102 lines
2.3 KiB
C
102 lines
2.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2013-2014, 2016-2018, 2021 The Linux Foundation.
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* All rights reserved.
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*
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* RMNET Data configuration engine
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*/
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#include <linux/skbuff.h>
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#include <linux/time.h>
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#include <net/gro_cells.h>
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#ifndef _RMNET_CONFIG_H_
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#define _RMNET_CONFIG_H_
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#define RMNET_MAX_LOGICAL_EP 255
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struct rmnet_endpoint {
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u8 mux_id;
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struct net_device *egress_dev;
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struct hlist_node hlnode;
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};
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struct rmnet_egress_agg_params {
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u32 bytes;
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u32 count;
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u64 time_nsec;
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};
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/* One instance of this structure is instantiated for each real_dev associated
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* with rmnet.
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*/
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struct rmnet_port {
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struct net_device *dev;
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u32 data_format;
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u8 nr_rmnet_devs;
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u8 rmnet_mode;
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struct hlist_head muxed_ep[RMNET_MAX_LOGICAL_EP];
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struct net_device *bridge_ep;
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struct net_device *rmnet_dev;
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/* Egress aggregation information */
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struct rmnet_egress_agg_params egress_agg_params;
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/* Protect aggregation related elements */
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spinlock_t agg_lock;
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struct sk_buff *skbagg_head;
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struct sk_buff *skbagg_tail;
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int agg_state;
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u8 agg_count;
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struct timespec64 agg_time;
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struct timespec64 agg_last;
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struct hrtimer hrtimer;
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struct work_struct agg_wq;
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};
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extern struct rtnl_link_ops rmnet_link_ops;
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struct rmnet_vnd_stats {
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u64 rx_pkts;
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u64 rx_bytes;
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u64 tx_pkts;
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u64 tx_bytes;
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u32 tx_drops;
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};
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struct rmnet_pcpu_stats {
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struct rmnet_vnd_stats stats;
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struct u64_stats_sync syncp;
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};
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struct rmnet_priv_stats {
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u64 csum_ok;
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u64 csum_ip4_header_bad;
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u64 csum_valid_unset;
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u64 csum_validation_failed;
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u64 csum_err_bad_buffer;
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u64 csum_err_invalid_ip_version;
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u64 csum_err_invalid_transport;
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u64 csum_fragmented_pkt;
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u64 csum_skipped;
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u64 csum_sw;
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u64 csum_hw;
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};
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struct rmnet_priv {
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u8 mux_id;
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struct net_device *real_dev;
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struct rmnet_pcpu_stats __percpu *pcpu_stats;
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struct gro_cells gro_cells;
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struct rmnet_priv_stats stats;
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};
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struct rmnet_port *rmnet_get_port_rcu(struct net_device *real_dev);
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struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id);
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int rmnet_add_bridge(struct net_device *rmnet_dev,
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struct net_device *slave_dev,
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struct netlink_ext_ack *extack);
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int rmnet_del_bridge(struct net_device *rmnet_dev,
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struct net_device *slave_dev);
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struct rmnet_port*
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rmnet_get_port_rtnl(const struct net_device *real_dev);
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#endif /* _RMNET_CONFIG_H_ */
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