[CCID 3]: Add documentation for socket options This updates the documentation on CCID3-specific options. Signed-off-by: Gerrit Renker <gerrit@xxxxxxxxxxxxxx> --- Documentation/networking/dccp.txt | 10 ++++++++++ 1 file changed, 10 insertions(+) --- a/Documentation/networking/dccp.txt +++ b/Documentation/networking/dccp.txt @@ -57,6 +57,16 @@ DCCP_SOCKOPT_SEND_CSCOV is for the recei 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 - To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
