Commit 851042e8 authored by Oleg Zhurakivskyy's avatar Oleg Zhurakivskyy Committed by Jukka Rissanen
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net: tcp2: Send TCP data to caller 



Add a net_context backpointer and receiver user data to the tcp
structure. Once the desired callback and user data is set in
net_tcp_recv(), net_context_packet_received() can be called at
TCP reception in tcp_data_get(), moving the TCP data to the
recipient. IP and TCP protocol headers are sent as NULL, they
are not used by e.g. the socket code.

Signed-off-by: default avatarPatrik Flykt <patrik.flykt@intel.com>
Signed-off-by: default avatarOleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
parent 2eb1bef4

subsys/net/ip/tcp2.c

+22 −4
Original line number Diff line number Diff line
@@ -514,6 +514,18 @@ static size_t tcp_data_get(struct tcp *conn, struct net_pkt *pkt) 
		}



		tcp_free(buf);



		if (conn->context->recv_cb) {

			struct net_pkt *up = net_pkt_clone(pkt, K_NO_WAIT);



			net_pkt_cursor_init(up);

			net_pkt_set_overwrite(up, true);

			net_pkt_skip(up, 40);



			net_context_packet_received(

				(struct net_conn *)conn->context->conn_handler,

				up, NULL, NULL, conn->recv_user_data);

		}

	}



	return len;
@@ -1120,11 +1132,17 @@ int net_tcp_accept(struct net_context *context, net_tcp_accept_cb_t cb, 
int net_tcp_recv(struct net_context *context, net_context_recv_cb_t cb,

		 void *user_data)

{

	ARG_UNUSED(context);

	ARG_UNUSED(cb);

	ARG_UNUSED(user_data);

	struct tcp *conn = context->tcp;



	return -EPROTOTYPE;

	NET_DBG("context: %p, cb: %p, user_data: %p", context, cb, user_data);



	context->recv_cb = cb;



	if (conn) {

		conn->recv_user_data = user_data;

	}



	return 0;

}



void net_tcp_init(void)

subsys/net/ip/tcp2_priv.h

+1 −0
Original line number Diff line number Diff line
@@ -158,6 +158,7 @@ union tcp_endpoint { 


struct tcp { /* TCP connection */

	sys_snode_t next;

	void *recv_user_data;

	enum tcp_state state;

	u32_t seq;

	u32_t ack;

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