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authorThibaut VARÈNE <hacks@slashdirt.org>2020-04-20 13:48:02 +0200
committerKoen Vandeputte <koen.vandeputte@ncentric.com>2020-05-08 15:17:17 +0200
commit8f4735297bbfb24976e06bb4f2f115be29a99404 (patch)
tree03413635939f5f79c0ffa610418792931608e8ed /package/base-files/files
parente995577e70cbc2c34a843d133d41ad32aabe072e (diff)
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package/base-files: caldata: allow setting target file
This will enable platforms to extract caldata to an arbitrary file, or patch mac in an abitrary file. Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
Diffstat (limited to 'package/base-files/files')
-rw-r--r--package/base-files/files/lib/functions/caldata.sh29
1 files changed, 21 insertions, 8 deletions
diff --git a/package/base-files/files/lib/functions/caldata.sh b/package/base-files/files/lib/functions/caldata.sh
index 3bdb1e4dd5..5e969e3409 100644
--- a/package/base-files/files/lib/functions/caldata.sh
+++ b/package/base-files/files/lib/functions/caldata.sh
@@ -60,15 +60,21 @@ caldata_from_file() {
local source=$1
local offset=$(($2))
local count=$(($3))
+ local target=$4
- dd if=$source of=/lib/firmware/$FIRMWARE iflag=skip_bytes bs=$count skip=$offset count=1 2>/dev/null || \
+ [ -n "$target" ] || target=/lib/firmware/$FIRMWARE
+
+ dd if=$source of=$target iflag=skip_bytes bs=$count skip=$offset count=1 2>/dev/null || \
caldata_die "failed to extract calibration data from $source"
}
caldata_valid() {
local expected="$1"
+ local target=$2
+
+ [ -n "$target" ] || target=/lib/firmware/$FIRMWARE
- magic=$(hexdump -v -n 2 -e '1/1 "%02x"' /lib/firmware/$FIRMWARE)
+ magic=$(hexdump -v -n 2 -e '1/1 "%02x"' $target)
[ "$magic" = "$expected" ]
return $?
}
@@ -77,6 +83,7 @@ caldata_patch_chksum() {
local mac=$1
local mac_offset=$(($2))
local chksum_offset=$(($3))
+ local target=$4
local xor_mac
local xor_fw_mac
local xor_fw_chksum
@@ -91,38 +98,44 @@ caldata_patch_chksum() {
xor_fw_chksum=$(xor $xor_fw_chksum $xor_fw_mac $xor_mac)
printf "%b" "\x${xor_fw_chksum:0:2}\x${xor_fw_chksum:2:2}" | \
- dd of=/lib/firmware/$FIRMWARE conv=notrunc bs=1 seek=$chksum_offset count=2
+ dd of=$target conv=notrunc bs=1 seek=$chksum_offset count=2
}
caldata_patch_mac() {
local mac=$1
local mac_offset=$(($2))
local chksum_offset=$3
+ local target=$4
[ -z "$mac" -o -z "$mac_offset" ] && return
- [ -n "$chksum_offset" ] && caldata_patch_chksum "$mac" "$mac_offset" "$chksum_offset"
+ [ -n "$target" ] || target=/lib/firmware/$FIRMWARE
+
+ [ -n "$chksum_offset" ] && caldata_patch_chksum "$mac" "$mac_offset" "$chksum_offset" "$target"
- macaddr_2bin $mac | dd of=/lib/firmware/$FIRMWARE conv=notrunc oflag=seek_bytes bs=6 seek=$mac_offset count=1 || \
+ macaddr_2bin $mac | dd of=$target conv=notrunc oflag=seek_bytes bs=6 seek=$mac_offset count=1 || \
caldata_die "failed to write MAC address to eeprom file"
}
ath9k_patch_mac() {
local mac=$1
+ local target=$2
- caldata_patch_mac "$mac" 0x2
+ caldata_patch_mac "$mac" 0x2 "" "$target"
}
ath9k_patch_mac_crc() {
local mac=$1
local mac_offset=$2
local chksum_offset=$((mac_offset - 10))
+ local target=$4
- caldata_patch_mac "$mac" "$mac_offset" "$chksum_offset"
+ caldata_patch_mac "$mac" "$mac_offset" "$chksum_offset" "$target"
}
ath10k_patch_mac() {
local mac=$1
+ local target=$2
- caldata_patch_mac "$mac" 0x6 0x2
+ caldata_patch_mac "$mac" 0x6 0x2 "$target"
}