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net: ti: add pp skb recycling support
As already done for mvneta and mvpp2, enable skb recycling for ti ethernet drivers ti driver on net-next: ---------------------- [perf top] 47.15% [kernel] [k] _raw_spin_unlock_irqrestore 11.77% [kernel] [k] __cpdma_chan_free 3.16% [kernel] [k] ___bpf_prog_run 2.52% [kernel] [k] cpsw_rx_vlan_encap 2.34% [kernel] [k] __netif_receive_skb_core 2.27% [kernel] [k] free_unref_page 2.26% [kernel] [k] kmem_cache_free 2.24% [kernel] [k] kmem_cache_alloc 1.69% [kernel] [k] __softirqentry_text_start 1.61% [kernel] [k] cpsw_rx_handler 1.19% [kernel] [k] page_pool_release_page 1.19% [kernel] [k] clear_bits_ll 1.15% [kernel] [k] page_frag_free 1.06% [kernel] [k] __dma_page_dev_to_cpu 0.99% [kernel] [k] memset 0.94% [kernel] [k] __alloc_pages_bulk 0.92% [kernel] [k] kfree_skb 0.85% [kernel] [k] packet_rcv 0.78% [kernel] [k] page_address 0.75% [kernel] [k] v7_dma_inv_range 0.71% [kernel] [k] __lock_text_start [iperf3 tcp] [ 5] 0.00-10.00 sec 873 MBytes 732 Mbits/sec 0 sender [ 5] 0.00-10.01 sec 866 MBytes 726 Mbits/sec receiver ti + skb recycling: ------------------- [perf top] 40.58% [kernel] [k] _raw_spin_unlock_irqrestore 16.18% [kernel] [k] __softirqentry_text_start 10.33% [kernel] [k] __cpdma_chan_free 2.62% [kernel] [k] ___bpf_prog_run 2.05% [kernel] [k] cpsw_rx_vlan_encap 2.00% [kernel] [k] kmem_cache_alloc 1.86% [kernel] [k] __netif_receive_skb_core 1.80% [kernel] [k] kmem_cache_free 1.63% [kernel] [k] cpsw_rx_handler 1.12% [kernel] [k] cpsw_rx_mq_poll 1.11% [kernel] [k] page_pool_put_page 1.04% [kernel] [k] _raw_spin_unlock 0.97% [kernel] [k] clear_bits_ll 0.90% [kernel] [k] packet_rcv 0.88% [kernel] [k] __dma_page_dev_to_cpu 0.85% [kernel] [k] kfree_skb 0.80% [kernel] [k] memset 0.71% [kernel] [k] __lock_text_start 0.66% [kernel] [k] v7_dma_inv_range 0.64% [kernel] [k] gen_pool_free_owner [iperf3 tcp] [ 5] 0.00-10.00 sec 884 MBytes 742 Mbits/sec 0 sender [ 5] 0.00-10.01 sec 878 MBytes 735 Mbits/sec receiver Tested-by: Grygorii Strashko <grygorii.strashko@ti.com> Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
925a56b2c0
commit
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2 changed files with 4 additions and 4 deletions
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@ -430,8 +430,8 @@ static void cpsw_rx_handler(void *token, int len, int status)
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cpts_rx_timestamp(cpsw->cpts, skb);
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cpts_rx_timestamp(cpsw->cpts, skb);
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skb->protocol = eth_type_trans(skb, ndev);
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skb->protocol = eth_type_trans(skb, ndev);
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/* unmap page as no netstack skb page recycling */
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/* mark skb for recycling */
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page_pool_release_page(pool, page);
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skb_mark_for_recycle(skb, page, pool);
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netif_receive_skb(skb);
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netif_receive_skb(skb);
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ndev->stats.rx_bytes += len;
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ndev->stats.rx_bytes += len;
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@ -373,8 +373,8 @@ static void cpsw_rx_handler(void *token, int len, int status)
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cpts_rx_timestamp(cpsw->cpts, skb);
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cpts_rx_timestamp(cpsw->cpts, skb);
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skb->protocol = eth_type_trans(skb, ndev);
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skb->protocol = eth_type_trans(skb, ndev);
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/* unmap page as no netstack skb page recycling */
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/* mark skb for recycling */
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page_pool_release_page(pool, page);
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skb_mark_for_recycle(skb, page, pool);
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netif_receive_skb(skb);
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netif_receive_skb(skb);
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ndev->stats.rx_bytes += len;
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ndev->stats.rx_bytes += len;
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