Contributors: 8
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Stefan Roesch |
203 |
54.86% |
4 |
14.29% |
| Jens Axboe |
73 |
19.73% |
9 |
32.14% |
| Pavel Begunkov |
40 |
10.81% |
9 |
32.14% |
| Olivier Langlois |
19 |
5.14% |
2 |
7.14% |
| Dylan Yudaken |
16 |
4.32% |
1 |
3.57% |
| Yufan Chen |
13 |
3.51% |
1 |
3.57% |
| Breno Leitão |
4 |
1.08% |
1 |
3.57% |
| Paul Moore |
2 |
0.54% |
1 |
3.57% |
| Total |
370 |
|
28 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef IOU_NAPI_H
#define IOU_NAPI_H
#include <linux/kernel.h>
#include <linux/io_uring.h>
#include <net/busy_poll.h>
#ifdef CONFIG_NET_RX_BUSY_POLL
void io_napi_init(struct io_ring_ctx *ctx);
void io_napi_free(struct io_ring_ctx *ctx);
int io_register_napi(struct io_ring_ctx *ctx, void __user *arg);
int io_unregister_napi(struct io_ring_ctx *ctx, void __user *arg);
int __io_napi_add_id(struct io_ring_ctx *ctx, unsigned int napi_id,
unsigned int mode);
void __io_napi_busy_loop(struct io_ring_ctx *ctx, struct io_wait_queue *iowq);
int io_napi_sqpoll_busy_poll(struct io_ring_ctx *ctx);
static inline bool io_napi(struct io_ring_ctx *ctx)
{
return !list_empty(&ctx->napi_list);
}
static inline void io_napi_busy_loop(struct io_ring_ctx *ctx,
struct io_wait_queue *iowq)
{
if (!io_napi(ctx))
return;
__io_napi_busy_loop(ctx, iowq);
}
/*
* io_napi_add() - Add napi id to the busy poll list
* @req: pointer to io_kiocb request
*
* Add the napi id of the socket to the napi busy poll list and hash table.
*/
static inline void io_napi_add(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
struct socket *sock;
unsigned int mode = IO_URING_NAPI_TRACKING_DYNAMIC;
if (READ_ONCE(ctx->napi_track_mode) != mode)
return;
sock = sock_from_file(req->file);
if (sock && sock->sk)
__io_napi_add_id(ctx, READ_ONCE(sock->sk->sk_napi_id), mode);
}
#else
static inline void io_napi_init(struct io_ring_ctx *ctx)
{
}
static inline void io_napi_free(struct io_ring_ctx *ctx)
{
}
static inline int io_register_napi(struct io_ring_ctx *ctx, void __user *arg)
{
return -EOPNOTSUPP;
}
static inline int io_unregister_napi(struct io_ring_ctx *ctx, void __user *arg)
{
return -EOPNOTSUPP;
}
static inline bool io_napi(struct io_ring_ctx *ctx)
{
return false;
}
static inline void io_napi_add(struct io_kiocb *req)
{
}
static inline void io_napi_busy_loop(struct io_ring_ctx *ctx,
struct io_wait_queue *iowq)
{
}
static inline int io_napi_sqpoll_busy_poll(struct io_ring_ctx *ctx)
{
return 0;
}
#endif /* CONFIG_NET_RX_BUSY_POLL */
#endif