/* Attribute helpers */
-static inline __u64 mnl_attr_get_uint(const struct nlattr *attr)
+static inline void *ynl_nlmsg_end_addr(const struct nlmsghdr *nlh)
{
- switch (mnl_attr_get_payload_len(attr)) {
+ return (char *)nlh + nlh->nlmsg_len;
+}
+
+static inline unsigned int ynl_attr_type(const struct nlattr *attr)
+{
+ return attr->nla_type & NLA_TYPE_MASK;
+}
+
+static inline unsigned int ynl_attr_data_len(const struct nlattr *attr)
+{
+ return attr->nla_len - NLA_HDRLEN;
+}
+
+static inline void *ynl_attr_data(const struct nlattr *attr)
+{
+ return (unsigned char *)attr + NLA_HDRLEN;
+}
+
+static inline struct nlattr *
+ynl_attr_nest_start(struct nlmsghdr *nlh, unsigned int attr_type)
+{
+ struct nlattr *attr;
+
+ attr = ynl_nlmsg_end_addr(nlh);
+ attr->nla_type = attr_type | NLA_F_NESTED;
+ nlh->nlmsg_len += NLA_HDRLEN;
+
+ return attr;
+}
+
+static inline void
+ynl_attr_nest_end(struct nlmsghdr *nlh, struct nlattr *attr)
+{
+ attr->nla_len = (char *)ynl_nlmsg_end_addr(nlh) - (char *)attr;
+}
+
+static inline void
+ynl_attr_put(struct nlmsghdr *nlh, unsigned int attr_type,
+ const void *value, size_t size)
+{
+ struct nlattr *attr;
+
+ attr = ynl_nlmsg_end_addr(nlh);
+ attr->nla_type = attr_type;
+ attr->nla_len = NLA_HDRLEN + size;
+
+ memcpy(ynl_attr_data(attr), value, size);
+
+ nlh->nlmsg_len += NLMSG_ALIGN(attr->nla_len);
+}
+
+static inline void
+ynl_attr_put_str(struct nlmsghdr *nlh, unsigned int attr_type, const char *str)
+{
+ struct nlattr *attr;
+ const char *end;
+
+ attr = ynl_nlmsg_end_addr(nlh);
+ attr->nla_type = attr_type;
+
+ end = stpcpy(ynl_attr_data(attr), str);
+ attr->nla_len =
+ NLA_HDRLEN + NLA_ALIGN(end - (char *)ynl_attr_data(attr));
+
+ nlh->nlmsg_len += NLMSG_ALIGN(attr->nla_len);
+}
+
+static inline const char *ynl_attr_get_str(const struct nlattr *attr)
+{
+ return (const char *)ynl_attr_data(attr);
+}
+
+static inline __s8 ynl_attr_get_s8(const struct nlattr *attr)
+{
+ return *(__s8 *)ynl_attr_data(attr);
+}
+
+static inline __s16 ynl_attr_get_s16(const struct nlattr *attr)
+{
+ return *(__s16 *)ynl_attr_data(attr);
+}
+
+static inline __s32 ynl_attr_get_s32(const struct nlattr *attr)
+{
+ return *(__s32 *)ynl_attr_data(attr);
+}
+
+static inline __s64 ynl_attr_get_s64(const struct nlattr *attr)
+{
+ __s64 tmp;
+
+ memcpy(&tmp, (unsigned char *)(attr + 1), sizeof(tmp));
+ return tmp;
+}
+
+static inline __u8 ynl_attr_get_u8(const struct nlattr *attr)
+{
+ return *(__u8 *)ynl_attr_data(attr);
+}
+
+static inline __u16 ynl_attr_get_u16(const struct nlattr *attr)
+{
+ return *(__u16 *)ynl_attr_data(attr);
+}
+
+static inline __u32 ynl_attr_get_u32(const struct nlattr *attr)
+{
+ return *(__u32 *)ynl_attr_data(attr);
+}
+
+static inline __u64 ynl_attr_get_u64(const struct nlattr *attr)
+{
+ __u64 tmp;
+
+ memcpy(&tmp, (unsigned char *)(attr + 1), sizeof(tmp));
+ return tmp;
+}
+
+static inline void
+ynl_attr_put_s8(struct nlmsghdr *nlh, unsigned int attr_type, __s8 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_s16(struct nlmsghdr *nlh, unsigned int attr_type, __s16 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_s32(struct nlmsghdr *nlh, unsigned int attr_type, __s32 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_s64(struct nlmsghdr *nlh, unsigned int attr_type, __s64 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_u8(struct nlmsghdr *nlh, unsigned int attr_type, __u8 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_u16(struct nlmsghdr *nlh, unsigned int attr_type, __u16 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_u32(struct nlmsghdr *nlh, unsigned int attr_type, __u32 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline void
