From: Andy Grover <andy.gro...@oracle.com>
Date: Tue, 24 Nov 2009 15:35:51 -0800

Although RDS has an official PF_RDS value now, existing software
expects to look for rds sysctls to determine it. We need to maintain
these for now, for backwards compatibility.

Signed-off-by: Andy Grover <andy.gro...@oracle.com>
Signed-off-by: Gerd Rausch <gerd.rau...@oracle.com>
---
 net/rds/sysctl.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/net/rds/sysctl.c b/net/rds/sysctl.c
index e381bbcd9cc1..9760292a0af4 100644
--- a/net/rds/sysctl.c
+++ b/net/rds/sysctl.c
@@ -49,6 +49,13 @@ unsigned int  rds_sysctl_max_unacked_bytes = (16 << 20);
 
 unsigned int rds_sysctl_ping_enable = 1;
 
+/*
+ * We have official values, but must maintain the sysctl interface for existing
+ * software that expects to find these values here.
+ */
+static int rds_sysctl_pf_rds = PF_RDS;
+static int rds_sysctl_sol_rds = SOL_RDS;
+
 static struct ctl_table rds_sysctl_rds_table[] = {
        {
                .procname       = "reconnect_min_delay_ms",
@@ -68,6 +75,20 @@ static struct ctl_table rds_sysctl_rds_table[] = {
                .extra1         = &rds_sysctl_reconnect_min_jiffies,
                .extra2         = &rds_sysctl_reconnect_max,
        },
+       {
+               .procname       = "pf_rds",
+               .data           = &rds_sysctl_pf_rds,
+               .maxlen         = sizeof(int),
+               .mode           = 0444,
+               .proc_handler   = &proc_dointvec,
+       },
+       {
+               .procname       = "sol_rds",
+               .data           = &rds_sysctl_sol_rds,
+               .maxlen         = sizeof(int),
+               .mode           = 0444,
+               .proc_handler   = &proc_dointvec,
+       },
        {
                .procname       = "max_unacked_packets",
                .data           = &rds_sysctl_max_unacked_packets,
-- 
2.22.0


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