| /Linux-v4.19/net/6lowpan/ |
| D | Kconfig | 21 Support for next header and generic header compression defined in
30 6LoWPAN IPv6 Destination Options Header compression according to
37 6LoWPAN IPv6 Fragment Header compression according to RFC6282.
43 6LoWPAN IPv6 Hop-by-Hop Options Header compression according to
50 6LoWPAN IPv6 Header compression according to RFC6282.
56 6LoWPAN IPv6 Mobility Header compression according to RFC6282.
62 6LoWPAN IPv6 Routing Header compression according to RFC6282.
68 6LoWPAN IPv6 UDP Header compression according to RFC6282.
73 6LoWPAN IPv6 Hop-by-Hop option generic header compression according
79 6LoWPAN IPv6 UDP generic header compression according to RFC7400.
[all …]
|
| /Linux-v4.19/fs/pstore/ |
| D | Kconfig | 17 tristate "DEFLATE (ZLIB) compression"
22 This option enables DEFLATE (also known as ZLIB) compression
26 tristate "LZO compression"
30 This option enables LZO compression algorithm support.
33 tristate "LZ4 compression"
37 This option enables LZ4 compression algorithm support.
40 tristate "LZ4HC compression"
44 This option enables LZ4HC (high compression) mode algorithm.
47 bool "842 compression"
51 This option enables 842 compression algorithm support.
[all …]
|
| /Linux-v4.19/drivers/media/usb/pwc/ |
| D | pwc-ctrl.c | 154 int frames, int *compression, int send_to_cam) in set_video_mode_Nala() argument
222 *compression = 3; in set_video_mode_Nala()
229 int frames, int *compression, int send_to_cam) in set_video_mode_Timon() argument
234 if (size >= PSZ_MAX || *compression < 0 || *compression > 3) in set_video_mode_Timon()
246 while (*compression <= 3) { in set_video_mode_Timon()
247 pChoose = &Timon_table[size][fps][*compression]; in set_video_mode_Timon()
250 (*compression)++; in set_video_mode_Timon()
280 int frames, int *compression, int send_to_cam) in set_video_mode_Kiara() argument
285 if (size >= PSZ_MAX || *compression < 0 || *compression > 3) in set_video_mode_Kiara()
296 while (*compression <= 3) { in set_video_mode_Kiara()
[all …]
|
| D | pwc-if.c | 364 int compression = 0; /* 0..3 = uncompressed..high */ in pwc_isoc_init() local
377 pdev->vframes, &compression, 1); in pwc_isoc_init()
403 if (ret == -ENOSPC && compression < 3) { in pwc_isoc_init()
404 compression++; in pwc_isoc_init()
447 if (ret == -ENOSPC && compression < 3) { in pwc_isoc_init()
448 compression++; in pwc_isoc_init()
738 int compression = 0; in usb_pwc_probe() local
1060 V4L2_PIX_FMT_YUV420, 30, &compression, 1); in usb_pwc_probe()
|
| /Linux-v4.19/arch/powerpc/boot/ |
| D | wrapper | 43 compression=.gz
133 compression=.gz
140 compression=".$1"
142 if [ $compression = ".none" ]; then
143 compression=
149 compression=
257 compression=
288 compression=
360 if [ -z "$cacheit" -o ! -f "$vmz$compression" -o "$vmz$compression" -ot "$kernel" ]; then
362 case $compression in
[all …]
|
| /Linux-v4.19/fs/squashfs/ |
| D | Kconfig | 7 filesystem for Linux. It uses zlib, lzo or xz compression to
64 If in doubt, select "Single threaded compression"
67 bool "Single threaded compression"
116 ZLIB compression is the standard compression used by Squashfs
117 file systems. It offers a good trade-off between compression
129 compressed with LZ4 compression. LZ4 compression is mainly
133 LZ4 is not the standard compression used in Squashfs and so most
144 compressed with LZO compression. LZO compression is mainly
148 LZO is not the standard compression used in Squashfs and so most
159 compressed with XZ compression. XZ gives better compression than
[all …]
|
| /Linux-v4.19/fs/jffs2/ |
| D | Kconfig | 8 levelling, compression and support for hard links. You cannot use
100 bool "Advanced compression options for JFFS2"
105 compression modules, if any, are enabled in JFFS2. Removing
113 bool "JFFS2 ZLIB compression support" if JFFS2_COMPRESSION_OPTIONS
120 lossless data-compression library for use on virtually any computer
127 bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
133 minilzo-based compression. Generally works better than Zlib.
139 bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
146 bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
153 prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
[all …]
|
| /Linux-v4.19/drivers/crypto/qat/ |
| D | Kconfig | 21 for accelerating crypto and compression workloads.
32 for accelerating crypto and compression workloads.
43 for accelerating crypto and compression workloads.
56 Virtual Function for accelerating crypto and compression workloads.
68 Virtual Function for accelerating crypto and compression workloads.
80 Virtual Function for accelerating crypto and compression workloads.
|
| /Linux-v4.19/Documentation/blockdev/ |
| D | zram.txt | 8 in memory itself. These disks allow very fast I/O and compression provides
61 2) Set max number of compression streams
63 allocate multiple compression streams - one per online CPUs - thus
64 allowing several concurrent compression operations. The number of
65 allocated compression streams goes down when some of the CPUs
66 become offline. There is no single-compression-stream mode anymore,
72 3) Select compression algorithm
74 currently selected (shown in square brackets) compression algorithms,
75 change selected compression algorithm (once the device is initialised
76 there is no way to change compression algorithm).
