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tools: ynl-gen: generate alloc and free helpers for req

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We expect user to allocate requests with calloc(),
make things a bit more consistent and provide helpers.
Generate free calls, too.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2023-06-01 19:35:46 -07:00
parent dc0956c98f
commit 5d58f911c7
1 changed files with 17 additions and 0 deletions
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17
tools/net/ynl/ynl-gen-c.py
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@ -1476,6 +1476,14 @@ def free_arg_name(direction):
return 'obj'
def print_alloc_wrapper(ri, direction):
name = op_prefix(ri, direction)
ri.cw.write_func_prot(f'static inline struct {name} *', f"{name}_alloc", [f"void"])
ri.cw.block_start()
ri.cw.p(f'return calloc(1, sizeof(struct {name}));')
ri.cw.block_end()
def print_free_prototype(ri, direction, suffix=';'):
name = op_prefix(ri, direction)
arg = free_arg_name(direction)
@ -1523,6 +1531,7 @@ def print_type_full(ri, struct):
def print_type_helpers(ri, direction, deref=False):
print_free_prototype(ri, direction)
ri.cw.nl()
if ri.ku_space == 'user' and direction == 'request':
for _, attr in ri.struct[direction].member_list():
@ -1531,6 +1540,7 @@ def print_type_helpers(ri, direction, deref=False):
def print_req_type_helpers(ri):
print_alloc_wrapper(ri, "request")
print_type_helpers(ri, "request")
@ -1554,6 +1564,12 @@ def print_req_type(ri):
print_type(ri, "request")
def print_req_free(ri):
if 'request' not in ri.op[ri.op_mode]:
return
_free_type(ri, 'request', ri.struct['request'])
def print_rsp_type(ri):
if (ri.op_mode == 'do' or ri.op_mode == 'dump') and 'reply' in ri.op[ri.op_mode]:
direction = 'reply'
@ -2344,6 +2360,7 @@ def main():
if 'do' in op and 'event' not in op:
cw.p(f"/* {op.enum_name} - do */")
ri = RenderInfo(cw, parsed, args.mode, op, op_name, "do")
print_req_free(ri)
print_rsp_free(ri)
parse_rsp_msg(ri)
print_req(ri)