Re: [PATCH v2 net-next] octeontx2-af: Add couple of mailbox support.

[Ratheesh Kannoth]

On 2026-09-23 at 08:58:16, Ratheesh Kannoth (rkannoth@xxxxxxxxxxx) wrote:
> Add IFACE_GET_INFO and NPC batch flow/stats/features handlers for the
> RVU switch PF, with synchronized NIX context and channel publishing.
>
>   IFACE_GET_INFO:           report PF/VF channel and queue topology
>   NPC_MCAM_FLOW_DEL_N_FREE: delete flows and free MCAM entries in bulk
>   NPC_MCAM_GET_MUL_STATS:   read MCAM counter stats in bulk
>   NPC_MCAM_GET_FEATURES:    report supported MCAM features
>
> Rework NIX LF context memory publish and teardown so queue context
> pointers and bitmaps are assigned and cleared under the NIX admin queue
> lock.  Publish interface channel fields under rsrc_lock so IFACE_GET_INFO
> can read a consistent snapshot.
>
> Signed-off-by: Ratheesh Kannoth <rkannoth@xxxxxxxxxxx>
>
> ---
>
> v1 -> v2:
> - Drop SWDEV2AF_NOTIFY and the switch skeleton hooks from this patch;
>   keep the series focused on the AF mailbox handlers above.
> - Restrict IFACE_GET_INFO to the PAN RVU switch PF (rvu_is_switch_pcifunc())
>   and return -EPERM for other callers.
> - Hold rsrc_lock while building the IFACE_GET_INFO topology snapshot.
> - Publish and clear NIX interface channel fields under rsrc_lock.
> - Publish NIX LF queue context pointers and bitmaps under the admin queue
>   lock; propagate assign failures and free partial allocations on error.
> - Fix nix_get_tx_link() for representor and LBK VF devices.
> - Propagate NPC flow deletion failures from npc_delete_flow() and the
>   bulk delete/free handler; ratelimit bulk handler error logs.
> - Read NPC MCAM features under mcam->lock and clear mul-stats response
>   on entry verification failure.
>   https://lore.kernel.org/netdev/20260918050021.1359606-1-rkannoth@xxxxxxxxxxx/

Please ignore this version as it was sent with an incorrect commit message and changelog.
Apologies for the noise.

pw-bot: changes-requested