#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
-#include "ether.h"
#define RRCP_OPCODE_MASK 0x7F /* 0x00 = hello, 0x01 = get, 0x02 = set */
#define RRCP_ISREPLY 0x80 /* 0 = request to switch, 0x80 = reply from switch */
*/
void
rrcp_print(netdissect_options *ndo,
- register const u_char *cp,
+ const u_char *cp,
u_int length _U_,
const struct lladdr_info *src,
const struct lladdr_info *dst)
uint8_t rrcp_proto;
uint8_t rrcp_opcode;
- ND_TCHECK(*(cp + RRCP_PROTO_OFFSET));
+ ND_TCHECK_1(cp + RRCP_PROTO_OFFSET);
rrcp_proto = EXTRACT_U_1(cp + RRCP_PROTO_OFFSET);
- ND_TCHECK(*(cp + RRCP_OPCODE_ISREPLY_OFFSET));
+ ND_TCHECK_1(cp + RRCP_OPCODE_ISREPLY_OFFSET);
rrcp_opcode = EXTRACT_U_1((cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_OPCODE_MASK;
if (src != NULL && dst != NULL) {
ND_PRINT((ndo, "%s > %s, ",
}
ND_PRINT((ndo, "%s %s",
tok2str(proto_values,"RRCP-0x%02x",rrcp_proto),
- ((*(cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY) ? "reply" : "query"));
+ ((EXTRACT_U_1(cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY) ? "reply" : "query"));
if (rrcp_proto==1){
ND_PRINT((ndo, ": %s",
tok2str(opcode_values,"unknown opcode (0x%02x)",rrcp_opcode)));
}
if (rrcp_opcode==1 || rrcp_opcode==2){
- ND_TCHECK2(*(cp + RRCP_REG_ADDR_OFFSET), 6);
+ ND_TCHECK_6(cp + RRCP_REG_ADDR_OFFSET);
ND_PRINT((ndo, " addr=0x%04x, data=0x%08x",
EXTRACT_LE_U_2(cp + RRCP_REG_ADDR_OFFSET),
EXTRACT_LE_U_4(cp + RRCP_REG_DATA_OFFSET)));
}
if (rrcp_proto==1){
- ND_TCHECK2(*(cp + RRCP_AUTHKEY_OFFSET), 2);
+ ND_TCHECK_2(cp + RRCP_AUTHKEY_OFFSET);
ND_PRINT((ndo, ", auth=0x%04x",
EXTRACT_BE_U_2(cp + RRCP_AUTHKEY_OFFSET)));
}
if (rrcp_proto==1 && rrcp_opcode==0 &&
- ((*(cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY)){
- ND_TCHECK2(*(cp + RRCP_VENDOR_ID_OFFSET), 4);
+ ((EXTRACT_U_1(cp + RRCP_OPCODE_ISREPLY_OFFSET)) & RRCP_ISREPLY)){
+ ND_TCHECK_4(cp + RRCP_VENDOR_ID_OFFSET);
ND_PRINT((ndo, " downlink_port=%d, uplink_port=%d, uplink_mac=%s, vendor_id=%08x ,chip_id=%04x ",
- *(cp + RRCP_DOWNLINK_PORT_OFFSET),
- *(cp + RRCP_UPLINK_PORT_OFFSET),
+ EXTRACT_U_1(cp + RRCP_DOWNLINK_PORT_OFFSET),
+ EXTRACT_U_1(cp + RRCP_UPLINK_PORT_OFFSET),
etheraddr_string(ndo, cp + RRCP_UPLINK_MAC_OFFSET),
EXTRACT_BE_U_4(cp + RRCP_VENDOR_ID_OFFSET),
EXTRACT_BE_U_2(cp + RRCP_CHIP_ID_OFFSET)));
}else if (rrcp_opcode==1 || rrcp_opcode==2 || rrcp_proto==2){
- ND_TCHECK2(*(cp + RRCP_COOKIE2_OFFSET), 4);
+ ND_TCHECK_4(cp + RRCP_COOKIE2_OFFSET);
ND_PRINT((ndo, ", cookie=0x%08x%08x ",
EXTRACT_BE_U_4(cp + RRCP_COOKIE2_OFFSET),
EXTRACT_BE_U_4(cp + RRCP_COOKIE1_OFFSET)));