T5958: QoS add basic implementation of policy shaper-hfsc

QoS policy shaper-hfsc was not implemented after rewriting the
traffic-policy to qos policy. We had CLI but it  does not use the
correct class. Add a basic implementation of policy shaper-hfsc.
Write the class `TrafficShaperHFS`

(cherry picked from commit f6b6ee636e34f98d336ee53599666afd1f395d78)

1 files changed, 2 insertions, 2 deletions

diff --git a/src/conf_mode/qos.py b/src/conf_mode/qos.py
index ad4121a49..40d7a6c16 100755
--- a/src/conf_mode/qos.py
+++ b/src/conf_mode/qos.py
@@ -149,7 +149,7 @@ def verify(qos):
                 if 'class' in policy_config:
                     for cls, cls_config in policy_config['class'].items():
                         # bandwidth is not mandatory for priority-queue - that is why this is on the exception list
-                        if 'bandwidth' not in cls_config and policy_type not in ['priority_queue', 'round_robin']:
+                        if 'bandwidth' not in cls_config and policy_type not in ['priority_queue', 'round_robin', 'shaper_hfsc']:
                             raise ConfigError(f'Bandwidth must be defined for policy "{policy}" class "{cls}"!')
                     if 'match' in cls_config:
                         for match, match_config in cls_config['match'].items():
@@ -173,7 +173,7 @@ def verify(qos):
                     if 'default' not in policy_config:
                         raise ConfigError(f'Policy {policy} misses "default" class!')
                 if 'default' in policy_config:
-                    if 'bandwidth' not in policy_config['default'] and policy_type not in ['priority_queue', 'round_robin']:
+                    if 'bandwidth' not in policy_config['default'] and policy_type not in ['priority_queue', 'round_robin', 'shaper_hfsc']:
                         raise ConfigError('Bandwidth not defined for default traffic!')
 
     # we should check interface ingress/egress configuration after verifying that