net: Convert net_ratelimit uses to net_<level>_ratelimited

Standardize the net core ratelimited logging functions.

Coalesce formats, align arguments.
Change a printk then vprintk sequence to use printf extension %pV.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/atm/ioctl.c

@@ -97,9 +97,8 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
 			error = sock_get_timestampns(sk, argp);
 		goto done;
 	case ATM_SETSC:
-		if (net_ratelimit())
-			pr_warning("ATM_SETSC is obsolete; used by %s:%d\n",
-				   current->comm, task_pid_nr(current));
+		net_warn_ratelimited("ATM_SETSC is obsolete; used by %s:%d\n",
+				     current->comm, task_pid_nr(current));
 		error = 0;
 		goto done;
 	case ATMSIGD_CTRL:
@@ -123,8 +122,7 @@ static int do_vcc_ioctl(struct socket *sock, unsigned int cmd,
 		   work for 32-bit userspace. TBH I don't really want
 		   to think about it at all. dwmw2. */
 		if (compat) {
-			if (net_ratelimit())
-				pr_warning("32-bit task cannot be atmsigd\n");
+			net_warn_ratelimited("32-bit task cannot be atmsigd\n");
 			error = -EINVAL;
 			goto done;
 		}

net/caif/caif_socket.c

@@ -131,10 +131,9 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 
 	if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
 		(unsigned int)sk->sk_rcvbuf && rx_flow_is_on(cf_sk)) {
-		if (net_ratelimit())
-			pr_debug("sending flow OFF (queue len = %d %d)\n",
-					atomic_read(&cf_sk->sk.sk_rmem_alloc),
-					sk_rcvbuf_lowwater(cf_sk));
+		net_dbg_ratelimited("sending flow OFF (queue len = %d %d)\n",
+				    atomic_read(&cf_sk->sk.sk_rmem_alloc),
+				    sk_rcvbuf_lowwater(cf_sk));
 		set_rx_flow_off(cf_sk);
 		caif_flow_ctrl(sk, CAIF_MODEMCMD_FLOW_OFF_REQ);
 	}
@@ -144,8 +143,7 @@ static int caif_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 		return err;
 	if (!sk_rmem_schedule(sk, skb->truesize) && rx_flow_is_on(cf_sk)) {
 		set_rx_flow_off(cf_sk);
-		if (net_ratelimit())
-			pr_debug("sending flow OFF due to rmem_schedule\n");
+		net_dbg_ratelimited("sending flow OFF due to rmem_schedule\n");
 		caif_flow_ctrl(sk, CAIF_MODEMCMD_FLOW_OFF_REQ);
 	}
 	skb->dev = NULL;

net/core/dev.c

@@ -1673,10 +1673,9 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev)
 
 			if (skb_network_header(skb2) < skb2->data ||
 			    skb2->network_header > skb2->tail) {
-				if (net_ratelimit())
-					pr_crit("protocol %04x is buggy, dev %s\n",
-						ntohs(skb2->protocol),
-						dev->name);
+				net_crit_ratelimited("protocol %04x is buggy, dev %s\n",
+						     ntohs(skb2->protocol),
+						     dev->name);
 				skb_reset_network_header(skb2);
 			}
 
@@ -2343,11 +2342,9 @@ EXPORT_SYMBOL(__skb_tx_hash);
 static inline u16 dev_cap_txqueue(struct net_device *dev, u16 queue_index)
 {
 	if (unlikely(queue_index >= dev->real_num_tx_queues)) {
-		if (net_ratelimit()) {
-			pr_warn("%s selects TX queue %d, but real number of TX queues is %d\n",
-				dev->name, queue_index,
-				dev->real_num_tx_queues);
-		}
+		net_warn_ratelimited("%s selects TX queue %d, but real number of TX queues is %d\n",
+				     dev->name, queue_index,
+				     dev->real_num_tx_queues);
 		return 0;
 	}
 	return queue_index;
@@ -2589,17 +2586,15 @@ int dev_queue_xmit(struct sk_buff *skb)
 				}
 			}
 			HARD_TX_UNLOCK(dev, txq);
-			if (net_ratelimit())
-				pr_crit("Virtual device %s asks to queue packet!\n",
-					dev->name);
+			net_crit_ratelimited("Virtual device %s asks to queue packet!\n",
+					     dev->name);
 		} else {
 			/* Recursion is detected! It is possible,
 			 * unfortunately
 			 */
 recursion_alert:
-			if (net_ratelimit())
-				pr_crit("Dead loop on virtual device %s, fix it urgently!\n",
-					dev->name);
+			net_crit_ratelimited("Dead loop on virtual device %s, fix it urgently!\n",
+					     dev->name);
 		}
 	}
 
