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/* Copyright (c) 2013-2014, 2016-2018 The Linux Foundation. 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.
*
* RMNET Data configuration engine
*
*/
#include <linux/skbuff.h>
#include <net/gro_cells.h>
#ifndef _RMNET_CONFIG_H_
#define _RMNET_CONFIG_H_
#define RMNET_MAX_LOGICAL_EP 255
struct rmnet_endpoint {
u8 mux_id;
struct net_device *egress_dev;
struct hlist_node hlnode;
};
/* One instance of this structure is instantiated for each real_dev associated
* with rmnet.
*/
struct rmnet_port {
struct net_device *dev;
u32 data_format;
u8 nr_rmnet_devs;
u8 rmnet_mode;
struct hlist_head muxed_ep[RMNET_MAX_LOGICAL_EP];
struct net_device *bridge_ep;
};
extern struct rtnl_link_ops rmnet_link_ops;
struct rmnet_vnd_stats {
u64 rx_pkts;
u64 rx_bytes;
u64 tx_pkts;
u64 tx_bytes;
u32 tx_drops;
};
struct rmnet_pcpu_stats {
struct rmnet_vnd_stats stats;
struct u64_stats_sync syncp;
};
struct rmnet_priv_stats {
u64 csum_ok;
u64 csum_valid_unset;
u64 csum_validation_failed;
u64 csum_err_bad_buffer;
u64 csum_err_invalid_ip_version;
u64 csum_err_invalid_transport;
u64 csum_fragmented_pkt;
u64 csum_skipped;
u64 csum_sw;
};
struct rmnet_priv {
u8 mux_id;
struct net_device *real_dev;
struct rmnet_pcpu_stats __percpu *pcpu_stats;
struct gro_cells gro_cells;
struct rmnet_priv_stats stats;
};
struct rmnet_port *rmnet_get_port(struct net_device *real_dev);
struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id);
int rmnet_add_bridge(struct net_device *rmnet_dev,
struct net_device *slave_dev,
struct netlink_ext_ack *extack);
int rmnet_del_bridge(struct net_device *rmnet_dev,
struct net_device *slave_dev);
#endif /* _RMNET_CONFIG_H_ */
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