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path: root/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c96
1 files changed, 60 insertions, 36 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
index a97228c93831..bc6b269be299 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2014-2015 Hisilicon Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/acpi.h>
@@ -70,6 +66,27 @@ static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
}
}
+static u32 hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv)
+{
+#define HNS_MAC_LINK_WAIT_TIME 5
+#define HNS_MAC_LINK_WAIT_CNT 40
+
+ u32 link_status = 0;
+ int i;
+
+ if (!mac_ctrl_drv->get_link_status)
+ return link_status;
+
+ for (i = 0; i < HNS_MAC_LINK_WAIT_CNT; i++) {
+ msleep(HNS_MAC_LINK_WAIT_TIME);
+ mac_ctrl_drv->get_link_status(mac_ctrl_drv, &link_status);
+ if (!link_status)
+ break;
+ }
+
+ return link_status;
+}
+
void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
{
struct mac_driver *mac_ctrl_drv;
@@ -87,6 +104,14 @@ void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
&sfp_prsnt);
if (!ret)
*link_status = *link_status && sfp_prsnt;
+
+ /* for FIBER port, it may have a fake link up.
+ * when the link status changes from down to up, we need to do
+ * anti-shake. the anti-shake time is base on tests.
+ * only FIBER port need to do this.
+ */
+ if (*link_status && !mac_cb->link)
+ *link_status = hns_mac_link_anti_shake(mac_ctrl_drv);
}
mac_cb->link = *link_status;
@@ -115,7 +140,7 @@ int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
}
/**
- *hns_mac_is_adjust_link - check is need change mac speed and duplex register
+ *hns_mac_need_adjust_link - check is need change mac speed and duplex register
*@mac_cb: mac device
*@speed: phy device speed
*@duplex:phy device duplex
@@ -244,7 +269,7 @@ int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
*@addr:mac address
*/
int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
- u32 vmid, char *addr)
+ u32 vmid, const char *addr)
{
int ret;
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
@@ -370,7 +395,7 @@ int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
static void hns_mac_param_get(struct mac_params *param,
struct hns_mac_cb *mac_cb)
{
- param->vaddr = (void *)mac_cb->vaddr;
+ param->vaddr = mac_cb->vaddr;
param->mac_mode = hns_get_enet_interface(mac_cb);
ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
param->mac_id = mac_cb->mac_id;
@@ -378,11 +403,12 @@ static void hns_mac_param_get(struct mac_params *param,
}
/**
- *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
- *@mac_cb: mac device
- *@queue: queue number
- *@en:enable
- *retuen 0 - success , negative --fail
+ * hns_mac_port_config_bc_en - set broadcast rx&tx enable
+ * @mac_cb: mac device
+ * @port_num: queue number
+ * @vlan_id: vlan id`
+ * @enable: enable
+ * return 0 - success , negative --fail
*/
static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
u32 port_num, u16 vlan_id, bool enable)
@@ -412,11 +438,11 @@ static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
}
/**
- *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
- *@mac_cb: mac device
- *@vmid: vm id
- *@en:enable
- *retuen 0 - success , negative --fail
+ * hns_mac_vm_config_bc_en - set broadcast rx&tx enable
+ * @mac_cb: mac device
+ * @vmid: vm id
+ * @enable: enable
+ * return 0 - success , negative --fail
*/
int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
{
@@ -546,8 +572,8 @@ void hns_mac_stop(struct hns_mac_cb *mac_cb)
/**
* hns_mac_get_autoneg - get auto autonegotiation
* @mac_cb: mac control block
- * @enable: enable or not
- * retuen 0 - success , negative --fail
+ * @auto_neg: output pointer to autoneg result
+ * return 0 - success , negative --fail
*/
void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
{
@@ -564,7 +590,7 @@ void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
* @mac_cb: mac control block
* @rx_en: rx enable status
