| /* |
| ************************************************************************** |
| * Copyright (c) 2019, The Linux Foundation. All rights reserved. |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all copies. |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| ************************************************************************** |
| */ |
| |
| /* |
| * nss_ovpnmgr_sk_priv.h |
| */ |
| #ifndef __NSS_OVPNMGR_SOCKET__H |
| #define __NSS_OVPNMGR_SOCKET__H |
| |
| /* |
| * Compile messages for dynamic enable/disable |
| */ |
| #if defined(CONFIG_DYNAMIC_DEBUG) |
| #define nss_ovpn_sk_warn(s, ...) \ |
| pr_debug("%s[%d]:" s, __func__, __LINE__, ##__VA_ARGS__) |
| #define nss_ovpn_sk_info(s, ...) \ |
| pr_debug("%s[%d]:" s, __func__, __LINE__, ##__VA_ARGS__) |
| #define nss_ovpn_sk_trace(s, ...) \ |
| pr_debug("%s[%d]:" s, __func__, __LINE__, ##__VA_ARGS__) |
| #else /* CONFIG_DYNAMIC_DEBUG */ |
| /* |
| * Statically compile messages at different levels |
| */ |
| #if (NSS_OVPNMGR_DEBUG_LEVEL < 2) |
| #define nss_ovpn_sk_warn(s, ...) |
| #else |
| #define nss_ovpn_sk_warn(s, ...) \ |
| pr_warn("%s[%d]:" s, __func__, __LINE__, ##__VA_ARGS__) |
| #endif |
| |
| #if (NSS_OVPNMGR_DEBUG_LEVEL < 3) |
| #define nss_ovpn_sk_info(s, ...) |
| #else |
| #define nss_ovpn_sk_info(s, ...) \ |
| pr_notice("%s[%d]:" s, __func__, __LINE__, ##__VA_ARGS__) |
| #endif |
| #endif /* CONFIG_DYNAMIC_DEBUG */ |
| |
| /* |
| * nss_ovpn_sk_pinfo |
| */ |
| struct nss_ovpn_sk_pinfo { |
| struct sock sk; /* Sock instance (struct sock must be the first member). */ |
| pid_t pid; /* PID of application which has created socket. */ |
| int32_t tun_fd; /* TUN/TAP character device file descriptor. */ |
| int32_t udp_fd; /* UDP socket file descriptor. */ |
| struct socket *tun_sock;/* Socket instance. */ |
| struct net_device *dev; /* TUN/TAP netdevice. */ |
| }; |
| |
| int nss_ovpn_sk_init(void); |
| int nss_ovpn_sk_send(struct sk_buff *skb, void *app_data); |
| void nss_ovpn_sk_cleanup(void); |
| |
| #endif /* __NSS_OVPNMGR_SOCKET__H */ |
