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OpenCloudOS-Kernel/net/ipv4/netlat.h

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net/netlat: add a tcp latency watcher this is backport from tk3 and doing some code clean task Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: mengensun <megnensun@tencent.com>
2024-05-23 21:24:08 +08:00
/* SPDX-License-Identifier: GPL-2.0-only
*
* add a netlat to monitor tcp -package latency
*
* Author: mengensun <mengensun@tencent.com>
* Copyright (C) 2024 Tencent, Inc
*/
#ifndef H______NETLAT
#define H______NETLAT
#ifdef CONFIG_NETLAT
netlat: add more queue latency check point add two more queue latency check point 1. the first fastopen data package 2. when the rx skb filled the hole of the skb in ofo queue Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: MengEn Sun <mengensun@tencent.com>
2024-05-15 16:50:03 +08:00
#define QUEUE_FLAG_OFO 0x1
#define QUEUE_FLAG_RCV 0x2
net/netlat: add a tcp latency watcher this is backport from tk3 and doing some code clean task Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: mengensun <megnensun@tencent.com>
2024-05-23 21:24:08 +08:00
int netlat_net_init(void);
void netlat_net_exit(void);
void netlat_ack_check(struct sock *sk, struct sk_buff *skb);
void netlat_copy_rtxq_skb(struct sock *sk, struct sk_buff *dst, struct sk_buff *src);
void netlat_tcp_enrtxqueue(struct sock *sk, struct sk_buff *skb);
#define netlat_check(oldest, sk, skb) \
do { \
if (oldest) { \
netlat_ack_check(sk, skb); \
oldest = false; \
} \
} while (0)
netlat: add more queue latency check point add two more queue latency check point 1. the first fastopen data package 2. when the rx skb filled the hole of the skb in ofo queue Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: MengEn Sun <mengensun@tencent.com>
2024-05-15 16:50:03 +08:00
void netlat_queue_check(struct sock *sk, struct sk_buff *skb, int flags);
net/netlat: add a tcp latency watcher this is backport from tk3 and doing some code clean task Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: mengensun <megnensun@tencent.com>
2024-05-23 21:24:08 +08:00
void netlat_pick_check(struct sock *sk, struct sk_buff *skb);
#else /* CONFIG_NETLAT */
static __always_inline int netlat_net_init(void) { return 0; };
static __always_inline void netlat_net_exit(void) { };
static __always_inline void netlat_ack_check(struct sock *sk,
struct sk_buff *skb) { };
static __always_inline void netlat_copy_rtxq_skb(struct sock *sk,
struct sk_buff *dst,
struct sk_buff *src) { };
static __always_inline void netlat_tcp_enrtxqueue(struct sock *sk,
struct sk_buff *skb) { };
#define netlat_check(oldest, sk, skb)
netlat: add more queue latency check point add two more queue latency check point 1. the first fastopen data package 2. when the rx skb filled the hole of the skb in ofo queue Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: MengEn Sun <mengensun@tencent.com>
2024-05-15 16:50:03 +08:00
#define QUEUE_FLAG_OFO 0x1
#define QUEUE_FLAG_RCV 0x2
#define netlat_queue_check(sk, skb, flags)
net/netlat: add a tcp latency watcher this is backport from tk3 and doing some code clean task Reviewed-by: kernelxing <kernelxing@tencent.com> Signed-off-by: mengensun <megnensun@tencent.com>
2024-05-23 21:24:08 +08:00
#define netlat_pick_check(sk, skb)
#endif /* !CONFIG_NETLAT */
#endif