175 lines
3.7 KiB
C
Executable File
175 lines
3.7 KiB
C
Executable File
/* Copyright (c) 2013-2017, 2019 The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* RMNET Data configuration engine
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*
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*/
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#include <linux/skbuff.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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#define RMNET_MAX_VEID 4
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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_port_priv_stats {
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u64 dl_hdr_last_qmap_vers;
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u64 dl_hdr_last_ep_id;
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u64 dl_hdr_last_trans_id;
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u64 dl_hdr_last_seq;
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u64 dl_hdr_last_bytes;
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u64 dl_hdr_last_pkts;
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u64 dl_hdr_last_flows;
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u64 dl_hdr_count;
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u64 dl_hdr_total_bytes;
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u64 dl_hdr_total_pkts;
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u64 dl_trl_last_seq;
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u64 dl_trl_count;
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};
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struct rmnet_egress_agg_params {
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u16 agg_size;
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u16 agg_count;
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u32 agg_time;
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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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void *rmnet_perf;
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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 *agg_skb;
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int agg_state;
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u8 agg_count;
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struct timespec agg_time;
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struct timespec agg_last;
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struct hrtimer hrtimer;
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struct work_struct agg_wq;
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/* dl marker elements */
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struct list_head dl_list;
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struct rmnet_port_priv_stats stats;
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int dl_marker_flush;
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/* Descriptor pool */
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spinlock_t desc_pool_lock;
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struct rmnet_frag_descriptor_pool *frag_desc_pool;
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struct sk_buff *chain_head;
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struct sk_buff *chain_tail;
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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_coal_close_stats {
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u64 non_coal;
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u64 ip_miss;
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u64 trans_miss;
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u64 hw_nl;
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u64 hw_pkt;
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u64 hw_byte;
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u64 hw_time;
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u64 hw_evict;
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u64 coal;
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};
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struct rmnet_coal_stats {
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u64 coal_rx;
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u64 coal_pkts;
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u64 coal_hdr_nlo_err;
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u64 coal_hdr_pkt_err;
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u64 coal_csum_err;
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u64 coal_reconstruct;
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u64 coal_ip_invalid;
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u64 coal_trans_invalid;
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struct rmnet_coal_close_stats close;
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u64 coal_veid[RMNET_MAX_VEID];
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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_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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struct rmnet_coal_stats coal;
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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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enum rmnet_dl_marker_prio {
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RMNET_PERF,
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RMNET_SHS,
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};
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enum rmnet_trace_func {
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RMNET_MODULE,
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NW_STACK_MODULE,
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};
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enum rmnet_trace_evt {
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RMNET_DLVR_SKB,
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RMNET_RCV_FROM_PND,
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RMNET_TX_UL_PKT,
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NW_STACK_DEV_Q_XMIT,
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NW_STACK_NAPI_GRO_FLUSH,
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NW_STACK_RX,
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NW_STACK_TX,
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};
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static int rmnet_is_real_dev_registered(const struct net_device *real_dev);
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static struct rmnet_port *rmnet_get_port(struct net_device *real_dev);
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static struct rmnet_endpoint *rmnet_get_endpoint(struct rmnet_port *port, u8 mux_id);
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#endif /* _RMNET_CONFIG_H_ */
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