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8f0ec8c681
This commit adds an unstable kfunc helper to access internal xfrm_state associated with an SA. This is intended to be used for the upcoming IPsec pcpu work to assign special pcpu SAs to a particular CPU. In other words: for custom software RSS. That being said, the function that this kfunc wraps is fairly generic and used for a lot of xfrm tasks. I'm sure people will find uses elsewhere over time. This commit also adds a corresponding bpf_xdp_xfrm_state_release() kfunc to release the refcnt acquired by bpf_xdp_get_xfrm_state(). The verifier will require that all acquired xfrm_state's are released. Co-developed-by: Antony Antony <antony.antony@secunet.com> Signed-off-by: Antony Antony <antony.antony@secunet.com> Acked-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Daniel Xu <dxu@dxuuu.xyz> Link: https://lore.kernel.org/r/a29699c42f5fad456b875c98dd11c6afc3ffb707.1702593901.git.dxu@dxuuu.xyz Signed-off-by: Alexei Starovoitov <ast@kernel.org>
25 lines
861 B
Makefile
25 lines
861 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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xfrm_interface-$(CONFIG_XFRM_INTERFACE) += xfrm_interface_core.o
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ifeq ($(CONFIG_XFRM_INTERFACE),m)
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xfrm_interface-$(CONFIG_DEBUG_INFO_BTF_MODULES) += xfrm_interface_bpf.o
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else ifeq ($(CONFIG_XFRM_INTERFACE),y)
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xfrm_interface-$(CONFIG_DEBUG_INFO_BTF) += xfrm_interface_bpf.o
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endif
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obj-$(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_USER_COMPAT) += xfrm_compat.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-$(CONFIG_XFRM_ESPINTCP) += espintcp.o
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obj-$(CONFIG_DEBUG_INFO_BTF) += xfrm_state_bpf.o
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