lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 28 Dec 2020 19:14:34 -0800 From: Florian Fainelli <f.fainelli@...il.com> To: Sieng Piaw Liew <liew.s.piaw@...il.com>, Florian Fainelli <f.fainelli@...il.com> Cc: bcm-kernel-feedback-list@...adcom.com, netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next v2 4/6] bcm63xx_enet: alloc rx skb with NET_IP_ALIGN On 12/24/2020 6:24 AM, Sieng Piaw Liew wrote: > Use netdev_alloc_skb_ip_align on newer SoCs with integrated switch > (enetsw) when refilling RX. Increases packet processing performance > by 30% (with netif_receive_skb_list). > > Non-enetsw SoCs cannot function with the extra pad so continue to use > the regular netdev_alloc_skb. > > Tested on BCM6328 320 MHz and iperf3 -M 512 to measure packet/sec > performance. > > Before: > [ ID] Interval Transfer Bandwidth Retr > [ 4] 0.00-30.00 sec 120 MBytes 33.7 Mbits/sec 277 sender > [ 4] 0.00-30.00 sec 120 MBytes 33.5 Mbits/sec receiver > > After (+netif_receive_skb_list): > [ 4] 0.00-30.00 sec 155 MBytes 43.3 Mbits/sec 354 sender > [ 4] 0.00-30.00 sec 154 MBytes 43.1 Mbits/sec receiver > > Signed-off-by: Sieng Piaw Liew <liew.s.piaw@...il.com> Acked-by: Florian Fainelli <f.fainelli@...il.com> -- Florian
Powered by blists - more mailing lists