commands.h

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// SPDX-License-Identifier: BSD-3-Clause
#ifndef MPTCPD_COMMANDS_H
#define MPTCPD_COMMANDS_H
 
#ifdef HAVE_CONFIG_H
# include <mptcpd/private/config.h>
#endif
 
#include <stdbool.h>
#include <stddef.h>   // For NULL.
#include <assert.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <linux/netlink.h>  // For NLA_* macros.
 
#define MPTCPD_NLA_ALIGN(v) (NLA_HDRLEN + NLA_ALIGN(sizeof(v)))
 
#define MPTCPD_NLA_ALIGN_OPT(v) ((v) == 0 ? 0 : (MPTCPD_NLA_ALIGN(v)))
 
#define MPTCPD_NLA_ALIGN_ADDR(v) \
        (NLA_HDRLEN + NLA_ALIGN(mptcpd_get_addr_size(v)))
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct l_genl_msg;
 
static inline bool mptcpd_is_inet_family(struct sockaddr const *addr)
{
        return addr->sa_family == AF_INET || addr->sa_family == AF_INET6;
}
 
static inline size_t mptcpd_get_addr_size(struct sockaddr const *addr)
{
        assert(mptcpd_is_inet_family(addr));
 
        return addr->sa_family == AF_INET
                ? sizeof(struct in_addr)
                : sizeof(struct in6_addr);
}
 
static inline uint16_t mptcpd_get_addr_family(struct sockaddr const *addr)
{
        sa_family_t const family = (addr == NULL ? 0 : addr->sa_family);
 
        return family;
}
 
uint16_t mptcpd_get_port_number(struct sockaddr const *addr);
 
struct mptcpd_pm_cmd_ops const *mptcpd_get_upstream_cmd_ops(void);
 
struct mptcpd_pm_cmd_ops const *mptcpd_get_mptcp_org_cmd_ops(void);
 
bool mptcpd_check_genl_error(struct l_genl_msg *msg, char const *fname);
 
void mptcpd_family_send_callback(struct l_genl_msg *msg, void *user_data);
 
#ifdef __cplusplus
}
#endif
 
 
#endif /* MPTCPD_COMMANDS_H */
 
 
/*
  Local Variables:
  c-file-style: "linux"
  End:
*/