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Merge remote-tracking branch 'origin/master' into ieee802154

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This commit is contained in:
Gregory Nutt 2017-04-03 15:28:46 -06:00
commit ca7040b7c1
21 changed files with 1734 additions and 113 deletions
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6
configs/sim/README.txt
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@ -807,6 +807,12 @@ pashello
Configures to use apps/examples/pashello.
sixlowpan
This configuration was intended only for unit-level testing of the
6loWPAN stack. It enables networking with 6loWPAN support and uses
only a IEEE802.15.4 MAC loopback network device to supported testing.
touchscreen
This configuration uses the simple touchscreen test at

128
configs/sim/sixlowpan/Make.defs Normal file
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@ -0,0 +1,128 @@
############################################################################
# configs/sim/sixlowpan/Make.defs
#
# Copyright (C) 2017 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.
#
############################################################################
include ${TOPDIR}/.config
include ${TOPDIR}/tools/Config.mk
HOSTOS = ${shell uname -o 2>/dev/null || echo "Other"}
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
ARCHOPTIMIZATION = -g
endif
ifneq ($(CONFIG_DEBUG_NOOPT),y)
ARCHOPTIMIZATION += -O2
endif
ARCHCPUFLAGS = -fno-builtin
ARCHCPUFLAGSXX = -fno-builtin -fno-exceptions -fcheck-new -fno-rtti
ARCHPICFLAGS = -fpic
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
ARCHWARNINGSXX = -Wall -Wshadow -Wundef
ARCHDEFINES =
ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
ARCHINCLUDESXX = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
ARCHSCRIPT =
ifeq ($(CONFIG_SIM_M32),y)
ARCHCPUFLAGS += -m32
ARCHCPUFLAGSXX += -m32
endif
CROSSDEV =
CC = $(CROSSDEV)gcc
CXX = $(CROSSDEV)g++
CPP = $(CROSSDEV)gcc -E
LD = $(CROSSDEV)ld
AR = $(CROSSDEV)ar rcs
NM = $(CROSSDEV)nm
OBJCOPY = $(CROSSDEV)objcopy
OBJDUMP = $(CROSSDEV)objdump
CFLAGS = $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
$(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CXXFLAGS = $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) \
$(ARCHCPUFLAGSXX) $(ARCHINCLUDESXX) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
AFLAGS = $(CFLAGS) -D__ASSEMBLY__
# ELF module definitions
CELFFLAGS = $(CFLAGS)
CXXELFFLAGS = $(CXXFLAGS)
LDELFFLAGS = -r -e main
ifeq ($(WINTOOL),y)
LDELFFLAGS += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld}"
else
LDELFFLAGS += -T $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/gnu-elf.ld
endif
ASMEXT = .S
OBJEXT = .o
LIBEXT = .a
ifeq ($(HOSTOS),Cygwin)
EXEEXT = .exe
else
EXEEXT =
endif
LDLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(LD)
CCLINKFLAGS = $(ARCHSCRIPT) # Link flags used with $(CC)
LDFLAGS = $(ARCHSCRIPT) # For backward compatibility, same as CCLINKFLAGS
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
LDLINKFLAGS += -g
CCLINKFLAGS += -g
LDFLAGS += -g
endif
ifeq ($(CONFIG_SIM_M32),y)
LDLINKFLAGS += -melf_i386
CCLINKFLAGS += -m32
LDFLAGS += -m32
endif
MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
HOSTCC = gcc
HOSTINCLUDES = -I.
HOSTCFLAGS = $(ARCHWARNINGS) $(ARCHOPTIMIZATION) \
$(ARCHCPUFLAGS) $(HOSTINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
HOSTLDFLAGS =

1175
configs/sim/sixlowpan/defconfig Normal file
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File diff suppressed because it is too large Load Diff

45
configs/sim/sixlowpan/setenv.sh Normal file
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@ -0,0 +1,45 @@
#!/bin/bash
# sim/sixlowpan/setenv.sh
#
# Copyright (C) 2017 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.
#
if [ "$(basename $0)" = "setenv.sh" ] ; then
echo "You must source this script, not run it!" 1>&2
exit 1
fi
if [ -z ${PATH_ORIG} ]; then export PATH_ORIG=${PATH}; fi
#export NUTTX_BIN=
#export PATH=${NUTTX_BIN}:/sbin:/usr/sbin:${PATH_ORIG}
echo "PATH : ${PATH}"

16
configs/sim/src/sim_boot.c
View File

@ -42,22 +42,6 @@
#include "sim.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/

11
configs/sim/src/sim_bringup.c
View File

@ -47,6 +47,7 @@
#include <nuttx/board.h>
#include <nuttx/clock.h>
#include <nuttx/timers/oneshot.h>
#include <nuttx/wireless/ieee802154/ieee802154_loopback.h>
#include "up_internal.h"
#include "sim.h"
@ -139,5 +140,15 @@ int sim_bringup(void)
}
#endif
#ifdef CONFIG_IEEE802154_LOOPBACK
/* Initialize and register the IEEE802.15.4 MAC network loop device */
ret = ieee8021514_loopback();
if (ret < 0)
{
_err("ERROR: ieee8021514_loopback() failed: %d\n", ret);
}
#endif
return OK;
}

