summaryrefslogtreecommitdiffstats
path: root/tools/net/ynl/ynl-gen-c.py
diff options
context:
space:
mode:
Diffstat (limited to 'tools/net/ynl/ynl-gen-c.py')
-rwxr-xr-xtools/net/ynl/ynl-gen-c.py124
1 files changed, 56 insertions, 68 deletions
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index c19dec2394..a451cbfbd7 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -40,14 +40,6 @@ class BaseNlLib:
def get_family_id(self):
return 'ys->family_id'
- def parse_cb_run(self, cb, data, is_dump=False, indent=1):
- ind = '\n\t\t' + '\t' * indent + ' '
- if is_dump:
- return f"mnl_cb_run2(ys->rx_buf, len, 0, 0, {cb}, {data},{ind}ynl_cb_array, NLMSG_MIN_TYPE)"
- else:
- return f"mnl_cb_run2(ys->rx_buf, len, ys->seq, ys->portid,{ind}{cb}, {data},{ind}" + \
- "ynl_cb_array, NLMSG_MIN_TYPE)"
-
class Type(SpecAttr):
def __init__(self, family, attr_set, attr, value):
@@ -88,6 +80,8 @@ class Type(SpecAttr):
value = self.checks.get(limit, default)
if value is None:
return value
+ elif value in self.family.consts:
+ return c_upper(f"{self.family['name']}-{value}")
if not isinstance(value, int):
value = limit_to_number(value)
return value
@@ -168,15 +162,6 @@ class Type(SpecAttr):
spec = self._attr_policy(policy)
cw.p(f"\t[{self.enum_name}] = {spec},")
- def _mnl_type(self):
- # mnl does not have helpers for signed integer types
- # turn signed type into unsigned
- # this only makes sense for scalar types
- t = self.type
- if t[0] == 's':
- t = 'u' + t[1:]
- return t
-
def _attr_typol(self):
raise Exception(f"Type policy not implemented for class type {self.type}")
@@ -192,7 +177,7 @@ class Type(SpecAttr):
ri.cw.p(f"{line};")
def _attr_put_simple(self, ri, var, put_type):
- line = f"mnl_attr_put_{put_type}(nlh, {self.enum_name}, {var}->{self.c_name})"
+ line = f"ynl_attr_put_{put_type}(nlh, {self.enum_name}, {var}->{self.c_name})"
self._attr_put_line(ri, var, line)
def attr_put(self, ri, var):
@@ -217,7 +202,7 @@ class Type(SpecAttr):
if not self.is_multi_val():
ri.cw.p("if (ynl_attr_validate(yarg, attr))")
- ri.cw.p("return MNL_CB_ERROR;")
+ ri.cw.p("return YNL_PARSE_CB_ERROR;")
if self.presence_type() == 'bit':
ri.cw.p(f"{var}->_present.{self.c_name} = 1;")
@@ -267,7 +252,7 @@ class TypeUnused(Type):
return []
def _attr_get(self, ri, var):
- return ['return MNL_CB_ERROR;'], None, None
+ return ['return YNL_PARSE_CB_ERROR;'], None, None
def _attr_typol(self):
return '.type = YNL_PT_REJECT, '
@@ -360,9 +345,6 @@ class TypeScalar(Type):
else:
self.type_name = '__' + self.type
- def mnl_type(self):
- return self._mnl_type()
-
def _attr_policy(self, policy):
if 'flags-mask' in self.checks or self.is_bitfield:
if self.is_bitfield:
@@ -390,10 +372,10 @@ class TypeScalar(Type):
return [f'{self.type_name} {self.c_name}{self.byte_order_comment}']
def attr_put(self, ri, var):
- self._attr_put_simple(ri, var, self.mnl_type())
+ self._attr_put_simple(ri, var, self.type)
def _attr_get(self, ri, var):
- return f"{var}->{self.c_name} = mnl_attr_get_{self.mnl_type()}(attr);", None, None
