Networking fixes for 6.3-rc2, including fixes from netfilter, bpf

Current release - regressions:
 
   - core: avoid skb end_offset change in __skb_unclone_keeptruesize()
 
   - sched:
     - act_connmark: handle errno on tcf_idr_check_alloc
     - flower: fix fl_change() error recovery path
 
   - ieee802154: prevent user from crashing the host
 
 Current release - new code bugs:
 
   - eth: bnxt_en: fix the double free during device removal
 
   - tools: ynl:
     - fix enum-as-flags in the generic CLI
     - fully inherit attrs in subsets
     - re-license uniformly under GPL-2.0 or BSD-3-clause
 
 Previous releases - regressions:
 
   - core: use indirect calls helpers for sk_exit_memory_pressure()
 
   - tls:
     - fix return value for async crypto
     - avoid hanging tasks on the tx_lock
 
   - eth: ice: copy last block omitted in ice_get_module_eeprom()
 
 Previous releases - always broken:
 
   - core: avoid double iput when sock_alloc_file fails
 
   - af_unix: fix struct pid leaks in OOB support
 
   - tls:
     - fix possible race condition
     - fix device-offloaded sendpage straddling records
 
   - bpf:
     - sockmap: fix an infinite loop error
     - test_run: fix &xdp_frame misplacement for LIVE_FRAMES
     - fix resolving BTF_KIND_VAR after ARRAY, STRUCT, UNION, PTR
 
   - netfilter: tproxy: fix deadlock due to missing BH disable
 
   - phylib: get rid of unnecessary locking
 
   - eth: bgmac: fix *initial* chip reset to support BCM5358
 
   - eth: nfp: fix csum for ipsec offload
 
   - eth: mtk_eth_soc: fix RX data corruption issue
 
 Misc:
 
   - usb: qmi_wwan: add telit 0x1080 composition
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter and bpf.

  Current release - regressions:

   - core: avoid skb end_offset change in __skb_unclone_keeptruesize()

   - sched:
      - act_connmark: handle errno on tcf_idr_check_alloc
      - flower: fix fl_change() error recovery path

   - ieee802154: prevent user from crashing the host

  Current release - new code bugs:

   - eth: bnxt_en: fix the double free during device removal

   - tools: ynl:
      - fix enum-as-flags in the generic CLI
      - fully inherit attrs in subsets
      - re-license uniformly under GPL-2.0 or BSD-3-clause

  Previous releases - regressions:

   - core: use indirect calls helpers for sk_exit_memory_pressure()

   - tls:
      - fix return value for async crypto
      - avoid hanging tasks on the tx_lock

   - eth: ice: copy last block omitted in ice_get_module_eeprom()

  Previous releases - always broken:

   - core: avoid double iput when sock_alloc_file fails

   - af_unix: fix struct pid leaks in OOB support

   - tls:
      - fix possible race condition
      - fix device-offloaded sendpage straddling records

   - bpf:
      - sockmap: fix an infinite loop error
      - test_run: fix &xdp_frame misplacement for LIVE_FRAMES
      - fix resolving BTF_KIND_VAR after ARRAY, STRUCT, UNION, PTR

   - netfilter: tproxy: fix deadlock due to missing BH disable

   - phylib: get rid of unnecessary locking

   - eth: bgmac: fix *initial* chip reset to support BCM5358

   - eth: nfp: fix csum for ipsec offload

   - eth: mtk_eth_soc: fix RX data corruption issue

  Misc:

   - usb: qmi_wwan: add telit 0x1080 composition"

* tag 'net-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (64 commits)
  tools: ynl: fix enum-as-flags in the generic CLI
  tools: ynl: move the enum classes to shared code
  net: avoid double iput when sock_alloc_file fails
  af_unix: fix struct pid leaks in OOB support
  eth: fealnx: bring back this old driver
  net: dsa: mt7530: permit port 5 to work without port 6 on MT7621 SoC
  net: microchip: sparx5: fix deletion of existing DSCP mappings
  octeontx2-af: Unlock contexts in the queue context cache in case of fault detection
  net/smc: fix fallback failed while sendmsg with fastopen
  ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause
  mailmap: update entries for Stephen Hemminger
  mailmap: add entry for Maxim Mikityanskiy
  nfc: change order inside nfc_se_io error path
  ethernet: ice: avoid gcc-9 integer overflow warning
  ice: don't ignore return codes in VSI related code
  ice: Fix DSCP PFC TLV creation
  net: usb: qmi_wwan: add Telit 0x1080 composition
  net: usb: cdc_mbim: avoid altsetting toggling for Telit FE990
  netfilter: conntrack: adopt safer max chain length
  net: tls: fix device-offloaded sendpage straddling records
  ...

.mailmap

@@ -306,6 +306,8 @@ Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@osg.samsung.com>
 Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@redhat.com>
 Mauro Carvalho Chehab <mchehab@kernel.org> <m.chehab@samsung.com>
 Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@s-opensource.com>
+Maxim Mikityanskiy <maxtram95@gmail.com> <maximmi@mellanox.com>
+Maxim Mikityanskiy <maxtram95@gmail.com> <maximmi@nvidia.com>
 Maxime Ripard <mripard@kernel.org> <maxime.ripard@bootlin.com>
 Maxime Ripard <mripard@kernel.org> <maxime.ripard@free-electrons.com>
 Mayuresh Janorkar <mayur@ti.com>
@@ -411,7 +413,10 @@ Shuah Khan <shuah@kernel.org> <shuah.kh@samsung.com>
 Simon Arlott <simon@octiron.net> <simon@fire.lp0.eu>
 Simon Kelley <simon@thekelleys.org.uk>
 Stéphane Witzmann <stephane.witzmann@ubpmes.univ-bpclermont.fr>
-Stephen Hemminger <shemminger@osdl.org>
+Stephen Hemminger <stephen@networkplumber.org> <shemminger@linux-foundation.org>
+Stephen Hemminger <stephen@networkplumber.org> <shemminger@osdl.org>
+Stephen Hemminger <stephen@networkplumber.org> <sthemmin@microsoft.com>
+Stephen Hemminger <stephen@networkplumber.org> <sthemmin@vyatta.com>
 Steve Wise <larrystevenwise@gmail.com> <swise@chelsio.com>
 Steve Wise <larrystevenwise@gmail.com> <swise@opengridcomputing.com>
 Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>

Documentation/bpf/bpf_devel_QA.rst

@@ -7,8 +7,8 @@ workflows related to reporting bugs, submitting patches, and queueing
 patches for stable kernels.
 
 For general information about submitting patches, please refer to
-`Documentation/process/`_. This document only describes additional specifics
+Documentation/process/submitting-patches.rst. This document only describes
-related to BPF.
+additional specifics related to BPF.
 
 .. contents::
     :local:
@@ -461,15 +461,15 @@ needed::
 
   $ sudo make run_tests
 
-See the kernels selftest `Documentation/dev-tools/kselftest.rst`_
+See :doc:`kernel selftest documentation </dev-tools/kselftest>`
-document for further documentation.
+for details.
 
 To maximize the number of tests passing, the .config of the kernel
 under test should match the config file fragment in
 tools/testing/selftests/bpf as closely as possible.
 
 Finally to ensure support for latest BPF Type Format features -
-discussed in `Documentation/bpf/btf.rst`_ - pahole version 1.16
+discussed in Documentation/bpf/btf.rst - pahole version 1.16
 is required for kernels built with CONFIG_DEBUG_INFO_BTF=y.
 pahole is delivered in the dwarves package or can be built
 from source at
@@ -684,12 +684,8 @@ when:
 
 
 .. Links
-.. _Documentation/process/: https://www.kernel.org/doc/html/latest/process/
 .. _netdev-FAQ: Documentation/process/maintainer-netdev.rst
 .. _selftests:
    https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/testing/selftests/bpf/
-.. _Documentation/dev-tools/kselftest.rst:
-   https://www.kernel.org/doc/html/latest/dev-tools/kselftest.html
-.. _Documentation/bpf/btf.rst: btf.rst
 
 Happy BPF hacking!

Documentation/netlink/genetlink-c.yaml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 %YAML 1.2
 ---
 $id: http://kernel.org/schemas/netlink/genetlink-c.yaml#

Documentation/netlink/genetlink-legacy.yaml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 %YAML 1.2
 ---
 $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml#

Documentation/netlink/genetlink.yaml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 %YAML 1.2
 ---
 $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml#

Documentation/netlink/specs/ethtool.yaml

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
 name: ethtool
 
 protocol: genetlink-legacy
@@ -11,7 +13,6 @@ attribute-sets:
       -
         name: dev-index
         type: u32
-        value: 1
       -
         name: dev-name
         type: string
@@ -25,7 +26,6 @@ attribute-sets:
       -
         name: index
         type: u32
-        value: 1
       -
         name: name
         type: string
@@ -39,14 +39,12 @@ attribute-sets:
         name: bit
         type: nest
         nested-attributes: bitset-bit
-        value: 1
   -
     name: bitset
     attributes:
       -
         name: nomask
         type: flag
-        value: 1
       -
         name: size
         type: u32
@@ -61,7 +59,6 @@ attribute-sets:
       -
         name: index
         type: u32
-        value: 1
       -
         name: value
         type: string
@@ -71,7 +68,6 @@ attribute-sets:
       -
         name: string
         type: nest
-        value: 1
         multi-attr: true
         nested-attributes: string
   -
@@ -80,7 +76,6 @@ attribute-sets:
       -
         name: id
         type: u32
-        value: 1
       -
         name: count
         type: u32
@@ -96,14 +91,12 @@ attribute-sets:
         name: stringset
         type: nest
         multi-attr: true
-        value: 1
         nested-attributes: stringset
   -
     name: strset
     attributes:
       -
         name: header
-        value: 1
         type: nest
         nested-attributes: header
       -
@@ -119,7 +112,6 @@ attribute-sets:
     attributes:
       -
         name: header
-        value: 1
         type: nest
         nested-attributes: header
       -
@@ -132,7 +124,6 @@ attribute-sets:
     attributes:
       -
         name: header
-        value: 1
         type: nest
         nested-attributes: header
       -
@@ -180,7 +171,6 @@ attribute-sets:
     attributes:
       -
         name: pad
-        value: 1
         type: pad
       -
         name: reassembly-errors
@@ -205,7 +195,6 @@ attribute-sets:
     attributes:
       -
         name: header
-        value: 1
         type: nest
         nested-attributes: header
       -
@@ -251,13 +240,11 @@ operations:
 
       do: &strset-get-op
         request:
-          value: 1
           attributes:
             - header
             - stringsets
             - counts-only
         reply:
-          value: 1
           attributes:
             - header
             - stringsets

Documentation/netlink/specs/fou.yaml

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
 name: fou
 
 protocol: genetlink-legacy
@@ -26,6 +28,7 @@ attribute-sets:
       -
         name: unspec
         type: unused
+        value: 0
       -
         name: port
         type: u16
@@ -71,6 +74,7 @@ operations:
     -
       name: unspec
       doc: unused
+      value: 0
 
     -
       name: add

Documentation/netlink/specs/netdev.yaml

@@ -1,3 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+
 name: netdev
 
 doc:
@@ -48,7 +50,6 @@ attribute-sets:
         name: ifindex
         doc: netdev ifindex
         type: u32
-        value: 1
         checks:
           min: 1
       -
@@ -66,7 +67,6 @@ operations:
     -
       name: dev-get
       doc: Get / dump information about a netdev.
-      value: 1
       attribute-set: dev
       do:
         request:

Documentation/userspace-api/netlink/specs.rst

@@ -24,6 +24,9 @@ YAML specifications can be found under ``Documentation/netlink/specs/``
 This document describes details of the schema.
 See :doc:`intro-specs` for a practical starting guide.
 
+All specs must be licensed under ``GPL-2.0-only OR BSD-3-Clause``
+to allow for easy adoption in user space code.
+
 Compatibility levels
 ====================
 
@@ -197,9 +200,15 @@ value
 Numerical attribute ID, used in serialized Netlink messages.
 The ``value`` property can be skipped, in which case the attribute ID
 will be the value of the previous attribute plus one (recursively)
-and ``0`` for the first attribute in the attribute set.
+and ``1`` for the first attribute in the attribute set.
 
