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netdev: add io_uring memory provider info

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Add a nested attribute for io_uring memory provider info. For now it is
empty and its presence indicates that a particular page pool or queue
has an io_uring memory provider attached.

$ ./cli.py --spec netlink/specs/netdev.yaml --dump page-pool-get
[{'id': 80,
  'ifindex': 2,
  'inflight': 64,
  'inflight-mem': 262144,
  'napi-id': 525},
 {'id': 79,
  'ifindex': 2,
  'inflight': 320,
  'inflight-mem': 1310720,
  'io_uring': {},
  'napi-id': 525},
...

$ ./cli.py --spec netlink/specs/netdev.yaml --dump queue-get
[{'id': 0, 'ifindex': 1, 'type': 'rx'},
 {'id': 0, 'ifindex': 1, 'type': 'tx'},
 {'id': 0, 'ifindex': 2, 'napi-id': 513, 'type': 'rx'},
 {'id': 1, 'ifindex': 2, 'napi-id': 514, 'type': 'rx'},
...
 {'id': 12, 'ifindex': 2, 'io_uring': {}, 'napi-id': 525, 'type': 'rx'},
...

Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250204215622.695511-6-dw@davidwei.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
David Wei
2025-02-04 13:56:16 -08:00
committed by Andrii Nakryiko
parent 59171f49e9
commit 01500813ad
1 changed files with 7 additions and 0 deletions
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7
include/uapi/linux/netdev.h
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@@ -86,6 +86,11 @@ enum {
NETDEV_A_DEV_MAX = (__NETDEV_A_DEV_MAX - 1)
};
enum {
__NETDEV_A_IO_URING_PROVIDER_INFO_MAX,
NETDEV_A_IO_URING_PROVIDER_INFO_MAX = (__NETDEV_A_IO_URING_PROVIDER_INFO_MAX - 1)
};
enum {
NETDEV_A_PAGE_POOL_ID = 1,
NETDEV_A_PAGE_POOL_IFINDEX,
@@ -94,6 +99,7 @@ enum {
NETDEV_A_PAGE_POOL_INFLIGHT_MEM,
NETDEV_A_PAGE_POOL_DETACH_TIME,
NETDEV_A_PAGE_POOL_DMABUF,
NETDEV_A_PAGE_POOL_IO_URING,
__NETDEV_A_PAGE_POOL_MAX,
NETDEV_A_PAGE_POOL_MAX = (__NETDEV_A_PAGE_POOL_MAX - 1)
@@ -136,6 +142,7 @@ enum {
NETDEV_A_QUEUE_TYPE,
NETDEV_A_QUEUE_NAPI_ID,
NETDEV_A_QUEUE_DMABUF,
NETDEV_A_QUEUE_IO_URING,
__NETDEV_A_QUEUE_MAX,
NETDEV_A_QUEUE_MAX = (__NETDEV_A_QUEUE_MAX - 1)