diff options
Diffstat (limited to 'contrib/tcpdump/print-sflow.c')
-rw-r--r-- | contrib/tcpdump/print-sflow.c | 805 |
1 files changed, 581 insertions, 224 deletions
diff --git a/contrib/tcpdump/print-sflow.c b/contrib/tcpdump/print-sflow.c index baa5530..79a3fdf 100644 --- a/contrib/tcpdump/print-sflow.c +++ b/contrib/tcpdump/print-sflow.c @@ -15,6 +15,8 @@ * The SFLOW protocol as per http://www.sflow.org/developers/specifications.php * * Original code by Carles Kishimoto <carles.kishimoto@gmail.com> + * + * Expansion and refactoring by Rick Jones <rick.jones2@hp.com> */ #ifndef lint @@ -87,6 +89,18 @@ static const struct tok sflow_format_values[] = { { 0, NULL} }; +struct sflow_flow_sample_t { + u_int8_t seqnum[4]; + u_int8_t typesource[4]; + u_int8_t rate[4]; + u_int8_t pool[4]; + u_int8_t drops[4]; + u_int8_t in_interface[4]; + u_int8_t out_interface[4]; + u_int8_t records[4]; + +}; + struct sflow_expanded_flow_sample_t { u_int8_t seqnum[4]; u_int8_t type[4]; @@ -156,6 +170,36 @@ struct sflow_expanded_flow_raw_t { u_int8_t header_size[4]; }; +struct sflow_ethernet_frame_t { + u_int8_t length[4]; + u_int8_t src_mac[8]; + u_int8_t dst_mac[8]; + u_int8_t type[4]; +}; + +struct sflow_extended_switch_data_t { + u_int8_t src_vlan[4]; + u_int8_t src_pri[4]; + u_int8_t dst_vlan[4]; + u_int8_t dst_pri[4]; +}; + +struct sflow_counter_record_t { + u_int8_t format[4]; + u_int8_t length[4]; +}; + +struct sflow_flow_record_t { + u_int8_t format[4]; + u_int8_t length[4]; +}; + +struct sflow_counter_sample_t { + u_int8_t seqnum[4]; + u_int8_t typesource[4]; + u_int8_t records[4]; +}; + struct sflow_expanded_counter_sample_t { u_int8_t seqnum[4]; u_int8_t type[4]; @@ -259,24 +303,525 @@ struct sflow_vlan_counter_t { u_int8_t discards[4]; }; -void -sflow_print(const u_char *pptr, u_int len) { +static int +print_sflow_counter_generic(const u_char *pointer, u_int len) { - const struct sflow_datagram_t *sflow_datagram; - const struct sflow_sample_header *sflow_sample; - const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample; - const struct sflow_expanded_flow_raw_t *sflow_flow_raw; - const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample; const struct sflow_generic_counter_t *sflow_gen_counter; + + if (len < sizeof(struct sflow_generic_counter_t)) + return 1; + + + sflow_gen_counter = (const struct sflow_generic_counter_t *)pointer; + printf("\n\t ifindex %u, iftype %u, ifspeed %" PRIu64 ", ifdirection %u (%s)", + EXTRACT_32BITS(sflow_gen_counter->ifindex), + EXTRACT_32BITS(sflow_gen_counter->iftype), + EXTRACT_64BITS(sflow_gen_counter->ifspeed), + EXTRACT_32BITS(sflow_gen_counter->ifdirection), + tok2str(sflow_iface_direction_values, "Unknown", + EXTRACT_32BITS(sflow_gen_counter->ifdirection))); + printf("\n\t ifstatus %u, adminstatus: %s, operstatus: %s", + EXTRACT_32BITS(sflow_gen_counter->ifstatus), + EXTRACT_32BITS(sflow_gen_counter->ifstatus)&1 ? "up" : "down", + (EXTRACT_32BITS(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down"); + printf("\n\t In octets %" PRIu64 + ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u", + EXTRACT_64BITS(sflow_gen_counter->ifinoctets), + EXTRACT_32BITS(sflow_gen_counter->ifinunicastpkts), + EXTRACT_32BITS(sflow_gen_counter->ifinmulticastpkts), + EXTRACT_32BITS(sflow_gen_counter->ifinbroadcastpkts), + EXTRACT_32BITS(sflow_gen_counter->ifindiscards)); + printf("\n\t In errors %u, unknown protos %u", + EXTRACT_32BITS(sflow_gen_counter->ifinerrors), + EXTRACT_32BITS(sflow_gen_counter->ifinunkownprotos)); + printf("\n\t Out octets %" PRIu64 + ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u", + EXTRACT_64BITS(sflow_gen_counter->ifoutoctets), + EXTRACT_32BITS(sflow_gen_counter->ifoutunicastpkts), + EXTRACT_32BITS(sflow_gen_counter->ifoutmulticastpkts), + EXTRACT_32BITS(sflow_gen_counter->ifoutbroadcastpkts), + EXTRACT_32BITS(sflow_gen_counter->ifoutdiscards)); + printf("\n\t Out errors %u, promisc mode %u", + EXTRACT_32BITS(sflow_gen_counter->ifouterrors), + EXTRACT_32BITS(sflow_gen_counter->ifpromiscmode)); + + return 0; +} + +static int +print_sflow_counter_ethernet(const u_char *pointer, u_int len){ + const struct sflow_ethernet_counter_t *sflow_eth_counter; + + if (len < sizeof(struct sflow_ethernet_counter_t)) + return 1; + + sflow_eth_counter = (const struct sflow_ethernet_counter_t *)pointer; + printf("\n\t align errors %u, fcs errors %u, single collision %u, multiple collision %u, test error %u", + EXTRACT_32BITS(sflow_eth_counter->alignerrors), + EXTRACT_32BITS(sflow_eth_counter->fcserrors), + EXTRACT_32BITS(sflow_eth_counter->single_collision_frames), + EXTRACT_32BITS(sflow_eth_counter->multiple_collision_frames), + EXTRACT_32BITS(sflow_eth_counter->test_errors)); + printf("\n\t deferred %u, late collision %u, excessive collision %u, mac trans error %u", + EXTRACT_32BITS(sflow_eth_counter->deferred_transmissions), + EXTRACT_32BITS(sflow_eth_counter->late_collisions), + EXTRACT_32BITS(sflow_eth_counter->excessive_collisions), + EXTRACT_32BITS(sflow_eth_counter->mac_transmit_errors)); + printf("\n\t carrier error %u, frames too long %u, mac receive errors %u, symbol errors %u", + EXTRACT_32BITS(sflow_eth_counter->carrier_sense_errors), + EXTRACT_32BITS(sflow_eth_counter->frame_too_longs), + EXTRACT_32BITS(sflow_eth_counter->mac_receive_errors), + EXTRACT_32BITS(sflow_eth_counter->symbol_errors)); + + return 0; +} + +static int +print_sflow_counter_token_ring(const u_char *pointer _U_, u_int len _U_) { + + return 0; +} + +static int +print_sflow_counter_basevg(const u_char *pointer, u_int len) { + const struct sflow_100basevg_counter_t *sflow_100basevg_counter; + + if (len < sizeof(struct sflow_100basevg_counter_t)) + return 1; + + sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)pointer; + printf("\n\t in high prio frames %u, in high prio octets %" PRIu64, + EXTRACT_32BITS(sflow_100basevg_counter->in_highpriority_frames), + EXTRACT_64BITS(sflow_100basevg_counter->in_highpriority_octets)); + printf("\n\t in norm prio frames %u, in norm prio octets %" PRIu64, + EXTRACT_32BITS(sflow_100basevg_counter->in_normpriority_frames), + EXTRACT_64BITS(sflow_100basevg_counter->in_normpriority_octets)); + printf("\n\t in ipm errors %u, oversized %u, in data errors %u, null addressed frames %u", + EXTRACT_32BITS(sflow_100basevg_counter->in_ipmerrors), + EXTRACT_32BITS(sflow_100basevg_counter->in_oversized), + EXTRACT_32BITS(sflow_100basevg_counter->in_data_errors), + EXTRACT_32BITS(sflow_100basevg_counter->in_null_addressed_frames)); + printf("\n\t out high prio frames %u, out high prio octets %" PRIu64 + ", trans into frames %u", + EXTRACT_32BITS(sflow_100basevg_counter->out_highpriority_frames), + EXTRACT_64BITS(sflow_100basevg_counter->out_highpriority_octets), + EXTRACT_32BITS(sflow_100basevg_counter->transitioninto_frames)); + printf("\n\t in hc high prio octets %" PRIu64 + ", in hc norm prio octets %" PRIu64 + ", out hc high prio octets %" PRIu64, + EXTRACT_64BITS(sflow_100basevg_counter->hc_in_highpriority_octets), + EXTRACT_64BITS(sflow_100basevg_counter->hc_in_normpriority_octets), + EXTRACT_64BITS(sflow_100basevg_counter->hc_out_highpriority_octets)); + + return 0; +} + +static int +print_sflow_counter_vlan(const u_char *pointer, u_int len) { + const