+ return f"{var}->{self.c_name} = ynl_attr_get_{self.type}(attr);", None, None
def _setter_lines(self, ri, member, presence):
return [f"{member} = {self.c_name};"]
@@ -407,7 +389,7 @@ class TypeFlag(Type):
return '.type = YNL_PT_FLAG, '
def attr_put(self, ri, var):
- self._attr_put_line(ri, var, f"mnl_attr_put(nlh, {self.enum_name}, 0, NULL)")
+ self._attr_put_line(ri, var, f"ynl_attr_put(nlh, {self.enum_name}, NULL, 0)")
def _attr_get(self, ri, var):
return [], None, None
@@ -449,15 +431,15 @@ class TypeString(Type):
cw.p(f"\t[{self.enum_name}] = {spec},")
def attr_put(self, ri, var):
- self._attr_put_simple(ri, var, 'strz')
+ self._attr_put_simple(ri, var, 'str')
def _attr_get(self, ri, var):
len_mem = var + '->_present.' + self.c_name + '_len'
return [f"{len_mem} = len;",
f"{var}->{self.c_name} = malloc(len + 1);",
- f"memcpy({var}->{self.c_name}, mnl_attr_get_str(attr), len);",
+ f"memcpy({var}->{self.c_name}, ynl_attr_get_str(attr), len);",
f"{var}->{self.c_name}[len] = 0;"], \
- ['len = strnlen(mnl_attr_get_str(attr), mnl_attr_get_payload_len(attr));'], \
+ ['len = strnlen(ynl_attr_get_str(attr), ynl_attr_data_len(attr));'], \
['unsigned int len;']
def _setter_lines(self, ri, member, presence):
@@ -496,15 +478,15 @@ class TypeBinary(Type):
return mem
def attr_put(self, ri, var):
- self._attr_put_line(ri, var, f"mnl_attr_put(nlh, {self.enum_name}, " +
- f"{var}->_present.{self.c_name}_len, {var}->{self.c_name})")
+ self._attr_put_line(ri, var, f"ynl_attr_put(nlh, {self.enum_name}, " +
+ f"{var}->{self.c_name}, {var}->_present.{self.c_name}_len)")
def _attr_get(self, ri, var):
len_mem = var + '->_present.' + self.c_name + '_len'
return [f"{len_mem} = len;",
f"{var}->{self.c_name} = malloc(len);",
- f"memcpy({var}->{self.c_name}, mnl_attr_get_payload(attr), len);"], \
- ['len = mnl_attr_get_payload_len(attr);'], \
+ f"memcpy({var}->{self.c_name}, ynl_attr_data(attr), len);"], \
+ ['len = ynl_attr_data_len(attr);'], \
['unsigned int len;']
def _setter_lines(self, ri, member, presence):
@@ -529,11 +511,11 @@ class TypeBitfield32(Type):
return f"NLA_POLICY_BITFIELD32({mask})"
def attr_put(self, ri, var):
- line = f"mnl_attr_put(nlh, {self.enum_name}, sizeof(struct nla_bitfield32), &{var}->{self.c_name})"
+ line = f"ynl_attr_put(nlh, {self.enum_name}, &{var}->{self.c_name}, sizeof(struct nla_bitfield32))"
self._attr_put_line(ri, var, line)
def _attr_get(self, ri, var):
- return f"memcpy(&{var}->{self.c_name}, mnl_attr_get_payload(attr), sizeof(struct nla_bitfield32));", None, None
+ return f"memcpy(&{var}->{self.c_name}, ynl_attr_data(attr), sizeof(struct nla_bitfield32));", None, None
def _setter_lines(self, ri, member, presence):
return [f"memcpy(&{member}, {self.c_name}, sizeof(struct nla_bitfield32));"]
@@ -566,7 +548,7 @@ class TypeNest(Type):
def _attr_get(self, ri, var):
get_lines = [f"if ({self.nested_render_name}_parse(&parg, attr))",
- "return MNL_CB_ERROR;"]
+ "return YNL_PARSE_CB_ERROR;"]
init_lines = [f"parg.rsp_policy = &{self.nested_render_name}_nest;",
f"parg.data = &{var}->{self.c_name};"]
return get_lines, init_lines, None
