4  * SPDX-License-Identifier: Apache-2.0
280 	/** Mutex locking on TX data path disabled on the interface. */
284 	/* Total number of flags - must be at the end of the enum */
348 	 * "DESYNC_FACTOR is a random value within the range 0 - MAX_DESYNC_FACTOR.
469 	/** IPv4 time-to-live */
472 	/** IPv4 time-to-live for multicast packets */
614 	/** Fifo for handling this Tx or Rx packet */
663 	/** TCP/IP Offload functions.
664 	 * If non-NULL, then the TCP/IP stack is located
668 	struct net_offload *offload;  member
676 	 *  If non-NULL, the interface is considered offloaded at socket level.
743 	(void)k_mutex_lock(&iface->lock, K_FOREVER);  in net_if_lock()
750 	k_mutex_unlock(&iface->lock);  in net_if_unlock()
764 	(void)k_mutex_lock(&iface->tx_lock, K_FOREVER);  in net_if_tx_lock()
775 	k_mutex_unlock(&iface->tx_lock);  in net_if_tx_unlock()
789 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_flag_set()
793 	atomic_set_bit(iface->if_dev->flags, value);  in net_if_flag_set()
807 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_flag_test_and_set()
811 	return atomic_test_and_set_bit(iface->if_dev->flags, value);  in net_if_flag_test_and_set()
823 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_flag_clear()
827 	atomic_clear_bit(iface->if_dev->flags, value);  in net_if_flag_clear()
841 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_flag_test_and_clear()
845 	return atomic_test_and_clear_bit(iface->if_dev->flags, value);  in net_if_flag_test_and_clear()
859 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_flag_is_set()
863 	return atomic_test_bit(iface->if_dev->flags, value);  in net_if_flag_is_set()
877 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_oper_state_set()
881 	BUILD_ASSERT((enum net_if_oper_state)(-1) > 0 && NET_IF_OPER_UNKNOWN == 0);  in net_if_oper_state_set()
883 		iface->if_dev->oper_state = oper_state;  in net_if_oper_state_set()
886 	return iface->if_dev->oper_state;  in net_if_oper_state_set()
898 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_oper_state()
902 	return iface->if_dev->oper_state;  in net_if_oper_state()
924 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_l2()
928 	return iface->if_dev->l2;  in net_if_l2()
950 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_l2_data()
954 	return iface->if_dev->l2_data;  in net_if_l2_data()
966 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_get_device()
970 	return iface->if_dev->dev;  in net_if_get_device()
974  * @brief Queue a packet to the net interface TX queue
982  * @brief Return the IP offload status
991 	return (iface != NULL && iface->if_dev != NULL &&  in net_if_is_ip_offloaded()
992 		iface->if_dev->offload != NULL);  in net_if_is_ip_offloaded()
1001  * @brief Return offload status of a given network interface.
1010  * @brief Return the IP offload plugin
1014  * @return NULL if there is no offload plugin defined, valid pointer otherwise
1019 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_offload()
1023 	return iface->if_dev->offload;  in net_if_offload()
1032  * @brief Return the socket offload status
1041 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_is_socket_offloaded()
1045 	return (iface->if_dev->socket_offload != NULL);  in net_if_is_socket_offloaded()
1063 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_socket_offload_set()
1067 	iface->if_dev->socket_offload = socket_offload;  in net_if_socket_offload_set()
1084 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_socket_offload()
1088 	return iface->if_dev->socket_offload;  in net_if_socket_offload()
1105 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_get_link_addr()
1109 	return &iface->if_dev->link_addr;  in net_if_get_link_addr()
1125 	return &iface->config;  in net_if_get_config()
1167  * This function is intended for upper-layer protocols to inform the IPv6
1194 		return -EPERM;  in net_if_set_link_addr_unlocked()
1197 	net_if_get_link_addr(iface)->addr = addr;  in net_if_set_link_addr_unlocked()
1198 	net_if_get_link_addr(iface)->len = len;  in net_if_set_link_addr_unlocked()
1199 	net_if_get_link_addr(iface)->type = type;  in net_if_set_link_addr_unlocked()
1267 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_get_mtu()
1271 	return iface->if_dev->mtu;  in net_if_get_mtu()
1283 	if (iface == NULL || iface->if_dev == NULL) {  in net_if_set_mtu()
1287 	iface->if_dev->mtu = mtu;  in net_if_set_mtu()
1303 	ifaddr->is_infinite = is_infinite;  in net_if_addr_set_lf()
1337 	return &iface->config;  in net_if_config_get()
