diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c | 260 |
1 files changed, 167 insertions, 93 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index a38084a22bf2..611581fccf2a 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -7,18 +7,19 @@ * (at your option) any later version. */ -#include <linux/module.h> -#include <linux/kernel.h> #include <linux/init.h> -#include <linux/netdevice.h> -#include <linux/phy_fixed.h> #include <linux/interrupt.h> -#include <linux/platform_device.h> +#include <linux/kernel.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/netdevice.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/phy_fixed.h> +#include <linux/platform_device.h> -#include "hns_dsaf_misc.h" #include "hns_dsaf_main.h" +#include "hns_dsaf_misc.h" #include "hns_dsaf_rcb.h" #define MAC_EN_FLAG_V 0xada0328 @@ -81,17 +82,6 @@ static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb) } } -int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt) -{ - if (!mac_cb->cpld_vaddr) - return -ENODEV; - - *sfp_prsnt = !dsaf_read_b((u8 *)mac_cb->cpld_vaddr - + MAC_SFP_PORT_OFFSET); - - return 0; -} - void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) { struct mac_driver *mac_ctrl_drv; @@ -168,10 +158,9 @@ static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num) { u8 tmp_port; - u32 comm_idx; if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) { - if (mac_cb->mac_id != DSAF_MAX_PORT_NUM_PER_CHIP) { + if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) { dev_err(mac_cb->dev, "input invalid,%s mac%d vmid%d !\n", mac_cb->dsaf_dev->ae_dev.name, @@ -179,7 +168,7 @@ static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, return -EINVAL; } } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) { - if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM_PER_CHIP) { + if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) { dev_err(mac_cb->dev, "input invalid,%s mac%d vmid%d!\n", mac_cb->dsaf_dev->ae_dev.name, @@ -192,9 +181,7 @@ static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, return -EINVAL; } - comm_idx = hns_dsaf_get_comm_idx_by_port(mac_cb->mac_id); - - if (vmid >= mac_cb->dsaf_dev->rcb_common[comm_idx]->max_vfn) { + if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) { dev_err(mac_cb->dev, "input invalid,%s mac%d vmid%d !\n", mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid); return -EINVAL; @@ -234,7 +221,7 @@ static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, } /** - *hns_mac_get_inner_port_num - change vf mac address + *hns_mac_change_vf_addr - change vf mac address *@mac_cb: mac device *@vmid: vmid *@addr:mac address @@ -249,7 +236,7 @@ int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb, struct mac_entry_idx *old_entry; old_entry = &mac_cb->addr_entry_idx[vmid]; - if (dsaf_dev) { + if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); mac_entry.in_vlan_id = old_entry->vlan_id; mac_entry.in_port_num = mac_cb->mac_id; @@ -289,7 +276,7 @@ int hns_mac_set_multi(struct hns_mac_cb *mac_cb, struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; struct dsaf_drv_mac_single_dest_entry mac_entry; - if (dsaf_dev && addr) { + if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) { memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); mac_entry.in_vlan_id = 0;/*vlan_id;*/ mac_entry.in_port_num = mac_cb->mac_id; @@ -380,7 +367,7 @@ static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb, if (mac_cb->mac_type == HNAE_PORT_DEBUG) return 0; - if (dsaf_dev) { + if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); mac_entry.in_vlan_id = vlan_id; mac_entry.in_port_num = mac_cb->mac_id; @@ -418,7 +405,7 @@ int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable) uc_mac_entry = &mac_cb->addr_entry_idx[vmid]; - if (dsaf_dev) { + if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) { memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); mac_entry.in_vlan_id = uc_mac_entry->vlan_id; mac_entry.in_port_num = mac_cb->mac_id; @@ -439,9 +426,8 @@ int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable) void hns_mac_reset(struct hns_mac_cb *mac_cb) { - struct mac_driver *drv; - - drv = hns_mac_get_drv(mac_cb); + struct mac_driver *drv = hns_mac_get_drv(mac_cb); + bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver); drv->mac_init(drv); @@ -456,7 +442,7 @@ void hns_mac_reset(struct hns_mac_cb *mac_cb) if (drv->mac_pausefrm_cfg) { if (mac_cb->mac_type == HNAE_PORT_DEBUG) - drv->mac_pausefrm_cfg(drv, 0, 0); + drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1); else /* mac rx must disable, dsaf pfc close instead of it*/ drv->mac_pausefrm_cfg(drv, 0, 1); } @@ -561,14 +547,6 @@ void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en) *rx_en = 0; *tx_en = 0; } - - /* Due to the chip defect, the service mac's rx pause CAN'T be enabled. - * We set the rx pause frm always be true (1), because DSAF deals with - * the rx pause frm instead of service mac. After all, we still support - * rx pause frm. - */ - if (mac_cb->mac_type == HNAE_PORT_SERVICE) - *rx_en = 1; } /** @@ -602,20 +580,13 @@ int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable) int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en) { struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); + bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver); - if (mac_cb->mac_type == HNAE_PORT_SERVICE) { - if (!rx_en) { - dev_err(mac_cb->dev, "disable rx_pause is not allowed!"); + if (mac_cb->mac_type == HNAE_PORT_DEBUG) { + if (is_ver1 && (tx_en || rx_en)) { + dev_err(mac_cb->dev, "macv1 cann't enable tx/rx_pause!"); return -EINVAL; } - } else if (mac_cb->mac_type == HNAE_PORT_DEBUG) { - if (tx_en || rx_en) { - dev_err(mac_cb->dev, "enable tx_pause or enable rx_pause are not allowed!"); - return -EINVAL; - } - } else { - dev_err(mac_cb->dev, "Unsupport this operation!"); - return -EINVAL; } if (mac_ctrl_drv->mac_pausefrm_cfg) @@ -667,14 +638,18 @@ free_mac_drv: } /** - *mac_free_dev - get mac information from device node + *hns_mac_get_info - get mac information from device node *@mac_cb: mac device *@np:device node - *@mac_mode_idx:mac mode index + * return: 0 --success, negative --fail */ -static void hns_mac_get_info(struct hns_mac_cb *mac_cb, - struct device_node *np, u32 mac_mode_idx) +static int hns_mac_get_info(struct hns_mac_cb *mac_cb) { + struct device_node *np = mac_cb->dev->of_node; + struct regmap *syscon; + struct of_phandle_args cpld_args; + u32 ret; + mac_cb->link = false; mac_cb->half_duplex = false; mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if]; @@ -690,12 +665,73 @@ static void hns_mac_get_info(struct hns_mac_cb *mac_cb, mac_cb->max_frm = MAC_DEFAULT_MTU; mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME; + mac_cb->port_rst_off = mac_cb->mac_id; + mac_cb->port_mode_off = 0; - /* Get the rest of the PHY information */ - mac_cb->phy_node = of_parse_phandle(np, "phy-handle", mac_cb->mac_id); + /* if the dsaf node doesn't contain a port subnode, get phy-handle + * from dsaf node + */ + if (!mac_cb->fw_port) { + mac_cb->phy_node = of_parse_phandle(np, "phy-handle", + mac_cb->mac_id); + if (mac_cb->phy_node) + dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n", + mac_cb->mac_id, mac_cb->phy_node->name); + return 0; + } + if (!is_of_node(mac_cb->fw_port)) + return -EINVAL; + /* parse property from port subnode in dsaf */ + mac_cb->phy_node = of_parse_phandle(to_of_node(mac_cb->fw_port), + "phy-handle", 0); if (mac_cb->phy_node) dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n", mac_cb->mac_id, mac_cb->phy_node->name); + syscon = syscon_node_to_regmap( + of_parse_phandle(to_of_node(mac_cb->fw_port), + "serdes-syscon", 0)); + if (IS_ERR_OR_NULL(syscon)) { + dev_err(mac_cb->dev, "serdes-syscon is needed!\n"); + return -EINVAL; + } + mac_cb->serdes_ctrl = syscon; + + ret = fwnode_property_read_u32(mac_cb->fw_port, + "port-rst-offset", + &mac_cb->port_rst_off); + if (ret) { + dev_dbg(mac_cb->dev, + "mac%d port-rst-offset not found, use default value.\n", + mac_cb->mac_id); + } + + ret = fwnode_property_read_u32(mac_cb->fw_port, + "port-mode-offset", + &mac_cb->port_mode_off); + if (ret) { + dev_dbg(mac_cb->dev, + "mac%d port-mode-offset not found, use default value.\n", + mac_cb->mac_id); + } + + ret = of_parse_phandle_with_fixed_args(to_of_node(mac_cb->fw_port), + "cpld-syscon", 1, 0, &cpld_args); + if (ret) { + dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n", + mac_cb->mac_id); + mac_cb->cpld_ctrl = NULL; + } else { + syscon = syscon_node_to_regmap(cpld_args.np); + if (IS_ERR_OR_NULL(syscon)) { + dev_dbg(mac_cb->dev, "no cpld-syscon found!