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path: root/src/vnet/ipfix-export/flow_report.c
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Diffstat (limited to 'src/vnet/ipfix-export/flow_report.c')
-rw-r--r--src/vnet/ipfix-export/flow_report.c139
1 files changed, 77 insertions, 62 deletions
diff --git a/src/vnet/ipfix-export/flow_report.c b/src/vnet/ipfix-export/flow_report.c
index 85839323b3e..a28f783130d 100644
--- a/src/vnet/ipfix-export/flow_report.c
+++ b/src/vnet/ipfix-export/flow_report.c
@@ -24,43 +24,45 @@ flow_report_main_t flow_report_main;
static_always_inline u8
stream_index_valid (u32 index)
{
- flow_report_main_t *frm = &flow_report_main;
- return index < vec_len (frm->streams) &&
- frm->streams[index].domain_id != ~0;
+ ipfix_exporter_t *exp = pool_elt_at_index (flow_report_main.exporters, 0);
+
+ return index < vec_len (exp->streams) && exp->streams[index].domain_id != ~0;
}
static_always_inline flow_report_stream_t *
add_stream (void)
{
- flow_report_main_t *frm = &flow_report_main;
+ ipfix_exporter_t *exp = pool_elt_at_index (flow_report_main.exporters, 0);
+
u32 i;
- for (i = 0; i < vec_len (frm->streams); i++)
+ for (i = 0; i < vec_len (exp->streams); i++)
if (!stream_index_valid (i))
- return &frm->streams[i];
- u32 index = vec_len (frm->streams);
- vec_validate (frm->streams, index);
- return &frm->streams[index];
+ return &exp->streams[i];
+ u32 index = vec_len (exp->streams);
+ vec_validate (exp->streams, index);
+ return &exp->streams[index];
}
static_always_inline void
delete_stream (u32 index)
{
- flow_report_main_t *frm = &flow_report_main;
- ASSERT (index < vec_len (frm->streams));
- ASSERT (frm->streams[index].domain_id != ~0);
- frm->streams[index].domain_id = ~0;
+ ipfix_exporter_t *exp = pool_elt_at_index (flow_report_main.exporters, 0);
+
+ ASSERT (index < vec_len (exp->streams));
+ ASSERT (exp->streams[index].domain_id != ~0);
+ exp->streams[index].domain_id = ~0;
}
static i32
find_stream (u32 domain_id, u16 src_port)
{
- flow_report_main_t *frm = &flow_report_main;
+ ipfix_exporter_t *exp = pool_elt_at_index (flow_report_main.exporters, 0);
flow_report_stream_t *stream;
u32 i;
- for (i = 0; i < vec_len (frm->streams); i++)
+ for (i = 0; i < vec_len (exp->streams); i++)
if (stream_index_valid (i))
{
- stream = &frm->streams[i];
+ stream = &exp->streams[i];
if (domain_id == stream->domain_id)
{
if (src_port != stream->src_port)
@@ -87,12 +89,13 @@ send_template_packet (flow_report_main_t * frm,
udp_header_t *udp;
vlib_main_t *vm = frm->vlib_main;
flow_report_stream_t *stream;
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
ASSERT (buffer_indexp);
if (fr->update_rewrite || fr->rewrite == 0)
{
- if (frm->ipfix_collector.as_u32 == 0 || frm->src_address.as_u32 == 0)
+ if (exp->ipfix_collector.as_u32 == 0 || exp->src_address.as_u32 == 0)
{
vlib_node_set_state (frm->vlib_main, flow_report_process_node.index,
VLIB_NODE_STATE_DISABLED);
@@ -104,13 +107,9 @@ send_template_packet (flow_report_main_t * frm,
if (fr->update_rewrite)
{
- fr->rewrite = fr->rewrite_callback (frm, fr,
- &frm->ipfix_collector,
- &frm->src_address,
- frm->collector_port,
- fr->report_elements,
- fr->n_report_elements,
- fr->stream_indexp);
+ fr->rewrite = fr->rewrite_callback (
+ frm, fr, &exp->ipfix_collector, &exp->src_address, exp->collector_port,
+ fr->report_elements, fr->n_report_elements, fr->stream_indexp);
fr->update_rewrite = 0;
}
@@ -126,7 +125,7 @@ send_template_packet (flow_report_main_t * frm,
b0->current_length = vec_len (fr->rewrite);
b0->flags |= (VLIB_BUFFER_TOTAL_LENGTH_VALID | VNET_BUFFER_F_FLOW_REPORT);
vnet_buffer (b0)->sw_if_index[VLIB_RX] = 0;
- vnet_buffer (b0)->sw_if_index[VLIB_TX] = frm->fib_index;
+ vnet_buffer (b0)->sw_if_index[VLIB_TX] = exp->fib_index;
tp = vlib_buffer_get_current (b0);
ip = (ip4_header_t *) & tp->ip4;
