314 /* the 'way' for ethernet-CRC-32. Spliced in from Linux lib/crc32.c
315  * and this is the ethernet-crc method needed for TSEC -- and perhaps
322 	u32 crc;  in ether_crc()  local
323 	crc = ~0;  in ether_crc()
325 		crc ^= *p++;  in ether_crc()
327 			crc = (crc >> 1) ^ ((crc & 1) ? CRCPOLY_LE : 0);  in ether_crc()
330 	crc = (crc >> 16) | (crc << 16);  in ether_crc()
331 	crc = (crc >> 8 & 0x00ff00ff) | (crc << 8 & 0xff00ff00);  in ether_crc()
332 	crc = (crc >> 4 & 0x0f0f0f0f) | (crc << 4 & 0xf0f0f0f0);  in ether_crc()
333 	crc = (crc >> 2 & 0x33333333) | (crc << 2 & 0xcccccccc);  in ether_crc()
334 	crc = (crc >> 1 & 0x55555555) | (crc << 1 & 0xaaaaaaaa);  in ether_crc()
335 	return crc;  in ether_crc()