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Diffstat (limited to 'nuttx/net/uip/uip_poll.c')
| -rw-r--r-- | nuttx/net/uip/uip_poll.c | 353 |
1 files changed, 0 insertions, 353 deletions
diff --git a/nuttx/net/uip/uip_poll.c b/nuttx/net/uip/uip_poll.c deleted file mode 100644 index 8c56e7bf6..000000000 --- a/nuttx/net/uip/uip_poll.c +++ /dev/null @@ -1,353 +0,0 @@ -/**************************************************************************** - * net/uip/uip_poll.c - * - * Copyright (C) 2007-2010, 2012 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#ifdef CONFIG_NET - -#include <debug.h> - -#include <nuttx/net/uip/uipopt.h> -#include <nuttx/net/uip/uip.h> -#include <nuttx/net/uip/uip-arch.h> - -#include "uip_internal.h" - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: uip_pollicmp - * - * Description: - * Poll all UDP connections for available packets to send. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) -static inline int uip_pollicmp(struct uip_driver_s *dev, uip_poll_callback_t callback) -{ - /* Perform the UDP TX poll */ - - uip_icmppoll(dev); - - /* Call back into the driver */ - - return callback(dev); -} -#endif /* CONFIG_NET_ICMP && CONFIG_NET_ICMP_PING */ - -/**************************************************************************** - * Function: uip_polligmp - * - * Description: - * Poll all UDP connections for available packets to send. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -#ifdef CONFIG_NET_IGMP -static inline int uip_polligmp(struct uip_driver_s *dev, uip_poll_callback_t callback) -{ - /* Perform the UDP TX poll */ - - uip_igmppoll(dev); - - /* Call back into the driver */ - - return callback(dev); -} -#endif /* CONFIG_NET_IGMP */ - -/**************************************************************************** - * Function: uip_polludpconnections - * - * Description: - * Poll all UDP connections for available packets to send. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -#ifdef CONFIG_NET_UDP -static int uip_polludpconnections(struct uip_driver_s *dev, - uip_poll_callback_t callback) -{ - struct uip_udp_conn *udp_conn = NULL; - int bstop = 0; - - /* Traverse all of the allocated UDP connections and perform the poll action */ - - while (!bstop && (udp_conn = uip_nextudpconn(udp_conn))) - { - /* Perform the UDP TX poll */ - - uip_udppoll(dev, udp_conn); - - /* Call back into the driver */ - - bstop = callback(dev); - } - - return bstop; -} -#endif /* CONFIG_NET_UDP */ - -/**************************************************************************** - * Function: uip_polltcpconnections - * - * Description: - * Poll all UDP connections for available packets to send. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -#ifdef CONFIG_NET_TCP -static inline int uip_polltcpconnections(struct uip_driver_s *dev, - uip_poll_callback_t callback) -{ - struct uip_conn *conn = NULL; - int bstop = 0; - - /* Traverse all of the active TCP connections and perform the poll action */ - - while (!bstop && (conn = uip_nexttcpconn(conn))) - { - /* Perform the TCP TX poll */ - - uip_tcppoll(dev, conn); - - /* Call back into the driver */ - - bstop = callback(dev); - } - - return bstop; -} -#else -# define uip_polltcpconnections(dev, callback) (0) -#endif - -/**************************************************************************** - * Function: uip_polltcptimer - * - * Description: - * The TCP timer has expired. Update TCP timing state in each active, - * TCP connection. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -#ifdef CONFIG_NET_TCP -static inline int uip_polltcptimer(struct uip_driver_s *dev, - uip_poll_callback_t callback, int hsec) -{ - struct uip_conn *conn = NULL; - int bstop = 0; - - /* Traverse all of the active TCP connections and perform the poll action */ - - while (!bstop && (conn = uip_nexttcpconn(conn))) - { - /* Perform the TCP timer poll */ - - uip_tcptimer(dev, conn, hsec); - - /* Call back into the driver */ - - bstop = callback(dev); - } - - return bstop; -} -#else -# define uip_polltcptimer(dev, callback, hsec) (0) -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: uip_poll - * - * Description: - * This function will traverse each active uIP connection structure and - * will perform TCP and UDP polling operations. uip_poll() may be called - * asychronously with the network drvier can accept another outgoing packet. - * - * This function will call the provided callback function for every active - * connection. Polling will continue until all connections have been polled - * or until the user-suplied function returns a non-zero value (which it - * should do only if it cannot accept further write data). - * - * When the callback function is called, there may be an outbound packet - * waiting for service in the uIP packet buffer, and if so the d_len field - * is set to a value larger than zero. The device driver should then send - * out the packet. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -int uip_poll(struct uip_driver_s *dev, uip_poll_callback_t callback) -{ - int bstop; - - /* Check for pendig IGMP messages */ - -#ifdef CONFIG_NET_IGMP - bstop = uip_polligmp(dev, callback); - if (!bstop) -#endif - { - /* Traverse all of the active TCP connections and perform the poll action */ - - bstop = uip_polltcpconnections(dev, callback); - if (!bstop) - { -#ifdef CONFIG_NET_UDP - /* Traverse all of the allocated UDP connections and perform the poll action */ - - bstop = uip_polludpconnections(dev, callback); - if (!bstop) -#endif - { -#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) - /* Traverse all of the tasks waiting to send an ICMP ECHO request */ - - bstop = uip_pollicmp(dev, callback); -#endif - } - } - } - - return bstop; -} - -/**************************************************************************** - * Function: uip_timer - * - * Description: - * These function will traverse each active uIP connection structure and - * perform TCP timer operations (and UDP polling operations). The Ethernet - * driver MUST implement logic to periodically call uip_timer(). - * - * This function will call the provided callback function for every active - * connection. Polling will continue until all connections have been polled - * or until the user-suplied function returns a non-zero value (which it - * should do only if it cannot accept further write data). - * - * When the callback function is called, there may be an outbound packet - * waiting for service in the uIP packet buffer, and if so the d_len field - * is set to a value larger than zero. The device driver should then send - * out the packet. - * - * Assumptions: - * This function is called from the CAN device driver and may be called from - * the timer interrupt/watchdog handle level. - * - ****************************************************************************/ - -int uip_timer(struct uip_driver_s *dev, uip_poll_callback_t callback, int hsec) -{ - int bstop; - - /* Increment the timer used by the IP reassembly logic */ - -#if UIP_REASSEMBLY - if (uip_reasstmr != 0 && uip_reasstmr < UIP_REASS_MAXAGE) - { - uip_reasstmr += hsec; - } -#endif /* UIP_REASSEMBLY */ - - /* Check for pendig IGMP messages */ - -#ifdef CONFIG_NET_IGMP - bstop = uip_polligmp(dev, callback); - if (!bstop) -#endif - { - /* Traverse all of the active TCP connections and perform the timer action */ - - bstop = uip_polltcptimer(dev, callback, hsec); - if (!bstop) - { - /* Traverse all of the allocated UDP connections and perform the poll action */ - -#ifdef CONFIG_NET_UDP - bstop = uip_polludpconnections(dev, callback); - if (!bstop) -#endif - { -#if defined(CONFIG_NET_ICMP) && defined(CONFIG_NET_ICMP_PING) - /* Traverse all of the tasks waiting to send an ICMP ECHO request */ - - bstop = uip_pollicmp(dev, callback); -#endif - } - } - } - - return bstop; -} - -#endif /* CONFIG_NET */ |