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Date: Tue, 27 Feb 2024 14:30:28 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
edumazet@...gle.com,
pabeni@...hat.com,
nicolas.dichtel@...nd.com,
donald.hunter@...il.com,
jiri@...nulli.us,
sdf@...gle.com,
Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v3 11/15] tools: ynl: switch away from mnl_cb_t
All YNL parsing callbacks take struct ynl_parse_arg as the argument.
Make that official by using a local callback type instead of mnl_cb_t.
Acked-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
tools/net/ynl/lib/ynl-priv.h | 11 ++++++++---
tools/net/ynl/lib/ynl.c | 25 ++++++++++++-------------
tools/net/ynl/ynl-gen-c.py | 3 +--
3 files changed, 21 insertions(+), 18 deletions(-)
diff --git a/tools/net/ynl/lib/ynl-priv.h b/tools/net/ynl/lib/ynl-priv.h
index 42f7d29fbee0..5c0bd90c116b 100644
--- a/tools/net/ynl/lib/ynl-priv.h
+++ b/tools/net/ynl/lib/ynl-priv.h
@@ -6,6 +6,8 @@
#include <libmnl/libmnl.h>
#include <linux/types.h>
+struct ynl_parse_arg;
+
/*
* YNL internals / low level stuff
*/
@@ -30,6 +32,9 @@ enum ynl_policy_type {
#define YNL_ARRAY_SIZE(array) (sizeof(array) ? \
sizeof(array) / sizeof(array[0]) : 0)
+typedef int (*ynl_parse_cb_t)(const struct nlmsghdr *nlh,
+ struct ynl_parse_arg *yarg);
+
struct ynl_policy_attr {
enum ynl_policy_type type;
unsigned int len;
@@ -94,7 +99,7 @@ int ynl_attr_validate(struct ynl_parse_arg *yarg, const struct nlattr *attr);
struct ynl_req_state {
struct ynl_parse_arg yarg;
- mnl_cb_t cb;
+ ynl_parse_cb_t cb;
__u32 rsp_cmd;
};
@@ -103,13 +108,13 @@ struct ynl_dump_state {
void *first;
struct ynl_dump_list_type *last;
size_t alloc_sz;
- mnl_cb_t cb;
+ ynl_parse_cb_t cb;
__u32 rsp_cmd;
};
struct ynl_ntf_info {
struct ynl_policy_nest *policy;
- mnl_cb_t cb;
+ ynl_parse_cb_t cb;
size_t alloc_sz;
void (*free)(struct ynl_ntf_base_type *ntf);
};
diff --git a/tools/net/ynl/lib/ynl.c b/tools/net/ynl/lib/ynl.c
index fd658aaff345..27fb596aa791 100644
--- a/tools/net/ynl/lib/ynl.c
+++ b/tools/net/ynl/lib/ynl.c
@@ -449,17 +449,15 @@ ynl_gemsg_start_dump(struct ynl_sock *ys, __u32 id, __u8 cmd, __u8 version)
cmd, version);
}
-static int ynl_cb_null(const struct nlmsghdr *nlh, void *data)
+static int ynl_cb_null(const struct nlmsghdr *nlh, struct ynl_parse_arg *yarg)
{
- struct ynl_parse_arg *yarg = data;
-
yerr(yarg->ys, YNL_ERROR_UNEXPECT_MSG,
"Received a message when none were expected");
return MNL_CB_ERROR;
}
-static int ynl_sock_read_msgs(struct ynl_parse_arg *yarg, mnl_cb_t cb)
+static int ynl_sock_read_msgs(struct ynl_parse_arg *yarg, ynl_parse_cb_t cb)
{
struct ynl_sock *ys = yarg->ys;
const struct nlmsghdr *nlh;
@@ -558,9 +556,9 @@ ynl_get_family_info_mcast(struct ynl_sock *ys, const struct nlattr *mcasts)
return 0;
}
-static int ynl_get_family_info_cb(const struct nlmsghdr *nlh, void *data)
+static int
+ynl_get_family_info_cb(const struct nlmsghdr *nlh, struct ynl_parse_arg *yarg)
{
- struct ynl_parse_arg *yarg = data;
struct ynl_sock *ys = yarg->ys;
const struct nlattr *attr;
bool found_id = true;
@@ -770,10 +768,9 @@ static int ynl_ntf_parse(struct ynl_sock *ys, const struct nlmsghdr *nlh)
return MNL_CB_ERROR;
}
-static int ynl_ntf_trampoline(const struct nlmsghdr *nlh, void *data)
+static int
+ynl_ntf_trampoline(const struct nlmsghdr *nlh, struct ynl_parse_arg *yarg)
{
- struct ynl_parse_arg *yarg = data;
-
return ynl_ntf_parse(yarg->ys, nlh);
}
@@ -836,9 +833,10 @@ ynl_check_alien(struct ynl_sock *ys, const struct nlmsghdr *nlh, __u32 rsp_cmd)
return 0;
}
-static int ynl_req_trampoline(const struct nlmsghdr *nlh, void *data)
+static
+int ynl_req_trampoline(const struct nlmsghdr *nlh, struct ynl_parse_arg *yarg)
{
- struct ynl_req_state *yrs = data;
+ struct ynl_req_state *yrs = (void *)yarg;
int ret;
ret = ynl_check_alien(yrs->yarg.ys, nlh, yrs->rsp_cmd);
@@ -864,9 +862,10 @@ int ynl_exec(struct ynl_sock *ys, struct nlmsghdr *req_nlh,
return err;
}
-static int ynl_dump_trampoline(const struct nlmsghdr *nlh, void *data)
+static int
+ynl_dump_trampoline(const struct nlmsghdr *nlh, struct ynl_parse_arg *data)
{
- struct ynl_dump_state *ds = data;
+ struct ynl_dump_state *ds = (void *)data;
struct ynl_dump_list_type *obj;
struct ynl_parse_arg yarg = {};
int ret;
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 289a04f2cfaa..15a9d3b2eed3 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -1737,10 +1737,9 @@ _C_KW = {
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;']
--
2.43.2
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