diff options
| -rw-r--r-- | drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c | 33 | ||||
| -rw-r--r-- | drivers/net/ethernet/wangxun/txgbe/txgbe_aml.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c | 30 | ||||
| -rw-r--r-- | drivers/net/ethernet/wangxun/txgbe/txgbe_type.h | 11 |
4 files changed, 77 insertions, 0 deletions
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c index 3b6ea456fbf7..62d7f47d4f8d 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.c @@ -73,6 +73,39 @@ int txgbe_test_hostif(struct wx *wx) WX_HI_COMMAND_TIMEOUT, true); } +int txgbe_read_eeprom_hostif(struct wx *wx, + struct txgbe_hic_i2c_read *buffer, + u32 length, u8 *data) +{ + u32 dword_len, offset, value, i; + int err; + + buffer->hdr.cmd = FW_READ_EEPROM_CMD; + buffer->hdr.buf_len = sizeof(struct txgbe_hic_i2c_read) - + sizeof(struct wx_hic_hdr); + buffer->hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED; + + err = wx_host_interface_command(wx, (u32 *)buffer, + sizeof(struct txgbe_hic_i2c_read), + WX_HI_COMMAND_TIMEOUT, false); + if (err != 0) + return err; + + /* buffer length offset to read return data */ + offset = sizeof(struct txgbe_hic_i2c_read) >> 2; + dword_len = round_up(length, 4) >> 2; + + for (i = 0; i < dword_len; i++) { + value = rd32a(wx, WX_FW2SW_MBOX, i + offset); + le32_to_cpus(&value); + + memcpy(data, &value, 4); + data += 4; + } + + return 0; +} + static int txgbe_identify_module_hostif(struct wx *wx, struct txgbe_hic_get_module_info *buffer) { diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.h index 7c8fa48e68d3..4f6df0ee860b 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.h +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_aml.h @@ -7,6 +7,9 @@ void txgbe_gpio_init_aml(struct wx *wx); irqreturn_t txgbe_gpio_irq_handler_aml(int irq, void *data); int txgbe_test_hostif(struct wx *wx); +int txgbe_read_eeprom_hostif(struct wx *wx, + struct txgbe_hic_i2c_read *buffer, + u32 length, u8 *data); int txgbe_set_phy_link(struct wx *wx); int txgbe_identify_module(struct wx *wx); void txgbe_setup_link(struct wx *wx); diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c index f553ec5f8238..f3cb00109529 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_ethtool.c @@ -10,6 +10,7 @@ #include "../libwx/wx_lib.h" #include "txgbe_type.h" #include "txgbe_fdir.h" +#include "txgbe_aml.h" #include "txgbe_ethtool.h" int txgbe_get_link_ksettings(struct net_device *netdev, @@ -534,6 +535,34 @@ static int txgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) return ret; } +static int +txgbe_get_module_eeprom_by_page(struct net_device *netdev, + const struct ethtool_module_eeprom *page_data, + struct netlink_ext_ack *extack) +{ + struct wx *wx = netdev_priv(netdev); + struct txgbe_hic_i2c_read buffer; + int err; + + if (!test_bit(WX_FLAG_SWFW_RING, wx->flags)) + return -EOPNOTSUPP; + + buffer.length = cpu_to_be32(page_data->length); + buffer.offset = cpu_to_be32(page_data->offset); + buffer.page = page_data->page; + buffer.bank = page_data->bank; + buffer.i2c_address = page_data->i2c_address; + + err = txgbe_read_eeprom_hostif(wx, &buffer, page_data->length, + page_data->data); + if (err) { + wx_err(wx, "Failed to read module EEPROM\n"); + return err; + } + + return page_data->length; +} + static const struct ethtool_ops txgbe_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ | @@ -568,6 +597,7 @@ static const struct ethtool_ops txgbe_ethtool_ops = { .set_msglevel = wx_set_msglevel, .get_ts_info = wx_get_ts_info, .get_ts_stats = wx_get_ptp_stats, + .get_module_eeprom_by_page = txgbe_get_module_eeprom_by_page, }; void txgbe_set_ethtool_ops(struct net_device *netdev) diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h index e72edb9ef084..82433e9cb0e3 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_type.h @@ -353,6 +353,7 @@ void txgbe_do_reset(struct net_device *netdev); #define FW_PHY_GET_LINK_CMD 0xC0 #define FW_PHY_SET_LINK_CMD 0xC1 #define FW_GET_MODULE_INFO_CMD 0xC5 +#define FW_READ_EEPROM_CMD 0xC6 struct txgbe_sff_id { u8 identifier; /* A0H 0x00 */ @@ -394,6 +395,16 @@ struct txgbe_hic_ephy_getlink { u8 resv[6]; }; +struct txgbe_hic_i2c_read { + struct wx_hic_hdr hdr; + __be32 offset; + __be32 length; + u8 page; + u8 bank; + u8 i2c_address; + u8 resv; +}; + #define NODE_PROP(_NAME, _PROP) \ (const struct software_node) { \ .name = _NAME, \ |