-Note that the ``value`` of an attribute is defined only in its main set.
+Attributes (and operations) use ``1`` as the default value for the first
+entry (unlike enums in definitions which start from ``0``) because
+entry ``0`` is almost always reserved as undefined. Spec can explicitly
+set value to ``0`` if needed.
+
+Note that the ``value`` of an attribute is defined only in its main set
+(not in subsets).
 
 enum
 ~~~~

arch/mips/configs/mtx1_defconfig

@@ -284,6 +284,7 @@ CONFIG_IXGB=m
 CONFIG_SKGE=m
 CONFIG_SKY2=m
 CONFIG_MYRI10GE=m
+CONFIG_FEALNX=m
 CONFIG_NATSEMI=m
 CONFIG_NS83820=m
 CONFIG_S2IO=m

arch/powerpc/boot/dts/fsl/t1040rdb-rev-a.dts

@@ -10,7 +10,6 @@
 
 / {
 	model = "fsl,T1040RDB-REV-A";
-	compatible = "fsl,T1040RDB-REV-A";
 };
 
 &seville_port0 {

arch/powerpc/boot/dts/fsl/t1040rdb.dts

@@ -180,6 +180,9 @@
 };
 
 &seville_port8 {
-	ethernet = <&enet0>;
+	status = "okay";
+};
+
+&seville_port9 {
 	status = "okay";
 };

arch/powerpc/boot/dts/fsl/t1040si-post.dtsi

@@ -686,6 +686,7 @@
 			seville_port8: port@8 {
 				reg = <8>;
 				phy-mode = "internal";
+				ethernet = <&enet0>;
 				status = "disabled";
 
 				fixed-link {
@@ -697,6 +698,7 @@
 			seville_port9: port@9 {
 				reg = <9>;
 				phy-mode = "internal";
+				ethernet = <&enet1>;
 				status = "disabled";
 
 				fixed-link {

arch/powerpc/configs/ppc6xx_defconfig

@@ -461,6 +461,7 @@ CONFIG_MV643XX_ETH=m
 CONFIG_SKGE=m
 CONFIG_SKY2=m
 CONFIG_MYRI10GE=m
+CONFIG_FEALNX=m
 CONFIG_NATSEMI=m
 CONFIG_NS83820=m
 CONFIG_PCMCIA_AXNET=m

arch/riscv/net/bpf_jit_comp64.c

@@ -10,6 +10,7 @@
 #include <linux/filter.h>
 #include <linux/memory.h>
 #include <linux/stop_machine.h>
+#include <asm/patch.h>
 #include "bpf_jit.h"
 
 #define RV_REG_TCC RV_REG_A6

drivers/net/dsa/mt7530.c

@@ -393,6 +393,24 @@ mt7530_fdb_write(struct mt7530_priv *priv, u16 vid,
 		mt7530_write(priv, MT7530_ATA1 + (i * 4), reg[i]);
 }
 
+/* Set up switch core clock for MT7530 */
+static void mt7530_pll_setup(struct mt7530_priv *priv)
+{
+	/* Disable PLL */
+	core_write(priv, CORE_GSWPLL_GRP1, 0);
+
+	/* Set core clock into 500Mhz */
+	core_write(priv, CORE_GSWPLL_GRP2,
+		   RG_GSWPLL_POSDIV_500M(1) |
+		   RG_GSWPLL_FBKDIV_500M(25));
+
+	/* Enable PLL */
+	core_write(priv, CORE_GSWPLL_GRP1,
+		   RG_GSWPLL_EN_PRE |
+		   RG_GSWPLL_POSDIV_200M(2) |
+		   RG_GSWPLL_FBKDIV_200M(32));
+}
+
 /* Setup TX circuit including relevant PAD and driving */
 static int
 mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t interface)
@@ -453,21 +471,6 @@ mt7530_pad_clk_setup(struct dsa_switch *ds, phy_interface_t interface)
 	core_clear(priv, CORE_TRGMII_GSW_CLK_CG,
 		   REG_GSWCK_EN | REG_TRGMIICK_EN);
 
-	/* Setup core clock for MT7530 */
-	/* Disable PLL */
-	core_write(priv, CORE_GSWPLL_GRP1, 0);
-
-	/* Set core clock into 500Mhz */
-	core_write(priv, CORE_GSWPLL_GRP2,
-		   RG_GSWPLL_POSDIV_500M(1) |
-		   RG_GSWPLL_FBKDIV_500M(25));
-
-	/* Enable PLL */
-	core_write(priv, CORE_GSWPLL_GRP1,
-		   RG_GSWPLL_EN_PRE |
-		   RG_GSWPLL_POSDIV_200M(2) |
-		   RG_GSWPLL_FBKDIV_200M(32));
-
 	/* Setup the MT7530 TRGMII Tx Clock */
 	core_write(priv, CORE_PLL_GROUP5, RG_LCDDS_PCW_NCPO1(ncpo1));
 	core_write(priv, CORE_PLL_GROUP6, RG_LCDDS_PCW_NCPO0(0));
@@ -2196,6 +2199,8 @@ mt7530_setup(struct dsa_switch *ds)
 		     SYS_CTRL_PHY_RST | SYS_CTRL_SW_RST |
 		     SYS_CTRL_REG_RST);
 
+	mt7530_pll_setup(priv);
+
 	/* Enable Port 6 only; P5 as GMAC5 which currently is not supported */
 	val = mt7530_read(priv, MT7530_MHWTRAP);
 	val &= ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS;

drivers/net/ethernet/Kconfig

@@ -132,6 +132,16 @@ source "drivers/net/ethernet/mscc/Kconfig"
 source "drivers/net/ethernet/microsoft/Kconfig"
 source "drivers/net/ethernet/moxa/Kconfig"
 source "drivers/net/ethernet/myricom/Kconfig"
+
+config FEALNX
+	tristate "Myson MTD-8xx PCI Ethernet support"
+	depends on PCI
+	select CRC32
+	select MII
+	help
+	  Say Y here to support the Myson MTD-800 family of PCI-based Ethernet
+	  cards. <http://www.myson.com.tw/>
+
 source "drivers/net/ethernet/ni/Kconfig"
 source "drivers/net/ethernet/natsemi/Kconfig"
 source "drivers/net/ethernet/neterion/Kconfig"

drivers/net/ethernet/Makefile

@@ -64,6 +64,7 @@ obj-$(CONFIG_NET_VENDOR_MICROCHIP) += microchip/
 obj-$(CONFIG_NET_VENDOR_MICROSEMI) += mscc/
 obj-$(CONFIG_NET_VENDOR_MOXART) += moxa/
 obj-$(CONFIG_NET_VENDOR_MYRI) += myricom/
+obj-$(CONFIG_FEALNX) += fealnx.o
 obj-$(CONFIG_NET_VENDOR_NATSEMI) += natsemi/
 obj-$(CONFIG_NET_VENDOR_NETERION) += neterion/
 obj-$(CONFIG_NET_VENDOR_NETRONOME) += netronome/

drivers/net/ethernet/broadcom/bgmac.c

@@ -890,13 +890,13 @@ static void bgmac_chip_reset_idm_config(struct bgmac *bgmac)
 
 		if (iost & BGMAC_BCMA_IOST_ATTACHED) {
 			flags = BGMAC_BCMA_IOCTL_SW_CLKEN;
-			if (!bgmac->has_robosw)
+			if (bgmac->in_init || !bgmac->has_robosw)
 				flags |= BGMAC_BCMA_IOCTL_SW_RESET;
 		}
 		bgmac_clk_enable(bgmac, flags);
 	}
 
-	if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw)
+	if (iost & BGMAC_BCMA_IOST_ATTACHED && (bgmac->in_init || !bgmac->has_robosw))
 		bgmac_idm_write(bgmac, BCMA_IOCTL,
 				bgmac_idm_read(bgmac, BCMA_IOCTL) &
 				~BGMAC_BCMA_IOCTL_SW_RESET);
@@ -1490,6 +1490,8 @@ int bgmac_enet_probe(struct bgmac *bgmac)
 	struct net_device *net_dev = bgmac->net_dev;
 	int err;
 
+	bgmac->in_init = true;
+
 	bgmac_chip_intrs_off(bgmac);
 
 	net_dev->irq = bgmac->irq;
@@ -1542,6 +1544,8 @@ int bgmac_enet_probe(struct bgmac *bgmac)
 	/* Omit FCS from max MTU size */
 	net_dev->max_mtu = BGMAC_RX_MAX_FRAME_SIZE - ETH_FCS_LEN;
 
+	bgmac->in_init = false;
+
 	err = register_netdev(bgmac->net_dev);
 	if (err) {
 		dev_err(bgmac->dev, "Cannot register net device\n");

drivers/net/ethernet/broadcom/bgmac.h

@@ -472,6 +472,8 @@ struct bgmac {
 	int irq;
 	u32 int_mask;
 
+	bool in_init;
+
 	/* Current MAC state */
 	int mac_speed;
 	int mac_duplex;

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -3145,7 +3145,7 @@ static int bnxt_alloc_ring(struct bnxt *bp, struct bnxt_ring_mem_info *rmem)
 
 static void bnxt_free_tpa_info(struct bnxt *bp)
 {
-	int i;
+	int i, j;
 
 	for (i = 0; i < bp->rx_nr_rings; i++) {
 		struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
@@ -3153,8 +3153,10 @@ static void bnxt_free_tpa_info(struct bnxt *bp)
 		kfree(rxr->rx_tpa_idx_map);
 		rxr->rx_tpa_idx_map = NULL;
 		if (rxr->rx_tpa) {
-			kfree(rxr->rx_tpa[0].agg_arr);
+			for (j = 0; j < bp->max_tpa; j++) {
-			rxr->rx_tpa[0].agg_arr = NULL;
+				kfree(rxr->rx_tpa[j].agg_arr);
+				rxr->rx_tpa[j].agg_arr = NULL;
+			}
 		}
 		kfree(rxr->rx_tpa);
 		rxr->rx_tpa = NULL;
@@ -3163,14 +3165,13 @@ static void bnxt_free_tpa_info(struct bnxt *bp)
 
 static int bnxt_alloc_tpa_info(struct bnxt *bp)
 {
-	int i, j, total_aggs = 0;
+	int i, j;
 
 	bp->max_tpa = MAX_TPA;
 	if (bp->flags & BNXT_FLAG_CHIP_P5) {
 		if (!bp->max_tpa_v2)
 			return 0;
 		bp->max_tpa = max_t(u16, bp->max_tpa_v2, MAX_TPA_P5);
-		total_aggs = bp->max_tpa * MAX_SKB_FRAGS;
 	}
 
 	for (i = 0; i < bp->rx_nr_rings; i++) {
@@ -3184,12 +3185,12 @@ static int bnxt_alloc_tpa_info(struct bnxt *bp)
 
 		if (!(bp->flags & BNXT_FLAG_CHIP_P5))
 			continue;
-		agg = kcalloc(total_aggs, sizeof(*agg), GFP_KERNEL);
+		for (j = 0; j < bp->max_tpa; j++) {
-		rxr->rx_tpa[0].agg_arr = agg;
+			agg = kcalloc(MAX_SKB_FRAGS, sizeof(*agg), GFP_KERNEL);
-		if (!agg)
+			if (!agg)
-			return -ENOMEM;
+				return -ENOMEM;
-		for (j = 1; j < bp->max_tpa; j++)
+			rxr->rx_tpa[j].agg_arr = agg;
-			rxr->rx_tpa[j].agg_arr = agg + j * MAX_SKB_FRAGS;
+		}
 		rxr->rx_tpa_idx_map = kzalloc(sizeof(*rxr->rx_tpa_idx_map),
 					      GFP_KERNEL);
 		if (!rxr->rx_tpa_idx_map)
@@ -13204,8 +13205,6 @@ static void bnxt_remove_one(struct pci_dev *pdev)
 	bnxt_free_hwrm_resources(bp);
 	bnxt_ethtool_free(bp);
 	bnxt_dcb_free(bp);
-	kfree(bp->edev);
-	bp->edev = NULL;
 	kfree(bp->ptp_cfg);
 	bp->ptp_cfg = NULL;
 	kfree(bp->fw_health);

drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c

@@ -317,9 +317,11 @@ static void bnxt_aux_dev_release(struct device *dev)
 {
 	struct bnxt_aux_priv *aux_priv =
 		container_of(dev, struct bnxt_aux_priv, aux_dev.dev);
+	struct bnxt *bp = netdev_priv(aux_priv->edev->net);
 
 	ida_free(&bnxt_aux_dev_ids, aux_priv->id);
 	kfree(aux_priv->edev->ulp_tbl);
+	bp->edev = NULL;
 	kfree(aux_priv->edev);
 	kfree(aux_priv);
 }

drivers/net/ethernet/intel/ice/ice_dcb.c

@@ -1411,7 +1411,7 @@ ice_add_dscp_pfc_tlv(struct ice_lldp_org_tlv *tlv, struct ice_dcbx_cfg *dcbcfg)
 	tlv->ouisubtype = htonl(ouisubtype);
 
 	buf[0] = dcbcfg->pfc.pfccap & 0xF;
-	buf[1] = dcbcfg->pfc.pfcena & 0xF;
+	buf[1] = dcbcfg->pfc.pfcena;
 }
 
 /**

drivers/net/ethernet/intel/ice/ice_ethtool.c

@@ -4331,6 +4331,8 @@ ice_get_module_eeprom(struct net_device *netdev,
 		 * SFP modules only ever use page 0.
 		 */
 		if (page == 0 || !(data[0x2] & 0x4)) {
+			u32 copy_len;
+
 			/* If i2c bus is busy due to slow page change or
 			 * link management access, call can fail. This is normal.
 			 * So we retry this a few times.
@@ -4354,8 +4356,8 @@ ice_get_module_eeprom(struct net_device *netdev,
 			}
 
 			/* Make sure we have enough room for the new block */
-			if ((i + SFF_READ_BLOCK_SIZE) < ee->len)
+			copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
-				memcpy(data + i, value, SFF_READ_BLOCK_SIZE);
+			memcpy(data + i, value, copy_len);
 		}
 	}
 	return 0;

drivers/net/ethernet/intel/ice/ice_lib.c

@@ -2126,7 +2126,7 @@ int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi)
 	ice_for_each_rxq(vsi, i)
 		ice_tx_xsk_pool(vsi, i);
 
-	return ret;
+	return 0;
 }
 
 /**
@@ -2693,12 +2693,14 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params)
 		return ret;
 
 	/* allocate memory for Tx/Rx ring stat pointers */
-	if (ice_vsi_alloc_stat_arrays(vsi))
+	ret = ice_vsi_alloc_stat_arrays(vsi);
+	if (ret)
 		goto unroll_vsi_alloc;
 
 	ice_alloc_fd_res(vsi);
 
-	if (ice_vsi_get_qs(vsi)) {
+	ret = ice_vsi_get_qs(vsi);
+	if (ret) {
 		dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
 			vsi->idx);