@@ -592,9 +574,6 @@ class TypeMultiAttr(Type):
def presence_type(self):
return 'count'
- def mnl_type(self):
- return self._mnl_type()
-
def _complex_member_type(self, ri):
if 'type' not in self.attr or self.attr['type'] == 'nest':
return self.nested_struct_type
@@ -628,9 +607,9 @@ class TypeMultiAttr(Type):
def attr_put(self, ri, var):
if self.attr['type'] in scalars:
- put_type = self.mnl_type()
+ put_type = self.type
ri.cw.p(f"for (unsigned int i = 0; i < {var}->n_{self.c_name}; i++)")
- ri.cw.p(f"mnl_attr_put_{put_type}(nlh, {self.enum_name}, {var}->{self.c_name}[i]);")
+ ri.cw.p(f"ynl_attr_put_{put_type}(nlh, {self.enum_name}, {var}->{self.c_name}[i]);")
elif 'type' not in self.attr or self.attr['type'] == 'nest':
ri.cw.p(f"for (unsigned int i = 0; i < {var}->n_{self.c_name}; i++)")
self._attr_put_line(ri, var, f"{self.nested_render_name}_put(nlh, " +
@@ -668,7 +647,7 @@ class TypeArrayNest(Type):
def _attr_get(self, ri, var):
local_vars = ['const struct nlattr *attr2;']
get_lines = [f'attr_{self.c_name} = attr;',
- 'mnl_attr_for_each_nested(attr2, attr)',
+ 'ynl_attr_for_each_nested(attr2, attr)',
f'\t{var}->n_{self.c_name}++;']
return get_lines, None, local_vars
@@ -693,8 +672,8 @@ class TypeNestTypeValue(Type):
local_vars += [f'__u32 {", ".join(tv_names)};']
for level in self.attr["type-value"]:
level = c_lower(level)
- get_lines += [f'attr_{level} = mnl_attr_get_payload({prev});']
- get_lines += [f'{level} = mnl_attr_get_type(attr_{level});']
+ get_lines += [f'attr_{level} = ynl_attr_data({prev});']
+ get_lines += [f'{level} = ynl_attr_type(attr_{level});']
prev = 'attr_' + level
tv_args = f", {', '.join(tv_names)}"
@@ -1553,7 +1532,7 @@ def _put_enum_to_str_helper(cw, render_name, map_name, arg_name, enum=None):
cw.block_start()
if enum and enum.type == 'flags':
cw.p(f'{arg_name} = ffs({arg_name}) - 1;')
- cw.p(f'if ({arg_name} < 0 || {arg_name} >= (int)MNL_ARRAY_SIZE({map_name}))')
+ cw.p(f'if ({arg_name} < 0 || {arg_name} >= (int)YNL_ARRAY_SIZE({map_name}))')
cw.p('return NULL;')
cw.p(f'return {map_name}[{arg_name}];')
cw.block_end()
@@ -1615,12 +1594,12 @@ def put_req_nested(ri, struct):
ri.cw.block_start()
ri.cw.write_func_lvar('struct nlattr *nest;')
- ri.cw.p("nest = mnl_attr_nest_start(nlh, attr_type);")
+ ri.cw.p("nest = ynl_attr_nest_start(nlh, attr_type);")
for _, arg in struct.member_list():
arg.attr_put(ri, "obj")
- ri.cw.p("mnl_attr_nest_end(nlh, nest);")
+ ri.cw.p("ynl_attr_nest_end(nlh, nest);")
ri.cw.nl()
ri.cw.p('return 0;')
@@ -1630,11 +1609,11 @@ def put_req_nested(ri, struct):
def _multi_parse(ri, struct, init_lines, local_vars):
if struct.nested:
- iter_line = "mnl_attr_for_each_nested(attr, nested)"
+ iter_line = "ynl_attr_for_each_nested(attr, nested)"
else:
if ri.fixed_hdr:
local_vars += ['void *hdr;']
- iter_line = "mnl_attr_for_each(attr, nlh, yarg->ys->family->hdr_len)"
+ iter_line = "ynl_attr_for_each(attr, nlh, yarg->ys->family->hdr_len)"
array_nests = set()
multi_attrs = set()
@@ -1668,7 +1647,7 @@ def _multi_parse(ri, struct, init_lines, local_vars):
