T7805: VPP remove unused 'default-hugepage-size' from memory section and restrict page sizes in xml

3 files changed, 13 insertions, 63 deletions

diff --git a/python/vyos/vpp/config_resource_checks/memory.py b/python/vyos/vpp/config_resource_checks/memory.py
index ea4697ba2..03fe097e9 100644
--- a/python/vyos/vpp/config_resource_checks/memory.py
+++ b/python/vyos/vpp/config_resource_checks/memory.py
@@ -21,10 +21,7 @@ import re
 import psutil
 
 from vyos.utils.process import cmd
-from vyos.vpp.utils import (
-    human_memory_to_bytes,
-    human_page_memory_to_bytes,
-)
+from vyos.vpp.utils import human_memory_to_bytes
 from vyos.vpp.config_resource_checks.resource_defaults import default_resource_map
 
 
@@ -53,7 +50,7 @@ def get_hugepages_info() -> dict:
 
     for entry in os.listdir(base_path):
         page_size_kb = entry[10:]
-        page_size = human_page_memory_to_bytes(page_size_kb)
+        page_size = human_memory_to_bytes(page_size_kb)
         key = classify_page_size(page_size)
         info[key] = {}
 
@@ -94,44 +91,30 @@ def get_numa_count():
 
 
 def buffer_page_size(settings: dict) -> int:
-    page_size = settings.get('buffers', {}).get('page_size', 'default')
-    return human_page_memory_to_bytes(page_size)
+    page_size = settings.get('buffers', {}).get('page_size')
+    return human_memory_to_bytes(page_size)
 
 
 def buffer_size(settings: dict) -> int:
     numa_count = get_numa_count()
-    buffers_per_numa = int(
-        settings.get('buffers', {}).get(
-            'buffers_per_numa', default_resource_map.get('buffers_per_numa')
-        )
-    )
-    data_size = int(
-        settings.get('buffers', {}).get(
-            'data_size', default_resource_map.get('data_size')
-        )
-    )
+    buffers_per_numa = int(settings.get('buffers').get('buffers_per_numa'))
+    data_size = int(settings.get('buffers').get('data_size'))
     buffers_memory = buffers_per_numa * data_size * numa_count
     return buffers_memory
 
 
 def main_heap_page_size(settings: dict) -> int:
-    heap_page_size = settings.get('memory', {}).get(
-        'main_heap_page_size', default_resource_map.get('main_heap_page_size')
-    )
-    return human_page_memory_to_bytes(heap_page_size)
+    heap_page_size = settings.get('memory').get('main_heap_page_size')
+    return human_memory_to_bytes(heap_page_size)
 
 
 def memory_main_heap(settings: dict) -> int:
-    heap_size = settings.get('memory', {}).get(
-        'main_heap_size', default_resource_map.get('main_heap_size')
-    )
+    heap_size = settings.get('memory').get('main_heap_size')
     return human_memory_to_bytes(heap_size)
 
 
 def ipv6_heap_size(settings: dict) -> int:
-    heap_size = settings.get('ipv6', {}).get(
-        'heap_size', default_resource_map.get('ipv6_heap_size')
-    )
+    heap_size = settings.get('ipv6').get('heap_size')
     return human_memory_to_bytes(heap_size)
 
 
@@ -140,15 +123,13 @@ def total_heap_size(heap_size: int, heap_page_size: int) -> int:
 
 
 def statseg_size(settings: dict) -> int:
-    statseg_memory = settings.get('statseg', {}).get(
-        'size', default_resource_map.get('statseg_heap_size')
-    )
+    statseg_memory = settings.get('statseg').get('size')
     return human_memory_to_bytes(statseg_memory)
 
 
 def statseg_page_size(settings: dict) -> int:
-    page_size = settings.get('statseg', {}).get('page_size')
-    return human_page_memory_to_bytes(page_size)
+    page_size = settings.get('statseg').get('page_size')
+    return human_memory_to_bytes(page_size)
 
 
 def total_statseg_size(_statseg_size: int, _statseg_page: int) -> int:
diff --git a/python/vyos/vpp/config_resource_checks/resource_defaults.py b/python/vyos/vpp/config_resource_checks/resource_defaults.py
index d8316fcaf..71a98703e 100644
--- a/python/vyos/vpp/config_resource_checks/resource_defaults.py
+++ b/python/vyos/vpp/config_resource_checks/resource_defaults.py
@@ -18,26 +18,12 @@
 
 
 default_resource_map = {
-    # Default amount of buffers per NUMA (populated CPU socket)
-    'buffers_per_numa': 16384,
-    # Default size of buffer (in bytes)
-    'data_size': 2048,
-    # Default hugepage size for VPP
-    'hugepage_size': '2M',
-    # Default amount of memory allocated for VPP exclusive usage
-    'main_heap_size': '3G',
-    # Default main heap page size
-    'main_heap_page_size': '2M',
     # Default size of buffers transferred via netlink
     'netlink_rx_buffer_size': 212992,
-    # Default amount of memory allocated for VPP stats segment usage
-    'statseg_heap_size': '128M',
     # Minimal amount of memory required to start VPP
     'min_memory': '8G',
     # Minimal number of physical CPU cores required to start VPP
     'min_cpus': 4,
     # Reserve at least 2 physical cores
     'reserved_cpu_cores': 2,
-    # Default heap size for IPv6
-    'ipv6_heap_size': '32M',
 }
diff --git a/python/vyos/vpp/utils.py b/python/vyos/vpp/utils.py
index 4e42232cd..963423e2b 100644
--- a/python/vyos/vpp/utils.py
+++ b/python/vyos/vpp/utils.py
@@ -330,23 +330,6 @@ def bytes_to_human_memory(value: int, unit: str) -> str | None:
     return f'{val}{unit}' if val else None
 
 
-def human_page_memory_to_bytes(value: str) -> int:
-    """
-    Convert a human-readable vpp page size format to a byte value.
-
-    :param value: The string memory size in vpp human-readable format.
-    :return: A int representing the value.
-    """
-    default = {
-        'default': get_default_page_size,
-        'default-hugepage': get_default_hugepage_size,
-    }
-    try:
-        return default[value]()
-    except KeyError:
-        return human_memory_to_bytes(value)
-
-
 class EthtoolGDrvinfo:
     """Return interface details like `ethtol -i` does"""