Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Pull networking fixes from David Miller:

 1) Fix netpoll OOPS in r8169, from Ville Syrjälä.

 2) Fix bpf instruction alignment on powerpc et al., from Eric Dumazet.

 3) Don't ignore IFLA_MTU attribute when creating new ipvlan links. From
    Xin Long.

 4) Fix use after free in AF_PACKET, from Eric Dumazet.

 5) Mis-matched RTNL unlock in xen-netfront, from Ross Lagerwall.

 6) Fix VSOCK loopback on big-endian, from Claudio Imbrenda.

 7) Missing RX buffer offset correction when computing DMA addresses in
    mvneta driver, from Antoine Tenart.

 8) Fix crashes in DCCP's ccid3_hc_rx_send_feedback, from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
  sfc: make function efx_rps_hash_bucket static
  strparser: Corrected typo in documentation.
  qmi_wwan: add support for the Dell Wireless 5821e module
  cxgb4: when disabling dcb set txq dcb priority to 0
  net_sched: remove a bogus warning in hfsc
  net: dccp: switch rx_tstamp_last_feedback to monotonic clock
  net: dccp: avoid crash in ccid3_hc_rx_send_feedback()
  net: Remove depends on HAS_DMA in case of platform dependency
  MAINTAINERS: Add file patterns for dsa device tree bindings
  net: mscc: make sparse happy
  net: mvneta: fix the Rx desc DMA address in the Rx path
  Documentation: e1000: Fix docs build error
  Documentation: e100: Fix docs build error
  Documentation: e1000: Use correct heading adornment
  Documentation: e100: Use correct heading adornment
  ipv6: mcast: fix unsolicited report interval after receiving querys
  vhost_net: validate sock before trying to put its fd
  VSOCK: fix loopback on big-endian systems
  net: ethernet: ti: davinci_cpdma: make function cpdma_desc_pool_create static
  xen-netfront: Update features after registering netdev
  ...

net/bpfilter/Makefile

@@ -22,7 +22,7 @@ endif
 quiet_cmd_copy_umh = GEN $@
       cmd_copy_umh = echo ':' > $(obj)/.bpfilter_umh.o.cmd; \
       $(OBJCOPY) -I binary \
-          `LC_ALL=C objdump -f net/bpfilter/bpfilter_umh \
+          `LC_ALL=C $(OBJDUMP) -f net/bpfilter/bpfilter_umh \
           |awk -F' |,' '/file format/{print "-O",$$NF} \
           /^architecture:/{print "-B",$$2}'` \
       --rename-section .data=.init.rodata $< $@

net/dccp/ccids/ccid3.c

@@ -600,7 +600,7 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 {
 	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
 	struct dccp_sock *dp = dccp_sk(sk);
-	ktime_t now = ktime_get_real();
+	ktime_t now = ktime_get();
 	s64 delta = 0;
 
 	switch (fbtype) {
@@ -625,15 +625,14 @@ static void ccid3_hc_rx_send_feedback(struct sock *sk,
 	case CCID3_FBACK_PERIODIC:
 		delta = ktime_us_delta(now, hc->rx_tstamp_last_feedback);
 		if (delta <= 0)
-			DCCP_BUG("delta (%ld) <= 0", (long)delta);
-		else
-			hc->rx_x_recv = scaled_div32(hc->rx_bytes_recv, delta);
+			delta = 1;
+		hc->rx_x_recv = scaled_div32(hc->rx_bytes_recv, delta);
 		break;
 	default:
 		return;
 	}
 
-	ccid3_pr_debug("Interval %ldusec, X_recv=%u, 1/p=%u\n", (long)delta,
+	ccid3_pr_debug("Interval %lldusec, X_recv=%u, 1/p=%u\n", delta,
 		       hc->rx_x_recv, hc->rx_pinv);
 
 	hc->rx_tstamp_last_feedback = now;
@@ -680,7 +679,8 @@ static int ccid3_hc_rx_insert_options(struct sock *sk, struct sk_buff *skb)
 static u32 ccid3_first_li(struct sock *sk)
 {
 	struct ccid3_hc_rx_sock *hc = ccid3_hc_rx_sk(sk);
-	u32 x_recv, p, delta;
+	u32 x_recv, p;
+	s64 delta;
 	u64 fval;
 
 	if (hc->rx_rtt == 0) {
@@ -688,7 +688,9 @@ static u32 ccid3_first_li(struct sock *sk)
 		hc->rx_rtt = DCCP_FALLBACK_RTT;
 	}
 
-	delta  = ktime_to_us(net_timedelta(hc->rx_tstamp_last_feedback));
+	delta = ktime_us_delta(ktime_get(), hc->rx_tstamp_last_feedback);
+	if (delta <= 0)
+		delta = 1;
 	x_recv = scaled_div32(hc->rx_bytes_recv, delta);
 	if (x_recv == 0) {		/* would also trigger divide-by-zero */
 		DCCP_WARN("X_recv==0\n");

net/ipv6/mcast.c

@@ -2082,7 +2082,8 @@ void ipv6_mc_dad_complete(struct inet6_dev *idev)
 		mld_send_initial_cr(idev);
 		idev->mc_dad_count--;
 		if (idev->mc_dad_count)
-			mld_dad_start_timer(idev, idev->mc_maxdelay);
+			mld_dad_start_timer(idev,
+					    unsolicited_report_interval(idev));
 	}
 }
 
