lock(&dev->alu_mutex);
> +
> +	/* Accessing two ALU tables through loop */
> +	for (i = 0; i < ALU_STA_DYN_CNT; i++) {
> +		/* find any entry with mac & fid */
> +		data = fid << ALU_FID_INDEX_S;
> +		data |= ((addr[0] << 8) | addr[1]);

Maybe upper_32_bits(ether_addr_to_u64(addr)) and
lower_32_bits(ether_addr_to_u64(addr)) would be slightly easier on the
eye?

> +		if (alu_table[0] & ALU_V_STATIC_VALID) {
> +			/* read ALU entry */
> +			ret = lan937x_read_table(dev, alu_table);
> +			if (ret < 0) {
> +				dev_err(dev->dev, "Failed to read ALU table\n");
> +				break;
> +			}
> +
> +			/* clear forwarding port */
> +			alu_table[1] &= ~BIT(port);
> +
> +			/* if there is no port to forward, clear table */
> +			if ((alu_table[1] & ALU_V_PORT_MAP) == 0) {
> +				alu_table[0] = 0;
> +				alu_table[1] = 0;
> +				alu_table[2] = 0;
> +				alu_table[3] = 0;

memset?

> +			}
> +		} else {
> +			alu_table[0] = 0;
> +			alu_table[1] = 0;
> +			alu_table[2] = 0;
> +			alu_table[3] = 0;
> +		}
> +
> +		ret = lan937x_write_table(dev, alu_table);
> +		if (ret < 0)
> +			break;

  reply	other threads:[~2021-07-31 15:19 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-23 17:30 [PATCH v3 net-next 00/10] net: dsa: microchip: DSA driver support for LAN937x switch Prasanna Vengateshan
2021-07-23 17:30 ` [PATCH v3 net-next 01/10] dt-bindings: net: dsa: dt bindings for microchip lan937x Prasanna Vengateshan
2021-07-26 22:49   ` Rob Herring
2021-07-23 17:31 ` [PATCH v3 net-next 02/10] net: dsa: move mib->cnt_ptr reset code to ksz_common.c Prasanna Vengateshan
2021-07-23 18:53   ` Vladimir Oltean
2021-07-23 17:31 ` [PATCH v3 net-next 03/10] net: phy: Add support for LAN937x T1 phy driver Prasanna Vengateshan
2021-08-11 17:52   ` Prasanna Vengateshan
2021-07-23 17:31 ` [PATCH v3 net-next 04/10] net: dsa: tag_ksz: add tag handling for Microchip LAN937x Prasanna Vengateshan
2021-07-23 19:23   ` Vladimir Oltean
2021-07-23 17:31 ` [PATCH v3 net-next 05/10] net: dsa: microchip: add DSA support for microchip lan937x Prasanna Vengateshan
2021-07-31 15:04   ` Vladimir Oltean
2021-07-31 22:05     ` Andrew Lunn
2021-08-02 21:33       ` Vladimir Oltean
2021-08-03 14:43         ` Andrew Lunn
2021-08-03 15:05           ` Vladimir Oltean
2021-08-02 10:45     ` Prasanna Vengateshan
2021-08-02 12:15       ` Vladimir Oltean
2021-08-02 13:13         ` Andrew Lunn
2021-08-02 13:59           ` Vladimir Oltean
2021-08-02 20:47             ` Andrew Lunn
2021-08-03 16:54             ` Prasanna Vengateshan
2021-08-03 23:54               ` Vladimir Oltean
2021-08-04  9:59                 ` Russell King (Oracle)
2021-08-04 10:46                   ` Vladimir Oltean
2021-08-04 14:28                     ` Prasanna Vengateshan
2021-08-04 14:51                       ` Vladimir Oltean
2021-08-07 15:40                     ` Andrew Lunn
2021-08-07 17:00                       ` Vladimir Oltean
2021-08-11 17:44                       ` Prasanna Vengateshan
2021-08-11 18:23                         ` Andrew Lunn
2021-08-11 20:14                           ` Russell King (Oracle)
2021-08-11 20:20                             ` Vladimir Oltean
2021-08-11 20:22                               ` Andrew Lunn
2021-07-23 17:31 ` [PATCH v3 net-next 06/10] net: dsa: microchip: add support for phylink management Prasanna Vengateshan
2021-07-31 15:27   ` Vladimir Oltean
2021-08-03 17:04     ` Prasanna Vengateshan
2021-07-23 17:31 ` [PATCH v3 net-next 07/10] net: dsa: microchip: add support for ethtool port counters Prasanna Vengateshan
2021-07-23 17:31 ` [PATCH v3 net-next 08/10] net: dsa: microchip: add support for port mirror operations Prasanna Vengateshan
2021-07-31 15:24   ` Vladimir Oltean
2021-07-23 17:31 ` [PATCH v3 net-next 09/10] net: dsa: microchip: add support for fdb and mdb management Prasanna Vengateshan
2021-07-31 15:19   ` Vladimir Oltean [this message]
2021-07-23 17:31 ` [PATCH v3 net-next 10/10] net: dsa: microchip: add support for vlan operations Prasanna Vengateshan
2021-07-31 15:08   ` Vladimir Oltean
2021-08-02 10:48     ` Prasanna Vengateshan

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210731151911.zfapctgfc2l6ycaa@skbuf \
    --to=olteanv@gmail.com \
    --cc=UNGLinuxDriver@microchip.com \
    --cc=Woojung.Huh@microchip.com \
    --cc=andrew@lunn.ch \
    --cc=davem@davemloft.net \
    --cc=devicetree@vger.kernel.org \
    --cc=f.fainelli@gmail.com \
    --cc=hkallweit1@gmail.com \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@armlinux.org.uk \
    --cc=netdev@vger.kernel.org \
    --cc=prasanna.vengateshan@microchip.com \
    --cc=robh+dt@kernel.org \
    --cc=vivien.didelot@gmail.com \
    --subject='Re: [PATCH v3 net-next 09/10] net: dsa: microchip: add support for fdb and mdb management' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).