2015-07-27 17:13 GMT+02:00 Baptiste Clenet <bapclenet@xxxxxxxxx>:
>>> Then forget that and make some at86rf230 driver debug messages. See
>>> "print_hex_dump" [0]. Add this add skb->data in at86rf230_xmit and
>>> at86rf230_rx_read_frame_complete (but after the skb is filled with data,
>>> otherwise it makes no sense).
>>>
>>> This will allow us to see what's the lowest layer is. If the transmit
>>> side looks correct, but receive side looks weird then I suppose
>>> something is wrong again with your spi setup.
>>>
>>> The reason is that we get the lowest dump of the transmitted and
>>> received buffer and nobody touched that buffer then.
>
> I dump the packet in at86rf230_xmit and
> at86rf230_rx_read_frame_complete (just before
> ieee802154_rx_irqsafe(lp->hw, skb, lqi)). This is wireshark analyse of
> the two packets. The first one is correct and comes from the sender,
> the second is from the receiver (I manually created the hex dump file)
> which is wrong! So something seem to occur when the frame goes to the
> transceiver.
> Those dump was created with :
> root@OpenWrt:/#ieee802154_rx_irqsafe(lp->hw, skb, lqi);
>
> No. Time Source Destination
> Protocol Length Info
> 1 0.000000000 fe80::335d:7cf9:67f5:1017 ff02::1:ff3e:c7f1
> ICMPv6 64 Neighbor Solicitation for fe80::a8af:ac69:e53e:c7f1
> from 31:5d:7c:f9:67:f5:10:17
>
> Frame 1: 64 bytes on wire (512 bits), 64 bytes captured (512 bits) on
> interface 0
> Interface id: 0
> Packet flags: 0x00000000
> .... .... .... .... .... .... .... ..00 = Direction: Not
> available (0x00000000)
> .... .... .... .... .... .... ...0 00.. = Reception type: Not
> specified (0)
> .... .... .... .... .... ...0 000. .... = FCS length: 0
> .... .... .... .... 0000 000. .... .... = Reserved: 0
> .... ...0 .... .... .... .... .... .... = CRC error: Not set
> .... ..0. .... .... .... .... .... .... = Packet too long error: Not set
> .... .0.. .... .... .... .... .... .... = Packet too short
> error: Not set
> .... 0... .... .... .... .... .... .... = Wrong interframe gap
> error: Not set
> ...0 .... .... .... .... .... .... .... = Unaligned frame error: Not set
> ..0. .... .... .... .... .... .... .... = Start frame
> delimiter error: Not set
> .0.. .... .... .... .... .... .... .... = Preamble error: Not set
> 0... .... .... .... .... .... .... .... = Symbol error: Not set
> Encapsulation type: IEEE 802.15.4 Wireless PAN with FCS not present (127)
> Arrival Time: Jul 25, 2015 00:54:17.000000000 CEST
> [Time shift for this packet: 0.000000000 seconds]
> Epoch Time: 1437778457.000000000 seconds
> [Time delta from previous captured frame: 0.000000000 seconds]
> [Time delta from previous displayed frame: 0.000000000 seconds]
> [Time since reference or first frame: 0.000000000 seconds]
> Frame Number: 1
> Frame Length: 64 bytes (512 bits)
> Capture Length: 64 bytes (512 bits)
> [Frame is marked: False]
> [Frame is ignored: False]
> [Protocols in frame: wpan:6lowpan:ipv6:icmpv6]
> [Number of per-protocol-data: 1]
> [IEEE 802.15.4 Low-Rate Wireless PAN, key 0]
> [Coloring Rule Name: ICMP]
> [Coloring Rule String: icmp || icmpv6]
>
> IEEE 802.15.4 Data, Dst: Broadcast, Src: 31:5d:7cf9:67:f510:17
> Frame Control Field: Data (0xc841)
> .... .... .... .001 = Frame Type: Data (0x0001)
> .... .... .... 0... = Security Enabled: False
> .... .... ...0 .... = Frame Pending: False
