mirror of
https://github.com/torvalds/linux
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c50e96099e
Add two new kfuncs that allow a BPF tc-hook, installed on an ipip device in collect-metadata mode, to control FOU encap parameters on a per-packet level. The set of kfuncs is registered with the fou module. The bpf_skb_set_fou_encap kfunc is supposed to be used in tandem and after a successful call to the bpf_skb_set_tunnel_key bpf-helper. UDP source and destination ports can be controlled by passing a struct bpf_fou_encap. A source port of zero will auto-assign a source port. enum bpf_fou_encap_type is used to specify if the egress path should FOU or GUE encap the packet. On the ingress path bpf_skb_get_fou_encap can be used to read UDP source and destination ports from the receiver's point of view and allows for packet multiplexing across different destination ports within a single BPF program and ipip device. Signed-off-by: Christian Ehrig <cehrig@cloudflare.com> Link: https://lore.kernel.org/r/e17c94a646b63e78ce0dbf3f04b2c33dc948a32d.1680874078.git.cehrig@cloudflare.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
75 lines
2.8 KiB
Makefile
75 lines
2.8 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the Linux TCP/IP (INET) layer.
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#
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obj-y := route.o inetpeer.o protocol.o \
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ip_input.o ip_fragment.o ip_forward.o ip_options.o \
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ip_output.o ip_sockglue.o inet_hashtables.o \
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inet_timewait_sock.o inet_connection_sock.o \
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tcp.o tcp_input.o tcp_output.o tcp_timer.o tcp_ipv4.o \
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tcp_minisocks.o tcp_cong.o tcp_metrics.o tcp_fastopen.o \
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tcp_rate.o tcp_recovery.o tcp_ulp.o \
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tcp_offload.o tcp_plb.o datagram.o raw.o udp.o udplite.o \
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udp_offload.o arp.o icmp.o devinet.o af_inet.o igmp.o \
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fib_frontend.o fib_semantics.o fib_trie.o fib_notifier.o \
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inet_fragment.o ping.o ip_tunnel_core.o gre_offload.o \
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metrics.o netlink.o nexthop.o udp_tunnel_stub.o
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obj-$(CONFIG_BPFILTER) += bpfilter/
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obj-$(CONFIG_NET_IP_TUNNEL) += ip_tunnel.o
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obj-$(CONFIG_SYSCTL) += sysctl_net_ipv4.o
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obj-$(CONFIG_PROC_FS) += proc.o
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obj-$(CONFIG_IP_MULTIPLE_TABLES) += fib_rules.o
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obj-$(CONFIG_IP_MROUTE) += ipmr.o
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obj-$(CONFIG_IP_MROUTE_COMMON) += ipmr_base.o
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obj-$(CONFIG_NET_IPIP) += ipip.o
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gre-y := gre_demux.o
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fou-y := fou_core.o fou_nl.o fou_bpf.o
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obj-$(CONFIG_NET_FOU) += fou.o
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obj-$(CONFIG_NET_IPGRE_DEMUX) += gre.o
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obj-$(CONFIG_NET_IPGRE) += ip_gre.o
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udp_tunnel-y := udp_tunnel_core.o udp_tunnel_nic.o
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obj-$(CONFIG_NET_UDP_TUNNEL) += udp_tunnel.o
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obj-$(CONFIG_NET_IPVTI) += ip_vti.o
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obj-$(CONFIG_SYN_COOKIES) += syncookies.o
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obj-$(CONFIG_INET_AH) += ah4.o
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obj-$(CONFIG_INET_ESP) += esp4.o
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obj-$(CONFIG_INET_ESP_OFFLOAD) += esp4_offload.o
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obj-$(CONFIG_INET_IPCOMP) += ipcomp.o
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obj-$(CONFIG_INET_XFRM_TUNNEL) += xfrm4_tunnel.o
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obj-$(CONFIG_INET_TUNNEL) += tunnel4.o
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obj-$(CONFIG_IP_PNP) += ipconfig.o
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obj-$(CONFIG_NETFILTER) += netfilter.o netfilter/
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obj-$(CONFIG_INET_DIAG) += inet_diag.o
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obj-$(CONFIG_INET_TCP_DIAG) += tcp_diag.o
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obj-$(CONFIG_INET_UDP_DIAG) += udp_diag.o
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obj-$(CONFIG_INET_RAW_DIAG) += raw_diag.o
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obj-$(CONFIG_TCP_CONG_BBR) += tcp_bbr.o
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obj-$(CONFIG_TCP_CONG_BIC) += tcp_bic.o
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obj-$(CONFIG_TCP_CONG_CDG) += tcp_cdg.o
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obj-$(CONFIG_TCP_CONG_CUBIC) += tcp_cubic.o
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obj-$(CONFIG_TCP_CONG_DCTCP) += tcp_dctcp.o
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obj-$(CONFIG_TCP_CONG_WESTWOOD) += tcp_westwood.o
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obj-$(CONFIG_TCP_CONG_HSTCP) += tcp_highspeed.o
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obj-$(CONFIG_TCP_CONG_HYBLA) += tcp_hybla.o
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obj-$(CONFIG_TCP_CONG_HTCP) += tcp_htcp.o
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obj-$(CONFIG_TCP_CONG_VEGAS) += tcp_vegas.o
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obj-$(CONFIG_TCP_CONG_NV) += tcp_nv.o
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obj-$(CONFIG_TCP_CONG_VENO) += tcp_veno.o
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obj-$(CONFIG_TCP_CONG_SCALABLE) += tcp_scalable.o
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obj-$(CONFIG_TCP_CONG_LP) += tcp_lp.o
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obj-$(CONFIG_TCP_CONG_YEAH) += tcp_yeah.o
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obj-$(CONFIG_TCP_CONG_ILLINOIS) += tcp_illinois.o
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obj-$(CONFIG_NET_SOCK_MSG) += tcp_bpf.o
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obj-$(CONFIG_BPF_SYSCALL) += udp_bpf.o
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obj-$(CONFIG_NETLABEL) += cipso_ipv4.o
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obj-$(CONFIG_XFRM) += xfrm4_policy.o xfrm4_state.o xfrm4_input.o \
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xfrm4_output.o xfrm4_protocol.o
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ifeq ($(CONFIG_BPF_JIT),y)
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obj-$(CONFIG_BPF_SYSCALL) += bpf_tcp_ca.o
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endif
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