14
include/nuttx/net/ip.h
View File

@ -547,7 +547,7 @@ bool net_ipv6addr_maskcmp(const net_ipv6addr_t addr1,
#define net_is_addr_loopback(a) \
((a)[0] == 0 && (a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && (a)[7] == 0x0001)
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && (a)[7] == HTONS(0x0001))
/****************************************************************************
* Name: net_is_addr_unspecified
@ -569,7 +569,7 @@ bool net_ipv6addr_maskcmp(const net_ipv6addr_t addr1,
*
****************************************************************************/
#define net_is_addr_mcast(a) (((a)[0] & 0xff00) == 0xff00)
#define net_is_addr_mcast(a) (((a)[0] & HTONS(0xff00)) == HTONS(0xff00))
/****************************************************************************
* Name: net_is_addr_linklocal_allnodes_mcast
@ -580,8 +580,8 @@ bool net_ipv6addr_maskcmp(const net_ipv6addr_t addr1,
****************************************************************************/
#define net_is_addr_linklocal_allnodes_mcast(a) \
((a)[0] == 0xff02 && (a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && (a)[7] == 0x0001)
((a)[0] == HTONS(0xff02) && (a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && (a)[7] == HTONS(0x0001))
/****************************************************************************
* Name: net_is_addr_linklocal_allrouters_mcast
@ -592,8 +592,8 @@ bool net_ipv6addr_maskcmp(const net_ipv6addr_t addr1,
****************************************************************************/
#define net_is_addr_linklocal_allrouters_mcast(a) \
((a)[0] == 0xff02 && (a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && (a)[7] == 0x0002)
((a)[0] == HTONS(0xff02) && (a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && (a)[7] == HTOS(0x0002))
/****************************************************************************
* Name: net_is_addr_linklocal
@ -603,7 +603,7 @@ bool net_ipv6addr_maskcmp(const net_ipv6addr_t addr1,
*
****************************************************************************/
#define net_is_addr_linklocal(a) ((a)[0] == 0xfe80)
#define net_is_addr_linklocal(a) ((a)[0] == HTONS(0xfe80))
/****************************************************************************
* Name: net_ipaddr_mask

73
include/nuttx/wireless/ieee802154/ieee802154_loopback.h Normal file
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@ -0,0 +1,73 @@
/****************************************************************************
* include/nuttx/net/ieee802154.h
*
* Copyright (C) 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Includes some definitions that a compatible with the LGPL GNU C Library
* header file of the same name.
*
* 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.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_WIRELESS_IEEE802154_IEEE802154_LOOPBACK_H
#define __INCLUDE_NUTTX_WIRELESS_IEEE802154_IEEE802154_LOOPBACK_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_IEEE802154_LOOPBACK
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Function: ieee8021514_loopback
*
* Description:
* Initialize and register the Ieee802.15.4 MAC loopback network driver.
*
* Parameters:
* None
*
* Returned Value:
* OK on success; Negated errno on failure.
*
* Assumptions:
*
****************************************************************************/
int ieee8021514_loopback(void);
#endif /* CONFIG_IEEE802154_LOOPBACK */
#endif /* __INCLUDE_NUTTX_WIRELESS_IEEE802154_IEEE802154_LOOPBACK_H */

