From: Mina Almasry <almasrymina@google.com> To: Shailend Chand <shailend@google.com>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, bpf@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: "Mina Almasry" <almasrymina@google.com>, "David S. Miller" <davem@davemloft.net>, "Eric Dumazet" <edumazet@google.com>, "Jakub Kicinski" <kuba@kernel.org>, "Paolo Abeni" <pabeni@redhat.com>, "Jonathan Corbet" <corbet@lwn.net>, "Jeroen de Borst" <jeroendb@google.com>, "Praveen Kaligineedi" <pkaligineedi@google.com>, "Jesper Dangaard Brouer" <hawk@kernel.org>, "Ilias Apalodimas" <ilias.apalodimas@linaro.org>, "Arnd Bergmann" <arnd@arndb.de>, "David Ahern" <dsahern@kernel.org>, "Willem de Bruijn" <willemdebruijn.kernel@gmail.com>, "Shuah Khan" <shuah@kernel.org>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Christian König" <christian.koenig@amd.com>, "Yunsheng Lin" <linyunsheng@huawei.com>, "Harshitha Ramamurthy" <hramamurthy@google.com>, "Shakeel Butt" <shakeelb@google.com> Subject: [net-next v1 03/16] queue_api: define queue api Date: Thu, 7 Dec 2023 16:52:34 -0800 [thread overview] Message-ID: <20231208005250.2910004-4-almasrymina@google.com> (raw) In-Reply-To: <20231208005250.2910004-1-almasrymina@google.com> This API enables the net stack to reset the queues used for devmem. Signed-off-by: Mina Almasry <almasrymina@google.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
WARNING: multiple messages have this Message-ID (diff)
From: Mina Almasry <almasrymina@google.com> To: Shailend Chand <shailend@google.com>, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, bpf@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: "Mina Almasry" <almasrymina@google.com>, "Willem de Bruijn" <willemdebruijn.kernel@gmail.com>, "Jeroen de Borst" <jeroendb@google.com>, "Jesper Dangaard Brouer" <hawk@kernel.org>, "Arnd Bergmann" <arnd@arndb.de>, "Jonathan Corbet" <corbet@lwn.net>, "David Ahern" <dsahern@kernel.org>, "Ilias Apalodimas" <ilias.apalodimas@linaro.org>, "Yunsheng Lin" <linyunsheng@huawei.com>, "Sumit Semwal" <sumit.semwal@linaro.org>, "Eric Dumazet" <edumazet@google.com>, "Shakeel Butt" <shakeelb@google.com>, "Harshitha Ramamurthy" <hramamurthy@google.com>, "Praveen Kaligineedi" <pkaligineedi@google.com>, "Jakub Kicinski" <kuba@kernel.org>, "Christian König" <christian.koenig@amd.com>, "Paolo Abeni" <pabeni@redhat.com>, "Shuah Khan" <shuah@kernel.org>, "David S. Miller" <davem@davemloft.net> Subject: [net-next v1 03/16] queue_api: define queue api Date: Thu, 7 Dec 2023 16:52:34 -0800 [thread overview] Message-ID: <20231208005250.2910004-4-almasrymina@google.com> (raw) In-Reply-To: <20231208005250.2910004-1-almasrymina@google.com> This API enables the net stack to reset the queues used for devmem. Signed-off-by: Mina Almasry <almasrymina@google.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
next prev parent reply other threads:[~2023-12-08 0:53 UTC|newest] Thread overview: 145+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-12-08 0:52 [net-next v1 00/16] Device Memory TCP Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 01/16] net: page_pool: factor out releasing DMA from releasing the page Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-10 3:49 ` Shakeel Butt 2023-12-10 3:49 ` Shakeel Butt 2023-12-12 8:11 ` Ilias Apalodimas 2023-12-12 8:11 ` Ilias Apalodimas 2023-12-08 0:52 ` [net-next v1 02/16] net: page_pool: create hooks for custom page providers Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-12 8:07 ` Ilias Apalodimas 2023-12-12 8:07 ` Ilias Apalodimas 2023-12-12 14:47 ` Mina Almasry 2023-12-12 14:47 ` Mina Almasry 2023-12-08 0:52 ` Mina Almasry [this message] 2023-12-08 0:52 ` [net-next v1 03/16] queue_api: define queue api Mina Almasry 2023-12-14 1:15 ` Jakub Kicinski 2023-12-14 1:15 ` Jakub Kicinski 2023-12-08 0:52 ` [net-next v1 04/16] gve: implement " Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2024-03-05 11:45 ` Arnd Bergmann 2023-12-08 0:52 ` [net-next v1 05/16] net: netdev netlink api to bind dma-buf to a net device Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-14 1:17 ` Jakub Kicinski 2023-12-14 1:17 ` Jakub Kicinski 2023-12-08 0:52 ` [net-next v1 06/16] netdev: support binding dma-buf to netdevice Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 15:40 ` kernel test robot 2023-12-08 15:40 ` kernel test robot 2023-12-08 16:02 ` kernel