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net/atlantic: read MAC registers for debug purposes

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This patch add support for dumping MAC registers.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Pavel Belous <pavel.belous@aquantia.com>
This commit is contained in:
Pavel Belous 2018-10-12 11:09:53 +00:00 committed by Ferruh Yigit
parent ce4e8d4180
commit ce44e50a58
2 changed files with 33 additions and 0 deletions
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1
doc/guides/nics/features/atlantic.ini
View File

@ -30,6 +30,7 @@ Extended stats = Y
Stats per queue = Y
FW version = Y
EEPROM dump = Y
Registers dump = Y
Linux UIO = Y
ARMv8 = Y
x86-32 = Y

32
drivers/net/atlantic/atl_ethdev.c
View File

@ -69,6 +69,10 @@ static int atl_dev_get_eeprom(struct rte_eth_dev *dev,
static int atl_dev_set_eeprom(struct rte_eth_dev *dev,
struct rte_dev_eeprom_info *eeprom);
/* Regs */
static int atl_dev_get_regs(struct rte_eth_dev *dev,
struct rte_dev_reg_info *regs);
/* Flow control */
static int atl_flow_ctrl_get(struct rte_eth_dev *dev,
struct rte_eth_fc_conf *fc_conf);
@ -229,6 +233,8 @@ static const struct eth_dev_ops atl_eth_dev_ops = {
/* Link */
.link_update = atl_dev_link_update,
.get_reg = atl_dev_get_regs,
/* Stats */
.stats_get = atl_dev_stats_get,
.xstats_get = atl_dev_xstats_get,
@ -1124,6 +1130,32 @@ atl_dev_set_eeprom(struct rte_eth_dev *dev, struct rte_dev_eeprom_info *eeprom)
return hw->aq_fw_ops->set_eeprom(hw, eeprom->data, eeprom->length);
}
static int
atl_dev_get_regs(struct rte_eth_dev *dev, struct rte_dev_reg_info *regs)
{
struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
u32 mif_id;
int err;
if (regs->data == NULL) {
regs->length = hw_atl_utils_hw_get_reg_length();
regs->width = sizeof(u32);
return 0;
}
/* Only full register dump is supported */
if (regs->length && regs->length != hw_atl_utils_hw_get_reg_length())
return -ENOTSUP;
err = hw_atl_utils_hw_get_regs(hw, regs->data);
/* Device version */
mif_id = hw_atl_reg_glb_mif_id_get(hw);
regs->version = mif_id & 0xFFU;
return err;
}
static int
atl_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
{