 		goto unroll_vsi_alloc_stat;
@@ -2811,6 +2813,7 @@ ice_vsi_cfg_def(struct ice_vsi *vsi, struct ice_vsi_cfg_params *params)
 		break;
 	default:
 		/* clean up the resources and exit */
+		ret = -EINVAL;
 		goto unroll_vsi_init;
 	}
 
@@ -3508,10 +3511,10 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
 		if (vsi_flags & ICE_VSI_FLAG_INIT) {
 			ret = -EIO;
 			goto err_vsi_cfg_tc_lan;
-		} else {
-			kfree(coalesce);
-			return ice_schedule_reset(pf, ICE_RESET_PFR);
 		}
+
+		kfree(coalesce);
+		return ice_schedule_reset(pf, ICE_RESET_PFR);
 	}
 
 	ice_vsi_realloc_stat_arrays(vsi, prev_txq, prev_rxq);
@@ -3759,7 +3762,7 @@ int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc)
 	dev = ice_pf_to_dev(pf);
 	if (vsi->tc_cfg.ena_tc == ena_tc &&
 	    vsi->mqprio_qopt.mode != TC_MQPRIO_MODE_CHANNEL)
-		return ret;
+		return 0;
 
 	ice_for_each_traffic_class(i) {
 		/* build bitmap of enabled TCs */

drivers/net/ethernet/intel/ice/ice_tc_lib.c

@@ -1455,8 +1455,8 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
 		if (match.mask->vlan_priority) {
 			fltr->flags |= ICE_TC_FLWR_FIELD_VLAN_PRIO;
 			headers->vlan_hdr.vlan_prio =
-				cpu_to_be16((match.key->vlan_priority <<
+				be16_encode_bits(match.key->vlan_priority,
-					     VLAN_PRIO_SHIFT) & VLAN_PRIO_MASK);
+						 VLAN_PRIO_MASK);
 		}
 
 		if (match.mask->vlan_tpid)
@@ -1489,8 +1489,8 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
 		if (match.mask->vlan_priority) {
 			fltr->flags |= ICE_TC_FLWR_FIELD_CVLAN_PRIO;
 			headers->cvlan_hdr.vlan_prio =
-				cpu_to_be16((match.key->vlan_priority <<
+				be16_encode_bits(match.key->vlan_priority,
-					     VLAN_PRIO_SHIFT) & VLAN_PRIO_MASK);
+						 VLAN_PRIO_MASK);
 		}
 	}
 

drivers/net/ethernet/marvell/octeontx2/af/rvu.h

@@ -884,6 +884,9 @@ int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int lf,
 int rvu_cpt_ctx_flush(struct rvu *rvu, u16 pcifunc);
 int rvu_cpt_init(struct rvu *rvu);
 
+#define NDC_AF_BANK_MASK       GENMASK_ULL(7, 0)
+#define NDC_AF_BANK_LINE_MASK  GENMASK_ULL(31, 16)
+
 /* CN10K RVU */
 int rvu_set_channels_base(struct rvu *rvu);
 void rvu_program_channels(struct rvu *rvu);
@@ -902,6 +905,8 @@ static inline void rvu_dbg_init(struct rvu *rvu) {}
 static inline void rvu_dbg_exit(struct rvu *rvu) {}
 #endif
 
+int rvu_ndc_fix_locked_cacheline(struct rvu *rvu, int blkaddr);
+
 /* RVU Switch */
 void rvu_switch_enable(struct rvu *rvu);
 void rvu_switch_disable(struct rvu *rvu);

drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c

@@ -198,9 +198,6 @@ enum cpt_eng_type {
 	CPT_IE_TYPE = 3,
 };
 
-#define NDC_MAX_BANK(rvu, blk_addr) (rvu_read64(rvu, \
-						blk_addr, NDC_AF_CONST) & 0xFF)
-
 #define rvu_dbg_NULL NULL
 #define rvu_dbg_open_NULL NULL
 
@@ -1448,6 +1445,7 @@ static int ndc_blk_hits_miss_stats(struct seq_file *s, int idx, int blk_addr)
 	struct nix_hw *nix_hw;
 	struct rvu *rvu;
 	int bank, max_bank;
+	u64 ndc_af_const;
 
 	if (blk_addr == BLKADDR_NDC_NPA0) {
 		rvu = s->private;
@@ -1456,7 +1454,8 @@ static int ndc_blk_hits_miss_stats(struct seq_file *s, int idx, int blk_addr)
 		rvu = nix_hw->rvu;
 	}
 
-	max_bank = NDC_MAX_BANK(rvu, blk_addr);
+	ndc_af_const = rvu_read64(rvu, blk_addr, NDC_AF_CONST);
+	max_bank = FIELD_GET(NDC_AF_BANK_MASK, ndc_af_const);
 	for (bank = 0; bank < max_bank; bank++) {
 		seq_printf(s, "BANK:%d\n", bank);
 		seq_printf(s, "\tHits:\t%lld\n",

drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c

@@ -790,6 +790,7 @@ static int nix_aq_enqueue_wait(struct rvu *rvu, struct rvu_block *block,
 	struct nix_aq_res_s *result;
 	int timeout = 1000;
 	u64 reg, head;
+	int ret;
 
 	result = (struct nix_aq_res_s *)aq->res->base;
 
@@ -813,9 +814,22 @@ static int nix_aq_enqueue_wait(struct rvu *rvu, struct rvu_block *block,
 			return -EBUSY;
 	}
 
-	if (result->compcode != NIX_AQ_COMP_GOOD)
+	if (result->compcode != NIX_AQ_COMP_GOOD) {
 		/* TODO: Replace this with some error code */
+		if (result->compcode == NIX_AQ_COMP_CTX_FAULT ||
+		    result->compcode == NIX_AQ_COMP_LOCKERR ||
+		    result->compcode == NIX_AQ_COMP_CTX_POISON) {
+			ret = rvu_ndc_fix_locked_cacheline(rvu, BLKADDR_NDC_NIX0_RX);
+			ret |= rvu_ndc_fix_locked_cacheline(rvu, BLKADDR_NDC_NIX0_TX);
+			ret |= rvu_ndc_fix_locked_cacheline(rvu, BLKADDR_NDC_NIX1_RX);
+			ret |= rvu_ndc_fix_locked_cacheline(rvu, BLKADDR_NDC_NIX1_TX);
+			if (ret)
+				dev_err(rvu->dev,
+					"%s: Not able to unlock cachelines\n", __func__);
+		}
+
 		return -EBUSY;
+	}
 
 	return 0;
 }

drivers/net/ethernet/marvell/octeontx2/af/rvu_npa.c

@@ -4,7 +4,7 @@
  * Copyright (C) 2018 Marvell.
  *
  */
-
+#include <linux/bitfield.h>
 #include <linux/module.h>
 #include <linux/pci.h>
 
@@ -42,9 +42,18 @@ static int npa_aq_enqueue_wait(struct rvu *rvu, struct rvu_block *block,
 			return -EBUSY;
 	}
 
-	if (result->compcode != NPA_AQ_COMP_GOOD)
+	if (result->compcode != NPA_AQ_COMP_GOOD) {
 		/* TODO: Replace this with some error code */
+		if (result->compcode == NPA_AQ_COMP_CTX_FAULT ||
+		    result->compcode == NPA_AQ_COMP_LOCKERR ||
+		    result->compcode == NPA_AQ_COMP_CTX_POISON) {
+			if (rvu_ndc_fix_locked_cacheline(rvu, BLKADDR_NDC_NPA0))
+				dev_err(rvu->dev,
+					"%s: Not able to unlock cachelines\n", __func__);
+		}
+
 		return -EBUSY;
+	}
 
 	return 0;
 }
@@ -545,3 +554,48 @@ void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf)
 
 	npa_ctx_free(rvu, pfvf);
 }
+
+/* Due to an Hardware errata, in some corner cases, AQ context lock
+ * operations can result in a NDC way getting into an illegal state
+ * of not valid but locked.
+ *
+ * This API solves the problem by clearing the lock bit of the NDC block.
+ * The operation needs to be done for each line of all the NDC banks.
+ */
+int rvu_ndc_fix_locked_cacheline(struct rvu *rvu, int blkaddr)
+{
+	int bank, max_bank, line, max_line, err;
+	u64 reg, ndc_af_const;
+
+	/* Set the ENABLE bit(63) to '0' */
+	reg = rvu_read64(rvu, blkaddr, NDC_AF_CAMS_RD_INTERVAL);
+	rvu_write64(rvu, blkaddr, NDC_AF_CAMS_RD_INTERVAL, reg & GENMASK_ULL(62, 0));
+
+	/* Poll until the BUSY bits(47:32) are set to '0' */
+	err = rvu_poll_reg(rvu, blkaddr, NDC_AF_CAMS_RD_INTERVAL, GENMASK_ULL(47, 32), true);
+	if (err) {
+		dev_err(rvu->dev, "Timed out while polling for NDC CAM busy bits.\n");
+		return err;
+	}
+
+	ndc_af_const = rvu_read64(rvu, blkaddr, NDC_AF_CONST);
+	max_bank = FIELD_GET(NDC_AF_BANK_MASK, ndc_af_const);
+	max_line = FIELD_GET(NDC_AF_BANK_LINE_MASK, ndc_af_const);
+	for (bank = 0; bank < max_bank; bank++) {
+		for (line = 0; line < max_line; line++) {
+			/* Check if 'cache line valid bit(63)' is not set
+			 * but 'cache line lock bit(60)' is set and on
+			 * success, reset the lock bit(60).
+			 */
+			reg = rvu_read64(rvu, blkaddr,
+					 NDC_AF_BANKX_LINEX_METADATA(bank, line));
+			if (!(reg & BIT_ULL(63)) && (reg & BIT_ULL(60))) {
+				rvu_write64(rvu, blkaddr,
+					    NDC_AF_BANKX_LINEX_METADATA(bank, line),
+					    reg & ~BIT_ULL(60));
+			}
+		}
+	}
+
+	return 0;
+}

drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h

@@ -694,6 +694,7 @@
 #define NDC_AF_INTR_ENA_W1S		(0x00068)
 #define NDC_AF_INTR_ENA_W1C		(0x00070)
 #define NDC_AF_ACTIVE_PC		(0x00078)
+#define NDC_AF_CAMS_RD_INTERVAL		(0x00080)
 #define NDC_AF_BP_TEST_ENABLE		(0x001F8)
 #define NDC_AF_BP_TEST(a)		(0x00200 | (a) << 3)
 #define NDC_AF_BLK_RST			(0x002F0)
@@ -709,6 +710,8 @@
 		(0x00F00 | (a) << 5 | (b) << 4)
 #define NDC_AF_BANKX_HIT_PC(a)		(0x01000 | (a) << 3)
 #define NDC_AF_BANKX_MISS_PC(a)		(0x01100 | (a) << 3)
+#define NDC_AF_BANKX_LINEX_METADATA(a, b) \
+		(0x10000 | (a) << 12 | (b) << 3)
 
 /* LBK */
 #define LBK_CONST			(0x10ull)

drivers/net/ethernet/mediatek/mtk_eth_soc.c

@@ -616,7 +616,8 @@ static int mtk_mac_finish(struct phylink_config *config, unsigned int mode,
 	mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id));
 	mcr_new = mcr_cur;
 	mcr_new |= MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE |
-		   MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK;
+		   MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK |
+		   MAC_MCR_RX_FIFO_CLR_DIS;
 
 	/* Only update control register when needed! */
 	if (mcr_new != mcr_cur)

drivers/net/ethernet/mediatek/mtk_eth_soc.h

@@ -397,6 +397,7 @@
 #define MAC_MCR_FORCE_MODE	BIT(15)
 #define MAC_MCR_TX_EN		BIT(14)
 #define MAC_MCR_RX_EN		BIT(13)
+#define MAC_MCR_RX_FIFO_CLR_DIS	BIT(12)
 #define MAC_MCR_BACKOFF_EN	BIT(9)
 #define MAC_MCR_BACKPR_EN	BIT(8)
 #define MAC_MCR_FORCE_RX_FC	BIT(5)

drivers/net/ethernet/microchip/lan966x/lan966x_police.c

@@ -194,7 +194,7 @@ int lan966x_police_port_del(struct lan966x_port *port,
 		return -EINVAL;
 	}
 
-	err = lan966x_police_del(port, port->tc.police_id);
+	err = lan966x_police_del(port, POL_IDX_PORT + port->chip_port);
 	if (err) {
 		NL_SET_ERR_MSG_MOD(extack,
 				   "Failed to add policer to port");

drivers/net/ethernet/microchip/sparx5/sparx5_dcb.c

@@ -249,6 +249,21 @@ static int sparx5_dcb_ieee_dscp_setdel(struct net_device *dev,
 	return 0;
 }
 
+static int sparx5_dcb_ieee_delapp(struct net_device *dev, struct dcb_app *app)
+{
+	int err;
+
+	if (app->selector == IEEE_8021QAZ_APP_SEL_DSCP)
+		err = sparx5_dcb_ieee_dscp_setdel(dev, app, dcb_ieee_delapp);
+	else
+		err = dcb_ieee_delapp(dev, app);
+
+	if (err < 0)
+		return err;
+
+	return sparx5_dcb_app_update(dev);
+}
+
 static int sparx5_dcb_ieee_setapp(struct net_device *dev, struct dcb_app *app)
 {
 	struct dcb_app app_itr;
@@ -264,7 +279,7 @@ static int sparx5_dcb_ieee_setapp(struct net_device *dev, struct dcb_app *app)
 	if (prio) {
 		app_itr = *app;
 		app_itr.priority = prio;
-		dcb_ieee_delapp(dev, &app_itr);
+		sparx5_dcb_ieee_delapp(dev, &app_itr);
 	}
 
 	if (app->selector == IEEE_8021QAZ_APP_SEL_DSCP)
@@ -281,21 +296,6 @@ out:
 	return err;
 }
 
-static int sparx5_dcb_ieee_delapp(struct net_device *dev, struct dcb_app *app)
-{
-	int err;
-
-	if (app->selector == IEEE_8021QAZ_APP_SEL_DSCP)
-		err = sparx5_dcb_ieee_dscp_setdel(dev, app, dcb_ieee_delapp);
-	else
-		err = dcb_ieee_delapp(dev, app);
-
-	if (err < 0)
-		return err;
-
