| /** @file |
| @brief IPv4 related functions |
| |
| This is not to be included by the application. |
| */ |
| |
| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef __IPV4_H |
| #define __IPV4_H |
| |
| #include <zephyr/types.h> |
| |
| #include <net/net_ip.h> |
| #include <net/net_pkt.h> |
| #include <net/net_if.h> |
| #include <net/net_context.h> |
| |
| #include "ipv4.h" |
| |
| /** |
| * @brief Create IPv4 packet in provided net_pkt. |
| * |
| * @param pkt Network packet |
| * @param src Source IPv4 address |
| * @param dst Destination IPv4 address |
| * @param iface Network interface |
| * @param next_header Protocol type of the next header after IPv4 header. |
| * |
| * @return Return network packet that contains the IPv4 packet or NULL if |
| * network packet could not be allocated. |
| */ |
| struct net_pkt *net_ipv4_create(struct net_pkt *pkt, |
| const struct in_addr *src, |
| const struct in_addr *dst, |
| struct net_if *iface, |
| u8_t next_header_proto); |
| |
| /** |
| * @brief Finalize IPv4 packet. It should be called right before |
| * sending the packet and after all the data has been added into |
| * the packet. This function will set the length of the |
| * packet and calculate the higher protocol checksum if needed. |
| * |
| * @param pkt Network packet |
| * @param next_header_proto Protocol type of the next header after IPv4 header. |
| * |
| */ |
| void net_ipv4_finalize(struct net_pkt *pkt, u8_t next_header_proto); |
| |
| |
| /** |
| * @brief Create IPv4 packet in provided net_pkt. |
| * |
| * @param pkt Network packet |
| * @param src Source IPv4 address |
| * @param dst Destination IPv4 address |
| * |
| * @return 0 on success, negative errno otherwise. |
| */ |
| int net_ipv4_create_new(struct net_pkt *pkt, |
| const struct in_addr *src, |
| const struct in_addr *dst); |
| |
| /** |
| * @brief Finalize IPv4 packet. It should be called right before |
| * sending the packet and after all the data has been added into |
| * the packet. This function will set the length of the |
| * packet and calculate the higher protocol checksum if needed. |
| * |
| * @param pkt Network packet |
| * @param next_header_proto Protocol type of the next header after IPv4 header. |
| * |
| * @return 0 on success, negative errno otherwise. |
| */ |
| int net_ipv4_finalize_new(struct net_pkt *pkt, u8_t next_header_proto); |
| |
| #endif /* __IPV4_H */ |