Add ETH_RESET_AP support handling to reset the internal
Application Processor(s) of the SmartNIC card.
Signed-off-by: Scott Branden
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 11 +++
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h | 1 +
2 files changed, 12 insertions(+)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 7ce1d4b..fc2c483 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -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;
}
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
index ff601b4..836ef68 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.h
@@ -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 0x
extern const struct ethtool_ops bnxt_ethtool_ops;
--
2.5.0
