#define OFPT_BARRIER_REPLY 0x13
#define OFPT_QUEUE_GET_CONFIG_REQUEST 0x14
#define OFPT_QUEUE_GET_CONFIG_REPLY 0x15
-static const struct tok ofpt_str[] = {
- { OFPT_HELLO, "HELLO" },
- { OFPT_ERROR, "ERROR" },
- { OFPT_ECHO_REQUEST, "ECHO_REQUEST" },
- { OFPT_ECHO_REPLY, "ECHO_REPLY" },
- { OFPT_VENDOR, "VENDOR" },
- { OFPT_FEATURES_REQUEST, "FEATURES_REQUEST" },
- { OFPT_FEATURES_REPLY, "FEATURES_REPLY" },
- { OFPT_GET_CONFIG_REQUEST, "GET_CONFIG_REQUEST" },
- { OFPT_GET_CONFIG_REPLY, "GET_CONFIG_REPLY" },
- { OFPT_SET_CONFIG, "SET_CONFIG" },
- { OFPT_PACKET_IN, "PACKET_IN" },
- { OFPT_FLOW_REMOVED, "FLOW_REMOVED" },
- { OFPT_PORT_STATUS, "PORT_STATUS" },
- { OFPT_PACKET_OUT, "PACKET_OUT" },
- { OFPT_FLOW_MOD, "FLOW_MOD" },
- { OFPT_PORT_MOD, "PORT_MOD" },
- { OFPT_STATS_REQUEST, "STATS_REQUEST" },
- { OFPT_STATS_REPLY, "STATS_REPLY" },
- { OFPT_BARRIER_REQUEST, "BARRIER_REQUEST" },
- { OFPT_BARRIER_REPLY, "BARRIER_REPLY" },
- { OFPT_QUEUE_GET_CONFIG_REQUEST, "QUEUE_GET_CONFIG_REQUEST" },
- { OFPT_QUEUE_GET_CONFIG_REPLY, "QUEUE_GET_CONFIG_REPLY" },
- { 0, NULL }
-};
+#define OFPT_MAX OFPT_QUEUE_GET_CONFIG_REPLY
#define OFPPC_PORT_DOWN (1U <<0)
#define OFPPC_NO_STP (1U <<1)
{ 0, NULL },
};
-/* [OF10] Section 5.1 */
-const char * of10_msgtype_str(const uint8_t type)
-{
- return tok2str(ofpt_str, "invalid (0x%02x)", type);
-}
-
static const char *
vlan_str(const uint16_t vid)
{
OF_FWD(4);
/* data */
ND_PRINT(", data '");
- nd_printn(ndo, cp, len, NULL);
+ (void)nd_printn(ndo, cp, len, NULL);
ND_PRINT("'");
break;
case BSN_SHELL_OUTPUT:
/* already checked that len >= 4 */
/* data */
ND_PRINT(", data '");
- nd_printn(ndo, cp, len, NULL);
+ (void)nd_printn(ndo, cp, len, NULL);
ND_PRINT("'");
break;
case BSN_SHELL_STATUS:
/* [OF10] Section 5.3.2 */
static void
of10_switch_config_msg_print(netdissect_options *ndo,
- const u_char *cp)
+ const u_char *cp, u_int len _U_)
{
/* flags */
ND_PRINT("\n\t flags %s",
/* ibid */
static void
of10_port_mod_print(netdissect_options *ndo,
- const u_char *cp)
+ const u_char *cp, u_int len _U_)
{
/* port_no */
ND_PRINT("\n\t port_no %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
/* [OF10] Section 5.3.4 */
static void
of10_queue_get_config_request_print(netdissect_options *ndo,
- const u_char *cp)
+ const u_char *cp, u_int len _U_)
{
/* port */
ND_PRINT("\n\t port %s", tok2str(ofpp_str, "%u", GET_BE_U_2(cp)));
/* [OF10] Section 5.4.2 */
static void
of10_flow_removed_print(netdissect_options *ndo,
- const u_char *cp)
+ const u_char *cp, u_int len _U_)
{
/* match */
of10_match_print(ndo, "\n\t ", cp);
/* [OF10] Section 5.4.3 */
static void
of10_port_status_print(netdissect_options *ndo,
- const u_char *cp)
+ const u_char *cp, u_int len _U_)
{
/* reason */
ND_PRINT("\n\t reason %s",
of_data_print(ndo, cp, len);
}
-void
-of10_message_print(netdissect_options *ndo,
- const u_char *cp, uint16_t len, const uint8_t type)
-{
+static const struct of_msgtypeinfo of10_msgtypeinfo[OFPT_MAX + 1] = {
/*
- * Here "cp" and "len" stand for the message part beyond the common
- * OpenFlow 1.0 header, if any.
