| /* Copyright (c) 2019-2020 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * RMNET Data Smart Hash stamping solution |
| * |
| */ |
| |
| #ifndef _RMNET_SHS_WQ_MEM_H_ |
| #define _RMNET_SHS_WQ_MEM_H_ |
| |
| #include "rmnet_shs.h" |
| |
| /* Shared memory files */ |
| #define RMNET_SHS_PROC_DIR "shs" |
| #define RMNET_SHS_PROC_CAPS "rmnet_shs_caps" |
| #define RMNET_SHS_PROC_G_FLOWS "rmnet_shs_flows" |
| #define RMNET_SHS_PROC_SS_FLOWS "rmnet_shs_ss_flows" |
| #define RMNET_SHS_PROC_NETDEV "rmnet_shs_netdev" |
| |
| #define RMNET_SHS_MAX_USRFLOWS (128) |
| #define RMNET_SHS_MAX_NETDEVS (40) |
| #define RMNET_SHS_IFNAMSIZ (16) |
| #define RMNET_SHS_READ_VAL (0) |
| |
| /* NOTE: Make sure these structs fit in one page */ |
| /* 26 bytes * 8 max cpus = 208 bytes < 4096 */ |
| struct __attribute__((__packed__)) rmnet_shs_wq_cpu_cap_usr_s { |
| u64 pps_capacity; |
| u64 avg_pps_capacity; |
| u64 bps; |
| u16 cpu_num; |
| }; |
| |
| /* 30 bytes * 128 max = 3840 bytes < 4096 */ |
| struct __attribute__((__packed__)) rmnet_shs_wq_gflows_usr_s { |
| u64 rx_pps; |
| u64 avg_pps; |
| u64 rx_bps; |
| u32 hash; |
| u16 cpu_num; |
| }; |
| |
| /* 30 bytes * 128 max = 3840 bytes < 4096 */ |
| struct __attribute__((__packed__)) rmnet_shs_wq_ssflows_usr_s { |
| u64 rx_pps; |
| u64 avg_pps; |
| u64 rx_bps; |
| u32 hash; |
| u16 cpu_num; |
| }; |
| |
| /* 16 + 8*9 + 8 = 89 bytes, 89*40 netdev = 3560 bytes < 4096 */ |
| struct __attribute__((__packed__)) rmnet_shs_wq_netdev_usr_s { |
| char name[RMNET_SHS_IFNAMSIZ]; |
| u64 coal_ip_miss; |
| u64 hw_evict; |
| u64 coal_rx_pkts; |
| u64 coal_tcp; |
| u64 coal_tcp_bytes; |
| u64 coal_udp; |
| u64 coal_udp_bytes; |
| u64 udp_rx_bps; |
| u64 tcp_rx_bps; |
| u8 mux_id; |
| }; |
| |
| extern struct list_head gflows; |
| extern struct list_head ssflows; |
| extern struct list_head cpu_caps; |
| |
| /* Buffer size for read and write syscalls */ |
| enum {RMNET_SHS_BUFFER_SIZE = 4096}; |
| |
| struct rmnet_shs_mmap_info { |
| char *data; |
| refcount_t refcnt; |
| }; |
| |
| /* Function Definitions */ |
| |
| void rmnet_shs_wq_ssflow_list_add(struct rmnet_shs_wq_hstat_s *hnode, |
| struct list_head *ss_flows); |
| void rmnet_shs_wq_gflow_list_add(struct rmnet_shs_wq_hstat_s *hnode, |
| struct list_head *gold_flows); |
| |
| void rmnet_shs_wq_cleanup_gold_flow_list(struct list_head *gold_flows); |
| void rmnet_shs_wq_cleanup_ss_flow_list(struct list_head *ss_flows); |
| |
| void rmnet_shs_wq_cpu_caps_list_add( |
| struct rmnet_shs_wq_rx_flow_s *rx_flow_tbl_p, |
| struct rmnet_shs_wq_cpu_rx_pkt_q_s *cpu_node, |
| struct list_head *cpu_caps); |
| |
| void rmnet_shs_wq_cleanup_cpu_caps_list(struct list_head *cpu_caps); |
| |
| void rmnet_shs_wq_mem_update_cached_cpu_caps(struct list_head *cpu_caps); |
| |
| void rmnet_shs_wq_mem_update_cached_sorted_gold_flows(struct list_head *gold_flows); |
| void rmnet_shs_wq_mem_update_cached_sorted_ss_flows(struct list_head *ss_flows); |
| void rmnet_shs_wq_mem_update_cached_netdevs(void); |
| |
| int rmnet_shs_wq_mem_init(void); |
| |
| void rmnet_shs_wq_mem_deinit(void); |
| |
| #endif /*_RMNET_SHS_WQ_GENL_H_*/ |