@@ -3080,9 +3075,8 @@ static int ing_filter(struct sk_buff *skb, struct netdev_queue *rxq)
 	struct Qdisc *q;
 
 	if (unlikely(MAX_RED_LOOP < ttl++)) {
-		if (net_ratelimit())
-			pr_warn("Redir loop detected Dropping packet (%d->%d)\n",
-				skb->skb_iif, dev->ifindex);
+		net_warn_ratelimited("Redir loop detected Dropping packet (%d->%d)\n",
+				     skb->skb_iif, dev->ifindex);
 		return TC_ACT_SHOT;
 	}
 

net/core/pktgen.c

@@ -2934,8 +2934,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev,
 
 	if (datalen < sizeof(struct pktgen_hdr)) {
 		datalen = sizeof(struct pktgen_hdr);
-		if (net_ratelimit())
-			pr_info("increased datalen to %d\n", datalen);
+		net_info_ratelimited("increased datalen to %d\n", datalen);
 	}
 
 	udph->source = htons(pkt_dev->cur_udp_src);
@@ -3365,8 +3364,8 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
 		pkt_dev->errors++;
 		break;
 	default: /* Drivers are not supposed to return other values! */
-		if (net_ratelimit())
-			pr_info("%s xmit error: %d\n", pkt_dev->odevname, ret);
+		net_info_ratelimited("%s xmit error: %d\n",
+				     pkt_dev->odevname, ret);
 		pkt_dev->errors++;
 		/* fallthru */
 	case NETDEV_TX_LOCKED:

net/core/rtnetlink.c

@@ -1524,11 +1524,9 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
 	err = 0;
 
 errout:
-	if (err < 0 && modified && net_ratelimit())
-		printk(KERN_WARNING "A link change request failed with "
-		       "some changes committed already. Interface %s may "
-		       "have been left with an inconsistent configuration, "
-		       "please check.\n", dev->name);
+	if (err < 0 && modified)
+		net_warn_ratelimited("A link change request failed with some changes committed already. Interface %s may have been left with an inconsistent configuration, please check.\n",
+				     dev->name);
 
 	if (send_addr_notify)
 		call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);

net/core/skbuff.c

@@ -3299,10 +3299,8 @@ bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off)
 {
 	if (unlikely(start > skb_headlen(skb)) ||
 	    unlikely((int)start + off > skb_headlen(skb) - 2)) {
-		if (net_ratelimit())
-			printk(KERN_WARNING
-			       "bad partial csum: csum=%u/%u len=%u\n",
-			       start, off, skb_headlen(skb));
+		net_warn_ratelimited("bad partial csum: csum=%u/%u len=%u\n",
+				     start, off, skb_headlen(skb));
 		return false;
 	}
 	skb->ip_summed = CHECKSUM_PARTIAL;
@@ -3314,8 +3312,7 @@ EXPORT_SYMBOL_GPL(skb_partial_csum_set);
 
 void __skb_warn_lro_forwarding(const struct sk_buff *skb)
 {
-	if (net_ratelimit())
-		pr_warning("%s: received packets cannot be forwarded"
-			   " while LRO is enabled\n", skb->dev->name);
+	net_warn_ratelimited("%s: received packets cannot be forwarded while LRO is enabled\n",
+			     skb->dev->name);
 }
 EXPORT_SYMBOL(__skb_warn_lro_forwarding);

net/decnet/dn_fib.c

@@ -438,9 +438,8 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn
 			res->fi = NULL;
 			return 1;
 		default:
-			if (net_ratelimit())
-				printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
-				       type);
+			net_err_ratelimited("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
+					    type);
 			res->fi = NULL;
 			return -EINVAL;
 		}

net/decnet/dn_neigh.c

@@ -162,8 +162,8 @@ static int dn_neigh_construct(struct neighbour *neigh)
 	else if ((dev->type == ARPHRD_ETHER) || (dev->type == ARPHRD_LOOPBACK))
 		dn_dn2eth(neigh->ha, dn->addr);
 	else {
-		if (net_ratelimit())
-			printk(KERN_DEBUG "Trying to create neigh for hw %d\n",  dev->type);
+		net_dbg_ratelimited("Trying to create neigh for hw %d\n",
+				    dev->type);
 		return -EINVAL;
 	}
 
