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This function is not used anymore since commit fb1d2a2d9.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
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This patch introduces show show bgp evpn commands to dump
NLRI entries configured or received on BGP, related to EVPN
New command introduced is the following:
show [ip] bgp l2vpn evpn [all | rd <rd name> ] [overlay]
Like for MPLS, similar set of commands is added for EVPN:
show [ip] bgp l2vpn evpn [all|rd <RDNAME>]
show [ip] bgp l2vpn evpn all neighbor <NEIGHBOR> routes
show [ip] bgp l2vpn evpn all neighbor <NEIGHBOR> advertised-routes
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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Merged pull request with master
Conflicts:
bgpd/bgp_mplsvpn.c
bgpd/bgp_route.c
bgpd/rfapi/rfapi_vty.c
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Issued ID'ed by regression
Signed-off-by: Lou Berger <lberger@labn.net>
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The commit is removed duplicated command show ip bgp ipv4|ipv6 enca|vpn
command that is conflicting between bgp_route.c and
bgp_mplsvpn.c/bgp_encap.c files. The fix is integrating the call to
specific mpls or encap settings from inside bgp_show_route() function.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
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add add/clear vrf prefix
+ Modified for FRR master parser
Signed-off-by: Lou Berger <lberger@labn.net>
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Use KEEP_OLD_VPN_COMMANDS define to brace some vty commands used by bgp
to configure or show vpnvx contexts using old method, that is to say
using vty keyword vpnv4 or vpnv6 command.
In addition to this, the commit adds two new commands under route-map
with new format:
[no] set ipv4|ipv6 vpn nexthop <IPv4 Address> | <IPv6 Address>
It also add following command in old format:
[no] set vpnv6 nexthop <IPv6 Address>
Note that the commit does not take into account the availability of old
commands that are not available in new format.
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com
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* bgpd parses NLRIs twice, a first pass "sanity check" and then a second pass
that changes actual state. For most AFI/SAFIs this is done by
bgp_nlri_sanity_check and bgp_nlri_parse, which are almost identical.
As the required action on a syntactic error in an NLRI is to NOTIFY and
shut down the session, it should be acceptable to just do a one pass
parse. There is no need to atomically handle the NLRIs.
* bgp_route.h: (bgp_nlri_sanity_check) Delete
* bgp_route.c: (bgp_nlri_parse) Make the prefixlen size check more general
and don't hard-code AFI/SAFI details, e.g. use prefix_blen library function.
Add error logs consistent with bgp_nlri_sanity_check as much as possible.
Add a "defense in depth" type check of the prefixlen against the sizeof
the (struct prefix) storage - ala bgp_nlri_parse_vpn.
Update standards text from draft RFC4271 to the actual RFC4271 text.
Extend the semantic consistency test of IPv6. E.g. it should skip mcast
NLRIs for unicast safi as v4 does.
* bgp_mplsvpn.{c,h}: Delete bgp_nlri_sanity_check_vpn and make
bgp_nlri_parse_vpn_body the bgp_nlri_parse_vpn function again.
(bgp_nlri_parse_vpn) Remove the notifies. The sanity checks were
responsible for this, but bgp_update_receive handles sending NOTIFY
generically for bgp_nlri_parse.
* bgp_attr.c: (bgp_mp_reach_parse,bgp_mp_unreach_parse) Delete sanity check.
NLRI parsing done after attr parsing by bgp_update_receive.
Arising out of discussions on the need for two-pass NLRI parse with:
Lou Berger <lberger@labn.net>
Donald Sharp <sharpd@cumulusnetworks.com>
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* bgp_route.h: (bgp_nlri_sanity_check) The bulk of the args are equivalent
to a (struct bgp_nlri), consolidate.
* bgp_route.c: (bgp_nlri_sanity_check) Make this a frontend for all afi/safis.
Including SAFI_MPLS_LABELED_VPN.
(bgp_nlri_sanity_check_ip) Regular IP NLRI sanity check based on the
existing code, and adjusted for (struct bgp_nlri *) arg.
* bgp_attr.c: (bgp_mp_reach_parse) Adjust for passing (struct bgp_nlri *)
to bgp_nlri_sanity_check.
Get rid of special-casing to not sanity check VPN.
(bgp_mp_unreach_parse) Ditto.
* bgp_mplsvpn.c: Use the same VPN parsing code for both the sanity
check and the actual parse.
(bgp_nlri_parse_vpn) renamed to bgp_nlri_parse_vpn_body and made
internal.
(bgp_nlri_parse_vpn_body) Added (bool) argument to control whether it
is sanity checking or whether it should update routing state for each
NLRI. Send a NOTIFY and reset the session, if there's a parsing
error, as bgp_nlri_sanity_check_ip does, and as is required by the
RFC.
(bgp_nlri_parse_vpn) now a wrapper to call _body with update.
(bgp_nlri_sanity_check_vpn) wrapper to call parser without
updating.
* bgp_mplsvpn.h: (bgp_nlri_sanity_check_vpn) export for
bgp_nlri_sanity_check.
* bgp_packet.c: (bgp_update_receive) Adjust for bgp_nlri_sanity_check
argument changes.
