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update to lwIP-2.1.0: partial SACK support by default (de-selectable in menu) (#5126)
* update to lwIP-2.1.0rc1: partial SACK support fix #4176 * hash fix * get some flash back due to mistake in conf (fragmentation & reassembly was incorrectly enabled) (ahah I scared you) * add missing include files * update to lwip-2.1.0(release) + remove unused lwIP's include files * lwIP release 2.1.0, SACK is now default, bigger, no-SACK is selectable * fix ldscript * pio * rename 'sack' option to 'feat'ure option, + IP fragmentation/reassembly * merge, fix pio * change internal/hidden string * pio: more lwip2 configuration: + without sack for no change in flash footprint
This commit is contained in:
david gauchard
Develo
175
tools/sdk/lwip2/include/lwip/priv/sockets_priv.h
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175
tools/sdk/lwip2/include/lwip/priv/sockets_priv.h
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/**
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* @file
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* Sockets API internal implementations (do not use in application code)
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*/
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/*
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* Copyright (c) 2017 Joel Cunningham, Garmin International, Inc. <joel.cunningham@garmin.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Joel Cunningham <joel.cunningham@me.com>
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*
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*/
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#ifndef LWIP_HDR_SOCKETS_PRIV_H
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#define LWIP_HDR_SOCKETS_PRIV_H
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#include "lwip/opt.h"
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#if LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
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#include "lwip/err.h"
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#include "lwip/sockets.h"
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#include "lwip/sys.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NUM_SOCKETS MEMP_NUM_NETCONN
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/** This is overridable for the rare case where more than 255 threads
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* select on the same socket...
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*/
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#ifndef SELWAIT_T
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#define SELWAIT_T u8_t
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#endif
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union lwip_sock_lastdata {
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struct netbuf *netbuf;
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struct pbuf *pbuf;
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};
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/** Contains all internal pointers and states used for a socket */
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struct lwip_sock {
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/** sockets currently are built on netconns, each socket has one netconn */
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struct netconn *conn;
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/** data that was left from the previous read */
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union lwip_sock_lastdata lastdata;
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#if LWIP_SOCKET_SELECT || LWIP_SOCKET_POLL
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/** number of times data was received, set by event_callback(),
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tested by the receive and select functions */
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s16_t rcvevent;
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/** number of times data was ACKed (free send buffer), set by event_callback(),
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tested by select */
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u16_t sendevent;
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/** error happened for this socket, set by event_callback(), tested by select */
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u16_t errevent;
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/** counter of how many threads are waiting for this socket using select */
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SELWAIT_T select_waiting;
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#endif /* LWIP_SOCKET_SELECT || LWIP_SOCKET_POLL */
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#if LWIP_NETCONN_FULLDUPLEX
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/* counter of how many threads are using a struct lwip_sock (not the 'int') */
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u8_t fd_used;
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/* status of pending close/delete actions */
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u8_t fd_free_pending;
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#define LWIP_SOCK_FD_FREE_TCP 1
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#define LWIP_SOCK_FD_FREE_FREE 2
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#endif
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};
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#ifndef set_errno
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#define set_errno(err) do { if (err) { errno = (err); } } while(0)
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#endif
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#if !LWIP_TCPIP_CORE_LOCKING
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/** Maximum optlen used by setsockopt/getsockopt */
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#define LWIP_SETGETSOCKOPT_MAXOPTLEN LWIP_MAX(16, sizeof(struct ifreq))
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/** This struct is used to pass data to the set/getsockopt_internal
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* functions running in tcpip_thread context (only a void* is allowed) */
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struct lwip_setgetsockopt_data {
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/** socket index for which to change options */
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int s;
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/** level of the option to process */
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int level;
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/** name of the option to process */
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int optname;
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/** set: value to set the option to
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* get: value of the option is stored here */
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#if LWIP_MPU_COMPATIBLE
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u8_t optval[LWIP_SETGETSOCKOPT_MAXOPTLEN];
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#else
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union {
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void *p;
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const void *pc;
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} optval;
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#endif
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/** size of *optval */
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socklen_t optlen;
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/** if an error occurs, it is temporarily stored here */
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int err;
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/** semaphore to wake up the calling task */
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void* completed_sem;
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};
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#endif /* !LWIP_TCPIP_CORE_LOCKING */
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#ifdef __cplusplus
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}
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#endif
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struct lwip_sock* lwip_socket_dbg_get_socket(int fd);
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#if LWIP_SOCKET_SELECT || LWIP_SOCKET_POLL
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#if LWIP_NETCONN_SEM_PER_THREAD
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#define SELECT_SEM_T sys_sem_t*
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#define SELECT_SEM_PTR(sem) (sem)
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#else /* LWIP_NETCONN_SEM_PER_THREAD */
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#define SELECT_SEM_T sys_sem_t
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#define SELECT_SEM_PTR(sem) (&(sem))
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#endif /* LWIP_NETCONN_SEM_PER_THREAD */
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/** Description for a task waiting in select */
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struct lwip_select_cb {
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/** Pointer to the next waiting task */
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struct lwip_select_cb *next;
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/** Pointer to the previous waiting task */
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struct lwip_select_cb *prev;
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#if LWIP_SOCKET_SELECT
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/** readset passed to select */
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fd_set *readset;
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/** writeset passed to select */
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fd_set *writeset;
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/** unimplemented: exceptset passed to select */
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fd_set *exceptset;
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#endif /* LWIP_SOCKET_SELECT */
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#if LWIP_SOCKET_POLL
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/** fds passed to poll; NULL if select */
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struct pollfd *poll_fds;
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/** nfds passed to poll; 0 if select */
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nfds_t poll_nfds;
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#endif /* LWIP_SOCKET_POLL */
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/** don't signal the same semaphore twice: set to 1 when signalled */
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int sem_signalled;
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/** semaphore to wake up a task waiting for select */
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SELECT_SEM_T sem;
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};
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#endif /* LWIP_SOCKET_SELECT || LWIP_SOCKET_POLL */
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#endif /* LWIP_SOCKET */
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#endif /* LWIP_HDR_SOCKETS_PRIV_H */
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