@@ -139,7 +138,7 @@ send_template_packet (flow_report_main_t * frm,
(vlib_time_now (frm->vlib_main) - frm->vlib_time_0));
h->export_time = clib_host_to_net_u32 (h->export_time);
- stream = &frm->streams[fr->stream_index];
+ stream = &exp->streams[fr->stream_index];
/* FIXUP: message header sequence_number. Templates do not increase it */
h->sequence_number = clib_host_to_net_u32 (stream->sequence_number);
@@ -147,7 +146,7 @@ send_template_packet (flow_report_main_t * frm,
/* FIXUP: udp length */
udp->length = clib_host_to_net_u16 (b0->current_length - sizeof (*ip));
- if (frm->udp_checksum)
+ if (exp->udp_checksum)
{
/* RFC 7011 section 10.3.2. */
udp->checksum = ip4_tcp_udp_compute_checksum (vm, b0, ip);
@@ -183,12 +182,13 @@ vnet_flow_rewrite_generic_callback (flow_report_main_t * frm,
flow_report_stream_t *stream;
int i;
ipfix_report_element_t *ep;
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
ASSERT (stream_indexp);
ASSERT (n_elts);
ASSERT (report_elts);
- stream = &frm->streams[fr->stream_index];
+ stream = &exp->streams[fr->stream_index];
*stream_indexp = fr->stream_index;
/* allocate rewrite space */
@@ -284,18 +284,19 @@ flow_report_process (vlib_main_t * vm,
vlib_process_wait_for_event_or_clock (vm, wait_time);
event_type = vlib_process_get_events (vm, &event_data);
vec_reset_length (event_data);
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
/* 5s delay by default, possibly reduced by template intervals */
wait_time = def_wait_time;
- vec_foreach (fr, frm->reports)
+ vec_foreach (fr, exp->reports)
{
f64 next_template;
now = vlib_time_now (vm);
/* Need to send a template packet? */
send_template =
- now > (fr->last_template_sent + frm->template_interval);
+ now > (fr->last_template_sent + exp->template_interval);
send_template += fr->last_template_sent == 0;
template_bi = ~0;
rv = 0;
@@ -308,7 +309,7 @@ flow_report_process (vlib_main_t * vm,
/* decide if template should be sent sooner than current wait time */
next_template =
- (fr->last_template_sent + frm->template_interval) - now;
+ (fr->last_template_sent + exp->template_interval) - now;
wait_time = clib_min (wait_time, next_template);
nf = vlib_get_frame_to_node (vm, ip4_lookup_node_index);
@@ -350,6 +351,7 @@ vnet_flow_report_add_del (flow_report_main_t * frm,
flow_report_t *fr;
flow_report_stream_t *stream;
u32 si;
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
si = find_stream (a->domain_id, a->src_port);
if (si == -2)
@@ -357,9 +359,9 @@ vnet_flow_report_add_del (flow_report_main_t * frm,
if (si == -1 && a->is_add == 0)
return VNET_API_ERROR_NO_SUCH_ENTRY;
- for (i = 0; i < vec_len (frm->reports); i++)
+ for (i = 0; i < vec_len (exp->reports); i++)
{
- fr = vec_elt_at_index (frm->reports, i);
+ fr = vec_elt_at_index (exp->reports, i);
if (fr->opaque.as_uword == a->opaque.as_uword
&& fr->rewrite_callback == a->rewrite_callback
&& fr->flow_data_callback == a->flow_data_callback)
@@ -375,8 +377,8 @@ vnet_flow_report_add_del (flow_report_main_t * frm,
{
if (found_index != ~0)
{
- vec_delete (frm->reports, 1, found_index);
- stream = &frm->streams[si];
+ vec_delete (exp->reports, 1, found_index);
+ stream = &exp->streams[si];
stream->n_reports--;
if (stream->n_reports == 0)
delete_stream (si);
@@ -395,14 +397,14 @@ vnet_flow_report_add_del (flow_report_main_t * frm,
stream->src_port = a->src_port;
stream->sequence_number = 0;
stream->n_reports = 0;
- si = stream - frm->streams;
+ si = stream - exp->streams;
}
else
- stream = &frm->streams[si];
+ stream = &exp->streams[si];
stream->n_reports++;
- vec_add2 (frm->reports, fr, 1);
+ vec_add2 (exp->reports, fr, 1);
fr->stream_index = si;
fr->template_id = 256 + stream->next_template_no;
@@ -446,12 +448,13 @@ vnet_flow_reports_reset (flow_report_main_t * frm)
{
flow_report_t *fr;
u32 i;
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