test robot 2023-12-08 16:02 ` kernel test robot 2023-12-08 17:48 ` David Ahern 2023-12-08 17:48 ` David Ahern 2023-12-08 19:22 ` Mina Almasry 2023-12-08 19:22 ` Mina Almasry 2023-12-08 20:32 ` Mina Almasry 2023-12-08 20:32 ` Mina Almasry 2023-12-09 23:29 ` David Ahern 2023-12-09 23:29 ` David Ahern 2023-12-11 2:19 ` Mina Almasry 2023-12-11 2:19 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 07/16] netdev: netdevice devmem allocator Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 17:56 ` David Ahern 2023-12-08 17:56 ` David Ahern 2023-12-08 19:27 ` Mina Almasry 2023-12-08 19:27 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 08/16] memory-provider: dmabuf devmem memory provider Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 22:48 ` Pavel Begunkov 2023-12-08 22:48 ` Pavel Begunkov 2023-12-08 23:25 ` Mina Almasry 2023-12-08 23:25 ` Mina Almasry 2023-12-10 3:03 ` Pavel Begunkov 2023-12-10 3:03 ` Pavel Begunkov 2023-12-11 2:30 ` Mina Almasry 2023-12-11 2:30 ` Mina Almasry 2023-12-11 20:35 ` Pavel Begunkov 2023-12-11 20:35 ` Pavel Begunkov 2023-12-14 20:03 ` Mina Almasry 2023-12-14 20:03 ` Mina Almasry 2023-12-19 23:55 ` Pavel Begunkov 2023-12-19 23:55 ` Pavel Begunkov 2023-12-08 23:05 ` Pavel Begunkov 2023-12-08 23:05 ` Pavel Begunkov 2023-12-12 12:25 ` Jason Gunthorpe 2023-12-12 12:25 ` Jason Gunthorpe 2023-12-12 13:07 ` Christoph Hellwig 2023-12-12 14:26 ` Mina Almasry 2023-12-12 14:26 ` Mina Almasry 2023-12-12 14:39 ` Jason Gunthorpe 2023-12-12 14:39 ` Jason Gunthorpe 2023-12-12 14:58 ` Mina Almasry 2023-12-12 14:58 ` Mina Almasry 2023-12-12 15:08 ` Jason Gunthorpe 2023-12-12 15:08 ` Jason Gunthorpe 2023-12-13 1:09 ` Mina Almasry 2023-12-13 1:09 ` Mina Almasry 2023-12-13 2:19 ` David Ahern 2023-12-13 2:19 ` David Ahern 2023-12-13 7:49 ` Yinjun Zhang 2023-12-13 7:49 ` Yinjun Zhang 2023-12-08 0:52 ` [net-next v1 09/16] page_pool: device memory support Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 9:30 ` Yunsheng Lin 2023-12-08 9:30 ` Yunsheng Lin 2023-12-08 16:05 ` Mina Almasry 2023-12-08 16:05 ` Mina Almasry 2023-12-11 2:04 ` Yunsheng Lin 2023-12-11 2:04 ` Yunsheng Lin 2023-12-11 2:26 ` Mina Almasry 2023-12-11 2:26 ` Mina Almasry 2023-12-11 4:04 ` Mina Almasry 2023-12-11 4:04 ` Mina Almasry 2023-12-11 11:51 ` Yunsheng Lin 2023-12-11 11:51 ` Yunsheng Lin 2023-12-11 18:14 ` Mina Almasry 2023-12-11 18:14 ` Mina Almasry 2023-12-12 11:17 ` Yunsheng Lin 2023-12-12 11:17 ` Yunsheng Lin 2023-12-12 14:28 ` Mina Almasry 2023-12-12 14:28 ` Mina Almasry 2023-12-13 11:48 ` Yunsheng Lin 2023-12-13 11:48 ` Yunsheng Lin 2023-12-13 7:52 ` Mina Almasry 2023-12-13 7:52 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 10/16] page_pool: don't release iov on elevanted refcount Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 11/16] net: support non paged skb frags Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 12/16] net: add support for skbs with unreadable frags Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 13/16] tcp: RX path for devmem TCP Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 15:40 ` kernel test robot 2023-12-08 15:40 ` kernel test robot 2023-12-08 17:55 ` David Ahern 2023-12-08 17:55 ` David Ahern 2023-12-08 19:23 ` Mina Almasry 2023-12-08 19:23 ` Mina Almasry 2023-12-08 0:52 ` [net-next v1 14/16] net: add SO_DEVMEM_DONTNEED setsockopt to release RX frags Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-12 19:08 ` Simon Horman 2023-12-12 19:08 ` Simon Horman 2023-12-08 0:52 ` [net-next v1 15/16] net: add devmem TCP documentation Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-12 19:14 ` Simon Horman 2023-12-12 19:14 ` Simon Horman 2023-12-08 0:52 ` [net-next v1 16/16] selftests: add ncdevmem, netcat for devmem TCP Mina Almasry 2023-12-08 0:52 ` Mina Almasry 2023-12-08 1:47 ` [net-next v1 00/16] Device Memory TCP Mina Almasry 2023-12-08 1:47 ` Mina Almasry 2023-12-08 17:57 ` David Ahern 2023-12-08 17:57 ` David Ahern 2023-12-08 19:31 ` Mina Almasry 2023-12-08 19:31 ` Mina Almasry 2023-12-10 3:48 ` Shakeel Butt 2023-12-10 3:48 ` Shakeel Butt 2023-12-12 5:58 ` Christoph Hellwig 2023-12-14 6:20 ` patchwork-bot+netdevbpf 2023-12-14 6:20 ` patchwork-bot+netdevbpf 2023-12-14 6:48 ` Christoph Hellwig 2023-12-14 6:51 ` Mina Almasry 2023-12-14 6:51 ` Mina Almasry 2023-12-14 6:59 ` Christoph Hellwig
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