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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright (c) 2013-2014, 2016-2018, 2021 The Linux Foundation.3 * All rights reserved.4 *5 * RMNET Data configuration engine6 */7 8#include <linux/skbuff.h>9#include <linux/time.h>10#include <net/gro_cells.h>11 12#ifndef _RMNET_CONFIG_H_13#define _RMNET_CONFIG_H_14 15#define RMNET_MAX_LOGICAL_EP 25516 17struct rmnet_endpoint {18 u8 mux_id;19 struct net_device *egress_dev;20 struct hlist_node hlnode;21};22 23struct rmnet_egress_agg_params {24 u32 bytes;25 u32 count;26 u64 time_nsec;27};28 29/* One instance of this structure is instantiated for each real_dev associated30 * with rmnet.31 */32struct rmnet_port {33 struct net_device *dev;34 u32 data_format;35 u8 nr_rmnet_devs;36 u8 rmnet_mode;37 struct hlist_head muxed_ep[RMNET_MAX_LOGICAL_EP];38 struct net_device *bridge_ep;39 struct net_device *rmnet_dev;40 41 /* Egress aggregation information */42 struct rmnet_egress_agg_params egress_agg_params;43 /* Protect aggregation related elements */44 spinlock_t agg_lock;45 struct sk_buff *skbagg_head;46 struct sk_buff *skbagg_tail;47 int agg_state;48 u8 agg_count;49 struct timespec64 agg_time;50 struct timespec64 agg_last;51 struct hrtimer hrtimer;52 struct work_struct agg_wq;53};54 55extern struct rtnl_link_ops rmnet_link_ops;56 57struct rmnet_vnd_stats {58 u64 rx_pkts;59 u64 rx_bytes;60 u64 tx_pkts;61 u64 tx_bytes;62 u32 tx_drops;63};64 65struct rmnet_pcpu_stats {66 struct rmnet_vnd_stats stats;67 struct u64_stats_sync syncp;68};69 70struct rmnet_priv_stats {71 u64 csum_ok;72 u64 csum_ip4_header_bad;73 u64 csum_valid_unset;74 u64 csum_validation_failed;75 u64 csum_err_bad_buffer;76 u64 csum_err_invalid_ip_version;77 u64 csum_err_invalid_transport;78 u64 csum_fragmented_pkt;79 u64 csum_skipped;80 u64 csum_sw;81 u64 csum_hw;82};83 84struct rmnet_priv {85 u8 mux_id;86 struct net_device *real_dev;87 struct rmnet_pcpu_stats __percpu *pcpu_stats;88 struct gro_cells gro_cells;89 struct rmnet_priv_stats stats;90};91 92struct rmnet_port *rmnet_get_port_rcu(struct net_device *real_dev);93struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id);94int rmnet_add_bridge(struct net_device *rmnet_dev,95 struct net_device *slave_dev,96 struct netlink_ext_ack *extack);97int rmnet_del_bridge(struct net_device *rmnet_dev,98 struct net_device *slave_dev);99struct rmnet_port*100rmnet_get_port_rtnl(const struct net_device *real_dev);101#endif /* _RMNET_CONFIG_H_ */102