mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 12:11:40 +00:00
c204fef97e
sysctl_mem_pcpu_rsv is used in TCP fast path, move it to net_hodata for better cache locality. Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20240429134025.1233626-6-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
#ifndef _NET_HOTDATA_H
|
|
#define _NET_HOTDATA_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/netdevice.h>
|
|
#include <net/protocol.h>
|
|
|
|
/* Read mostly data used in network fast paths. */
|
|
struct net_hotdata {
|
|
#if IS_ENABLED(CONFIG_INET)
|
|
struct packet_offload ip_packet_offload;
|
|
struct net_offload tcpv4_offload;
|
|
struct net_protocol tcp_protocol;
|
|
struct net_offload udpv4_offload;
|
|
struct net_protocol udp_protocol;
|
|
struct packet_offload ipv6_packet_offload;
|
|
struct net_offload tcpv6_offload;
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
struct inet6_protocol tcpv6_protocol;
|
|
struct inet6_protocol udpv6_protocol;
|
|
#endif
|
|
struct net_offload udpv6_offload;
|
|
#endif
|
|
struct list_head offload_base;
|
|
struct list_head ptype_all;
|
|
struct kmem_cache *skbuff_cache;
|
|
struct kmem_cache *skbuff_fclone_cache;
|
|
struct kmem_cache *skb_small_head_cache;
|
|
#ifdef CONFIG_RPS
|
|
struct rps_sock_flow_table __rcu *rps_sock_flow_table;
|
|
u32 rps_cpu_mask;
|
|
#endif
|
|
int gro_normal_batch;
|
|
int netdev_budget;
|
|
int netdev_budget_usecs;
|
|
int tstamp_prequeue;
|
|
int max_backlog;
|
|
int dev_tx_weight;
|
|
int dev_rx_weight;
|
|
int sysctl_max_skb_frags;
|
|
int sysctl_skb_defer_max;
|
|
int sysctl_mem_pcpu_rsv;
|
|
};
|
|
|
|
#define inet_ehash_secret net_hotdata.tcp_protocol.secret
|
|
#define udp_ehash_secret net_hotdata.udp_protocol.secret
|
|
#define inet6_ehash_secret net_hotdata.tcpv6_protocol.secret
|
|
#define tcp_ipv6_hash_secret net_hotdata.tcpv6_offload.secret
|
|
#define udp6_ehash_secret net_hotdata.udpv6_protocol.secret
|
|
#define udp_ipv6_hash_secret net_hotdata.udpv6_offload.secret
|
|
|
|
extern struct net_hotdata net_hotdata;
|
|
|
|
#endif /* _NET_HOTDATA_H */
|