Commit ad2e6615 authored by Jukka Rissanen's avatar Jukka Rissanen
Browse files

net: Enable TCP support 



User can enable TCP server (listening socket) support in the
IP stack. This commit does not yet have TCP client (connecting
socket) support.

Change-Id: I75dd02a81addc1d1e026463b53631d56378157df
Signed-off-by: default avatarJukka Rissanen <jukka.rissanen@linux.intel.com>
parent d0ba82a5

include/net/ip_buf.h

+4 −0
Original line number Diff line number Diff line
@@ -106,6 +106,9 @@ struct ip_buf { 
	void *uip_udp_conn;

	linkaddr_t dest;

	linkaddr_t src;

#if defined(CONFIG_NETWORKING_WITH_TCP)

	int8_t sent_status; /* tells if the TCP packet was sent ok or not */

#endif



	/* Neighbor discovery vars. Note that we are using void pointers here

	 * so that we do not need to include Contiki headers in this file.
@@ -203,6 +206,7 @@ struct ip_buf { 
#define ip_buf_ll_dest(buf) (((struct ip_buf *)net_buf_user_data((buf)))->dest)

#define ip_buf_context(buf) (((struct ip_buf *)net_buf_user_data((buf)))->context)

#define ip_buf_type(ptr) (((struct ip_buf *)net_buf_user_data((ptr)))->type)

#define ip_buf_sent_status(ptr) (((struct ip_buf *)net_buf_user_data((ptr)))->sent_status)

/* @endcond */



/** NET_BUF_IP

include/net/net_core.h

+6 −0
Original line number Diff line number Diff line
@@ -42,6 +42,12 @@ extern "C" { 
#define NET_PRINT(...)

#endif /* CONFIG_NETWORKING_WITH_LOGGING */



enum net_tcp_type {

	NET_TCP_TYPE_UNKNOWN = 0,

	NET_TCP_TYPE_SERVER,

	NET_TCP_TYPE_CLIENT,

};



struct net_buf;

struct net_context;

include/net/net_ip.h

+7 −0
Original line number Diff line number Diff line
@@ -105,6 +105,13 @@ struct net_tuple { 
	enum ip_protocol ip_proto;

};



#if defined(CONFIG_NETWORKING_WITH_TCP)

enum tcp_event_type {

	TCP_READ_EVENT = 1,

	TCP_WRITE_EVENT,

};

#endif



#ifdef __cplusplus

}

#endif

net/ip/Kconfig

+18 −0
Original line number Diff line number Diff line
@@ -115,6 +115,24 @@ config NETWORKING_IPV6_NO_ND 
	  slip and tun device.

endif



config	NETWORKING_WITH_TCP

	bool

	prompt "Enable TCP protocol"

	depends on NETWORKING

	default n

	help

	  Enable Transmission and Control Protocol (TCP) support.



config	TCP_MSS

	int

	prompt "TCP maximum segment size"

	depends on NETWORKING_WITH_TCP

	default 0

	help

	  Tweak the TCP maximum segment size. Normally one should

	  not change this but let the IP stack to calculate a best

	  size for it.



config	NETWORKING_WITH_RPL

	bool

	prompt "Enable RPL (ripple) IPv6 mesh routing protocol"

net/ip/Kconfig.debug

+13 −0
Original line number Diff line number Diff line
@@ -39,6 +39,12 @@ config NETWORK_IP_STACK_DEBUG_FULL 
	bool "Print both messages and annotations"

endchoice



config NETWORK_IP_STACK_DEBUG_CONTEXT

	bool "Debug network context allocation"

	default n

	help

	  Enables printing of network context allocations and frees.



config NETWORK_IP_STACK_DEBUG_NET_BUF

	bool "Debug network buffer allocation"

	default n
@@ -51,6 +57,13 @@ config NETWORK_IP_STACK_DEBUG_RECV_SEND 
	help

	  Enables generic debug printing when receiving and sending data.



config NETWORK_IP_STACK_DEBUG_TCP_PSOCK

	bool "Debug network TCP protosockets"

	depends on NETWORKING_WITH_TCP

	default n

	help

	  Enables debugging the protosockets used in TCP engine.



config NETWORK_IP_STACK_DEBUG_IPV6

	bool "Debug core IPv6"

	depends on NETWORKING_WITH_IPV6

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