116
net/devif/devif_poll.c
View File

@ -45,6 +45,7 @@
#include <nuttx/clock.h>
#include <nuttx/net/netconfig.h>
#include <nuttx/net/netdev.h>
#include <nuttx/net/net.h>
#include "devif/devif.h"
#include "arp/arp.h"
@ -55,6 +56,21 @@
#include "icmp/icmp.h"
#include "icmpv6/icmpv6.h"
#include "igmp/igmp.h"
#include "sixlowpan/sixlowpan.h"
/****************************************************************************
* Private Types
****************************************************************************/
enum devif_packet_type
{
DEVIF_PKT = 0,
DEVIF_ICMP,
DEVIF_IGMP,
DEVIF_TCP,
DEVIF_UDP,
DEVIF_ICMP6
};
/****************************************************************************
* Public Data
@ -68,6 +84,78 @@ systime_t g_polltime;
* Private Functions
****************************************************************************/
/****************************************************************************
* Function: devif_packet_conversion
*
* Description:
* Generic output conversion hook. Only needed for IEEE802.15.4 for now
* is a point where support for other conversions may be provided.
*
* TCP output comes through three different mechansims. Either from:
*
* 1. TCP socket output. For the case of TCP output to an
* IEEE802.15.4, the TCP output is caught in the socket
* send()/sendto() logic and and redirected to 6loWPAN logic.
* 2. TCP output from the TCP state machine. That will occur
* during TCP packet processing by the TCP state meachine.
* 3. TCP output resulting from TX or timer polling
*
* Cases 2 is handled here. Logic here detected if (1) an attempt
* to return with d_len > 0 and (2) that the device is an
* IEEE802.15.4 MAC network driver. Under those conditions, 6loWPAN
* logic will be called to create the IEEE80215.4 frames.
*
* Assumptions:
* The network is locked.
*
****************************************************************************/
#ifdef CONFIG_NET_6LOWPAN
static void devif_packet_conversion(FAR struct net_driver_s *dev,
enum devif_packet_type pkttype)
{
#ifdef CONFIG_NET_MULTILINK
/* Handle the case where multiple link layer protocols are supported */
if (dev->d_len > 0 && dev->d_lltype == NET_LL_IEEE802154)
#else
if (dev->d_len > 0)
#endif
{
if (pkttype == DEVIF_TCP)
{
FAR struct ipv6_hdr_s *ipv6 = (FAR struct ipv6_hdr_s *)dev->d_buf;
/* This packet came from a response to TCP polling and is directed
* to an IEEE802.15.4 device using 6loWPAN. Verify that the outgoing
* packet is IPv6 with TCP protocol.
*/
if (ipv6->vtc == IPv6_VERSION && ipv6->proto == IP_PROTO_TCP)
{
/* Let 6loWPAN convert IPv6 TCP output into IEEE802.15.4 frames. */
sixlowpan_tcp_send(dev);
}
else
{
nerr("ERROR: IPv6 version or protocol error. Packet dropped\n");
nerr(" IP version: %02x proocol: %u\n",
ipv6->vtc, ipv6->proto);
}
}
else
{
nerr("ERROR: Non-TCP packet dropped. Packet type: %u\n", pkttype);
}
dev->d_len = 0;
}
}
#else
# define devif_packet_conversion(dev,pkttype)
#endif /* CONFIG_NET_6LOWPAN */
/****************************************************************************
* Function: devif_poll_pkt_connections
*
@ -95,6 +183,10 @@ static int devif_poll_pkt_connections(FAR struct net_driver_s *dev,
pkt_poll(dev, pkt_conn);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_PKT);
/* Call back into the driver */
bstop = callback(dev);
@ -120,6 +212,10 @@ static inline int devif_poll_icmp(FAR struct net_driver_s *dev,
icmp_poll(dev);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_ICMP);
/* Call back into the driver */
return callback(dev);
@ -142,6 +238,10 @@ static inline int devif_poll_icmpv6(FAR struct net_driver_s *dev,
icmpv6_poll(dev);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_ICMP6);
/* Call back into the driver */
return callback(dev);
@ -168,6 +268,10 @@ static inline int devif_poll_igmp(FAR struct net_driver_s *dev,
igmp_poll(dev);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_IGMP);
/* Call back into the driver */
return callback(dev);
@ -201,6 +305,10 @@ static int devif_poll_udp_connections(FAR struct net_driver_s *dev,
udp_poll(dev, conn);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_UDP);
/* Call back into the driver */
bstop = callback(dev);
@ -237,6 +345,10 @@ static inline int devif_poll_tcp_connections(FAR struct net_driver_s *dev,
tcp_poll(dev, conn);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_TCP);
/* Call back into the driver */
bstop = callback(dev);
@ -277,6 +389,10 @@ static inline int devif_poll_tcp_timer(FAR struct net_driver_s *dev,
tcp_timer(dev, conn, hsec);
/* Perform any necessary conversions on outgoing packets */
devif_packet_conversion(dev, DEVIF_TCP);
/* Call back into the driver */
bstop = callback(dev);

23
net/devif/ipv6_input.c
View File

@ -261,24 +261,29 @@ int ipv6_input(FAR struct net_driver_s *dev)
tcp_ipv6_input(dev);
#ifdef CONFIG_NET_6LOWPAN
/* TCP output comes through two different mechansims. Either from:
/* TCP output comes through three different mechansims. Either from:
*
* 1. TCP socket output. For the case of TCP output to an
* IEEE802.15.4, the TCP output is caught in the socket
* send()/sendto() logic and and redirected to 6loWPAN logic.
* 2. TCP output from the TCP state machine. That will pass
* here and can be detected if d_len > 0. It will be redirected
* to 6loWPAN logic here.
* 2. TCP output from the TCP state machine. That will occur
* during TCP packet processing by the TCP state meachine.
* 3. TCP output resulting from TX or timer polling
*
* Cases 2 is handled here. Logic here detected if (1) an attempt
* to return with d_len > 0 and (2) that the device is an
* IEEE802.15.4 MAC network driver. Under those conditions, 6loWPAN
* logic will be called to create the IEEE80215.4 frames.
*/
#ifdef CONFIG_NET_MULTILINK
/* Handle the case where multiple link layer protocols are supported */
/* Handle the case where multiple link layer protocols are supported */
if (dev->d_len > 0 && dev->d_lltype == CONFIG_NET_6LOWPAN)
if (dev->d_len > 0 && dev->d_lltype == CONFIG_NET_6LOWPAN)
#else
if (dev->d_len > 0)
if (dev->d_len > 0)
#endif
{
{
/* Let 6loWPAN handle the TCP output */
sixlowpan_tcp_send(dev);
@ -286,7 +291,7 @@ int ipv6_input(FAR struct net_driver_s *dev)
/* Drop the packet in the d_buf */
goto drop;
}
}
#endif /* CONFIG_NET_6LOWPAN */
break;
#endif /* NET_TCP_HAVE_STACK */

