diff options
Diffstat (limited to 'src/vnet/ipfix-export')
-rw-r--r-- | src/vnet/ipfix-export/flow_api.c | 77 | ||||
-rw-r--r-- | src/vnet/ipfix-export/flow_report.c | 46 | ||||
-rw-r--r-- | src/vnet/ipfix-export/flow_report.h | 15 | ||||
-rw-r--r-- | src/vnet/ipfix-export/flow_report_classify.c | 4 |
4 files changed, 80 insertions, 62 deletions
diff --git a/src/vnet/ipfix-export/flow_api.c b/src/vnet/ipfix-export/flow_api.c index 62dc703d9a0..4a9b525ac67 100644 --- a/src/vnet/ipfix-export/flow_api.c +++ b/src/vnet/ipfix-export/flow_api.c @@ -37,14 +37,14 @@ #include <vlibapi/api_helper_macros.h> ipfix_exporter_t * -vnet_ipfix_exporter_lookup (ip4_address_t *ipfix_collector) +vnet_ipfix_exporter_lookup (const ip_address_t *ipfix_collector) { flow_report_main_t *frm = &flow_report_main; ipfix_exporter_t *exp; pool_foreach (exp, frm->exporters) { - if (exp->ipfix_collector.as_u32 == ipfix_collector->as_u32) + if (ip_address_cmp (&exp->ipfix_collector, ipfix_collector) == 0) return exp; } @@ -70,29 +70,34 @@ vl_api_set_ipfix_exporter_t_internal ( flow_report_main_t *frm = &flow_report_main; ipfix_exporter_t *exp; vl_api_registration_t *reg; - ip4_address_t collector, src; + ip_address_t collector, src; u16 collector_port = UDP_DST_PORT_ipfix; u32 path_mtu; u32 template_interval; u8 udp_checksum; u32 fib_id; u32 fib_index = ~0; + u32 ip_header_size; reg = vl_api_client_index_to_registration (client_index); if (!reg) return VNET_API_ERROR_UNIMPLEMENTED; - /* Collector address is the key for the exporter lookup */ - ip4_address_decode (mp_collector_address->un.ip4, &collector); - if (use_index_0) - /* - * In this case we update the existing exporter. There is no delete - * for exp[0] - */ - exp = &frm->exporters[0]; + { + /* + * In this case we update the existing exporter. There is no delete + * for exp[0] + */ + exp = &frm->exporters[0]; + + /* Collector address must be IPv4 for exp[0] */ + collector.version = AF_IP4; + ip4_address_decode (mp_collector_address->un.ip4, &collector.ip.ip4); + } else { + ip_address_decode2 (mp_collector_address, &collector); if (is_create) { exp = vnet_ipfix_exporter_lookup (&collector); @@ -118,16 +123,10 @@ vl_api_set_ipfix_exporter_t_internal ( } } - if (mp_src_address->af == ADDRESS_IP6 || - mp_collector_address->af == ADDRESS_IP6) - { - return VNET_API_ERROR_UNIMPLEMENTED; - } - collector_port = ntohs (mp_collector_port); if (collector_port == (u16) ~ 0) collector_port = UDP_DST_PORT_ipfix; - ip4_address_decode (mp_src_address->un.ip4, &src); + ip_address_decode2 (mp_src_address, &src); fib_id = ntohl (mp_vrf_id); ip4_main_t *im = &ip4_main; @@ -151,7 +150,13 @@ vl_api_set_ipfix_exporter_t_internal ( template_interval = 20; udp_checksum = mp_udp_checksum; - if (collector.as_u32 != 0 && src.as_u32 == 0) + /* + * If the collector address is set then the src must be too. + * Collector address can be set to 0 to disable exporter + */ + if (!ip_address_is_zero (&collector) && ip_address_is_zero (&src)) + return VNET_API_ERROR_INVALID_VALUE; + if (collector.version != src.version) return VNET_API_ERROR_INVALID_VALUE; if (path_mtu > 1450 /* vpp does not support fragmentation */ ) @@ -161,19 +166,23 @@ vl_api_set_ipfix_exporter_t_internal ( return