> .... .... ..0. .... = Acknowledge Request: False
> .... .... .1.. .... = Intra-PAN: True
> .... 10.. .... .... = Destination Addressing Mode: Short/16-bit (0x0002)
> ..00 .... .... .... = Frame Version: 0
> 11.. .... .... .... = Source Addressing Mode: Long/64-bit (0x0003)
> Sequence Number: 212
> Destination PAN: 0xbeef
> Destination: 0xffff
> Extended Source: 31:5d:7cf9:67:f510:17 (31:5d:7c:f9:67:f5:10:17)
>
> 6LoWPAN
> IPHC Header
> 011. .... = Pattern: IP header compression (0x03)
> ...1 1... .... .... = Traffic class and flow label: Version,
> traffic class, and flow label compressed (0x0003)
> .... .0.. .... .... = Next header: Inline
> .... ..11 .... .... = Hop limit: 255 (0x0003)
> .... .... 0... .... = Context identifier extension: False
> .... .... .0.. .... = Source address compression: Stateless
> .... .... ..11 .... = Source address mode: Compressed (0x0003)
> .... .... .... 1... = Multicast address compression: True
> .... .... .... .0.. = Destination address compression: Stateless
> .... .... .... ..01 = Destination address mode: 48-bits inline (0x0001)
> [Source context: fe80:: (fe80::)]
> [Destination context: fe80:: (fe80::)]
> Next header: ICMPv6 (0x3a)
> Source: fe80::335d:7cf9:67f5:1017 (fe80::335d:7cf9:67f5:1017)
> Destination: ff02::1:ff3e:c7f1 (ff02::1:ff3e:c7f1)
>
> Internet Protocol Version 6, Src: fe80::335d:7cf9:67f5:1017
> (fe80::335d:7cf9:67f5:1017), Dst: ff02::1:ff3e:c7f1
> (ff02::1:ff3e:c7f1)
> 0110 .... = Version: 6
> [0110 .... = This field makes the filter "ip.version == 6" possible: 6]
> .... 0000 0000 .... .... .... .... .... = Traffic class: 0x00000000
> .... 0000 00.. .... .... .... .... .... = Differentiated
> Services Field: Default (0x00000000)
> .... .... ..0. .... .... .... .... .... = ECN-Capable
> Transport (ECT): Not set
> .... .... ...0 .... .... .... .... .... = ECN-CE: Not set
> .... .... .... 0000 0000 0000 0000 0000 = Flowlabel: 0x00000000
> Payload length: 40
> Next header: ICMPv6 (58)
> Hop limit: 255
> Source: fe80::335d:7cf9:67f5:1017 (fe80::335d:7cf9:67f5:1017)
> Destination: ff02::1:ff3e:c7f1 (ff02::1:ff3e:c7f1)
> [Source GeoIP: Unknown]
> [Destination GeoIP: Unknown]
>
> Internet Control Message Protocol v6
> Type: Neighbor Solicitation (135)
> Code: 0
> Checksum: 0x6354 [correct]
> Reserved: 00000000
> Target Address: fe80::a8af:ac69:e53e:c7f1 (fe80::a8af:ac69:e53e:c7f1)
> ICMPv6 Option (Source link-layer address : 31:5d:7c:f9:67:f5:10:17)
> Type: Source link-layer address (1)
> Length: 2 (16 bytes)
> Link-layer address: 31:5d:7cf9:67:f510:17 (31:5d:7c:f9:67:f5:10:17)
> Padding
>
>
>
> No. Time Source Destination
> Protocol Length Info
> 2 0.000001000 f1:5d:7c:f9:e7:f5:10:f7 Broadcast
> IEEE 802.15.4 66 Data, Dst: Broadcast, Src: f1:5d:7cf9:e7:f510:f7
>
> Frame 2: 66 bytes on wire (528 bits), 66 bytes captured (528 bits) on
> interface 0
> Interface id: 0
> Packet flags: 0x00000000
> .... .... .... .... .... .... .... ..00 = Direction: Not
> available (0x00000000)
> .... .... .... .... .... .... ...0 00.. = Reception type: Not
> specified (0)
> .... .... .... .... .... ...0 000. .... = FCS length: 0
> .... .... .... .... 0000 000. .... .... = Reserved: 0
> .... ...0 .... .... .... .... .... .... = CRC error: Not set
> .... ..0. .... .... .... .... .... .... = Packet too long error: Not set
> .... .0.. .... .... .... .... .... .... = Packet too short
