forked from mirrors/linux
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>
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _NET_HOTDATA_H
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#define _NET_HOTDATA_H
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#include <linux/types.h>
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#include <linux/netdevice.h>
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#include <net/protocol.h>
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/* Read mostly data used in network fast paths. */
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struct net_hotdata {
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#if IS_ENABLED(CONFIG_INET)
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struct packet_offload ip_packet_offload;
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struct net_offload tcpv4_offload;
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struct net_protocol tcp_protocol;
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struct net_offload udpv4_offload;
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struct net_protocol udp_protocol;
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struct packet_offload ipv6_packet_offload;
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struct net_offload tcpv6_offload;
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#if IS_ENABLED(CONFIG_IPV6)
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struct inet6_protocol tcpv6_protocol;
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struct inet6_protocol udpv6_protocol;
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#endif
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struct net_offload udpv6_offload;
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#endif
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struct list_head offload_base;
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struct list_head ptype_all;
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struct kmem_cache *skbuff_cache;
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struct kmem_cache *skbuff_fclone_cache;
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struct kmem_cache *skb_small_head_cache;
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#ifdef CONFIG_RPS
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struct rps_sock_flow_table __rcu *rps_sock_flow_table;
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u32 rps_cpu_mask;
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#endif
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int gro_normal_batch;
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int netdev_budget;
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int netdev_budget_usecs;
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int tstamp_prequeue;
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int max_backlog;
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int dev_tx_weight;
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int dev_rx_weight;
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int sysctl_max_skb_frags;
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int sysctl_skb_defer_max;
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int sysctl_mem_pcpu_rsv;
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};
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#define inet_ehash_secret net_hotdata.tcp_protocol.secret
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#define udp_ehash_secret net_hotdata.udp_protocol.secret
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#define inet6_ehash_secret net_hotdata.tcpv6_protocol.secret
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#define tcp_ipv6_hash_secret net_hotdata.tcpv6_offload.secret
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#define udp6_ehash_secret net_hotdata.udpv6_protocol.secret
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#define udp_ipv6_hash_secret net_hotdata.udpv6_offload.secret
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extern struct net_hotdata net_hotdata;
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#endif /* _NET_HOTDATA_H */
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