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authorBjörn Töpel <bjorn.topel@intel.com>2020-11-30 19:52:01 +0100
committerDaniel Borkmann <daniel@iogearbox.net>2020-12-01 00:09:25 +0100
commitb02e5a0ebb172c8276cea3151942aac681f7a4a6 (patch)
tree26024949ee1ced1a783b2128cc8ca8cfa904c29b /net/xdp
parenta0731952d9cddc9c11a8352922f449e6ab2f7537 (diff)
xsk: Propagate napi_id to XDP socket Rx path
Add napi_id to the xdp_rxq_info structure, and make sure the XDP socket pick up the napi_id in the Rx path. The napi_id is used to find the corresponding NAPI structure for socket busy polling. Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Tariq Toukan <tariqt@nvidia.com> Link: https://lore.kernel.org/bpf/20201130185205.196029-7-bjorn.topel@gmail.com
Diffstat (limited to 'net/xdp')
-rw-r--r--net/xdp/xsk.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index a8501a5477cf..7588e599a048 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -233,6 +233,7 @@ static int xsk_rcv(struct xdp_sock *xs, struct xdp_buff *xdp,
if (xs->dev != xdp->rxq->dev || xs->queue_id != xdp->rxq->queue_index)
return -EINVAL;
+ sk_mark_napi_id_once_xdp(&xs->sk, xdp);
len = xdp->data_end - xdp->data;
return xdp->rxq->mem.type == MEM_TYPE_XSK_BUFF_POOL ?