From: Jesper Dangaard Brouer <brouer@redhat.com>
To: netdev@vger.kernel.org, Daniel Borkmann <borkmann@iogearbox.net>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Jesper Dangaard Brouer <brouer@redhat.com>
Cc: John Fastabend <john.fastabend@gmail.com>, makita.toshiaki@lab.ntt.co.jp
Subject: [bpf-next V1 PATCH 2/8] i40e: implement flush flag for ndo_xdp_xmit
Date: Wed, 30 May 2018 20:00:43 +0200 [thread overview]
Message-ID: <152770324304.20510.3553783983496502887.stgit@firesoul> (raw)
In-Reply-To: <152770312703.20510.5854417568847239931.stgit@firesoul>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
---
drivers/net/ethernet/intel/i40e/i40e_txrx.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index c0451d6e0790..03c1446f0465 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -3685,7 +3685,7 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
if (!i40e_enabled_xdp_vsi(vsi) || queue_index >= vsi->num_queue_pairs)
return -ENXIO;
- if (unlikely(flags & ~XDP_XMIT_FLAGS_NONE))
+ if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
return -EINVAL;
for (i = 0; i < n; i++) {
@@ -3699,6 +3699,9 @@ int i40e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames,
}
}
+ if (unlikely(flags & XDP_XMIT_FLUSH))
+ i40e_xdp_ring_update_tail(vsi->xdp_rings[queue_index]);
+
return n - drops;
}
next prev parent reply other threads:[~2018-05-30 18:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-30 18:00 [bpf-next V1 PATCH 0/8] bpf/xdp: add flags argument to ndo_xdp_xmit and flag flush operation Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 1/8] xdp: add flags argument to ndo_xdp_xmit API Jesper Dangaard Brouer
2018-05-30 21:55 ` Song Liu
2018-05-30 18:00 ` Jesper Dangaard Brouer [this message]
2018-05-30 21:58 ` [bpf-next V1 PATCH 2/8] i40e: implement flush flag for ndo_xdp_xmit Song Liu
2018-05-31 8:40 ` Jesper Dangaard Brouer
2018-05-31 8:47 ` Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 3/8] ixgbe: " Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 4/8] tun: " Jesper Dangaard Brouer
2018-05-30 18:00 ` [bpf-next V1 PATCH 5/8] virtio_net: " Jesper Dangaard Brouer
2018-05-30 18:01 ` [bpf-next V1 PATCH 6/8] xdp: done implementing ndo_xdp_xmit flush flag for all drivers Jesper Dangaard Brouer
2018-05-30 18:01 ` [bpf-next V1 PATCH 7/8] bpf/xdp: non-map redirect can avoid calling ndo_xdp_flush Jesper Dangaard Brouer
2018-05-30 18:01 ` [bpf-next V1 PATCH 8/8] bpf/xdp: devmap " Jesper Dangaard Brouer
2018-05-30 22:06 ` Song Liu
2018-05-31 7:49 ` Jesper Dangaard Brouer
2018-05-30 22:18 ` [bpf-next V1 PATCH 0/8] bpf/xdp: add flags argument to ndo_xdp_xmit and flag flush operation Song Liu
2018-05-31 7:39 ` Jesper Dangaard Brouer
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