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TCP encapsulation of IKE and IPsec messages (RFC 8229) is implemented as a TCP ULP, overriding in particular the sendmsg and recvmsg operations. A Stream Parser is used to extract messages out of the TCP stream using the first 2 bytes as length marker. Received IKE messages are put on "ike_queue", waiting to be dequeued by the custom recvmsg implementation. Received ESP messages are sent to XFRM, like with UDP encapsulation. Some of this code is taken from the original submission by Herbert Xu. Currently, only IPv4 is supported, like for UDP encapsulation. Co-developed-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
15 lines
482 B
Makefile
15 lines
482 B
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the XFRM subsystem.
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#
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obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \
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xfrm_input.o xfrm_output.o \
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xfrm_sysctl.o xfrm_replay.o xfrm_device.o
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obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o
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obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o
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obj-$(CONFIG_XFRM_USER) += xfrm_user.o
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obj-$(CONFIG_XFRM_IPCOMP) += xfrm_ipcomp.o
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obj-$(CONFIG_XFRM_INTERFACE) += xfrm_interface.o
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obj-$(CONFIG_INET_ESPINTCP) += espintcp.o
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