> error: Not set
> .... 0... .... .... .... .... .... .... = Wrong interframe gap
> error: Not set
> ...0 .... .... .... .... .... .... .... = Unaligned frame error: Not set
> ..0. .... .... .... .... .... .... .... = Start frame
> delimiter error: Not set
> .0.. .... .... .... .... .... .... .... = Preamble error: Not set
> 0... .... .... .... .... .... .... .... = Symbol error: Not set
> Encapsulation type: IEEE 802.15.4 Wireless PAN with FCS not present (127)
> Arrival Time: Jul 25, 2015 00:54:17.000001000 CEST
> [Time shift for this packet: 0.000000000 seconds]
> Epoch Time: 1437778457.000001000 seconds
> [Time delta from previous captured frame: 0.000001000 seconds]
> [Time delta from previous displayed frame: 0.000001000 seconds]
> [Time since reference or first frame: 0.000001000 seconds]
> Frame Number: 2
> Frame Length: 66 bytes (528 bits)
> Capture Length: 66 bytes (528 bits)
> [Frame is marked: False]
> [Frame is ignored: False]
> [Protocols in frame: wpan:data]
> [Number of per-protocol-data: 1]
> [IEEE 802.15.4 Low-Rate Wireless PAN, key 0]
>
> IEEE 802.15.4 Data, Dst: Broadcast, Src: f1:5d:7cf9:e7:f510:f7
> Frame Control Field: Data (0xc841)
> .... .... .... .001 = Frame Type: Data (0x0001)
> .... .... .... 0... = Security Enabled: False
> .... .... ...0 .... = Frame Pending: False
> .... .... ..0. .... = Acknowledge Request: False
> .... .... .1.. .... = Intra-PAN: True
> .... 10.. .... .... = Destination Addressing Mode: Short/16-bit (0x0002)
> ..00 .... .... .... = Frame Version: 0
> 11.. .... .... .... = Source Addressing Mode: Long/64-bit (0x0003)
> Sequence Number: 252
> Destination PAN: 0xbeef
> Destination: 0xffff
> Extended Source: f1:5d:7cf9:e7:f510:f7 (f1:5d:7c:f9:e7:f5:10:f7)
> Data (51 bytes)
>
> 0000 fb f9 3a 02 01 ff 3e c7 f1 87 00 63 54 00 00 00 ..:...>....cT...
> 0010 00 fe 80 00 00 00 00 00 00 a8 af ac 69 e5 3e c7 ............i.>.
> 0020 f1 ff 02 31 dd 7c f9 e7 f5 10 17 00 00 00 00 00 ...1.|..........
> 0030 00 5c 4c .\L
> Data: fbf93a0201ff3ec7f18700635400000000fe800000000000...
> [Length: 51]
>
>
> --
> Baptiste
I've observed something, if I don't dump the sending packet, I receive
a different one on the receiver:
No. Time Source Destination
Protocol Length Info
1 0.000001000 ::639:10d1:8b6d:141e ff01::ff:3ec7:f187
IGMPv0 66 Unknown Type:0x00
Frame 1: 66 bytes on wire (528 bits), 66 bytes captured (528 bits) on
interface 0
Interface id: 0
Packet flags: 0x00000000
.... .... .... .... .... .... .... ..00 = Direction: Not
available (0x00000000)
.... .... .... .... .... .... ...0 00.. = Reception type: Not
specified (0)
.... .... .... .... .... ...0 000. .... = FCS length: 0
.... .... .... .... 0000 000. .... .... = Reserved: 0
.... ...0 .... .... .... .... .... .... = CRC error: Not set
.... ..0. .... .... .... .... .... .... = Packet too long error: Not set
.... .0.. .... .... .... .... .... .... = Packet too short
error: Not set
.... 0... .... .... .... .... .... .... = Wrong interframe gap
error: Not set
...0 .... .... .... .... .... .... .... = Unaligned frame error: Not set
..0. .... .... .... .... .... .... .... = Start frame
delimiter error: Not set
.0.. .... .... .... .... .... .... .... = Preamble error: Not set
0... .... .... .... .... .... .... .... = Symbol error: Not set
Encapsulation type: IEEE 802.15.4 Wireless PAN with FCS not present (127)
