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

Pull networking updates from David Miller:
 "Here is what we have this merge window:

   1) Support SW steering for mlx5 Connect-X6Dx, from Yevgeny Kliteynik.

   2) Add RSS multi group support to octeontx2-pf driver, from Geetha
      Sowjanya.

   3) Add support for KS8851 PHY. From Marek Vasut.

   4) Add support for GarfieldPeak bluetooth controller from Kiran K.

   5) Add support for half-duplex tcan4x5x can controllers.

   6) Add batch skb rx processing to bcrm63xx_enet, from Sieng Piaw
      Liew.

   7) Rework RX port offload infrastructure, particularly wrt, UDP
      tunneling, from Jakub Kicinski.

   8) Add BCM72116 PHY support, from Florian Fainelli.

   9) Remove Dsa specific notifiers, they are unnecessary. From Vladimir
      Oltean.

  10) Add support for picosecond rx delay in dwmac-meson8b chips. From
      Martin Blumenstingl.

  11) Support TSO on xfrm interfaces from Eyal Birger.

  12) Add support for MP_PRIO to mptcp stack, from Geliang Tang.

  13) Support BCM4908 integrated switch, from Rafał Miłecki.

  14) Support for directly accessing kernel module variables via module
      BTF info, from Andrii Naryiko.

  15) Add DASH (esktop and mobile Architecture for System Hardware)
      support to r8169 driver, from Heiner Kallweit.

  16) Add rx vlan filtering to dpaa2-eth, from Ionut-robert Aron.

  17) Add support for 100 base0x SFP devices, from Bjarni Jonasson.

  18) Support link aggregation in DSA, from Tobias Waldekranz.

  19) Support for bitwidse atomics in bpf, from Brendan Jackman.

  20) SmartEEE support in at803x driver, from Russell King.

  21) Add support for flow based tunneling to GTP, from Pravin B Shelar.

  22) Allow arbitrary number of interconnrcts in ipa, from Alex Elder.

  23) TLS RX offload for bonding, from Tariq Toukan.

  24) RX decap offklload support in mac80211, from Felix Fietkou.

  25) devlink health saupport in octeontx2-af, from George Cherian.

  26) Add TTL attr to SCM_TIMESTAMP_OPT_STATS, from Yousuk Seung

  27) Delegated actionss support in mptcp, from Paolo Abeni.

  28) Support receive timestamping when doin zerocopy tcp receive. From
      Arjun Ray.

  29) HTB offload support for mlx5, from Maxim Mikityanskiy.

  30) UDP GRO forwarding, from Maxim Mikityanskiy.

  31) TAPRIO offloading in dsa hellcreek driver, from Kurt Kanzenbach.

  32) Weighted random twos choice algorithm for ipvs, from Darby Payne.

  33) Fix netdev registration deadlock, from Johannes Berg.

  34) Various conversions to new tasklet api, from EmilRenner Berthing.

  35) Bulk skb allocations in veth, from Lorenzo Bianconi.

  36) New ethtool interface for lane setting, from Danielle Ratson.

  37) Offload failiure notifications for routes, from Amit Cohen.

  38) BCM4908 support, from Rafał Miłecki.

  39) Support several new iwlwifi chips, from Ihab Zhaika.

  40) Flow drector support for ipv6 in i40e, from Przemyslaw Patynowski.

  41) Support for mhi prrotocols, from Loic Poulain.

  42) Optimize bpf program stats.

  43) Implement RFC6056, for better port randomization, from Eric
      Dumazet.

  44) hsr tag offloading support from George McCollister.

  45) Netpoll support in qede, from Bhaskar Upadhaya.

  46) 2005/400g speed support in bonding 3ad mode, from Nikolay
      Aleksandrov.

  47) Netlink event support in mptcp, from Florian Westphal.

  48) Better skbuff caching, from Alexander Lobakin.

  49) MRP (Media Redundancy Protocol) offloading in DSA and a few
      drivers, from Horatiu Vultur.

  50) mqprio saupport in mvneta, from Maxime Chevallier.

