From: Rob Swindell <swind...@broadcom.com>
Provide details about the NVM device and the firmware version, etc, via
the Ethtool GEEPROM command.
Signed-off-by: Rob Swindell <rob.swind...@broadcom.com>
Signed-off-by: Michael Chan <michael.c...@broadcom.com>
---
drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 60 +++++++++++++++++++++--
1 file changed, 55 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 3d5c64f..3b4db00 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -1311,8 +1311,18 @@ static int bnxt_get_eeprom(struct net_device *dev,
struct ethtool_eeprom *eeprom,
u8 *data)
{
+ int i;
+ int rc;
u32 index;
u32 offset;
+ u32 size;
+ struct bnxt *bp = netdev_priv(dev);
+ struct hwrm_fw_qstatus_input fw_status_req = {0};
+ struct hwrm_fw_qstatus_output *fw_status_resp = bp->hwrm_cmd_resp_addr;
+ struct hwrm_nvm_get_dev_info_input dev_info_req = {0};
+
+ if (eeprom->len < 1)
+ return -EINVAL;
if (eeprom->offset == 0) /* special offset value to get directory */
return bnxt_get_nvram_directory(dev, eeprom->len, data);
@@ -1320,12 +1330,52 @@ static int bnxt_get_eeprom(struct net_device *dev,
index = eeprom->offset >> 24;
offset = eeprom->offset & 0xffffff;
- if (index == 0) {
- netdev_err(dev, "unsupported index value: %d\n", index);
- return -EINVAL;
- }
+ if (index != 0)
+ return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len,
+ data);
- return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
+ switch (offset) {
+ case 1: /* Query firmware reset status */
+ if (eeprom->len < 5)
+ return -EINVAL;
+ size = 4; /* procs: BOOT, MGMT, NETCTRL, and ROCE */
+ *(data++) = size;
+ mutex_lock(&bp->hwrm_cmd_lock);
+ for (i = 0; i < size; i++) {
+ bnxt_hwrm_cmd_hdr_init(bp, &fw_status_req,
+ HWRM_FW_QSTATUS, -1, -1);
+ fw_status_req.embedded_proc_type = i;
+ rc = _hwrm_send_message(bp, &fw_status_req,
+ sizeof(fw_status_req),
+ HWRM_CMD_TIMEOUT);
+ if (rc == 0)
+ *(data++) = fw_status_resp->selfrst_status;
+ else
+ break;
+ }
+ mutex_unlock(&bp->hwrm_cmd_lock);
+ return rc;
+ case 2: /* Query firmware version information */
+ size = sizeof(bp->ver_resp);
+ *(data++) = size;
+ memcpy(data, &bp->ver_resp, min(size, eeprom->len - 1));
+ return 0;
+ case 3: /* Query NVM device information */
+ bnxt_hwrm_cmd_hdr_init(bp, &dev_info_req,
+ HWRM_NVM_GET_DEV_INFO, -1, -1);
+ mutex_lock(&bp->hwrm_cmd_lock);
+ rc = _hwrm_send_message(bp, &dev_info_req, sizeof(dev_info_req),
+ HWRM_CMD_TIMEOUT);
+ if (rc == 0) {
+ size = sizeof(struct hwrm_nvm_get_dev_info_output);
+ *(data++) = size;
+ memcpy(data, bp->hwrm_cmd_resp_addr,
+ min(size, eeprom->len - 1));
+ }
+ mutex_unlock(&bp->hwrm_cmd_lock);
+ return rc;
+ }
+ return -EINVAL;
}
static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
--
1.8.3.1