ri.cw.p(f'dst->{arg} = {arg};')
if ri.fixed_hdr:
- ri.cw.p('hdr = mnl_nlmsg_get_payload_offset(nlh, sizeof(struct genlmsghdr));')
+ ri.cw.p('hdr = ynl_nlmsg_data_offset(nlh, sizeof(struct genlmsghdr));')
ri.cw.p(f"memcpy(&dst->_hdr, hdr, sizeof({ri.fixed_hdr}));")
for anest in sorted(all_multi):
aspec = struct[anest]
@@ -1677,7 +1656,7 @@ def _multi_parse(ri, struct, init_lines, local_vars):
ri.cw.nl()
ri.cw.block_start(line=iter_line)
- ri.cw.p('unsigned int type = mnl_attr_get_type(attr);')
+ ri.cw.p('unsigned int type = ynl_attr_type(attr);')
ri.cw.nl()
first = True
@@ -1693,14 +1672,14 @@ def _multi_parse(ri, struct, init_lines, local_vars):
aspec = struct[anest]
ri.cw.block_start(line=f"if (n_{aspec.c_name})")
- ri.cw.p(f"dst->{aspec.c_name} = calloc({aspec.c_name}, sizeof(*dst->{aspec.c_name}));")
+ ri.cw.p(f"dst->{aspec.c_name} = calloc(n_{aspec.c_name}, sizeof(*dst->{aspec.c_name}));")
ri.cw.p(f"dst->n_{aspec.c_name} = n_{aspec.c_name};")
ri.cw.p('i = 0;')
ri.cw.p(f"parg.rsp_policy = &{aspec.nested_render_name}_nest;")
- ri.cw.block_start(line=f"mnl_attr_for_each_nested(attr, attr_{aspec.c_name})")
+ ri.cw.block_start(line=f"ynl_attr_for_each_nested(attr, attr_{aspec.c_name})")
ri.cw.p(f"parg.data = &dst->{aspec.c_name}[i];")
- ri.cw.p(f"if ({aspec.nested_render_name}_parse(&parg, attr, mnl_attr_get_type(attr)))")
- ri.cw.p('return MNL_CB_ERROR;')
+ ri.cw.p(f"if ({aspec.nested_render_name}_parse(&parg, attr, ynl_attr_type(attr)))")
+ ri.cw.p('return YNL_PARSE_CB_ERROR;')
ri.cw.p('i++;')
ri.cw.block_end()
ri.cw.block_end()
@@ -1715,13 +1694,13 @@ def _multi_parse(ri, struct, init_lines, local_vars):
if 'nested-attributes' in aspec:
ri.cw.p(f"parg.rsp_policy = &{aspec.nested_render_name}_nest;")
ri.cw.block_start(line=iter_line)
- ri.cw.block_start(line=f"if (mnl_attr_get_type(attr) == {aspec.enum_name})")
+ ri.cw.block_start(line=f"if (ynl_attr_type(attr) == {aspec.enum_name})")
if 'nested-attributes' in aspec:
ri.cw.p(f"parg.data = &dst->{aspec.c_name}[i];")
ri.cw.p(f"if ({aspec.nested_render_name}_parse(&parg, attr))")
- ri.cw.p('return MNL_CB_ERROR;')
+ ri.cw.p('return YNL_PARSE_CB_ERROR;')
elif aspec.type in scalars:
- ri.cw.p(f"dst->{aspec.c_name}[i] = mnl_attr_get_{aspec.mnl_type()}(attr);")
+ ri.cw.p(f"dst->{aspec.c_name}[i] = ynl_attr_get_{aspec.type}(attr);")
else:
raise Exception('Nest parsing type not supported yet')
ri.cw.p('i++;')
@@ -1733,7 +1712,7 @@ def _multi_parse(ri, struct, init_lines, local_vars):
if struct.nested:
ri.cw.p('return 0;')
else:
- ri.cw.p('return MNL_CB_OK;')
+ ri.cw.p('return YNL_PARSE_CB_OK;')
ri.cw.block_end()
ri.cw.nl()
@@ -1763,10 +1742,9 @@ def parse_rsp_msg(ri, deref=False):
return
func_args = ['const struct nlmsghdr *nlh',
- 'void *data']
+ 'struct ynl_parse_arg *yarg']
local_vars = [f'{type_name(ri, "reply", deref=deref)} *dst;',
- 'struct ynl_parse_arg *yarg = data;',
'const struct nlattr *attr;']
init_lines = ['dst = yarg->data;']
@@ -1777,7 +1755,7 @@ def parse_rsp_msg(ri, deref=False):
else:
# Empty reply
ri.cw.block_start()
- ri.cw.p('return MNL_CB_OK;')