-	return sparx5_dcb_app_update(dev);
-}
-
 static int sparx5_dcb_setapptrust(struct net_device *dev, u8 *selectors,
 				  int nselectors)
 {

drivers/net/ethernet/netronome/nfp/nfd3/dp.c

@@ -324,14 +324,15 @@ netdev_tx_t nfp_nfd3_tx(struct sk_buff *skb, struct net_device *netdev)
 
 	/* Do not reorder - tso may adjust pkt cnt, vlan may override fields */
 	nfp_nfd3_tx_tso(r_vec, txbuf, txd, skb, md_bytes);
-	nfp_nfd3_tx_csum(dp, r_vec, txbuf, txd, skb);
+	if (ipsec)
+		nfp_nfd3_ipsec_tx(txd, skb);
+	else
+		nfp_nfd3_tx_csum(dp, r_vec, txbuf, txd, skb);
 	if (skb_vlan_tag_present(skb) && dp->ctrl & NFP_NET_CFG_CTRL_TXVLAN) {
 		txd->flags |= NFD3_DESC_TX_VLAN;
 		txd->vlan = cpu_to_le16(skb_vlan_tag_get(skb));
 	}
 
-	if (ipsec)
-		nfp_nfd3_ipsec_tx(txd, skb);
 	/* Gather DMA */
 	if (nr_frags > 0) {
 		__le64 second_half;

drivers/net/ethernet/netronome/nfp/nfd3/ipsec.c

@@ -10,9 +10,30 @@
 void nfp_nfd3_ipsec_tx(struct nfp_nfd3_tx_desc *txd, struct sk_buff *skb)
 {
 	struct xfrm_state *x = xfrm_input_state(skb);
+	struct xfrm_offload *xo = xfrm_offload(skb);
+	struct iphdr *iph = ip_hdr(skb);
+	int l4_proto;
 
 	if (x->xso.dev && (x->xso.dev->features & NETIF_F_HW_ESP_TX_CSUM)) {
-		txd->flags |= NFD3_DESC_TX_CSUM | NFD3_DESC_TX_IP4_CSUM |
+		txd->flags |= NFD3_DESC_TX_CSUM;
-			      NFD3_DESC_TX_TCP_CSUM | NFD3_DESC_TX_UDP_CSUM;
+
+		if (iph->version == 4)
+			txd->flags |= NFD3_DESC_TX_IP4_CSUM;
+
+		if (x->props.mode == XFRM_MODE_TRANSPORT)
+			l4_proto = xo->proto;
+		else if (x->props.mode == XFRM_MODE_TUNNEL)
+			l4_proto = xo->inner_ipproto;
+		else
+			return;
+
+		switch (l4_proto) {
+		case IPPROTO_UDP:
+			txd->flags |= NFD3_DESC_TX_UDP_CSUM;
+			return;
+		case IPPROTO_TCP:
+			txd->flags |= NFD3_DESC_TX_TCP_CSUM;
+			return;
+		}
 	}
 }

drivers/net/ethernet/netronome/nfp/nfdk/dp.c

@@ -387,7 +387,8 @@ netdev_tx_t nfp_nfdk_tx(struct sk_buff *skb, struct net_device *netdev)
 	if (!skb_is_gso(skb)) {
 		real_len = skb->len;
 		/* Metadata desc */
-		metadata = nfp_nfdk_tx_csum(dp, r_vec, 1, skb, metadata);
+		if (!ipsec)
+			metadata = nfp_nfdk_tx_csum(dp, r_vec, 1, skb, metadata);
 		txd->raw = cpu_to_le64(metadata);
 		txd++;
 	} else {
@@ -395,7 +396,8 @@ netdev_tx_t nfp_nfdk_tx(struct sk_buff *skb, struct net_device *netdev)
 		(txd + 1)->raw = nfp_nfdk_tx_tso(r_vec, txbuf, skb);
 		real_len = txbuf->real_len;
 		/* Metadata desc */
-		metadata = nfp_nfdk_tx_csum(dp, r_vec, txbuf->pkt_cnt, skb, metadata);
+		if (!ipsec)
+			metadata = nfp_nfdk_tx_csum(dp, r_vec, txbuf->pkt_cnt, skb, metadata);
 		txd->raw = cpu_to_le64(metadata);
 		txd += 2;
 		txbuf++;

drivers/net/ethernet/netronome/nfp/nfdk/ipsec.c

@@ -9,9 +9,13 @@
 u64 nfp_nfdk_ipsec_tx(u64 flags, struct sk_buff *skb)
 {
 	struct xfrm_state *x = xfrm_input_state(skb);
+	struct iphdr *iph = ip_hdr(skb);
 
-	if (x->xso.dev && (x->xso.dev->features & NETIF_F_HW_ESP_TX_CSUM))
+	if (x->xso.dev && (x->xso.dev->features & NETIF_F_HW_ESP_TX_CSUM)) {
-		flags |= NFDK_DESC_TX_L3_CSUM | NFDK_DESC_TX_L4_CSUM;
+		if (iph->version == 4)
+			flags |= NFDK_DESC_TX_L3_CSUM;
+		flags |= NFDK_DESC_TX_L4_CSUM;
+	}
 
 	return flags;
 }

drivers/net/ethernet/netronome/nfp/nfp_net_common.c

@@ -38,6 +38,7 @@
 #include <net/tls.h>
 #include <net/vxlan.h>
 #include <net/xdp_sock_drv.h>
+#include <net/xfrm.h>
 
 #include "nfpcore/nfp_dev.h"
 #include "nfpcore/nfp_nsp.h"
@@ -1897,6 +1898,9 @@ nfp_net_features_check(struct sk_buff *skb, struct net_device *dev,
 			features &= ~NETIF_F_GSO_MASK;
 	}
 
+	if (xfrm_offload(skb))
+		return features;
+
 	/* VXLAN/GRE check */
 	switch (vlan_get_protocol(skb)) {
 	case htons(ETH_P_IP):

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -1170,6 +1170,7 @@ static int stmmac_init_phy(struct net_device *dev)
 
 		phylink_ethtool_get_wol(priv->phylink, &wol);
 		device_set_wakeup_capable(priv->device, !!wol.supported);
+		device_set_wakeup_enable(priv->device, !!wol.wolopts);
 	}
 
 	return ret;

drivers/net/ieee802154/ca8210.c

@@ -1913,6 +1913,8 @@ static int ca8210_skb_tx(
 	 * packet
 	 */
 	mac_len = ieee802154_hdr_peek_addrs(skb, &header);
+	if (mac_len < 0)
+		return mac_len;
 
 	secspec.security_level = header.sec.level;
 	secspec.key_id_mode = header.sec.key_id_mode;

drivers/net/phy/microchip.c

@@ -342,6 +342,37 @@ static int lan88xx_config_aneg(struct phy_device *phydev)
 	return genphy_config_aneg(phydev);
 }
 
+static void lan88xx_link_change_notify(struct phy_device *phydev)
+{
+	int temp;
+
+	/* At forced 100 F/H mode, chip may fail to set mode correctly
+	 * when cable is switched between long(~50+m) and short one.
+	 * As workaround, set to 10 before setting to 100
+	 * at forced 100 F/H mode.
+	 */
+	if (!phydev->autoneg && phydev->speed == 100) {
+		/* disable phy interrupt */
+		temp = phy_read(phydev, LAN88XX_INT_MASK);
+		temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_;
+		phy_write(phydev, LAN88XX_INT_MASK, temp);
+
+		temp = phy_read(phydev, MII_BMCR);
+		temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000);
+		phy_write(phydev, MII_BMCR, temp); /* set to 10 first */
+		temp |= BMCR_SPEED100;
+		phy_write(phydev, MII_BMCR, temp); /* set to 100 later */
+
+		/* clear pending interrupt generated while workaround */
+		temp = phy_read(phydev, LAN88XX_INT_STS);
+
+		/* enable phy interrupt back */
+		temp = phy_read(phydev, LAN88XX_INT_MASK);
+		temp |= LAN88XX_INT_MASK_MDINTPIN_EN_;
+		phy_write(phydev, LAN88XX_INT_MASK, temp);
+	}
+}
+
 static struct phy_driver microchip_phy_driver[] = {
 {
 	.phy_id		= 0x0007c132,
@@ -359,6 +390,7 @@ static struct phy_driver microchip_phy_driver[] = {
 
 	.config_init	= lan88xx_config_init,
 	.config_aneg	= lan88xx_config_aneg,
+	.link_change_notify = lan88xx_link_change_notify,
 
 	.config_intr	= lan88xx_phy_config_intr,
 	.handle_interrupt = lan88xx_handle_interrupt,

drivers/net/phy/phy_device.c

@@ -3098,8 +3098,6 @@ static int phy_probe(struct device *dev)
 	if (phydrv->flags & PHY_IS_INTERNAL)
 		phydev->is_internal = true;
 
-	mutex_lock(&phydev->lock);
-
 	/* Deassert the reset signal */
 	phy_device_reset(phydev, 0);
 
@@ -3146,7 +3144,7 @@ static int phy_probe(struct device *dev)
 	 */
 	err = genphy_c45_read_eee_adv(phydev, phydev->advertising_eee);
 	if (err)
-		return err;
+		goto out;
 
 	/* There is no "enabled" flag. If PHY is advertising, assume it is
 	 * kind of enabled.
@@ -3188,12 +3186,10 @@ static int phy_probe(struct device *dev)
 	phydev->state = PHY_READY;
 
 out:
-	/* Assert the reset signal */
+	/* Re-assert the reset signal on error */
 	if (err)
 		phy_device_reset(phydev, 1);
 
-	mutex_unlock(&phydev->lock);
-
 	return err;
 }
 
@@ -3203,9 +3199,7 @@ static int phy_remove(struct device *dev)
 
 	cancel_delayed_work_sync(&phydev->state_queue);
 
-	mutex_lock(&phydev->lock);
 	phydev->state = PHY_DOWN;
-	mutex_unlock(&phydev->lock);
 
 	sfp_bus_del_upstream(phydev->sfp_bus);
 	phydev->sfp_bus = NULL;

drivers/net/phy/smsc.c

@@ -44,7 +44,6 @@ static struct smsc_hw_stat smsc_hw_stats[] = {
 };
 
 struct smsc_phy_priv {
-	u16 intmask;
 	bool energy_enable;
 };
 
@@ -57,7 +56,6 @@ static int smsc_phy_ack_interrupt(struct phy_device *phydev)
 
 static int smsc_phy_config_intr(struct phy_device *phydev)
 {
-	struct smsc_phy_priv *priv = phydev->priv;
 	int rc;
 
 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
@@ -65,14 +63,9 @@ static int smsc_phy_config_intr(struct phy_device *phydev)
 		if (rc)
 			return rc;
 
-		priv->intmask = MII_LAN83C185_ISF_INT4 | MII_LAN83C185_ISF_INT6;
+		rc = phy_write(phydev, MII_LAN83C185_IM,
-		if (priv->energy_enable)
+			       MII_LAN83C185_ISF_INT_PHYLIB_EVENTS);
-			priv->intmask |= MII_LAN83C185_ISF_INT7;
-
-		rc = phy_write(phydev, MII_LAN83C185_IM, priv->intmask);
 	} else {
-		priv->intmask = 0;
-
 		rc = phy_write(phydev, MII_LAN83C185_IM, 0);
 		if (rc)
 			return rc;
@@ -85,7 +78,6 @@ static int smsc_phy_config_intr(struct phy_device *phydev)
 
 static irqreturn_t smsc_phy_handle_interrupt(struct phy_device *phydev)
 {
-	struct smsc_phy_priv *priv = phydev->priv;
 	int irq_status;
 
 	irq_status = phy_read(phydev, MII_LAN83C185_ISF);
@@ -96,7 +88,7 @@ static irqreturn_t smsc_phy_handle_interrupt(struct phy_device *phydev)
 		return IRQ_NONE;
 	}
 
-	if (!(irq_status & priv->intmask))
+	if (!(irq_status & MII_LAN83C185_ISF_INT_PHYLIB_EVENTS))
 		return IRQ_NONE;
 
 	phy_trigger_machine(phydev);

drivers/net/usb/cdc_mbim.c

@@ -665,6 +665,11 @@ static const struct usb_device_id mbim_devs[] = {
 	  .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
 	},
 
+	/* Telit FE990 */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x1bc7, 0x1081, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+	  .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
+	},
+
 	/* default entry */
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
 	  .driver_info = (unsigned long)&cdc_mbim_info_zlp,

drivers/net/usb/lan78xx.c

@@ -2115,33 +2115,8 @@ static void lan78xx_remove_mdio(struct lan78xx_net *dev)
 static void lan78xx_link_status_change(struct net_device *net)
 {
 	struct phy_device *phydev = net->phydev;
-	int temp;
 
-	/* At forced 100 F/H mode, chip may fail to set mode correctly
+	phy_print_status(phydev);
-	 * when cable is switched between long(~50+m) and short one.
-	 * As workaround, set to 10 before setting to 100
-	 * at forced 100 F/H mode.
-	 */
-	if (!phydev->autoneg && (phydev->speed == 100)) {
-		/* disable phy interrupt */
-		temp = phy_read(phydev, LAN88XX_INT_MASK);
-		temp &= ~LAN88XX_INT_MASK_MDINTPIN_EN_;
-		phy_write(phydev, LAN88XX_INT_MASK, temp);
-
-		temp = phy_read(phydev, MII_BMCR);
-		temp &= ~(BMCR_SPEED100 | BMCR_SPEED1000);
-		phy_write(phydev, MII_BMCR, temp); /* set to 10 first */
-		temp |= BMCR_SPEED100;
-		phy_write(phydev, MII_BMCR, temp); /* set to 100 later */
-
-		/* clear pending interrupt generated while workaround */
-		temp = phy_read(phydev, LAN88XX_INT_STS);
-
-		/* enable phy interrupt back */
-		temp = phy_read(phydev, LAN88XX_INT_MASK);
-		temp |= LAN88XX_INT_MASK_MDINTPIN_EN_;
-		phy_write(phydev, LAN88XX_INT_MASK, temp);
