iproute2/include/mnl_utils.h
Jiri Pirko 20b299a3ec mnl_utils: introduce a helper to check if dump policy exists for command
Benefit from GET_POLICY command of ctrl netlink and introduce a helper
that dumps policies and finds out, if there is a separate policy
specified for dump op of specified command.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
2023-09-11 09:16:45 -06:00

36 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MNL_UTILS_H__
#define __MNL_UTILS_H__ 1
struct mnlu_gen_socket {
struct mnl_socket *nl;
char *buf;
uint32_t family;
uint32_t maxattr;
unsigned int seq;
uint8_t version;
};
int mnlu_gen_socket_open(struct mnlu_gen_socket *nlg, const char *family_name,
uint8_t version);
void mnlu_gen_socket_close(struct mnlu_gen_socket *nlg);
struct nlmsghdr *
_mnlu_gen_socket_cmd_prepare(struct mnlu_gen_socket *nlg,
uint8_t cmd, uint16_t flags,
uint32_t id, uint8_t version);
struct nlmsghdr *mnlu_gen_socket_cmd_prepare(struct mnlu_gen_socket *nlg,
uint8_t cmd, uint16_t flags);
int mnlu_gen_socket_sndrcv(struct mnlu_gen_socket *nlg, const struct nlmsghdr *nlh,
mnl_cb_t data_cb, void *data);
struct mnl_socket *mnlu_socket_open(int bus);
struct nlmsghdr *mnlu_msg_prepare(void *buf, uint32_t nlmsg_type, uint16_t flags,
void *extra_header, size_t extra_header_size);
int mnlu_socket_recv_run(struct mnl_socket *nl, unsigned int seq, void *buf, size_t buf_size,
mnl_cb_t cb, void *data);
int mnlu_gen_socket_recv_run(struct mnlu_gen_socket *nlg, mnl_cb_t cb,
void *data);
int mnlu_gen_cmd_dump_policy(struct mnlu_gen_socket *nlg, uint8_t cmd);
#endif /* __MNL_UTILS_H__ */