- *
- * Most message types are longer than just the header, and the length
- * constraints may be complex. When possible, validate the constraint
- * completely here, otherwise check that the message is long enough to
- * begin the decoding and let the lower-layer function do any remaining
- * validation.
+ * [OF10] Section 5.5.1
+ * Variable-size data.
*/
- switch (type) {
- /* OpenFlow header only. */
- case OFPT_FEATURES_REQUEST: /* [OF10] Section 5.3.1 */
- case OFPT_GET_CONFIG_REQUEST: /* [OF10] Section 5.3.2 */
- case OFPT_BARRIER_REQUEST: /* [OF10] Section 5.3.7 */
- case OFPT_BARRIER_REPLY: /* ibid */
- if (len)
- goto invalid;
- return;
-
- /* OpenFlow header and fixed-size message body. */
- case OFPT_SET_CONFIG: /* [OF10] Section 5.3.2 */
- case OFPT_GET_CONFIG_REPLY: /* ibid */
- if (len != OF_SWITCH_CONFIG_FIXLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_switch_config_msg_print(ndo, cp);
- return;
- case OFPT_PORT_MOD:
- if (len != OF_PORT_MOD_FIXLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_port_mod_print(ndo, cp);
- return;
- case OFPT_QUEUE_GET_CONFIG_REQUEST: /* [OF10] Section 5.3.4 */
- if (len != OF_QUEUE_GET_CONFIG_REQUEST_FIXLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_queue_get_config_request_print(ndo, cp);
- return;
- case OFPT_FLOW_REMOVED:
- if (len != OF_FLOW_REMOVED_FIXLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_flow_removed_print(ndo, cp);
- return;
- case OFPT_PORT_STATUS: /* [OF10] Section 5.4.3 */
- if (len != OF_PORT_STATUS_FIXLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_port_status_print(ndo, cp);
- return;
-
- /* OpenFlow header, fixed-size message body and n * fixed-size data units. */
- case OFPT_FEATURES_REPLY:
- if (len < OF_FEATURES_REPLY_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_features_reply_print(ndo, cp, len);
- return;
-
- /* OpenFlow header and variable-size data. */
- case OFPT_HELLO: /* [OF10] Section 5.5.1 */
- case OFPT_ECHO_REQUEST: /* [OF10] Section 5.5.2 */
- case OFPT_ECHO_REPLY: /* [OF10] Section 5.5.3 */
- if (ndo->ndo_vflag < 1)
- break;
- of_data_print(ndo, cp, len);
- return;
-
- /* OpenFlow header, fixed-size message body and variable-size data. */
- case OFPT_ERROR:
- if (len < OF_ERROR_MSG_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_error_print(ndo, cp, len);
- return;
- case OFPT_VENDOR:
- /* [OF10] Section 5.5.4 */
- if (len < OF_VENDOR_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_vendor_message_print(ndo, cp, len);
- return;
- case OFPT_PACKET_IN:
- /* 2 mock octets count in OF_PACKET_IN_MINLEN but not in len */
- if (len < OF_PACKET_IN_MINLEN - 2)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_packet_in_print(ndo, cp, len);
- return;
-
- /* a. OpenFlow header. */
- /* b. OpenFlow header and one of the fixed-size message bodies. */
