diff options
Diffstat (limited to 'drivers/net/dsa/vitesse-vsc73xx-core.c')
| -rw-r--r-- | drivers/net/dsa/vitesse-vsc73xx-core.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/net/dsa/vitesse-vsc73xx-core.c b/drivers/net/dsa/vitesse-vsc73xx-core.c index 6e21a2a5cf01..19ce4aa0973b 100644 --- a/drivers/net/dsa/vitesse-vsc73xx-core.c +++ b/drivers/net/dsa/vitesse-vsc73xx-core.c @@ -664,16 +664,6 @@ static void vsc73xx_init_port(struct vsc73xx *vsc, int port) VSC73XX_MAC_CFG_TX_EN | VSC73XX_MAC_CFG_RX_EN); - /* Max length, we can do up to 9.6 KiB, so allow that. - * According to application not "VSC7398 Jumbo Frames" setting - * up the MTU to 9.6 KB does not affect the performance on standard - * frames, so just enable it. It is clear from the application note - * that "9.6 kilobytes" == 9600 bytes. - */ - vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, - port, - VSC73XX_MAXLEN, 9600); - /* Flow control for the CPU port: * Use a zero delay pause frame when pause condition is left * Obey pause control frames @@ -1030,6 +1020,24 @@ static void vsc73xx_get_ethtool_stats(struct dsa_switch *ds, int port, } } +static int vsc73xx_change_mtu(struct dsa_switch *ds, int port, int new_mtu) +{ + struct vsc73xx *vsc = ds->priv; + + return vsc73xx_write(vsc, VSC73XX_BLOCK_MAC, port, + VSC73XX_MAXLEN, new_mtu); +} + +/* According to application not "VSC7398 Jumbo Frames" setting + * up the MTU to 9.6 KB does not affect the performance on standard + * frames. It is clear from the application note that + * "9.6 kilobytes" == 9600 bytes. + */ +static int vsc73xx_get_max_mtu(struct dsa_switch *ds, int port) +{ + return 9600; +} + static const struct dsa_switch_ops vsc73xx_ds_ops = { .get_tag_protocol = vsc73xx_get_tag_protocol, .setup = vsc73xx_setup, @@ -1041,6 +1049,8 @@ static const struct dsa_switch_ops vsc73xx_ds_ops = { .get_sset_count = vsc73xx_get_sset_count, .port_enable = vsc73xx_port_enable, .port_disable = vsc73xx_port_disable, + .port_change_mtu = vsc73xx_change_mtu, + .port_max_mtu = vsc73xx_get_max_mtu, }; static int vsc73xx_gpio_get(struct gpio_chip *chip, unsigned int offset) |