50
net/procfs/netdev_statistics.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* net/procfs/netdev_statistics.c
*
* Copyright (C) 2015 Gregory Nutt. All rights reserved.
* Copyright (C) 2015, 2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -47,6 +47,7 @@
#include <netinet/ether.h>
#include <nuttx/net/netdev.h>
#include <nuttx/net/sixlowpan.h>
#include "netdev/netdev.h"
#include "utils/utils.h"
@ -106,6 +107,9 @@ static const linegen_t g_linegen[] =
static int netprocfs_linklayer(FAR struct netprocfs_file_s *netfile)
{
FAR struct net_driver_s *dev;
#ifdef CONFIG_NET_6LOWPAN
FAR struct ieee802154_driver_s *ieee;
#endif
FAR const char *status;
int len = 0;
@ -142,6 +146,30 @@ static int netprocfs_linklayer(FAR struct netprocfs_file_s *netfile)
break;
#endif
#ifdef CONFIG_NET_6LOWPAN
case NET_LL_IEEE802154:
{
ieee = (FAR struct ieee802154_driver_s *)dev;
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
len += snprintf(&netfile->line[len], NET_LINELEN - len,
"%s\tLink encap:6loWPAN HWaddr %02x:%02x",
dev->d_ifname,
ieee->i_nodeaddr.u8[0], ieee->i_nodeaddr.u8[1]);
#else /* CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8 */
len += snprintf(&netfile->line[len], NET_LINELEN - len,
"%s\tLink encap:6loWPAN HWaddr "
"%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
dev->d_ifname,
ieee->i_nodeaddr.u8[0], ieee->i_nodeaddr.u8[1],
ieee->i_nodeaddr.u8[2], ieee->i_nodeaddr.u8[3],
ieee->i_nodeaddr.u8[4], ieee->i_nodeaddr.u8[5],
ieee->i_nodeaddr.u8[6], ieee->i_nodeaddr.u8[7]);
#endif
}
break;
#endif
#ifdef CONFIG_NET_LOOPBACK
case NET_LL_LOOPBACK:
len += snprintf(&netfile->line[len], NET_LINELEN - len,
@ -184,6 +212,26 @@ static int netprocfs_linklayer(FAR struct netprocfs_file_s *netfile)
"%s\tLink encap:Ethernet HWaddr %s at %s\n",
dev->d_ifname, ether_ntoa(&dev->d_mac), status);
#elif defined(CONFIG_NET_6LOWPAN)
ieee = (FAR struct ieee802154_driver_s *)dev;
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
len += snprintf(&netfile->line[len], NET_LINELEN - len,
"%s\tLink encap:6loWPAN HWaddr %02x:%02x at %s",
dev->d_ifname,
ieee->i_nodeaddr.u8[0], ieee->i_nodeaddr.u8[1],
status);
#else /* CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8 */
len += snprintf(&netfile->line[len], NET_LINELEN - len,
"%s\tLink encap:6loWPAN HWaddr "
"%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x at %s",
dev->d_ifname,
ieee->i_nodeaddr.u8[0], ieee->i_nodeaddr.u8[1],
ieee->i_nodeaddr.u8[2], ieee->i_nodeaddr.u8[3],
ieee->i_nodeaddr.u8[4], ieee->i_nodeaddr.u8[5],
ieee->i_nodeaddr.u8[6], ieee->i_nodeaddr.u8[7],
status);
#endif
#elif defined(CONFIG_NET_LOOPBACK)
len += snprintf(&netfile->line[len], NET_LINELEN - len,
"%s\tLink encap:Local Loopback at %s\n",

13
net/sixlowpan/sixlowpan.h
View File

@ -110,15 +110,20 @@ ssize_t psock_6lowpan_tcp_send(FAR struct socket *psock, FAR const void *buf,
* Function: sixlowpan_tcp_send
*
* Description:
* TCP output comes through two different mechansims. Either from:
* TCP output comes through three different mechansims. Either from:
*
* 1. TCP socket output. For the case of TCP output to an
* IEEE802.15.4, the TCP output is caught in the socket
* send()/sendto() logic and and redirected to psock_6lowpan_tcp_send().
* 2. TCP output from the TCP state machine. That will occur
* during TCP packet processing by the TCP state meachine. It
* is detected there when ipv6_tcp_input() returns with d_len > 0. This
* will be redirected here.
* during TCP packet processing by the TCP state meachine.
* 3. TCP output resulting from TX or timer polling
*
* Cases 2 and 3 will be handled here. Logic in ipv6_tcp_input(),
* devif_poll(), and devif_timer() detect if (1) an attempt to return with
* d_len > 0 and (2) that the device is an IEEE802.15.4 MAC network
* driver. Under those conditions, this function will be called to create
* the IEEE80215.4 frames.
*
* Parameters:
* dev - An instance of nework device state structure