1523  * @param cb User-supplied callback function to call
1567  * @param cb User-supplied callback function to call
1670 	return addr->is_joined;  in net_if_ipv6_maddr_is_joined()
1742 	prefix->is_infinite = is_infinite;  in net_if_ipv6_prefix_set_lf()
1786 	return &router->address.in6_addr;  in net_if_router_ipv6()
1955 	if (!iface->config.ip.ipv6) {  in net_if_ipv6_set_base_reachable_time()
1959 	iface->config.ip.ipv6->base_reachable_time = reachable_time;  in net_if_ipv6_set_base_reachable_time()
1981 	if (!iface->config.ip.ipv6) {  in net_if_ipv6_get_reachable_time()
1985 	return iface->config.ip.ipv6->reachable_time;  in net_if_ipv6_get_reachable_time()
2014 	ipv6->reachable_time = net_if_ipv6_calc_reachable_time(ipv6);  in net_if_ipv6_set_reachable_time()
2034 	if (!iface->config.ip.ipv6) {  in net_if_ipv6_set_retrans_timer()
2038 	iface->config.ip.ipv6->retrans_timer = retrans_timer;  in net_if_ipv6_set_retrans_timer()
2059 	if (!iface->config.ip.ipv6) {  in net_if_ipv6_get_retrans_timer()
2063 	return iface->config.ip.ipv6->retrans_timer;  in net_if_ipv6_get_retrans_timer()
2215  * @brief Get IPv4 time-to-live value specified for a given interface
2219  * @return Time-to-live
2224  * @brief Set IPv4 time-to-live value specified to a given interface
2227  * @param ttl Time-to-live value
2232  * @brief Get IPv4 multicast time-to-live value specified for a given interface
2236  * @return Time-to-live
2241  * @brief Set IPv4 multicast time-to-live value specified to a given interface
2244  * @param ttl Time-to-live value
2325  * @param cb User-supplied callback function to call
2357  * @param cb User-supplied callback function to call
2398 	return addr->is_joined;  in net_if_ipv4_maddr_is_joined()
2423 	return &router->address.in_addr;  in net_if_router_ipv4()
2743 /* used to ensure encoding of checksum support in net_if.h and
2759  * @brief Type of checksum for which support in the interface will be queried.
2762 	/** Interface supports IP version 4 header checksum calculation */
2764 	/** Interface supports checksum calculation for TCP payload in IPv4 */
2767 	/** Interface supports checksum calculation for UDP payload in IPv4 */
2770 	/** Interface supports checksum calculation for ICMP4 payload in IPv4 */
2772 	/** Interface supports IP version 6 header checksum calculation */
2774 	/** Interface supports checksum calculation for TCP payload in IPv6 */
2777 	/** Interface supports checksum calculation for UDP payload in IPv6 */
2780 	/** Interface supports checksum calculation for ICMP6 payload in IPv6 */
2785  * @brief Check if received network packet checksum calculation can be avoided
2787  * in which case the IP stack does not need to calculate the checksum.
2790  * @param chksum_type L3 and/or L4 protocol for which to compute checksum
2792  * @return True if checksum needs to be calculated, false otherwise.
2798  * @brief Check if network packet checksum calculation can be avoided or not
2801  * checksum.
2804  * @param chksum_type L3 and/or L4 protocol for which to compute checksum
2806  * @return True if checksum needs to be calculated, false otherwise.
2845  * @param cb User-supplied callback function to call
2940  *        (for example Wi-Fi network association).
3041  * @brief Add timestamped TX buffer to be handled
3064 	return -ENOTSUP;  in net_if_set_promisc()
3102  * @brief Check if there are any pending TX network data for a given network
3107  * @return True if there are pending TX network packets for this network
3113 	return !!iface->tx_pending;  in net_if_are_pending_tx_packets()
3127  * @return 0 on success, or -EALREADY/-EBUSY as possible errors.
3136  * @return 0 on success, or -EALREADY as a possible error.
3151  * @brief Check if the network interface supports Wi-Fi.
3155  * @return True if interface supports Wi-Fi, False otherwise.
3160  * @brief Get first Wi-Fi network interface.
3167  * @brief Get Wi-Fi network station interface.
3174  * @brief Get first Wi-Fi network Soft-AP interface.
3190  *         -EINVAL if invalid parameters,
3191  *         -ERANGE if name cannot be copied to the user supplied buffer,
3192  *         -ENOTSUP if interface name support is disabled,
3206  *         -ENOTSUP interface name support is disabled
3207  *         -EINVAL if invalid parameters are given,
3208  *         -ENAMETOOLONG if name is too long
3274 		[0 ... (_num_configs - 1)] = {				\
3300 		[0 ... (NET_IF_MAX_CONFIGS - 1)] = {			\
3545 			*(_dst) = ((uintptr_t)_net_if_list_end -	\