-	}
 }
 
 static int irq_map(struct irq_domain *d, unsigned int irq,

drivers/net/usb/qmi_wwan.c

@@ -1364,6 +1364,7 @@ static const struct usb_device_id products[] = {
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1057, 2)},	/* Telit FN980 */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1060, 2)},	/* Telit LN920 */
 	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1070, 2)},	/* Telit FN990 */
+	{QMI_QUIRK_SET_DTR(0x1bc7, 0x1080, 2)}, /* Telit FE990 */
 	{QMI_FIXED_INTF(0x1bc7, 0x1100, 3)},	/* Telit ME910 */
 	{QMI_FIXED_INTF(0x1bc7, 0x1101, 3)},	/* Telit ME910 dual modem */
 	{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)},	/* Telit LE920 */

drivers/nfc/fdp/i2c.c

@@ -247,6 +247,9 @@ static void fdp_nci_i2c_read_device_properties(struct device *dev,
 					   len, sizeof(**fw_vsc_cfg),
 					   GFP_KERNEL);
 
+		if (!*fw_vsc_cfg)
+			goto alloc_err;
+
 		r = device_property_read_u8_array(dev, FDP_DP_FW_VSC_CFG_NAME,
 						  *fw_vsc_cfg, len);
 
@@ -260,6 +263,7 @@ vsc_read_err:
 		*fw_vsc_cfg = NULL;
 	}
 
+alloc_err:
 	dev_dbg(dev, "Clock type: %d, clock frequency: %d, VSC: %s",
 		*clock_type, *clock_freq, *fw_vsc_cfg != NULL ? "yes" : "no");
 }

include/net/netfilter/nf_tproxy.h

@@ -17,6 +17,13 @@ static inline bool nf_tproxy_sk_is_transparent(struct sock *sk)
 	return false;
 }
 
+static inline void nf_tproxy_twsk_deschedule_put(struct inet_timewait_sock *tw)
+{
+	local_bh_disable();
+	inet_twsk_deschedule_put(tw);
+	local_bh_enable();
+}
+
 /* assign a socket to the skb -- consumes sk */
 static inline void nf_tproxy_assign_sock(struct sk_buff *skb, struct sock *sk)
 {

include/uapi/linux/fou.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/fou.yaml */
 /* YNL-GEN uapi header */

include/uapi/linux/netdev.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN uapi header */

kernel/bpf/btf.c

@@ -4569,6 +4569,7 @@ static int btf_datasec_resolve(struct btf_verifier_env *env,
 	struct btf *btf = env->btf;
 	u16 i;
 
+	env->resolve_mode = RESOLVE_TBD;
 	for_each_vsi_from(i, v->next_member, v->t, vsi) {
 		u32 var_type_id = vsi->type, type_id, type_size = 0;
 		const struct btf_type *var_type = btf_type_by_id(env->btf,

net/bpf/test_run.c

@@ -97,8 +97,11 @@ reset:
 struct xdp_page_head {
 	struct xdp_buff orig_ctx;
 	struct xdp_buff ctx;
-	struct xdp_frame frm;
+	union {
-	u8 data[];
+		/* ::data_hard_start starts here */
+		DECLARE_FLEX_ARRAY(struct xdp_frame, frame);
+		DECLARE_FLEX_ARRAY(u8, data);
+	};
 };
 
 struct xdp_test_data {
@@ -113,6 +116,10 @@ struct xdp_test_data {
 	u32 frame_cnt;
 };
 
+/* tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c:%MAX_PKT_SIZE
+ * must be updated accordingly this gets changed, otherwise BPF selftests
+ * will fail.
+ */
 #define TEST_XDP_FRAME_SIZE (PAGE_SIZE - sizeof(struct xdp_page_head))
 #define TEST_XDP_MAX_BATCH 256
 
@@ -132,8 +139,8 @@ static void xdp_test_run_init_page(struct page *page, void *arg)
 	headroom -= meta_len;
 
 	new_ctx = &head->ctx;
-	frm = &head->frm;
+	frm = head->frame;
-	data = &head->data;
+	data = head->data;
 	memcpy(data + headroom, orig_ctx->data_meta, frm_len);
 
 	xdp_init_buff(new_ctx, TEST_XDP_FRAME_SIZE, &xdp->rxq);
@@ -223,7 +230,7 @@ static void reset_ctx(struct xdp_page_head *head)
 	head->ctx.data = head->orig_ctx.data;
 	head->ctx.data_meta = head->orig_ctx.data_meta;
 	head->ctx.data_end = head->orig_ctx.data_end;
-	xdp_update_frame_from_buff(&head->ctx, &head->frm);
+	xdp_update_frame_from_buff(&head->ctx, head->frame);
 }
 
 static int xdp_recv_frames(struct xdp_frame **frames, int nframes,
@@ -285,7 +292,7 @@ static int xdp_test_run_batch(struct xdp_test_data *xdp, struct bpf_prog *prog,
 		head = phys_to_virt(page_to_phys(page));
 		reset_ctx(head);
 		ctx = &head->ctx;
-		frm = &head->frm;
+		frm = head->frame;
 		xdp->frame_cnt++;
 
 		act = bpf_prog_run_xdp(prog, ctx);

net/caif/caif_usb.c

@@ -134,6 +134,9 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
 	struct usb_device *usbdev;
 	int res;
 
+	if (what == NETDEV_UNREGISTER && dev->reg_state >= NETREG_UNREGISTERED)
+		return 0;
+
 	/* Check whether we have a NCM device, and find its VID/PID. */
 	if (!(dev->dev.parent && dev->dev.parent->driver &&
 	      strcmp(dev->dev.parent->driver->name, "cdc_ncm") == 0))

net/core/netdev-genl-gen.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN kernel source */

net/core/netdev-genl-gen.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN kernel header */

net/core/skbuff.c

@@ -517,18 +517,16 @@ static void *kmalloc_reserve(unsigned int *size, gfp_t flags, int node,
 #ifdef HAVE_SKB_SMALL_HEAD_CACHE
 	if (obj_size <= SKB_SMALL_HEAD_CACHE_SIZE &&
 	    !(flags & KMALLOC_NOT_NORMAL_BITS)) {
-
-		/* skb_small_head_cache has non power of two size,
-		 * likely forcing SLUB to use order-3 pages.
-		 * We deliberately attempt a NOMEMALLOC allocation only.
-		 */
 		obj = kmem_cache_alloc_node(skb_small_head_cache,
 				flags | __GFP_NOMEMALLOC | __GFP_NOWARN,
 				node);
-		if (obj) {
+		*size = SKB_SMALL_HEAD_CACHE_SIZE;
-			*size = SKB_SMALL_HEAD_CACHE_SIZE;
+		if (obj || !(gfp_pfmemalloc_allowed(flags)))
 			goto out;
-		}
+		/* Try again but now we are using pfmemalloc reserves */
+		ret_pfmemalloc = true;
+		obj = kmem_cache_alloc_node(skb_small_head_cache, flags, node);
+		goto out;
 	}
 #endif
 	*size = obj_size = kmalloc_size_roundup(obj_size);
@@ -2082,6 +2080,7 @@ struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, unsigned int headroom)
 }
 EXPORT_SYMBOL(skb_realloc_headroom);
 
+/* Note: We plan to rework this in linux-6.4 */
 int __skb_unclone_keeptruesize(struct sk_buff *skb, gfp_t pri)
 {
 	unsigned int saved_end_offset, saved_truesize;
@@ -2100,6 +2099,22 @@ int __skb_unclone_keeptruesize(struct sk_buff *skb, gfp_t pri)
 	if (likely(skb_end_offset(skb) == saved_end_offset))
 		return 0;
 
+#ifdef HAVE_SKB_SMALL_HEAD_CACHE
+	/* We can not change skb->end if the original or new value
+	 * is SKB_SMALL_HEAD_HEADROOM, as it might break skb_kfree_head().
+	 */
+	if (saved_end_offset == SKB_SMALL_HEAD_HEADROOM ||
+	    skb_end_offset(skb) == SKB_SMALL_HEAD_HEADROOM) {
+		/* We think this path should not be taken.
+		 * Add a temporary trace to warn us just in case.
+		 */
+		pr_err_once("__skb_unclone_keeptruesize() skb_end_offset() %u -> %u\n",
+			    saved_end_offset, skb_end_offset(skb));
+		WARN_ON_ONCE(1);
+		return 0;
+	}
+#endif
+
 	shinfo = skb_shinfo(skb);
 
 	/* We are about to change back skb->end,

net/core/sock.c

@@ -2818,7 +2818,8 @@ static void sk_enter_memory_pressure(struct sock *sk)
 static void sk_leave_memory_pressure(struct sock *sk)
 {
 	if (sk->sk_prot->leave_memory_pressure) {
-		sk->sk_prot->leave_memory_pressure(sk);
+		INDIRECT_CALL_INET_1(sk->sk_prot->leave_memory_pressure,
+				     tcp_leave_memory_pressure, sk);
 	} else {
 		unsigned long *memory_pressure = sk->sk_prot->memory_pressure;
 

net/ieee802154/nl802154.c

@@ -1412,7 +1412,7 @@ static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
 		return -EOPNOTSUPP;
 	}
 
-	if (!nla_get_u8(info->attrs[NL802154_ATTR_SCAN_TYPE])) {
+	if (!info->attrs[NL802154_ATTR_SCAN_TYPE]) {
 		NL_SET_ERR_MSG(info->extack, "Malformed request, missing scan type");
 		return -EINVAL;
 	}

net/ipv4/fou_nl.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: BSD-3-Clause
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/fou.yaml */
 /* YNL-GEN kernel source */

net/ipv4/fou_nl.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: BSD-3-Clause */
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/fou.yaml */
 /* YNL-GEN kernel header */

net/ipv4/netfilter/nf_tproxy_ipv4.c

@@ -38,7 +38,7 @@ nf_tproxy_handle_time_wait4(struct net *net, struct sk_buff *skb,
 					    hp->source, lport ? lport : hp->dest,
 					    skb->dev, NF_TPROXY_LOOKUP_LISTENER);
 		if (sk2) {
-			inet_twsk_deschedule_put(inet_twsk(sk));
+			nf_tproxy_twsk_deschedule_put(inet_twsk(sk));
 			sk = sk2;
 		}
 	}

net/ipv4/tcp_bpf.c

@@ -186,6 +186,9 @@ static int tcp_bpf_recvmsg_parser(struct sock *sk,
 	if (unlikely(flags & MSG_ERRQUEUE))
 		return inet_recv_error(sk, msg, len, addr_len);
 
+	if (!len)
+		return 0;
+
 	psock = sk_psock_get(sk);
 	if (unlikely(!psock))
 		return tcp_recvmsg(sk, msg, len, flags, addr_len);
@@ -244,6 +247,9 @@ static int tcp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	if (unlikely(flags & MSG_ERRQUEUE))
 		return inet_recv_error(sk, msg, len, addr_len);
 
+	if (!len)
+		return 0;
+
 	psock = sk_psock_get(sk);
 	if (unlikely(!psock))
 		return tcp_recvmsg(sk, msg, len, flags, addr_len);

net/ipv4/udp_bpf.c

@@ -68,6 +68,9 @@ static int udp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
 	if (unlikely(flags & MSG_ERRQUEUE))
 		return inet_recv_error(sk, msg, len, addr_len);
 
+	if (!len)
+		return 0;
+
 	psock = sk_psock_get(sk);
 	if (unlikely(!psock))
 		return sk_udp_recvmsg(sk, msg, len, flags, addr_len);

net/ipv6/ila/ila_xlat.c

@@ -477,6 +477,7 @@ int ila_xlat_nl_cmd_get_mapping(struct sk_buff *skb, struct genl_info *info)
 
 	rcu_read_lock();
 
+	ret = -ESRCH;
 	ila = ila_lookup_by_params(&xp, ilan);
 	if (ila) {
 		ret = ila_dump_info(ila,

net/ipv6/netfilter/nf_tproxy_ipv6.c

@@ -63,7 +63,7 @@ nf_tproxy_handle_time_wait6(struct sk_buff *skb, int tproto, int thoff,
 					    lport ? lport : hp->dest,
 					    skb->dev, NF_TPROXY_LOOKUP_LISTENER);
 		if (sk2) {
-			inet_twsk_deschedule_put(inet_twsk(sk));
+			nf_tproxy_twsk_deschedule_put(inet_twsk(sk));
 			sk = sk2;
 		}
 	}

net/netfilter/nf_conntrack_core.c

@@ -96,8 +96,8 @@ static DEFINE_MUTEX(nf_conntrack_mutex);
 #define GC_SCAN_MAX_DURATION	msecs_to_jiffies(10)
 #define GC_SCAN_EXPIRED_MAX	(64000u / HZ)
 
-#define MIN_CHAINLEN	8u
+#define MIN_CHAINLEN	50u
-#define MAX_CHAINLEN	(32u - MIN_CHAINLEN)
+#define MAX_CHAINLEN	(80u - MIN_CHAINLEN)
 
 static struct conntrack_gc_work conntrack_gc_work;
 

net/netfilter/nf_conntrack_netlink.c

@@ -328,11 +328,12 @@ nla_put_failure:
 }
 
 #ifdef CONFIG_NF_CONNTRACK_MARK
-static int ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct)