* test/bgp_mp_attr_test.c: Extend to also test the NLRI parsing functions,
if the initial MP-attr parsing has succeeded. Fix the NLRI in the
VPN cases. Add further VPN tests.
* tests/bgpd.tests/testbgpmpattr.exp: Add the new test cases.
This commit a joint effort of:
Lou Berger <lberger@labn.net>
Donald Sharp <sharpd@cumulusnetworks.com>
Paul Jakma <paul.jakma@hpe.com> / <paul@jakma.org>
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This feature adds an L3 & L2 VPN application that makes use of the VPN
and Encap SAFIs. This code is currently used to support IETF NVO3 style
operation. In NVO3 terminology it provides the Network Virtualization
Authority (NVA) and the ability to import/export IP prefixes and MAC
addresses from Network Virtualization Edges (NVEs). The code supports
per-NVE tables.
The NVE-NVA protocol used to communicate routing and Ethernet / Layer 2
(L2) forwarding information between NVAs and NVEs is referred to as the
Remote Forwarder Protocol (RFP). OpenFlow is an example RFP. For
general background on NVO3 and RFP concepts see [1]. For information on
Openflow see [2].
RFPs are integrated with BGP via the RF API contained in the new "rfapi"
BGP sub-directory. Currently, only a simple example RFP is included in
Quagga. Developers may use this example as a starting point to integrate
Quagga with an RFP of their choosing, e.g., OpenFlow. The RFAPI code
also supports the ability import/export of routing information between
VNC and customer edge routers (CEs) operating within a virtual
network. Import/export may take place between BGP views or to the
default zebera VRF.
BGP, with IP VPNs and Tunnel Encapsulation, is used to distribute VPN
information between NVAs. BGP based IP VPN support is defined in
RFC4364, BGP/MPLS IP Virtual Private Networks (VPNs), and RFC4659,
BGP-MPLS IP Virtual Private Network (VPN) Extension for IPv6 VPN . Use
of both the Encapsulation Subsequent Address Family Identifier (SAFI)
and the Tunnel Encapsulation Attribute, RFC5512, The BGP Encapsulation
Subsequent Address Family Identifier (SAFI) and the BGP Tunnel
Encapsulation Attribute, are supported. MAC address distribution does
not follow any standard BGB encoding, although it was inspired by the
early IETF EVPN concepts.
The feature is conditionally compiled and disabled by default.
Use the --enable-bgp-vnc configure option to enable.
The majority of this code was authored by G. Paul Ziemba
<paulz@labn.net>.
[1] http://tools.ietf.org/html/draft-ietf-nvo3-nve-nva-cp-req
[2] https://www.opennetworking.org/sdn-resources/technical-library
Now includes changes needed to merge with cmaster-next.
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decode_rd_... apis are declared global in bgp_mplsvpn.c
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This fixes some minor mixups particularly in MPLS-related SAFIs, as well
as doing some stylistic changes & adding comments.
Signed-off-by: Lou Berger <lberger@labn.net>
Reviewed-by: David Lamparter <equinox@opensourcerouting.org>
(cherry picked from commit 050defe816e4bd4cac7b028f69e45cb1974ca96d)
Conflicts:
bgpd/bgp_attr.c
bgpd/bgp_attr.h
bgpd/bgp_packet.c
bgpd/bgp_route.c
bgpd/bgp_route.h
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There wasn't much missing for VPNv6 to begin with; just a few bits of
de- & encoding and a few lists to be updated.
Signed-off-by: Lou Berger <lberger@labn.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
[Editorial note: Signed-off-by may imply an authorship claim, but need not]
Edited-by: Paul Jakma <paul.jakma@hpe.com> / <paul@jakma.org>
(cherry picked from commit 9da04bca0e994ec92b9242159bf27d89c6743354)
Conflicts:
bgpd/bgp_attr.c
bgpd/bgp_mplsvpn.c
bgpd/bgpd.c
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Signed-off-by: Lou Berger <lberger@labn.net>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
(cherry picked from commit a03bd16eedc5077e98716509b8918ed365227e02)
Conflicts:
bgpd/bgp_mplsvpn.c
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* (global) The great bgpd extern and static'ification.
* bgp_routemap.c: remove unused ROUTE_MATCH_ASPATH_OLD code
(route_set_metric_compile) fix u_int32_t to ULONG_MAX comparison
warnings.
* bgp_route.h: (bgp_process, bgp_withdraw, bgp_update) export these
used by various files which had their own private declarations,
in the case of mplsvpn - incorrect.
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* bgp_fsm.h: Add extern qualifier to exported functions
* bgp_nexthop.c: add static to nexthop specific globals
* *.h: Add guard defines
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* (global) more const'ification and fixups of types to clean up code.
* bgp_mplsvpn.{c,h}: (str2tag) fix abuse. Still not perfect,
should use something like the VTY_GET_INTEGER macro, but without
the vty_out bits..
* bgp_routemap.c: (set_aggregator_as) use VTY_GET_INTEGER_RANGE
(no_set_aggregator_as) ditto.
* bgpd.c: (peer_uptime) fix unlikely bug, where no buffer is
returned, add comments about troublesome return value.
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* type mismatch fixes
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