async_tx: fix dma_wait_for_async_tx

[linux-2.6-omap-h63xx.git] / Documentation / networking / dccp.txt

diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index 1910d097a0add0edc837a3765f9d1ba2967992f5..4504cc59e40571433c3120a18620aeec5668a4e4 100644 (file)
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -19,7 +19,8 @@ for real time and multimedia traffic.
 
 It has a base protocol and pluggable congestion control IDs (CCIDs).
 
-It is at experimental RFC status and the homepage for DCCP as a protocol is at:
+It is at proposed standard RFC status and the homepage for DCCP as a protocol
+is at:
        http://www.read.cs.ucla.edu/dccp/
 
 Missing features
@@ -34,9 +35,6 @@ The known bugs are at:
 Socket options
 ==============
 
-DCCP_SOCKOPT_PACKET_SIZE is used for CCID3 to set default packet size for
-calculations.
-
 DCCP_SOCKOPT_SERVICE sets the service. The specification mandates use of
 service codes (RFC 4340, sec. 8.1.2); if this socket option is not set,
 the socket will fall back to 0 (which means that no meaningful service code
@@ -59,6 +57,16 @@ DCCP_SOCKOPT_SEND_CSCOV is for the receiver and has a different meaning: it
        coverage value are also acceptable. The higher the number, the more
        restrictive this setting (see [RFC 4340, sec. 9.2.1]).
 
+The following two options apply to CCID 3 exclusively and are getsockopt()-only.
+In either case, a TFRC info struct (defined in <linux/tfrc.h>) is returned.
+DCCP_SOCKOPT_CCID_RX_INFO
+       Returns a `struct tfrc_rx_info' in optval; the buffer for optval and
+       optlen must be set to at least sizeof(struct tfrc_rx_info).
+DCCP_SOCKOPT_CCID_TX_INFO
+       Returns a `struct tfrc_tx_info' in optval; the buffer for optval and
+       optlen must be set to at least sizeof(struct tfrc_tx_info).
+
+
 Sysctl variables
 ================
 Several DCCP default parameters can be managed by the following sysctls
@@ -100,6 +108,10 @@ rx_ccid = 2
 seq_window = 100
        The initial sequence window (sec. 7.5.2).
 
+tx_qlen = 5
+       The size of the transmit buffer in packets. A value of 0 corresponds
+       to an unbounded transmit buffer.
+
 Notes
 =====