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- /* SPDX-License-Identifier: GPL-2.0-only */
- /* Copyright (c) 2013-2014, 2016-2018, 2021 The Linux Foundation.
- * All rights reserved.
- *
- * RMNET Data configuration engine
- */
- #include <linux/skbuff.h>
- #include <linux/time.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;
- };
- struct rmnet_egress_agg_params {
- u32 bytes;
- u32 count;
- u64 time_nsec;
- };
- /* 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;
- struct net_device *rmnet_dev;
- /* Egress aggregation information */
- struct rmnet_egress_agg_params egress_agg_params;
- /* Protect aggregation related elements */
- spinlock_t agg_lock;
- struct sk_buff *skbagg_head;
- struct sk_buff *skbagg_tail;
- int agg_state;
- u8 agg_count;
- struct timespec64 agg_time;
- struct timespec64 agg_last;
- struct hrtimer hrtimer;
- struct work_struct agg_wq;
- };
- 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_ip4_header_bad;
- 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;
- u64 csum_hw;
- };
- 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_rcu(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);
- struct rmnet_port*
- rmnet_get_port_rtnl(const struct net_device *real_dev);
- #endif /* _RMNET_CONFIG_H_ */
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