diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2016-01-31 12:35:20 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2016-01-31 12:35:20 +0000 |
| commit | 9ab08d665f0b6ac919e74e3969ef6370f6e37101 (patch) | |
| tree | be4f0e6a63eb41443373a2f3d557677246a9f0b1 /target/linux | |
| parent | 3d4444f257132442c07a7ffa94632cd92ec4d475 (diff) | |
| download | upstream-9ab08d665f0b6ac919e74e3969ef6370f6e37101.tar.gz upstream-9ab08d665f0b6ac919e74e3969ef6370f6e37101.tar.bz2 upstream-9ab08d665f0b6ac919e74e3969ef6370f6e37101.zip | |
cns3xxx: improve ethernet performance by using the page fragment allocation API
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 48580
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c index ab2727fbd3..2f232c1d29 100644 --- a/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c +++ b/target/linux/cns3xxx/files/drivers/net/ethernet/cavium/cns3xxx_eth.c @@ -518,14 +518,14 @@ static void cns3xxx_alloc_rx_buf(struct sw *sw, int received) unsigned int phys; for (received += rx_ring->alloc_count; received > 0; received--) { - buf = kmalloc(RX_SEGMENT_ALLOC_SIZE, GFP_ATOMIC); + buf = napi_alloc_frag(RX_SEGMENT_ALLOC_SIZE); if (!buf) break; phys = dma_map_single(sw->dev, buf + SKB_HEAD_ALIGN, RX_SEGMENT_MRU, DMA_FROM_DEVICE); if (dma_mapping_error(sw->dev, phys)) { - kfree(buf); + skb_free_frag(buf); break; } @@ -636,7 +636,7 @@ static int eth_poll(struct napi_struct *napi, int budget) dma_unmap_single(sw->dev, rx_ring->phys_tab[i], RX_SEGMENT_MRU, DMA_FROM_DEVICE); - skb = build_skb(rx_ring->buff_tab[i], 0); + skb = build_skb(rx_ring->buff_tab[i], RX_SEGMENT_ALLOC_SIZE); if (!skb) break; @@ -907,7 +907,7 @@ static int init_rings(struct sw *sw) struct rx_desc *desc = &(rx_ring)->desc[i]; void *buf; - buf = kzalloc(RX_SEGMENT_ALLOC_SIZE, GFP_KERNEL); + buf = netdev_alloc_frag(RX_SEGMENT_ALLOC_SIZE); if (!buf) return -ENOMEM; @@ -957,14 +957,14 @@ static void destroy_rings(struct sw *sw) for (i = 0; i < RX_DESCS; i++) { struct _rx_ring *rx_ring = &sw->rx_ring; struct rx_desc *desc = &(rx_ring)->desc[i]; - struct sk_buff *skb = sw->rx_ring.buff_tab[i]; + void *buf = sw->rx_ring.buff_tab[i]; - if (!skb) + if (!buf) continue; dma_unmap_single(sw->dev, desc->sdp, RX_SEGMENT_MRU, DMA_FROM_DEVICE); - dev_kfree_skb(skb); + skb_free_frag(buf); } for (i = 0; i < TX_DESCS; i++) { |