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bpf: Fix proxy redirection for egress programs
* Handling of the proxy redirection was missing entirely in the to-container section for IPv6. Add it. * The to-container section case was assuming that any proxy redirection is indicated by ipv{46}_policy() returning a non-zero proxy port. This is no longer true since commit 830adba. Fix this by using a separate return code to indicate proxy redirection and treating the proxy port as optional. The above deficits lead to proxy redirection being ineffective when the setting EnableEndpointRoutes was set. Fixes: 830adba ("bpf: Support proxy using original source address and port.") Fixes: 25a80df ("bpf: Add to-container section to bpf_lxc") Fixes: #10105 Signed-off-by: Thomas Graf <thomas@cilium.io>
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GO_BINDATA_SHA1SUM=b2a1b7f878323fce6afa178a3bc347aa457a923c | ||
GO_BINDATA_SHA1SUM=207cb3f96374de2ae0423c0cb679f19d8aa03b73 | ||
BPF_FILES=../bpf/COPYING ../bpf/Makefile ../bpf/Makefile.bpf ../bpf/bpf_alignchecker.c ../bpf/bpf_features.h ../bpf/bpf_hostdev_ingress.c ../bpf/bpf_ipsec.c ../bpf/bpf_lxc.c ../bpf/bpf_netdev.c ../bpf/bpf_network.c ../bpf/bpf_overlay.c ../bpf/bpf_sock.c ../bpf/bpf_xdp.c ../bpf/cilium-map-migrate.c ../bpf/filter_config.h ../bpf/include/bpf/api.h ../bpf/include/elf/elf.h ../bpf/include/elf/gelf.h ../bpf/include/elf/libelf.h ../bpf/include/iproute2/bpf_elf.h ../bpf/include/linux/bpf.h ../bpf/include/linux/bpf_common.h ../bpf/include/linux/byteorder.h ../bpf/include/linux/byteorder/big_endian.h ../bpf/include/linux/byteorder/little_endian.h ../bpf/include/linux/icmp.h ../bpf/include/linux/icmpv6.h ../bpf/include/linux/if_arp.h ../bpf/include/linux/if_ether.h ../bpf/include/linux/if_packet.h ../bpf/include/linux/in.h ../bpf/include/linux/in6.h ../bpf/include/linux/ioctl.h ../bpf/include/linux/ip.h ../bpf/include/linux/ipv6.h ../bpf/include/linux/perf_event.h ../bpf/include/linux/swab.h ../bpf/include/linux/tcp.h ../bpf/include/linux/type_mapper.h ../bpf/include/linux/udp.h ../bpf/init.sh ../bpf/lib/arp.h ../bpf/lib/common.h ../bpf/lib/config.h ../bpf/lib/conntrack.h ../bpf/lib/conntrack_map.h ../bpf/lib/conntrack_test.h ../bpf/lib/csum.h ../bpf/lib/dbg.h ../bpf/lib/drop.h ../bpf/lib/encap.h ../bpf/lib/eps.h ../bpf/lib/eth.h ../bpf/lib/events.h ../bpf/lib/icmp6.h ../bpf/lib/identity.h ../bpf/lib/ipv4.h ../bpf/lib/ipv6.h ../bpf/lib/ipv6_test.h ../bpf/lib/l3.h ../bpf/lib/l4.h ../bpf/lib/lb.h ../bpf/lib/lxc.h ../bpf/lib/maps.h ../bpf/lib/metrics.h ../bpf/lib/nat.h ../bpf/lib/nat46.h ../bpf/lib/nodeport.h ../bpf/lib/policy.h ../bpf/lib/signal.h ../bpf/lib/tailcall.h ../bpf/lib/trace.h ../bpf/lib/utils.h ../bpf/lib/xdp.h ../bpf/lxc_config.h ../bpf/netdev_config.h ../bpf/node_config.h ../bpf/probes/raw_change_tail.t ../bpf/probes/raw_fib_lookup.t ../bpf/probes/raw_insn.h ../bpf/probes/raw_invalidate_hash.t ../bpf/probes/raw_lpm_map.t ../bpf/probes/raw_lru_map.t ../bpf/probes/raw_main.c ../bpf/probes/raw_max_insn.t ../bpf/probes/raw_sock_cookie.t ../bpf/run_probes.sh ../bpf/sockops/Makefile ../bpf/sockops/bpf_redir.c ../bpf/sockops/bpf_sockops.c ../bpf/sockops/bpf_sockops.h ../bpf/sockops/sockops_config.h |