@@ -2094,7 +2095,8 @@ static void mld_dad_timer_expire(struct timer_list *t)
 	if (idev->mc_dad_count) {
 		idev->mc_dad_count--;
 		if (idev->mc_dad_count)
-			mld_dad_start_timer(idev, idev->mc_maxdelay);
+			mld_dad_start_timer(idev,
+					    unsolicited_report_interval(idev));
 	}
 	in6_dev_put(idev);
 }
@@ -2452,7 +2454,8 @@ static void mld_ifc_timer_expire(struct timer_list *t)
 	if (idev->mc_ifc_count) {
 		idev->mc_ifc_count--;
 		if (idev->mc_ifc_count)
-			mld_ifc_start_timer(idev, idev->mc_maxdelay);
+			mld_ifc_start_timer(idev,
+					    unsolicited_report_interval(idev));
 	}
 	in6_dev_put(idev);
 }

net/packet/af_packet.c

@@ -2262,6 +2262,13 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 		if (po->stats.stats1.tp_drops)
 			status |= TP_STATUS_LOSING;
 	}
+
+	if (do_vnet &&
+	    virtio_net_hdr_from_skb(skb, h.raw + macoff -
+				    sizeof(struct virtio_net_hdr),
+				    vio_le(), true, 0))
+		goto drop_n_account;
+
 	po->stats.stats1.tp_packets++;
 	if (copy_skb) {
 		status |= TP_STATUS_COPY;
@@ -2269,15 +2276,6 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
 	}
 	spin_unlock(&sk->sk_receive_queue.lock);
 
-	if (do_vnet) {
-		if (virtio_net_hdr_from_skb(skb, h.raw + macoff -
-					    sizeof(struct virtio_net_hdr),
-					    vio_le(), true, 0)) {
-			spin_lock(&sk->sk_receive_queue.lock);
-			goto drop_n_account;
-		}
-	}
-
 	skb_copy_bits(skb, 0, h.raw + macoff, snaplen);
 
 	if (!(ts_status = tpacket_get_timestamp(skb, &ts, po->tp_tstamp)))

net/sched/cls_flower.c

@@ -66,7 +66,7 @@ struct fl_flow_mask {
 	struct rhashtable_params filter_ht_params;
 	struct flow_dissector dissector;
 	struct list_head filters;
-	struct rcu_head rcu;
+	struct rcu_work rwork;
 	struct list_head list;
 };
 
@@ -203,6 +203,20 @@ static int fl_init(struct tcf_proto *tp)
 	return rhashtable_init(&head->ht, &mask_ht_params);
 }
 
+static void fl_mask_free(struct fl_flow_mask *mask)
+{
+	rhashtable_destroy(&mask->ht);
+	kfree(mask);
+}
+
+static void fl_mask_free_work(struct work_struct *work)
+{
+	struct fl_flow_mask *mask = container_of(to_rcu_work(work),
+						 struct fl_flow_mask, rwork);
+
+	fl_mask_free(mask);
+}
+
 static bool fl_mask_put(struct cls_fl_head *head, struct fl_flow_mask *mask,
 			bool async)
 {
@@ -210,12 +224,11 @@ static bool fl_mask_put(struct cls_fl_head *head, struct fl_flow_mask *mask,
 		return false;
 
 	rhashtable_remove_fast(&head->ht, &mask->ht_node, mask_ht_params);
-	rhashtable_destroy(&mask->ht);
 	list_del_rcu(&mask->list);
 	if (async)
-		kfree_rcu(mask, rcu);
+		tcf_queue_work(&mask->rwork, fl_mask_free_work);
 	else
-		kfree(mask);
+		fl_mask_free(mask);
 
 	return true;
 }

net/sched/sch_hfsc.c

@@ -1385,8 +1385,8 @@ hfsc_schedule_watchdog(struct Qdisc *sch)
 		if (next_time == 0 || next_time > q->root.cl_cfmin)
 			next_time = q->root.cl_cfmin;
 	}
-	WARN_ON(next_time == 0);
-	qdisc_watchdog_schedule(&q->watchdog, next_time);
+	if (next_time)
+		qdisc_watchdog_schedule(&q->watchdog, next_time);
 }
 
 static int

net/sctp/chunk.c

@@ -237,7 +237,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 	/* Account for a different sized first fragment */
 	if (msg_len >= first_len) {
 		msg->can_delay = 0;
-		SCTP_INC_STATS(sock_net(asoc->base.sk), SCTP_MIB_FRAGUSRMSGS);
+		if (msg_len > first_len)
+			SCTP_INC_STATS(sock_net(asoc->base.sk),
+				       SCTP_MIB_FRAGUSRMSGS);
 	} else {
 		/* Which may be the only one... */
 		first_len = msg_len;

net/strparser/strparser.c

@@ -392,7 +392,7 @@ static int strp_read_sock(struct strparser *strp)
 /* Lower sock lock held */
 void strp_data_ready(struct strparser *strp)
 {
-	if (unlikely(strp->stopped))
+	if (unlikely(strp->stopped) || strp->paused)
 		return;
 
 	/* This check is needed to synchronize with do_strp_work.
@@ -407,9 +407,6 @@ void strp_data_ready(struct strparser *strp)
 		return;
 	}
 
-	if (strp->paused)
-		return;
-
 	if (strp->need_bytes) {
 		if (strp_peek_len(strp) < strp->need_bytes)
 			return;

net/vmw_vsock/virtio_transport.c

@@ -201,7 +201,7 @@ virtio_transport_send_pkt(struct virtio_vsock_pkt *pkt)
 		return -ENODEV;
 	}
 
-	if (le32_to_cpu(pkt->hdr.dst_cid) == vsock->guest_cid)
+	if (le64_to_cpu(pkt->hdr.dst_cid) == vsock->guest_cid)
 		return virtio_transport_send_pkt_loopback(vsock, pkt);
 
 	if (pkt->reply)