[bpf-next V3 PATCH 03/15] ixgbe: use xdp_return_frame API
From: Jesper Dangaard Brouer <hidden>
Date: 2018-03-09 20:55:19
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Extend struct ixgbe_tx_buffer to store the xdp_mem_info. Signed-off-by: Jesper Dangaard Brouer <redacted> --- drivers/net/ethernet/intel/ixgbe/ixgbe.h | 1 + drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 6 ++++-- 2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index c1e3a0039ea5..cbc20f199364 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h@@ -249,6 +249,7 @@ 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 {
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 85369423452d..45520eb503ee 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c@@ -1207,7 +1207,7 @@ 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);
@@ -5787,7 +5787,7 @@ 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);
@@ -8351,6 +8351,8 @@ 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 */