drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (c) 2013-2014, 2016-2018 The Linux Foundation. All rights reserved.
   3  *
   4  * RMNET Data configuration engine
   5  */
   6
   7 #include <linux/skbuff.h>
   8 #include <net/gro_cells.h>
   9
  10 #ifndef _RMNET_CONFIG_H_
  11 #define _RMNET_CONFIG_H_
  12
  13 #define RMNET_MAX_LOGICAL_EP 255
  14
  15 struct rmnet_endpoint {
  16         u8 mux_id;
  17         struct net_device *egress_dev;
  18         struct hlist_node hlnode;
  19 };
  20
  21 /* One instance of this structure is instantiated for each real_dev associated
  22  * with rmnet.
  23  */
  24 struct rmnet_port {
  25         struct net_device *dev;
  26         u32 data_format;
  27         u8 nr_rmnet_devs;
  28         u8 rmnet_mode;
  29         struct hlist_head muxed_ep[RMNET_MAX_LOGICAL_EP];
  30         struct net_device *bridge_ep;
  31 };
  32
  33 extern struct rtnl_link_ops rmnet_link_ops;
  34
  35 struct rmnet_vnd_stats {
  36         u64 rx_pkts;
  37         u64 rx_bytes;
  38         u64 tx_pkts;
  39         u64 tx_bytes;
  40         u32 tx_drops;
  41 };
  42
  43 struct rmnet_pcpu_stats {
  44         struct rmnet_vnd_stats stats;
  45         struct u64_stats_sync syncp;
  46 };
  47
  48 struct rmnet_priv_stats {
  49         u64 csum_ok;
  50         u64 csum_valid_unset;
  51         u64 csum_validation_failed;
  52         u64 csum_err_bad_buffer;
  53         u64 csum_err_invalid_ip_version;
  54         u64 csum_err_invalid_transport;
  55         u64 csum_fragmented_pkt;
  56         u64 csum_skipped;
  57         u64 csum_sw;
  58 };
  59
  60 struct rmnet_priv {
  61         u8 mux_id;
  62         struct net_device *real_dev;
  63         struct rmnet_pcpu_stats __percpu *pcpu_stats;
  64         struct gro_cells gro_cells;
  65         struct rmnet_priv_stats stats;
  66 };
  67
  68 struct rmnet_port *rmnet_get_port(struct net_device *real_dev);
  69 struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id);
  70 int rmnet_add_bridge(struct net_device *rmnet_dev,
  71                      struct net_device *slave_dev,
  72                      struct netlink_ext_ack *extack);
  73 int rmnet_del_bridge(struct net_device *rmnet_dev,
  74                      struct net_device *slave_dev);
  75 #endif /* _RMNET_CONFIG_H_ */