tty: serial: mpc52xx_uart: move static declarations up.grafted

Avoid a compilation error so that they're not used before being
declared.

Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 304 insertions, 0 deletions

diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
new file mode 100644
index 000000000..cb7f8bf15
--- /dev/null
+++ b/include/net/netns/ipv4.h
@@ -0,0 +1,304 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ipv4 in net namespaces
+ */
+
+#ifndef __NETNS_IPV4_H__
+#define __NETNS_IPV4_H__
+
+#include <linux/uidgid.h>
+#include <net/inet_frag.h>
+#include <linux/rcupdate.h>
+#include <linux/seqlock.h>
+#include <linux/siphash.h>
+
+struct ctl_table_header;
+struct ipv4_devconf;
+struct fib_rules_ops;
+struct hlist_head;
+struct fib_table;
+struct sock;
+struct local_ports {
+	u32		range;	/* high << 16 | low */
+	bool		warned;
+};
+
+struct ping_group_range {
+	seqlock_t	lock;
+	kgid_t		range[2];
+};
+
+struct inet_hashinfo;
+
+struct inet_timewait_death_row {
+	refcount_t		tw_refcount;
+
+	/* Padding to avoid false sharing, tw_refcount can be often written */
+	struct inet_hashinfo 	*hashinfo ____cacheline_aligned_in_smp;
+	int			sysctl_max_tw_buckets;
+};
+
+struct tcp_fastopen_context;
+
+#ifdef CONFIG_IP_ROUTE_MULTIPATH
+struct sysctl_fib_multipath_hash_seed {
+	u32 user_seed;
+	u32 mp_seed;
+};
+#endif
+
+struct udp_tunnel_gro {
+	struct sock __rcu *sk;
+	struct hlist_head list;
+};
+
+struct netns_ipv4 {
+	/* Cacheline organization can be found documented in
+	 * Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst.
+	 * Please update the document when adding new fields.
+	 */
+
+	/* TX readonly hotpath cache lines */
+	__cacheline_group_begin(netns_ipv4_read_tx);
+	u8 sysctl_tcp_early_retrans;
+	u8 sysctl_tcp_tso_win_divisor;
+	u8 sysctl_tcp_tso_rtt_log;
+	u8 sysctl_tcp_autocorking;
+	int sysctl_tcp_min_snd_mss;
+	unsigned int sysctl_tcp_notsent_lowat;
+	int sysctl_tcp_limit_output_bytes;
+	int sysctl_tcp_min_rtt_wlen;
+	int sysctl_tcp_wmem[3];
+	u8 sysctl_ip_fwd_use_pmtu;
+	__cacheline_group_end(netns_ipv4_read_tx);
+
+	/* TXRX readonly hotpath cache lines */
+	__cacheline_group_begin(netns_ipv4_read_txrx);
+	u8		sysctl_tcp_shrink_window;
+	__cacheline_group_end(netns_ipv4_read_txrx);
+
+	/* RX readonly hotpath cache line */
+	__cacheline_group_begin(netns_ipv4_read_rx);
+	u8 sysctl_tcp_moderate_rcvbuf;
+	u8 sysctl_ip_early_demux;
+	u8 sysctl_tcp_early_demux;
+	u8 sysctl_tcp_l3mdev_accept;
+	/* 3 bytes hole, try to pack */
+	int sysctl_tcp_reordering;
+	int sysctl_tcp_rmem[3];
+	int sysctl_tcp_rcvbuf_low_rtt;
+	__cacheline_group_end(netns_ipv4_read_rx);
+
+	/* ICMP rate limiter hot cache line. */
+	__cacheline_group_begin_aligned(icmp);
+	atomic_t	icmp_global_credit;
+	u32		icmp_global_stamp;
+	__cacheline_group_end_aligned(icmp);
+
+	struct inet_timewait_death_row tcp_death_row;
+	struct udp_table *udp_table;
+
+#if IS_ENABLED(CONFIG_NET_UDP_TUNNEL)