  51) Remove of_phy_attach, no longer needed, from Florian Fainelli"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1766 commits)
  octeontx2-pf: Fix otx2_get_fecparam()
  cteontx2-pf: cn10k: Prevent harmless double shift bugs
  net: stmmac: Add PCI bus info to ethtool driver query output
  ptp: ptp_clockmatrix: clean-up - parenthesis around a == b are unnecessary
  ptp: ptp_clockmatrix: Simplify code - remove unnecessary `err` variable.
  ptp: ptp_clockmatrix: Coding style - tighten vertical spacing.
  ptp: ptp_clockmatrix: Clean-up dev_*() messages.
  ptp: ptp_clockmatrix: Remove unused header declarations.
  ptp: ptp_clockmatrix: Add alignment of 1 PPS to idtcm_perout_enable.
  ptp: ptp_clockmatrix: Add wait_for_sys_apll_dpll_lock.
  net: stmmac: dwmac-sun8i: Add a shutdown callback
  net: stmmac: dwmac-sun8i: Minor probe function cleanup
  net: stmmac: dwmac-sun8i: Use reset_control_reset
  net: stmmac: dwmac-sun8i: Remove unnecessary PHY power check
  net: stmmac: dwmac-sun8i: Return void from PHY unpower
  r8169: use macro pm_ptr
  net: mdio: Remove of_phy_attach()
  net: mscc: ocelot: select PACKING in the Kconfig
  net: re-solve some conflicts after net -> net-next merge
  net: dsa: tag_rtl4_a: Support also egress tags
  ...

1 files changed, 30 insertions, 19 deletions

diff --git a/net/bridge/br_mrp.c b/net/bridge/br_mrp.c
index 5aeae6ad17b3..12487f6fe9b4 100644
--- a/net/bridge/br_mrp.c
+++ b/net/bridge/br_mrp.c
@@ -639,7 +639,7 @@ int br_mrp_set_ring_role(struct net_bridge *br,
 			 struct br_mrp_ring_role *role)
 {
 	struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);
-	int err;
+	enum br_mrp_hw_support support;
 
 	if (!mrp)
 		return -EINVAL;
@@ -647,9 +647,9 @@ int br_mrp_set_ring_role(struct net_bridge *br,
 	mrp->ring_role = role->ring_role;
 
 	/* If there is an error just bailed out */
-	err = br_mrp_switchdev_set_ring_role(br, mrp, role->ring_role);
-	if (err && err != -EOPNOTSUPP)
-		return err;
+	support = br_mrp_switchdev_set_ring_role(br, mrp, role->ring_role);
+	if (support == BR_MRP_NONE)
+		return -EOPNOTSUPP;
 
 	/* Now detect if the HW actually applied the role or not. If the HW
 	 * applied the role it means that the SW will not to do those operations
@@ -657,7 +657,7 @@ int br_mrp_set_ring_role(struct net_bridge *br,
 	 * SW when ring is open, but if the is not pushed to the HW the SW will
 	 * need to detect when the ring is open
 	 */
-	mrp->ring_role_offloaded = err == -EOPNOTSUPP ? 0 : 1;
+	mrp->ring_role_offloaded = support == BR_MRP_SW ? 0 : 1;
 
 	return 0;
 }
@@ -670,6 +670,7 @@ int br_mrp_start_test(struct net_bridge *br,
 		      struct br_mrp_start_test *test)
 {
 	struct br_mrp *mrp = br_mrp_find_id(br, test->ring_id);
+	enum br_mrp_hw_support support;
 
 	if (!mrp)
 		return -EINVAL;
@@ -677,9 +678,13 @@ int br_mrp_start_test(struct net_bridge *br,
 	/* Try to push it to the HW and if it fails then continue with SW
 	 * implementation and if that also fails then return error.
 	 */
-	if (!br_mrp_switchdev_send_ring_test(br, mrp, test->interval,
-					     test->max_miss, test->period,
-					     test->monitor))
+	support = br_mrp_switchdev_send_ring_test(br, mrp, test->interval,
+						  test->max_miss, test->period,
+						  test->monitor);
+	if (support == BR_MRP_NONE)
+		return -EOPNOTSUPP;
+
+	if (support == BR_MRP_HW)
 		return 0;
 
