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ixgbe: use xdp_return_frame API 

Extend struct ixgbe_tx_buffer to store the xdp_mem_info.

Notice that this could be optimized further by putting this into
a union in the struct ixgbe_tx_buffer, but this patchset
works towards removing this again.  Thus, this is not done.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer 2018-04-17 16:45:32 +02:00 committed by David S. Miller
parent 5ab073ffd3
commit 189ead81a8
2 changed files with 5 additions and 2 deletions
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1
drivers/net/ethernet/intel/ixgbe/ixgbe.h
View File

@ -250,6 +250,7 @@ struct ixgbe_tx_buffer {
DEFINE_DMA_UNMAP_ADDR(dma);
DEFINE_DMA_UNMAP_LEN(len);
u32 tx_flags;
struct xdp_mem_info xdp_mem;
};
struct ixgbe_rx_buffer {

6
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
View File

@ -1216,7 +1216,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
/* free the skb */
if (ring_is_xdp(tx_ring))
page_frag_free(tx_buffer->data);
xdp_return_frame(tx_buffer->data, &tx_buffer->xdp_mem);
else
napi_consume_skb(tx_buffer->skb, napi_budget);
@ -5797,7 +5797,7 @@ static void ixgbe_clean_tx_ring(struct ixgbe_ring *tx_ring)
/* Free all the Tx ring sk_buffs */
if (ring_is_xdp(tx_ring))
page_frag_free(tx_buffer->data);
xdp_return_frame(tx_buffer->data, &tx_buffer->xdp_mem);
else
dev_kfree_skb_any(tx_buffer->skb);
@ -8366,6 +8366,8 @@ static int ixgbe_xmit_xdp_ring(struct ixgbe_adapter *adapter,
dma_unmap_len_set(tx_buffer, len, len);
dma_unmap_addr_set(tx_buffer, dma, dma);
tx_buffer->data = xdp->data;
tx_buffer->xdp_mem = xdp->rxq->mem;
tx_desc->read.buffer_addr = cpu_to_le64(dma);
/* put descriptor type bits */