--- /dev/null
- /*\r
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.\r
- * All rights reserved. \r
- * \r
- * Redistribution and use in source and binary forms, with or without modification, \r
- * are permitted provided that the following conditions are met:\r
- *\r
- * 1. Redistributions of source code must retain the above copyright notice,\r
- * this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright notice,\r
- * this list of conditions and the following disclaimer in the documentation\r
- * and/or other materials provided with the distribution.\r
- * 3. The name of the author may not be used to endorse or promote products\r
- * derived from this software without specific prior written permission. \r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED \r
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF \r
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT \r
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, \r
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT \r
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS \r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN \r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING \r
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY \r
- * OF SUCH DAMAGE.\r
- *\r
- * This file is part of the lwIP TCP/IP stack.\r
- * \r
- * Author: Adam Dunkels <adam@sics.se>\r
- *\r
- */\r
- \r
- #include "arch/perf.h"\r
- \r
- void\r
- perf_init(char *fname)\r
- {\r
- }\r
++/*
++ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
++ * All rights reserved.
++ *
++ * 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. The name of the author may not be used to endorse or promote products
++ * derived from this software without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
++ *
++ * This file is part of the lwIP TCP/IP stack.
++ *
++ * Author: Adam Dunkels <adam@sics.se>
++ *
++ */
++
++#include "arch/perf.h"
++
++void
++perf_init(char *fname)
++{
++}
return 0;
}
+/*** RPP - Notificating semaphore that we got free pbuf (FreeRTOS semaphore) ***/
+#if !NO_SYS
+extern xSemaphoreHandle pbufFreed;
+#endif
+/*** end driver notification declare ***/
+
+ /**
+ * Adjusts the payload pointer to hide or reveal headers in the payload.
+ *
+ * Adjusts the ->payload pointer so that space for a header
+ * (dis)appears in the pbuf payload.
+ *
+ * The ->payload, ->tot_len and ->len fields are adjusted.
+ *
+ * @param p pbuf to change the header size.
+ * @param header_size_increment Number of bytes to increment header size which
+ * increases the size of the pbuf. New space is on the front.
+ * (Using a negative value decreases the header size.)
+ * If hdr_size_inc is 0, this function does nothing and returns successful.
+ *
+ * PBUF_ROM and PBUF_REF type buffers cannot have their sizes increased, so
+ * the call will fail. A check is made that the increase in header size does
+ * not move the payload pointer in front of the start of the buffer.
+ * @return non-zero on failure, zero on success.
+ *
+ */
+ u8_t
+ pbuf_header(struct pbuf *p, s16_t header_size_increment)
+ {
+ return pbuf_header_impl(p, header_size_increment, 0);
+ }
+
+ /**
+ * Same as pbuf_header but does not check if 'header_size > 0' is allowed.
+ * This is used internally only, to allow PBUF_REF for RX.
+ */
+ u8_t
+ pbuf_header_force(struct pbuf *p, s16_t header_size_increment)
+ {
+ return pbuf_header_impl(p, header_size_increment, 1);
+ }
+
/**
* Dereference a pbuf chain or queue and deallocate any no-longer-used
* pbufs at the head of this chain or queue.
--- /dev/null
- /*\r
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.\r
- * All rights reserved. \r
- * \r
- * Redistribution and use in source and binary forms, with or without modification, \r
- * are permitted provided that the following conditions are met:\r
- *\r
- * 1. Redistributions of source code must retain the above copyright notice,\r
- * this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright notice,\r
- * this list of conditions and the following disclaimer in the documentation\r
- * and/or other materials provided with the distribution.\r
- * 3. The name of the author may not be used to endorse or promote products\r
- * derived from this software without specific prior written permission. \r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED \r
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF \r
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT \r
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, \r
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT \r
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS \r
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN \r
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING \r
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY \r
- * OF SUCH DAMAGE.\r
- *\r
- * This file is part of the lwIP TCP/IP stack.\r
- * \r
- * Author: Adam Dunkels <adam@sics.se>\r
- *\r
- */\r
- #ifndef __PERF_H__\r
- #define __PERF_H__\r
- \r
- #define PERF_START /* null definition */\r
- #define PERF_STOP(x) /* null definition */\r
- \r
- #endif /* __PERF_H__ */\r
++/*
++ * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
++ * All rights reserved.
++ *
++ * 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. The name of the author may not be used to endorse or promote products
++ * derived from this software without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
++ *
++ * This file is part of the lwIP TCP/IP stack.
++ *
++ * Author: Adam Dunkels <adam@sics.se>
++ *
++ */
++#ifndef __PERF_H__
++#define __PERF_H__
++
++#define PERF_START /* null definition */
++#define PERF_STOP(x) /* null definition */
++
++#endif /* __PERF_H__ */
/*
* Include user defined options first. Anything not defined in these files
- * will be set to standard values. Override anything you dont like!
+ * will be set to standard values. Override anything you don't like!
*/
-#include "lwipopts.h"
+#include "arch/lwipopts.h"
#include "lwip/debug.h"
/*
} pbuf_layer;
typedef enum {
- PBUF_RAM = 0, /* pbuf data is stored in RAM */
- PBUF_ROM = 1, /* pbuf data is stored in ROM */
- PBUF_REF = 2, /* pbuf comes from the pbuf pool */
- PBUF_POOL = 3 /* pbuf payload refers to RAM */
+ /** pbuf data is stored in RAM, used for TX mostly, struct pbuf and its payload
+ are allocated in one piece of contiguous memory (so the first payload byte
+ can be calculated from struct pbuf)
+ pbuf_alloc() allocates PBUF_RAM pbufs as unchained pbufs (although that might
+ change in future versions) */
- PBUF_RAM,
++ PBUF_RAM = 0,
+ /** pbuf data is stored in ROM, i.e. struct pbuf and its payload are located in
+ totally different memory areas. Since it points to ROM, payload does not
+ have to be copied when queued for transmission. */
- PBUF_ROM,
++ PBUF_ROM = 1,
+ /** pbuf comes from the pbuf pool. Much like PBUF_ROM but payload might change
+ so it has to be duplicated when queued before transmitting, depending on
+ who has a 'ref' to it. */
- PBUF_REF,
++ PBUF_REF = 2,
+ /** pbuf payload refers to RAM. This one comes from a pool and should be used
+ for RX. Payload can be chained (scatter-gather RX) but like PBUF_RAM, struct
+ pbuf and its payload are allocated in one piece of contiguous memory (so
+ the first payload byte can be calculated from struct pbuf) */
- PBUF_POOL
++ PBUF_POOL = 3
} pbuf_type;
projects / pes-rpp / rpp-lwip.git / commitdiff