\n"); + mac_cb->cpld_ctrl = NULL; + } else { + mac_cb->cpld_ctrl = syscon; + mac_cb->cpld_ctrl_reg = cpld_args.args[0]; + } + } + + return 0; } /** @@ -725,40 +761,31 @@ u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev, return base + 0x40000 + mac_id * 0x4000 - mac_mode_idx * 0x20000; else - return mac_cb->serdes_vaddr + 0x1000 - + (mac_id - DSAF_SERVICE_PORT_NUM_PER_DSAF) * 0x100000; + return dsaf_dev->ppe_base + 0x1000; } /** * hns_mac_get_cfg - get mac cfg from dtb or acpi table * @dsaf_dev: dsa fabric device struct pointer - * @mac_idx: mac index - * retuen 0 - success , negative --fail + * @mac_cb: mac control block + * return 0 - success , negative --fail */ -int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, int mac_idx) +int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb) { int ret; u32 mac_mode_idx; - struct hns_mac_cb *mac_cb = &dsaf_dev->mac_cb[mac_idx]; mac_cb->dsaf_dev = dsaf_dev; mac_cb->dev = dsaf_dev->dev; - mac_cb->mac_id = mac_idx; mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base; mac_cb->serdes_vaddr = dsaf_dev->sds_base; - if (dsaf_dev->cpld_base && - mac_idx < DSAF_SERVICE_PORT_NUM_PER_DSAF) { - mac_cb->cpld_vaddr = dsaf_dev->cpld_base + - mac_cb->mac_id * CPLD_ADDR_PORT_OFFSET; - cpld_led_reset(mac_cb); - } mac_cb->sfp_prsnt = 0; mac_cb->txpkt_for_led = 0; mac_cb->rxpkt_for_led = 0; - if (mac_idx < DSAF_SERVICE_PORT_NUM_PER_DSAF) + if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) mac_cb->mac_type = HNAE_PORT_SERVICE; else mac_cb->mac_type = HNAE_PORT_DEBUG; @@ -774,53 +801,100 @@ int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, int mac_idx) } mac_mode_idx = (u32)ret; - hns_mac_get_info(mac_cb, mac_cb->dev->of_node, mac_mode_idx); + ret = hns_mac_get_info(mac_cb); + if (ret) + return ret; + cpld_led_reset(mac_cb); mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx); return 0; } +static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev) +{ + if (HNS_DSAF_IS_DEBUG(dsaf_dev)) + return 1; + else + return DSAF_MAX_PORT_NUM; +} + /** * hns_mac_init - init mac * @dsaf_dev: dsa fabric device struct pointer - * retuen 0 - success , negative --fail + * return 0 - success , negative --fail */ int hns_mac_init(struct dsaf_device *dsaf_dev) { - int i; + bool found = false; int ret; - size_t size; + 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; - size = sizeof(struct hns_mac_cb) * DSAF_MAX_PORT_NUM_PER_CHIP; - dsaf_dev->mac_cb = devm_kzalloc(dsaf_dev->dev, size, GFP_KERNEL); - if (!dsaf_dev->mac_cb) - return -ENOMEM; + device_for_each_child_node(dsaf_dev->dev, child) { + ret = fwnode_property_read_u32(child, "reg", &port_id); + if (ret) { + dev_err(dsaf_dev->dev, + "get reg fail, ret=%d!\n", ret); + return ret; + } + if (port_id >= max_port_num) { + dev_err(dsaf_dev->dev, + "reg(%u) out of range!\n", port_id); + return -EINVAL; + } + mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb), + 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; + found = true; + } - for (i = 0; i < DSAF_MAX_PORT_NUM_PER_CHIP; i++) { - ret = hns_mac_get_cfg(dsaf_dev, i); - if (ret) - goto free_mac_cb; + /* if don't get any port subnode from dsaf node + * will init all port then, this is compatible with the old dts + */ + if (!found) { + for (port_id = 0; port_id < max_port_num; port_id++) { + mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb), + GFP_KERNEL); + if (!mac_cb) + return -ENOMEM; + + mac_cb->mac_id = port_id; + dsaf_dev->mac_cb[port_id] = mac_cb; + } + } + /* init mac_cb for all port */ + for (port_id = 0; port_id < max_port_num; port_id++) { + mac_cb = dsaf_dev->mac_cb[port_id]; + if (!mac_cb) + continue; - mac_cb = &dsaf_dev->mac_cb[i]; + ret = hns_mac_get_cfg(dsaf_dev, mac_cb); + if (ret) + return ret; ret = hns_mac_init_ex(mac_cb); if (ret) - goto free_mac_cb; + return ret; } return 0; - -free_mac_cb: - dsaf_dev->mac_cb = NULL; - - return ret; } void hns_mac_uninit(struct dsaf_device *dsaf_dev) { - cpld_led_reset(dsaf_dev->mac_cb); - dsaf_dev->mac_cb = NULL; + int i; + int max_port_num = hns_mac_get_max_port_num(dsaf_dev); + + for (i = 0; i < max_port_num; i++) { + cpld_led_reset(dsaf_dev->mac_cb[i]); + dsaf_dev->mac_cb[i] = NULL; + } } int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb, @@ -908,7 +982,7 @@ void hns_set_led_opt(struct hns_mac_cb *mac_cb) int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb, enum hnae_led_state status) { - if (!mac_cb || !mac_cb->cpld_vaddr) + if (!mac_cb || !mac_cb->cpld_ctrl) return 0; return cpld_set_led_id(mac_cb, status); |