+ynl_attr_put_u64(struct nlmsghdr *nlh, unsigned int attr_type, __u64 value)
+{
+ ynl_attr_put(nlh, attr_type, &value, sizeof(value));
+}
+
+static inline __u64 ynl_attr_get_uint(const struct nlattr *attr)
+{
+ switch (ynl_attr_data_len(attr)) {
case 4:
- return mnl_attr_get_u32(attr);
+ return ynl_attr_get_u32(attr);
case 8:
- return mnl_attr_get_u64(attr);
+ return ynl_attr_get_u64(attr);
default:
return 0;
}
}
-static inline __s64 mnl_attr_get_sint(const struct nlattr *attr)
+static inline __s64 ynl_attr_get_sint(const struct nlattr *attr)
{
- switch (mnl_attr_get_payload_len(attr)) {
+ switch (ynl_attr_data_len(attr)) {
case 4:
- return mnl_attr_get_u32(attr);
+ return ynl_attr_get_s32(attr);
case 8:
- return mnl_attr_get_u64(attr);
+ return ynl_attr_get_s64(attr);
default:
return 0;
}
}
static inline void
-mnl_attr_put_uint(struct nlmsghdr *nlh, __u16 type, __u64 data)
+ynl_attr_put_uint(struct nlmsghdr *nlh, __u16 type, __u64 data)
{
if ((__u32)data == (__u64)data)
- mnl_attr_put_u32(nlh, type, data);
+ ynl_attr_put_u32(nlh, type, data);
else
- mnl_attr_put_u64(nlh, type, data);
+ ynl_attr_put_u64(nlh, type, data);
}
static inline void
-mnl_attr_put_sint(struct nlmsghdr *nlh, __u16 type, __s64 data)
+ynl_attr_put_sint(struct nlmsghdr *nlh, __u16 type, __s64 data)
{
if ((__s32)data == (__s64)data)
- mnl_attr_put_u32(nlh, type, data);
+ ynl_attr_put_s32(nlh, type, data);
else
- mnl_attr_put_u64(nlh, type, data);
+ ynl_attr_put_s64(nlh, type, data);
}
#endif
mnl_attr_for_each_payload(start, data_len) {
astart_off = (char *)attr - (char *)start;
- aend_off = astart_off + mnl_attr_get_payload_len(attr);
+ aend_off = astart_off + ynl_attr_data_len(attr);
if (aend_off <= off)
continue;
off -= astart_off;
- type = mnl_attr_get_type(attr);
+ type = ynl_attr_type(attr);
if (ynl_err_walk_report_one(policy, type, str, str_sz, &n))
return n;
}
off -= sizeof(struct nlattr);
- start = mnl_attr_get_payload(attr);
- end = start + mnl_attr_get_payload_len(attr);
+ start = ynl_attr_data(attr);
+ end = start + ynl_attr_data_len(attr);
return n + ynl_err_walk(ys, start, end, off, policy->table[type].nest,
&str[n], str_sz - n, nest_pol);
mnl_attr_for_each(attr, nlh, hlen) {
unsigned int len, type;
- len = mnl_attr_get_payload_len(attr);
- type = mnl_attr_get_type(attr);
+ len = ynl_attr_data_len(attr);
+ type = ynl_attr_type(attr);
if (type > NLMSGERR_ATTR_MAX)
continue;
return MNL_CB_ERROR;
break;
case NLMSGERR_ATTR_MSG:
- str = mnl_attr_get_payload(attr);
+ str = ynl_attr_get_str(attr);
if (str[len - 1])
return MNL_CB_ERROR;
break;
unsigned int n, off;
void *start, *end;
- ys->err.attr_offs = mnl_attr_get_u32(tb[NLMSGERR_ATTR_OFFS]);
+ ys->err.attr_offs = ynl_attr_get_u32(tb[NLMSGERR_ATTR_OFFS]);
n = snprintf(bad_attr, sizeof(bad_attr), "%sbad attribute: ",
str ? " (" : "");
void *start, *end;
int n2;
- type = mnl_attr_get_u32(tb[NLMSGERR_ATTR_MISS_TYPE]);
+ type = ynl_attr_get_u32(tb[NLMSGERR_ATTR_MISS_TYPE]);
