[lwip-devel] [task #14314] Implement interface name/index APIs

[Joel Cunningham]

Follow-up Comment #1, task #14314 (project lwip):

Attached patch adds the following APIs:

Interface Identification APIs from RFC 3493:
  * lwip_if_nametoindex (COMPAT macro if_nametoindex)
  * lwip_if_indextoname (COMPAT macro if_indextoname)

netifapi:
  * netifapi_netif_name_to_index
  * netifapi_netif_index_to_name

netif:
  * netif_name_to_index
  * netif_index_to_name
  * netif_num_to_index
  * netif_index_to_num

I think the implementation turned out fairly straight forward. RFC 3493
introduces a new header (net/if.h) containing API.  Top level APIs are in
if.c

netifapi_ functions turned out a little clunkier than I wanted because they
must return err_t due to NETIFAPI_VAR_ALLOC when LWIP_MPU_COMPATBILE is
enabled

netif APIs were structured after standards API

I have also attached a lwip-contrib patch for adding some shell commands for
testing and integrating into VS project files.  I'll need help updating the
other ports

(file #39516, file #39517)
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Additional Item Attachment:

File name: 0001-Task-14314-Add-interface-name-index-APIs.patch Size:14 KB
File name: 0001-Add-interface-support-to-shell-and-VS-project-file.patch
Size:5 KB


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