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RIOT/sys/include/net/gnrc/ipv6/nib/conf.h
bors[bot] 211db05401
Merge #18477 #19101 #19155 
18477: gnrc_static: add static network configuration r=miri64 a=benpicco



19101: CI: update check-labels-action r=miri64 a=kaspar030



19155: Revert "sys/pm_layered: pm_(un)block add attribute optimize(3)" r=maribu a=Teufelchen1

Revert "sys/pm_layered: pm_(un)block add attribute optimize(3) -shortens hotpath"

This reverts commit 5447203921.

### Contribution description

Compiling `examples/gnrc_networking_mac` using `TOOLCHAIN=llvm` yields the following error:
```
RIOT/sys/pm_layered/pm.c:77:16: error: unknown attribute 'optimize' ignored [-Werror,-Wunknown-attributes]
__attribute__((optimize(3)))
```
As indicated, this is because the attribute `optimize` is GCC only and not present in LLVM.
Compare the manpages of [GCC](https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html) and [LLVM](https://clang.llvm.org/docs/AttributeReference.html).


### Testing procedure

Since this should only affect performance and not behavior, no special testing is needed. I am not aware of any tests in RIOT which could verify that assumption.

### Issues/PRs references

Introduced in #18846

There is another instance of this attribute being used in[ shell_lock.c](6fb340d654/sys/shell_lock/shell_lock.c (L80)). Since the usage is security related, I omit it from this PR.


Co-authored-by: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Co-authored-by: Kaspar Schleiser <kaspar@schleiser.de>
Co-authored-by: Teufelchen1 <bennet.blischke@haw-hamburg.de>
2023-01-16 14:03:15 +00:00

