On 6/21/15, 1:20 PM, Thomas Graf wrote:
On 06/18/15 at 09:49pm, Roopa Prabhu wrote:
From: Roopa Prabhu <ro...@cumulusnetworks.com>
Introduces two netlink attributes RTA_ENCAP_TYPE and
RTA_ENCAP to support attaching encap information to ipv4 routes.
RTA_ENCAP is a nested attribute as suggested by Thomas
(and also as Robert had it in his series). RTA_ENCAP
netlink policy is declared by the light weight tunnel
drivers that support this encap type.
fib code calls the following for each nexthop:
- new route handler:
lwt build state (that parses RTA_ENCAP and returns
lwt state that lives in every fib_nh)
- del dump hanlder:
lwt release handler to release lwt state data
- route dump hanlder:
lwt dump encap to fill RTA_ENCAP data
- during input route lookup
sets dst->output to lwtunnel_output which
in turn calls the corresponding lwt tunnel
output function which applies the required
encap and xmits the packet
Thanks for putting in the flag! I think introducing helpers for the
lwt work would help as it can centralize the required ifdef magic
and be defined as a static inline nop or macros so the core routing
code doesn't need to have ifdefs spread around.
yes that would be better, let me see what I can do.
thanks,
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