3
net/sixlowpan/sixlowpan_hc06.c
View File

@ -455,7 +455,8 @@ void sixlowpan_compresshdr_hc06(FAR struct ieee802154_driver_s *ieee,
uint8_t iphc1;
uint8_t tmp;
ninfodumpbuffer("IPv6 before compression", ipv6, sizeof(ipv6_hdr_s));
ninfodumpbuffer("IPv6 before compression", (FAR const uint8_t *)ipv6,
sizeof(struct ipv6_hdr_s));
g_hc06ptr = g_rimeptr + 2;

3
net/sixlowpan/sixlowpan_input.c
View File

@ -470,7 +470,8 @@ copypayload:
}
#endif /* CONFIG_NET_6LOWPAN_FRAG */
ninfodumpbuffer("IPv6 header", IPv6BUF(ieee->i_dev), IPv6_HDRLEN)
ninfodumpbuffer("IPv6 header", (FAR const uint8_t *)IPv6BUF(&ieee->i_dev),
IPv6_HDRLEN);
return OK;
}

13
net/sixlowpan/sixlowpan_internal.h
View File

@ -243,7 +243,8 @@
*/
#define SIXLOWPAN_IS_IID_16BIT_COMPRESSABLE(a) \
((((a)[4]) == 0x0000) && (((a)[5]) == 0x00ff) && (((a)[6]) == 0xfe00))
((((a)[4]) == 0x0000) && (((a)[5]) == HTONS(0x00ff)) && \
(((a)[6]) == 0xfe00))
/* Check whether the 9-bit group-id of the compressed multicast address is
* known. It is true if the 9-bit group is the all nodes or all routers
@ -265,27 +266,27 @@
#define SIXLOWPAN_IS_MCASTADDR_COMPRESSABLE(a) \
((a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && \
((a)[7] == 0x0001 || (a)[7] == 0x0002))
((a)[7] == HTONS(0x0001) || (a)[7] == HTONS(0x0002)))
/* FFXX:0000:0000:0000:0000:00XX:XXXX:XXXX */
#define SIXLOWPAN_IS_MCASTADDR_COMPRESSABLE48(a) \
((a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (((a)[5] & 0xff00) == 0))
(a)[4] == 0 && (((a)[5] & HTONS(0xff00)) == 0))
/* FFXX:0000:0000:0000:0000:0000:00XX:XXXX */
#define SIXLOWPAN_IS_MCASTADDR_COMPRESSABLE32(a) \
((a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && ((a)[6] & 0xff00) == 0)
(a)[4] == 0 && (a)[5] == 0 && ((a)[6] & HTONS(0xff00)) == 0)
/* FF02:0000:0000:0000:0000:0000:0000:00XX */
#define SIXLOWPAN_IS_MCASTADDR_COMPRESSABLE8(a) \
((((a)[0] & 0x00ff) == 0x0002) && \
((((a)[0] & HTONS(0x00ff)) == HTONS(0x0002)) && \
(a)[1] == 0 && (a)[2] == 0 && (a)[3] == 0 && \
(a)[4] == 0 && (a)[5] == 0 && (a)[6] == 0 && \
(((a)[7] & 0xff00) == 0x0000))
(((a)[7] & HTONS(0xff00)) == 0x0000))
/* General helper macros ****************************************************/

