Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 31 insertions, 36 deletions

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 773e606f970..7f8e1589941 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2011 B.A.T.M.A.N. contributors:
+ * Copyright (C) 2007-2012 B.A.T.M.A.N. contributors:
  *
  * Marek Lindner, Simon Wunderlich
  *
@@ -29,7 +29,6 @@
 #include "originator.h"
 #include "vis.h"
 #include "unicast.h"
-#include "bat_ogm.h"
 
 void slide_own_bcast_window(struct hard_iface *hard_iface)
 {
@@ -73,7 +72,7 @@ static void _update_route(struct bat_priv *bat_priv,
 		bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
 			orig_node->orig);
 		tt_global_del_orig(bat_priv, orig_node,
-				    "Deleted route towards originator");
+				   "Deleted route towards originator");
 
 	/* route added */
 	} else if ((!curr_router) && (neigh_node)) {
@@ -84,8 +83,7 @@ static void _update_route(struct bat_priv *bat_priv,
 	/* route changed */
 	} else if (neigh_node && curr_router) {
 		bat_dbg(DBG_ROUTES, bat_priv,
-			"Changing route towards: %pM "
-			"(now via %pM - was via %pM)\n",
+			"Changing route towards: %pM (now via %pM - was via %pM)\n",
 			orig_node->orig, neigh_node->addr,
 			curr_router->addr);
 	}
@@ -230,24 +228,25 @@ void bonding_save_primary(const struct orig_node *orig_node,
 int window_protected(struct bat_priv *bat_priv, int32_t seq_num_diff,
 		     unsigned long *last_reset)
 {
-	if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE)
-		|| (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
-		if (time_after(jiffies, *last_reset +
-			msecs_to_jiffies(RESET_PROTECTION_MS))) {
+	if ((seq_num_diff <= -TQ_LOCAL_WINDOW_SIZE) ||
+	    (seq_num_diff >= EXPECTED_SEQNO_RANGE)) {
+		if (has_timed_out(*last_reset, RESET_PROTECTION_MS)) {
 
 			*last_reset = jiffies;
 			bat_dbg(DBG_BATMAN, bat_priv,
 				"old packet received, start protection\n");
 
 			return 0;
-		} else
+		} else {
 			return 1;
+		}
 	}
 	return 0;
 }
 
 int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface)
 {
+	struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
 	struct ethhdr *ethhdr;
 
 	/* drop packet if it has not necessary minimum size */
@@ -272,9 +271,7 @@ int recv_bat_ogm_packet(struct sk_buff *skb, struct hard_iface *hard_iface)
 	if (skb_linearize(skb) < 0)
 		return NET_RX_DROP;
 
-	ethhdr = (struct ethhdr *)skb_mac_header(skb);
-
-	bat_ogm_receive(ethhdr, skb->data, skb_headlen(skb), hard_iface);
+	bat_priv->bat_algo_ops->bat_ogm_receive(hard_iface, skb);
 
 	kfree_skb(skb);
 	return NET_RX_SUCCESS;
@@ -320,7 +317,7 @@ static int recv_my_icmp_packet(struct bat_priv *bat_priv,
 	memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
 	memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
 	icmp_packet->msg_type = ECHO_REPLY;
-	icmp_packet->ttl = TTL;
+	icmp_packet->header.ttl = TTL;
 
 	send_skb_packet(skb, router->if_incoming, router->addr);
 	ret = NET_RX_SUCCESS;
@@ -348,9 +345,8 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
 
 	/* send TTL exceeded if packet is an echo request (traceroute) */
 	if (icmp_packet->msg_type != ECHO_REQUEST) {
-		pr_debug("Warning - can't forward icmp packet from %pM to "
-			 "%pM: ttl exceeded\n", icmp_packet->orig,
-			 icmp_packet->dst);
+		pr_debug("Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n",
+			 icmp_packet->orig, icmp_packet->dst);
 		goto out;
 	}
 
@@ -376,7 +372,7 @@ static int recv_icmp_ttl_exceeded(struct bat_priv *bat_priv,
 	memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
 	memcpy(icmp_packet->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
 	icmp_packet->msg_type = TTL_EXCEEDED;
-	icmp_packet->ttl = TTL;
+	icmp_packet->header.ttl = TTL;
 
 	send_skb_packet(skb, router->if_incoming, router->addr);
 	ret = NET_RX_SUCCESS;
@@ -432,7 +428,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 	if ((hdr_size == sizeof(struct icmp_packet_rr)) &&
 	    (icmp_packet->rr_cur < BAT_RR_LEN)) {
 		memcpy(&(icmp_packet->rr[icmp_packet->rr_cur]),
-			ethhdr->h_dest, ETH_ALEN);
+		       ethhdr->h_dest, ETH_ALEN);
 		icmp_packet->rr_cur++;
 	}
 
