Support of FRR7.5

This commit works with FRR7.5 when "version = 6" is specified in zebra.config
- Changes Zebra internal API commands to FRR7.5 which is incompatible with older version.
- Changes SendHello() to include AFI
- Changes SendRouteIDAdd() to include AFI
- Changes decodeFromBytes/serialize of IPRouteBody and NexthopUpdateBody, because size of MESSAGE_FALG is changed.

1 files changed, 16 insertions, 13 deletions

diff --git a/docs/sources/zebra.md b/docs/sources/zebra.md
index 7c0b8881..fe7b8bda 100644
--- a/docs/sources/zebra.md
+++ b/docs/sources/zebra.md
@@ -50,25 +50,27 @@ You need to enable the zebra feature in the Global configuration as follows.
   To enable the Next-Hop Tracking features, please specify `3` or later.
   For connecting to FRRouting 3.0.x, please specify `4`.
   For connecting to FRRouting 5.0.x, please specify `5`.
-  For connecting to FRRouting 7.3.x, please specify `6`.
+  For connecting to FRRouting 7.5.x, please specify `6`.
 
 - `mpls-label-range-size` specifies mpls label range size for
   requesting to Zebra. It works with FRRouting 5.0.x, FRRouting 6.0.x,
-  FRRouting 7.0.x, FRRouting 7.1.x and FRRouting 7.2.x.
+  FRRouting 7.0.x, FRRouting 7.1.x, FRRouting 7.2.x, FRRouting 7.3.x
+  and FRRouting 7.5.x.
 
 - `sotware-name` specifies software name for zebra when only `version`
   configuration cannot specify software uniquely. This configuration
   is used with 'version' configuration. For connecting to FRRouting
-  7.2.x, please specify `6` as `version` and `frr7.2` as
-  `software-name`. For connecting to FRRouting 7.1.x and 7.0.x, please
-  specify `6` as `version` and `frr7` as `software-name`. For
-  connecting to FRRouting 6.0.x, please specify `6` as `version` and
-  `frr6` as `software-name`.  For connecting to FRRouting 4.0.x,
-  please specify `5` as `version` and `frr4` as `software-name`. For
-  connecting to Cumulus Linux please specify `5` as `version` and
-  `cumulus` as `software-name`. GoBGP is tested with Cumulus Linux VX
-  3.7.7 whose zebra version is 4.0+cl3u13 and its Zebra API version is
-  5.
+  7.3.x, please specify `6` as `version` and `frr7.3` as
+  `software-name`. For connecting to FRRouting 7.2.x, please specify
+  `6` as `version` and `frr7.2` as `software-name`. For connecting to
+  FRRouting 7.1.x and 7.0.x, please specify `6` as `version` and
+  `frr7` as `software-name`. For connecting to FRRouting 6.0.x, please
+  specify `6` as `version` and `frr6` as `software-name`.  For
+  connecting to FRRouting 4.0.x, please specify `5` as `version` and
+  `frr4` as `software-name`. For connecting to Cumulus Linux please
+  specify `5` as `version` and `cumulus` as `software-name`. GoBGP is
+  tested with Cumulus Linux VX 3.7.7 whose zebra version is 4.0+cl3u13
+  and its Zebra API version is 5.
 
 ### Summary of combination of version and software-name configrations
 
@@ -80,7 +82,8 @@ You need to enable the zebra feature in the Global configuration as follows.
 |5      |             |FRRouting 5.0.x          |                     |
 |5      |cumulus      |Cumulus Linux VX 3.7.7   |                     |
 |5      |frr4         |FRRouting 4.0.x          |                     |
-|6      |             |FRRouting 7.3.x and 7.4.x|stable version of frr|
+|6      |             |FRRouting 7.5.x          |                     |
+|6      |frr7.3       |FRRouting 7.3.x          |                     |
 |6      |frr7.2       |FRRouting 7.2.x          |Ubuntu 20.04         |
 |6      |frr7         |FRRouting 7.0.x and 7.1.x|CentOS8              |
 |6      |frr6         |FRRouting 6.0.x          |                     |