Arrival Time: Jul 25, 2015 01:41:02.000001000 CEST
[Time shift for this packet: 0.000000000 seconds]
Epoch Time: 1437781262.000001000 seconds
[Time delta from previous captured frame: 0.000001000 seconds]
[Time delta from previous displayed frame: 0.000001000 seconds]
[Time since reference or first frame: 0.000001000 seconds]
Frame Number: 1
Frame Length: 66 bytes (528 bits)
Capture Length: 66 bytes (528 bits)
[Frame is marked: False]
[Frame is ignored: False]
[Protocols in frame: wpan:6lowpan:ipv6:igmp]
[Number of per-protocol-data: 1]
[IEEE 802.15.4 Low-Rate Wireless PAN, key 0]
[Coloring Rule Name: Routing]
[Coloring Rule String: hsrp || eigrp || ospf || bgp || cdp || vrrp
|| gvrp || igmp || ismp]
IEEE 802.15.4 Data, Dst: Broadcast, Src: 04:39:10d1:8b:6d14:1e
Frame Control Field: Data (0xc841)
.... .... .... .001 = Frame Type: Data (0x0001)
.... .... .... 0... = Security Enabled: False
.... .... ...0 .... = Frame Pending: False
.... .... ..0. .... = Acknowledge Request: False
.... .... .1.. .... = Intra-PAN: True
.... 10.. .... .... = Destination Addressing Mode: Short/16-bit (0x0002)
..00 .... .... .... = Frame Version: 0
11.. .... .... .... = Source Addressing Mode: Long/64-bit (0x0003)
Sequence Number: 132
Destination PAN: 0xbeef
Destination: 0xffff
Extended Source: 04:39:10d1:8b:6d14:1e (04:39:10:d1:8b:6d:14:1e)
6LoWPAN
IPHC Header
011. .... = Pattern: IP header compression (0x03)
...1 1... .... .... = Traffic class and flow label: Version,
traffic class, and flow label compressed (0x0003)
.... .0.. .... .... = Next header: Inline
.... ..11 .... .... = Hop limit: 255 (0x0003)
.... .... 1... .... = Context identifier extension: True
.... .... .1.. .... = Source address compression: Stateful
.... .... ..11 .... = Source address mode: Compressed (0x0003)
.... .... .... 1... = Multicast address compression: True
.... .... .... .0.. = Destination address compression: Stateless
.... .... .... ..01 = Destination address mode: 48-bits inline (0x0001)
0011 .... = Source context identifier: 0x03
.... 1010 = Destination context identifier: 0x0a
[Destination context: fe80:: (fe80::)]
Next header: IGMP (0x02)
Source: ::639:10d1:8b6d:141e (::639:10d1:8b6d:141e)
Destination: ff01::ff:3ec7:f187 (ff01::ff:3ec7:f187)
Internet Protocol Version 6, Src: ::639:10d1:8b6d:141e
(::639:10d1:8b6d:141e), Dst: ff01::ff:3ec7:f187 (ff01::ff:3ec7:f187)
0110 .... = Version: 6
[0110 .... = This field makes the filter "ip.version == 6" possible: 6]
.... 0000 0000 .... .... .... .... .... = Traffic class: 0x00000000
.... 0000 00.. .... .... .... .... .... = Differentiated
Services Field: Default (0x00000000)
.... .... ..0. .... .... .... .... .... = ECN-Capable
Transport (ECT): Not set
.... .... ...0 .... .... .... .... .... = ECN-CE: Not set
.... .... .... 0000 0000 0000 0000 0000 = Flowlabel: 0x00000000
Payload length: 41
Next header: IGMP (2)
Hop limit: 255
Source: ::639:10d1:8b6d:141e (::639:10d1:8b6d:141e)
Destination: ff01::ff:3ec7:f187 (ff01::ff:3ec7:f187)
[Source GeoIP: Unknown]
[Destination GeoIP: Unknown]
Internet Group Management Protocol
[IGMP Version: 0]
Type: Unknown (0x00)
Reply Pending: 70
Header checksum: 0xef00 [incorrect, should be 0x6481]
Identifier: 254
Multicast Address: 128.0.0.0 (128.0.0.0)
Access Key: 000000a8afac69e5
Type: Unknown (0x00)
Data
--
Baptiste
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