- /* c. OpenFlow header, fixed-size message body and variable-size data. */
- case OFPT_STATS_REQUEST:
- if (len < OF_STATS_REQUEST_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_stats_request_print(ndo, cp, len);
- return;
-
- /* a. OpenFlow header and fixed-size message body. */
- /* b. OpenFlow header and n * fixed-size data units. */
- /* c. OpenFlow header and n * variable-size data units. */
- /* d. OpenFlow header, fixed-size message body and variable-size data. */
- case OFPT_STATS_REPLY:
- if (len < OF_STATS_REPLY_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_stats_reply_print(ndo, cp, len);
- return;
-
- /* OpenFlow header and n * variable-size data units and variable-size data. */
- case OFPT_PACKET_OUT:
- if (len < OF_PACKET_OUT_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_packet_out_print(ndo, cp, len);
- return;
-
- /* OpenFlow header, fixed-size message body and n * variable-size data units. */
- case OFPT_FLOW_MOD:
- if (len < OF_FLOW_MOD_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_flow_mod_print(ndo, cp, len);
- return;
-
- /* OpenFlow header, fixed-size message body and n * variable-size data units. */
- case OFPT_QUEUE_GET_CONFIG_REPLY: /* [OF10] Section 5.3.4 */
- if (len < OF_QUEUE_GET_CONFIG_REPLY_MINLEN)
- goto invalid;
- if (ndo->ndo_vflag < 1)
- break;
- of10_queue_get_config_reply_print(ndo, cp, len);
- return;
- } /* switch (type) */
+ {
+ "HELLO", of_data_print,
+ REQ_MINLEN, 0
+ },
/*
- * Not a recognised type or did not print the details, fall back to
- * a bounds check.
+ * [OF10] Section 5.4.4
+ * A fixed-size message body and variable-size data.
*/
- ND_TCHECK_LEN(cp, len);
- return;
+ {
+ "ERROR", of10_error_print,
+ REQ_MINLEN, OF_ERROR_MSG_MINLEN
+ },
+ /*
+ * [OF10] Section 5.5.2
+ * Variable-size data.
+ */
+ {
+ "ECHO_REQUEST", of_data_print,
+ REQ_MINLEN, 0
+ },
+ /*
+ * [OF10] Section 5.5.3
+ * Variable-size data.
+ */
+ {
+ "ECHO_REPLY", of_data_print,
+ REQ_MINLEN, 0
+ },
+ /*
+ * [OF10] Section 5.5.4
+ * A fixed-size message body and variable-size data.
+ */
+ {
+ "VENDOR", of10_vendor_message_print,
+ REQ_MINLEN, OF_VENDOR_MINLEN
+ },
+ /*
+ * [OF10] Section 5.3.1
+ * No message body.
+ */
+ {
+ "FEATURES_REQUEST", NULL,
+ REQ_FIXLEN, 0
+ },
+ /*
+ * [OF10] Section 5.3.1
+ * A fixed-size message body and n * fixed-size data units.
+ */
+ {
+ "FEATURES_REPLY", of10_features_reply_print,
+ REQ_MINLEN, OF_FEATURES_REPLY_MINLEN
+ },
+ /*
+ * [OF10] Section 5.3.2
+ * No message body.
+ */
+ {
+ "GET_CONFIG_REQUEST", NULL,
+ REQ_FIXLEN, 0
+ },
+ /*
+ * [OF10] Section 5.3.2
+ * A fixed-size message body.
+ */
+ {
+ "GET_CONFIG_REPLY", of10_switch_config_msg_print,
+ REQ_FIXLEN, OF_SWITCH_CONFIG_FIXLEN
+ },
+ /*
+ * [OF10] Section 5.3.2
+ * A fixed-size message body.
