cam/ctl/ctl_frontend_iscsi.c

700 	size_t copy_len, len, off, buffer_offset;
738 		buffer_offset = ntohl(bhsdo->bhsdo_buffer_offset);
740 		buffer_offset = 0;
747 	if (buffer_offset >
749 	    buffer_offset + len <=
752 		    "expected %zd; dropping connection", buffer_offset,
762 	 * to buffer_offset, which is the offset within the task (SCSI
766 	    buffer_offset;
2323 	size_t len, expected_len, sg_len, buffer_offset;
2357 	buffer_offset = io->scsiio.kern_rel_offset;
2373 	if (buffer_offset >= expected_len) {
2375 		CFISCSI_SESSION_DEBUG(cs, "buffer_offset = %zd, "
2376 		    "already sent the expected len", buffer_offset);
2404 			bhsdi->bhsdi_buffer_offset = htonl(buffer_offset);
2433 		KASSERT(buffer_offset + response->ip_data_len < expected_len,
2434 		    ("buffer_offset %zd + ip_data_len %zd >= expected_len %zd",
2435 		    buffer_offset, response->ip_data_len, expected_len));
2436 		if (buffer_offset + response->ip_data_len + len > expected_len) {
2439 			    buffer_offset + response->ip_data_len + len, expected_len);
2440 			len = expected_len - (buffer_offset + response->ip_data_len);
2458 		KASSERT(buffer_offset + response->ip_data_len <= expected_len,
2459 		    ("buffer_offset %zd + ip_data_len %zd > expected_len %zd",
2460 		    buffer_offset, response->ip_data_len, expected_len));
2461 		if (buffer_offset + response->ip_data_len == expected_len) {
2491 			buffer_offset += response->ip_data_len;
2492 			if (buffer_offset == io->scsiio.kern_total_len ||
2493 			    buffer_offset == expected_len) {
2494 				buffer_offset -= response->ip_data_len;
2503 		buffer_offset += response->ip_data_len;
2504 		if (buffer_offset == io->scsiio.kern_total_len ||
2505 		    buffer_offset == expected_len) {