android_kernel_samsung_sm8650-modules/core/rmnet_private.h

/* Copyright (c) 2013-2014, 2016-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#ifndef _RMNET_PRIVATE_H_
#define _RMNET_PRIVATE_H_

#include <linux/types.h>

#define RMNET_MAX_PACKET_SIZE      16384
#define RMNET_DFLT_PACKET_SIZE     1500
#define RMNET_NEEDED_HEADROOM      16
#define RMNET_TX_QUEUE_LEN         1000

/* Constants */
#define RMNET_EGRESS_FORMAT_AGGREGATION         BIT(31)
#define RMNET_INGRESS_FORMAT_DL_MARKER_V1       BIT(30)
#define RMNET_INGRESS_FORMAT_DL_MARKER_V2       BIT(29)

#define RMNET_FLAGS_INGRESS_COALESCE            BIT(4)
#define RMNET_PRIV_FLAGS_INGRESS_MAP_CKSUMV5    BIT(5)
#define RMNET_PRIV_FLAGS_EGRESS_MAP_CKSUMV5     BIT(6)

#define RMNET_INGRESS_FORMAT_DL_MARKER  (RMNET_INGRESS_FORMAT_DL_MARKER_V1 |\
RMNET_INGRESS_FORMAT_DL_MARKER_V2)

/* UL Packet prioritization */
#define RMNET_EGRESS_FORMAT_PRIORITY            BIT(28)

/* Power save feature*/
#define RMNET_INGRESS_FORMAT_PS                 BIT(27)
#define RMNET_FORMAT_PS_NOTIF                   BIT(26)

/* UL Aggregation parameters */
#define RMNET_PAGE_RECYCLE                      BIT(0)

/* Replace skb->dev to a virtual rmnet device and pass up the stack */
#define RMNET_EPMODE_VND (1)
/* Pass the frame directly to another device with dev_queue_xmit() */
#define RMNET_EPMODE_BRIDGE (2)

/* Struct for skb control block use within rmnet driver */
struct rmnet_skb_cb {
	/* MUST be the first entries because of legacy reasons */
	char flush_shs;
	char qmap_steer;

	bool tethered;

	/* coalescing stats */
	u32 coal_bytes;
	u32 coal_bufsize;

	u32 bif;
	u32 ack_thresh;
	u32 ack_forced;
};

#define RMNET_SKB_CB(skb) ((struct rmnet_skb_cb *)(skb)->cb)

#endif /* _RMNET_PRIVATE_H_ */