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From: Jonathan Lemon <[email protected]>
To: <[email protected]>
Cc: <[email protected]>
Subject: [RFC PATCH v3 02/15] netdevice: add SETUP_ZCTAP to the netdev_bpf structure
Date: Wed, 2 Nov 2022 16:32:31 -0700	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

This command requests the networking device setup or teardown
a new interface queue, backed by a region of user supplied memory.

The queue will be managed by io-uring.

Signed-off-by: Jonathan Lemon <[email protected]>
---
 include/linux/netdevice.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 4b5052db978f..c6bf63752bd9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -980,6 +980,7 @@ enum bpf_netdev_command {
 	BPF_OFFLOAD_MAP_ALLOC,
 	BPF_OFFLOAD_MAP_FREE,
 	XDP_SETUP_XSK_POOL,
+	XDP_SETUP_ZCTAP,
 };
 
 struct bpf_prog_offload_ops;
@@ -1018,6 +1019,11 @@ struct netdev_bpf {
 			struct xsk_buff_pool *pool;
 			u16 queue_id;
 		} xsk;
+		/* XDP_SETUP_ZCTAP */
+		struct {
+			struct io_zctap_ifq *ifq;
+			u16 queue_id;
+		} zct;
 	};
 };
 
-- 
2.30.2


  parent reply	other threads:[~2022-11-02 23:40 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-02 23:32 [RFC PATCH v3 00/15] zero-copy RX for io_uring Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 01/15] io_uring: add zctap ifq definition Jonathan Lemon
2022-11-02 23:32 ` Jonathan Lemon [this message]
2022-11-02 23:32 ` [RFC PATCH v3 03/15] io_uring: add register ifq opcode Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 04/15] io_uring: create a zctap region for a mapped buffer Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 05/15] io_uring: mark pages in ifq region with zctap information Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 06/15] io_uring: Provide driver API for zctap packet buffers Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 07/15] io_uring: Allocate zctap device buffers and dma map them Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 08/15] io_uring: Add zctap buffer get/put functions and refcounting Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 09/15] skbuff: Introduce SKBFL_FIXED_FRAG and skb_fixed() Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 10/15] io_uring: Allocate a uarg for use by the ifq RX Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 11/15] io_uring: Define the zctap iov[] returned to the user Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 12/15] io_uring: add OP_RECV_ZC command Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 13/15] io_uring: Make remove_ifq_region a delayed work call Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 14/15] io_uring: Add a buffer caching mechanism for zctap Jonathan Lemon
2022-11-02 23:32 ` [RFC PATCH v3 15/15] io_uring: Notify the application as the fillq is drained Jonathan Lemon

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