hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

atl1c: show correct link speed on Mikrotik 10/25G NIC 

The new Mikrotik 10/25G NIC maintains compatibility with existing atl1c
driver. However it does have new features.

This defines some new register offsets, code for identifying the new type
of NIC and correct speed detection for the NIC.

Signed-off-by: Gatis Peisenieks <gatis@mikrotik.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gatis Peisenieks 2021-05-13 14:43:22 +03:00 committed by David S. Miller
parent 0d59c95ea3
commit f19d4997fd
4 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/atheros/atl1c/atl1c.h
View File

@ -289,6 +289,7 @@ enum atl1c_nic_type {
athr_l2c_b2,
athr_l1d,
athr_l1d_2,
athr_mt,
};
enum atl1c_trans_queue {

9
drivers/net/ethernet/atheros/atl1c/atl1c_hw.c
View File

@ -648,6 +648,15 @@ int atl1c_get_speed_and_duplex(struct atl1c_hw *hw, u16 *speed, u16 *duplex)
int err;
u16 phy_data;
if (hw->nic_type == athr_mt) {
u32 spd;
AT_READ_REG(hw, REG_MT_SPEED, &spd);
*speed = spd;
*duplex = FULL_DUPLEX;
return 0;
}
/* Read PHY Specific Status Register (17) */
err = atl1c_read_phy_reg(hw, MII_GIGA_PSSR, &phy_data);
if (err)

7
drivers/net/ethernet/atheros/atl1c/atl1c_hw.h
View File

@ -764,6 +764,13 @@ void atl1c_post_phy_linkchg(struct atl1c_hw *hw, u16 link_speed);
#define REG_DEBUG_DATA0 0x1900
#define REG_DEBUG_DATA1 0x1904
#define REG_MT_MAGIC 0x1F00
#define REG_MT_MODE 0x1F04
#define REG_MT_SPEED 0x1F08
#define REG_MT_VERSION 0x1F0C
#define MT_MAGIC 0xaabb1234
#define L1D_MPW_PHYID1 0xD01C /* V7 */
#define L1D_MPW_PHYID2 0xD01D /* V1-V6 */
#define L1D_MPW_PHYID3 0xD01E /* V8 */

4
drivers/net/ethernet/atheros/atl1c/atl1c_main.c
View File

@ -644,6 +644,7 @@ static int atl1c_alloc_queues(struct atl1c_adapter *adapter)
static void atl1c_set_mac_type(struct atl1c_hw *hw)
{
u32 magic;
switch (hw->device_id) {
case PCI_DEVICE_ID_ATTANSIC_L2C:
hw->nic_type = athr_l2c;
@ -662,6 +663,9 @@ static void atl1c_set_mac_type(struct atl1c_hw *hw)
break;
case PCI_DEVICE_ID_ATHEROS_L1D_2_0:
hw->nic_type = athr_l1d_2;
AT_READ_REG(hw, REG_MT_MAGIC, &magic);
if (magic == MT_MAGIC)
hw->nic_type = athr_mt;
break;
default:
break;