> Is there any plan for support selecting only index==0 ? Good news first. I added the TODO here [0], but since then CSIT stopped using the VAT command in [1], and other uses based on PAPI should be ready since [2].
The bad news is VPP now has more strict process [3] regarding changes to API. This particular case is debatable, as the change will not affect the message CRC value, only the behavior for a particular argument value. But I think it would be an API change overall, so not directly allowed (as sw_interface_dump is a production API). The indirect fix is to add a new API message (sw_interface_dump_v2) and mark the old one as deprecated. Vratko. [0] https://gerrit.fd.io/r/c/vpp/+/19106 [1] https://gerrit.fd.io/r/c/csit/+/21149 [2] https://gerrit.fd.io/r/c/vpp/+/23530 [3] https://wiki.fd.io/view/VPP/ApiChangeProcess From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of jiangxiaom...@outlook.com Sent: Thursday, 2021-April-29 13:41 To: vpp-dev@lists.fd.io Subject: [vpp-dev] sw_interface_dump currently cann't dump interface which sw_if_index == 0 #vapi Hi Vratko Polak, currently sw_interface_dump will dump all interfaces if sw_if_index == 0. In my case, i need get interface information by id without by dumping all, but there is no way for this. I notice there is a TODO comment for sw_interface_dump in interface.api file. /** \brief Request all or filtered subset of sw_interface_details @param client_index - opaque cookie to identify the sender @param context - sender context, to match reply w/ request @param sw_if_index - index of the interface to dump info on, 0 or ~0 if on all TODO: Support selecting only index==0 when CSIT is ready. @param name_filter_valid - 1 if requesting a filtered subset of records else 0 if name filter is set as valid, sw_if_index value is ignored and all interfaces are examined @param name_filter - interface name substring filter. Eg. loop1 returns [loop1, loop10] */ define sw_interface_dump Is there any plan for support selecting only index==0 ?
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