aboutsummaryrefslogtreecommitdiffstats
path: root/firmware/microblaze/lwip_port
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/microblaze/lwip_port')
-rw-r--r--firmware/microblaze/lwip_port/arch/cc.h65
-rw-r--r--firmware/microblaze/lwip_port/arch/perf.h2
-rw-r--r--firmware/microblaze/lwip_port/netif/eth_driver.c303
-rw-r--r--firmware/microblaze/lwip_port/netif/eth_driver.h23
4 files changed, 393 insertions, 0 deletions
diff --git a/firmware/microblaze/lwip_port/arch/cc.h b/firmware/microblaze/lwip_port/arch/cc.h
new file mode 100644
index 000000000..d8d53ecf8
--- /dev/null
+++ b/firmware/microblaze/lwip_port/arch/cc.h
@@ -0,0 +1,65 @@
+#ifndef INCLUDED_ARCH_CC_H
+#define INCLUDED_ARCH_CC_H
+
+#define BYTE_ORDER BIG_ENDIAN
+
+
+#if 1
+#include <stdint.h>
+
+typedef uint8_t u8_t;
+typedef int8_t s8_t;
+typedef uint16_t u16_t;
+typedef int16_t s16_t;
+typedef uint32_t u32_t;
+typedef int32_t s32_t;
+
+#else
+
+typedef unsigned char u8_t;
+typedef signed char s8_t;
+typedef unsigned short u16_t;
+typedef signed short s16_t;
+typedef unsigned long u32_t;
+typedef signed long s32_t;
+#endif
+
+typedef u32_t mem_ptr_t;
+
+#if 1 /* minimal printf */
+#define U16_F "u"
+#define S16_F "d"
+#define X16_F "x"
+#define U32_F "u"
+#define S32_F "d"
+#define X32_F "x"
+
+#else
+
+#define U16_F "hu"
+#define S16_F "hd"
+#define X16_F "hx"
+#define U32_F "lu"
+#define S32_F "ld"
+#define X32_F "lx"
+#endif
+
+#if 1 // gcc: don't pack
+#define PACK_STRUCT_FIELD(x) x
+#define PACK_STRUCT_STRUCT
+#define PACK_STRUCT_BEGIN
+#define PACK_STRUCT_END
+#else // gcc: do pack
+#define PACK_STRUCT_FIELD(x) x
+#define PACK_STRUCT_STRUCT __attribute__((packed))
+#define PACK_STRUCT_BEGIN
+#define PACK_STRUCT_END
+#endif
+
+//#define LWIP_PLATFORM_ASSERT(msg) ((void)0)
+void abort(void);
+#define LWIP_PLATFORM_ASSERT(msg) abort()
+
+
+#endif /* INCLUDED_ARCH_CC_H */
+
diff --git a/firmware/microblaze/lwip_port/arch/perf.h b/firmware/microblaze/lwip_port/arch/perf.h
new file mode 100644
index 000000000..f0906d03f
--- /dev/null
+++ b/firmware/microblaze/lwip_port/arch/perf.h
@@ -0,0 +1,2 @@
+#define PERF_START ((void) 0)
+#define PERF_STOP(msg) ((void) 0)
diff --git a/firmware/microblaze/lwip_port/netif/eth_driver.c b/firmware/microblaze/lwip_port/netif/eth_driver.c
new file mode 100644
index 000000000..18c6eaf3e
--- /dev/null
+++ b/firmware/microblaze/lwip_port/netif/eth_driver.c
@@ -0,0 +1,303 @@
+/**
+ * @file
+ * Ethernet Interface for quadradio
+ */
+
+/*
+ * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
+ * Copyright (c) 2010 Ettus Research LLC
+ * 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 "lwip/opt.h"
+
+#include "lwip/def.h"
+#include "lwip/mem.h"
+#include "lwip/pbuf.h"
+#include "lwip/sys.h"
+#include <lwip/stats.h>
+#include <lwip/snmp.h>
+#include "netif/etharp.h"
+#include "netif/ppp_oe.h"
+#include "eth_driver.h"
+
+#if 0 // don't build
+
+/* Define those to better describe your network interface. */
+#define IFNAME0 'e'
+#define IFNAME1 'n'
+
+/**
+ * Helper struct to hold private data used to operate your ethernet interface.