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/*
* Copyright (C) 2017 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup net_gnrc_ipv6_nib_conf GNRC IPv6 NIB compile configurations
* @ingroup net_gnrc_ipv6_nib
* @ingroup net_gnrc_conf
* @brief Configuration macros for neighbor information base
* @{
*
* @file
* @brief Configuration macro definitions for neighbor information base
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef NET_GNRC_IPV6_NIB_CONF_H
#define NET_GNRC_IPV6_NIB_CONF_H
#include "modules.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Apply configurations only if not using Kconfig for this module */
#if !IS_ACTIVE(CONFIG_KCONFIG_MODULE_GNRC_IPV6_NIB) || defined(DOXYGEN)
/* some pseudo-module based configuration, doc: see below */
#ifdef MODULE_GNRC_IPV6_NIB_6LBR
#ifndef CONFIG_GNRC_IPV6_NIB_6LBR
#define CONFIG_GNRC_IPV6_NIB_6LBR 1
#endif
#ifndef CONFIG_GNRC_IPV6_NIB_SLAAC
#define CONFIG_GNRC_IPV6_NIB_SLAAC 1
#endif
#ifndef CONFIG_GNRC_IPV6_NIB_QUEUE_PKT
#define CONFIG_GNRC_IPV6_NIB_QUEUE_PKT 1
#endif
#ifndef CONFIG_GNRC_IPV6_NIB_NUMOF
#define CONFIG_GNRC_IPV6_NIB_NUMOF (16)
#endif
#endif
#ifdef MODULE_GNRC_IPV6_NIB_6LR
#ifndef CONFIG_GNRC_IPV6_NIB_6LR
#define CONFIG_GNRC_IPV6_NIB_6LR 1
#endif
#ifndef CONFIG_GNRC_IPV6_NIB_SLAAC
#define CONFIG_GNRC_IPV6_NIB_SLAAC 0
#endif
#endif
#ifdef MODULE_GNRC_IPV6_NIB_6LN
#ifndef CONFIG_GNRC_IPV6_NIB_6LN
#define CONFIG_GNRC_IPV6_NIB_6LN 1
#endif
#ifndef CONFIG_GNRC_IPV6_NIB_SLAAC
#define CONFIG_GNRC_IPV6_NIB_SLAAC 0
#endif
#ifndef CONFIG_GNRC_IPV6_NIB_QUEUE_PKT
#define CONFIG_GNRC_IPV6_NIB_QUEUE_PKT 0
#endif
#if !CONFIG_GNRC_IPV6_NIB_6LR
# ifndef CONFIG_GNRC_IPV6_NIB_ARSM
# define CONFIG_GNRC_IPV6_NIB_ARSM 0
# endif
# ifndef CONFIG_GNRC_IPV6_NIB_NUMOF
/* only needs to store default router */
# define CONFIG_GNRC_IPV6_NIB_NUMOF (1)
# endif
#endif
#endif
#ifdef MODULE_GNRC_IPV6_NIB_ROUTER
#define CONFIG_GNRC_IPV6_NIB_ROUTER 1
#endif
#ifdef MODULE_GNRC_IPV6_NIB_DNS
#define CONFIG_GNRC_IPV6_NIB_DNS 1
#endif
/**
* @name Compile flags
* @brief Compile flags to (de-)activate certain features for NIB
* @{
*/
/**
* @brief enable features for 6Lo border router
*/
#ifndef CONFIG_GNRC_IPV6_NIB_6LBR
#define CONFIG_GNRC_IPV6_NIB_6LBR 0
#endif
/**
* @brief enable features for 6Lo router
*/
#ifndef CONFIG_GNRC_IPV6_NIB_6LR
#if CONFIG_GNRC_IPV6_NIB_6LBR
#define CONFIG_GNRC_IPV6_NIB_6LR 1
#else
#define CONFIG_GNRC_IPV6_NIB_6LR 0
#endif
#endif
/**
* @brief enable features for 6Lo node
*/
#ifndef CONFIG_GNRC_IPV6_NIB_6LN
#if CONFIG_GNRC_IPV6_NIB_6LR
#define CONFIG_GNRC_IPV6_NIB_6LN 1
#else
#define CONFIG_GNRC_IPV6_NIB_6LN 0
#endif
#endif
/**
* @brief enable features for IPv6 routers
*/
#ifndef CONFIG_GNRC_IPV6_NIB_ROUTER
#if CONFIG_GNRC_IPV6_NIB_6LR
#define CONFIG_GNRC_IPV6_NIB_ROUTER 1
#else
#define CONFIG_GNRC_IPV6_NIB_ROUTER 0
#endif
#endif
/**
* @brief (de-)activate router advertising at interface start-up
*/
#ifndef CONFIG_GNRC_IPV6_NIB_ADV_ROUTER
#if CONFIG_GNRC_IPV6_NIB_ROUTER && \
(!CONFIG_GNRC_IPV6_NIB_6LR || CONFIG_GNRC_IPV6_NIB_6LBR) && \
!(IS_USED(MODULE_DHCPV6_CLIENT_IA_PD) || IS_USED(MODULE_GNRC_UHCPC) || \
IS_USED(MODULE_GNRC_IPV6_AUTO_SUBNETS) || IS_USED(MODULE_GNRC_IPV6_STATIC_ADDR))
#define CONFIG_GNRC_IPV6_NIB_ADV_ROUTER 1
#else
#define CONFIG_GNRC_IPV6_NIB_ADV_ROUTER 0
#endif
#endif
/**
* @brief Include a Route Information Option for subnets
* on other interfaces in the last Router Advertisement
* generated by @ref gnrc_ipv6_nib_change_rtr_adv_iface
*
* Requires the `gnrc_ipv6_nib_rio` module.
*/
#ifndef CONFIG_GNRC_IPV6_NIB_ADD_RIO_IN_LAST_RA
#if IS_USED(MODULE_GNRC_IPV6_AUTO_SUBNETS)
#define CONFIG_GNRC_IPV6_NIB_ADD_RIO_IN_LAST_RA 1