+static int ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct,
+			       bool dump)
 {
 	u32 mark = READ_ONCE(ct->mark);
 
-	if (!mark)
+	if (!mark && !dump)
 		return 0;
 
 	if (nla_put_be32(skb, CTA_MARK, htonl(mark)))
@@ -343,7 +344,7 @@ nla_put_failure:
 	return -1;
 }
 #else
-#define ctnetlink_dump_mark(a, b) (0)
+#define ctnetlink_dump_mark(a, b, c) (0)
 #endif
 
 #ifdef CONFIG_NF_CONNTRACK_SECMARK
@@ -548,7 +549,7 @@ static int ctnetlink_dump_extinfo(struct sk_buff *skb,
 static int ctnetlink_dump_info(struct sk_buff *skb, struct nf_conn *ct)
 {
 	if (ctnetlink_dump_status(skb, ct) < 0 ||
-	    ctnetlink_dump_mark(skb, ct) < 0 ||
+	    ctnetlink_dump_mark(skb, ct, true) < 0 ||
 	    ctnetlink_dump_secctx(skb, ct) < 0 ||
 	    ctnetlink_dump_id(skb, ct) < 0 ||
 	    ctnetlink_dump_use(skb, ct) < 0 ||
@@ -831,8 +832,7 @@ ctnetlink_conntrack_event(unsigned int events, const struct nf_ct_event *item)
 	}
 
 #ifdef CONFIG_NF_CONNTRACK_MARK
-	if (events & (1 << IPCT_MARK) &&
+	if (ctnetlink_dump_mark(skb, ct, events & (1 << IPCT_MARK)))
-	    ctnetlink_dump_mark(skb, ct) < 0)
 		goto nla_put_failure;
 #endif
 	nlmsg_end(skb, nlh);
@@ -2735,7 +2735,7 @@ static int __ctnetlink_glue_build(struct sk_buff *skb, struct nf_conn *ct)
 		goto nla_put_failure;
 
 #ifdef CONFIG_NF_CONNTRACK_MARK
-	if (ctnetlink_dump_mark(skb, ct) < 0)
+	if (ctnetlink_dump_mark(skb, ct, true) < 0)
 		goto nla_put_failure;
 #endif
 	if (ctnetlink_dump_labels(skb, ct) < 0)

net/netfilter/nft_last.c

@@ -105,11 +105,15 @@ static void nft_last_destroy(const struct nft_ctx *ctx,
 static int nft_last_clone(struct nft_expr *dst, const struct nft_expr *src)
 {
 	struct nft_last_priv *priv_dst = nft_expr_priv(dst);
+	struct nft_last_priv *priv_src = nft_expr_priv(src);
 
 	priv_dst->last = kzalloc(sizeof(*priv_dst->last), GFP_ATOMIC);
 	if (!priv_dst->last)
 		return -ENOMEM;
 
+	priv_dst->last->set = priv_src->last->set;
+	priv_dst->last->jiffies = priv_src->last->jiffies;
+
 	return 0;
 }
 

net/netfilter/nft_quota.c

@@ -236,12 +236,16 @@ static void nft_quota_destroy(const struct nft_ctx *ctx,
 static int nft_quota_clone(struct nft_expr *dst, const struct nft_expr *src)
 {
 	struct nft_quota *priv_dst = nft_expr_priv(dst);
+	struct nft_quota *priv_src = nft_expr_priv(src);
+
+	priv_dst->quota = priv_src->quota;
+	priv_dst->flags = priv_src->flags;
 
 	priv_dst->consumed = kmalloc(sizeof(*priv_dst->consumed), GFP_ATOMIC);
 	if (!priv_dst->consumed)
 		return -ENOMEM;
 
-	atomic64_set(priv_dst->consumed, 0);
+	*priv_dst->consumed = *priv_src->consumed;
 
 	return 0;
 }

net/nfc/netlink.c

@@ -1446,8 +1446,8 @@ static int nfc_se_io(struct nfc_dev *dev, u32 se_idx,
 	return rc;
 
 error:
-	kfree(cb_context);
 	device_unlock(&dev->dev);
+	kfree(cb_context);
 	return rc;
 }
 

net/sched/act_connmark.c

@@ -158,6 +158,9 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
 		nparms->zone = parm->zone;
 
 		ret = 0;
+	} else {
+		err = ret;
+		goto out_free;
 	}
 
 	err = tcf_action_check_ctrlact(parm->action, tp, &goto_ch, extack);

net/sched/cls_flower.c

@@ -2200,8 +2200,9 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
 		fnew->flags = nla_get_u32(tb[TCA_FLOWER_FLAGS]);
 
 		if (!tc_flags_valid(fnew->flags)) {
+			kfree(fnew);
 			err = -EINVAL;
-			goto errout;
+			goto errout_tb;
 		}
 	}
 
@@ -2226,8 +2227,10 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
 		}
 		spin_unlock(&tp->lock);
 
-		if (err)
+		if (err) {
-			goto errout;
+			kfree(fnew);
+			goto errout_tb;
+		}
 	}
 	fnew->handle = handle;
 
@@ -2337,7 +2340,6 @@ errout_mask:
 	fl_mask_put(head, fnew->mask);
 errout_idr:
 	idr_remove(&head->handle_idr, fnew->handle);
-errout:
 	__fl_put(fnew);
 errout_tb:
 	kfree(tb);

net/smc/af_smc.c

@@ -2657,16 +2657,14 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 {
 	struct sock *sk = sock->sk;
 	struct smc_sock *smc;
-	int rc = -EPIPE;
+	int rc;
 
 	smc = smc_sk(sk);
 	lock_sock(sk);
-	if ((sk->sk_state != SMC_ACTIVE) &&
-	    (sk->sk_state != SMC_APPCLOSEWAIT1) &&
-	    (sk->sk_state != SMC_INIT))
-		goto out;
 
+	/* SMC does not support connect with fastopen */
 	if (msg->msg_flags & MSG_FASTOPEN) {
+		/* not connected yet, fallback */
 		if (sk->sk_state == SMC_INIT && !smc->connect_nonblock) {
 			rc = smc_switch_to_fallback(smc, SMC_CLC_DECL_OPTUNSUPP);
 			if (rc)
@@ -2675,6 +2673,11 @@ static int smc_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
 			rc = -EINVAL;
 			goto out;
 		}
+	} else if ((sk->sk_state != SMC_ACTIVE) &&
+		   (sk->sk_state != SMC_APPCLOSEWAIT1) &&
+		   (sk->sk_state != SMC_INIT)) {
+		rc = -EPIPE;
+		goto out;
 	}
 
 	if (smc->use_fallback) {

net/socket.c

@@ -450,7 +450,9 @@ static struct file_system_type sock_fs_type = {
  *
  *	Returns the &file bound with @sock, implicitly storing it
  *	in sock->file. If dname is %NULL, sets to "".
- *	On failure the return is a ERR pointer (see linux/err.h).
+ *
+ *	On failure @sock is released, and an ERR pointer is returned.
+ *
  *	This function uses GFP_KERNEL internally.
  */
 
@@ -1638,7 +1640,6 @@ static struct socket *__sys_socket_create(int family, int type, int protocol)
 struct file *__sys_socket_file(int family, int type, int protocol)
 {
 	struct socket *sock;
-	struct file *file;
 	int flags;
 
 	sock = __sys_socket_create(family, type, protocol);
@@ -1649,11 +1650,7 @@ struct file *__sys_socket_file(int family, int type, int protocol)
 	if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK))
 		flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK;
 
-	file = sock_alloc_file(sock, flags, NULL);
+	return sock_alloc_file(sock, flags, NULL);
-	if (IS_ERR(file))
-		sock_release(sock);
-
-	return file;
 }
 
 int __sys_socket(int family, int type, int protocol)

net/tls/tls_device.c

@@ -508,6 +508,8 @@ handle_error:
 			zc_pfrag.offset = iter_offset.offset;
 			zc_pfrag.size = copy;
 			tls_append_frag(record, &zc_pfrag, copy);
+
+			iter_offset.offset += copy;
 		} else if (copy) {
 			copy = min_t(size_t, copy, pfrag->size - pfrag->offset);
 

net/tls/tls_main.c

@@ -405,13 +405,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(crypto_info_aes_gcm_128->iv,
 		       cctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
 		       TLS_CIPHER_AES_GCM_128_IV_SIZE);
 		memcpy(crypto_info_aes_gcm_128->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval,
 				 crypto_info_aes_gcm_128,
 				 sizeof(*crypto_info_aes_gcm_128)))
@@ -429,13 +427,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(crypto_info_aes_gcm_256->iv,
 		       cctx->iv + TLS_CIPHER_AES_GCM_256_SALT_SIZE,
 		       TLS_CIPHER_AES_GCM_256_IV_SIZE);
 		memcpy(crypto_info_aes_gcm_256->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval,
 				 crypto_info_aes_gcm_256,
 				 sizeof(*crypto_info_aes_gcm_256)))
@@ -451,13 +447,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(aes_ccm_128->iv,
 		       cctx->iv + TLS_CIPHER_AES_CCM_128_SALT_SIZE,
 		       TLS_CIPHER_AES_CCM_128_IV_SIZE);
 		memcpy(aes_ccm_128->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval, aes_ccm_128, sizeof(*aes_ccm_128)))
 			rc = -EFAULT;
 		break;
@@ -472,13 +466,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(chacha20_poly1305->iv,
 		       cctx->iv + TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE,
 		       TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE);
 		memcpy(chacha20_poly1305->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval, chacha20_poly1305,
 				sizeof(*chacha20_poly1305)))
 			rc = -EFAULT;
@@ -493,13 +485,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(sm4_gcm_info->iv,
 		       cctx->iv + TLS_CIPHER_SM4_GCM_SALT_SIZE,
 		       TLS_CIPHER_SM4_GCM_IV_SIZE);
 		memcpy(sm4_gcm_info->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval, sm4_gcm_info, sizeof(*sm4_gcm_info)))
 			rc = -EFAULT;
 		break;
@@ -513,13 +503,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(sm4_ccm_info->iv,
 		       cctx->iv + TLS_CIPHER_SM4_CCM_SALT_SIZE,
 		       TLS_CIPHER_SM4_CCM_IV_SIZE);
 		memcpy(sm4_ccm_info->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval, sm4_ccm_info, sizeof(*sm4_ccm_info)))
 			rc = -EFAULT;
 		break;
@@ -535,13 +523,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(crypto_info_aria_gcm_128->iv,
 		       cctx->iv + TLS_CIPHER_ARIA_GCM_128_SALT_SIZE,
 		       TLS_CIPHER_ARIA_GCM_128_IV_SIZE);
 		memcpy(crypto_info_aria_gcm_128->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval,
 				 crypto_info_aria_gcm_128,
 				 sizeof(*crypto_info_aria_gcm_128)))
@@ -559,13 +545,11 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval,
 			rc = -EINVAL;
 			goto out;
 		}
-		lock_sock(sk);
 		memcpy(crypto_info_aria_gcm_256->iv,
 		       cctx->iv + TLS_CIPHER_ARIA_GCM_256_SALT_SIZE,
 		       TLS_CIPHER_ARIA_GCM_256_IV_SIZE);
 		memcpy(crypto_info_aria_gcm_256->rec_seq, cctx->rec_seq,
 		       TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE);
-		release_sock(sk);
 		if (copy_to_user(optval,
 				 crypto_info_aria_gcm_256,
 				 sizeof(*crypto_info_aria_gcm_256)))
@@ -614,11 +598,9 @@ static int do_tls_getsockopt_no_pad(struct sock *sk, char __user *optval,
 	if (len < sizeof(value))
 		return -EINVAL;
 
-	lock_sock(sk);
 	value = -EINVAL;
 	if (ctx->rx_conf == TLS_SW || ctx->rx_conf == TLS_HW)
 		value = ctx->rx_no_pad;
-	release_sock(sk);
 	if (value < 0)
 		return value;
 
@@ -635,6 +617,8 @@ static int do_tls_getsockopt(struct sock *sk, int optname,
 {
 	int rc = 0;
 
+	lock_sock(sk);
+
 	switch (optname) {
 	case TLS_TX:
 	case TLS_RX:
@@ -651,6 +635,9 @@ static int do_tls_getsockopt(struct sock *sk, int optname,
 		rc = -ENOPROTOOPT;
 		break;
 	}
+
+	release_sock(sk);
+
 	return rc;
 }
 

net/tls/tls_sw.c

@@ -956,7 +956,9 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 			       MSG_CMSG_COMPAT))
 		return -EOPNOTSUPP;
 
-	mutex_lock(&tls_ctx->tx_lock);
+	ret = mutex_lock_interruptible(&tls_ctx->tx_lock);
+	if (ret)
+		return ret;
 	lock_sock(sk);
 
 	if (unlikely(msg->msg_controllen)) {
