Update Traffic Engineering Support for OSPFD

NOTE: I am squashing several commits together because they
do not independently compile and we need this ability to
do any type of sane testing on the patches.  Since this
series builds together I am doing this. -DBS

This new structure is the basis to get new link parameters for
Traffic Engineering from Zebra/interface layer to OSPFD and ISISD
for the support of Traffic Engineering

* lib/if.[c,h]: link parameters struture and get/set functions
* lib/command.[c,h]: creation of a new link-node
* lib/zclient.[c,h]: modification to the ZBUS message to convey the
link parameters structure
* lib/zebra.h: New ZBUS message

Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>

Add support for IEEE 754 format

* lib/stream.[c,h]: Add stream_get{f,d} and stream_put{f,d}) demux and muxers to
  safely convert between big-endian IEEE-754 single and double binary
  format, as used in IETF RFCs, and C99.  Implementation depends on host
  using __STDC_IEC_559__, which should be everything we care about.  Should
  correctly error out otherwise.
* lib/network.[c,h]: Add ntohf and htonf converter
* lib/memtypes.c: Add new memeory type for Traffic Engineering support

Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>

Add link parameters support to Zebra

* zebra/interface.c:
   - Add new link-params CLI commands
   - Add new functions to set/get link parameters for interface
* zebra/redistribute.[c,h]: Add new function to propagate link parameters
to routing daemon (essentially OSPFD and ISISD) for Traffic Engineering.
* zebra/redistribute_null.c: Add new function
zebra_interface_parameters_update()
* zebra/zserv.[c,h]: Add new functions to send link parameters

Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>

Add support of new link-params CLI to vtysh

In vtysh_config.c/vtysh_config_parse_line(), it is not possible to continue
to use the ordered version for adding line i.e. config_add_line_uniq() to print
Interface CLI commands as it completely break the new LINK_PARAMS_NODE.

Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>

Update Traffic Engineering support for OSPFD

These patches update original code to RFC3630 (OSPF-TE) and add support of
RFC5392 (Inter-AS v2) & RFC7471 (TE metric extensions) and partial support
of RFC6827 (ASON - GMPLS).

* ospfd/ospf_dump.[c,h]: Add new dump functions for Traffic Engineering
* ospfd/ospf_opaque.[c,h]: Add new TLV code points for RFC5392
* ospfd/ospf_packet.c: Update checking of OSPF_OPTION
* ospfd/ospf_vty.[c,h]: Update ospf_str2area_id
* ospfd/ospf_zebra.c: Add new function ospf_interface_link_params() to get
Link Parameters information from the interface to populate Traffic Engineering
metrics
* ospfd/ospfd.[c,h]: Update OSPF_OPTION flags (T -> MT and new DN)
* ospfd/ospf_te.[c,h]: Major modifications to update the code to new
link parameters structure and new RFCs

Signed-off-by: Olivier Dugeon <olivier.dugeon@orange.com>

tmp

1 files changed, 44 insertions, 0 deletions

diff --git a/lib/stream.c b/lib/stream.c
index fe77e2a2ad..809e749fb9 100644
--- a/lib/stream.c
+++ b/lib/stream.c
@@ -543,6 +543,28 @@ stream_get_ipv4 (struct stream *s)
   return l;
 }
 
+float
+stream_getf (struct stream *s)
+{
+  union {
+    float r;
+    uint32_t d;
+  } u;
+  u.d = stream_getl (s);
+  return u.r;
+}
+
+double
+stream_getd (struct stream *s)
+{
+  union {
+    double r;
+    uint64_t d;
+  } u;
+  u.d = stream_getq (s);
+  return u.r;
+}
+
 /* Copy to source to stream.
  *
  * XXX: This uses CHECK_SIZE and hence has funny semantics -> Size will wrap
@@ -671,6 +693,28 @@ stream_putq (struct stream *s, uint64_t q)
 }
 
 int
+stream_putf (struct stream *s, float f)
+{
+  union {
+    float i;
+    uint32_t o;
+  } u;
+  u.i = f;
+  return stream_putl (s, u.o);
+}
+
+int
+stream_putd (struct stream *s, double d)
+{
+  union {
+    double i;
+    uint64_t o;
+  } u;
+  u.i = d;
+  return stream_putq (s, u.o);
+}
+
+int
 stream_putc_at (struct stream *s, size_t putp, u_char c)
 {
   STREAM_VERIFY_SANE(s);