On Tue, Jan 20, 2015 at 2:52 AM, Adrian Chadd <adr...@freebsd.org> wrote:

> how are they being fragmented? 802.11 fragments? Or just separate
> MPDUs, but not 802.11 fragments?
>
>
It's not a 802.11 fragment frame, but 802.1x/EAP-TLS fragment frame.
I believe this section should be managed by hostapd code
(src/contrib/wpa/src/eap_server/eap_server_tls.c) ?
But I didn't reach to display the wpa_printf(MSG_DEBUG,...) with hostapd in
debug mode.

Frame detail in text mode received by freebsd/hostapd (EAP-TLS "more
fragment" set), but no ACK (EAP-TLS empty) from freebsd/hostapd.

Frame 174: 1552 bytes on wire (12416 bits), 1552 bytes captured (12416 bits)
Radiotap Header v0, Length 24
IEEE 802.11 Data, Flags: .......T
    Type/Subtype: Data (0x20)
    Frame Control: 0x0108 (Normal)
        Version: 0
        Type: Data frame (2)
        Subtype: 0
        Flags: 0x1
            .... ..01 = DS status: Frame from STA to DS via an AP (To DS: 1
>From DS: 0) (0x01)
            .... .0.. = More Fragments: This is the last fragment
            .... 0... = Retry: Frame is not being retransmitted
            ...0 .... = PWR MGT: STA will stay up
            ..0. .... = More Data: No data buffered
            .0.. .... = Protected flag: Data is not protected
            0... .... = Order flag: Not strictly ordered
    Duration: 314
    BSS Id: D-Link_58:79:3e (00:21:91:58:79:3e)
    Source address: GemtekTe_35:8c:70 (20:10:7a:35:8c:70)
    Destination address: D-Link_58:79:3e (00:21:91:58:79:3e)
    Fragment number: 0
    Sequence number: 263
Logical-Link Control
802.1X Authentication
    Version: 802.1X-2001 (1)
    Type: EAP Packet (0)
    Length: 1492
    Extensible Authentication Protocol
        Code: Response (2)
        Id: 51
        Length: 1492
        Type: TLS EAP (EAP-TLS) (13)
        EAP-TLS Flags: 0xc0
            1... .... = Length Included: True
            .1.. .... = More Fragments: True
            ..0. .... = Start: False
        EAP-TLS Length: 3524
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