r8152: support ethtool eee
Support get_eee() and set_eee() of ethtool_ops. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -131,7 +131,9 @@
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#define OCP_SRAM_ADDR 0xa436
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#define OCP_SRAM_DATA 0xa438
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#define OCP_DOWN_SPEED 0xa442
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#define OCP_EEE_ABLE 0xa5c4
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#define OCP_EEE_ADV 0xa5d0
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#define OCP_EEE_LPABLE 0xa5d2
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#define OCP_ADC_CFG 0xbc06
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/* SRAM Register */
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@ -572,6 +574,8 @@ struct r8152 {
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void (*up)(struct r8152 *);
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void (*down)(struct r8152 *);
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void (*unload)(struct r8152 *);
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int (*eee_get)(struct r8152 *, struct ethtool_eee *);
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int (*eee_set)(struct r8152 *, struct ethtool_eee *);
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} rtl_ops;
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int intr_interval;
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@ -3366,6 +3370,122 @@ static void rtl8152_get_strings(struct net_device *dev, u32 stringset, u8 *data)
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}
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}
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static int r8152_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
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{
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u32 ocp_data, lp, adv, supported = 0;
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u16 val;
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val = r8152_mmd_read(tp, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
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supported = mmd_eee_cap_to_ethtool_sup_t(val);
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val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
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adv = mmd_eee_adv_to_ethtool_adv_t(val);
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val = r8152_mmd_read(tp, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
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lp = mmd_eee_adv_to_ethtool_adv_t(val);
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ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
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ocp_data &= EEE_RX_EN | EEE_TX_EN;
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eee->eee_enabled = !!ocp_data;
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eee->eee_active = !!(supported & adv & lp);
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eee->supported = supported;
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eee->advertised = adv;
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eee->lp_advertised = lp;
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return 0;
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}
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static int r8152_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
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{
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u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
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r8152_eee_en(tp, eee->eee_enabled);
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if (!eee->eee_enabled)
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val = 0;
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r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
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return 0;
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}
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static int r8153_get_eee(struct r8152 *tp, struct ethtool_eee *eee)
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{
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u32 ocp_data, lp, adv, supported = 0;
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u16 val;
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val = ocp_reg_read(tp, OCP_EEE_ABLE);
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supported = mmd_eee_cap_to_ethtool_sup_t(val);
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val = ocp_reg_read(tp, OCP_EEE_ADV);
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adv = mmd_eee_adv_to_ethtool_adv_t(val);
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val = ocp_reg_read(tp, OCP_EEE_LPABLE);
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lp = mmd_eee_adv_to_ethtool_adv_t(val);
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ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR);
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ocp_data &= EEE_RX_EN | EEE_TX_EN;
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eee->eee_enabled = !!ocp_data;
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eee->eee_active = !!(supported & adv & lp);
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eee->supported = supported;
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eee->advertised = adv;
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eee->lp_advertised = lp;
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return 0;
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}
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static int r8153_set_eee(struct r8152 *tp, struct ethtool_eee *eee)
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{
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u16 val = ethtool_adv_to_mmd_eee_adv_t(eee->advertised);
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r8153_eee_en(tp, eee->eee_enabled);
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if (!eee->eee_enabled)
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val = 0;
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ocp_reg_write(tp, OCP_EEE_ADV, val);
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return 0;
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}
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static int
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rtl_ethtool_get_eee(struct net_device *net, struct ethtool_eee *edata)
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{
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struct r8152 *tp = netdev_priv(net);
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int ret;
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ret = usb_autopm_get_interface(tp->intf);
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if (ret < 0)
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goto out;
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ret = tp->rtl_ops.eee_get(tp, edata);
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usb_autopm_put_interface(tp->intf);
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out:
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return ret;
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}
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static int
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rtl_ethtool_set_eee(struct net_device *net, struct ethtool_eee *edata)
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{
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struct r8152 *tp = netdev_priv(net);
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int ret;
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ret = usb_autopm_get_interface(tp->intf);
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if (ret < 0)
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goto out;
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ret = tp->rtl_ops.eee_set(tp, edata);
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usb_autopm_put_interface(tp->intf);
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out:
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return ret;
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}
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static struct ethtool_ops ops = {
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.get_drvinfo = rtl8152_get_drvinfo,
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.get_settings = rtl8152_get_settings,
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@ -3378,6 +3498,8 @@ static struct ethtool_ops ops = {
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.get_strings = rtl8152_get_strings,
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.get_sset_count = rtl8152_get_sset_count,
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.get_ethtool_stats = rtl8152_get_ethtool_stats,
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.get_eee = rtl_ethtool_get_eee,
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.set_eee = rtl_ethtool_set_eee,
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};
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static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
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@ -3519,6 +3641,8 @@ static int rtl_ops_init(struct r8152 *tp, const struct usb_device_id *id)
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ops->up = rtl8152_up;
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ops->down = rtl8152_down;
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ops->unload = rtl8152_unload;
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ops->eee_get = r8152_get_eee;
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ops->eee_set = r8152_set_eee;
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ret = 0;
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break;
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case PRODUCT_ID_RTL8153:
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@ -3528,6 +3652,8 @@ static int rtl_ops_init(struct r8152 *tp, const struct usb_device_id *id)
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ops->up = rtl8153_up;
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ops->down = rtl8153_down;
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ops->unload = rtl8153_unload;
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ops->eee_get = r8153_get_eee;
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ops->eee_set = r8153_set_eee;
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ret = 0;
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break;
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default:
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@ -3544,6 +3670,8 @@ static int rtl_ops_init(struct r8152 *tp, const struct usb_device_id *id)
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ops->up = rtl8153_up;
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ops->down = rtl8153_down;
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ops->unload = rtl8153_unload;
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ops->eee_get = r8153_get_eee;
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ops->eee_set = r8153_set_eee;
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ret = 0;
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break;
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default:
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