@@ -236,15 +236,13 @@ static int dn_long_output(struct neighbour *neigh, struct sk_buff *skb)
 	if (skb_headroom(skb) < headroom) {
 		struct sk_buff *skb2 = skb_realloc_headroom(skb, headroom);
 		if (skb2 == NULL) {
-			if (net_ratelimit())
-				printk(KERN_CRIT "dn_long_output: no memory\n");
+			net_crit_ratelimited("dn_long_output: no memory\n");
 			kfree_skb(skb);
 			return -ENOBUFS;
 		}
 		kfree_skb(skb);
 		skb = skb2;
-		if (net_ratelimit())
-			printk(KERN_INFO "dn_long_output: Increasing headroom\n");
+		net_info_ratelimited("dn_long_output: Increasing headroom\n");
 	}
 
 	data = skb_push(skb, sizeof(struct dn_long_packet) + 3);
@@ -281,15 +279,13 @@ static int dn_short_output(struct neighbour *neigh, struct sk_buff *skb)
 	if (skb_headroom(skb) < headroom) {
 		struct sk_buff *skb2 = skb_realloc_headroom(skb, headroom);
 		if (skb2 == NULL) {
-			if (net_ratelimit())
-				printk(KERN_CRIT "dn_short_output: no memory\n");
+			net_crit_ratelimited("dn_short_output: no memory\n");
 			kfree_skb(skb);
 			return -ENOBUFS;
 		}
 		kfree_skb(skb);
 		skb = skb2;
-		if (net_ratelimit())
-			printk(KERN_INFO "dn_short_output: Increasing headroom\n");
+		net_info_ratelimited("dn_short_output: Increasing headroom\n");
 	}
 
 	data = skb_push(skb, sizeof(struct dn_short_packet) + 2);
@@ -322,15 +318,13 @@ static int dn_phase3_output(struct neighbour *neigh, struct sk_buff *skb)
 	if (skb_headroom(skb) < headroom) {
 		struct sk_buff *skb2 = skb_realloc_headroom(skb, headroom);
 		if (skb2 == NULL) {
-			if (net_ratelimit())
-				printk(KERN_CRIT "dn_phase3_output: no memory\n");
+			net_crit_ratelimited("dn_phase3_output: no memory\n");
 			kfree_skb(skb);
 			return -ENOBUFS;
 		}
 		kfree_skb(skb);
 		skb = skb2;
-		if (net_ratelimit())
-			printk(KERN_INFO "dn_phase3_output: Increasing headroom\n");
+		net_info_ratelimited("dn_phase3_output: Increasing headroom\n");
 	}
 
 	data = skb_push(skb, sizeof(struct dn_short_packet) + 2);

net/decnet/dn_nsp_in.c

@@ -80,12 +80,15 @@ extern int decnet_log_martians;
 
 static void dn_log_martian(struct sk_buff *skb, const char *msg)
 {
-	if (decnet_log_martians && net_ratelimit()) {
+	if (decnet_log_martians) {
 		char *devname = skb->dev ? skb->dev->name : "???";
 		struct dn_skb_cb *cb = DN_SKB_CB(skb);
-		printk(KERN_INFO "DECnet: Martian packet (%s) dev=%s src=0x%04hx dst=0x%04hx srcport=0x%04hx dstport=0x%04hx\n",
-		       msg, devname, le16_to_cpu(cb->src), le16_to_cpu(cb->dst),
-		       le16_to_cpu(cb->src_port), le16_to_cpu(cb->dst_port));
+		net_info_ratelimited("DECnet: Martian packet (%s) dev=%s src=0x%04hx dst=0x%04hx srcport=0x%04hx dstport=0x%04hx\n",
+				     msg, devname,
+				     le16_to_cpu(cb->src),
+				     le16_to_cpu(cb->dst),
+				     le16_to_cpu(cb->src_port),
+				     le16_to_cpu(cb->dst_port));
 	}
 }
 

net/decnet/dn_nsp_out.c

@@ -1,4 +1,3 @@
-
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
@@ -554,8 +553,8 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
 	unsigned char *msg;
 
 	if ((dst == NULL) || (rem == 0)) {
-		if (net_ratelimit())
-			printk(KERN_DEBUG "DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n", le16_to_cpu(rem), dst);
+		net_dbg_ratelimited("DECnet: dn_nsp_do_disc: BUG! Please report this to SteveW@ACM.org rem=%u dst=%p\n",
+				    le16_to_cpu(rem), dst);
 		return;
 	}
 

net/decnet/dn_route.c

@@ -748,8 +748,7 @@ static int dn_output(struct sk_buff *skb)
 		       dn_to_neigh_output);
 
 error:
-	if (net_ratelimit())
-		printk(KERN_DEBUG "dn_output: This should not happen\n");
+	net_dbg_ratelimited("dn_output: This should not happen\n");
 
 	kfree_skb(skb);
 