@@ -1290,7 +1292,9 @@ int tls_sw_sendpage(struct sock *sk, struct page *page,
 		      MSG_SENDPAGE_NOTLAST | MSG_SENDPAGE_NOPOLICY))
 		return -EOPNOTSUPP;
 
-	mutex_lock(&tls_ctx->tx_lock);
+	ret = mutex_lock_interruptible(&tls_ctx->tx_lock);
+	if (ret)
+		return ret;
 	lock_sock(sk);
 	ret = tls_sw_do_sendpage(sk, page, offset, size, flags);
 	release_sock(sk);
@@ -2127,7 +2131,7 @@ recv_end:
 		else
 			err = process_rx_list(ctx, msg, &control, 0,
 					      async_copy_bytes, is_peek);
-		decrypted = max(err, 0);
+		decrypted += max(err, 0);
 	}
 
 	copied += decrypted;
@@ -2435,11 +2439,19 @@ static void tx_work_handler(struct work_struct *work)
 
 	if (!test_and_clear_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask))
 		return;
-	mutex_lock(&tls_ctx->tx_lock);
+
-	lock_sock(sk);
+	if (mutex_trylock(&tls_ctx->tx_lock)) {
-	tls_tx_records(sk, -1);
+		lock_sock(sk);
-	release_sock(sk);
+		tls_tx_records(sk, -1);
-	mutex_unlock(&tls_ctx->tx_lock);
+		release_sock(sk);
+		mutex_unlock(&tls_ctx->tx_lock);
+	} else if (!test_and_set_bit(BIT_TX_SCHEDULED, &ctx->tx_bitmask)) {
+		/* Someone is holding the tx_lock, they will likely run Tx
+		 * and cancel the work on their way out of the lock section.
+		 * Schedule a long delay just in case.
+		 */
+		schedule_delayed_work(&ctx->tx_work.work, msecs_to_jiffies(10));
+	}
 }
 
 static bool tls_is_tx_ready(struct tls_sw_context_tx *ctx)

net/unix/af_unix.c

@@ -2105,7 +2105,8 @@ out:
 #define UNIX_SKB_FRAGS_SZ (PAGE_SIZE << get_order(32768))
 
 #if IS_ENABLED(CONFIG_AF_UNIX_OOB)
-static int queue_oob(struct socket *sock, struct msghdr *msg, struct sock *other)
+static int queue_oob(struct socket *sock, struct msghdr *msg, struct sock *other,
+		     struct scm_cookie *scm, bool fds_sent)
 {
 	struct unix_sock *ousk = unix_sk(other);
 	struct sk_buff *skb;
@@ -2116,6 +2117,11 @@ static int queue_oob(struct socket *sock, struct msghdr *msg, struct sock *other
 	if (!skb)
 		return err;
 
+	err = unix_scm_to_skb(scm, skb, !fds_sent);
+	if (err < 0) {
+		kfree_skb(skb);
+		return err;
+	}
 	skb_put(skb, 1);
 	err = skb_copy_datagram_from_iter(skb, 0, &msg->msg_iter, 1);
 
@@ -2243,7 +2249,7 @@ static int unix_stream_sendmsg(struct socket *sock, struct msghdr *msg,
 
 #if IS_ENABLED(CONFIG_AF_UNIX_OOB)
 	if (msg->msg_flags & MSG_OOB) {
-		err = queue_oob(sock, msg, other);
+		err = queue_oob(sock, msg, other, &scm, fds_sent);
 		if (err)
 			goto out_err;
 		sent++;

net/unix/unix_bpf.c

@@ -54,6 +54,9 @@ static int unix_bpf_recvmsg(struct sock *sk, struct msghdr *msg,
 	struct sk_psock *psock;
 	int copied;
 
+	if (!len)
+		return 0;
+
 	psock = sk_psock_get(sk);
 	if (unlikely(!psock))
 		return __unix_recvmsg(sk, msg, len, flags);

tools/include/uapi/linux/netdev.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN uapi header */

tools/net/ynl/cli.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 
 import argparse
 import json

tools/net/ynl/lib/__init__.py

@@ -1,7 +1,8 @@
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 
-from .nlspec import SpecAttr, SpecAttrSet, SpecFamily, SpecOperation
+from .nlspec import SpecAttr, SpecAttrSet, SpecEnumEntry, SpecEnumSet, \
+    SpecFamily, SpecOperation
 from .ynl import YnlFamily
 
-__all__ = ["SpecAttr", "SpecAttrSet", "SpecFamily", "SpecOperation",
+__all__ = ["SpecAttr", "SpecAttrSet", "SpecEnumEntry", "SpecEnumSet",
-           "YnlFamily"]
+           "SpecFamily", "SpecOperation", "YnlFamily"]

tools/net/ynl/lib/nlspec.py

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 
 import collections
 import importlib
@@ -57,6 +57,94 @@ class SpecElement:
         pass
 
 
+class SpecEnumEntry(SpecElement):
+    """ Entry within an enum declared in the Netlink spec.
+
+    Attributes:
+        doc         documentation string
+        enum_set    back reference to the enum
+        value       numerical value of this enum (use accessors in most situations!)
+
+    Methods:
+        raw_value   raw value, i.e. the id in the enum, unlike user value which is a mask for flags
+        user_value   user value, same as raw value for enums, for flags it's the mask
+    """
+    def __init__(self, enum_set, yaml, prev, value_start):
+        if isinstance(yaml, str):
+            yaml = {'name': yaml}
+        super().__init__(enum_set.family, yaml)
+
+        self.doc = yaml.get('doc', '')
+        self.enum_set = enum_set
+
+        if 'value' in yaml:
+            self.value = yaml['value']
+        elif prev:
+            self.value = prev.value + 1
+        else:
+            self.value = value_start
+
+    def has_doc(self):
+        return bool(self.doc)
+
+    def raw_value(self):
+        return self.value
+
+    def user_value(self):
+        if self.enum_set['type'] == 'flags':
+            return 1 << self.value
+        else:
+            return self.value
+
+
+class SpecEnumSet(SpecElement):
+    """ Enum type
+
+    Represents an enumeration (list of numerical constants)
+    as declared in the "definitions" section of the spec.
+
+    Attributes:
+        type            enum or flags
+        entries         entries by name
+        entries_by_val  entries by value
+    Methods:
+        get_mask      for flags compute the mask of all defined values
+    """
+    def __init__(self, family, yaml):
+        super().__init__(family, yaml)
+
+        self.type = yaml['type']
+
+        prev_entry = None
+        value_start = self.yaml.get('value-start', 0)
+        self.entries = dict()
+        self.entries_by_val = dict()
+        for entry in self.yaml['entries']:
+            e = self.new_entry(entry, prev_entry, value_start)
+            self.entries[e.name] = e
+            self.entries_by_val[e.raw_value()] = e
+            prev_entry = e
+
+    def new_entry(self, entry, prev_entry, value_start):
+        return SpecEnumEntry(self, entry, prev_entry, value_start)
+
+    def has_doc(self):
+        if 'doc' in self.yaml:
+            return True
+        for entry in self.entries.values():
+            if entry.has_doc():
+                return True
+        return False
+
+    def get_mask(self):
+        mask = 0
+        idx = self.yaml.get('value-start', 0)
+        for _ in self.entries.values():
+            mask |= 1 << idx
+            idx += 1
+        return mask
+
+
 class SpecAttr(SpecElement):
     """ Single Netlink atttribute type
 
@@ -95,15 +183,22 @@ class SpecAttrSet(SpecElement):
         self.attrs = collections.OrderedDict()
         self.attrs_by_val = collections.OrderedDict()
 
-        val = 0
+        if self.subset_of is None:
-        for elem in self.yaml['attributes']:
+            val = 1
-            if 'value' in elem:
+            for elem in self.yaml['attributes']:
-                val = elem['value']
+                if 'value' in elem:
+                    val = elem['value']
 
-            attr = self.new_attr(elem, val)
+                attr = self.new_attr(elem, val)
-            self.attrs[attr.name] = attr
+                self.attrs[attr.name] = attr
-            self.attrs_by_val[attr.value] = attr
+                self.attrs_by_val[attr.value] = attr
-            val += 1
+                val += 1
+        else:
+            real_set = family.attr_sets[self.subset_of]
+            for elem in self.yaml['attributes']:
+                attr = real_set[elem['name']]
+                self.attrs[attr.name] = attr
+                self.attrs_by_val[attr.value] = attr
 
     def new_attr(self, elem, value):
         return SpecAttr(self.family, self, elem, value)
@@ -186,6 +281,7 @@ class SpecFamily(SpecElement):
         msgs       dict of all messages (index by name)
         msgs_by_value  dict of all messages (indexed by name)
         ops        dict of all valid requests / responses
+        consts     dict of all constants/enums
     """
     def __init__(self, spec_path, schema_path=None):
         with open(spec_path, "r") as stream:
@@ -215,6 +311,7 @@ class SpecFamily(SpecElement):
         self.req_by_value = collections.OrderedDict()
         self.rsp_by_value = collections.OrderedDict()
         self.ops = collections.OrderedDict()
+        self.consts = collections.OrderedDict()
 
         last_exception = None
         while len(self._resolution_list) > 0:
@@ -235,6 +332,9 @@ class SpecFamily(SpecElement):
             if len(resolved) == 0:
                 raise last_exception
 
+    def new_enum(self, elem):
+        return SpecEnumSet(self, elem)
+
     def new_attr_set(self, elem):
         return SpecAttrSet(self, elem)
 
@@ -245,7 +345,7 @@ class SpecFamily(SpecElement):
         self._resolution_list.append(elem)
 
     def _dictify_ops_unified(self):
-        val = 0
+        val = 1
         for elem in self.yaml['operations']['list']:
             if 'value' in elem:
                 val = elem['value']
@@ -256,7 +356,7 @@ class SpecFamily(SpecElement):
             self.msgs[op.name] = op
 
     def _dictify_ops_directional(self):
-        req_val = rsp_val = 0
+        req_val = rsp_val = 1
         for elem in self.yaml['operations']['list']:
             if 'notify' in elem:
                 if 'value' in elem:
@@ -289,6 +389,12 @@ class SpecFamily(SpecElement):
     def resolve(self):
         self.resolve_up(super())
 
+        for elem in self.yaml['definitions']:
+            if elem['type'] == 'enum' or elem['type'] == 'flags':
+                self.consts[elem['name']] = self.new_enum(elem)
+            else:
+                self.consts[elem['name']] = elem
+
         for elem in self.yaml['attribute-sets']:
             attr_set = self.new_attr_set(elem)
             self.attr_sets[elem['name']] = attr_set

tools/net/ynl/lib/ynl.py

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 
 import functools
 import os
@@ -303,11 +303,6 @@ class YnlFamily(SpecFamily):
         self.sock.setsockopt(Netlink.SOL_NETLINK, Netlink.NETLINK_CAP_ACK, 1)
         self.sock.setsockopt(Netlink.SOL_NETLINK, Netlink.NETLINK_EXT_ACK, 1)
 
-        self._types = dict()
-
-        for elem in self.yaml.get('definitions', []):
