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authorSunil Goutham <sgoutham@cavium.com>2017-11-24 15:03:26 +0300
committerDavid S. Miller <davem@davemloft.net>2017-11-30 17:24:07 +0300
commitaa136d0c82fcd6af14535853c30e219e02b2692d (patch)
tree5ea3290658c3206b3bf8964f2f62c918ec130a21 /drivers/net/ethernet/cavium/thunder/nicvf_queues.h
parentb9151761021e25c024a6670df4e7c43ffbab0e1d (diff)
downloadlinux-aa136d0c82fcd6af14535853c30e219e02b2692d.tar.xz
net: thunderx: Add support for xdp redirect
This patch adds support for XDP_REDIRECT. Flush is not yet supported. Signed-off-by: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: cjacob <cjacob@caviumnetworks.com> Signed-off-by: Aleksey Makarov <aleksey.makarov@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/cavium/thunder/nicvf_queues.h')
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
index 67d1a3230773..178ab6e8e3c5 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h
@@ -11,6 +11,7 @@
#include <linux/netdevice.h>
#include <linux/iommu.h>
+#include <linux/bpf.h>
#include "q_struct.h"
#define MAX_QUEUE_SET 128
@@ -92,6 +93,9 @@
#define RCV_FRAG_LEN (SKB_DATA_ALIGN(DMA_BUFFER_LEN + NET_SKB_PAD) + \
SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
+#define RCV_BUF_HEADROOM 128 /* To store dma address for XDP redirect */
+#define XDP_HEADROOM (XDP_PACKET_HEADROOM + RCV_BUF_HEADROOM)
+
#define MAX_CQES_FOR_TX ((SND_QUEUE_LEN / MIN_SQ_DESC_PER_PKT_XMIT) * \
MAX_CQE_PER_PKT_XMIT)