diff options
| author |   Shay Agroskin <shayagr@amazon.com> | 2020-12-08 20:02:08 +0200 |
|---|---|---|
| committer |   Jakub Kicinski <kuba@kernel.org> | 2020-12-09 15:26:40 -0800 |
| commit | f1a25589130366a96a2a0d165e9f4d9289336e9f (patch) | |
| tree | 869b7a1b7f551ea214b65822c3e0e7d6f168d9f2 /drivers/net/ethernet/amazon/ena/ena_netdev.h | |
| parent | net: ena: use xdp_return_frame() to free xdp frames (diff) | |
| download | linux-dev-f1a25589130366a96a2a0d165e9f4d9289336e9f.tar.xz linux-dev-f1a25589130366a96a2a0d165e9f4d9289336e9f.zip | |
net: ena: introduce ndo_xdp_xmit() function for XDP_REDIRECT
This patch implements the ndo_xdp_xmit() net_device function which is
called when a packet is redirected to this driver using an
XDP_REDIRECT directive.
The function receives an array of xdp frames that it needs to xmit.
The TX queues that are used to xmit these frames are the XDP
queues used by the XDP_TX flow. Therefore a lock is added to synchronize
both flows (XDP_TX and XDP_REDIRECT).
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_netdev.h')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index fed79c50a870..74af15d62ee1 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -258,6 +258,7 @@ struct ena_ring { struct ena_com_io_sq *ena_com_io_sq; struct bpf_prog *xdp_bpf_prog; struct xdp_rxq_info xdp_rxq; + spinlock_t xdp_tx_lock; /* synchronize XDP TX/Redirect traffic */ u16 next_to_use; u16 next_to_clean; |