| /* |
| ************************************************************************** |
| * Copyright (c) 2014-2016, 2020-2021 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. |
| ************************************************************************** |
| */ |
| |
| /* |
| * Locking of the classifier - concurrency control for file global parameters. |
| * NOTE: It is safe to take this lock WHILE HOLDING a feci->lock. The reverse is NOT SAFE. |
| */ |
| extern spinlock_t ecm_ipv4_lock; /* Protect against SMP access between netfilter, events and private threaded function. */ |
| |
| /* |
| * Management thread control |
| */ |
| extern bool ecm_ipv4_terminate_pending; /* True when the user has signalled we should quit */ |
| |
| extern unsigned int ecm_ipv4_ip_process(struct net_device *out_dev, struct net_device *in_dev, |
| uint8_t *src_node_addr, uint8_t *dest_node_addr, |
| bool can_accel, bool is_routed, bool is_l2_encap, struct sk_buff *skb, uint16_t l2_encap_proto); |
| extern void ecm_ipv4_connection_regenerate(struct ecm_db_connection_instance *ci, ecm_tracker_sender_type_t sender, |
| struct net_device *out_dev, struct net_device *out_dev_nat, |
| struct net_device *in_dev, struct net_device *in_dev_nat, |
| __be16 *layer4hdr, struct sk_buff *skb); |
| extern struct ecm_db_node_instance *ecm_ipv4_node_establish_and_ref(struct ecm_front_end_connection_instance *feci, |
| struct net_device *dev, ip_addr_t addr, |
| struct ecm_db_iface_instance *interface_list[], int32_t interface_list_first, |
| uint8_t *given_node_addr, struct sk_buff *skb); |
| extern struct ecm_db_host_instance *ecm_ipv4_host_establish_and_ref(ip_addr_t addr); |
| extern struct ecm_db_mapping_instance *ecm_ipv4_mapping_establish_and_ref(ip_addr_t addr, int port); |
| extern int ecm_ipv4_init(struct dentry *dentry); |
| extern void ecm_ipv4_exit(void); |
