bnxt_en: add more error checks to HWRM_NVM_INSTALL_UPDATE

FW returns error code "NVM_INSTALL_UPDATE_CMD_ERR_CODE_ANTI_ROLLBACK" in the response to indicate that HWRM_NVM_INSTALL_UPDATE command has failed due to Anti-rollback feature. Parse the error and return an appropriate error code to the user. Reviewed-by: Somnath Kotur <[email protected]> Reviewed-by: Edwin Peer <[email protected]> Signed-off-by: Kalesh AP <[email protected]> Signed-off-by: Michael Chan <[email protected]> Signed-off-by: David S. Miller <[email protected]>
josf · Mar 5, 2022 · 54ff1e3 · 54ff1e3
1 parent 8e42aef
commit 54ff1e3
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -2609,6 +2609,10 @@ int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware
 		cmd_err = ((struct hwrm_err_output *)resp)->cmd_err;
 
 		switch (cmd_err) {
+		case NVM_INSTALL_UPDATE_CMD_ERR_CODE_ANTI_ROLLBACK:
+			netdev_err(dev, "HWRM_NVM_INSTALL_UPDATE failure Anti-rollback detected\n");
+			rc = -EALREADY;
+			break;
 		case NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR:
 			install->flags =
 				cpu_to_le16(NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);