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Message-ID: <20240305020153.2787423-2-almasrymina@google.com>
Date: Mon, 4 Mar 2024 18:01:36 -0800
From: Mina Almasry <almasrymina@...gle.com>
To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, linux-alpha@...r.kernel.org,
linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
sparclinux@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
linux-arch@...r.kernel.org, bpf@...r.kernel.org,
linux-kselftest@...r.kernel.org, linux-media@...r.kernel.org,
dri-devel@...ts.freedesktop.org
Cc: Mina Almasry <almasrymina@...gle.com>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Jonathan Corbet <corbet@....net>, Richard Henderson <richard.henderson@...aro.org>,
Ivan Kokshaysky <ink@...assic.park.msu.ru>, Matt Turner <mattst88@...il.com>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, Helge Deller <deller@....de>,
Andreas Larsson <andreas@...sler.com>, Jesper Dangaard Brouer <hawk@...nel.org>,
Ilias Apalodimas <ilias.apalodimas@...aro.org>, Steven Rostedt <rostedt@...dmis.org>,
Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Arnd Bergmann <arnd@...db.de>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>,
Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <martin.lau@...ux.dev>,
Eduard Zingerman <eddyz87@...il.com>, Song Liu <song@...nel.org>,
Yonghong Song <yonghong.song@...ux.dev>, John Fastabend <john.fastabend@...il.com>,
KP Singh <kpsingh@...nel.org>, Stanislav Fomichev <sdf@...gle.com>, Hao Luo <haoluo@...gle.com>,
Jiri Olsa <jolsa@...nel.org>, David Ahern <dsahern@...nel.org>,
Willem de Bruijn <willemdebruijn.kernel@...il.com>, Shuah Khan <shuah@...nel.org>,
Sumit Semwal <sumit.semwal@...aro.org>,
"Christian König" <christian.koenig@....com>, Pavel Begunkov <asml.silence@...il.com>,
David Wei <dw@...idwei.uk>, Jason Gunthorpe <jgg@...pe.ca>, Yunsheng Lin <linyunsheng@...wei.com>,
Shailend Chand <shailend@...gle.com>, Harshitha Ramamurthy <hramamurthy@...gle.com>,
Shakeel Butt <shakeelb@...gle.com>, Jeroen de Borst <jeroendb@...gle.com>,
Praveen Kaligineedi <pkaligineedi@...gle.com>
Subject: [RFC PATCH net-next v6 01/15] queue_api: define queue api
This API enables the net stack to reset the queues used for devmem.
Signed-off-by: Mina Almasry <almasrymina@...gle.com>
---
include/linux/netdevice.h | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c41019f34179..3105c586355d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1435,6 +1435,20 @@ struct netdev_net_notifier {
* struct kernel_hwtstamp_config *kernel_config,
* struct netlink_ext_ack *extack);
* Change the hardware timestamping parameters for NIC device.
+ *
+ * void *(*ndo_queue_mem_alloc)(struct net_device *dev, int idx);
+ * Allocate memory for an RX queue. The memory returned in the form of
+ * a void * can be passed to ndo_queue_mem_free() for freeing or to
+ * ndo_queue_start to create an RX queue with this memory.
+ *
+ * void (*ndo_queue_mem_free)(struct net_device *dev, void *);
+ * Free memory from an RX queue.
+ *
+ * int (*ndo_queue_start)(struct net_device *dev, int idx, void *);
+ * Start an RX queue at the specified index.
+ *
+ * int (*ndo_queue_stop)(struct net_device *dev, int idx, void **);
+ * Stop the RX queue at the specified index.
*/
struct net_device_ops {
int (*ndo_init)(struct net_device *dev);
@@ -1679,6 +1693,16 @@ struct net_device_ops {
int (*ndo_hwtstamp_set)(struct net_device *dev,
struct kernel_hwtstamp_config *kernel_config,
struct netlink_ext_ack *extack);
+ void * (*ndo_queue_mem_alloc)(struct net_device *dev,
+ int idx);
+ void (*ndo_queue_mem_free)(struct net_device *dev,
+ void *queue_mem);
+ int (*ndo_queue_start)(struct net_device *dev,
+ int idx,
+ void *queue_mem);
+ int (*ndo_queue_stop)(struct net_device *dev,
+ int idx,
+ void **out_queue_mem);
};
/**
--
2.44.0.rc1.240.g4c46232300-goog
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