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authorWolfram Sang <wsa@the-dreams.de>2014-06-17 14:36:41 +0200
committerWolfram Sang <wsa@the-dreams.de>2014-06-17 14:37:31 +0200
commitf0b1f6442b5090fed3529cb39f3acf8c91693d3d (patch)
treebc5f62b017a82161c9a7f892f464813f6efd5bf3 /Documentation/networking/bonding.txt
parenti2c: sun6-p2wi: fix call to snprintf (diff)
parentLinux 3.16-rc1 (diff)
downloadlinux-f0b1f6442b5090fed3529cb39f3acf8c91693d3d.tar.xz
linux-f0b1f6442b5090fed3529cb39f3acf8c91693d3d.zip
Merge tag 'v3.16-rc1' into i2c/for-next
Merge a stable base (Linux 3.16-rc1) Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'Documentation/networking/bonding.txt')
-rw-r--r--Documentation/networking/bonding.txt44
1 files changed, 36 insertions, 8 deletions
diff --git a/Documentation/networking/bonding.txt b/Documentation/networking/bonding.txt
index a383c00392d0..9c723ecd0025 100644
--- a/Documentation/networking/bonding.txt
+++ b/Documentation/networking/bonding.txt
@@ -585,13 +585,19 @@ mode
balance-tlb or 5
Adaptive transmit load balancing: channel bonding that
- does not require any special switch support. The
- outgoing traffic is distributed according to the
- current load (computed relative to the speed) on each
- slave. Incoming traffic is received by the current
- slave. If the receiving slave fails, another slave
- takes over the MAC address of the failed receiving
- slave.
+ does not require any special switch support.
+
+ In tlb_dynamic_lb=1 mode; the outgoing traffic is
+ distributed according to the current load (computed
+ relative to the speed) on each slave.
+
+ In tlb_dynamic_lb=0 mode; the load balancing based on
+ current load is disabled and the load is distributed
+ only using the hash distribution.
+
+ Incoming traffic is received by the current slave.
+ If the receiving slave fails, another slave takes over
+ the MAC address of the failed receiving slave.
Prerequisite:
@@ -736,6 +742,28 @@ primary_reselect
This option was added for bonding version 3.6.0.
+tlb_dynamic_lb
+
+ Specifies if dynamic shuffling of flows is enabled in tlb
+ mode. The value has no effect on any other modes.
+
+ The default behavior of tlb mode is to shuffle active flows across
+ slaves based on the load in that interval. This gives nice lb
+ characteristics but can cause packet reordering. If re-ordering is
+ a concern use this variable to disable flow shuffling and rely on
+ load balancing provided solely by the hash distribution.
+ xmit-hash-policy can be used to select the appropriate hashing for
+ the setup.
+
+ The sysfs entry can be used to change the setting per bond device
+ and the initial value is derived from the module parameter. The
+ sysfs entry is allowed to be changed only if the bond device is
+ down.
+
+ The default value is "1" that enables flow shuffling while value "0"
+ disables it. This option was added in bonding driver 3.7.1
+
+
updelay
Specifies the time, in milliseconds, to wait before enabling a
@@ -769,7 +797,7 @@ use_carrier
xmit_hash_policy
Selects the transmit hash policy to use for slave selection in
- balance-xor and 802.3ad modes. Possible values are:
+ balance-xor, 802.3ad, and tlb modes. Possible values are:
layer2