Merge pull request #1282 from farcaller/nativenet

Basic NETSTACK_CONF_RADIO based on kernel 802.15.4

cpu/native/net/linuxradio-drv.c

@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2013, Google
+ * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * Author: Vladimir Pouzanov <farcaller@gmail.com>
+ *
+ */
+
+#include "contiki.h"
+#include "contiki-conf.h"
+
+#if defined(linux) && UIP_CONF_IPV6
+
+#include "linuxradio-drv.h"
+
+#include "net/packetbuf.h"
+#include "net/netstack.h"
+
+#include <sys/ioctl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <netinet/if_ether.h>
+#include <netpacket/packet.h>
+#include <net/if.h>
+#include <linux/sockios.h>
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#define PRINTF(...) printf(__VA_ARGS__)
+#else
+#define PRINTF(...)
+#endif
+
+static int sockfd = -1;
+static char *sockbuf;
+static int buflen;
+
+#define MAX_PACKET_SIZE 256
+
+static int
+init(void)
+{
+  sockbuf = malloc(MAX_PACKET_SIZE);
+  if(sockbuf == 0) {
+    return 1;
+  }
+  return 0;
+}
+static int
+prepare(const void *payload, unsigned short payload_len)
+{
+  if(payload_len > MAX_PACKET_SIZE) {
+    return 0;
+  }
+  memcpy(sockbuf, payload, payload_len);
+  buflen = payload_len;
+
+  return 0;
+}
+static int
+transmit(unsigned short transmit_len)
+{
+  int sent = 0;
+  sent = send(sockfd, sockbuf, buflen, 0);
+  if(sent < 0) {
+    perror("linuxradio send()");
+    return RADIO_TX_ERR;
+  }
+  buflen = 0;
+  return RADIO_TX_OK;
+}
+static int
+my_send(const void *payload, unsigned short payload_len)
+{
+  int ret = -1;
+
+  if(prepare(payload, payload_len)) {
+    return ret;
+  }
+
+  ret = transmit(payload_len);
+
+  return ret;
+}
+static int
+my_read(void *buf, unsigned short buf_len)
+{
+  return 0;
+}
+static int
+channel_clear(void)
+{
+  return 1;
+}
+static int
+receiving_packet(void)
+{
+  return 0;
+}
+static int
+pending_packet(void)
+{
+  return 0;
+}
+static int
+set_fd(fd_set *rset, fd_set *wset)
+{
+  FD_SET(sockfd, rset);
+  return 1;
+}
+static void
+handle_fd(fd_set *rset, fd_set *wset)
+{
+  if(FD_ISSET(sockfd, rset)) {
+    int bytes = read(sockfd, sockbuf, MAX_PACKET_SIZE);
+    buflen = bytes;
+    memcpy(packetbuf_dataptr(), sockbuf, bytes);
+    packetbuf_set_datalen(bytes);
+    NETSTACK_RDC.input();
+  }
+}
+
+static const struct select_callback linuxradio_sock_callback = { set_fd, handle_fd };
+
+static int
+on(void)
+{
+  struct ifreq ifr;
+  int err;
+  struct sockaddr_ll sll;
+
+  sockfd = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_IEEE802154));
+  if(sockfd < 0) {
+    perror("linuxradio socket()");
+    return 0;
+  } else {
+    strncpy((char *)ifr.ifr_name, NETSTACK_CONF_LINUXRADIO_DEV, IFNAMSIZ);
+    err = ioctl(sockfd, SIOCGIFINDEX, &ifr);
+    if(err == -1) {
+      perror("linuxradio ioctl()");
+      return 0;
+    }
+    sll.sll_family = AF_PACKET;
+    sll.sll_ifindex = ifr.ifr_ifindex;
+    sll.sll_protocol = htons(ETH_P_IEEE802154);
+
+    if(bind(sockfd, (struct sockaddr *)&sll, sizeof(sll)) < 0) {
+      perror("linuxradio bind()");
+      return 0;
+    }
+
+    select_set_callback(sockfd, &linuxradio_sock_callback);
+    return 1;
+  }
+}
+static int
+off(void)
+{
+  close(sockfd);
+  sockfd = -1;
+  return 1;
+}
+const struct radio_driver linuxradio_driver =
+{
+  init,
+  prepare,
+  transmit,
+  my_send,
+  my_read,
+  channel_clear,
+  receiving_packet,
+  pending_packet,
+  on,
+  off,
+};
+
+#endif

cpu/native/net/linuxradio-drv.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2013, Google
+ * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * Author: Vladimir Pouzanov <farcaller@gmail.com>
+ *
+ */
+
+#ifndef __LINUXRADIO_DRV_H__
+#define __LINUXRADIO_DRV_H__
+
+#include "dev/radio.h"
+
+extern const struct radio_driver linuxradio_driver;
+
+#endif

platform/minimal-net/Makefile.minimal-net

@@ -14,7 +14,7 @@ CONTIKI_TARGET_SOURCEFILES = contiki-main.c clock.c leds.c leds-arch.c cfs-posix
 ifeq ($(HOST_OS),Windows)
 CONTIKI_TARGET_SOURCEFILES += wpcap-drv.c wpcap.c
 else
-CONTIKI_TARGET_SOURCEFILES += tapdev-drv.c tapdev.c tapdev6.c
+CONTIKI_TARGET_SOURCEFILES += tapdev-drv.c tapdev.c tapdev6.c linuxradio-drv.c
 endif
 
 CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)

platform/minimal-net/contiki-conf.h

@@ -35,6 +35,15 @@
 
 #include <inttypes.h>
 #include <limits.h>
+#ifndef WIN32_LEAN_AND_MEAN
+#include <sys/select.h>
+#endif
+
+struct select_callback {
+  int  (* set_fd)(fd_set *fdr, fd_set *fdw);
+  void (* handle_fd)(fd_set *fdr, fd_set *fdw);
+};
+int select_set_callback(int fd, const struct select_callback *callback);
 
 #define CC_CONF_REGISTER_ARGS          1
 #define CC_CONF_FUNCTION_POINTER_ARGS  1
@@ -151,6 +160,8 @@ typedef unsigned short uip_stats_t;
 /* Not used but avoids compile errors while sicslowpan.c is being developed */
 #define SICSLOWPAN_CONF_COMPRESSION       SICSLOWPAN_COMPRESSION_HC06
 
+#define NETSTACK_CONF_LINUXRADIO_DEV "wpan0"
+
 #define UIP_CONF_UDP                  1
 #define UIP_CONF_TCP                  1
 

platform/native/Makefile.native

@@ -17,7 +17,7 @@ ifeq ($(HOST_OS),Windows)
 CONTIKI_TARGET_SOURCEFILES += wpcap-drv.c wpcap.c
 TARGET_LIBFILES = /lib/w32api/libws2_32.a /lib/w32api/libiphlpapi.a
 else
-CONTIKI_TARGET_SOURCEFILES += tapdev-drv.c
+CONTIKI_TARGET_SOURCEFILES += tapdev-drv.c linuxradio-drv.c
 #math
 ifneq ($(CONTIKI_WITH_IPV6),1)
 CONTIKI_TARGET_SOURCEFILES += tapdev.c

platform/native/contiki-conf.h

@@ -101,6 +101,8 @@ typedef unsigned short uip_stats_t;
 
 #define NETSTACK_CONF_NETWORK sicslowpan_driver
 
+#define NETSTACK_CONF_LINUXRADIO_DEV "wpan0"
+
 #define UIP_CONF_ROUTER                 1
 
 #define SICSLOWPAN_CONF_COMPRESSION             SICSLOWPAN_COMPRESSION_HC06