+ ri.cw.p('return YNL_PARSE_CB_OK;')
ri.cw.block_end()
ri.cw.nl()
@@ -1812,7 +1790,7 @@ def print_req(ri):
if ri.fixed_hdr:
ri.cw.p("hdr_len = sizeof(req->_hdr);")
- ri.cw.p("hdr = mnl_nlmsg_put_extra_header(nlh, hdr_len);")
+ ri.cw.p("hdr = ynl_nlmsg_put_extra_header(nlh, hdr_len);")
ri.cw.p("memcpy(hdr, &req->_hdr, hdr_len);")
ri.cw.nl()
@@ -1862,20 +1840,21 @@ def print_dump(ri):
ri.cw.write_func_lvar(local_vars)
- ri.cw.p('yds.ys = ys;')
+ ri.cw.p('yds.yarg.ys = ys;')
+ ri.cw.p(f"yds.yarg.rsp_policy = &{ri.struct['reply'].render_name}_nest;")
+ ri.cw.p("yds.yarg.data = NULL;")
ri.cw.p(f"yds.alloc_sz = sizeof({type_name(ri, rdir(direction))});")
ri.cw.p(f"yds.cb = {op_prefix(ri, 'reply', deref=True)}_parse;")
if ri.op.value is not None:
ri.cw.p(f'yds.rsp_cmd = {ri.op.enum_name};')
else:
ri.cw.p(f'yds.rsp_cmd = {ri.op.rsp_value};')
- ri.cw.p(f"yds.rsp_policy = &{ri.struct['reply'].render_name}_nest;")
ri.cw.nl()
ri.cw.p(f"nlh = ynl_gemsg_start_dump(ys, {ri.nl.get_family_id()}, {ri.op.enum_name}, 1);")
if ri.fixed_hdr:
ri.cw.p("hdr_len = sizeof(req->_hdr);")
- ri.cw.p("hdr = mnl_nlmsg_put_extra_header(nlh, hdr_len);")
+ ri.cw.p("hdr = ynl_nlmsg_put_extra_header(nlh, hdr_len);")
ri.cw.p("memcpy(hdr, &req->_hdr, hdr_len);")
ri.cw.nl()
@@ -2366,6 +2345,10 @@ def print_kernel_family_struct_hdr(family, cw):
cw.p(f"extern struct genl_family {family.c_name}_nl_family;")
cw.nl()
+ if 'sock-priv' in family.kernel_family:
+ cw.p(f'void {family.c_name}_nl_sock_priv_init({family.kernel_family["sock-priv"]} *priv);')
+ cw.p(f'void {family.c_name}_nl_sock_priv_destroy({family.kernel_family["sock-priv"]} *priv);')
+ cw.nl()
def print_kernel_family_struct_src(family, cw):
@@ -2387,6 +2370,11 @@ def print_kernel_family_struct_src(family, cw):
if family.mcgrps['list']:
cw.p(f'.mcgrps\t\t= {family.c_name}_nl_mcgrps,')
cw.p(f'.n_mcgrps\t= ARRAY_SIZE({family.c_name}_nl_mcgrps),')
+ if 'sock-priv' in family.kernel_family:
+ cw.p(f'.sock_priv_size\t= sizeof({family.kernel_family["sock-priv"]}),')
+ # Force cast here, actual helpers take pointer to the real type.
+ cw.p(f'.sock_priv_init\t= (void *){family.c_name}_nl_sock_priv_init,')
+ cw.p(f'.sock_priv_destroy = (void *){family.c_name}_nl_sock_priv_destroy,')
cw.block_end(';')
@@ -2587,7 +2575,7 @@ def render_user_family(family, cw, prototype):
cw.p('.hdr_len\t= sizeof(struct genlmsghdr),')
if family.ntfs:
cw.p(f".ntf_info\t= {family['name']}_ntf_info,")
- cw.p(f".ntf_info_size\t= MNL_ARRAY_SIZE({family['name']}_ntf_info),")
+ cw.p(f".ntf_info_size\t= YNL_ARRAY_SIZE({family['name']}_ntf_info),")
cw.block_end(line=';')
@@ -2683,6 +2671,7 @@ def main():
cw.p(f'#include "{os.path.basename(args.out_file[:-2])}.h"')
cw.nl()
headers = ['uapi/' + parsed.uapi_header]
+ headers += parsed.kernel_family.get('headers', [])
else:
cw.p('#include <stdlib.h>')
cw.p('#include <string.h>')
@@ -2703,7 +2692,6 @@ def main():
if args.mode == "user":
if not args.header:
- cw.p("#include <libmnl/libmnl.h>")
cw.p("#include <linux/genetlink.h>")
cw.nl()
for one in args.user_header: