/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _NET_ALIGNED_DATA_H #define _NET_ALIGNED_DATA_H #include <linux/atomic.h> #include <linux/types.h> /* Structure holding cacheline aligned fields on SMP builds. * Each field or group should have an ____cacheline_aligned_in_smp * attribute to ensure no accidental false sharing can happen. */ struct net_aligned_data { atomic64_t net_cookie ____cacheline_aligned_in_smp; #if defined(CONFIG_INET) atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp; atomic_long_t udp_memory_allocated ____cacheline_aligned_in_smp; #endif }; extern struct net_aligned_data net_aligned_data; #endif /* _NET_ALIGNED_DATA_H */