diff options
author | Matteo Croce <mcroce@microsoft.com> | 2020-07-02 16:12:43 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-03 14:46:24 -0700 |
commit | c2d6fe6163de80d7f7cf400ee351f56d6cdb7a5a (patch) | |
tree | ffce82631cf0501efe24dabe7462bf4f52509a5b /drivers/net/ethernet/marvell/mvpp2/mvpp2.h | |
parent | 07dd0a7aae7f72af7cec18909581c2bb570edddc (diff) |
mvpp2: XDP TX support
Add the transmit part of XDP support, which includes:
- support for XDP_TX in mvpp2_xdp()
- .ndo_xdp_xmit hook for AF_XDP and XDP_REDIRECT with mvpp2 as destination
mvpp2_xdp_submit_frame() is a generic function which is called by
mvpp2_xdp_xmit_back() when doing XDP_TX, and by mvpp2_xdp_xmit when
doing AF_XDP or XDP_REDIRECT target.
The buffer allocation has been reworked to be able to map the buffers
as DMA_FROM_DEVICE or DMA_BIDIRECTIONAL depending if native XDP is
in use or not.
Co-developed-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/marvell/mvpp2/mvpp2.h')
-rw-r--r-- | drivers/net/ethernet/marvell/mvpp2/mvpp2.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index f351e41c9da6..c52955b33fab 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -1082,9 +1082,20 @@ struct mvpp2_rx_desc { }; }; +enum mvpp2_tx_buf_type { + MVPP2_TYPE_SKB, + MVPP2_TYPE_XDP_TX, + MVPP2_TYPE_XDP_NDO, +}; + struct mvpp2_txq_pcpu_buf { + enum mvpp2_tx_buf_type type; + /* Transmitted SKB */ - struct sk_buff *skb; + union { + struct xdp_frame *xdpf; + struct sk_buff *skb; + }; /* Physical address of transmitted buffer */ dma_addr_t dma; |