Skylar Chang | 9fbce06 | 2017-07-25 16:20:42 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef _IPA_ODO_BRIDGE_H_ |
| 14 | #define _IPA_ODO_BRIDGE_H_ |
| 15 | |
| 16 | #include <linux/ipa.h> |
| 17 | |
| 18 | /** |
| 19 | * struct odu_bridge_params - parameters for odu bridge initialization API |
| 20 | * |
| 21 | * @netdev_name: network interface name |
| 22 | * @priv: private data that will be supplied to client's callback |
| 23 | * @tx_dp_notify: callback for handling SKB. the following event are supported: |
| 24 | * IPA_WRITE_DONE: will be called after client called to odu_bridge_tx_dp() |
| 25 | * Client is expected to free the skb. |
| 26 | * IPA_RECEIVE: will be called for delivering skb to APPS. |
| 27 | * Client is expected to deliver the skb to network stack. |
| 28 | * @send_dl_skb: callback for sending skb on downlink direction to adapter. |
| 29 | * Client is expected to free the skb. |
| 30 | * @device_ethaddr: device Ethernet address in network order. |
| 31 | * @ipa_desc_size: IPA Sys Pipe Desc Size |
| 32 | */ |
| 33 | struct odu_bridge_params { |
| 34 | const char *netdev_name; |
| 35 | void *priv; |
| 36 | ipa_notify_cb tx_dp_notify; |
| 37 | int (*send_dl_skb)(void *priv, struct sk_buff *skb); |
| 38 | u8 device_ethaddr[ETH_ALEN]; |
| 39 | u32 ipa_desc_size; |
| 40 | }; |
| 41 | |
Skylar Chang | 9fbce06 | 2017-07-25 16:20:42 -0700 | [diff] [blame] | 42 | /** |
| 43 | * struct ipa_bridge_init_params - parameters for IPA bridge initialization API |
| 44 | * |
| 45 | * @info: structure contains initialization information |
| 46 | * @wakeup_request: callback to client to indicate there is downlink data |
| 47 | * available. Client is expected to call ipa_bridge_resume() to start |
| 48 | * receiving data |
| 49 | */ |
| 50 | struct ipa_bridge_init_params { |
| 51 | struct odu_bridge_params info; |
| 52 | void (*wakeup_request)(void *); |
| 53 | }; |
| 54 | |
| 55 | #ifdef CONFIG_IPA3 |
| 56 | |
| 57 | int ipa_bridge_init(struct ipa_bridge_init_params *params, u32 *hdl); |
| 58 | |
| 59 | int ipa_bridge_connect(u32 hdl); |
| 60 | |
| 61 | int ipa_bridge_set_perf_profile(u32 hdl, u32 bandwidth); |
| 62 | |
| 63 | int ipa_bridge_disconnect(u32 hdl); |
| 64 | |
| 65 | int ipa_bridge_suspend(u32 hdl); |
| 66 | |
| 67 | int ipa_bridge_resume(u32 hdl); |
| 68 | |
| 69 | int ipa_bridge_tx_dp(u32 hdl, struct sk_buff *skb, |
| 70 | struct ipa_tx_meta *metadata); |
| 71 | |
| 72 | int ipa_bridge_cleanup(u32 hdl); |
| 73 | |
| 74 | #else |
| 75 | |
| 76 | static inline int ipa_bridge_init(struct odu_bridge_params *params, u32 *hdl) |
| 77 | { |
| 78 | return -EPERM; |
| 79 | } |
| 80 | |
| 81 | static inline int ipa_bridge_connect(u32 hdl) |
| 82 | { |
| 83 | return -EPERM; |
| 84 | } |
| 85 | |
| 86 | static inline int ipa_bridge_set_perf_profile(u32 hdl, u32 bandwidth) |
| 87 | { |
| 88 | return -EPERM; |
| 89 | } |
| 90 | |
| 91 | static inline int ipa_bridge_disconnect(u32 hdl) |
| 92 | { |
| 93 | return -EPERM; |
| 94 | } |
| 95 | |
| 96 | static inline int ipa_bridge_suspend(u32 hdl) |
| 97 | { |
| 98 | return -EPERM; |
| 99 | } |
| 100 | |
| 101 | static inline int ipa_bridge_resume(u32 hdl) |
| 102 | { |
| 103 | return -EPERM; |
| 104 | } |
| 105 | |
| 106 | static inline int ipa_bridge_tx_dp(u32 hdl, struct sk_buff *skb, |
| 107 | struct ipa_tx_meta *metadata) |
| 108 | { |
| 109 | return -EPERM; |
| 110 | } |
| 111 | |
| 112 | static inline int ipa_bridge_cleanup(u32 hdl) |
| 113 | { |
| 114 | return -EPERM; |
| 115 | } |
| 116 | |
| 117 | #endif /* CONFIG_IPA3 */ |
| 118 | |
| 119 | /* Below API is deprecated. Please use the API above */ |
| 120 | # if defined CONFIG_IPA || defined CONFIG_IPA3 |
Amir Levy | 9659e59 | 2016-10-27 18:08:27 +0300 | [diff] [blame] | 121 | |
| 122 | int odu_bridge_init(struct odu_bridge_params *params); |
| 123 | |
| 124 | int odu_bridge_connect(void); |
| 125 | |
| 126 | int odu_bridge_disconnect(void); |
| 127 | |
| 128 | int odu_bridge_tx_dp(struct sk_buff *skb, struct ipa_tx_meta *metadata); |
| 129 | |
| 130 | int odu_bridge_cleanup(void); |
| 131 | |
| 132 | #else |
| 133 | |
| 134 | static inline int odu_bridge_init(struct odu_bridge_params *params) |
| 135 | { |
| 136 | return -EPERM; |
| 137 | } |
| 138 | |
| 139 | static inline int odu_bridge_disconnect(void) |
| 140 | { |
| 141 | return -EPERM; |
| 142 | } |
| 143 | |
| 144 | static inline int odu_bridge_connect(void) |
| 145 | { |
| 146 | return -EPERM; |
| 147 | } |
| 148 | |
| 149 | static inline int odu_bridge_tx_dp(struct sk_buff *skb, |
| 150 | struct ipa_tx_meta *metadata) |
| 151 | { |
| 152 | return -EPERM; |
| 153 | } |
| 154 | |
| 155 | static inline int odu_bridge_cleanup(void) |
| 156 | { |
| 157 | return -EPERM; |
| 158 | } |
| 159 | |
| 160 | #endif /* CONFIG_IPA || defined CONFIG_IPA3 */ |
| 161 | |
| 162 | #endif /* _IPA_ODO_BRIDGE_H */ |