VNET_API_ERROR_INVALID_VALUE; /* Calculate how much header data we need. */ - exp->all_headers_size = sizeof (ip4_header_t) + sizeof (udp_header_t) + + if (collector.version == AF_IP4) + ip_header_size = sizeof (ip4_header_t); + else + ip_header_size = sizeof (ip6_header_t); + exp->all_headers_size = ip_header_size + sizeof (udp_header_t) + sizeof (ipfix_message_header_t) + sizeof (ipfix_set_header_t); /* Reset report streams if we are reconfiguring IP addresses */ - if (exp->ipfix_collector.as_u32 != collector.as_u32 || - exp->src_address.as_u32 != src.as_u32 || + if (ip_address_cmp (&exp->ipfix_collector, &collector) || + ip_address_cmp (&exp->src_address, &src) || exp->collector_port != collector_port) vnet_flow_reports_reset (exp); - exp->ipfix_collector.as_u32 = collector.as_u32; + exp->ipfix_collector = collector; exp->collector_port = collector_port; - exp->src_address.as_u32 = src.as_u32; + exp->src_address = src; exp->fib_index = fib_index; exp->path_mtu = path_mtu; exp->template_interval = template_interval; @@ -220,8 +229,6 @@ vl_api_ipfix_exporter_dump_t_handler (vl_api_ipfix_exporter_dump_t * mp) vl_api_registration_t *reg; vl_api_ipfix_exporter_details_t *rmp; ip4_main_t *im = &ip4_main; - ip46_address_t collector = {.as_u64[0] = 0,.as_u64[1] = 0 }; - ip46_address_t src = {.as_u64[0] = 0,.as_u64[1] = 0 }; u32 vrf_id; reg = vl_api_client_index_to_registration (mp->client_index); @@ -234,13 +241,9 @@ vl_api_ipfix_exporter_dump_t_handler (vl_api_ipfix_exporter_dump_t * mp) ntohs ((REPLY_MSG_ID_BASE) + VL_API_IPFIX_EXPORTER_DETAILS); rmp->context = mp->context; - memcpy (&collector.ip4, &exp->ipfix_collector, sizeof (ip4_address_t)); - ip_address_encode (&collector, IP46_TYPE_IP4, &rmp->collector_address); - + ip_address_encode2 (&exp->ipfix_collector, &rmp->collector_address); rmp->collector_port = htons (exp->collector_port); - - memcpy (&src.ip4, &exp->src_address, sizeof (ip4_address_t)); - ip_address_encode (&src, IP46_TYPE_IP4, &rmp->src_address); + ip_address_encode2 (&exp->src_address, &rmp->src_address); if (exp->fib_index == ~0) vrf_id = ~0; @@ -259,17 +262,11 @@ ipfix_all_fill_details (vl_api_ipfix_all_exporter_details_t *rmp, ipfix_exporter_t *exp) { ip4_main_t *im = &ip4_main; - ip46_address_t collector = { .as_u64[0] = 0, .as_u64[1] = 0 }; - ip46_address_t src = { .as_u64[0] = 0, .as_u64[1] = 0 }; u32 vrf_id; - memcpy (&collector.ip4, &exp->ipfix_collector, sizeof (ip4_address_t)); - ip_address_encode (&collector, IP46_TYPE_IP4, &rmp->collector_address); - + ip_address_encode2 (&exp->ipfix_collector, &rmp->collector_address); rmp->collector_port = htons (exp->collector_port); - - memcpy (&src.ip4, &exp->src_address, sizeof (ip4_address_t)); - ip_address_encode (&src, IP46_TYPE_IP4, &rmp->src_address); + ip_address_encode2 (&exp->src_address, &rmp->src_address); if (exp->fib_index == ~0) vrf_id = ~0; diff --git a/src/vnet/ipfix-export/flow_report.c b/src/vnet/ipfix-export/flow_report.c index 1660a2bfdb1..bb7a863cac5 100644 --- a/src/vnet/ipfix-export/flow_report.c +++ b/src/vnet/ipfix-export/flow_report.c @@ -88,7 +88,8 @@ send_template_packet (flow_report_main_t *frm, ipfix_exporter_t *exp, if (fr->update_rewrite || fr->rewrite == 0) { - if (exp->ipfix_collector.as_u32 == 0 || exp->src_address.as_u32 == 0) + if (ip_address_is_zero (&exp->ipfix_collector) || + ip_address_is_zero (&exp->src_address)) { vlib_node_set_state (frm->vlib_main, flow_report_process_node.index, VLIB_NODE_STATE_DISABLED); @@ -198,8 +199,8 @@ vnet_flow_rewrite_generic_callback (ipfix_exporter_t *exp, flow_report_t *fr, ip4->ip_version_and_header_length = 0x45; ip4->ttl = 254; ip4->protocol = IP_PROTOCOL_UDP; - ip4->src_address.as_u32 = exp->src_address.as_u32; - ip4->dst_address.as_u32 = exp->ipfix_collector.as_u32; + ip4->src_address.as_u32 = exp->src_address.ip.ip4.as_u32; + ip4->dst_address.as_u32 = exp->ipfix_collector.ip.ip4.as_u32; udp->src_port = clib_host_to_net_u16 (stream->src_port); udp->dst_port = clib_host_to_net_u16 (collector_port); udp->length = clib_host_to_net_u16 (vec_len (rewrite) - sizeof (*ip4)); @@ -295,8 +296,8 @@ vnet_ipfix_exp_send_buffer (vlib_main_t *vm, ipfix_exporter_t *exp, ip4->ttl = 254; ip4->protocol = IP_PROTOCOL_UDP; ip4->flags_and_fragment_offset = 0; - ip4->src_address.as_u32 = exp->src_address.as_u32; - ip4->dst_address.as_u32 = exp->ipfix_collector.as_u32; + ip4->src_address.as_u32 = exp->src_address.ip.ip4.as_u32; + ip4->dst_address.as_u32 = exp->ipfix_collector.ip.ip4.as_u32; udp->src_port = clib_host_to_net_u16 (stream->src_port); udp->dst_port = clib_host_to_net_u16 (exp->collector_port); udp->checksum = 0; @@ -644,26 +645,26 @@ set_ipfix_exporter_command_fn (vlib_main_t * vm, vlib_cli_command_t * cmd) { flow_report_main_t *frm = &flow_report_main; - ip4_address_t collector, src; + ip_address_t collector = IP_ADDRESS_V4_ALL_0S, src = IP_ADDRESS_V4_ALL_0S; u16 collector_port = UDP_DST_PORT_ipfix; u32 fib_id; u32 fib_index = ~0; - collector.as_u32 = 0; - src.as_u32 = 0; u32 path_mtu = 512; // RFC 7011 section 10.3.3. u32 template_interval = 20; u8 udp_checksum = 0; ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0); + u32 ip_header_size; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { - if (unformat (input, "collector %U", unformat_ip4_address, &collector)) + if (unformat (input, "collector %U", unformat_ip4_address, + &collector.ip.ip4)) ; else if (unformat (input, "port %U", unformat_udp_port, &collector_port)) ; - else if (unformat (input, "src %U", unformat_ip4_address, &src)) + else if (unformat (input, "src %U", unformat_ip4_address, &src.ip.ip4)) ; else if (unformat (input, "fib-id %u", &fib_id)) { @@ -683,8 +684,15 @@ set_ipfix_exporter_command_fn (vlib_main_t * vm, break; } - if (collector.as_u32 != 0 && src.as_u32 == 0) + /* + * If the collector address is set then the src must be too. + * Collector address can be set to 0 to disable exporter + */ + if (!ip_address_is_zero (&collector) && ip_address_is_zero (&src)) return clib_error_return (0, "src address required"); + if (collector.version != src.version) + return clib_error_return ( + 0, "src address and dest address must use same IP version"); if (path_mtu > 1450 /* vpp does not support fragmentation */ ) return clib_error_return (0, "too big path-mtu value, maximum is 1450"); @@ -693,25 +701,29 @@ set_ipfix_exporter_command_fn (vlib_main_t * vm, return clib_error_return (0, "too small path-mtu value, minimum is 68"); /* Calculate how much header data we