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Message-ID: <20231208005250.2910004-4-almasrymina@google.com>
Date: Thu, 7 Dec 2023 16:52:34 -0800
From: Mina Almasry <almasrymina@...gle.com>
To: Shailend Chand <shailend@...gle.com>, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
linux-arch@...r.kernel.org, linux-kselftest@...r.kernel.org,
bpf@...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>, Jeroen de Borst <jeroendb@...gle.com>,
Praveen Kaligineedi <pkaligineedi@...gle.com>, Jesper Dangaard Brouer <hawk@...nel.org>,
Ilias Apalodimas <ilias.apalodimas@...aro.org>, Arnd Bergmann <arnd@...db.de>,
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>, Yunsheng Lin <linyunsheng@...wei.com>,
Harshitha Ramamurthy <hramamurthy@...gle.com>, Shakeel Butt <shakeelb@...gle.com>
Subject: [net-next v1 03/16] 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 1b935ee341b4..316f7dee86ce 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1432,6 +1432,20 @@ 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);
@@ -1673,6 +1687,16 @@ 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);
};
/**
--
2.43.0.472.g3155946c3a-goog
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