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Date: Tue, 8 Dec 2020 19:17:24 -0500 From: Sven Van Asbroeck <thesven73@...il.com> To: Eric Dumazet <edumazet@...gle.com> Cc: Jakub Kicinski <kuba@...nel.org>, Bryan Whitehead <bryan.whitehead@...rochip.com>, Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>, David S Miller <davem@...emloft.net>, Andrew Lunn <andrew@...n.ch>, netdev <netdev@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: [PATCH net v1 1/2] lan743x: improve performance: fix rx_napi_poll/interrupt ping-pong On Tue, Dec 8, 2020 at 6:50 PM Eric Dumazet <edumazet@...gle.com> wrote: > > Driver could be called with an arbitrary budget (of 64), > and if its ring buffer has been depleted, return @budget instead of skb counts, > and not ream the interrupt > Aha, so the decision to re-arm the interrupts is made by looking at whether the device has run out of ring buffers to fill... instead of checking whether the weight was reached ! That makes complete sense. Thank you Eric and Jakub for your expert suggestions.
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