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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 14:40:58 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 14:40:58 -0400
commit80cc38b16389849a6e06441ace4530f6b2497c3c (patch)
tree1dabc02b0a1faa6b640de20e38aa31bb5d0c443f /Documentation/networking
parent3366dd9fa887ebbda4872e9554f853eaeda764be (diff)
parent83a35e360433b58791bc9c4e288cace466d62e3a (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina: "The usual stuff from trivial tree" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits) treewide: relase -> release Documentation/cgroups/memory.txt: fix stat file documentation sysctl/net.txt: delete reference to obsolete 2.4.x kernel spinlock_api_smp.h: fix preprocessor comments treewide: Fix typo in printk doc: device tree: clarify stuff in usage-model.txt. open firmware: "/aliasas" -> "/aliases" md: bcache: Fixed a typo with the word 'arithmetic' irq/generic-chip: fix a few kernel-doc entries frv: Convert use of typedef ctl_table to struct ctl_table sgi: xpc: Convert use of typedef ctl_table to struct ctl_table doc: clk: Fix incorrect wording Documentation/arm/IXP4xx fix a typo Documentation/networking/ieee802154 fix a typo Documentation/DocBook/media/v4l fix a typo Documentation/video4linux/si476x.txt fix a typo Documentation/virtual/kvm/api.txt fix a typo Documentation/early-userspace/README fix a typo Documentation/video4linux/soc-camera.txt fix a typo lguest: fix CONFIG_PAE -> CONFIG_x86_PAE in comment ...
Diffstat (limited to 'Documentation/networking')
-rw-r--r--Documentation/networking/ieee802154.txt2
-rw-r--r--Documentation/networking/ip-sysctl.txt2
-rw-r--r--Documentation/networking/netlink_mmap.txt12
3 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/networking/ieee802154.txt b/Documentation/networking/ieee802154.txt
index 67a9cb259d40..09eb57329f11 100644
--- a/Documentation/networking/ieee802154.txt
+++ b/Documentation/networking/ieee802154.txt
@@ -5,7 +5,7 @@
5Introduction 5Introduction
6============ 6============
7The IEEE 802.15.4 working group focuses on standartization of bottom 7The IEEE 802.15.4 working group focuses on standartization of bottom
8two layers: Medium Accsess Control (MAC) and Physical (PHY). And there 8two layers: Medium Access Control (MAC) and Physical (PHY). And there
9are mainly two options available for upper layers: 9are mainly two options available for upper layers:
10 - ZigBee - proprietary protocol from ZigBee Alliance 10 - ZigBee - proprietary protocol from ZigBee Alliance
11 - 6LowPAN - IPv6 networking over low rate personal area networks 11 - 6LowPAN - IPv6 networking over low rate personal area networks
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 3458d6343e01..aa68f3c630c0 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -183,7 +183,7 @@ tcp_early_retrans - INTEGER
183 for triggering fast retransmit when the amount of outstanding data is 183 for triggering fast retransmit when the amount of outstanding data is
184 small and when no previously unsent data can be transmitted (such 184 small and when no previously unsent data can be transmitted (such
185 that limited transmit could be used). Also controls the use of 185 that limited transmit could be used). Also controls the use of
186 Tail loss probe (TLP) that converts RTOs occuring due to tail 186 Tail loss probe (TLP) that converts RTOs occurring due to tail
187 losses into fast recovery (draft-dukkipati-tcpm-tcp-loss-probe-01). 187 losses into fast recovery (draft-dukkipati-tcpm-tcp-loss-probe-01).
188 Possible values: 188 Possible values:
189 0 disables ER 189 0 disables ER
diff --git a/Documentation/networking/netlink_mmap.txt b/Documentation/networking/netlink_mmap.txt
index 1c2dab409625..9bd0f5211e9a 100644
--- a/Documentation/networking/netlink_mmap.txt
+++ b/Documentation/networking/netlink_mmap.txt
@@ -54,7 +54,7 @@ it will use an allocated socket buffer as usual and the contents will be
54 copied to the ring on transmission, nullifying most of the performance gains. 54 copied to the ring on transmission, nullifying most of the performance gains.
55Dumps of kernel databases automatically support memory mapped I/O. 55Dumps of kernel databases automatically support memory mapped I/O.
56 56
57Conversion of the transmit path involves changing message contruction to 57Conversion of the transmit path involves changing message construction to
58use memory from the TX ring instead of (usually) a buffer declared on the 58use memory from the TX ring instead of (usually) a buffer declared on the
59stack and setting up the frame header approriately. Optionally poll() can 59stack and setting up the frame header approriately. Optionally poll() can
60be used to wait for free frames in the TX ring. 60be used to wait for free frames in the TX ring.
@@ -65,8 +65,8 @@ Structured and definitions for using memory mapped I/O are contained in
65RX and TX rings 65RX and TX rings
66---------------- 66----------------
67 67
68Each ring contains a number of continous memory blocks, containing frames of 68Each ring contains a number of continuous memory blocks, containing frames of
69fixed size dependant on the parameters used for ring setup. 69fixed size dependent on the parameters used for ring setup.
70 70
71Ring: [ block 0 ] 71Ring: [ block 0 ]
72 [ frame 0 ] 72 [ frame 0 ]
@@ -80,7 +80,7 @@ Ring: [ block 0 ]
80 [ frame 2 * n + 1 ] 80 [ frame 2 * n + 1 ]
81 81
82The blocks are only visible to the kernel, from the point of view of user-space 82The blocks are only visible to the kernel, from the point of view of user-space
83the ring just contains the frames in a continous memory zone. 83the ring just contains the frames in a continuous memory zone.
84 84
85The ring parameters used for setting up the ring are defined as follows: 85The ring parameters used for setting up the ring are defined as follows:
86 86
@@ -91,7 +91,7 @@ struct nl_mmap_req {
91 unsigned int nm_frame_nr; 91 unsigned int nm_frame_nr;
92}; 92};
93 93
94Frames are grouped into blocks, where each block is a continous region of memory 94Frames are grouped into blocks, where each block is a continuous region of memory
95and holds nm_block_size / nm_frame_size frames. The total number of frames in 95and holds nm_block_size / nm_frame_size frames. The total number of frames in
96the ring is nm_frame_nr. The following invariants hold: 96the ring is nm_frame_nr. The following invariants hold:
97 97
@@ -113,7 +113,7 @@ Some parameters are constrained, specifically:
113 113
114- nm_frame_nr must equal the actual number of frames as specified above. 114- nm_frame_nr must equal the actual number of frames as specified above.
115 115
116When the kernel can't allocate phsyically continous memory for a ring block, 116When the kernel can't allocate physically continuous memory for a ring block,
117it will fall back to use physically discontinous memory. This might affect 117it will fall back to use physically discontinous memory. This might affect
118performance negatively, in order to avoid this the nm_frame_size parameter 118performance negatively, in order to avoid this the nm_frame_size parameter
119should be chosen to be as small as possible for the required frame size and 119should be chosen to be as small as possible for the required frame size and