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Implement IPFIX export

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Define a new NXAST_SAMPLE OpenFlow vendor action and the corresponding
OFPACT_SAMPLE OVS action, to do per-flow packet sampling, translated
into a new SAMPLE "flow_sample" dp action.

Make the userspace action's userdata size vary depending on the union
member used.  Add a new "flow_sample" upcall to do per-flow packet
sampling.  Add a new "ipfix" upcall to do per-bridge packet sampling
to IPFIX collectors.

Extend the OVSDB schema to support configuring IPFIX collector sets.
Add support for configuring multiple IPFIX collectors for per-flow
packet sampling.  Add support for configuring per-bridge IPFIX
sampling.

Automatically generate standard IPFIX entity definitions from the IANA
specs.  Send one IPFIX data record message for every packet sampled by
an OpenFlow sample action or received by a bridge configured with
IPFIX sampling, and periodically send IPFIX template set messages.

Signed-off-by: Romain Lenglet <rlenglet@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Romain Lenglet
2013-04-22 10:01:14 -07:00
committed by Ben Pfaff
parent d8558b4ae8
commit 29089a540c
32 changed files with 10768 additions and 238 deletions
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57
lib/ofp-actions.c
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@@ -217,6 +217,25 @@ dec_ttl_cnt_ids_from_openflow(const struct nx_action_cnt_ids *nac_ids,
return 0;
}
static enum ofperr
sample_from_openflow(const struct nx_action_sample *nas,
struct ofpbuf *out)
{
struct ofpact_sample *sample;
sample = ofpact_put_SAMPLE(out);
sample->probability = ntohs(nas->probability);
sample->collector_set_id = ntohl(nas->collector_set_id);
sample->obs_domain_id = ntohl(nas->obs_domain_id);
sample->obs_point_id = ntohl(nas->obs_point_id);
if (sample->probability == 0) {
return OFPERR_OFPBAC_BAD_ARGUMENT;
}
return 0;
}
static enum ofperr
decode_nxast_action(const union ofp_action *a, enum ofputil_action_code *code)
{
@@ -434,6 +453,11 @@ ofpact_from_nxast(const union ofp_action *a, enum ofputil_action_code code,
ofpact_put_POP_MPLS(out)->ethertype = nxapm->ethertype;
break;
}
case OFPUTIL_NXAST_SAMPLE:
error = sample_from_openflow(
(const struct nx_action_sample *) a, out);
break;
}
return error;
@@ -1199,6 +1223,9 @@ ofpact_check__(const struct ofpact *a, const struct flow *flow, int max_ports,
*dl_type = ofpact_get_POP_MPLS(a)->ethertype;
return 0;
case OFPACT_SAMPLE:
return 0;
case OFPACT_CLEAR_ACTIONS:
case OFPACT_WRITE_METADATA:
case OFPACT_GOTO_TABLE:
@@ -1393,6 +1420,19 @@ ofpact_fin_timeout_to_nxast(const struct ofpact_fin_timeout *fin_timeout,
naft->fin_hard_timeout = htons(fin_timeout->fin_hard_timeout);
}
static void
ofpact_sample_to_nxast(const struct ofpact_sample *os,
struct ofpbuf *out)
{
struct nx_action_sample *nas;
nas = ofputil_put_NXAST_SAMPLE(out);
nas->probability = htons(os->probability);
nas->collector_set_id = htonl(os->collector_set_id);
nas->obs_domain_id = htonl(os->obs_domain_id);
nas->obs_point_id = htonl(os->obs_point_id);
}
static void
ofpact_to_nxast(const struct ofpact *a, struct ofpbuf *out)
{
@@ -1489,6 +1529,10 @@ ofpact_to_nxast(const struct ofpact *a, struct ofpbuf *out)
ofpact_get_POP_MPLS(a)->ethertype;
break;
case OFPACT_SAMPLE:
ofpact_sample_to_nxast(ofpact_get_SAMPLE(a), out);
break;
case OFPACT_OUTPUT:
case OFPACT_ENQUEUE:
case OFPACT_SET_VLAN_VID:
@@ -1621,6 +1665,7 @@ ofpact_to_openflow10(const struct ofpact *a, struct ofpbuf *out)
case OFPACT_EXIT:
case OFPACT_PUSH_MPLS:
case OFPACT_POP_MPLS:
case OFPACT_SAMPLE:
ofpact_to_nxast(a, out);
break;
}
@@ -1784,6 +1829,7 @@ ofpact_to_openflow11(const struct ofpact *a, struct ofpbuf *out)
case OFPACT_MULTIPATH:
case OFPACT_NOTE:
case OFPACT_EXIT:
case OFPACT_SAMPLE:
ofpact_to_nxast(a, out);
break;
}
@@ -1912,6 +1958,7 @@ ofpact_outputs_to_port(const struct ofpact *ofpact, uint16_t port)
case OFPACT_EXIT:
case OFPACT_PUSH_MPLS:
case OFPACT_POP_MPLS:
case OFPACT_SAMPLE:
case OFPACT_CLEAR_ACTIONS:
case OFPACT_GOTO_TABLE:
default:
@@ -2003,6 +2050,7 @@ ofpact_format(const struct ofpact *a, struct ds *s)
const struct ofpact_controller *controller;
const struct ofpact_metadata *metadata;
const struct ofpact_tunnel *tunnel;
const struct ofpact_sample *sample;
uint16_t port;
switch (a->type) {
@@ -2204,6 +2252,15 @@ ofpact_format(const struct ofpact *a, struct ds *s)
ds_put_cstr(s, "exit");
break;
case OFPACT_SAMPLE:
sample = ofpact_get_SAMPLE(a);
ds_put_format(
s, "sample(probability=%"PRIu16",collector_set_id=%"PRIu32
",obs_domain_id=%"PRIu32",obs_point_id=%"PRIu32")",
sample->probability, sample->collector_set_id,
sample->obs_domain_id, sample->obs_point_id);
break;
case OFPACT_CLEAR_ACTIONS:
ds_put_format(s, "%s",
ofpact_instruction_name_from_type(