+ */
+struct quadradioif {
+ int ethno;
+};
+
+/* Forward declarations. */
+static void quadradioif_input(struct netif *netif);
+
+/**
+ * In this function, the hardware should be initialized.
+ * Called from quadradioif_init().
+ *
+ * @param netif the already initialized lwip network interface structure
+ * for this quadradioif
+ */
+static void
+low_level_init(struct netif *netif)
+{
+ struct quadradioif *quadradioif = netif->state;
+
+ /* set MAC hardware address length */
+ netif->hwaddr_len = ETHARP_HWADDR_LEN;
+
+ /* set MAC hardware address */
+ netif->hwaddr[0] = ;
+ ...
+ netif->hwaddr[5] = ;
+
+ /* maximum transfer unit */
+ netif->mtu = 1500;
+
+ /* device capabilities */
+ /* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
+ netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
+
+ /* Do whatever else is needed to initialize interface. */
+}
+
+/**
+ * This function should do the actual transmission of the packet. The packet is
+ * contained in the pbuf that is passed to the function. This pbuf
+ * might be chained.
+ *
+ * @param netif the lwip network interface structure for this quadradioif
+ * @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)
+ * @return ERR_OK if the packet could be sent
+ * an err_t value if the packet couldn't be sent
+ *
+ * @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to
+ * strange results. You might consider waiting for space in the DMA queue
+ * to become availale since the stack doesn't retry to send a packet
+ * dropped because of memory failure (except for the TCP timers).
+ */
+
+static err_t
+low_level_output(struct netif *netif, struct pbuf *p)
+{
+ struct quadradioif *quadradioif = netif->state;
+ struct pbuf *q;
+
+ initiate transfer();
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
+#endif
+
+ for(q = p; q != NULL; q = q->next) {
+ /* Send the data from the pbuf to the interface, one pbuf at a
+ time. The size of the data in each pbuf is kept in the ->len
+ variable. */
+ send data from(q->payload, q->len);
+ }
+
+ signal that packet should be sent();
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
+#endif
+
+ LINK_STATS_INC(link.xmit);
+
+ return ERR_OK;
+}
+
+/**
+ * Should allocate a pbuf and transfer the bytes of the incoming
+ * packet from the interface into the pbuf.
+ *
+ * @param netif the lwip network interface structure for this quadradioif
+ * @return a pbuf filled with the received packet (including MAC header)
+ * NULL on memory error
+ */
+static struct pbuf *
+low_level_input(struct netif *netif)
+{
+ struct quadradioif *quadradioif = netif->state;
+ struct pbuf *p, *q;
+ u16_t len;
+
+ /* Obtain the size of the packet and put it into the "len"
+ variable. */
+ len = ;
+
+#if ETH_PAD_SIZE
+ len += ETH_PAD_SIZE; /* allow room for Ethernet padding */
+#endif
+
+ /* We allocate a pbuf chain of pbufs from the pool. */
+ p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);
+
+ if (p != NULL) {
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, -ETH_PAD_SIZE); /* drop the padding word */
+#endif
+
+ /* We iterate over the pbuf chain until we have read the entire
+ * packet into the pbuf. */
+ for(q = p; q != NULL; q = q->next) {
+ /* Read enough bytes to fill this pbuf in the chain. The
+ * available data in the pbuf is given by the q->len
+ * variable. */
+ read data into(q->payload, q->len);
+ }
+ acknowledge that packet has been read();
+
+#if ETH_PAD_SIZE
+ pbuf_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
+#endif
+
+ LINK_STATS_INC(link.recv);
+ } else {
+ drop packet();
+ LINK_STATS_INC(link.memerr);
+ LINK_STATS_INC(link.drop);
+ }
+
+ return p;
+}
+
+/**
+ * This function should be called when a packet is ready to be read
+ * from the interface. It uses the function low_level_input() that
+ * should handle the actual reception of bytes from the network
+ * interface. Then the type of the received packet is determined and
+ * the appropriate input function is called.
