Merge tag 'net-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from wireless.

  The ath12k fix to avoid FW crashes requires adding support for a
  number of new FW commands so it's quite large in terms of LoC. The
  rest is relatively small.

  Current release - fix to a fix:

   - ptp: fix breakage after ptp_vclock_in_use() rework

  Current release - regressions:

   - openvswitch: allocate struct ovs_pcpu_storage dynamically, static
     allocation may exhaust module loader limit on smaller systems

  Previous releases - regressions:

   - tcp: fix tcp_packet_delayed() for peers with no selective ACK
     support

  Previous releases - always broken:

   - wifi: ath12k: don't activate more links than firmware supports

   - tcp: make sure sockets open via passive TFO have valid NAPI ID

   - eth: bnxt_en: update MRU and RSS table of RSS contexts on queue
     reset, prevent Rx queues from silently hanging after queue reset

   - NFC: uart: set tty->disc_data only in success path"

* tag 'net-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (59 commits)
  net: airoha: Differentiate hwfd buffer size for QDMA0 and QDMA1
  net: airoha: Compute number of descriptors according to reserved memory size
  tools: ynl: fix mixing ops and notifications on one socket
  net: atm: fix /proc/net/atm/lec handling
  net: atm: add lec_mutex
  mlxbf_gige: return EPROBE_DEFER if PHY IRQ is not available
  net: airoha: Always check return value from airoha_ppe_foe_get_entry()
  NFC: nci: uart: Set tty->disc_data only in success path
  calipso: Fix null-ptr-deref in calipso_req_{set,del}attr().
  MAINTAINERS: Remove Shannon Nelson from MAINTAINERS file
  net: lan743x: fix potential out-of-bounds write in lan743x_ptp_io_event_clock_get()
  eth: fbnic: avoid double free when failing to DMA-map FW msg
  tcp: fix passive TFO socket having invalid NAPI ID
  selftests: net: add test for passive TFO socket NAPI ID
  selftests: net: add passive TFO test binary
  selftests: netdevsim: improve lib.sh include in peer.sh
  tipc: fix null-ptr-deref when acquiring remote ip of ethernet bearer
  Octeontx2-pf: Fix Backpresure configuration
  net: ftgmac100: select FIXED_PHY
  net: ethtool: remove duplicate defines for family info
  ...

1 files changed, 35 insertions, 7 deletions

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 6a304ae2d959..b990dc83504f 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -244,7 +244,7 @@ void ovs_dp_detach_port(struct vport *p)
 /* Must be called with rcu_read_lock. */
 void ovs_dp_process_packet(struct sk_buff *skb, struct sw_flow_key *key)
 {
-	struct ovs_pcpu_storage *ovs_pcpu = this_cpu_ptr(&ovs_pcpu_storage);
+	struct ovs_pcpu_storage *ovs_pcpu = this_cpu_ptr(ovs_pcpu_storage);
 	const struct vport *p = OVS_CB(skb)->input_vport;
 	struct datapath *dp = p->dp;
 	struct sw_flow *flow;
@@ -299,7 +299,7 @@ void ovs_dp_process_packet(struct sk_buff *skb, struct sw_flow_key *key)
 	 * avoided.
 	 */
 	if (IS_ENABLED(CONFIG_PREEMPT_RT) && ovs_pcpu->owner != current) {
-		local_lock_nested_bh(&ovs_pcpu_storage.bh_lock);
+		local_lock_nested_bh(&ovs_pcpu_storage->bh_lock);
 		ovs_pcpu->owner = current;
 		ovs_pcpu_locked = true;
 	}
@@ -310,7 +310,7 @@ void ovs_dp_process_packet(struct sk_buff *skb, struct sw_flow_key *key)
 				    ovs_dp_name(dp), error);
 	if (ovs_pcpu_locked) {
 		ovs_pcpu->owner = NULL;
-		local_unlock_nested_bh(&ovs_pcpu_storage.bh_lock);
+		local_unlock_nested_bh(&ovs_pcpu_storage->bh_lock);
 	}
 
 	stats_counter = &stats->n_hit;
@@ -689,13 +689,13 @@ static int ovs_packet_cmd_execute(struct sk_buff *skb, struct genl_info *info)
 	sf_acts = rcu_dereference(flow->sf_acts);
 
 	local_bh_disable();
-	local_lock_nested_bh(&ovs_pcpu_storage.bh_lock);
+	local_lock_nested_bh(&ovs_pcpu_storage->bh_lock);
 	if (IS_ENABLED(CONFIG_PREEMPT_RT))
-		this_cpu_write(ovs_pcpu_storage.owner, current);
+		this_cpu_write(ovs_pcpu_storage->owner, current);
 	err = ovs_execute_actions(dp, packet, sf_acts, &flow->key);
 	if (IS_ENABLED(CONFIG_PREEMPT_RT))
-		this_cpu_write(ovs_pcpu_storage.owner, NULL);
-	local_unlock_nested_bh(&ovs_pcpu_storage.bh_lock);
+		this_cpu_write(ovs_pcpu_storage->owner, NULL);
+	local_unlock_nested_bh(&ovs_pcpu_storage->bh_lock);
 	local_bh_enable();
 	rcu_read_unlock();
 
@@ -2744,6 +2744,28 @@ static struct drop_reason_list drop_reason_list_ovs = {
 	.n_reasons = ARRAY_SIZE(ovs_drop_reasons),
 };
 
+static int __init ovs_alloc_percpu_storage(void)
+{
+	unsigned int cpu;
+
+	ovs_pcpu_storage = alloc_percpu(*ovs_pcpu_storage);
+	if (!ovs_pcpu_storage)
+		return -ENOMEM;
+
+	for_each_possible_cpu(cpu) {
+		struct ovs_pcpu_storage *ovs_pcpu;
+
+		ovs_pcpu = per_cpu_ptr(ovs_pcpu_storage, cpu);
+		local_lock_init(&ovs_pcpu->bh_lock);
+	}
+	return 0;
+}
+
+static void ovs_free_percpu_storage(void)
+{
+	free_percpu(ovs_pcpu_storage);
+}
+
 static int __init dp_init(void)
 {
 	int err;
@@ -2753,6 +2775,10 @@ static int __init dp_init(void)
 
 	pr_info("Open vSwitch switching datapath\n");
 
+	err = ovs_alloc_percpu_storage();
+	if (err)
+		goto error;
+
 	err = ovs_internal_dev_rtnl_link_register();
 	if (err)
 		goto error;
@@ -2799,6 +2825,7 @@ error_flow_exit:
 error_unreg_rtnl_link:
 	ovs_internal_dev_rtnl_link_unregister();
 error:
+	ovs_free_percpu_storage();
 	return err;
 }
 
@@ -2813,6 +2840,7 @@ static void dp_cleanup(void)
 	ovs_vport_exit();
 	ovs_flow_exit();
 	ovs_internal_dev_rtnl_link_unregister();
+	ovs_free_percpu_storage();
 }
 
 module_init(dp_init);