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-rw-r--r--Documentation/networking/dccp.txt5
1 files changed, 3 insertions, 2 deletions
diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index fc8b4fa0b141..afb66f9a8aff 100644
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -55,12 +55,13 @@ be enabled at the receiver, too with suitable choice of CsCov.
55DCCP_SOCKOPT_SEND_CSCOV sets the sender checksum coverage. Values in the 55DCCP_SOCKOPT_SEND_CSCOV sets the sender checksum coverage. Values in the
56 range 0..15 are acceptable. The default setting is 0 (full coverage), 56 range 0..15 are acceptable. The default setting is 0 (full coverage),
57 values between 1..15 indicate partial coverage. 57 values between 1..15 indicate partial coverage.
58DCCP_SOCKOPT_SEND_CSCOV is for the receiver and has a different meaning: it 58DCCP_SOCKOPT_RECV_CSCOV is for the receiver and has a different meaning: it
59 sets a threshold, where again values 0..15 are acceptable. The default 59 sets a threshold, where again values 0..15 are acceptable. The default
60 of 0 means that all packets with a partial coverage will be discarded. 60 of 0 means that all packets with a partial coverage will be discarded.
61 Values in the range 1..15 indicate that packets with minimally such a 61 Values in the range 1..15 indicate that packets with minimally such a
62 coverage value are also acceptable. The higher the number, the more 62 coverage value are also acceptable. The higher the number, the more
63 restrictive this setting (see [RFC 4340, sec. 9.2.1]). 63 restrictive this setting (see [RFC 4340, sec. 9.2.1]). Partial coverage
64 settings are inherited to the child socket after accept().
64 65
65The following two options apply to CCID 3 exclusively and are getsockopt()-only. 66The following two options apply to CCID 3 exclusively and are getsockopt()-only.
66In either case, a TFRC info struct (defined in <linux/tfrc.h>) is returned. 67In either case, a TFRC info struct (defined in <linux/tfrc.h>) is returned.