Prakash Dhavali | 7090c5f | 2015-11-02 17:55:19 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2012-2015 The Linux Foundation. All rights reserved. |
| 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
| 20 | */ |
| 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
| 28 | #ifndef _PKTLOG_AC_H_ |
| 29 | #define _PKTLOG_AC_H_ |
| 30 | #ifndef REMOVE_PKT_LOG |
| 31 | |
| 32 | #include "ol_if_athvar.h" |
| 33 | #include <pktlog_ac_api.h> |
| 34 | #include <pktlog_ac_fmt.h> |
| 35 | #include "osdep.h" |
| 36 | #include <wmi_unified.h> |
| 37 | #include <wmi_unified_api.h> |
| 38 | #include <wdi_event_api.h> |
| 39 | #include "hif.h" |
| 40 | |
| 41 | #define NO_REG_FUNCS 4 |
| 42 | |
| 43 | /* Locking interface for pktlog */ |
| 44 | #define PKTLOG_LOCK_INIT(_pl_info) spin_lock_init(&(_pl_info)->log_lock) |
| 45 | #define PKTLOG_LOCK_DESTROY(_pl_info) |
| 46 | #define PKTLOG_LOCK(_pl_info) spin_lock(&(_pl_info)->log_lock) |
| 47 | #define PKTLOG_UNLOCK(_pl_info) spin_unlock(&(_pl_info)->log_lock) |
| 48 | |
| 49 | #define PKTLOG_MODE_SYSTEM 1 |
| 50 | #define PKTLOG_MODE_ADAPTER 2 |
| 51 | |
| 52 | /* |
| 53 | * The proc entry starts with magic number and version field which will be |
| 54 | * used by post processing scripts. These fields are not needed by applications |
| 55 | * that do not use these scripts. This is skipped using the offset value. |
| 56 | */ |
| 57 | #define PKTLOG_READ_OFFSET 8 |
| 58 | |
| 59 | /* Opaque softc */ |
| 60 | struct ol_ath_generic_softc_t; |
| 61 | typedef struct ol_ath_generic_softc_t *ol_ath_generic_softc_handle; |
| 62 | extern void pktlog_disable_adapter_logging(struct ol_softc *scn); |
| 63 | extern int pktlog_alloc_buf(struct ol_softc *scn); |
| 64 | extern void pktlog_release_buf(struct ol_softc *scn); |
| 65 | |
| 66 | ssize_t pktlog_read_proc_entry(char *buf, size_t nbytes, loff_t *ppos, |
| 67 | struct ath_pktlog_info *pl_info, bool *read_complete); |
| 68 | int pktlog_send_per_pkt_stats_to_user(void); |
| 69 | |
| 70 | struct ol_pl_arch_dep_funcs { |
| 71 | void (*pktlog_init)(struct ol_softc *scn); |
| 72 | int (*pktlog_enable)(struct ol_softc *scn, int32_t log_state); |
| 73 | int (*pktlog_setsize)(struct ol_softc *scn, int32_t log_state); |
| 74 | int (*pktlog_disable)(struct ol_softc *scn); |
| 75 | }; |
| 76 | |
| 77 | struct ol_pl_os_dep_funcs { |
| 78 | int (*pktlog_attach)(struct ol_softc *scn); |
| 79 | void (*pktlog_detach)(struct ol_softc *scn); |
| 80 | }; |
| 81 | |
| 82 | struct ath_pktlog_wmi_params { |
| 83 | WMI_PKTLOG_EVENT pktlog_event; |
| 84 | WMI_CMD_ID cmd_id; |
| 85 | }; |
| 86 | |
| 87 | extern struct ol_pl_arch_dep_funcs ol_pl_funcs; |
| 88 | extern struct ol_pl_os_dep_funcs *g_ol_pl_os_dep_funcs; |
| 89 | |
| 90 | /* Pktlog handler to save the state of the pktlogs */ |
| 91 | struct ol_pktlog_dev_t { |
| 92 | struct ol_pl_arch_dep_funcs *pl_funcs; |
| 93 | struct ath_pktlog_info *pl_info; |
| 94 | ol_ath_generic_softc_handle scn; |
| 95 | char *name; |
| 96 | bool tgt_pktlog_enabled; |
| 97 | osdev_t sc_osdev; |
| 98 | }; |
| 99 | |
| 100 | #define PKTLOG_SYSCTL_SIZE 14 |
| 101 | |
| 102 | /* |
| 103 | * Linux specific pktlog state information |
| 104 | */ |
| 105 | struct ath_pktlog_info_lnx { |
| 106 | struct ath_pktlog_info info; |
| 107 | struct ctl_table sysctls[PKTLOG_SYSCTL_SIZE]; |
| 108 | struct proc_dir_entry *proc_entry; |
| 109 | struct ctl_table_header *sysctl_header; |
| 110 | }; |
| 111 | |
| 112 | #define PL_INFO_LNX(_pl_info) ((struct ath_pktlog_info_lnx *)(_pl_info)) |
| 113 | |
| 114 | extern struct ol_pktlog_dev_t ol_pl_dev; |
| 115 | |
| 116 | /* |
| 117 | * WDI related data and functions |
| 118 | * Callback function to the WDI events |
| 119 | */ |
| 120 | void pktlog_callback(void *pdev, enum WDI_EVENT event, void *log_data); |
| 121 | |
| 122 | void pktlog_init(struct ol_softc *scn); |
| 123 | int pktlog_enable(struct ol_softc *scn, int32_t log_state); |
| 124 | int pktlog_setsize(struct ol_softc *scn, int32_t log_state); |
| 125 | int pktlog_disable(struct ol_softc *scn); |
| 126 | int pktlogmod_init(void *context); |
| 127 | void pktlogmod_exit(void *context); |
| 128 | |
| 129 | #define ol_pktlog_attach(_scn) \ |
| 130 | do { \ |
| 131 | if (g_ol_pl_os_dep_funcs) { \ |
| 132 | g_ol_pl_os_dep_funcs->pktlog_attach(_scn); \ |
| 133 | } \ |
| 134 | } while (0) |
| 135 | |
| 136 | #define ol_pktlog_detach(_scn) \ |
| 137 | do { \ |
| 138 | if (g_ol_pl_os_dep_funcs) { \ |
| 139 | g_ol_pl_os_dep_funcs->pktlog_detach(_scn); \ |
| 140 | } \ |
| 141 | } while (0) |
| 142 | |
| 143 | #else /* REMOVE_PKT_LOG */ |
| 144 | #define ol_pktlog_attach(_scn) ({ (void)_scn; }) |
| 145 | #define ol_pktlog_detach(_scn) ({ (void)_scn; }) |
| 146 | static inline void pktlog_init(struct ol_softc *scn) |
| 147 | { |
| 148 | return; |
| 149 | } |
| 150 | static int pktlog_enable(struct ol_softc *scn, int32_t log_state) |
| 151 | { |
| 152 | return 0; |
| 153 | } |
| 154 | static int pktlog_setsize(struct ol_softc *scn, int32_t log_state) |
| 155 | { |
| 156 | return 0; |
| 157 | } |
| 158 | static int pktlog_disable(struct ol_softc *scn) |
| 159 | { |
| 160 | return 0; |
| 161 | } |
| 162 | #endif /* REMOVE_PKT_LOG */ |
| 163 | #endif /* _PKTLOG_AC_H_ */ |