IPsec processing of inbound IP traffic. More...
#include "ipsec/ipsec.h"#include "ipsec/ipsec_inbound.h"#include "ipsec/ipsec_misc.h"#include "debug.h"Go to the source code of this file.
Functions | |
| error_t | ipsecProcessInboundIpv4Packet (NetInterface *interface, const Ipv4Header *ipv4Header, const NetBuffer *buffer, size_t offset) |
| Inbound IPv4 traffic processing. More... | |
| error_t | ipsecGetInboundIpv4PacketSelector (const Ipv4Header *ipv4Header, uint8_t nextHeader, const NetBuffer *buffer, size_t offset, IpsecSelector *selector) |
| Extract packet's selector from inbound IPv4 packet. More... | |
| uint64_t | ipsecGetSeqNum (IpsecSadEntry *sa, uint32_t seql) |
| Determine the higher-order bits of the sequence number. More... | |
Detailed Description
IPsec processing of inbound IP traffic.
License
SPDX-License-Identifier: GPL-2.0-or-later
Copyright (C) 2022-2024 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneIPSEC Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
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.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Version
- 2.4.0
Definition in file ipsec_inbound.c.
Function Documentation
◆ ipsecGetInboundIpv4PacketSelector()
| error_t ipsecGetInboundIpv4PacketSelector | ( | const Ipv4Header * | ipv4Header, |
| uint8_t | nextHeader, | ||
| const NetBuffer * | buffer, | ||
| size_t | offset, | ||
| IpsecSelector * | selector | ||
| ) |
Extract packet's selector from inbound IPv4 packet.
- Parameters
-
[in] ipv4Header Pointer to the IPv4 header [in] nextHeader Value of the next header field [in] buffer Multi-part buffer containing the IP payload [in] offset Offset from the beginning of the buffer [out] selector Pointer to the IPsec selector
- Returns
- Error code
Definition at line 119 of file ipsec_inbound.c.
◆ ipsecGetSeqNum()
| uint64_t ipsecGetSeqNum | ( | IpsecSadEntry * | sa, |
| uint32_t | seql | ||
| ) |
Determine the higher-order bits of the sequence number.
- Parameters
-
[in] sa Pointer to the security association [in] seql Lower 32 bits of the sequence number extracted from the received packet
- Returns
- 64-bit sequence number
Definition at line 220 of file ipsec_inbound.c.
◆ ipsecProcessInboundIpv4Packet()
| error_t ipsecProcessInboundIpv4Packet | ( | NetInterface * | interface, |
| const Ipv4Header * | ipv4Header, | ||
| const NetBuffer * | buffer, | ||
| size_t | offset | ||
| ) |
Inbound IPv4 traffic processing.
- Parameters
-
[in] interface Underlying network interface [in] ipv4Header Pointer to the IPv4 header [in] buffer Multi-part buffer containing the IP payload [in] offset Offset from the beginning of the buffer
- Returns
- Error code
Definition at line 50 of file ipsec_inbound.c.