struct sflow_vlan_counter_t *sflow_vlan_counter; + + if (len < sizeof(struct sflow_vlan_counter_t)) + return 1; + + sflow_vlan_counter = (const struct sflow_vlan_counter_t *)pointer; + printf("\n\t vlan_id %u, octets %" PRIu64 + ", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u", + EXTRACT_32BITS(sflow_vlan_counter->vlan_id), + EXTRACT_64BITS(sflow_vlan_counter->octets), + EXTRACT_32BITS(sflow_vlan_counter->unicast_pkt), + EXTRACT_32BITS(sflow_vlan_counter->multicast_pkt), + EXTRACT_32BITS(sflow_vlan_counter->broadcast_pkt), + EXTRACT_32BITS(sflow_vlan_counter->discards)); + + return 0; +} + +struct sflow_processor_counter_t { + u_int8_t five_sec_util[4]; + u_int8_t one_min_util[4]; + u_int8_t five_min_util[4]; + u_int8_t total_memory[8]; + u_int8_t free_memory[8]; +}; + +static int +print_sflow_counter_processor(const u_char *pointer, u_int len) { + + const struct sflow_processor_counter_t *sflow_processor_counter; + + if (len < sizeof(struct sflow_processor_counter_t)) + return 1; + + sflow_processor_counter = (const struct sflow_processor_counter_t *)pointer; + printf("\n\t 5sec %u, 1min %u, 5min %u, total_mem %" PRIu64 + ", total_mem %" PRIu64, + EXTRACT_32BITS(sflow_processor_counter->five_sec_util), + EXTRACT_32BITS(sflow_processor_counter->one_min_util), + EXTRACT_32BITS(sflow_processor_counter->five_min_util), + EXTRACT_64BITS(sflow_processor_counter->total_memory), + EXTRACT_64BITS(sflow_processor_counter->free_memory)); + + return 0; +} + +static int +sflow_print_counter_records(const u_char *pointer, u_int len, u_int records) { + + u_int nrecords; const u_char *tptr; - int tlen; + u_int tlen; + u_int counter_type; + u_int counter_len; + u_int enterprise; + const struct sflow_counter_record_t *sflow_counter_record; + + nrecords = records; + tptr = pointer; + tlen = len; + + while (nrecords > 0) { + /* do we have the "header?" */ + if (tlen < sizeof(struct sflow_counter_record_t)) + return 1; + sflow_counter_record = (const struct sflow_counter_record_t *)tptr; + + enterprise = EXTRACT_32BITS(sflow_counter_record->format); + counter_type = enterprise & 0x0FFF; + enterprise = enterprise >> 20; + counter_len = EXTRACT_32BITS(sflow_counter_record->length); + printf("\n\t enterprise %u, %s (%u) length %u", + enterprise, + (enterprise == 0) ? tok2str(sflow_counter_type_values,"Unknown",counter_type) : "Unknown", + counter_type, + counter_len); + + tptr += sizeof(struct sflow_counter_record_t); + tlen -= sizeof(struct sflow_counter_record_t); + + if (tlen < counter_len) + return 1; + if (enterprise == 0) { + switch (counter_type) { + case SFLOW_COUNTER_GENERIC: + if (print_sflow_counter_generic(tptr,tlen)) + return 1; + break; + case SFLOW_COUNTER_ETHERNET: + if (print_sflow_counter_ethernet(tptr,tlen)) + return 1; + break; + case SFLOW_COUNTER_TOKEN_RING: + if (print_sflow_counter_token_ring(tptr,tlen)) + return 1; + break; + case SFLOW_COUNTER_BASEVG: + if (print_sflow_counter_basevg(tptr,tlen)) + return 1; + break; + case SFLOW_COUNTER_VLAN: + if (print_sflow_counter_vlan(tptr,tlen)) + return 1; + break; + case SFLOW_COUNTER_PROCESSOR: + if (print_sflow_counter_processor(tptr,tlen)) + return 1; + break; + default: + if (vflag <= 1) + print_unknown_data(tptr, "\n\t\t", counter_len); + break; + } + } + tptr += counter_len; + tlen -= counter_len; + nrecords--; + + } + + return 0; +} + + +static int +sflow_print_counter_sample(const u_char *pointer, u_int len) { + + const struct sflow_counter_sample_t *sflow_counter_sample; + u_int nrecords; + u_int typesource; + u_int type; + u_int index; + + + if (len < sizeof(struct sflow_counter_sample_t)) + return 