iproute2/include/mnl_utils.h
Parav Pandit e3a4067e52 utils: Introduce helper routines for generic socket recv
Introduce helper for generic socket receive helper and introduce helper
to build command with custom family and version.

Use API in subsequent devlink patch.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
2021-03-03 04:00:04 +00:00

34 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;
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);
#endif /* __MNL_UTILS_H__ */