summaryrefslogtreecommitdiffstats
path: root/include/net/hotdata.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/hotdata.h')
-rw-r--r--include/net/hotdata.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/include/net/hotdata.h b/include/net/hotdata.h
new file mode 100644
index 0000000000..003667a1ef
--- /dev/null
+++ b/include/net/hotdata.h
@@ -0,0 +1,52 @@
+/* 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;
+};
+
+#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 */