26
net/sixlowpan/sixlowpan_tcpsend.c
View File

@ -155,6 +155,8 @@ ssize_t psock_6lowpan_tcp_send(FAR struct socket *psock, FAR const void *buf,
uint16_t iplen;
int ret;
ninfo("buflen %lu\n", (unsigned long)buflen);
DEBUGASSERT(psock != NULL && psock->s_crefs > 0);
DEBUGASSERT(psock->s_type == SOCK_STREAM);
@ -249,7 +251,8 @@ ssize_t psock_6lowpan_tcp_send(FAR struct socket *psock, FAR const void *buf,
net_ipv6addr_hdrcopy(ipv6tcp.ipv6.srcipaddr, conn->u.ipv6.laddr);
net_ipv6addr_hdrcopy(ipv6tcp.ipv6.destipaddr, conn->u.ipv6.raddr);
ninfo("IPv6 length: %d\n", ((int)ipv6->len[0] << 8) + ipv6->len[1]);
ninfo("IPv6 length: %d\n",
((int)ipv6tcp.ipv6.len[0] << 8) + ipv6tcp.ipv6.len[1]);
#ifdef CONFIG_NET_STATISTICS
g_netstats.ipv6.sent++;
@ -289,7 +292,7 @@ ssize_t psock_6lowpan_tcp_send(FAR struct socket *psock, FAR const void *buf,
ipv6tcp.tcp.tcpchksum = 0;
ipv6tcp.tcp.tcpchksum = ~sixlowpan_tcp_chksum(&ipv6tcp, buf, buflen);
ninfo("Outgoing TCP packet length: %d bytes\n", iplen + IOPv6_HDRLEN);
ninfo("Outgoing TCP packet length: %d bytes\n", iplen + IPv6_HDRLEN);
#ifdef CONFIG_NET_STATISTICS
g_netstats.tcp.sent++;
@ -332,15 +335,20 @@ ssize_t psock_6lowpan_tcp_send(FAR struct socket *psock, FAR const void *buf,
* Function: sixlowpan_tcp_send
*
* Description:
* TCP output comes through two different mechansims. Either from:
* TCP output comes through three different mechansims. Either from:
*
* 1. TCP socket output. For the case of TCP output to an
* IEEE802.15.4, the TCP output is caught in the socket
* send()/sendto() logic and and redirected to psock_6lowpan_tcp_send().
* 2. TCP output from the TCP state machine. That will occur
* during TCP packet processing by the TCP state meachine. It
* is detected there when ipv6_tcp_input() returns with d_len > 0. This
* will be redirected here.
* during TCP packet processing by the TCP state meachine.
* 3. TCP output resulting from TX or timer polling
*
* Cases 2 and 3 will be handled here. Logic in ipv6_tcp_input(),
* devif_poll(), and devif_timer() detect if (1) an attempt to return with
* d_len > 0 and (2) that the device is an IEEE802.15.4 MAC network
* driver. Under those conditions, this function will be called to create
* the IEEE80215.4 frames.
*
* Parameters:
* dev - An instance of nework device state structure
@ -359,6 +367,8 @@ void sixlowpan_tcp_send(FAR struct net_driver_s *dev)
/* Double check */
ninfo("d_len %u\n", dev->d_len);
if (dev != NULL && dev->d_len > 0)
{
FAR struct ipv6_hdr_s *ipv6hdr;
@ -383,10 +393,10 @@ void sixlowpan_tcp_send(FAR struct net_driver_s *dev)
size_t hdrlen;
hdrlen = IPv6_HDRLEN + TCP_HDRLEN;
if (hdrlen < dev->d_len)
if (hdrlen > dev->d_len)
{
nwarn("WARNING: Packet to small: Have %u need >%u\n",
dev->d_len, hdrlen);
dev->d_len, hdrlen);
}
else
{

3
net/sixlowpan/sixlowpan_udpsend.c
View File

@ -263,7 +263,8 @@ ssize_t psock_6lowpan_udp_sendto(FAR struct socket *psock,
net_ipv6addr_hdrcopy(ipv6udp.ipv6.srcipaddr, to6->sin6_addr.in6_u.u6_addr16);
net_ipv6addr_hdrcopy(ipv6udp.ipv6.destipaddr, conn->u.ipv6.raddr);
ninfo("IPv6 length: %d\n", ((int)ipv6->len[0] << 8) + ipv6->len[1]);
ninfo("IPv6 length: %d\n",
((int)ipv6udp.ipv6.len[0] << 8) + ipv6udp.ipv6.len[1]);
#ifdef CONFIG_NET_STATISTICS
g_netstats.ipv6.sent++;

8
net/sixlowpan/sixlowpan_utils.c
View File

@ -116,7 +116,7 @@ void sixlowpan_ipfromrime(FAR const struct rimeaddr_s *rime,
net_ipv6addr_t ipaddr)
{
memset(ipaddr, 0, sizeof(net_ipv6addr_t));
ipaddr[0] = 0xfe80;
ipaddr[0] = HTONS(0xfe80);
/* We consider only links with IEEE EUI-64 identifier or IEEE 48-bit MAC
* addresses. NOTE: that CONFIG_NET_6LOWPAN_RIMEADDR_SIZE may be 2 or
@ -128,7 +128,7 @@ void sixlowpan_ipfromrime(FAR const struct rimeaddr_s *rime,
*/
memcpy(&ipaddr[4], rime, CONFIG_NET_6LOWPAN_RIMEADDR_SIZE);
ipaddr[4] ^= 0x0200;
ipaddr[4] ^= HTONS(0x0200);
}
/****************************************************************************
@ -174,10 +174,10 @@ bool sixlowpan_ismacbased(const net_ipv6addr_t ipaddr,
FAR const uint8_t *rimeptr = rime->u8;
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
return ((ipaddr[4] == (GETINT16(rimeptr, 0) ^ 0x0200)) &&
return ((ipaddr[4] == htons((GETINT16(rimeptr, 0) ^ 0x0200))) &&
ipaddr[5] == 0 && ipaddr[6] == 0 && ipaddr[7] == 0);
#else /* CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8 */
return ((ipaddr[4] == (GETINT16(rimeptr, 0) ^ 0x0200)) &&
return ((ipaddr[4] == htons((GETINT16(rimeptr, 0) ^ 0x0200))) &&
ipaddr[5] == GETINT16(rimeptr, 2) &&
ipaddr[6] == GETINT16(rimeptr, 4) &&
ipaddr[7] == GETINT16(rimeptr, 6));