[all …]
|
| /Linux-v4.19/Documentation/ |
| D | xz.txt | 2 XZ data compression in Linux
8 XZ is a general purpose data compression format with high compression
9 ratio and relatively fast decompression. The primary compression
11 compression ratio even further. E.g. Branch/Call/Jump (BCJ) filters
12 improve compression ratio of executable data.
21 For userspace, XZ Utils provide a zlib-like compression library
45 from XZ Utils. The wrapper sets compression options to values suitable
56 Notes on compression options
87 use a big dictionary: for maximum compression, the dictionary should
|
| /Linux-v4.19/usr/ |
| D | Kconfig | 110 prompt "Built-in initramfs compression mode"
115 initramfs will be compressed. Several compression algorithms are
116 available, which differ in efficiency, compression and
124 High compression options are mostly useful for users who are
129 compression tool to compress the generated initram cpio file for
149 Use the old and well tested gzip compression algorithm. Gzip provides
150 a good balance between compression ratio and decompression speed and
151 has a reasonable compression speed. It is also more likely to be
159 It's compression ratio and speed is intermediate. Decompression speed
172 This algorithm's compression ratio is best but has a large dictionary
[all …]
|
| /Linux-v4.19/drivers/net/ppp/ |
| D | Kconfig | 38 tristate "PPP BSD-Compress compression"
41 Support for the BSD-Compress compression method for PPP, which uses
42 the LZW compression method to compress each PPP packet before it is
44 (usually your ISP) has to support the BSD-Compress compression
48 The PPP Deflate compression method ("PPP Deflate compression",
52 Note that the BSD compression code will always be compiled as a
57 tristate "PPP Deflate compression"
62 Support for the Deflate compression method for PPP, which uses the
66 Deflate compression method as well for this to be useful. Even if
85 tristate "PPP MPPE compression (encryption)"
|
| /Linux-v4.19/Documentation/vm/ |
| D | z3fold.rst | 9 It is a zbud derivative which allows for higher compression
22 compression ratio goes to around 2.7x while zbud's one is around 1.7x.
28 Keeping effective compression ratio close to zsmalloc's, z3fold doesn't
|
| /Linux-v4.19/drivers/crypto/nx/ |
| D | Kconfig | 20 Support for PowerPC Nest (NX) compression acceleration. This
33 Support for PowerPC Nest (NX) compression acceleration. This
44 Support for PowerPC Nest (NX) compression acceleration. This
|
| /Linux-v4.19/Documentation/media/v4l-drivers/ |
| D | philips.rst | 93 compression (only useful with the plugin)
94 With this option you can control the compression factor that the camera
100 compression.
101 1 = low compression.
102 2 = medium compression.
103 3 = high compression.
105 High compression takes less bandwidth of course, but it could also
106 introduce some unwanted artefacts. The default is 2, medium compression.
108 compression.
110 The compression parameter does not apply to the 645 and 646 cameras
[all …]
|
| D | cpia2.rst | 34 - Some compression parameters are settable.
97 frame rate achieved by the camera. If the compression engine is able to
101 The compression engine starts out at maximum compression, and will
103 as the compression engine can keep up with the frame rate, after a short time
106 At low alternate settings, the compression engine may not be able to
184 compressed as Motion JPEG (JPEGA). The VC controls all of the compression
|
| /Linux-v4.19/drivers/isdn/i4l/ |
| D | Kconfig | 23 bool "Use VJ-compression with synchronous PPP"
26 This enables Van Jacobson header compression for synchronous PPP.
49 tristate "Support BSD compression"
52 Support for the BSD-Compress compression method for PPP, which uses
53 the LZW compression method to compress each PPP packet before it is
55 (usually your ISP) has to support the BSD-Compress compression
|
| /Linux-v4.19/Documentation/networking/ |
| D | ipsec.txt | 21 Small IP datagrams are likely to expand as a result of compression.
22 Therefore, a numeric threshold should be applied before compression,
24 original form without attempting compression. The numeric threshold
|
| /Linux-v4.19/fs/ubifs/ |
| D | Kconfig | 15 bool "Advanced compression options"
25 bool "LZO compression support" if UBIFS_FS_ADVANCED_COMPR
33 bool "ZLIB compression support" if UBIFS_FS_ADVANCED_COMPR
|
| /Linux-v4.19/Documentation/filesystems/ |
| D | squashfs.txt | 5 It uses zlib, lz4, lzo, or xz compression to compress files, inodes and
31 Metadata compression: yes no
70 | compression |
102 Compressors can optionally support compression specific options (e.g.
103 dictionary size). If non-default compression options have been used, then
120 To maximise compression there are different inodes for each file type
124 To further maximise compression, two types of regular file inode and
250 are packed together into blocks (to gain greater compression) the read of a
|
| /Linux-v4.19/net/ieee802154/6lowpan/ |
| D | Kconfig | 5 IPv6 compression over IEEE 802.15.4.
|
| /Linux-v4.19/arch/mips/generic/ |
| D | board-boston.its.S | 8 compression = "none"; define
|
| D | board-ocelot_pcb123.its.S | 9 compression = "none"; define
|
| D | board-xilfpga.its.S | 8 compression = "none"; define
|
| D | board-ni169445.its.S | 8 compression = "none"; define
|
