Re: [Linux-ATM-General] Solos driver weirdness in bridged mode

[Philip P. <phi...@re...>]

Actually, the originally *is* an entry in the vc table, but it silently goes away:

root@OpenWrt:/proc/1465/net/atm# head *
==>  br2684<==
dev nas0: num=1, mac=00:0a:fa:22:00:84 (set)
   vcc 0.0.35: encaps=LLC payload=bridged, failed copies 0/70

==>  devices<==
Itf Type    ESI/"MAC"addr AAL(TX,err,RX,err,drop) ...               [refcnt]
   0 solos-pci000000000000  0 ( 0 0 0 0 0 )  5 ( 70 0 0 0 0 )    [2]
   1 solos-pci000000000000  0 ( 0 0 0 0 0 )  5 ( 0 0 0 0 0 )     [1]

==>  pvc<==
Itf VPI VCI   AAL RX(PCR,Class) TX(PCR,Class)
   0   0    35 5         0 UBR         0 UBR

==>  svc<==
Itf VPI VCI           State      Remote

==>  vc<==
Address Itf VPI VCI   Fam Flags Reply Send buffer     Recv buffer      [refcnt]
dde93800   0   0    35 PVC 0043      0       0/   4080       0/ 110592 [2]
root@OpenWrt:/proc/1465/net/atm#


then mysteriously....


root@OpenWrt:/proc/1465/net/atm# head *
==>  br2684<==
dev nas0: num=1, mac=00:0a:fa:22:00:84 (set)
   vcc 0.0.35: encaps=LLC payload=bridged, failed copies 0/71

==>  devices<==
Itf Type    ESI/"MAC"addr AAL(TX,err,RX,err,drop) ...               [refcnt]
   0 solos-pci000000000000  0 ( 0 0 0 0 0 )  5 ( 71 0 0 0 0 )    [2]
   1 solos-pci000000000000  0 ( 0 0 0 0 0 )  5 ( 0 0 0 0 0 )     [1]

==>  pvc<==
Itf VPI VCI   AAL RX(PCR,Class) TX(PCR,Class)

==>  svc<==
Itf VPI VCI           State      Remote

==>  vc<==
Address Itf VPI VCI   Fam Flags Reply Send buffer     Recv buffer      [refcnt]
root@OpenWrt:/proc/1465/net/atm#


So the entry is there... until it's not.

-Philip



On 3/20/11 1:34 PM, Philip Prindeville wrote:
> Ok, so my previous posting fixed the preamble issue...  I'm digging more into the driver and had a few more questions.
>
> First, it calls a local (static) function release_vccs(struct atm_dev *dev) but from what I can tell, this is identical to what the function atm_dev_release_vccs(struct atm_dev *dev) does in net/atm/common.c, right?
>
> The function find_vcc() is duplicated (almost verbatim) in solos-pci.c and atmtcp.c ... why not move it into atm/common.c?
>
> Getting into /proc/net/atm/ and looking at the files, I get:
>
> root@OpenWrt:/proc/1485/net/atm# pwd
> /proc/net/atm
> root@OpenWrt:/proc/1485/net/atm# head *
> ==>   br2684<==
> dev nas0: num=1, mac=00:0a:fa:22:00:84 (set)
>     vcc 0.0.35: encaps=LLC payload=bridged, failed copies 0/236
>
> ==>   devices<==
> Itf Type    ESI/"MAC"addr AAL(TX,err,RX,err,drop) ...               [refcnt]
>     0 solos-pci000000000000  0 ( 0 0 0 0 0 )  5 ( 236 0 0 0 0 )   [2]
>     1 solos-pci000000000000  0 ( 0 0 0 0 0 )  5 ( 0 0 0 0 0 )     [1]
>
> ==>   pvc<==
> Itf VPI VCI   AAL RX(PCR,Class) TX(PCR,Class)
>
> ==>   svc<==
> Itf VPI VCI           State      Remote
>
> ==>   vc<==
> Address Itf VPI VCI   Fam Flags Reply Send buffer     Recv buffer      [refcnt]
> root@OpenWrt:/proc/1485/net/atm#
>
>
>
> so it seems that there really is something broken, at least in that the VPI/VCI failed to get plumbed if it's not showing up in the "vc" file.
>
> -Philip
>