1
net/tcp/tcp_finddev.c
View File

@ -250,7 +250,6 @@ int tcp_local_ipv6_device(FAR struct tcp_conn_s *conn)
#else
return tcp_find_ipv6_device(conn, NULL);
#endif
}
#endif /* CONFIG_NET_IPv6 */

25
wireless/ieee802154/Kconfig
View File

@ -45,29 +45,6 @@ config IEEE802154_LOOPBACK
---help---
Add support for the IEEE802154 6loWPAN Loopback test device.
if IEEE802154_LOOPBACK
choice
prompt "Work queue"
default IEEE802154_LOOPBACK_LPWORK if SCHED_LPWORK
default IEEE802154_LOOPBACK_HPWORK if !SCHED_LPWORK && SCHED_HPWORK
depends on SCHED_WORKQUEUE
---help---
Work queue support is required to use the loopback driver. If the
low priority work queue is available, then it should be used by the
loopback driver.
config IEEE802154_LOOPBACK_HPWORK
bool "High priority"
depends on SCHED_HPWORK
config IEEE802154_LOOPBACK_LPWORK
bool "Low priority"
depends on SCHED_LPWORK
endchoice # Work queue
endif # IEEE802154_LOOPBACK
config IEEE802154_LOOPBACK
bool "IEEE802154 6loWPAN Loopback"
default n
@ -99,4 +76,4 @@ config IEEE802154_LOOPBACK_LPWORK
endchoice # Work queue
endif # IEEE802154_LOOPBACK
endif # IEEE802154
endif # WIRELESS_IEEE802154

