[DCCP]: Adds the tx buffer sysctls

This one got lost on the way from Ian to Gerrit to me, fix it.

Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

diff --git a/Documentation/networking/dccp.txt b/Documentation/networking/dccp.txt
index 1910d097a0add0edc837a3765f9d1ba2967992f5..dda15886bcb51045ad5168dcafb8e0e5048c6301 100644 (file)
--- a/Documentation/networking/dccp.txt
+++ b/Documentation/networking/dccp.txt
@@ -100,6 +100,10 @@ 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
 =====
 

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index 2e8c5ad8279364779852b5155da5c8b33cb3ab06..61dd99c6c2a561d50d180b1a008dd25ad4e359c5 100644 (file)
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -617,6 +617,7 @@ enum {
        NET_DCCP_DEFAULT_REQ_RETRIES = 7,
        NET_DCCP_DEFAULT_RETRIES1    = 8,
        NET_DCCP_DEFAULT_RETRIES2    = 9,
+       NET_DCCP_DEFAULT_TX_QLEN     = 10,
 };
 
 /* /proc/sys/net/ipx */

diff --git a/net/dccp/sysctl.c b/net/dccp/sysctl.c
index 8b62061e5701f4310099c107046b3c105126e351..4775ba3faa04aff1d473191abd49b282e85d4356 100644 (file)
--- a/net/dccp/sysctl.c
+++ b/net/dccp/sysctl.c
@@ -91,6 +91,15 @@ static struct ctl_table dccp_default_table[] = {
                .mode           = 0644,
                .proc_handler   = proc_dointvec,
        },
+       {
+               .ctl_name       = NET_DCCP_DEFAULT_TX_QLEN,
+               .procname       = "tx_qlen",
+               .data           = &sysctl_dccp_tx_qlen,
+               .maxlen         = sizeof(sysctl_dccp_tx_qlen),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+
        { .ctl_name = 0, }
 };