netdev - Re: [PATCH net 3/3] bnxt_en: Update MRU and RSS table of RSS contexts on queue reset

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Message-ID: <20250520182838.3f083f34@kernel.org>
Date: Tue, 20 May 2025 18:28:38 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Michael Chan <michael.chan@...adcom.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
 pabeni@...hat.com, andrew+netdev@...n.ch, pavan.chebbi@...adcom.com,
 andrew.gospodarek@...adcom.com, David Wei <dw@...idwei.uk>
Subject: Re: [PATCH net 3/3] bnxt_en: Update MRU and RSS table of RSS
 contexts on queue reset

On Mon, 19 May 2025 13:41:30 -0700 Michael Chan wrote:
> @@ -15987,6 +16005,7 @@ static int bnxt_queue_stop(struct net_device *dev, void *qmem, int idx)
>  
>  		bnxt_set_vnic_mru_p5(bp, vnic, 0);
>  	}
> +	bnxt_set_rss_ctx_vnic_mru(bp, 0);
>  	/* Make sure NAPI sees that the VNIC is disabled */
>  	synchronize_net();
>  	rxr = &bp->rx_ring[idx];

What does setting MRU to zero do? All traffic will be dropped?
Traffic will no longer be filtered based on MRU?  Or.. ?