-            self._types[elem['name']] = elem
-
         self.async_msg_ids = set()
         self.async_msg_queue = []
 
@@ -353,13 +348,13 @@ class YnlFamily(SpecFamily):
 
     def _decode_enum(self, rsp, attr_spec):
         raw = rsp[attr_spec['name']]
-        enum = self._types[attr_spec['enum']]
+        enum = self.consts[attr_spec['enum']]
         i = attr_spec.get('value-start', 0)
         if 'enum-as-flags' in attr_spec and attr_spec['enum-as-flags']:
             value = set()
             while raw:
                 if raw & 1:
-                    value.add(enum['entries'][i])
+                    value.add(enum.entries_by_val[i].name)
                 raw >>= 1
                 i += 1
         else:

tools/net/ynl/ynl-gen-c.py

@@ -1,11 +1,12 @@
 #!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 
 import argparse
 import collections
 import os
 import yaml
 
-from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation
+from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation, SpecEnumSet, SpecEnumEntry
 
 
 def c_upper(name):
@@ -566,97 +567,37 @@ class Struct:
         self.inherited = [c_lower(x) for x in sorted(self._inherited)]
 
 
-class EnumEntry:
+class EnumEntry(SpecEnumEntry):
     def __init__(self, enum_set, yaml, prev, value_start):
-        if isinstance(yaml, str):
+        super().__init__(enum_set, yaml, prev, value_start)
-            self.name = yaml
-            yaml = {}
-            self.doc = ''
-        else:
-            self.name = yaml['name']
-            self.doc = yaml.get('doc', '')
 
-        self.yaml = yaml
+        if prev:
-        self.enum_set = enum_set
+            self.value_change = (self.value != prev.value + 1)
-        self.c_name = c_upper(enum_set.value_pfx + self.name)
-
-        if 'value' in yaml:
-            self.value = yaml['value']
-            if prev:
-                self.value_change = (self.value != prev.value + 1)
-        elif prev:
-            self.value_change = False
-            self.value = prev.value + 1
         else:
-            self.value = value_start
             self.value_change = (self.value != 0)
-
         self.value_change = self.value_change or self.enum_set['type'] == 'flags'
 
-    def __getitem__(self, key):
+        # Added by resolve:
-        return self.yaml[key]
+        self.c_name = None
+        delattr(self, "c_name")
 
-    def __contains__(self, key):
+    def resolve(self):
-        return key in self.yaml
+        self.resolve_up(super())
 
-    def has_doc(self):
+        self.c_name = c_upper(self.enum_set.value_pfx + self.name)
-        return bool(self.doc)
-
-    # raw value, i.e. the id in the enum, unlike user value which is a mask for flags
-    def raw_value(self):
-        return self.value
-
-    # user value, same as raw value for enums, for flags it's the mask
-    def user_value(self):
-        if self.enum_set['type'] == 'flags':
-            return 1 << self.value
-        else:
-            return self.value
 
 
-class EnumSet:
+class EnumSet(SpecEnumSet):
     def __init__(self, family, yaml):
-        self.yaml = yaml
-        self.family = family
-
         self.render_name = c_lower(family.name + '-' + yaml['name'])
         self.enum_name = 'enum ' + self.render_name
 
         self.value_pfx = yaml.get('name-prefix', f"{family.name}-{yaml['name']}-")
 
-        self.type = yaml['type']
+        super().__init__(family, yaml)
 
-        prev_entry = None
+    def new_entry(self, entry, prev_entry, value_start):
-        value_start = self.yaml.get('value-start', 0)
+        return EnumEntry(self, entry, prev_entry, value_start)
-        self.entries = {}
-        self.entry_list = []
-        for entry in self.yaml['entries']:
-            e = EnumEntry(self, entry, prev_entry, value_start)
-            self.entries[e.name] = e
-            self.entry_list.append(e)
-            prev_entry = e
-
-    def __getitem__(self, key):
-        return self.yaml[key]
-
-    def __contains__(self, key):
-        return key in self.yaml
-
-    def has_doc(self):
-        if 'doc' in self.yaml:
-            return True
-        for entry in self.entry_list:
-            if entry.has_doc():
-                return True
-        return False
-
-    def get_mask(self):
-        mask = 0
-        idx = self.yaml.get('value-start', 0)
-        for _ in self.entry_list:
-            mask |= 1 << idx
-            idx += 1
-        return mask
 
 
 class AttrSet(SpecAttrSet):
@@ -791,8 +732,6 @@ class Family(SpecFamily):
 
         self.mcgrps = self.yaml.get('mcast-groups', {'list': []})
 
-        self.consts = dict()
-
         self.hooks = dict()
         for when in ['pre', 'post']:
             self.hooks[when] = dict()
@@ -819,6 +758,9 @@ class Family(SpecFamily):
         if self.kernel_policy == 'global':
             self._load_global_policy()
 
+    def new_enum(self, elem):
+        return EnumSet(self, elem)
+
     def new_attr_set(self, elem):
         return AttrSet(self, elem)
 
@@ -836,12 +778,6 @@ class Family(SpecFamily):
                 }
 
     def _dictify(self):
-        for elem in self.yaml['definitions']:
-            if elem['type'] == 'enum' or elem['type'] == 'flags':
-                self.consts[elem['name']] = EnumSet(self, elem)
-            else:
-                self.consts[elem['name']] = elem
-
         ntf = []
         for msg in self.msgs.values():
             if 'notify' in msg:
@@ -1979,7 +1915,7 @@ def render_uapi(family, cw):
                 if 'doc' in enum:
                     doc = ' - ' + enum['doc']
                 cw.write_doc_line(enum.enum_name + doc)
-                for entry in enum.entry_list:
+                for entry in enum.entries.values():
                     if entry.has_doc():
                         doc = '@' + entry.c_name + ': ' + entry['doc']
                         cw.write_doc_line(doc)
@@ -1987,7 +1923,7 @@ def render_uapi(family, cw):
 
             uapi_enum_start(family, cw, const, 'name')
             name_pfx = const.get('name-prefix', f"{family.name}-{const['name']}-")
-            for entry in enum.entry_list:
+            for entry in enum.entries.values():
                 suffix = ','
                 if entry.value_change:
                     suffix = f" = {entry.user_value()}" + suffix
@@ -2044,14 +1980,17 @@ def render_uapi(family, cw):
     max_value = f"({cnt_name} - 1)"
 
     uapi_enum_start(family, cw, family['operations'], 'enum-name')
+    val = 0
     for op in family.msgs.values():
         if separate_ntf and ('notify' in op or 'event' in op):
             continue
 
         suffix = ','
-        if 'value' in op:
+        if op.value != val:
-            suffix = f" = {op['value']},"
+            suffix = f" = {op.value},"
+            val = op.value
         cw.p(op.enum_name + suffix)
+        val += 1
     cw.nl()
     cw.p(cnt_name + ('' if max_by_define else ','))
     if not max_by_define:
@@ -2124,12 +2063,12 @@ def main():
 
     _, spec_kernel = find_kernel_root(args.spec)
     if args.mode == 'uapi':
-        cw.p('/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */')
+        cw.p('/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause */')
     else:
         if args.header:
-            cw.p('/* SPDX-License-Identifier: BSD-3-Clause */')
+            cw.p('/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */')
         else:
-            cw.p('// SPDX-License-Identifier: BSD-3-Clause')
+            cw.p('// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause')
     cw.p("/* Do not edit directly, auto-generated from: */")
     cw.p(f"/*\t{spec_kernel} */")
     cw.p(f"/* YNL-GEN {args.mode} {'header' if args.header else 'source'} */")

tools/net/ynl/ynl-regen.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# SPDX-License-Identifier: BSD-3-Clause
+# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
 
 TOOL=$(dirname $(realpath $0))/ynl-gen-c.py
 

tools/testing/selftests/bpf/prog_tests/btf.c

@@ -879,6 +879,34 @@ static struct btf_raw_test raw_tests[] = {
 	.btf_load_err = true,
 	.err_str = "Invalid elem",
 },
+{
+	.descr = "var after datasec, ptr followed by modifier",
+	.raw_types = {
+		/* .bss section */				/* [1] */
+		BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2),
+			sizeof(void*)+4),
+		BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)),
+		BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4),
+		/* int */					/* [2] */
+		BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
+		/* int* */					/* [3] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
+		BTF_VAR_ENC(NAME_TBD, 3, 0),			/* [4] */
+		/* const int */					/* [5] */
+		BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
+		BTF_VAR_ENC(NAME_TBD, 5, 0),			/* [6] */
+		BTF_END_RAW,
+	},
+	.str_sec = "\0a\0b\0c\0",
+	.str_sec_size = sizeof("\0a\0b\0c\0"),
+	.map_type = BPF_MAP_TYPE_ARRAY,
+	.map_name = ".bss",
+	.key_size = sizeof(int),
+	.value_size = sizeof(void*)+4,
+	.key_type_id = 0,
+	.value_type_id = 1,
+	.max_entries = 1,
+},
 /* Test member exceeds the size of struct.
  *
  * struct A {

tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c

@@ -65,12 +65,13 @@ static int attach_tc_prog(struct bpf_tc_hook *hook, int fd)
 }
 
 /* The maximum permissible size is: PAGE_SIZE - sizeof(struct xdp_page_head) -
- * sizeof(struct skb_shared_info) - XDP_PACKET_HEADROOM = 3368 bytes
+ * SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) - XDP_PACKET_HEADROOM =
+ * 3408 bytes for 64-byte cacheline and 3216 for 256-byte one.
  */
 #if defined(__s390x__)
-#define MAX_PKT_SIZE 3176
+#define MAX_PKT_SIZE 3216
 #else
-#define MAX_PKT_SIZE 3368
+#define MAX_PKT_SIZE 3408
 #endif
 static void test_max_pkt_size(int fd)
 {

tools/testing/selftests/netfilter/nft_nat.sh

@@ -404,6 +404,8 @@ EOF
 	echo SERVER-$family | ip netns exec "$ns1" timeout 5 socat -u STDIN TCP-LISTEN:2000 &
 	sc_s=$!
 
+	sleep 1
+
 	result=$(ip netns exec "$ns0" timeout 1 socat TCP:$daddr:2000 STDOUT)
 
 	if [ "$result" = "SERVER-inet" ];then