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bnxt_en: Add ETH_RESET_AP support

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Add ETH_RESET_AP support handling to reset the internal
Application Processor(s) of the SmartNIC card.

Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Scott Branden 2017-11-30 11:36:00 -08:00 committed by David S. Miller
parent 40e44a1e66
commit 6502ad5963
2 changed files with 12 additions and 0 deletions
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11
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
View File

@ -1376,6 +1376,9 @@ static int bnxt_firmware_reset(struct net_device *dev,
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
break;
case BNXT_FW_RESET_AP:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
break;
default:
return -EINVAL;
}
@ -2522,6 +2525,14 @@ static int bnxt_reset(struct net_device *dev, u32 *flags)
rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
if (!rc)
netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
} else if (*flags == ETH_RESET_AP) {
/* This feature is not supported in older firmware versions */
if (bp->hwrm_spec_code < 0x10803)
return -EOPNOTSUPP;
rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
if (!rc)
netdev_info(dev, "Reset Application Processor request successful.\n");
} else {
rc = -EINVAL;
}

1
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
View File

@ -34,6 +34,7 @@ struct bnxt_led_cfg {
#define BNXT_LED_DFLT_ENABLES(x) \
cpu_to_le32(BNXT_LED_DFLT_ENA << (BNXT_LED_DFLT_ENA_SHIFT * (x)))
#define BNXT_FW_RESET_AP 0xfffe
#define BNXT_FW_RESET_CHIP 0xffff
extern const struct ethtool_ops bnxt_ethtool_ops;