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-rw-r--r--net/dccp/ccids/ccid3.c18
-rw-r--r--net/dccp/ccids/ccid3.h2
2 files changed, 10 insertions, 10 deletions
diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 6777a7f33a9..9297fca7868 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -154,16 +154,14 @@ static void ccid3_hc_tx_update_x(struct sock *sk)
static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
{
struct sock *sk = (struct sock *)data;
- unsigned long next_tmout = 0;
struct ccid3_hc_tx_sock *hctx = ccid3_hc_tx_sk(sk);
+ unsigned long next_tmout = USEC_PER_SEC / 5;
bh_lock_sock(sk);
if (sock_owned_by_user(sk)) {
/* Try again later. */
/* XXX: set some sensible MIB */
- sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
- jiffies + HZ / 5);
- goto out;
+ goto restart_timer;
}
ccid3_pr_debug("%s, sk=%p, state=%s\n", dccp_role(sk), sk,
@@ -183,9 +181,9 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
dccp_role(sk), sk,
ccid3_tx_state_name(hctx->ccid3hctx_state),
hctx->ccid3hctx_x);
- next_tmout = max_t(u32, 2 * usecs_div(hctx->ccid3hctx_s,
- hctx->ccid3hctx_x),
- TFRC_INITIAL_TIMEOUT);
+ /* The value of R is still undefined and so we can not recompute
+ * the timout value. Keep initial value as per [RFC 4342, 5]. */
+ next_tmout = TFRC_INITIAL_TIMEOUT;
/*
* FIXME - not sure above calculation is correct. See section
* 5 of CCID3 11 should adjust tx_t_ipi and double that to
@@ -239,9 +237,11 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
goto out;
}
- sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
- jiffies + max_t(u32, 1, usecs_to_jiffies(next_tmout)));
hctx->ccid3hctx_idle = 1;
+
+restart_timer:
+ sk_reset_timer(sk, &hctx->ccid3hctx_no_feedback_timer,
+ jiffies + usecs_to_jiffies(next_tmout));
out:
bh_unlock_sock(sk);
sock_put(sk);
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index 462165234ff..970921700ce 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -46,7 +46,7 @@
#define TFRC_STD_PACKET_SIZE 256
#define TFRC_MAX_PACKET_SIZE 65535
-/* Two seconds as per CCID3 spec */
+/* Two seconds as per RFC 3448 4.2 */
#define TFRC_INITIAL_TIMEOUT (2 * USEC_PER_SEC)
/* In usecs - half the scheduling granularity as per RFC3448 4.6 */