1; + + sflow_counter_sample = (const struct sflow_counter_sample_t *)pointer; + + typesource = EXTRACT_32BITS(sflow_counter_sample->typesource); + nrecords = EXTRACT_32BITS(sflow_counter_sample->records); + type = typesource >> 24; + index = typesource & 0x0FFF; + + printf(" seqnum %u, type %u, idx %u, records %u", + EXTRACT_32BITS(sflow_counter_sample->seqnum), + type, + index, + nrecords); + + return sflow_print_counter_records(pointer + sizeof(struct sflow_counter_sample_t), + len - sizeof(struct sflow_counter_sample_t), + nrecords); + +} + +static int +sflow_print_expanded_counter_sample(const u_char *pointer, u_int len) { + + const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample; + u_int nrecords; + + + if (len < sizeof(struct sflow_expanded_counter_sample_t)) + return 1; + + sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)pointer; + + nrecords = EXTRACT_32BITS(sflow_expanded_counter_sample->records); + + printf(" seqnum %u, type %u, idx %u, records %u", + EXTRACT_32BITS(sflow_expanded_counter_sample->seqnum), + EXTRACT_32BITS(sflow_expanded_counter_sample->type), + EXTRACT_32BITS(sflow_expanded_counter_sample->index), + nrecords); + + return sflow_print_counter_records(pointer + sizeof(struct sflow_expanded_counter_sample_t), + len - sizeof(struct sflow_expanded_counter_sample_t), + nrecords); + +} + +static int +print_sflow_raw_packet(const u_char *pointer, u_int len) { + + const struct sflow_expanded_flow_raw_t *sflow_flow_raw; + + if (len < sizeof(struct sflow_expanded_flow_raw_t)) + return 1; + + sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)pointer; + printf("\n\t protocol %s (%u), length %u, stripped bytes %u, header_size %u", + tok2str(sflow_flow_raw_protocol_values,"Unknown",EXTRACT_32BITS(sflow_flow_raw->protocol)), + EXTRACT_32BITS(sflow_flow_raw->protocol), + EXTRACT_32BITS(sflow_flow_raw->length), + EXTRACT_32BITS(sflow_flow_raw->stripped_bytes), + EXTRACT_32BITS(sflow_flow_raw->header_size)); + + /* QUESTION - should we attempt to print the raw header itself? + assuming of course there is wnough data present to do so... */ + + return 0; +} + +static int +print_sflow_ethernet_frame(const u_char *pointer, u_int len) { + + const struct sflow_ethernet_frame_t *sflow_ethernet_frame; + + if (len < sizeof(struct sflow_ethernet_frame_t)) + return 1; + + sflow_ethernet_frame = (const struct sflow_ethernet_frame_t *)pointer; + + printf("\n\t frame len %u, type %u", + EXTRACT_32BITS(sflow_ethernet_frame->length), + EXTRACT_32BITS(sflow_ethernet_frame->type)); + + return 0; +} + +static int +print_sflow_extended_switch_data(const u_char *pointer, u_int len) { + + const struct sflow_extended_switch_data_t *sflow_extended_sw_data; + + if (len < sizeof(struct sflow_extended_switch_data_t)) + return 1; + + sflow_extended_sw_data = (const struct sflow_extended_switch_data_t *)pointer; + printf("\n\t src vlan %u, src pri %u, dst vlan %u, dst pri %u", + EXTRACT_32BITS(sflow_extended_sw_data->src_vlan), + EXTRACT_32BITS(sflow_extended_sw_data->src_pri), + EXTRACT_32BITS(sflow_extended_sw_data->dst_vlan), + EXTRACT_32BITS(sflow_extended_sw_data->dst_pri)); + + return 0; +} + +static int +sflow_print_flow_records(const u_char *pointer, u_int len, u_int records) { + + u_int nrecords; + const u_char *tptr; + u_int tlen; + u_int flow_type; + u_int enterprise; + u_int flow_len; + const struct sflow_flow_record_t *sflow_flow_record; + + nrecords = records; + tptr = pointer; + tlen = len; + + while (nrecords > 0) { + /* do we have the "header?" */ + if (tlen < sizeof(struct sflow_flow_record_t)) + return 1; + + sflow_flow_record = (const