+ *
+ * @param netif the lwip network interface structure for this quadradioif
+ */
+static void
+quadradioif_input(struct netif *netif)
+{
+ struct quadradioif *quadradioif;
+ struct eth_hdr *ethhdr;
+ struct pbuf *p;
+
+ quadradioif = netif->state;
+
+ /* move received packet into a new pbuf */
+ p = low_level_input(netif);
+ /* no packet could be read, silently ignore this */
+ if (p == NULL) return;
+ /* points to packet payload, which starts with an Ethernet header */
+ ethhdr = p->payload;
+
+ switch (htons(ethhdr->type)) {
+ /* IP or ARP packet? */
+ case ETHTYPE_IP:
+ case ETHTYPE_ARP:
+#if PPPOE_SUPPORT
+ /* PPPoE packet? */
+ case ETHTYPE_PPPOEDISC:
+ case ETHTYPE_PPPOE:
+#endif /* PPPOE_SUPPORT */
+ /* full packet send to tcpip_thread to process */
+ if (netif->input(p, netif)!=ERR_OK)
+ { LWIP_DEBUGF(NETIF_DEBUG, ("quadradioif_input: IP input error\n"));
+ pbuf_free(p);
+ p = NULL;
+ }
+ break;
+
+ default:
+ pbuf_free(p);
+ p = NULL;
+ break;
+ }
+}
+
+/**
+ * Should be called at the beginning of the program to set up the
+ * network interface. It calls the function low_level_init() to do the
+ * actual setup of the hardware.
+ *
+ * This function should be passed as a parameter to netif_add().
+ *
+ * @param netif the lwip network interface structure for this quadradioif
+ * @return ERR_OK if the loopif is initialized
+ * ERR_MEM if private data couldn't be allocated
+ * any other err_t on error
+ */
+err_t
+quadradioif_init(struct netif *netif)
+{
+ struct quadradioif *quadradioif;
+
+ LWIP_ASSERT("netif != NULL", (netif != NULL));
+
+ quadradioif = mem_malloc(sizeof(struct quadradioif));
+ if (quadradioif == NULL) {
+ LWIP_DEBUGF(NETIF_DEBUG, ("quadradioif_init: out of memory\n"));
+ return ERR_MEM;
+ }
+
+#if LWIP_NETIF_HOSTNAME
+ /* Initialize interface hostname */
+ netif->hostname = "lwip";
+#endif /* LWIP_NETIF_HOSTNAME */
+
+ /*
+ * Initialize the snmp variables and counters inside the struct netif.
+ * The last argument should be replaced with your link speed, in units
+ * of bits per second.
+ */
+ NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);
+
+ netif->state = quadradioif;
+ netif->name[0] = IFNAME0;
+ netif->name[1] = IFNAME1;
+ /* We directly use etharp_output() here to save a function call.
+ * You can instead declare your own function an call etharp_output()
+ * from it if you have to do some checks before sending (e.g. if link
+ * is available...) */
+ netif->output = etharp_output;
+ netif->linkoutput = low_level_output;
+
+ quadradioif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
+
+ /* initialize the hardware */
+ low_level_init(netif);
+
+ return ERR_OK;
+}
+
+#endif /* 0 */
diff --git a/firmware/microblaze/lwip_port/netif/eth_driver.h b/firmware/microblaze/lwip_port/netif/eth_driver.h
new file mode 100644
index 000000000..72a212091
--- /dev/null
+++ b/firmware/microblaze/lwip_port/netif/eth_driver.h
@@ -0,0 +1,23 @@
+/* -*- c -*- */
+/*
+ * Copyright 2010 Ettus Research LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qpn_port.h"
+
+void eth_driver_init(QActive *);
+void eth_driver_handle_input(int ethno, int bufno, size_t nbytes);
+void eth_driver_buffer_sig(int bufno);