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-rwxr-xr-xsrc/tools/vppapigen/vppapigen_c.py42
1 files changed, 27 insertions, 15 deletions
diff --git a/src/tools/vppapigen/vppapigen_c.py b/src/tools/vppapigen/vppapigen_c.py
index 2cd3c7989b3..3cd52df1ad0 100755
--- a/src/tools/vppapigen/vppapigen_c.py
+++ b/src/tools/vppapigen/vppapigen_c.py
@@ -1143,12 +1143,20 @@ ENDIAN_STRINGS = {
}
-def get_endian_string(o, fieldtype):
+def get_endian_string(fieldtype):
"""Return proper endian string conversion function"""
return ENDIAN_STRINGS[fieldtype]
-def endianfun_array(o):
+def get_lengthfield_type(fieldname, block):
+ """Return the type of the length field"""
+ for o in block:
+ if o.fieldname == fieldname:
+ return o.fieldtype
+ return None
+
+
+def endianfun_array(o, block):
"""Generate endian functions for arrays"""
forloop = """\
ASSERT((u32){length} <= (u32)VL_API_MAX_ARRAY_SIZE);
@@ -1167,12 +1175,16 @@ def endianfun_array(o):
if o.fieldtype == "u8" or o.fieldtype == "string" or o.fieldtype == "bool":
output += " /* a->{n} = a->{n} (no-op) */\n".format(n=o.fieldname)
else:
- lfield = "a->" + o.lengthfield if o.lengthfield else o.length
+ # lfield = "a->" + o.lengthfield if o.lengthfield else o.length
if o.lengthfield:
- output += (
- f" u32 count = to_net ? clib_host_to_net_u32(a->{o.lengthfield}) : "
- f"a->{o.lengthfield};\n"
- )
+ fieldtype = get_lengthfield_type(o.lengthfield, block)
+ if fieldtype == "u8":
+ output += f" u32 count = a->{o.lengthfield};\n"
+ else:
+ output += (
+ f" u32 count = to_net ? {get_endian_string(fieldtype)}(a->{o.lengthfield}) : "
+ f"a->{o.lengthfield};\n"
+ )
lfield = "count"
else:
lfield = o.length
@@ -1180,7 +1192,7 @@ def endianfun_array(o):
if o.fieldtype in ENDIAN_STRINGS:
output += forloop.format(
length=lfield,
- format=get_endian_string(o, o.fieldtype),
+ format=get_endian_string(o.fieldtype),
name=o.fieldname,
)
else:
@@ -1193,11 +1205,11 @@ def endianfun_array(o):
NO_ENDIAN_CONVERSION = {"client_index": None}
-def endianfun_obj(o):
+def endianfun_obj(o, block):
"""Generate endian conversion function for type"""
output = ""
if o.type == "Array":
- return endianfun_array(o)
+ return endianfun_array(o, block)
if o.type != "Field":
output += ' s = format(s, "\\n{} {} {} (print not implemented");\n'.format(
o.type, o.fieldtype, o.fieldname
@@ -1208,7 +1220,7 @@ def endianfun_obj(o):
return output
if o.fieldtype in ENDIAN_STRINGS:
output += " a->{name} = {format}(a->{name});\n".format(
- name=o.fieldname, format=get_endian_string(o, o.fieldtype)
+ name=o.fieldname, format=get_endian_string(o.fieldtype)
)
elif o.fieldtype.startswith("vl_api_"):
output += " {type}_endian(&a->{name}, to_net);\n".format(
@@ -1252,7 +1264,7 @@ static inline void vl_api_{name}_t_endian (vl_api_{name}_t *a, bool to_net)
if t.__class__.__name__ == "Enum" or t.__class__.__name__ == "EnumFlag":
output += signature.format(name=t.name)
if t.enumtype in ENDIAN_STRINGS:
- output += " *a = {}(*a);\n".format(get_endian_string(t, t.enumtype))
+ output += " *a = {}(*a);\n".format(get_endian_string(t.enumtype))
else:
output += " /* a->{name} = a->{name} (no-op) */\n".format(
name=t.name
@@ -1273,7 +1285,7 @@ static inline void vl_api_{name}_t_endian (vl_api_{name}_t *a, bool to_net)
)
elif t.alias["type"] in FORMAT_STRINGS:
output += " *a = {}(*a);\n".format(
- get_endian_string(t, t.alias["type"])
+ get_endian_string(t.alias["type"])
)
else:
output += " /* Not Implemented yet {} */".format(t.name)
@@ -1283,7 +1295,7 @@ static inline void vl_api_{name}_t_endian (vl_api_{name}_t *a, bool to_net)
output += signature.format(name=t.name)
for o in t.block:
- output += endianfun_obj(o)
+ output += endianfun_obj(o, t.block)
output += "}\n\n"
output += "\n#endif"
@@ -1349,7 +1361,7 @@ static inline uword vl_api_{name}_t_calc_size (vl_api_{name}_t *a)
)
lf = m[0]
if lf.fieldtype in ENDIAN_STRINGS:
- output += f" + {get_endian_string(b, lf.fieldtype)}(a->{b.lengthfield}) * sizeof(a->{b.fieldname}[0])"
+ output += f" + {get_endian_string(lf.fieldtype)}(a->{b.lengthfield}) * sizeof(a->{b.fieldname}[0])"
elif lf.fieldtype == "u8":
output += (
f" + a->{b.lengthfield} * sizeof(a->{b.fieldname}[0])"