65 	sum = q_util.s[0] + q_util.s[1] + q_util.s[2] + q_util.s[3];	  \
70 	l_util.l = q_util.s[0] + q_util.s[1] + q_util.s[2] + q_util.s[3]; \
71 	sum = l_util.s[0] + l_util.s[1];				  \
77 	/*0 bytes*/ /*1 byte*/	/*2 bytes*/ /*3 bytes*/
78 	0x00000000, 0x000000FF, 0x0000FFFF, 0x00FFFFFF,	/* offset 0 */
79 	0x00000000, 0x0000FF00, 0x00FFFF00, 0xFFFFFF00,	/* offset 1 */
80 	0x00000000, 0x00FF0000, 0xFFFF0000, 0xFFFF0000,	/* offset 2 */
81 	0x00000000, 0xFF000000, 0xFF000000, 0xFF000000,	/* offset 3 */
83 	/*0 bytes*/ /*1 byte*/	/*2 bytes*/ /*3 bytes*/
84 	0x00000000, 0xFF000000, 0xFFFF0000, 0xFFFFFF00,	/* offset 0 */
85 	0x00000000, 0x00FF0000, 0x00FFFF00, 0x00FFFFFF,	/* offset 1 */
86 	0x00000000, 0x0000FF00, 0x0000FFFF, 0x0000FFFF,	/* offset 2 */
87 	0x00000000, 0x000000FF, 0x000000FF, 0x000000FF,	/* offset 3 */
105 	u_int64_t sum = 0;  in in_cksumdata()
110 	if ((3 & (long) lw) == 0 && len == 20) {  in in_cksumdata()
111 		sum = (u_int64_t) lw[0] + lw[1] + lw[2] + lw[3] + lw[4];  in in_cksumdata()
116 	if ((offset = 3 & (long) lw) != 0) {  in in_cksumdata()
121 		if (len <= 0) {  in in_cksumdata()
126 #if 0  in in_cksumdata()
130 	offset = 32 - (0x1f & (long) lw);  in in_cksumdata()
134 			sum += (u_int64_t) lw[0];  in in_cksumdata()
138 			sum += (u_int64_t) lw[0] + lw[1];  in in_cksumdata()
142 			sum += (u_int64_t) lw[0] + lw[1] + lw[2] + lw[3];  in in_cksumdata()
152 	prefilled = lw[0];  in in_cksumdata()
160 	if (len >= 0) {  in in_cksumdata()
167 	while ((len -= 16) >= 0) {  in in_cksumdata()
168 		sum += (u_int64_t) lw[0] + lw[1] + lw[2] + lw[3];  in in_cksumdata()
172 	while ((len -= 4) >= 0) {  in in_cksumdata()
176 	if (len > 0)  in in_cksumdata()
219 	return (0);  in in_cksum_skip_partial()
236 	a.csum = 0;  in in_cksum_skip()
237 	a.clen = 0;  in in_cksum_skip()
241 	return (~sum & 0xffff);  in in_cksum_skip()
250 	return (~sum & 0xffff);  in in_cksum_hdr()