* @tx_en: tx enable status
- * retuen 0 - success , negative --fail
+ * return 0 - success , negative --fail
*/
void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
{
@@ -582,7 +608,7 @@ void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
* hns_mac_set_autoneg - set auto autonegotiation
* @mac_cb: mac control block
* @enable: enable or not
- * retuen 0 - success , negative --fail
+ * return 0 - success , negative --fail
*/
int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
{
@@ -600,7 +626,7 @@ int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
}
/**
- * hns_mac_set_autoneg - set rx & tx pause parameter
+ * hns_mac_set_pauseparam - set rx & tx pause parameter
* @mac_cb: mac control block
* @rx_en: rx enable or not
* @tx_en: tx enable or not
@@ -627,7 +653,7 @@ int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
/**
* hns_mac_init_ex - mac init
* @mac_cb: mac control block
- * retuen 0 - success , negative --fail
+ * return 0 - success , negative --fail
*/
static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
{
@@ -701,14 +727,14 @@ hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
return rc;
if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
- is_c45 = 1;
+ is_c45 = true;
else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
- is_c45 = 0;
+ is_c45 = false;
else
return -ENODATA;
phy = get_phy_device(mdio, addr, is_c45);
- if (!phy || IS_ERR(phy))
+ if (IS_ERR_OR_NULL(phy))
return -EIO;
phy->irq = mdio->irq[addr];
@@ -804,7 +830,6 @@ static const struct {
/**
*hns_mac_get_info - get mac information from device node
*@mac_cb: mac device
- *@np:device node
* return: 0 --success, negative --fail
*/
static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
@@ -908,6 +933,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
mac_cb->cpld_ctrl = NULL;
} else {
syscon = syscon_node_to_regmap(cpld_args.np);
+ of_node_put(cpld_args.np);
if (IS_ERR_OR_NULL(syscon)) {
dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
mac_cb->cpld_ctrl = NULL;
@@ -918,8 +944,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
}
} else if (is_acpi_node(mac_cb->fw_port)) {
ret = hns_mac_register_phy(mac_cb);
- /*
- * Mac can work well if there is phy or not.If the port don't
+ /* Mac can work well if there is phy or not.If the port don't
* connect with phy, the return value will be ignored. Only
* when there is phy but can't find mdio bus, the return value
* will be handled.
@@ -955,7 +980,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
/**
* hns_mac_get_mode - get mac mode
* @phy_if: phy interface
- * retuen 0 - gmac, 1 - xgmac , negative --fail
+ * return 0 - gmac, 1 - xgmac , negative --fail
*/
static int hns_mac_get_mode(phy_interface_t phy_if)
{
@@ -1065,9 +1090,8 @@ int hns_mac_init(struct dsaf_device *dsaf_dev)
u32 port_id;
int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
struct hns_mac_cb *mac_cb;
- struct fwnode_handle *child;
- device_for_each_child_node(dsaf_dev->dev, child) {
+ device_for_each_child_node_scoped(dsaf_dev->dev, child) {
ret = fwnode_property_read_u32(child, "reg", &port_id);
if (ret) {
dev_err(dsaf_dev->dev,
@@ -1083,6 +1107,7 @@ int hns_mac_init(struct dsaf_device *dsaf_dev)
GFP_KERNEL);
if (!mac_cb)
return -ENOMEM;
+
mac_cb->fw_port = child;
mac_cb->mac_id = (u8)port_id;
dsaf_dev->mac_cb[port_id] = mac_cb;
@@ -1165,8 +1190,7 @@ void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
}
-void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
- int stringset, u8 *data)
+void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset, u8 **data)
{
struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
@@ -1206,7 +1230,7 @@ void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
void hns_set_led_opt(struct hns_mac_cb *mac_cb)
{
- int nic_data = 0;
+ int nic_data;
int txpkts, rxpkts;
txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
generated by cgit (git 2.34.1) at 2025-12-28 17:27:22 +0000