[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <03177710937042bb93dfbf3237394a91@realtek.com>
Date: Tue, 3 Sep 2024 02:51:43 +0000
From: Larry Chiu <larry.chiu@...ltek.com>
To: Jakub Kicinski <kuba@...nel.org>, Justin Lai <justinlai0215@...ltek.com>
CC: "davem@...emloft.net" <davem@...emloft.net>,
"edumazet@...gle.com"
<edumazet@...gle.com>,
"pabeni@...hat.com" <pabeni@...hat.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"andrew@...n.ch"
<andrew@...n.ch>,
"jiri@...nulli.us" <jiri@...nulli.us>,
"horms@...nel.org"
<horms@...nel.org>,
"rkannoth@...vell.com" <rkannoth@...vell.com>,
"jdamato@...tly.com" <jdamato@...tly.com>,
Ping-Ke Shih <pkshih@...ltek.com>
Subject: RE: [PATCH net-next v29 07/13] rtase: Implement a function to receive packets
> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Tuesday, September 3, 2024 10:04 AM
> To: Justin Lai <justinlai0215@...ltek.com>
> Cc: davem@...emloft.net; edumazet@...gle.com; pabeni@...hat.com;
> linux-kernel@...r.kernel.org; netdev@...r.kernel.org; andrew@...n.ch;
> jiri@...nulli.us; horms@...nel.org; rkannoth@...vell.com;
> jdamato@...tly.com; Ping-Ke Shih <pkshih@...ltek.com>; Larry Chiu
> <larry.chiu@...ltek.com>
> Subject: Re: [PATCH net-next v29 07/13] rtase: Implement a function to
> receive packets
>
>
> External mail.
>
>
>
> On Thu, 29 Aug 2024 11:48:26 +0800 Justin Lai wrote:
> > + skb->dev = dev;
>
> no need to assign skb->dev = dev; eth_type_trans() will do it for you
Thanks, we will remove it.
>
> > + skb_put(skb, pkt_size);
> > + skb_mark_for_recycle(skb);
> > + skb->protocol = eth_type_trans(skb, dev);
> > +
> > + if (skb->pkt_type == PACKET_MULTICAST)
> > + tp->stats.multicast++;
> > +
> > + rtase_rx_vlan_skb(desc, skb);
> > + rtase_rx_skb(ring, skb);
> > +
> > + dev_sw_netstats_rx_add(dev, pkt_size);
> > +
> > +skip_process_pkt:
> > + workdone++;
> > + cur_rx++;
> > + entry = cur_rx % RTASE_NUM_DESC;
> > + desc = ring->desc + sizeof(union rtase_rx_desc) * entry;
> > + } while (workdone != budget);
>
> The check needs to be at the start of the function.
> NAPI can be called with budget of 0 to limit the processing
> to just Tx cleanup. In that case no packet should be received.
OK, we will use a for loop instead.
Powered by blists - more mailing lists