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authorDavid Howells <dhowells@redhat.com>2014-02-07 18:58:44 +0000
committerDavid Howells <dhowells@redhat.com>2014-02-26 17:25:06 +0000
commit5873c0834f8896aa9da338b941035a2f8b29e99b (patch)
tree4faf1ab1a7f95be86c5d9d775b82b6d01012c9a5 /net/rxrpc/ar-connection.c
parent6c9a2d3202973a0266beabc5274c3e67dad5db96 (diff)
af_rxrpc: Add sysctls for configuring RxRPC parameters
Add sysctls for configuring RxRPC protocol handling, specifically controls on delays before ack generation, the delay before resending a packet, the maximum lifetime of a call and the expiration times of calls, connections and transports that haven't been recently used. More info added in Documentation/networking/rxrpc.txt. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/ar-connection.c')
-rw-r--r--net/rxrpc/ar-connection.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 7bf5b5b9e8b..6631f4f1e39 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -18,11 +18,15 @@
#include <net/af_rxrpc.h>
#include "ar-internal.h"
+/*
+ * Time till a connection expires after last use (in seconds).
+ */
+unsigned rxrpc_connection_expiry = 10 * 60;
+
static void rxrpc_connection_reaper(struct work_struct *work);
LIST_HEAD(rxrpc_connections);
DEFINE_RWLOCK(rxrpc_connection_lock);
-static unsigned long rxrpc_connection_timeout = 10 * 60;
static DECLARE_DELAYED_WORK(rxrpc_connection_reap, rxrpc_connection_reaper);
/*
@@ -862,7 +866,7 @@ static void rxrpc_connection_reaper(struct work_struct *work)
spin_lock(&conn->trans->client_lock);
write_lock(&conn->trans->conn_lock);
- reap_time = conn->put_time + rxrpc_connection_timeout;
+ reap_time = conn->put_time + rxrpc_connection_expiry;
if (atomic_read(&conn->usage) > 0) {
;
@@ -916,7 +920,7 @@ void __exit rxrpc_destroy_all_connections(void)
{
_enter("");
- rxrpc_connection_timeout = 0;
+ rxrpc_connection_expiry = 0;
cancel_delayed_work(&rxrpc_connection_reap);
rxrpc_queue_delayed_work(&rxrpc_connection_reap, 0);