Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:
 "Another merge window, another pull full of stuff:

   1) Support alternative names for network devices, from Jiri Pirko.

   2) Introduce per-netns netdev notifiers, also from Jiri Pirko.

   3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara
      Larsen.

   4) Allow compiling out the TLS TOE code, from Jakub Kicinski.

   5) Add several new tracepoints to the kTLS code, also from Jakub.

   6) Support set channels ethtool callback in ena driver, from Sameeh
      Jubran.

   7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED,
      SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long.

   8) Add XDP support to mvneta driver, from Lorenzo Bianconi.

   9) Lots of netfilter hw offload fixes, cleanups and enhancements,
      from Pablo Neira Ayuso.

  10) PTP support for aquantia chips, from Egor Pomozov.

  11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From
      Josh Hunt.

  12) Add smart nagle to tipc, from Jon Maloy.

  13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat
      Duvvuru.

  14) Add a flow mask cache to OVS, from Tonghao Zhang.

  15) Add XDP support to ice driver, from Maciej Fijalkowski.

  16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak.

  17) Support UDP GSO offload in atlantic driver, from Igor Russkikh.

  18) Support it in stmmac driver too, from Jose Abreu.

  19) Support TIPC encryption and auth, from Tuong Lien.

  20) Introduce BPF trampolines, from Alexei Starovoitov.

  21) Make page_pool API more numa friendly, from Saeed Mahameed.

  22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni.

  23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits)
  libbpf: Fix usage of u32 in userspace code
  mm: Implement no-MMU variant of vmalloc_user_node_flags
  slip: Fix use-after-free Read in slip_open
  net: dsa: sja1105: fix sja1105_parse_rgmii_delays()
  macvlan: schedule bc_work even if error
  enetc: add support Credit Based Shaper(CBS) for hardware offload
  net: phy: add helpers phy_(un)lock_mdio_bus
  mdio_bus: don't use managed reset-controller
  ax88179_178a: add ethtool_op_get_ts_info()
  mlxsw: spectrum_router: Fix use of uninitialized adjacency index
  mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels
  bpf: Simplify __bpf_arch_text_poke poke type handling
  bpf: Introduce BPF_TRACE_x helper for the tracing tests
  bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT
  bpf, testing: Add various tail call test cases
  bpf, x86: Emit patchable direct jump as tail call
  bpf: Constant map key tracking for prog array pokes
  bpf: Add poke dependency tracking for prog array maps
  bpf: Add initial poke descriptor table for jit images
  bpf: Move owner type, jited info into array auxiliary data
  ...

1 files changed, 11 insertions, 8 deletions

diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index 8dbb4d48f2ed..67cb98489415 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -77,12 +77,12 @@ static inline bool is_leap(unsigned int y)
  * This is done in three separate functions so that the most expensive
  * calculations are done last, in case a "simple match" can be found earlier.
  */
-static inline unsigned int localtime_1(struct xtm *r, time_t time)
+static inline unsigned int localtime_1(struct xtm *r, time64_t time)
 {
 	unsigned int v, w;
 
 	/* Each day has 86400s, so finding the hour/minute is actually easy. */
-	v         = time % SECONDS_PER_DAY;
+	div_u64_rem(time, SECONDS_PER_DAY, &v);
 	r->second = v % 60;
 	w         = v / 60;
 	r->minute = w % 60;
@@ -90,13 +90,13 @@ static inline unsigned int localtime_1(struct xtm *r, time_t time)
 	return v;
 }
 
-static inline void localtime_2(struct xtm *r, time_t time)
+static inline void localtime_2(struct xtm *r, time64_t time)
 {
 	/*
 	 * Here comes the rest (weekday, monthday). First, divide the SSTE
 	 * by seconds-per-day to get the number of _days_ since the epoch.
 	 */
-	r->dse = time / 86400;
+	r->dse = div_u64(time, SECONDS_PER_DAY);
 
 	/*
 	 * 1970-01-01 (w=0) was a Thursday (4).
@@ -105,7 +105,7 @@ static inline void localtime_2(struct xtm *r, time_t time)
 	r->weekday = (4 + r->dse - 1) % 7 + 1;
 }
 
-static void localtime_3(struct xtm *r, time_t time)
+static void localtime_3(struct xtm *r, time64_t time)
 {
 	unsigned int year, i, w = r->dse;
 
@@ -160,7 +160,7 @@ time_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	const struct xt_time_info *info = par->matchinfo;
 	unsigned int packet_time;
 	struct xtm current_time;
-	s64 stamp;
+	time64_t stamp;
 
 	/*
 	 * We need real time here, but we can neither use skb->tstamp
@@ -173,14 +173,14 @@ time_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	 *	1. match before 13:00
 	 *	2. match after 13:00
 	 *
-	 * If you match against processing time (get_seconds) it
+	 * If you match against processing time (ktime_get_real_seconds) it
 	 * may happen that the same packet matches both rules if
 	 * it arrived at the right moment before 13:00, so it would be
 	 * better to check skb->tstamp and set it via __net_timestamp()
 	 * if needed.  This however breaks outgoing packets tx timestamp,
 	 * and causes them to get delayed forever by fq packet scheduler.
 	 */
-	stamp = get_seconds();
+	stamp = ktime_get_real_seconds();
 
 	if (info->flags & XT_TIME_LOCAL_TZ)
 		/* Adjust for local timezone */
@@ -193,6 +193,9 @@ time_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	 *   - 'now' is in the weekday mask
 	 *   - 'now' is in the daytime range time_start..time_end
 	 * (and by default, libxt_time will set these so as to match)
+	 *
+	 * note: info->date_start/stop are unsigned 32-bit values that
+	 *	 can hold values beyond y2038, but not after y2106.
 	 */
 
 	if (stamp < info->date_start || stamp > info->date_stop)