+ */
+ {
+ "SET_CONFIG", of10_switch_config_msg_print,
+ REQ_FIXLEN, OF_SWITCH_CONFIG_FIXLEN
+ },
+ /*
+ * [OF10] Section 5.4.1
+ * A fixed-size message body and variable-size data.
+ * (The 2 mock octets count in OF_PACKET_IN_MINLEN only.)
+ */
+ {
+ "PACKET_IN", of10_packet_in_print,
+ REQ_MINLEN, OF_PACKET_IN_MINLEN - 2
+ },
+ /*
+ * [OF10] Section 5.4.2
+ * A fixed-size message body.
+ */
+ {
+ "FLOW_REMOVED", of10_flow_removed_print,
+ REQ_FIXLEN, OF_FLOW_REMOVED_FIXLEN
+ },
+ /*
+ * [OF10] Section 5.4.3
+ * A fixed-size message body.
+ */
+ {
+ "PORT_STATUS", of10_port_status_print,
+ REQ_FIXLEN, OF_PORT_STATUS_FIXLEN
+ },
+ /*
+ * [OF10] Section 5.3.6
+ * A fixed-size message body, n * variable-size data units and
+ * variable-size data.
+ */
+ {
+ "PACKET_OUT", of10_packet_out_print,
+ REQ_MINLEN, OF_PACKET_OUT_MINLEN
+ },
+ /*
+ * [OF10] Section 5.3.3
+ * A fixed-size message body and n * variable-size data units.
+ */
+ {
+ "FLOW_MOD", of10_flow_mod_print,
+ REQ_MINLEN, OF_FLOW_MOD_MINLEN
+ },
+ /*
+ * [OF10] Section 5.3.3
+ * A fixed-size message body.
+ */
+ {
+ "PORT_MOD", of10_port_mod_print,
+ REQ_FIXLEN, OF_PORT_MOD_FIXLEN
+ },
+ /*
+ * [OF10] Section 5.3.5
+ * A fixed-size message body and possibly more data of varying size
+ * and structure.
+ */
+ {
+ "STATS_REQUEST", of10_stats_request_print,
+ REQ_MINLEN, OF_STATS_REQUEST_MINLEN
+ },
+ /*
+ * [OF10] Section 5.3.5
+ * A fixed-size message body and possibly more data of varying size
+ * and structure.
+ */
+ {
+ "STATS_REPLY", of10_stats_reply_print,
+ REQ_MINLEN, OF_STATS_REPLY_MINLEN
+ },
+ /*
+ * [OF10] Section 5.3.7
+ * No message body.
+ */
+ {
+ "BARRIER_REQUEST", NULL,
+ REQ_FIXLEN, 0
+ },
+ /*
+ * [OF10] Section 5.3.7
+ * No message body.
+ */
+ {
+ "BARRIER_REPLY", NULL,
+ REQ_FIXLEN, 0
+ },
+ /*
+ * [OF10] Section 5.3.4
+ * A fixed-size message body.
+ */
+ {
+ "QUEUE_GET_CONFIG_REQUEST", of10_queue_get_config_request_print,
+ REQ_FIXLEN, OF_QUEUE_GET_CONFIG_REQUEST_FIXLEN
+ },
+ /*
+ * [OF10] Section 5.3.4
+ * A fixed-size message body and n * variable-size data units.
+ */
+ {
+ "QUEUE_GET_CONFIG_REPLY", of10_queue_get_config_reply_print,
+ REQ_MINLEN, OF_QUEUE_GET_CONFIG_REPLY_MINLEN
+ },
+};
-invalid: /* skip the message body */
- nd_print_invalid(ndo);
- ND_TCHECK_LEN(cp, len);
+const struct of_msgtypeinfo *
+of10_identify_msgtype(const uint8_t type)
+{
+ return type <= OFPT_MAX ? &of10_msgtypeinfo[type] : NULL;
}
projects / tcpdump / blobdiff