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tcp-chnl: add TCP connection established callback for connect and accept #372

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Jun 20, 2024
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tcp-chnl: add TCP connection established callback for connect and accept #372

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14 changes: 7 additions & 7 deletions doc/guides/sample_app_ug/cnet_graph.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -219,13 +219,13 @@ The channel callback types are shown below:
.. code-block:: c

/** Channel callback types */
typedef enum {
CHNL_UDP_RECV_TYPE, /**< Callback for receiving UDP packets */
CHNL_UDP_CLOSE_TYPE, /**< Callback for UDP close */
CHNL_TCP_ACCEPT_TYPE, /**< Callback type for accepting TCP connection */
CHNL_TCP_RECV_TYPE, /**< Callback for receiving TCP packets */
CHNL_TCP_CLOSE_TYPE, /**< Callback for TCP close */
CHNL_CALLBACK_TYPES /**< Maximum number of callback types */
typedef enum {
CHNL_UDP_RECV_TYPE, /**< Callback for receiving UDP packets */
CHNL_UDP_CLOSE_TYPE, /**< Callback for UDP close */
CHNL_TCP_ESTABLISHED_TYPE, /**< Callback for when TCP is established: `accept` or `connect` */
CHNL_TCP_RECV_TYPE, /**< Callback for receiving TCP packets */
CHNL_TCP_CLOSE_TYPE, /**< Callback for TCP close */
CHNL_CALLBACK_TYPES /**< Maximum number of callback types */
} chnl_type_t;

Packet Forwarding using Graph Walk
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12 changes: 6 additions & 6 deletions lib/cnet/chnl/cnet_chnl.h
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Expand Up @@ -65,12 +65,12 @@ enum {

/** Channel callback types */
typedef enum {
CHNL_UDP_RECV_TYPE, /**< Callback for receiving UDP packets */
CHNL_UDP_CLOSE_TYPE, /**< Callback for UDP close */
CHNL_TCP_ACCEPT_TYPE, /**< Callback type for accepting TCP connection */
CHNL_TCP_RECV_TYPE, /**< Callback for receiving TCP packets */
CHNL_TCP_CLOSE_TYPE, /**< Callback for TCP close */
CHNL_CALLBACK_TYPES /**< Maximum number of callback types */
CHNL_UDP_RECV_TYPE, /**< Callback for receiving UDP packets */
CHNL_UDP_CLOSE_TYPE, /**< Callback for UDP close */
CHNL_TCP_ESTABLISHED_TYPE, /**< Callback for when TCP is established: `accept` or `connect` */
CHNL_TCP_RECV_TYPE, /**< Callback for receiving TCP packets */
CHNL_TCP_CLOSE_TYPE, /**< Callback for TCP close */
CHNL_CALLBACK_TYPES /**< Maximum number of callback types */
} chnl_type_t;

/**
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4 changes: 3 additions & 1 deletion lib/cnet/tcp/cnet_tcp.c
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Expand Up @@ -1389,8 +1389,10 @@ tcp_do_state_change(struct pcb_entry *pcb, int32_t new_state)
cnet_tcp_abort(pcb);
CNE_ERR("Failed to enqueue PCB to backlog queue\n");
}
pcb->ch->ch_callback(CHNL_TCP_ACCEPT_TYPE, tcb->ppcb->ch->ch_cd);
pcb->ch->ch_callback(CHNL_TCP_ESTABLISHED_TYPE, tcb->ppcb->ch->ch_cd);
}
} else {
pcb->ch->ch_callback(CHNL_TCP_ESTABLISHED_TYPE, pcb->ch->ch_cd);
}

tcb->idle = 0;
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