Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645

[firefly-linux-kernel-4.4.55.git] / Documentation / networking / ip-sysctl.txt

diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index 5fae7704daab292cf900158666c2d4bb80dd2424..ebe94f2cab9811e62f0ea1d64c0d6c75838d0367 100644 (file)
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -586,6 +586,21 @@ tcp_min_tso_segs - INTEGER
        if available window is too small.
        Default: 2
 
+tcp_pacing_ss_ratio - INTEGER
+       sk->sk_pacing_rate is set by TCP stack using a ratio applied
+       to current rate. (current_rate = cwnd * mss / srtt)
+       If TCP is in slow start, tcp_pacing_ss_ratio is applied
+       to let TCP probe for bigger speeds, assuming cwnd can be
+       doubled every other RTT.
+       Default: 200
+
+tcp_pacing_ca_ratio - INTEGER
+       sk->sk_pacing_rate is set by TCP stack using a ratio applied
+       to current rate. (current_rate = cwnd * mss / srtt)
+       If TCP is in congestion avoidance phase, tcp_pacing_ca_ratio
+       is applied to conservatively probe for bigger throughput.
+       Default: 120
+
 tcp_tso_win_divisor - INTEGER
        This allows control over what percentage of the congestion window
        can be consumed by a single TSO frame.
@@ -1181,6 +1196,16 @@ tag - INTEGER
        Allows you to write a number, which can be used as required.
        Default value is 0.
 
+xfrm4_gc_thresh - INTEGER
+       The threshold at which we will start garbage collecting for IPv4
+       destination cache entries.  At twice this value the system will
+       refuse new allocations.
+
+igmp_link_local_mcast_reports - BOOLEAN
+       Enable IGMP reports for link local multicast groups in the
+       224.0.0.X range.
+       Default TRUE
+
 Alexey Kuznetsov.
 kuznet@ms2.inr.ac.ru
 
@@ -1215,14 +1240,20 @@ flowlabel_consistency - BOOLEAN
        FALSE: disabled
        Default: TRUE
 
-auto_flowlabels - BOOLEAN
-       Automatically generate flow labels based based on a flow hash
-       of the packet. This allows intermediate devices, such as routers,
-       to idenfify packet flows for mechanisms like Equal Cost Multipath
+auto_flowlabels - INTEGER
+       Automatically generate flow labels based on a flow hash of the
+       packet. This allows intermediate devices, such as routers, to
+       identify packet flows for mechanisms like Equal Cost Multipath
        Routing (see RFC 6438).
-       TRUE: enabled
-       FALSE: disabled
-       Default: false
+       0: automatic flow labels are completely disabled
+       1: automatic flow labels are enabled by default, they can be
+          disabled on a per socket basis using the IPV6_AUTOFLOWLABEL
+          socket option
+       2: automatic flow labels are allowed, they may be enabled on a
+          per socket basis using the IPV6_AUTOFLOWLABEL socket option
+       3: automatic flow labels are enabled and enforced, they cannot
+          be disabled by the socket option
+       Default: 1
 
 flowlabel_state_ranges - BOOLEAN
        Split the flow label number space into two ranges. 0-0x7FFFF is
@@ -1340,6 +1371,14 @@ accept_ra_from_local - BOOLEAN
           disabled if accept_ra_from_local is disabled
                on a specific interface.
 
+accept_ra_min_hop_limit - INTEGER
+       Minimum hop limit Information in Router Advertisement.
+
+       Hop limit Information in Router Advertisement less than this
+       variable shall be ignored.
+
+       Default: 1
+
 accept_ra_pinfo - BOOLEAN
        Learn Prefix Information in Router Advertisement.
 
@@ -1435,6 +1474,11 @@ mtu - INTEGER
        Default Maximum Transfer Unit
        Default: 1280 (IPv6 required minimum)
 
+ip_nonlocal_bind - BOOLEAN
+       If set, allows processes to bind() to non-local IPv6 addresses,
+       which can be quite useful - but may break some applications.
+       Default: 0
+
 router_probe_interval - INTEGER
        Minimum interval (in seconds) between Router Probing described
        in RFC4191.
@@ -1455,6 +1499,13 @@ router_solicitations - INTEGER
        routers are present.
        Default: 3
 
+use_oif_addrs_only - BOOLEAN
+       When enabled, the candidate source addresses for destinations
+       routed via this interface are restricted to the set of addresses
+       configured on this interface (vis. RFC 6724, section 4).
+
+       Default: false
+
 use_tempaddr - INTEGER
        Preference for Privacy Extensions (RFC3041).
          <= 0 : disable Privacy Extensions
@@ -1591,6 +1642,11 @@ ratelimit - INTEGER
        otherwise the minimal space between responses in milliseconds.
        Default: 1000
 
+xfrm6_gc_thresh - INTEGER
+       The threshold at which we will start garbage collecting for IPv6
+       destination cache entries.  At twice this value the system will
+       refuse new allocations.
+
 
 IPv6 Update by:
 Pekka Savola <pekkas@netcore.fi>