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genode_c_api/socket: add wakeup_remote + sock_info

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* add genode_socket_wakeup_remote and genode_socket_register_wakeup
  which are used to support Vfs::Remote_io on the IP stack side

* add genode_socket_info in order to retrieve the address configuration
  from the IP stack

issue #5471
This commit is contained in:
Sebastian Sumpf 2025-02-06 09:32:50 +01:00 committed by Norman Feske
parent 0e48ea08cf
commit 488fcfd1a3
1 changed files with 54 additions and 8 deletions
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62
repos/os/include/genode_c_api/socket.h
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@ -14,6 +14,23 @@
#include <base/fixed_stdint.h>
#include <genode_c_api/base.h>
/* define required types in case they are not present */
#ifndef AF_UNSPEC
#define AF_UNSPEC 0
#endif
#ifndef AF_INET
#define AF_INET 2
#endif
#ifndef SOCK_STREAM
#define SOCK_STREAM 1
#endif
#ifndef SOCK_DGRAM
#define SOCK_DGRAM 2
#endif
#ifdef __cplusplus
extern "C" {
#endif
@ -121,8 +138,8 @@ struct genode_sockaddr
union {
/* AF_INET (or IPv4) */
struct {
genode_uint16_t port; /* be */
genode_uint32_t addr; /* be */
genode_uint16_t port; /* big endian = network byte order */
genode_uint32_t addr; /* big endian = network byte order */
} in;
};
};
@ -142,7 +159,19 @@ void genode_socket_init(struct genode_env *env,
struct genode_socket_io_progress *);
/**
/*
* Wakeup remote peers. This can be used as a callback for triggering, for
* example, signal submission of the packet stream
*/
struct genode_socket_wakeup {
void *data;
void (*callback)(void *);
};
void genode_socket_register_wakeup(struct genode_socket_wakeup *);
void genode_socket_wakeup_remote(void);
/*
* IPv4 address configuration (DHCP or static)
*/
struct genode_socket_config
@ -155,25 +184,41 @@ struct genode_socket_config
char const *nameserver;
};
/**
/*
* Configure/obtain IP address (blocking)
*/
void genode_socket_config_address(struct genode_socket_config *config);
/**
/*
* Retrieve IPv4 configuration
*/
struct genode_socket_info
{
/* all big endian */
unsigned ip_addr;
unsigned netmask;
unsigned gateway;
unsigned nameserver;
bool link_state;
};
void genode_socket_config_info(struct genode_socket_info *info);
/*
* Configure MTU size (default should be 1500)
*/
void genode_socket_configure_mtu(unsigned mtu);
/**
/*
* Wait for I/O progress (synchronous) - used for testing if no
* genode_socket_io_progress has been registered.
*/
void genode_socket_wait_for_progress(void);
/**
/*
* The following calls have POSIX semantics and are non-blocking
*/
@ -214,13 +259,14 @@ enum Errno genode_socket_getsockname(struct genode_socket_handle *,
enum Errno genode_socket_getpeername(struct genode_socket_handle *,
struct genode_sockaddr *);
/**
/*
* I/O vector
*/
struct genode_iovec
{
void *base;
unsigned long size;
unsigned long used;
};