intel/ixgbe/ixgbe_x540.c

306  *  ixgbe_calc_eeprom_checksum_X540 - Calculates and returns the checksum
317 	u16 checksum = 0;
330 	/* Include 0x0-0x3F in the checksum */
336 		checksum += word;
372 			checksum += word;
376 	checksum = (u16)IXGBE_EEPROM_SUM - checksum;
378 	return (int)checksum;
382  *  ixgbe_validate_eeprom_checksum_X540 - Validate EEPROM checksum
384  *  @checksum_val: calculated checksum
386  *  Performs checksum calculation and validates the EEPROM checksum.  If the
393 	u16 checksum;
400 	status = hw->eeprom.ops.read(hw, 0, &checksum);
413 	checksum = (u16)(status & 0xffff);
423 	/* Verify read checksum from EEPROM is the same as
424 	 * calculated checksum
426 	if (read_checksum != checksum) {
427 		hw_dbg(hw, "Invalid EEPROM checksum");
431 	/* If the user cares, return the calculated checksum */
433 		*checksum_val = checksum;
442  * ixgbe_update_eeprom_checksum_X540 - Updates the EEPROM checksum and flash
446  * checksum and updates the EEPROM and instructs the hardware to update
451 	u16 checksum;
458 	status = hw->eeprom.ops.read(hw, 0, &checksum);
471 	checksum = (u16)(status & 0xffff);
476 	status = ixgbe_write_eewr_generic(hw, IXGBE_EEPROM_CHECKSUM, checksum);