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Extend OVS IPFIX exporter to export tunnel headers

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Extend IPFIX exporter to export tunnel headers when both input and output
of the port.
Add three other_config options in IPFIX table: enable-input-sampling,
enable-output-sampling and enable-tunnel-sampling, to control whether
sampling tunnel info, on which direction (input or output).
Insert sampling action before output action and the output tunnel port
is sent to datapath in the sampling action.
Make datapath collect output tunnel info and send it back to userpace
in upcall message with a new additional optional attribute.
Add a tunnel ports map to make the tunnel port lookup faster in sampling
upcalls in IPFIX exporter. Make the IPFIX exporter generate IPFIX template
sets with enterprise elements for the tunnel info, save the tunnel info
in IPFIX cache entries, and send IPFIX DATA with tunnel info.
Add flowDirection element in IPFIX templates.

Signed-off-by: Wenyu Zhang <wenyuz@vmware.com>
Acked-by: Romain Lenglet <rlenglet@vmware.com>
Acked-by: Ben Pfaff <blp@nicira.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Wenyu Zhang
2014-08-17 20:19:36 -07:00
committed by Pravin B Shelar
parent 84067a4c1a
commit 8b7ea2d480
34 changed files with 1195 additions and 226 deletions
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2
lib/dpif-linux.c
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@@ -1653,6 +1653,7 @@ parse_odp_packet(struct ofpbuf *buf, struct dpif_upcall *upcall,
/* OVS_PACKET_CMD_ACTION only. */
[OVS_PACKET_ATTR_USERDATA] = { .type = NL_A_UNSPEC, .optional = true },
[OVS_PACKET_ATTR_EGRESS_TUN_KEY] = { .type = NL_A_NESTED, .optional = true },
};
struct ovs_header *ovs_header;
@@ -1687,6 +1688,7 @@ parse_odp_packet(struct ofpbuf *buf, struct dpif_upcall *upcall,
nl_attr_get(a[OVS_PACKET_ATTR_KEY]));
upcall->key_len = nl_attr_get_size(a[OVS_PACKET_ATTR_KEY]);
upcall->userdata = a[OVS_PACKET_ATTR_USERDATA];
upcall->out_tun_key = a[OVS_PACKET_ATTR_EGRESS_TUN_KEY];
/* Allow overwriting the netlink attribute header without reallocating. */
ofpbuf_use_stub(&upcall->packet,