Re: [PATCH net 3/3] net: enetc: reset xdp_tx_in_flight when updating bpf program

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Subject: Re: [PATCH net 3/3] net: enetc: reset xdp_tx_in_flight when updating bpf program
From: Ratheesh Kannoth <rkannoth@xxxxxxxxxxx>
Date: Mon, 23 Sep 2024 10:26:20 +0530
Cc: Vladimir Oltean <vladimir.oltean@xxxxxxx>, "davem@xxxxxxxxxxxxx" <davem@xxxxxxxxxxxxx>, "edumazet@xxxxxxxxxx" <edumazet@xxxxxxxxxx>, "kuba@xxxxxxxxxx" <kuba@xxxxxxxxxx>, "pabeni@xxxxxxxxxx" <pabeni@xxxxxxxxxx>, Claudiu Manoil <claudiu.manoil@xxxxxxx>, "ast@xxxxxxxxxx" <ast@xxxxxxxxxx>, "daniel@xxxxxxxxxxxxx" <daniel@xxxxxxxxxxxxx>, "hawk@xxxxxxxxxx" <hawk@xxxxxxxxxx>, "john.fastabend@xxxxxxxxx" <john.fastabend@xxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "netdev@xxxxxxxxxxxxxxx" <netdev@xxxxxxxxxxxxxxx>, "bpf@xxxxxxxxxxxxxxx" <bpf@xxxxxxxxxxxxxxx>, "stable@xxxxxxxxxxxxxxx" <stable@xxxxxxxxxxxxxxx>, "imx@xxxxxxxxxxxxxxx" <imx@xxxxxxxxxxxxxxx>
In-reply-to: <PAXPR04MB8510727BD7B77261491B4D31886C2@PAXPR04MB8510.eurprd04.prod.outlook.com>

On 2024-09-20 at 08:42:06, Wei Fang (wei.fang@xxxxxxx) wrote:
> enetc_recycle_xdp_tx_buff() will not be called. Actually all XDP_TX frames are
> sent out and XDP_TX buffers will be freed by enetc_free_rxtx_rings().
why didn't you choose enetc_free_rxtx_rings() to reset inflight count to 0 ?

Follow-Ups:
- RE: [PATCH net 3/3] net: enetc: reset xdp_tx_in_flight when updating bpf program
  - From: Wei Fang

References:
- [PATCH net 0/3] net: enetc: fix some issues of XDP
  - From: Wei Fang
- [PATCH net 3/3] net: enetc: reset xdp_tx_in_flight when updating bpf program
  - From: Wei Fang
- Re: [PATCH net 3/3] net: enetc: reset xdp_tx_in_flight when updating bpf program
  - From: Vladimir Oltean
- RE: [PATCH net 3/3] net: enetc: reset xdp_tx_in_flight when updating bpf program
  - From: Wei Fang

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