95
wireless/ieee802154/mac802154_loopback.c
View File

@ -53,11 +53,8 @@
#include <nuttx/wqueue.h>
#include <nuttx/net/net.h>
#include <nuttx/net/ip.h>
#include <nuttx/net/loopback.h>
#ifndef CONFIG_NET_LOOPBACK
# include <nuttx/net/sixlowpan.h>
#endif
#include <nuttx/net/sixlowpan.h>
#include <nuttx/wireless/ieee802154/ieee802154_loopback.h>
#ifdef CONFIG_IEEE802154_LOOPBACK
@ -110,14 +107,6 @@ struct lo_driver_s
static struct lo_driver_s g_loopback;
static uint8_t g_iobuffer[CONFIG_NET_6LOWPAN_MTU + CONFIG_NET_GUARDSIZE];
#ifndef CONFIG_NET_LOOPBACK
static const net_ipv6addr_t g_lo_ipv6addr =
{
HTONS(0), HTONS(0), HTONS(0), HTONS(0),
HTONS(0), HTONS(0), HTONS(0), HTONS(1)
};
#endif
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
@ -173,6 +162,22 @@ static int lo_txpoll(FAR struct net_driver_s *dev)
FAR struct iob_s *iob;
int ret;
if (dev->d_len > 0 || priv->lo_ieee.i_framelist != NULL)
{
ninfo("d_len: %u i_framelist: %p\n",
dev->d_len, priv->lo_ieee.i_framelist);
/* The only two valid settings are:
*
* 1. Nothing to send:
* dev->d_len == 0 && priv->lo_ieee.i_framelist == NULL
* 2. Outgoing packet has been converted to IEEE802.15.4 frames:
* dev->d_len == 0 && priv->lo_ieee.i_framelist != NULL
*/
DEBUGASSERT(dev->d_len == 0 && priv->lo_ieee.i_framelist != NULL);
}
/* Remove the queued IOBs from driver structure */
head = priv->lo_ieee.i_framelist;
@ -309,6 +314,11 @@ static void lo_poll_expiry(int argc, wdparm_t arg, ...)
{
FAR struct lo_driver_s *priv = (FAR struct lo_driver_s *)arg;
if (!work_available(&priv->lo_work))
{
nwarn("WARNING: lo_work NOT available\n");
}
/* Schedule to perform the interrupt processing on the worker thread. */
work_queue(LPBKWORK, &priv->lo_work, lo_poll_work, priv, 0);
@ -335,14 +345,22 @@ static int lo_ifup(FAR struct net_driver_s *dev)
{
FAR struct lo_driver_s *priv = (FAR struct lo_driver_s *)dev->d_private;
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
ninfo("Bringing up: Rime %02x:%02x PANID=%04x\n",
dev->d_ipv6addr[0], dev->d_ipv6addr[1], priv->lo_ieee.i_panid);
#elif CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8
ninfo("Bringing up: Rime %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x PANID=%04x\n",
ninfo("Bringing up: IPv6 %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
dev->d_ipv6addr[0], dev->d_ipv6addr[1], dev->d_ipv6addr[2],
dev->d_ipv6addr[3], dev->d_ipv6addr[4], dev->d_ipv6addr[5],
dev->d_ipv6addr[6], dev->d_ipv6addr[7], priv->lo_ieee.i_panid);
dev->d_ipv6addr[6], dev->d_ipv6addr[7]);
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
ninfo(" Node: %02x:%02x PANID=%04x\n",
priv->lo_ieee.i_nodeaddr.u8[0], priv->lo_ieee.i_nodeaddr.u8[1],
priv->lo_ieee.i_panid);
#else /* CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8 */
ninfo(" Node: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x PANID=%04x\n",
priv->lo_ieee.i_nodeaddr.u8[0], priv->lo_ieee.i_nodeaddr.u8[1],
priv->lo_ieee.i_nodeaddr.u8[2], priv->lo_ieee.i_nodeaddr.u8[3],
priv->lo_ieee.i_nodeaddr.u8[4], priv->lo_ieee.i_nodeaddr.u8[5],
priv->lo_ieee.i_nodeaddr.u8[6], priv->lo_ieee.i_nodeaddr.u8[7],
priv->lo_ieee.i_panid);
#endif
/* Set and activate a timer process */
@ -374,6 +392,8 @@ static int lo_ifdown(FAR struct net_driver_s *dev)
{
FAR struct lo_driver_s *priv = (FAR struct lo_driver_s *)dev->d_private;
ninfo("IP up: %u\n", priv->lo_bifup);
/* Cancel the TX poll timer and TX timeout timers */
wd_cancel(priv->lo_polldog);
@ -405,6 +425,8 @@ static void lo_txavail_work(FAR void *arg)
{
FAR struct lo_driver_s *priv = (FAR struct lo_driver_s *)arg;
ninfo("IP up: %u\n", priv->lo_bifup);
/* Ignore the notification if the interface is not yet up */
net_lock();
@ -446,6 +468,8 @@ static int lo_txavail(FAR struct net_driver_s *dev)
{
FAR struct lo_driver_s *priv = (FAR struct lo_driver_s *)dev->d_private;
ninfo("Available: %u\n", work_available(&priv->lo_work));
/* Is our single work structure available? It may not be if there are
* pending interrupt actions and we will have to ignore the Tx
* availability action.
@ -482,6 +506,14 @@ static int lo_txavail(FAR struct net_driver_s *dev)
#if defined(CONFIG_NET_IGMP) || defined(CONFIG_NET_ICMPv6)
static int lo_addmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
{
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
ninfo("MAC: %02x:%02x\n",
mac[0], mac[1]);
#else /* CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8 */
ninfo("MAC: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], mac[6], mac[7]);
#endif
/* There is no multicast support in the loopback driver */
return OK;
@ -509,6 +541,14 @@ static int lo_addmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
#ifdef CONFIG_NET_IGMP
static int lo_rmmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
{
#if CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 2
ninfo("MAC: %02x:%02x\n",
mac[0], mac[1]);
#else /* CONFIG_NET_6LOWPAN_RIMEADDR_SIZE == 8 */
ninfo("MAC: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], mac[6], mac[7]);
#endif
/* There is no multicast support in the loopback driver */
return OK;
@ -520,14 +560,13 @@ static int lo_rmmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
****************************************************************************/
/****************************************************************************
* Function: localhost_initialize
* Function: ieee8021514_loopback
*
* Description:
* Initialize the Ethernet controller and driver
* Initialize and register the Ieee802.15.4 MAC loopback network driver.
*
* Parameters:
* intf - In the case where there are multiple EMACs, this value
* identifies which EMAC is to be initialized.
* None
*
* Returned Value:
* OK on success; Negated errno on failure.
@ -536,11 +575,13 @@ static int lo_rmmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
*
****************************************************************************/
int localhost_initialize(void)
int ieee8021514_loopback(void)
{
FAR struct lo_driver_s *priv;
FAR struct net_driver_s *dev;
ninfo("Initializing\n");
/* Get the interface structure associated with this interface number. */
priv = &g_loopback;
@ -570,12 +611,6 @@ int localhost_initialize(void)
(void)netdev_register(&priv->lo_ieee.i_dev, NET_LL_IEEE802154);
/* Set the local loopback IP address */
net_ipv6addr_copy(dev->d_ipv6addr, g_lo_ipv6addr);
net_ipv6addr_copy(dev->d_ipv6draddr, g_lo_ipv6addr);
net_ipv6addr_copy(dev->d_ipv6netmask, g_ipv6_alloneaddr);
/* Put the network in the UP state */
dev->d_flags = IFF_UP;