+	/* Not in a pernet subsys because need to be available at GRO stage */
+	struct udp_tunnel_gro udp_tunnel_gro[2];
+#endif
+
+#ifdef CONFIG_SYSCTL
+	struct ctl_table_header	*forw_hdr;
+	struct ctl_table_header	*frags_hdr;
+	struct ctl_table_header	*ipv4_hdr;
+	struct ctl_table_header *route_hdr;
+	struct ctl_table_header *xfrm4_hdr;
+#endif
+	struct ipv4_devconf	*devconf_all;
+	struct ipv4_devconf	*devconf_dflt;
+	struct ip_ra_chain __rcu *ra_chain;
+	struct mutex		ra_mutex;
+#ifdef CONFIG_IP_MULTIPLE_TABLES
+	struct fib_rules_ops	*rules_ops;
+	struct fib_table __rcu	*fib_main;
+	struct fib_table __rcu	*fib_default;
+	spinlock_t		fib_table_hash_lock;
+	unsigned int		fib_rules_require_fldissect;
+	bool			fib_has_custom_rules;
+#endif
+	bool			fib_has_custom_local_routes;
+	bool			fib_offload_disabled;
+#ifdef CONFIG_IP_ROUTE_CLASSID
+	atomic_t		fib_num_tclassid_users;
+#endif
+	struct hlist_head	*fib_table_hash;
+	struct sock		*fibnl;
+	struct hlist_head	*fib_info_hash;
+	unsigned int		fib_info_hash_bits;
+	unsigned int		fib_info_cnt;
+
+	struct sock		*mc_autojoin_sk;
+
+	struct inet_peer_base	*peers;
+	struct fqdir		*fqdir;
+
+	u8 sysctl_icmp_echo_ignore_all;
+	u8 sysctl_icmp_echo_enable_probe;
+	u8 sysctl_icmp_echo_ignore_broadcasts;
+	u8 sysctl_icmp_ignore_bogus_error_responses;
+	u8 sysctl_icmp_errors_use_inbound_ifaddr;
+	u8 sysctl_icmp_errors_extension_mask;
+	int sysctl_icmp_ratelimit;
+	int sysctl_icmp_ratemask;
+	int sysctl_icmp_msgs_per_sec;
+	int sysctl_icmp_msgs_burst;
+
+	u32 ip_rt_min_pmtu;
+	int ip_rt_mtu_expires;
+	int ip_rt_min_advmss;
+
+	struct local_ports ip_local_ports;
+
+	u8 sysctl_tcp_ecn;
+	u8 sysctl_tcp_ecn_option;
+	u8 sysctl_tcp_ecn_option_beacon;
+	u8 sysctl_tcp_ecn_fallback;
+
+	u8 sysctl_ip_default_ttl;
+	u8 sysctl_ip_no_pmtu_disc;
+	u8 sysctl_ip_fwd_update_priority;
+	u8 sysctl_ip_nonlocal_bind;
+	u8 sysctl_ip_autobind_reuse;
+	/* Shall we try to damage output packets if routing dev changes? */
+	u8 sysctl_ip_dynaddr;
+	u32 sysctl_ip_local_port_step_width;
+#ifdef CONFIG_NET_L3_MASTER_DEV
+	u8 sysctl_raw_l3mdev_accept;
+#endif
+	u8 sysctl_udp_early_demux;
+
+	u8 sysctl_nexthop_compat_mode;
+
+	u8 sysctl_fwmark_reflect;
+	u8 sysctl_tcp_fwmark_accept;
+	u8 sysctl_tcp_mtu_probing;
+	int sysctl_tcp_mtu_probe_floor;
+	int sysctl_tcp_base_mss;
+	int sysctl_tcp_probe_threshold;
+	u32 sysctl_tcp_probe_interval;
+
+	int sysctl_tcp_keepalive_time;
+	int sysctl_tcp_keepalive_intvl;
+	u8 sysctl_tcp_keepalive_probes;
+
+	u8 sysctl_tcp_syn_retries;
+	u8 sysctl_tcp_synack_retries;
+	u8 sysctl_tcp_syncookies;
+	u8 sysctl_tcp_migrate_req;
+	u8 sysctl_tcp_comp_sack_nr;
+	u8 sysctl_tcp_backlog_ack_defer;
+	u8 sysctl_tcp_pingpong_thresh;
+
+	u8 sysctl_tcp_retries1;
+	u8 sysctl_tcp_retries2;
+	u8 sysctl_tcp_orphan_retries;
+	u8 sysctl_tcp_tw_reuse;
+	unsigned int sysctl_tcp_tw_reuse_delay;
+	int sysctl_tcp_fin_timeout;
+	u8 sysctl_tcp_sack;
