[CCID3]: Reintroduce ccid3hctx_t_rto

CCID3 keeps this variable in usecs, inet_connection_socks in jiffies,
so to avoid Mars orbiter losses lets reintroduce ccid3hctx_t_rto 8)

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 6 insertions, 5 deletions

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 694149061b8b..ffd5b449f5f1 100644
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -905,7 +905,7 @@ static void ccid3_hc_tx_no_feedback_timer(unsigned long data)
                         hctx->ccid3hctx_x = 10;
                 }
                 /* Schedule no feedback timer to expire in max(4 * R, 2 * s / X) */
-                next_tmout = max_t(u32, inet_csk(sk)->icsk_rto, 
+                next_tmout = max_t(u32, hctx->ccid3hctx_t_rto, 
                                    2 * (hctx->ccid3hctx_s * 100000) / (hctx->ccid3hctx_x / 10));
                 break;
         default:
@@ -1180,8 +1180,8 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
                                r_sample);
 
                 /* Update timeout interval */
-                inet_csk(sk)->icsk_rto = max_t(u32, 4 * hctx->ccid3hctx_rtt,
-                                               USEC_PER_SEC);
+                hctx->ccid3hctx_t_rto = max_t(u32, 4 * hctx->ccid3hctx_rtt,
+                                              USEC_PER_SEC);
 
                 /* Update receive rate */
                 hctx->ccid3hctx_x_recv = x_recv;   /* x_recv in bytes per second */
@@ -1227,7 +1227,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
                 /* to prevent divide by zero below */
 
                 /* Schedule no feedback timer to expire in max(4 * R, 2 * s / X) */
-                next_tmout = max(inet_csk(sk)->icsk_rto,
+                next_tmout = max(hctx->ccid3hctx_t_rto,
                                  (2 * (hctx->ccid3hctx_s * 100000) /
                                   (hctx->ccid3hctx_x / 10)));
                 /* maths with 100000 and 10 is to prevent overflow with 32 bit */
@@ -1340,7 +1340,7 @@ static int ccid3_hc_tx_init(struct sock *sk)
 
         hctx->ccid3hctx_x     = hctx->ccid3hctx_s; /* set transmission rate to 1 packet per second */
         hctx->ccid3hctx_rtt   = 4; /* See ccid3_hc_tx_packet_sent win_count calculatation */
-        inet_csk(sk)->icsk_rto = USEC_PER_SEC;
+        hctx->ccid3hctx_t_rto = USEC_PER_SEC;
         hctx->ccid3hctx_state = TFRC_SSTATE_NO_SENT;
         INIT_LIST_HEAD(&hctx->ccid3hctx_hist);
         init_timer(&hctx->ccid3hctx_no_feedback_timer);
diff --git a/net/dccp/ccids/ccid3.h b/net/dccp/ccids/ccid3.h
index d2705fb74195..5ef72cda7cd7 100644
--- a/net/dccp/ccids/ccid3.h
+++ b/net/dccp/ccids/ccid3.h
@@ -80,6 +80,7 @@ struct ccid3_hc_tx_sock {
         struct timer_list               ccid3hctx_no_feedback_timer;
         struct timeval                  ccid3hctx_t_ld;
         struct timeval                  ccid3hctx_t_nom;
+        u32                             ccid3hctx_t_rto;
         u32                             ccid3hctx_t_ipi;
         u32                             ccid3hctx_delta;
         struct list_head                ccid3hctx_hist;