netdev - Re: [PATCH net-next v3 4/9] tsnep: Add XDP TX support

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Message-ID: <20230106141346.73f7c925@kernel.org>
Date:   Fri, 6 Jan 2023 14:13:46 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Gerhard Engleder <gerhard@...leder-embedded.com>
Cc:     Alexander Lobakin <alexandr.lobakin@...el.com>,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next v3 4/9] tsnep: Add XDP TX support

On Thu, 5 Jan 2023 22:13:00 +0100 Gerhard Engleder wrote:
> >> -	if (entry->skb) {
> >> +	if (entry->skb || entry->xdpf) {
> >>   		entry->properties = length & TSNEP_DESC_LENGTH_MASK;
> >>   		entry->properties |= TSNEP_DESC_INTERRUPT_FLAG;
> >> -		if (skb_shinfo(entry->skb)->tx_flags & SKBTX_IN_PROGRESS)
> >> +		if (entry->type == TSNEP_TX_TYPE_SKB &&
> >> +		    skb_shinfo(entry->skb)->tx_flags & SKBTX_IN_PROGRESS)  
> > 
> > Please enclose bitops (& here) hanging around any logical ops (&& here
> > in their own set of braces ().  
> 
> Will be done.

Dunno if that's strictly required in the kernel coding style.
Don't we expect a good understanding of operator precedence
from people reading the code?