1089 	unsigned hdrlen, vlen, pktlen, len, left, mss, now, nnow, nleft, pvoff;  in e82545_transmit()  local
1223 	hdrlen = vlen = 0;  in e82545_transmit()
1227 		hdrlen = ETHER_ADDR_LEN*2;  in e82545_transmit()
1233 			hdrlen = MAX(hdrlen, ckinfo[0].ck_off + 2U);  in e82545_transmit()
1235 			hdrlen = MAX(hdrlen, ckinfo[1].ck_off + 2U);  in e82545_transmit()
1237 		if (hdrlen != 0 && iov[0].iov_len > hdrlen &&  in e82545_transmit()
1238 		    iov[0].iov_len < hdrlen + 100)  in e82545_transmit()
1239 			hdrlen = iov[0].iov_len;  in e82545_transmit()
1242 		hdrlen = sc->esc_txctx.tcp_seg_setup.fields.hdr_len;  in e82545_transmit()
1248 		if (hdrlen > 240) {  in e82545_transmit()
1249 			WPRINTF("TSO hdrlen too large: %d", hdrlen);  in e82545_transmit()
1263 		if (vlen != 0 && hdrlen < ETHER_ADDR_LEN*2) {  in e82545_transmit()
1265 			    "(%d vs %d) -- dropped", hdrlen,  in e82545_transmit()
1284 		if (hdrlen < ckinfo[0].ck_start + 6U ||  in e82545_transmit()
1285 		    hdrlen < ckinfo[0].ck_off + 2U) {  in e82545_transmit()
1287 			    "-- dropped", hdrlen);  in e82545_transmit()
1291 			if (hdrlen < ckinfo[1].ck_start + 14U) {  in e82545_transmit()
1293 				    "(%d) -- dropped", hdrlen);  in e82545_transmit()
1297 			if (hdrlen < ckinfo[1].ck_start + 8U) {  in e82545_transmit()
1299 				    "(%d) -- dropped", hdrlen);  in e82545_transmit()
1303 		if (ckinfo[1].ck_valid && hdrlen < ckinfo[1].ck_off + 2U) {  in e82545_transmit()
1305 			    "(%d) -- dropped", hdrlen);  in e82545_transmit()
1310 	if (pktlen < hdrlen + vlen) {  in e82545_transmit()
1316 	if (hdrlen + vlen != 0) {  in e82545_transmit()
1317 		hdr = __builtin_alloca(hdrlen + vlen);  in e82545_transmit()
1319 		for (left = hdrlen, hdrp = hdr; left > 0;  in e82545_transmit()
1333 		iov->iov_len = hdrlen;  in e82545_transmit()
1341 		hdrlen += ETHER_VLAN_ENCAP_LEN;  in e82545_transmit()
1375 	    tcp ? "TCP" : "UDP", hdrlen, paylen, mss, iovcnt);  in e82545_transmit()
1392 		tiov[0].iov_len = hdrlen;  in e82545_transmit()
1407 		    seg, hdrlen, now, tiovcnt);  in e82545_transmit()
1413 			    htons(hdrlen - ckinfo[0].ck_start + now);  in e82545_transmit()
1419 			    htons(hdrlen - ckinfo[0].ck_start - 40 +  in e82545_transmit()
1425 		tcpsum += htons(hdrlen - ckinfo[1].ck_start + now);  in e82545_transmit()
1439 			    hdrlen - ckinfo[1].ck_start + now;  in e82545_transmit()