197fb5e8dSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 2*b6e5d27eSSharath Chandra Vurukala /* Copyright (c) 2013-2014, 2016-2018, 2021 The Linux Foundation. 3*b6e5d27eSSharath Chandra Vurukala * All rights reserved. 4ceed73a2SSubash Abhinov Kasiviswanathan * 5ceed73a2SSubash Abhinov Kasiviswanathan * RMNET Data configuration engine 6ceed73a2SSubash Abhinov Kasiviswanathan */ 7ceed73a2SSubash Abhinov Kasiviswanathan 8ceed73a2SSubash Abhinov Kasiviswanathan #include <linux/skbuff.h> 9ca32fb03SSubash Abhinov Kasiviswanathan #include <net/gro_cells.h> 10ceed73a2SSubash Abhinov Kasiviswanathan 11ceed73a2SSubash Abhinov Kasiviswanathan #ifndef _RMNET_CONFIG_H_ 12ceed73a2SSubash Abhinov Kasiviswanathan #define _RMNET_CONFIG_H_ 13ceed73a2SSubash Abhinov Kasiviswanathan 14ceed73a2SSubash Abhinov Kasiviswanathan #define RMNET_MAX_LOGICAL_EP 255 15ceed73a2SSubash Abhinov Kasiviswanathan 16ceed73a2SSubash Abhinov Kasiviswanathan struct rmnet_endpoint { 17ceed73a2SSubash Abhinov Kasiviswanathan u8 mux_id; 18ceed73a2SSubash Abhinov Kasiviswanathan struct net_device *egress_dev; 193352e6c4SSubash Abhinov Kasiviswanathan struct hlist_node hlnode; 20ceed73a2SSubash Abhinov Kasiviswanathan }; 21ceed73a2SSubash Abhinov Kasiviswanathan 22ceed73a2SSubash Abhinov Kasiviswanathan /* One instance of this structure is instantiated for each real_dev associated 23ceed73a2SSubash Abhinov Kasiviswanathan * with rmnet. 24ceed73a2SSubash Abhinov Kasiviswanathan */ 25b665f4f8SSubash Abhinov Kasiviswanathan struct rmnet_port { 26ceed73a2SSubash Abhinov Kasiviswanathan struct net_device *dev; 27b23e722eSSubash Abhinov Kasiviswanathan u32 data_format; 28ceed73a2SSubash Abhinov Kasiviswanathan u8 nr_rmnet_devs; 2991489632SSubash Abhinov Kasiviswanathan u8 rmnet_mode; 303352e6c4SSubash Abhinov Kasiviswanathan struct hlist_head muxed_ep[RMNET_MAX_LOGICAL_EP]; 3160d58f97SSubash Abhinov Kasiviswanathan struct net_device *bridge_ep; 32d939b6d3STaehee Yoo struct net_device *rmnet_dev; 33ceed73a2SSubash Abhinov Kasiviswanathan }; 34ceed73a2SSubash Abhinov Kasiviswanathan 35ceed73a2SSubash Abhinov Kasiviswanathan extern struct rtnl_link_ops rmnet_link_ops; 36ceed73a2SSubash Abhinov Kasiviswanathan 37192c4b5dSSubash Abhinov Kasiviswanathan struct rmnet_vnd_stats { 38192c4b5dSSubash Abhinov Kasiviswanathan u64 rx_pkts; 39192c4b5dSSubash Abhinov Kasiviswanathan u64 rx_bytes; 40192c4b5dSSubash Abhinov Kasiviswanathan u64 tx_pkts; 41192c4b5dSSubash Abhinov Kasiviswanathan u64 tx_bytes; 42192c4b5dSSubash Abhinov Kasiviswanathan u32 tx_drops; 43192c4b5dSSubash Abhinov Kasiviswanathan }; 44192c4b5dSSubash Abhinov Kasiviswanathan 45192c4b5dSSubash Abhinov Kasiviswanathan struct rmnet_pcpu_stats { 46192c4b5dSSubash Abhinov Kasiviswanathan struct rmnet_vnd_stats stats; 47192c4b5dSSubash Abhinov Kasiviswanathan struct u64_stats_sync syncp; 48192c4b5dSSubash Abhinov Kasiviswanathan }; 49192c4b5dSSubash Abhinov Kasiviswanathan 50bbde32d3SSubash Abhinov Kasiviswanathan struct rmnet_priv_stats { 51bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_ok; 52bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_valid_unset; 53bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_validation_failed; 54bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_err_bad_buffer; 55bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_err_invalid_ip_version; 56bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_err_invalid_transport; 57bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_fragmented_pkt; 58bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_skipped; 59bbde32d3SSubash Abhinov Kasiviswanathan u64 csum_sw; 60*b6e5d27eSSharath Chandra Vurukala u64 csum_hw; 61bbde32d3SSubash Abhinov Kasiviswanathan }; 62bbde32d3SSubash Abhinov Kasiviswanathan 63ceed73a2SSubash Abhinov Kasiviswanathan struct rmnet_priv { 64ceed73a2SSubash Abhinov Kasiviswanathan u8 mux_id; 65b752eff5SSubash Abhinov Kasiviswanathan struct net_device *real_dev; 66192c4b5dSSubash Abhinov Kasiviswanathan struct rmnet_pcpu_stats __percpu *pcpu_stats; 67ca32fb03SSubash Abhinov Kasiviswanathan struct gro_cells gro_cells; 68bbde32d3SSubash Abhinov Kasiviswanathan struct rmnet_priv_stats stats; 69ceed73a2SSubash Abhinov Kasiviswanathan }; 70ceed73a2SSubash Abhinov Kasiviswanathan 71102210f7STaehee Yoo struct rmnet_port *rmnet_get_port_rcu(struct net_device *real_dev); 723352e6c4SSubash Abhinov Kasiviswanathan struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id); 7360d58f97SSubash Abhinov Kasiviswanathan int rmnet_add_bridge(struct net_device *rmnet_dev, 7460d58f97SSubash Abhinov Kasiviswanathan struct net_device *slave_dev, 7560d58f97SSubash Abhinov Kasiviswanathan struct netlink_ext_ack *extack); 7660d58f97SSubash Abhinov Kasiviswanathan int rmnet_del_bridge(struct net_device *rmnet_dev, 7760d58f97SSubash Abhinov Kasiviswanathan struct net_device *slave_dev); 78b7f5eb6bSSubash Abhinov Kasiviswanathan struct rmnet_port* 79b7f5eb6bSSubash Abhinov Kasiviswanathan rmnet_get_port_rtnl(const struct net_device *real_dev); 80ceed73a2SSubash Abhinov Kasiviswanathan #endif /* _RMNET_CONFIG_H_ */ 81