[PATCH 23/33] virtio_net: xsk: support xsk setup
From: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Date: 2023-02-02 11:02:01
Also in:
bpf, netdev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
support xsk XDP_SETUP_XSK_POOL. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> --- drivers/net/virtio/main.c | 2 ++ drivers/net/virtio/virtio_net.h | 2 ++ drivers/net/virtio/xsk.c | 9 +++++++++ drivers/net/virtio/xsk.h | 7 +++++++ 4 files changed, 20 insertions(+) create mode 100644 drivers/net/virtio/xsk.h
diff --git a/drivers/net/virtio/main.c b/drivers/net/virtio/main.c
index 0ee23468b795..ed79e750bc6c 100644
--- a/drivers/net/virtio/main.c
+++ b/drivers/net/virtio/main.c@@ -3094,6 +3094,8 @@ static int virtnet_xdp(struct net_device *dev, struct netdev_bpf *xdp) switch (xdp->command) { case XDP_SETUP_PROG: return virtnet_xdp_set(dev, xdp->prog, xdp->extack); + case XDP_SETUP_XSK_POOL: + return virtnet_xsk_pool_setup(dev, xdp); default: return -EINVAL; }
diff --git a/drivers/net/virtio/virtio_net.h b/drivers/net/virtio/virtio_net.h
index 4a7633714802..a12d85624fe9 100644
--- a/drivers/net/virtio/virtio_net.h
+++ b/drivers/net/virtio/virtio_net.h@@ -248,6 +248,8 @@ static inline void virtqueue_napi_schedule(struct napi_struct *napi, } } +#include "xsk.h" + static inline bool is_xdp_frame(void *ptr) { return (unsigned long)ptr & VIRTIO_XDP_FLAG;
diff --git a/drivers/net/virtio/xsk.c b/drivers/net/virtio/xsk.c
index 18c0c6e4d501..b96af38a2608 100644
--- a/drivers/net/virtio/xsk.c
+++ b/drivers/net/virtio/xsk.c@@ -142,3 +142,12 @@ static int virtnet_xsk_pool_disable(struct net_device *dev, u16 qid) return err1 | err2; } + +int virtnet_xsk_pool_setup(struct net_device *dev, struct netdev_bpf *xdp) +{ + if (xdp->xsk.pool) + return virtnet_xsk_pool_enable(dev, xdp->xsk.pool, + xdp->xsk.queue_id); + else + return virtnet_xsk_pool_disable(dev, xdp->xsk.queue_id); +}
diff --git a/drivers/net/virtio/xsk.h b/drivers/net/virtio/xsk.h
new file mode 100644
index 000000000000..1918285c310c
--- /dev/null
+++ b/drivers/net/virtio/xsk.h@@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef __XSK_H__ +#define __XSK_H__ + +int virtnet_xsk_pool_setup(struct net_device *dev, struct netdev_bpf *xdp); +#endif
--
2.32.0.3.g01195cf9f
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