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| author | Scott Peterson <scott.d.peterson@intel.com> | 2017-02-10 10:40:25 +0300 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-02-12 07:39:01 +0300 |
| commit | e72e56597ba15ce70f4fc1eb2ceeaa8da0d4ab5e (patch) | |
| tree | 30b6641891fec8050bc983821fda036bbabb4b0d /drivers/net/ethernet/intel/i40e/i40e_txrx.h | |
| parent | 7987dcd7b95111a5acbf5abdbf155eedacd3546b (diff) | |
| download | linux-e72e56597ba15ce70f4fc1eb2ceeaa8da0d4ab5e.tar.xz | |
i40e/i40evf: Moves skb from i40e_rx_buffer to i40e_ring
This patch reduces the size of struct i40e_rx_buffer by one pointer,
and makes the i40e driver a little more consistent with the igb driver
in terms of packets that span buffers.
We do this by moving the skb field from struct i40e_rx_buffer to
struct i40e_ring. We pass the skb we already have (or NULL if we
don't) to i40e_fetch_rx_buffer(), which skips the skb allocation if we
already have one for this packet.
Change-ID: I4ad48a531844494ba0c5d8e1a62209a057f661b0
Signed-off-by: Scott Peterson <scott.d.peterson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.h b/drivers/net/ethernet/intel/i40e/i40e_txrx.h index 1ea820e9debe..f80979025c01 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.h +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.h @@ -253,7 +253,6 @@ struct i40e_tx_buffer { }; struct i40e_rx_buffer { - struct sk_buff *skb; dma_addr_t dma; struct page *page; unsigned int page_offset; @@ -354,6 +353,14 @@ struct i40e_ring { struct rcu_head rcu; /* to avoid race on free */ u16 next_to_alloc; + struct sk_buff *skb; /* When i40e_clean_rx_ring_irq() must + * return before it sees the EOP for + * the current packet, we save that skb + * here and resume receiving this + * packet the next time + * i40e_clean_rx_ring_irq() is called + * for this ring. + */ } ____cacheline_internodealigned_in_smp; enum i40e_latency_range { |