struct sflow_flow_record_t *)tptr; + + /* so, the funky encoding means we cannot blythly mask-off + bits, we must also check the enterprise. */ + + enterprise = EXTRACT_32BITS(sflow_flow_record->format); + flow_type = enterprise & 0x0FFF; + enterprise = enterprise >> 12; + flow_len = EXTRACT_32BITS(sflow_flow_record->length); + printf("\n\t enterprise %u %s (%u) length %u", + enterprise, + (enterprise == 0) ? tok2str(sflow_flow_type_values,"Unknown",flow_type) : "Unknown", + flow_type, + flow_len); + + tptr += sizeof(struct sflow_flow_record_t); + tlen -= sizeof(struct sflow_flow_record_t); + + if (tlen < flow_len) + return 1; + + if (enterprise == 0) { + switch (flow_type) { + case SFLOW_FLOW_RAW_PACKET: + if (print_sflow_raw_packet(tptr,tlen)) + return 1; + break; + case SFLOW_FLOW_EXTENDED_SWITCH_DATA: + if (print_sflow_extended_switch_data(tptr,tlen)) + return 1; + break; + case SFLOW_FLOW_ETHERNET_FRAME: + if (print_sflow_ethernet_frame(tptr,tlen)) + return 1; + break; + /* FIXME these need a decoder */ + case SFLOW_FLOW_IPV4_DATA: + case SFLOW_FLOW_IPV6_DATA: + case SFLOW_FLOW_EXTENDED_ROUTER_DATA: + case SFLOW_FLOW_EXTENDED_GATEWAY_DATA: + case SFLOW_FLOW_EXTENDED_USER_DATA: + case SFLOW_FLOW_EXTENDED_URL_DATA: + case SFLOW_FLOW_EXTENDED_MPLS_DATA: + case SFLOW_FLOW_EXTENDED_NAT_DATA: + case SFLOW_FLOW_EXTENDED_MPLS_TUNNEL: + case SFLOW_FLOW_EXTENDED_MPLS_VC: + case SFLOW_FLOW_EXTENDED_MPLS_FEC: + case SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC: + case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL: + break; + default: + if (vflag <= 1) + print_unknown_data(tptr, "\n\t\t", flow_len); + break; + } + } + tptr += flow_len; + tlen -= flow_len; + nrecords--; + + } + + return 0; +} + +static int +sflow_print_flow_sample(const u_char *pointer, u_int len) { + + const struct sflow_flow_sample_t *sflow_flow_sample; + u_int nrecords; + u_int typesource; + u_int type; + u_int index; + + if (len < sizeof(struct sflow_flow_sample_t)) + return 1; + + sflow_flow_sample = (struct sflow_flow_sample_t *)pointer; + + typesource = EXTRACT_32BITS(sflow_flow_sample->typesource); + nrecords = EXTRACT_32BITS(sflow_flow_sample->records); + type = typesource >> 24; + index = typesource & 0x0FFF; + + printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, input %u output %u records %u", + EXTRACT_32BITS(sflow_flow_sample->seqnum), + type, + index, + EXTRACT_32BITS(sflow_flow_sample->rate), + EXTRACT_32BITS(sflow_flow_sample->pool), + EXTRACT_32BITS(sflow_flow_sample->drops), + EXTRACT_32BITS(sflow_flow_sample->in_interface), + EXTRACT_32BITS(sflow_flow_sample->out_interface), + nrecords); + + return sflow_print_flow_records(pointer + sizeof(struct sflow_flow_sample_t), + len - sizeof(struct sflow_flow_sample_t), + nrecords); + +} + +static int +sflow_print_expanded_flow_sample(const u_char *pointer, u_int len) { + + const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample; + u_int nrecords; + + if (len < sizeof(struct sflow_expanded_flow_sample_t)) + return 1; + + sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)pointer; + + nrecords = EXTRACT_32BITS(sflow_expanded_flow_sample->records); + + printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, records %u", + EXTRACT_32BITS(sflow_expanded_flow_sample->seqnum), + EXTRACT_32BITS(sflow_expanded_flow_sample->type), + EXTRACT_32BITS(sflow_expanded_flow_sample->index), + EXTRACT_32BITS(sflow_expanded_flow_sample->rate), + EXTRACT_32BITS(sflow_expanded_flow_sample->pool), + EXTRACT_32BITS(sflow_expanded_flow_sample->drops), + EXTRACT_32BITS(sflow_expanded_flow_sample->records)); + + return sflow_print_flow_records(pointer + sizeof(struct sflow_expanded_flow_sample_t), + len - sizeof(struct sflow_expanded_flow_sample_t), + nrecords); + +} + +void +sflow_print(const u_char *pptr, u_int len) { + + const struct sflow_datagram_t *sflow_datagram; + const struct sflow_sample_header *sflow_sample; + + const u_char *tptr; + u_int tlen; u_int32_t sflow_sample_type, sflow_sample_len; - int nsamples, nrecords, counter_len, counter_type, flow_len, flow_type; + u_int32_t nsamples; + - tptr=pptr; + tptr = pptr; tlen = len; sflow_datagram = (const struct sflow_datagram_t *)pptr; TCHECK(*sflow_datagram); @@ -313,16 +858,21 @@ sflow_print(const u_char *pptr, u_int len) { len); /* skip Common header */ - tptr+=sizeof(const struct sflow_datagram_t); - tlen-=sizeof(const struct sflow_datagram_t); + tptr += sizeof(const struct sflow_datagram_t); + tlen -= sizeof(const struct sflow_datagram_t); while (nsamples > 0 && tlen > 0) { sflow_sample = (const struct sflow_sample_header *)tptr; + TCHECK(*sflow_sample); + sflow_sample_type = (EXTRACT_32BITS(sflow_sample->format)&0x0FFF); sflow_sample_len = EXTRACT_32BITS(sflow_sample->len); - tptr+=sizeof(struct sflow_sample_header); - tlen-=sizeof(struct sflow_sample_header); + if (tlen < sizeof(struct sflow_sample_header)) + goto trunc; + + tptr += sizeof(struct sflow_sample_header); + tlen -= sizeof(struct sflow_sample_header); printf("\n\t%s (%u), length %u,", tok2str(sflow_format_values, "Unknown", sflow_sample_type), @@ -334,226 +884,33 @@ sflow_print(const u_char *pptr, u_int len) { return; } + if (tlen < sflow_sample_len) + goto trunc; + /* did we capture enough for fully decoding the sample ? */ - if (!TTEST2(*tptr, sflow_sample_len)) - goto trunc; + TCHECK2(*tptr, sflow_sample_len); switch(sflow_sample_type) { - case SFLOW_FLOW_SAMPLE: /* XXX */ + case SFLOW_FLOW_SAMPLE: + if (sflow_print_flow_sample(tptr,tlen)) + goto trunc; break; - case SFLOW_COUNTER_SAMPLE: /* XXX */ + case SFLOW_COUNTER_SAMPLE: + if (sflow_print_counter_sample(tptr,tlen)) + goto trunc; break; case SFLOW_EXPANDED_FLOW_SAMPLE: - sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)tptr; - nrecords = EXTRACT_32BITS(sflow_expanded_flow_sample->records); - - printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, records %u", - EXTRACT_32BITS(sflow_expanded_flow_sample->seqnum), - EXTRACT_32BITS(sflow_expanded_flow_sample->type), - EXTRACT_32BITS(sflow_expanded_flow_sample->index), - EXTRACT_32BITS(sflow_expanded_flow_sample->rate), - EXTRACT_32BITS(sflow_expanded_flow_sample->pool), - EXTRACT_32BITS(sflow_expanded_flow_sample->drops), - EXTRACT_32BITS(sflow_expanded_flow_sample->records)); - - tptr+= sizeof(struct sflow_expanded_flow_sample_t); - tlen-= sizeof(struct sflow_expanded_flow_sample_t); - - while ( nrecords > 0 && tlen > 0) { - - /* decode Flow record - 2 bytes */ - flow_type = EXTRACT_32BITS(tptr)&0x0FFF; - flow_len = EXTRACT_32BITS(tptr+4); - printf("\n\t %s (%u) length %u", - tok2str(sflow_flow_type_values,"Unknown",flow_type), - flow_type, - flow_len); - - tptr += 8; - tlen -= 8; - - /* did we capture enough for fully decoding the flow ? */ - if (!TTEST2(*tptr, flow_len)) - goto trunc; - - switch(flow_type) { - case SFLOW_FLOW_RAW_PACKET: - sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)tptr; - printf("\n\t protocol %s (%u), length %u, stripped bytes %u, header_size %u", - tok2str(sflow_flow_raw_protocol_values,"Unknown",EXTRACT_32BITS(sflow_flow_raw->protocol)), - EXTRACT_32BITS(sflow_flow_raw->protocol), - EXTRACT_32BITS(sflow_flow_raw->length), - EXTRACT_32BITS(sflow_flow_raw->stripped_bytes), - EXTRACT_32BITS(sflow_flow_raw->header_size)); - break; - - /* - * FIXME