@@ -807,12 +806,10 @@ static int dn_forward(struct sk_buff *skb)
  */
 static int dn_rt_bug(struct sk_buff *skb)
 {
-	if (net_ratelimit()) {
-		struct dn_skb_cb *cb = DN_SKB_CB(skb);
+	struct dn_skb_cb *cb = DN_SKB_CB(skb);
 
-		printk(KERN_DEBUG "dn_rt_bug: skb from:%04x to:%04x\n",
-				le16_to_cpu(cb->src), le16_to_cpu(cb->dst));
-	}
+	net_dbg_ratelimited("dn_rt_bug: skb from:%04x to:%04x\n",
+			    le16_to_cpu(cb->src), le16_to_cpu(cb->dst));
 
 	kfree_skb(skb);
 
@@ -1327,9 +1324,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
 
 		out_dev = DN_FIB_RES_DEV(res);
 		if (out_dev == NULL) {
-			if (net_ratelimit())
-				printk(KERN_CRIT "Bug in dn_route_input_slow() "
-						 "No output device\n");
+			net_crit_ratelimited("Bug in dn_route_input_slow() No output device\n");
 			goto e_inval;
 		}
 		dev_hold(out_dev);

net/decnet/dn_table.c

@@ -836,8 +836,8 @@ struct dn_fib_table *dn_fib_get_table(u32 n, int create)
 	if (!create)
 		return NULL;
 
-	if (in_interrupt() && net_ratelimit()) {
-		printk(KERN_DEBUG "DECnet: BUG! Attempt to create routing table from interrupt\n");
+	if (in_interrupt()) {
+		net_dbg_ratelimited("DECnet: BUG! Attempt to create routing table from interrupt\n");
 		return NULL;
 	}
 

net/decnet/netfilter/dn_rtmsg.c

@@ -57,8 +57,7 @@ static struct sk_buff *dnrmg_build_message(struct sk_buff *rt_skb, int *errp)
 	if (skb)
 		kfree_skb(skb);
 	*errp = -ENOMEM;
-	if (net_ratelimit())
-		printk(KERN_ERR "dn_rtmsg: error creating netlink message\n");
+	net_err_ratelimited("dn_rtmsg: error creating netlink message\n");
 	return NULL;
 }
 

net/ipv4/icmp.c

@@ -713,11 +713,10 @@ static void icmp_unreach(struct sk_buff *skb)
 
 	if (!net->ipv4.sysctl_icmp_ignore_bogus_error_responses &&
 	    inet_addr_type(net, iph->daddr) == RTN_BROADCAST) {
-		if (net_ratelimit())
-			pr_warn("%pI4 sent an invalid ICMP type %u, code %u error to a broadcast: %pI4 on %s\n",
-				&ip_hdr(skb)->saddr,
-				icmph->type, icmph->code,
-				&iph->daddr, skb->dev->name);
+		net_warn_ratelimited("%pI4 sent an invalid ICMP type %u, code %u error to a broadcast: %pI4 on %s\n",
+				     &ip_hdr(skb)->saddr,
+				     icmph->type, icmph->code,
+				     &iph->daddr, skb->dev->name);
 		goto out;
 	}
 
@@ -906,8 +905,7 @@ static void icmp_timestamp(struct sk_buff *skb)
 static void icmp_address(struct sk_buff *skb)
 {
 #if 0
-	if (net_ratelimit())
-		printk(KERN_DEBUG "a guy asks for address mask. Who is it?\n");
+	net_dbg_ratelimited("a guy asks for address mask. Who is it?\n");
 #endif
 }
 
@@ -943,10 +941,10 @@ static void icmp_address_reply(struct sk_buff *skb)
 			    inet_ifa_match(ip_hdr(skb)->saddr, ifa))
 				break;
 		}
-		if (!ifa && net_ratelimit()) {
-			pr_info("Wrong address mask %pI4 from %s/%pI4\n",
-				mp, dev->name, &ip_hdr(skb)->saddr);
-		}
+		if (!ifa)
+			net_info_ratelimited("Wrong address mask %pI4 from %s/%pI4\n",
+					     mp,
+					     dev->name, &ip_hdr(skb)->saddr);
 	}
 }
 

net/ipv4/ip_fragment.c

@@ -644,8 +644,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
 	err = -ENOMEM;
 	goto out_fail;
 out_oversize:
-	if (net_ratelimit())
-		pr_info("Oversized IP packet from %pI4\n", &qp->saddr);
+	net_info_ratelimited("Oversized IP packet from %pI4\n", &qp->saddr);
 out_fail:
 	IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS);
 	return err;