need. */ - exp->all_headers_size = sizeof (ip4_header_t) + sizeof (udp_header_t) + + if (collector.version == AF_IP4) + ip_header_size = sizeof (ip4_header_t); + else + ip_header_size = sizeof (ip6_header_t); + exp->all_headers_size = ip_header_size + sizeof (udp_header_t) + sizeof (ipfix_message_header_t) + sizeof (ipfix_set_header_t); /* Reset report streams if we are reconfiguring IP addresses */ - if (exp->ipfix_collector.as_u32 != collector.as_u32 || - exp->src_address.as_u32 != src.as_u32 || + if (ip_address_cmp (&exp->ipfix_collector, &collector) || + ip_address_cmp (&exp->src_address, &src) || exp->collector_port != collector_port) vnet_flow_reports_reset (exp); - exp->ipfix_collector.as_u32 = collector.as_u32; + exp->ipfix_collector = collector; exp->collector_port = collector_port; - exp->src_address.as_u32 = src.as_u32; + exp->src_address = src; exp->fib_index = fib_index; exp->path_mtu = path_mtu; exp->template_interval = template_interval; exp->udp_checksum = udp_checksum; - if (collector.as_u32) + if (collector.ip.ip4.as_u32) vlib_cli_output (vm, "Collector %U, src address %U, " "fib index %d, path MTU %u, " diff --git a/src/vnet/ipfix-export/flow_report.h b/src/vnet/ipfix-export/flow_report.h index 319533decac..cd0cafb6158 100644 --- a/src/vnet/ipfix-export/flow_report.h +++ b/src/vnet/ipfix-export/flow_report.h @@ -46,6 +46,14 @@ typedef struct ipfix_template_packet_t ipfix; } ip4_ipfix_template_packet_t; +/* Used to build the rewrite */ +typedef struct +{ + ip6_header_t ip6; + udp_header_t udp; + ipfix_template_packet_t ipfix; +} ip6_ipfix_template_packet_t; + struct flow_report_main; struct flow_report; struct ipfix_exporter; @@ -155,9 +163,9 @@ typedef struct ipfix_exporter flow_report_stream_t *streams; /* ipfix collector ip address, port, our ip address, fib index */ - ip4_address_t ipfix_collector; + ip_address_t ipfix_collector; u16 collector_port; - ip4_address_t src_address; + ip_address_t src_address; u32 fib_index; /* Path MTU */ @@ -235,7 +243,8 @@ int vnet_stream_change (ipfix_exporter_t *exp, u32 old_domain_id, /* * Search all the exporters for one that has a matching destination address. */ -ipfix_exporter_t *vnet_ipfix_exporter_lookup (ip4_address_t *ipfix_collector); +ipfix_exporter_t * +vnet_ipfix_exporter_lookup (const ip_address_t *ipfix_collector); /* * Get the currently in use buffer for the given stream on the given core. diff --git a/src/vnet/ipfix-export/flow_report_classify.c b/src/vnet/ipfix-export/flow_report_classify.c index 2c4285b287c..ea6ba5cab58 100644 --- a/src/vnet/ipfix-export/flow_report_classify.c +++ b/src/vnet/ipfix-export/flow_report_classify.c @@ -106,8 +106,8 @@ ipfix_classify_template_rewrite (ipfix_exporter_t *exp, flow_report_t *fr, ip->ip_version_and_header_length = 0x45; ip->ttl = 254; ip->protocol = IP_PROTOCOL_UDP; - ip->src_address.as_u32 = exp->src_address.as_u32; - ip->dst_address.as_u32 = exp->ipfix_collector.as_u32; + ip->src_address.as_u32 = exp->src_address.ip.ip4.as_u32; + ip->dst_address.as_u32 = exp->ipfix_collector.ip.ip4.as_u32; udp->src_port = clib_host_to_net_u16 (stream->src_port); udp->dst_port = clib_host_to_net_u16 (collector_port); udp->length = clib_host_to_net_u16 (vec_len (rewrite) - sizeof (*ip)); |