n = snprintf(miss_attr, sizeof(miss_attr), "%smissing attribute: ",
bad_attr[0] ? ", " : (str ? " (" : ""));
nest_pol = ys->req_policy;
if (tb[NLMSGERR_ATTR_MISS_NEST]) {
- off = mnl_attr_get_u32(tb[NLMSGERR_ATTR_MISS_NEST]);
+ off = ynl_attr_get_u32(tb[NLMSGERR_ATTR_MISS_NEST]);
off -= sizeof(struct nlmsghdr);
off -= ys->family->hdr_len;
unsigned int type, len;
unsigned char *data;
- data = mnl_attr_get_payload(attr);
- len = mnl_attr_get_payload_len(attr);
- type = mnl_attr_get_type(attr);
+ data = ynl_attr_data(attr);
+ len = ynl_attr_data_len(attr);
+ type = ynl_attr_type(attr);
if (type > yarg->rsp_policy->max_attr) {
yerr(yarg->ys, YNL_ERROR_INTERNAL,
"Internal error, validating unknown attribute");
i = 0;
mnl_attr_for_each_nested(entry, mcasts) {
mnl_attr_for_each_nested(attr, entry) {
- if (mnl_attr_get_type(attr) == CTRL_ATTR_MCAST_GRP_ID)
- ys->mcast_groups[i].id = mnl_attr_get_u32(attr);
- if (mnl_attr_get_type(attr) == CTRL_ATTR_MCAST_GRP_NAME) {
+ if (ynl_attr_type(attr) == CTRL_ATTR_MCAST_GRP_ID)
+ ys->mcast_groups[i].id = ynl_attr_get_u32(attr);
+ if (ynl_attr_type(attr) == CTRL_ATTR_MCAST_GRP_NAME) {
strncpy(ys->mcast_groups[i].name,
- mnl_attr_get_str(attr),
+ ynl_attr_get_str(attr),
GENL_NAMSIZ - 1);
ys->mcast_groups[i].name[GENL_NAMSIZ - 1] = 0;
}
bool found_id = true;
mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
- if (mnl_attr_get_type(attr) == CTRL_ATTR_MCAST_GROUPS)
+ if (ynl_attr_type(attr) == CTRL_ATTR_MCAST_GROUPS)
if (ynl_get_family_info_mcast(ys, attr))
return MNL_CB_ERROR;
- if (mnl_attr_get_type(attr) != CTRL_ATTR_FAMILY_ID)
+ if (ynl_attr_type(attr) != CTRL_ATTR_FAMILY_ID)
continue;
- if (mnl_attr_get_payload_len(attr) != sizeof(__u16)) {
+ if (ynl_attr_data_len(attr) != sizeof(__u16)) {
yerr(ys, YNL_ERROR_ATTR_INVALID, "Invalid family ID");
return MNL_CB_ERROR;
}
- ys->family_id = mnl_attr_get_u16(attr);
+ ys->family_id = ynl_attr_get_u16(attr);
found_id = true;
}
int err;
nlh = ynl_gemsg_start_req(ys, GENL_ID_CTRL, CTRL_CMD_GETFAMILY, 1);
- mnl_attr_put_strz(nlh, CTRL_ATTR_FAMILY_NAME, family_name);
+ ynl_attr_put_str(nlh, CTRL_ATTR_FAMILY_NAME, family_name);
err = mnl_socket_sendto(ys->sock, nlh, nlh->nlmsg_len);
if (err < 0) {
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}")
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):
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:
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};"]
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
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):
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):
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));"]
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
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, " +
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)}"
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;')
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
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.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(f"if ({aspec.nested_render_name}_parse(&parg, attr, ynl_attr_type(attr)))")
ri.cw.p('return MNL_CB_ERROR;')
ri.cw.p('i++;')
ri.cw.block_end()
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;')
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++;')
projects / linux-2.6-microblaze.git / commitdiff