42     unsigned int sum);
81 ip_cksum(mblk_t *mp, int offset, uint_t sum)  in ip_cksum()  argument
135 				sum = ip_ocsum(w, mlen >> 1, sum);  in ip_cksum()
166 			sum += psum;  in ip_cksum()
178 		return (ip_ocsum(w, mlen >> 1, sum));  in ip_cksum()
243 					sum += ((psum << 8) & 0xffff)  in ip_cksum()
248 					sum += psum;  in ip_cksum()
288 			sum += *(uchar_t *)w << 8;  in ip_cksum()
290 			sum += *(uchar_t *)w;  in ip_cksum()
298 				sum = ip_ocsum(w, mlen>>1, sum);  in ip_cksum()
309 					sum += *(uchar_t *)w;  in ip_cksum()
311 					sum += *(uchar_t *)w << 8;  in ip_cksum()
318 				sum += *(uchar_t *)w;  in ip_cksum()
320 				sum += *(uchar_t *)w << 8;  in ip_cksum()
327 				sum += ((swsum << 8) & 0xffff) | (swsum >> 8);  in ip_cksum()
339 					sum += *(uchar_t *)w << 8;  in ip_cksum()
341 					sum += *(uchar_t *)w;  in ip_cksum()
377 	sum = (sum & 0xFFFF) + (sum >> 16);  in ip_cksum()
378 	sum = (sum & 0xFFFF) + (sum >> 16);  in ip_cksum()
380 	    "ip_cksum_end:(%S) type %d (%X)", "ip_cksum", 1, sum);  in ip_cksum()
381 	return (sum);  in ip_cksum()
424 ip_md_cksum(pdesc_t *pd, int offset, uint_t sum)  in ip_md_cksum()  argument
459 			sum += *(uchar_t *)w << 8;  in ip_md_cksum()
461 			sum += *(uchar_t *)w;  in ip_md_cksum()
472 			sum = ip_ocsum(w, mlen >> 1, sum);  in ip_md_cksum()
483 				sum += *(uchar_t *)w;  in ip_md_cksum()
485 				sum += *(uchar_t *)w << 8;  in ip_md_cksum()
492 			sum += *(uchar_t *)w;  in ip_md_cksum()
494 			sum += *(uchar_t *)w << 8;  in ip_md_cksum()
501 			sum += ((swsum << 8) & 0xffff) | (swsum >> 8);  in ip_md_cksum()
513 				sum += *(uchar_t *)w << 8;  in ip_md_cksum()
515 				sum += *(uchar_t *)w;  in ip_md_cksum()
527 	sum = (sum & 0xffff) + (sum >> 16);  in ip_md_cksum()
528 	sum = (sum & 0xffff) + (sum >> 16);  in ip_md_cksum()
530 	return (sum);  in ip_md_cksum()
538 	uint32_t	sum;  in ip_csum_hdr()  local
544 	sum = uph[0] + uph[1] + uph[2] + uph[3] + uph[4] +  in ip_csum_hdr()
548 			sum += uph[10];  in ip_csum_hdr()
549 			sum += uph[11];  in ip_csum_hdr()
553 	sum = (sum & 0xFFFF) + (sum >> 16);  in ip_csum_hdr()
554 	sum = ~(sum + (sum >> 16)) & 0xFFFF;  in ip_csum_hdr()
555 	if (sum == 0xffff)  in ip_csum_hdr()
556 		sum = 0;  in ip_csum_hdr()
557 	return ((uint16_t)sum);  in ip_csum_hdr()