# ==========================================================================
# Installing firmware
#
# We don't include the .config, so all firmware files are in $(fw-shipped-)
# rather than in $(fw-shipped-y) or $(fw-shipped-m).
# ==========================================================================

INSTALL := install
src := $(obj)

# For modules_install installing firmware, we want to see .config
# But for firmware_install, we don't care, but don't want to require it.
-include $(objtree)/.config

include scripts/Kbuild.include
include $(src)/Makefile

include scripts/Makefile.host

mod-fw := $(fw-shipped-m)
# If CONFIG_FIRMWARE_IN_KERNEL isn't set, then install the
# firmware for in-kernel drivers too.
ifndef CONFIG_FIRMWARE_IN_KERNEL
mod-fw += $(fw-shipped-y)
endif

ifneq ($(KBUILD_SRC),)
# Create output directory if not already present
_dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))

firmware-dirs := $(sort $(addprefix $(objtree)/$(obj)/,$(dir $(fw-external-y) $(fw-shipped-all))))
# Create directories for firmware in subdirectories
_dummy := $(foreach d,$(firmware-dirs), $(shell [ -d $(d) ] || mkdir -p $(d)))
endif

installed-mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(mod-fw))

installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all))

quiet_cmd_install = INSTALL $(subst $(srctree)/,,$@)
      cmd_install = mkdir -p $(@D); $(INSTALL) -m0644 $< $@

$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/%
	$(call cmd,install)

PHONY +=  __fw_install __fw_modinst FORCE

.PHONY: $(PHONY)

__fw_install: $(installed-fw)

__fw_modinst: $(installed-mod-fw)
	@:

__fw_modbuild: $(addprefix $(obj)/,$(mod-fw))
	@:

FORCE:

# Read all saved command lines and dependencies for the $(targets) we
# may be building using $(if_changed{,_dep}). As an optimization, we
# don't need to read them if the target does not exist; we will rebuild
# anyway in that case.

targets := $(wildcard $(sort $(targets)))
cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))

ifneq ($(cmd_files),)
  include $(cmd_files)
endif
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<tr class='logheader'><td><span title='2017-02-03 11:05:23 -0500'>2017-02-03</span></td><td class='logsubject'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi?id=013e8167899d389075160412a8c0c5e0581e1f13'>ipv6: sr: remove cleanup flag and fix HMAC computation</a></td><td>David Lebrun</td><td>1</td><td><span class='deletions'>-6</span>/<span class='insertions'>+3</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
In the latest version of the IPv6 Segment Routing IETF draft [1] the
cleanup flag is removed and the flags field length is shrunk from 16 bits
to 8 bits. As a consequence, the input of the HMAC computation is modified
in a non-backward compatible way by covering the whole octet of flags
instead of only the cleanup bit. As such, if an implementation compatible
with the latest draft computes the HMAC of an SRH who has other flags set
to 1, then the HMAC result would differ from the current implementation.

This patch carries those modifications to prevent conflict with other
implementations of IPv6 SR.

[1] https://tools.ietf.org/html/draft-ietf-6man-segment-routing-header-05

Signed-off-by: David Lebrun &lt;david.lebrun@uclouvain.be&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;


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