Re: [Qemu-devel] [PATCH v4] net: L2TPv3 transport

[Eric Blake]

On 03/19/2014 03:31 AM, address@hidden wrote:
> From: Anton Ivanov <address@hidden>
> 
> This tranport allows to connect a qemu nic to a static Ethernet

s/tranport/transport/

> over L2TPv3 tunnel. The transport supports all options present
> in the linux kernel implementation. It allows qemu to connect
> to any linux host running kernel 3.3+, most routers and network
> devices as well as other qemu instances.
> 
> Signed-off-by: Anton Ivanov <address@hidden>
> ---
> 

> +++ b/qapi-schema.json
> @@ -2941,6 +2941,63 @@
>      '*udp':       'str' } }
>  
>  ##
> +# @NetdevL2TPv3Options
> +#
> +# Connect the VLAN to Ethernet over L2TPv3 Static tunnel
> +#
> +# @src: source address
> +#
> +# @dst: destination address
> +#

> +#
> +# @txsession: 32 bit transmit session
> +#
> +# @rxsession: 32 bit receive session - if not specified
> +#             set to the same value as transmit

Missing #optional on rxsession.

> +#
> +# @offset: #optional additional offset - allows the insertion of
> +#          additional application-specific data before the packet payload
> +#
> +# Since 2.0

You've missed 2.0; this should be 2.1.


> +
> +##
> +##
>  # @NetdevVdeOptions

No need to add a second line of ## to NetdevVdeOptions.

>  #
>  # Connect the VLAN to a vde switch running on the host.
> @@ -3014,13 +3071,16 @@
>  # A discriminated record of network device traits.
>  #
>  # Since 1.2
> -##
> +#
> +# Added in 2.0 - l2tpv3

2.1


> +#ifdef __linux__
> +    "-net 
> l2tpv3[,vlan=n][,name=str],src=srcaddr,dst=dstaddr[,srcport=srcport][,dstport=dstport],txsession=txsession[,rxsession=rxsession][,ipv6=on/off][,udp=on/off][,cookie64=on/off][,counter][,pincounter][,txcookie=txcookie][,rxcookie=rxcookie][,offset=offset]\n"
> +    "                connect the VLAN to an Ethernet over L2TPv3 
> pseudowire\n"
> +    "                Linux kernel 3.3+ as well as most routers can talk \n"

Trailing whitespace in the output.

> +    "                L2TPv3. This transport allows to connect a VM to a 
> VM,\n"
> +    "                VM to a router and even VM to Host. It is a 
> nearly-universal\n"
> +    "                standard (RFC3391). Note - this implementation uses 
> static\n"
> +    "                pre-configured tunnels (same as the linux kernel). \n"

and again

> @@ -1408,11 +1431,11 @@ DEF("net", HAS_ARG, QEMU_OPTION_net,
>      "                on host and listening for incoming connections on 
> 'socketpath'.\n"
>      "                Use group 'groupname' and mode 'octalmode' to change 
> default\n"
>      "                ownership and permissions for communication port.\n"
> -#endif
>      "-net dump[,vlan=n][,file=f][,len=n]\n"
>      "                dump traffic on vlan 'n' to file 'f' (max n bytes per 
> packet)\n"
>      "-net none       use it alone to have zero network devices. If no -net 
> option\n"
>      "                is provided, the default is '-net nic -net user'\n", 
> QEMU_ARCH_ALL)
> +#endif

Why is this #endif moving?

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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