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net: Add NET_SOCK_[FAMILY|TYPE|PROTOCOL] defintion to netconfig.h

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to help create a general sock for ioctl operation

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2021-12-19 16:03:14 +08:00 committed by Xiang Xiao
parent 0896d0680b
commit 882bc8639c
1 changed files with 90 additions and 5 deletions
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95
include/nuttx/net/netconfig.h
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@ -57,11 +57,7 @@
#include <nuttx/net/ethernet.h>
/****************************************************************************
* Public Definitions
****************************************************************************/
/****************************************************************************
* Public Type Definitions
* Pre-processor Definitions
****************************************************************************/
#ifndef MAX
@ -72,6 +68,95 @@
# define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
/* Using the following definitions, the following socket() arguments should
* provide a valid socket in all configurations:
*
* ret = socket(NET_SOCK_FAMILY, NET_SOCK_TYPE,
* NET_SOCK_PROTOCOL);
*/
/* The address family that we used to create the socket really does not
* matter. It should, however, be valid in the current configuration.
*/
#if defined(CONFIG_NET_IPv4)
# define NET_SOCK_FAMILY AF_INET
#elif defined(CONFIG_NET_IPv6)
# define NET_SOCK_FAMILY AF_INET6
#elif defined(CONFIG_NET_LOCAL)
# define NET_SOCK_FAMILY AF_LOCAL
#elif defined(CONFIG_NET_PKT)
# define NET_SOCK_FAMILY AF_PACKET
#elif defined(CONFIG_NET_CAN)
# define NET_SOCK_FAMILY AF_CAN
#elif defined(CONFIG_NET_IEEE802154)
# define NET_SOCK_FAMILY AF_IEEE802154
#elif defined(CONFIG_WIRELESS_PKTRADIO)
# define NET_SOCK_FAMILY AF_PKTRADIO
#elif defined(CONFIG_NET_BLUETOOTH)
# define NET_SOCK_FAMILY AF_BLUETOOTH
#elif defined(CONFIG_NET_USRSOCK)
# define NET_SOCK_FAMILY AF_INET
#elif defined(CONFIG_NET_NETLINK)
# define NET_SOCK_FAMILY AF_NETLINK
#elif defined(CONFIG_NET_RPMSG)
# define NET_SOCK_FAMILY AF_RPMSG
#else
# define NET_SOCK_FAMILY AF_UNSPEC
#endif
/* Socket protocol of zero normally works */
#define NET_SOCK_PROTOCOL 0
/* SOCK_DGRAM is the preferred socket type to use when we just want a
* socket for performing driver ioctls. However, we can't use SOCK_DRAM
* if UDP is disabled.
*
* Pick a socket type (and perhaps protocol) compatible with the currently
* selected address family.
*/
#if NET_SOCK_FAMILY == AF_INET
# if defined(CONFIG_NET_UDP)
# define NET_SOCK_TYPE SOCK_DGRAM
# elif defined(CONFIG_NET_TCP)
# define NET_SOCK_TYPE SOCK_STREAM
# elif defined(CONFIG_NET_ICMP_SOCKET)
# define NET_SOCK_TYPE SOCK_DGRAM
# undef NET_SOCK_PROTOCOL
# define NET_SOCK_PROTOCOL IPPROTO_ICMP
# endif
#elif NET_SOCK_FAMILY == AF_INET6
# if defined(CONFIG_NET_UDP)
# define NET_SOCK_TYPE SOCK_DGRAM
# elif defined(CONFIG_NET_TCP)
# define NET_SOCK_TYPE SOCK_STREAM
# elif defined(CONFIG_NET_ICMPv6_SOCKET)
# define NET_SOCK_TYPE SOCK_DGRAM
# undef NET_SOCK_PROTOCOL
# define NET_SOCK_PROTOCOL IPPROTO_ICMP6
# endif
#elif NET_SOCK_FAMILY == AF_LOCAL
# if defined(CONFIG_NET_LOCAL_DGRAM)
# define NET_SOCK_TYPE SOCK_DGRAM
# elif defined(CONFIG_NET_LOCAL_STREAM)
# define NET_SOCK_TYPE SOCK_STREAM
# endif
#elif NET_SOCK_FAMILY == AF_PACKET
# define NET_SOCK_TYPE SOCK_RAW
#elif NET_SOCK_FAMILY == AF_CAN
# define NET_SOCK_TYPE SOCK_RAW
#elif NET_SOCK_FAMILY == AF_IEEE802154
# define NET_SOCK_TYPE SOCK_DGRAM
#elif NET_SOCK_FAMILY == AF_BLUETOOTH
# define NET_SOCK_TYPE SOCK_RAW
#elif NET_SOCK_FAMILY == AF_NETLINK
# define NET_SOCK_TYPE SOCK_DGRAM
#elif NET_SOCK_FAMILY == AF_RPMSG
# define NET_SOCK_TYPE SOCK_STREAM
#endif
/* Eliminate dependencies on other header files. This should not harm
* portability because these are well-known constants.
*/