- for (i = 0; i < vec_len (frm->streams); i++)
+ for (i = 0; i < vec_len (exp->streams); i++)
if (stream_index_valid (i))
- frm->streams[i].sequence_number = 0;
+ exp->streams[i].sequence_number = 0;
- vec_foreach (fr, frm->reports)
+ vec_foreach (fr, exp->reports)
{
fr->update_rewrite = 1;
fr->last_template_sent = 0;
@@ -462,11 +465,12 @@ void
vnet_stream_reset (flow_report_main_t * frm, u32 stream_index)
{
flow_report_t *fr;
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
- frm->streams[stream_index].sequence_number = 0;
+ exp->streams[stream_index].sequence_number = 0;
- vec_foreach (fr, frm->reports)
- if (frm->reports->stream_index == stream_index)
+ vec_foreach (fr, exp->reports)
+ if (exp->reports->stream_index == stream_index)
{
fr->update_rewrite = 1;
fr->last_template_sent = 0;
@@ -478,10 +482,12 @@ vnet_stream_change (flow_report_main_t * frm,
u32 old_domain_id, u16 old_src_port,
u32 new_domain_id, u16 new_src_port)
{
+ ipfix_exporter_t *exp = pool_elt_at_index (frm->exporters, 0);
+
i32 stream_index = find_stream (old_domain_id, old_src_port);
if (stream_index < 0)
return 1;
- flow_report_stream_t *stream = &frm->streams[stream_index];
+ flow_report_stream_t *stream = &exp->streams[stream_index];
stream->domain_id = new_domain_id;
stream->src_port = new_src_port;
if (old_domain_id != new_domain_id || old_src_port != new_src_port)
@@ -505,6 +511,7 @@ set_ipfix_exporter_command_fn (vlib_main_t * vm,
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);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
@@ -543,28 +550,28 @@ set_ipfix_exporter_command_fn (vlib_main_t * vm,
return clib_error_return (0, "too small path-mtu value, minimum is 68");
/* Reset report streams if we are reconfiguring IP addresses */
- if (frm->ipfix_collector.as_u32 != collector.as_u32 ||
- frm->src_address.as_u32 != src.as_u32 ||
- frm->collector_port != collector_port)
+ if (exp->ipfix_collector.as_u32 != collector.as_u32 ||
+ exp->src_address.as_u32 != src.as_u32 ||
+ exp->collector_port != collector_port)
vnet_flow_reports_reset (frm);
- frm->ipfix_collector.as_u32 = collector.as_u32;
- frm->collector_port = collector_port;
- frm->src_address.as_u32 = src.as_u32;
- frm->fib_index = fib_index;
- frm->path_mtu = path_mtu;
- frm->template_interval = template_interval;
- frm->udp_checksum = udp_checksum;
+ exp->ipfix_collector.as_u32 = collector.as_u32;
+ exp->collector_port = collector_port;
+ exp->src_address.as_u32 = src.as_u32;
+ exp->fib_index = fib_index;
+ exp->path_mtu = path_mtu;
+ exp->template_interval = template_interval;
+ exp->udp_checksum = udp_checksum;
if (collector.as_u32)
- vlib_cli_output (vm, "Collector %U, src address %U, "
+ vlib_cli_output (vm,
+ "Collector %U, src address %U, "
"fib index %d, path MTU %u, "
"template resend interval %us, "
"udp checksum %s",
- format_ip4_address, &frm->ipfix_collector,
- format_ip4_address, &frm->src_address,
- fib_index, path_mtu, template_interval,
- udp_checksum ? "enabled" : "disabled");
+ format_ip4_address, exp->ipfix_collector,
+ format_ip4_address, exp->src_address, fib_index, path_mtu,
+ template_interval, udp_checksum ? "enabled" : "disabled");
else
vlib_cli_output (vm, "IPFIX Collector is disabled");
@@ -608,13 +615,21 @@ static clib_error_t *
flow_report_init (vlib_main_t * vm)
{
flow_report_main_t *frm = &flow_report_main;
+ ipfix_exporter_t *exp;
frm->vlib_main = vm;
frm->vnet_main = vnet_get_main ();
frm->unix_time_0 = time (0);
frm->vlib_time_0 = vlib_time_now (frm->vlib_main);
- frm->fib_index = ~0;
-
+ /*
+ * Make sure that we can always access the first exporter for
+ * backwards compatibility reasons.
+ */
+ pool_alloc (frm->exporters, IPFIX_EXPORTERS_MAX);
+ pool_get (frm->exporters, exp);
+ /* Verify that this is at index 0 */
+ ASSERT (frm->exporters == exp);
+ exp->fib_index = ~0;
return 0;
}