+	u8 sysctl_tcp_window_scaling;
+	u8 sysctl_tcp_timestamps;
+	int sysctl_tcp_rto_min_us;
+	int sysctl_tcp_rto_max_ms;
+	u8 sysctl_tcp_recovery;
+	u8 sysctl_tcp_thin_linear_timeouts;
+	u8 sysctl_tcp_slow_start_after_idle;
+	u8 sysctl_tcp_retrans_collapse;
+	u8 sysctl_tcp_stdurg;
+	u8 sysctl_tcp_rfc1337;
+	u8 sysctl_tcp_abort_on_overflow;
+	u8 sysctl_tcp_fack; /* obsolete */
+	int sysctl_tcp_max_reordering;
+	int sysctl_tcp_adv_win_scale; /* obsolete */
+	u8 sysctl_tcp_dsack;
+	u8 sysctl_tcp_app_win;
+	u8 sysctl_tcp_frto;
+	u8 sysctl_tcp_nometrics_save;
+	u8 sysctl_tcp_no_ssthresh_metrics_save;
+	u8 sysctl_tcp_workaround_signed_windows;
+	int sysctl_tcp_challenge_ack_limit;
+	u8 sysctl_tcp_min_tso_segs;
+	u8 sysctl_tcp_reflect_tos;
+	int sysctl_tcp_invalid_ratelimit;
+	int sysctl_tcp_pacing_ss_ratio;
+	int sysctl_tcp_pacing_ca_ratio;
+	unsigned int sysctl_tcp_child_ehash_entries;
+	int sysctl_tcp_comp_sack_rtt_percent;
+	unsigned long sysctl_tcp_comp_sack_delay_ns;
+	unsigned long sysctl_tcp_comp_sack_slack_ns;
+	int sysctl_max_syn_backlog;
+	int sysctl_tcp_fastopen;
+	const struct tcp_congestion_ops __rcu  *tcp_congestion_control;
+	struct tcp_fastopen_context __rcu *tcp_fastopen_ctx;
+	unsigned int sysctl_tcp_fastopen_blackhole_timeout;
+	atomic_t tfo_active_disable_times;
+	unsigned long tfo_active_disable_stamp;
+	u32 tcp_challenge_timestamp;
+	u32 tcp_challenge_count;
+	u8 sysctl_tcp_plb_enabled;
+	u8 sysctl_tcp_plb_idle_rehash_rounds;
+	u8 sysctl_tcp_plb_rehash_rounds;
+	u8 sysctl_tcp_plb_suspend_rto_sec;
+	int sysctl_tcp_plb_cong_thresh;
+
+	int sysctl_udp_wmem_min;
+	int sysctl_udp_rmem_min;
+
+	u8 sysctl_fib_notify_on_flag_change;
+	u8 sysctl_tcp_syn_linear_timeouts;
+
+#ifdef CONFIG_NET_L3_MASTER_DEV
+	u8 sysctl_udp_l3mdev_accept;
+#endif
+
+	u8 sysctl_igmp_llm_reports;
+	int sysctl_igmp_max_memberships;
+	int sysctl_igmp_max_msf;
+	int sysctl_igmp_qrv;
+
+	struct ping_group_range ping_group_range;
+	u16			ping_port_rover;
+
+	atomic_t dev_addr_genid;
+
+	unsigned int sysctl_udp_child_hash_entries;
+
+#ifdef CONFIG_SYSCTL
+	unsigned long *sysctl_local_reserved_ports;
+	int sysctl_ip_prot_sock;
+#endif
+
+#ifdef CONFIG_IP_MROUTE
+#ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
+	struct mr_table __rcu	*mrt;
+#else
+	struct list_head	mr_tables;
+	struct fib_rules_ops	*mr_rules_ops;
+#endif
+	struct fib_notifier_ops	*ipmr_notifier_ops;
+	atomic_t		ipmr_seq;
+	struct mutex		mfc_mutex;
+#endif
+#ifdef CONFIG_IP_ROUTE_MULTIPATH
+	struct sysctl_fib_multipath_hash_seed sysctl_fib_multipath_hash_seed;
+	u32 sysctl_fib_multipath_hash_fields;
+	u8 sysctl_fib_multipath_use_neigh;
+	u8 sysctl_fib_multipath_hash_policy;
+#endif
+
+	struct fib_notifier_ops	*notifier_ops;
+	unsigned int	fib_seq;	/* writes protected by rtnl_mutex */
+
+	atomic_t	rt_genid;
+	siphash_key_t	ip_id_key;
+	struct hlist_head	*inet_addr_lst;
+	struct delayed_work	addr_chk_work;
+};
+
+#endif