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authorOlof Johansson <olof@lixom.net>2012-09-20 13:19:32 -0700
committerOlof Johansson <olof@lixom.net>2012-09-20 13:22:20 -0700
commit2843c7d2c03da38dfb14102254d0c767d2483349 (patch)
tree8698671fd889ed9d6237cf9ea093e8bb1fc999b3 /net/ipv4/tcp_input.c
parent084cfebc03ede864835594181210b501aa9f1933 (diff)
parent6bfc82ff589a00e5fbc12b958c649d703d273c86 (diff)
Merge tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Device tree related changes for omaps. Note that this branch is based on omap-cleanup-sparseirq-for-v3.7 to avoid merge conflicts with the sparseirq changes for gpio-twl4030 driver. * tag 'omap-devel-dt-merged-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: arm/dts: Mux uart pins for omap4-sdp ARM: OMAP2+: select PINCTRL in Kconfig arm/dts: Add pinctrl driver entries for omap2/3/4 arm/dts: Add omap36xx.dtsi file and rename omap3-beagle to omap3-beagle-xm ARM: dts: omap3-overo: Add support for the blue LED Documentation: dt: Update the OMAP documentation with Overo/Toby ARM: dts: OMAP3: Add support for Gumstix Overo with Tobi expansion board ARM: dts: OMAP4: Add reg and interrupts for every nodes ARM: dts: AM33XX: Specify reg and interrupt property for all nodes ARM: dts: AM33XX: Convert all hex numbers to lower-case ARM: dts: omap3-beagle: Enable audio support ARM: dts: omap5: Add McPDM and DMIC section to the dtsi file ARM: dts: omap5: Add McBSP entries ARM: dts: omap4: Add reg-names for McPDM and DMIC ARM: dts: omap4: Add McBSP entries ARM: dts: omap3: Add McBSP entries ARM: dts: omap2420-h4: Include omap2420.dtsi file instead the common omap2 ARM: dts: omap2: Add McBSP entries for OMAP2420 and OMAP2430 SoC ARM: dts: omap3-beagle: Add heartbeat and mmc LEDs support ARM: dts: omap3: Add gpio-twl4030 properties for BeagleBoard and omap3-EVM ...
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 85308b90df8..6e38c6c23ca 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2926,13 +2926,14 @@ static void tcp_enter_recovery(struct sock *sk, bool ece_ack)
* tcp_xmit_retransmit_queue().
*/
static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked,
- int newly_acked_sacked, bool is_dupack,
+ int prior_sacked, bool is_dupack,
int flag)
{
struct inet_connection_sock *icsk = inet_csk(sk);
struct tcp_sock *tp = tcp_sk(sk);
int do_lost = is_dupack || ((flag & FLAG_DATA_SACKED) &&
(tcp_fackets_out(tp) > tp->reordering));
+ int newly_acked_sacked = 0;
int fast_rexmit = 0;
if (WARN_ON(!tp->packets_out && tp->sacked_out))
@@ -2992,6 +2993,7 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked,
tcp_add_reno_sack(sk);
} else
do_lost = tcp_try_undo_partial(sk, pkts_acked);
+ newly_acked_sacked = pkts_acked + tp->sacked_out - prior_sacked;
break;
case TCP_CA_Loss:
if (flag & FLAG_DATA_ACKED)
@@ -3013,6 +3015,7 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked,
if (is_dupack)
tcp_add_reno_sack(sk);
}
+ newly_acked_sacked = pkts_acked + tp->sacked_out - prior_sacked;
if (icsk->icsk_ca_state <= TCP_CA_Disorder)
tcp_try_undo_dsack(sk);
@@ -3590,7 +3593,6 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
int prior_packets;
int prior_sacked = tp->sacked_out;
int pkts_acked = 0;
- int newly_acked_sacked = 0;
bool frto_cwnd = false;
/* If the ack is older than previous acks
@@ -3666,8 +3668,6 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
flag |= tcp_clean_rtx_queue(sk, prior_fackets, prior_snd_una);
pkts_acked = prior_packets - tp->packets_out;
- newly_acked_sacked = (prior_packets - prior_sacked) -
- (tp->packets_out - tp->sacked_out);
if (tp->frto_counter)
frto_cwnd = tcp_process_frto(sk, flag);
@@ -3681,7 +3681,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
tcp_may_raise_cwnd(sk, flag))
tcp_cong_avoid(sk, ack, prior_in_flight);
is_dupack = !(flag & (FLAG_SND_UNA_ADVANCED | FLAG_NOT_DUP));
- tcp_fastretrans_alert(sk, pkts_acked, newly_acked_sacked,
+ tcp_fastretrans_alert(sk, pkts_acked, prior_sacked,
is_dupack, flag);
} else {
if ((flag & FLAG_DATA_ACKED) && !frto_cwnd)
@@ -3698,7 +3698,7 @@ static int tcp_ack(struct sock *sk, const struct sk_buff *skb, int flag)
no_queue:
/* If data was DSACKed, see if we can undo a cwnd reduction. */
if (flag & FLAG_DSACKING_ACK)
- tcp_fastretrans_alert(sk, pkts_acked, newly_acked_sacked,
+ tcp_fastretrans_alert(sk, pkts_acked, prior_sacked,
is_dupack, flag);
/* If this ack opens up a zero window, clear backoff. It was
* being used to time the probes, and is probably far higher than
@@ -3718,8 +3718,7 @@ old_ack:
*/
if (TCP_SKB_CB(skb)->sacked) {
flag |= tcp_sacktag_write_queue(sk, skb, prior_snd_una);
- newly_acked_sacked = tp->sacked_out - prior_sacked;
- tcp_fastretrans_alert(sk, pkts_acked, newly_acked_sacked,
+ tcp_fastretrans_alert(sk, pkts_acked, prior_sacked,
is_dupack, flag);
}