lkml.org 
[lkml]   [2017]   [Oct]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH net-next v3 3/5] net: dsa: mv88e6060: setup random mac address
Date
As for mv88e6xxx, setup the switch from within the mv88e6060 driver with
a random MAC address, and remove the .set_addr implementation.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
drivers/net/dsa/mv88e6060.c | 43 ++++++++++++++++++++++++++-----------------
1 file changed, 26 insertions(+), 17 deletions(-)

diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index d64be2b83d3c..6173be889d95 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -9,6 +9,7 @@
*/

#include <linux/delay.h>
+#include <linux/etherdevice.h>
#include <linux/jiffies.h>
#include <linux/list.h>
#include <linux/module.h>
@@ -188,6 +189,27 @@ static int mv88e6060_setup_port(struct dsa_switch *ds, int p)
return 0;
}

+static int mv88e6060_setup_addr(struct dsa_switch *ds)
+{
+ u8 addr[ETH_ALEN];
+ u16 val;
+
+ eth_random_addr(addr);
+
+ val = addr[0] << 8 | addr[1];
+
+ /* The multicast bit is always transmitted as a zero, so the switch uses
+ * bit 8 for "DiffAddr", where 0 means all ports transmit the same SA.
+ */
+ val &= 0xfeff;
+
+ REG_WRITE(REG_GLOBAL, GLOBAL_MAC_01, val);
+ REG_WRITE(REG_GLOBAL, GLOBAL_MAC_23, (addr[2] << 8) | addr[3]);
+ REG_WRITE(REG_GLOBAL, GLOBAL_MAC_45, (addr[4] << 8) | addr[5]);
+
+ return 0;
+}
+
static int mv88e6060_setup(struct dsa_switch *ds)
{
int ret;
@@ -203,6 +225,10 @@ static int mv88e6060_setup(struct dsa_switch *ds)
if (ret < 0)
return ret;

+ ret = mv88e6060_setup_addr(ds);
+ if (ret < 0)
+ return ret;
+
for (i = 0; i < MV88E6060_PORTS; i++) {
ret = mv88e6060_setup_port(ds, i);
if (ret < 0)
@@ -212,22 +238,6 @@ static int mv88e6060_setup(struct dsa_switch *ds)
return 0;
}

-static int mv88e6060_set_addr(struct dsa_switch *ds, u8 *addr)
-{
- u16 val = addr[0] << 8 | addr[1];
-
- /* The multicast bit is always transmitted as a zero, so the switch uses
- * bit 8 for "DiffAddr", where 0 means all ports transmit the same SA.
- */
- val &= 0xfeff;
-
- REG_WRITE(REG_GLOBAL, GLOBAL_MAC_01, val);
- REG_WRITE(REG_GLOBAL, GLOBAL_MAC_23, (addr[2] << 8) | addr[3]);
- REG_WRITE(REG_GLOBAL, GLOBAL_MAC_45, (addr[4] << 8) | addr[5]);
-
- return 0;
-}
-
static int mv88e6060_port_to_phy_addr(int port)
{
if (port >= 0 && port < MV88E6060_PORTS)
@@ -262,7 +272,6 @@ static const struct dsa_switch_ops mv88e6060_switch_ops = {
.get_tag_protocol = mv88e6060_get_tag_protocol,
.probe = mv88e6060_drv_probe,
.setup = mv88e6060_setup,
- .set_addr = mv88e6060_set_addr,
.phy_read = mv88e6060_phy_read,
.phy_write = mv88e6060_phy_write,
};
--
2.14.2
\
 
 \ /
  Last update: 2017-10-13 20:19    [W:0.114 / U:0.628 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site