mirror_iproute2/include/mnl_utils.h
Parav Pandit b822275ad8 utils: Add generic socket helpers
Subsequent patch needs to
(a) query and use socket family
(b) send/receive messages using this family

Hence add helper routines to open, close, query family and to perform
send receive operations.

Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
2021-02-11 09:09:07 -07:00

28 lines
939 B
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);
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);
#endif /* __MNL_UTILS_H__ */