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author | Krzysztof Kozlowski <krzk@kernel.org> | 2018-07-05 20:58:12 +0200 |
---|---|---|
committer | Khem Raj <raj.khem@gmail.com> | 2018-07-05 17:51:16 -0700 |
commit | 8603b7643b9025bf88dd55165ec808c4cea144e3 (patch) | |
tree | f18a49be2731f0073fc4412a4cd1ee3132f910fd /meta-networking | |
parent | 20e3c3e2e435526c3666cf0bf6a1d06266337174 (diff) | |
download | meta-openembedded-contrib-8603b7643b9025bf88dd55165ec808c4cea144e3.tar.gz |
kernel_wireless_regdb: Add class for embedding regulatory data into older kernel
Linux kernels before v4.15, allowed to be compiled with static
regulatory database if it was put under net/wireless/db.txt.
Add kernel_wireless_regdb class which allows in such cases to embed the
wireless regulatory database directly in the Linux kernel during build
process.
Usage:
1. The class should be inherited by kernel recipe (e.g. in
linux-yocto_%.bbappend).
2. For Linux kernels up to v4.14, build kernel with CONFIG_EXPERT and
CONFIG_CFG80211_INTERNAL_REGDB.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'meta-networking')
-rw-r--r-- | meta-networking/classes/kernel_wireless_regdb.bbclass | 20 | ||||
-rw-r--r-- | meta-networking/recipes-connectivity/wireless-regdb/wireless-regdb_2018.05.31.bb | 9 |
2 files changed, 29 insertions, 0 deletions
diff --git a/meta-networking/classes/kernel_wireless_regdb.bbclass b/meta-networking/classes/kernel_wireless_regdb.bbclass new file mode 100644 index 0000000000..1238172bd4 --- /dev/null +++ b/meta-networking/classes/kernel_wireless_regdb.bbclass @@ -0,0 +1,20 @@ +# Linux kernels before v4.15, allowed to be compiled with static +# regulatory database if it was put under net/wireless/db.txt. +# +# This class copies the regulatory plaintext database to kernel sources before +# compiling. +# +# Usage: +# 1. The class should be inherited by kernel recipe (e.g. in +# linux-yocto_%.bbappend). +# 2. For Linux kernels up to v4.14, build kernel with CONFIG_EXPERT and +# CONFIG_CFG80211_INTERNAL_REGDB. + +DEPENDS += "wireless-regdb-native" + +SRCTREECOVEREDTASKS += "do_kernel_add_regdb" +do_kernel_add_regdb() { + cp ${STAGING_LIBDIR_NATIVE}/crda/db.txt ${S}/net/wireless/db.txt +} +do_kernel_add_regdb[dirs] = "${S}" +addtask kernel_add_regdb before do_build after do_configure diff --git a/meta-networking/recipes-connectivity/wireless-regdb/wireless-regdb_2018.05.31.bb b/meta-networking/recipes-connectivity/wireless-regdb/wireless-regdb_2018.05.31.bb index 2ae9e85427..d1c8d56759 100644 --- a/meta-networking/recipes-connectivity/wireless-regdb/wireless-regdb_2018.05.31.bb +++ b/meta-networking/recipes-connectivity/wireless-regdb/wireless-regdb_2018.05.31.bb @@ -22,6 +22,7 @@ do_install() { # Install static regulatory DB in /lib/firmware for kernel to load. # This requires Linux kernel >= v4.15. +# For kernel <= v4.14, inherit the kernel_wireless_regdb.bbclass in kernel's recipe. PACKAGES =+ "${PN}-static" RCONFLICTS_${PN} = "${PN}-static" @@ -30,4 +31,12 @@ FILES_${PN}-static = " \ ${nonarch_base_libdir}/firmware/regulatory.db.p7s \ " +# Native users might want to use the source of regulatory DB. +# This is for example used by Linux kernel <= v4.14 and kernel_wireless_regdb.bbclass. +do_install_append_class-native() { + install -m 0644 -D db.txt ${D}${libdir}/crda/db.txt +} + RSUGGESTS_${PN} = "crda" + +BBCLASSEXTEND = "native" |