#else
#define CONFIG_GNRC_IPV6_NIB_ADD_RIO_IN_LAST_RA 0
#endif
#endif
/**
* @brief (de-)activate NDP address resolution state-machine
*/
#ifndef CONFIG_GNRC_IPV6_NIB_ARSM
#define CONFIG_GNRC_IPV6_NIB_ARSM 1
#endif
/**
* @brief queue packets for address resolution
*/
#ifndef CONFIG_GNRC_IPV6_NIB_QUEUE_PKT
#if CONFIG_GNRC_IPV6_NIB_6LN
#define CONFIG_GNRC_IPV6_NIB_QUEUE_PKT 0
#else
#define CONFIG_GNRC_IPV6_NIB_QUEUE_PKT 1
#endif
#endif
/**
* @brief handle NDP messages according for stateless address
* auto-configuration (if activated on interface)
*
* @see [RFC 4862](https://tools.ietf.org/html/rfc4862)
*/
#ifndef CONFIG_GNRC_IPV6_NIB_SLAAC
#define CONFIG_GNRC_IPV6_NIB_SLAAC 1
#endif
/**
* @brief handle Redirect Messages
*/
#ifndef CONFIG_GNRC_IPV6_NIB_REDIRECT
#define CONFIG_GNRC_IPV6_NIB_REDIRECT 0
#endif
/**
* @brief (de-)activate destination cache
*/
#ifndef CONFIG_GNRC_IPV6_NIB_DC
#if CONFIG_GNRC_IPV6_NIB_REDIRECT
#define CONFIG_GNRC_IPV6_NIB_DC 1
#else
#define CONFIG_GNRC_IPV6_NIB_DC 0
#endif
#endif
/**
* @brief Support for DNS configuration options
*
* @see [RFC 8106](https://tools.ietf.org/html/rfc8106)
*/
#ifndef CONFIG_GNRC_IPV6_NIB_DNS
#define CONFIG_GNRC_IPV6_NIB_DNS 0
#endif
/**
* @brief Multihop prefix and 6LoWPAN context distribution
*
* @see [RFC 6775, section 8.1](https://tools.ietf.org/html/rfc6775#section-8.1)
*/
#ifndef CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C
#if CONFIG_GNRC_IPV6_NIB_6LR
#define CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C 1
#else
#define CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C 0
#endif
#endif
/**
* @brief Multihop duplicate address detection
*
* @see [RFC 6775, section 8.2](https://tools.ietf.org/html/rfc6775#section-8.2)
*/
#ifndef CONFIG_GNRC_IPV6_NIB_MULTIHOP_DAD
#define CONFIG_GNRC_IPV6_NIB_MULTIHOP_DAD 0
#endif
/** @} */
/**
* @brief Reset time in milliseconds for the reachability time
*
* @see [RFC 4861, section 6.3.4](https://tools.ietf.org/html/rfc4861#section-6.3.4)
*/
#ifndef CONFIG_GNRC_IPV6_NIB_REACH_TIME_RESET
#define CONFIG_GNRC_IPV6_NIB_REACH_TIME_RESET (7200000U)
#endif
/**
* @brief Disable router solicitations
*
* @warning Only do this if you know what you're doing
*/
#ifndef CONFIG_GNRC_IPV6_NIB_NO_RTR_SOL
#define CONFIG_GNRC_IPV6_NIB_NO_RTR_SOL 0
#endif
/**
* @brief Maximum link-layer address length (aligned)
*/
#ifndef CONFIG_GNRC_IPV6_NIB_L2ADDR_MAX_LEN
#define CONFIG_GNRC_IPV6_NIB_L2ADDR_MAX_LEN (8U)
#endif
/**
* @brief Number of default routers in the default router list.
*
* @attention This number has direct influence on the maximum number of
* default routers
*/
#ifndef CONFIG_GNRC_IPV6_NIB_DEFAULT_ROUTER_NUMOF
#define CONFIG_GNRC_IPV6_NIB_DEFAULT_ROUTER_NUMOF (1)
#endif
/**
* @brief Number of entries in NIB
*
* @attention This number has direct influence on the maximum number of
* neighbors and duplicate address detection table entries
*/
#ifndef CONFIG_GNRC_IPV6_NIB_NUMOF
#define CONFIG_GNRC_IPV6_NIB_NUMOF (4)
#endif
/**
* @brief Number of off-link entries in NIB
*
* @attention This number is equal to the maximum number of forwarding table
* and prefix list entries in NIB
*/
#ifndef CONFIG_GNRC_IPV6_NIB_OFFL_NUMOF
#define CONFIG_GNRC_IPV6_NIB_OFFL_NUMOF (8)
#endif
#if CONFIG_GNRC_IPV6_NIB_MULTIHOP_P6C || defined(DOXYGEN)
/**
* @brief Number of authoritative border router entries in NIB
*/
#ifndef CONFIG_GNRC_IPV6_NIB_ABR_NUMOF
#define CONFIG_GNRC_IPV6_NIB_ABR_NUMOF (1)
#endif
#endif
#endif /* !CONFIG_KCONFIG_MODULE_GNRC_IPV6_NIB || DOXYGEN */
#ifdef __cplusplus
}
#endif
#endif /* NET_GNRC_IPV6_NIB_CONF_H */
/** @} */
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