 	mrp->test_interval = test->interval;
@@ -721,8 +726,8 @@ int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state)
 int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)
 {
 	struct br_mrp *mrp = br_mrp_find_id(br, role->ring_id);
+	enum br_mrp_hw_support support;
 	struct net_bridge_port *p;
-	int err;
 
 	if (!mrp)
 		return -EINVAL;
@@ -780,10 +785,10 @@ int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)
 	mrp->in_id = role->in_id;
 
 	/* If there is an error just bailed out */
-	err = br_mrp_switchdev_set_in_role(br, mrp, role->in_id,
-					   role->ring_id, role->in_role);
-	if (err && err != -EOPNOTSUPP)
-		return err;
+	support = br_mrp_switchdev_set_in_role(br, mrp, role->in_id,
+					       role->ring_id, role->in_role);
+	if (support == BR_MRP_NONE)
+		return -EOPNOTSUPP;
 
 	/* Now detect if the HW actually applied the role or not. If the HW
 	 * applied the role it means that the SW will not to do those operations
@@ -791,7 +796,7 @@ int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role)
 	 * SW when interconnect ring is open, but if the is not pushed to the HW
 	 * the SW will need to detect when the interconnect ring is open.
 	 */
-	mrp->in_role_offloaded = err == -EOPNOTSUPP ? 0 : 1;
+	mrp->in_role_offloaded = support == BR_MRP_SW ? 0 : 1;
 
 	return 0;
 }
@@ -804,6 +809,7 @@ int br_mrp_start_in_test(struct net_bridge *br,
 			 struct br_mrp_start_in_test *in_test)
 {
 	struct br_mrp *mrp = br_mrp_find_in_id(br, in_test->in_id);
+	enum br_mrp_hw_support support;
 
 	if (!mrp)
 		return -EINVAL;
@@ -814,8 +820,13 @@ int br_mrp_start_in_test(struct net_bridge *br,
 	/* Try to push it to the HW and if it fails then continue with SW
 	 * implementation and if that also fails then return error.
 	 */
-	if (!br_mrp_switchdev_send_in_test(br, mrp, in_test->interval,
-					   in_test->max_miss, in_test->period))
+	support =  br_mrp_switchdev_send_in_test(br, mrp, in_test->interval,
+						 in_test->max_miss,
+						 in_test->period);
+	if (support == BR_MRP_NONE)
+		return -EOPNOTSUPP;
+
+	if (support == BR_MRP_HW)
 		return 0;
 
 	mrp->in_test_interval = in_test->interval;
@@ -828,7 +839,7 @@ int br_mrp_start_in_test(struct net_bridge *br,
 	return 0;
 }
 
-/* Determin if the frame type is a ring frame */
+/* Determine if the frame type is a ring frame */
 static bool br_mrp_ring_frame(struct sk_buff *skb)
 {
 	const struct br_mrp_tlv_hdr *hdr;
@@ -848,7 +859,7 @@ static bool br_mrp_ring_frame(struct sk_buff *skb)
 	return false;
 }
 
-/* Determin if the frame type is an interconnect frame */
+/* Determine if the frame type is an interconnect frame */
 static bool br_mrp_in_frame(struct sk_buff *skb)
 {
 	const struct br_mrp_tlv_hdr *hdr;
@@ -897,7 +908,7 @@ static void br_mrp_mrm_process(struct br_mrp *mrp, struct net_bridge_port *port,
 		br_mrp_ring_port_open(port->dev, false);
 }
 
-/* Determin if the test hdr has a better priority than the node */
+/* Determine if the test hdr has a better priority than the node */
 static bool br_mrp_test_better_than_own(struct br_mrp *mrp,
 					struct net_bridge *br,
 					const struct br_mrp_ring_test_hdr *hdr)