diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2016-10-31 20:43:15 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-11-01 11:04:59 -0400 |
| commit | c0f031bc88660e8b96060b76aa72fbe8859bdcc8 (patch) | |
| tree | ddc815d22dab0d8291aa92544256a7629f98ec0d /drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c | |
| parent | nfp: add buffer drop/recycle helper for RX (diff) | |
| download | linux-dev-c0f031bc88660e8b96060b76aa72fbe8859bdcc8.tar.xz linux-dev-c0f031bc88660e8b96060b76aa72fbe8859bdcc8.zip | |
nfp: use alloc_frag() and build_skb()
Speed up RX processing by moving to the alloc_frag()/build_skb()
paradigm. Since we're no longer mapping the entire buffer for
DMA add helpers which take care of calculating offsets and
lengths.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c b/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c index f7c9a5bc4aa3..180cf70f0093 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_debugfs.c @@ -44,8 +44,8 @@ static int nfp_net_debugfs_rx_q_read(struct seq_file *file, void *data) struct nfp_net_r_vector *r_vec = file->private; struct nfp_net_rx_ring *rx_ring; struct nfp_net_rx_desc *rxd; - struct sk_buff *skb; struct nfp_net *nn; + void *frag; int i; rtnl_lock(); @@ -73,10 +73,9 @@ static int nfp_net_debugfs_rx_q_read(struct seq_file *file, void *data) seq_printf(file, "%04d: 0x%08x 0x%08x", i, rxd->vals[0], rxd->vals[1]); - skb = READ_ONCE(rx_ring->rxbufs[i].skb); - if (skb) - seq_printf(file, " skb->head=%p skb->data=%p", - skb->head, skb->data); + frag = READ_ONCE(rx_ring->rxbufs[i].frag); + if (frag) + seq_printf(file, " frag=%p", frag); if (rx_ring->rxbufs[i].dma_addr) seq_printf(file, " dma_addr=%pad", |