those are the defined flow types that lack a decoder - */ - case SFLOW_FLOW_ETHERNET_FRAME: - case SFLOW_FLOW_IPV4_DATA: - case SFLOW_FLOW_IPV6_DATA: - case SFLOW_FLOW_EXTENDED_SWITCH_DATA: - case SFLOW_FLOW_EXTENDED_ROUTER_DATA: - case SFLOW_FLOW_EXTENDED_GATEWAY_DATA: - case SFLOW_FLOW_EXTENDED_USER_DATA: - case SFLOW_FLOW_EXTENDED_URL_DATA: - case SFLOW_FLOW_EXTENDED_MPLS_DATA: - case SFLOW_FLOW_EXTENDED_NAT_DATA: - case SFLOW_FLOW_EXTENDED_MPLS_TUNNEL: - case SFLOW_FLOW_EXTENDED_MPLS_VC: - case SFLOW_FLOW_EXTENDED_MPLS_FEC: - case SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC: - case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL: - break; - default: - if (vflag <= 1) - print_unknown_data(tptr, "\n\t ", flow_len); - break; - - } - tptr += flow_len; - tlen -= flow_len; - nrecords--; - } - break; + if (sflow_print_expanded_flow_sample(tptr,tlen)) + goto trunc; + break; case SFLOW_EXPANDED_COUNTER_SAMPLE: - sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)tptr; - nrecords = EXTRACT_32BITS(sflow_expanded_counter_sample->records); - - printf(" seqnum %u, type %u, idx %u, records %u", - EXTRACT_32BITS(sflow_expanded_counter_sample->seqnum), - EXTRACT_32BITS(sflow_expanded_counter_sample->type), - EXTRACT_32BITS(sflow_expanded_counter_sample->index), - nrecords); - - tptr+= sizeof(struct sflow_expanded_counter_sample_t); - tlen-= sizeof(struct sflow_expanded_counter_sample_t); - - while ( nrecords > 0 && tlen > 0) { - - /* decode counter record - 2 bytes */ - counter_type = EXTRACT_32BITS(tptr)&0x0FFF; - counter_len = EXTRACT_32BITS(tptr+4); - printf("\n\t %s (%u) length %u", - tok2str(sflow_counter_type_values,"Unknown",counter_type), - counter_type, - counter_len); - - tptr += 8; - tlen -= 8; - - /* did we capture enough for fully decoding the counter ? */ - if (!TTEST2(*tptr, counter_len)) - goto trunc; - - switch(counter_type) { - case SFLOW_COUNTER_GENERIC: - sflow_gen_counter = (const struct sflow_generic_counter_t *)tptr; - printf("\n\t ifindex %u, iftype %u, ifspeed %u, ifdirection %u (%s)", - EXTRACT_32BITS(sflow_gen_counter->ifindex), - EXTRACT_32BITS(sflow_gen_counter->iftype), - EXTRACT_32BITS(sflow_gen_counter->ifspeed), - EXTRACT_32BITS(sflow_gen_counter->ifdirection), - tok2str(sflow_iface_direction_values, "Unknown", - EXTRACT_32BITS(sflow_gen_counter->ifdirection))); - printf("\n\t ifstatus %u, adminstatus: %s, operstatus: %s", - EXTRACT_32BITS(sflow_gen_counter->ifstatus), - EXTRACT_32BITS(sflow_gen_counter->ifstatus)&1 ? "up" : "down", - (EXTRACT_32BITS(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down"); - printf("\n\t In octets %" PRIu64 - ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u", - EXTRACT_64BITS(sflow_gen_counter->ifinoctets), - EXTRACT_32BITS(sflow_gen_counter->ifinunicastpkts), - EXTRACT_32BITS(sflow_gen_counter->ifinmulticastpkts), - EXTRACT_32BITS(sflow_gen_counter->ifinbroadcastpkts), - EXTRACT_32BITS(sflow_gen_counter->ifindiscards)); - printf("\n\t In errors %u, unknown protos %u", - EXTRACT_32BITS(sflow_gen_counter->ifinerrors), - EXTRACT_32BITS(sflow_gen_counter->ifinunkownprotos)); - printf("\n\t Out octets %" PRIu64 - ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u", - EXTRACT_64BITS(sflow_gen_counter->ifoutoctets), - EXTRACT_32BITS(sflow_gen_counter->ifoutunicastpkts), - EXTRACT_32BITS(sflow_gen_counter->ifoutmulticastpkts), - EXTRACT_32BITS(sflow_gen_counter->ifoutbroadcastpkts), - EXTRACT_32BITS(sflow_gen_counter->ifoutdiscards)); - printf("\n\t Out errors %u, promisc mode %u", - EXTRACT_32BITS(sflow_gen_counter->ifouterrors), - EXTRACT_32BITS(sflow_gen_counter->ifpromiscmode)); - break; - case SFLOW_COUNTER_ETHERNET: - sflow_eth_counter = (const struct sflow_ethernet_counter_t *)tptr; - printf("\n\t align errors %u, fcs errors %u, single collision %u, multiple collision %u, test error %u", - EXTRACT_32BITS(sflow_eth_counter->alignerrors), - EXTRACT_32BITS(sflow_eth_counter->fcserrors), - EXTRACT_32BITS(sflow_eth_counter->single_collision_frames), - EXTRACT_32BITS(sflow_eth_counter->multiple_collision_frames), - EXTRACT_32BITS(sflow_eth_counter->test_errors)); - printf("\n\t deferred %u, late collision %u, excessive collision %u, mac trans error %u", - EXTRACT_32BITS(sflow_eth_counter->deferred_transmissions), - EXTRACT_32BITS(sflow_eth_counter->late_collisions), - EXTRACT_32BITS(sflow_eth_counter->excessive_collisions), - EXTRACT_32BITS(sflow_eth_counter->mac_transmit_errors)); - printf("\n\t carrier error %u, frames too long %u, mac receive errors %u, symbol errors %u", - EXTRACT_32BITS(sflow_eth_counter->carrier_sense_errors), - EXTRACT_32BITS(sflow_eth_counter->frame_too_longs), - EXTRACT_32BITS(sflow_eth_counter->mac_receive_errors), - EXTRACT_32BITS(sflow_eth_counter->symbol_errors)); - break; - case SFLOW_COUNTER_TOKEN_RING: /* XXX */ - break; - case SFLOW_COUNTER_BASEVG: - sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)tptr; - printf("\n\t in high prio frames %u, in high prio octets %" PRIu64, - EXTRACT_32BITS(sflow_100basevg_counter->in_highpriority_frames), - EXTRACT_64BITS(sflow_100basevg_counter->in_highpriority_octets)); - printf("\n\t in norm prio frames %u, in norm prio octets %" PRIu64, - EXTRACT_32BITS(sflow_100basevg_counter->in_normpriority_frames), - EXTRACT_64BITS(sflow_100basevg_counter->in_normpriority_octets)); - printf("\n\t in ipm errors %u, oversized %u, in data errors %u, null addressed frames %u", - EXTRACT_32BITS(sflow_100basevg_counter->in_ipmerrors), - EXTRACT_32BITS(sflow_100basevg_counter->in_oversized), - EXTRACT_32BITS(sflow_100basevg_counter->in_data_errors), - EXTRACT_32BITS(sflow_100basevg_counter->in_null_addressed_frames)); - printf("\n\t out high prio frames %u, out high prio octets %" PRIu64 - ", trans into frames %u", - EXTRACT_32BITS(sflow_100basevg_counter->out_highpriority_frames), - EXTRACT_64BITS(sflow_100basevg_counter->out_highpriority_octets), - EXTRACT_32BITS(sflow_100basevg_counter->transitioninto_frames)); - printf("\n\t in hc high prio octets %" PRIu64 - ", in hc norm prio octets %" PRIu64 - ", out hc high prio octets %" PRIu64, - EXTRACT_64BITS(sflow_100basevg_counter->hc_in_highpriority_octets), - EXTRACT_64BITS(sflow_100basevg_counter->hc_in_normpriority_octets), - EXTRACT_64BITS(sflow_100basevg_counter->hc_out_highpriority_octets)); - break; - case SFLOW_COUNTER_VLAN: - sflow_vlan_counter = (const struct sflow_vlan_counter_t *)tptr; - printf("\n\t vlan_id %u, octets %" PRIu64 - ", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u", - EXTRACT_32BITS(sflow_vlan_counter->vlan_id), - EXTRACT_64BITS(sflow_vlan_counter->octets), - EXTRACT_32BITS(sflow_vlan_counter->unicast_pkt), - EXTRACT_32BITS(sflow_vlan_counter->multicast_pkt), - EXTRACT_32BITS(sflow_vlan_counter->broadcast_pkt), - EXTRACT_32BITS(sflow_vlan_counter->discards)); - break; - case SFLOW_COUNTER_PROCESSOR: /* XXX */ - break; - default: - if (vflag <= 1) - print_unknown_data(tptr, "\n\t\t", counter_len); - break; - } - tptr += counter_len; - tlen -= counter_len; - nrecords--; - } - break; + if (sflow_print_expanded_counter_sample(tptr,tlen)) + goto trunc; + break; + default: if (vflag <= 1) print_unknown_data(tptr, "\n\t ", sflow_sample_len); |