@@ -441,7 +437,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 		return recv_my_icmp_packet(bat_priv, skb, hdr_size);
 
 	/* TTL exceeded */
-	if (icmp_packet->ttl < 2)
+	if (icmp_packet->header.ttl < 2)
 		return recv_icmp_ttl_exceeded(bat_priv, skb);
 
 	/* get routing information */
@@ -460,7 +456,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 	icmp_packet = (struct icmp_packet_rr *)skb->data;
 
 	/* decrement ttl */
-	icmp_packet->ttl--;
+	icmp_packet->header.ttl--;
 
 	/* route it */
 	send_skb_packet(skb, router->if_incoming, router->addr);
@@ -677,9 +673,9 @@ int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
 	if (!orig_node)
 		goto out;
 
-	bat_dbg(DBG_TT, bat_priv, "Received ROAMING_ADV from %pM "
-		"(client %pM)\n", roam_adv_packet->src,
-		roam_adv_packet->client);
+	bat_dbg(DBG_TT, bat_priv,
+		"Received ROAMING_ADV from %pM (client %pM)\n",
+		roam_adv_packet->src, roam_adv_packet->client);
 
 	tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
 		      atomic_read(&orig_node->last_ttvn) + 1, true, false);
@@ -815,10 +811,9 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 	unicast_packet = (struct unicast_packet *)skb->data;
 
 	/* TTL exceeded */
-	if (unicast_packet->ttl < 2) {
-		pr_debug("Warning - can't forward unicast packet from %pM to "
-			 "%pM: ttl exceeded\n", ethhdr->h_source,
-			 unicast_packet->dest);
+	if (unicast_packet->header.ttl < 2) {
+		pr_debug("Warning - can't forward unicast packet from %pM to %pM: ttl exceeded\n",
+			 ethhdr->h_source, unicast_packet->dest);
 		goto out;
 	}
 
@@ -840,7 +835,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 
 	unicast_packet = (struct unicast_packet *)skb->data;
 
-	if (unicast_packet->packet_type == BAT_UNICAST &&
+	if (unicast_packet->header.packet_type == BAT_UNICAST &&
 	    atomic_read(&bat_priv->fragmentation) &&
 	    skb->len > neigh_node->if_incoming->net_dev->mtu) {
 		ret = frag_send_skb(skb, bat_priv,
@@ -848,7 +843,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 		goto out;
 	}
 
-	if (unicast_packet->packet_type == BAT_UNICAST_FRAG &&
+	if (unicast_packet->header.packet_type == BAT_UNICAST_FRAG &&
 	    frag_can_reassemble(skb, neigh_node->if_incoming->net_dev->mtu)) {
 
 		ret = frag_reassemble_skb(skb, bat_priv, &new_skb);
@@ -867,7 +862,7 @@ int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 	}
 
 	/* decrement ttl */
-	unicast_packet->ttl--;
+	unicast_packet->header.ttl--;
 
 	/* route it */
 	send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
@@ -937,10 +932,10 @@ static int check_unicast_ttvn(struct bat_priv *bat_priv,
 			orig_node_free_ref(orig_node);
 		}
 
-		bat_dbg(DBG_ROUTES, bat_priv, "TTVN mismatch (old_ttvn %u "
-			"new_ttvn %u)! Rerouting unicast packet (for %pM) to "
-			"%pM\n", unicast_packet->ttvn, curr_ttvn,
-			ethhdr->h_dest, unicast_packet->dest);
+		bat_dbg(DBG_ROUTES, bat_priv,
+			"TTVN mismatch (old_ttvn %u new_ttvn %u)! Rerouting unicast packet (for %pM) to %pM\n",
+			unicast_packet->ttvn, curr_ttvn, ethhdr->h_dest,
+			unicast_packet->dest);
 
 		unicast_packet->ttvn = curr_ttvn;
 	}
@@ -1041,7 +1036,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 	if (is_my_mac(bcast_packet->orig))
 		goto out;
 
-	if (bcast_packet->ttl < 2)
+	if (bcast_packet->header.ttl < 2)
 		goto out;
 
 	orig_node = orig_hash_find(bat_priv, bcast_packet->orig);