On 1/6/21 6:42 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.p...@gmail.com>
Acked-by: Florian Fainelli <f.faine...@gmail.com> -- Florian
