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

Merge in late fixes to prepare for the 6.6 net-next PR.

No conflicts.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>

23 files changed, 161 insertions, 70 deletions

diff --git a/Documentation/devicetree/bindings/net/dsa/marvell.txt b/Documentation/devicetree/bindings/net/dsa/marvell.txt
index 33726134f5c9..6ec0c181b6db 100644
--- a/Documentation/devicetree/bindings/net/dsa/marvell.txt
+++ b/Documentation/devicetree/bindings/net/dsa/marvell.txt
@@ -20,7 +20,7 @@ which is at a different MDIO base address in different switch families.
 			  6171, 6172, 6175, 6176, 6185, 6240, 6320, 6321,
 			  6341, 6350, 6351, 6352
 - "marvell,mv88e6190"	: Switch has base address 0x00. Use with models:
-			  6163, 6190, 6190X, 6191, 6290, 6390, 6390X
+			  6190, 6190X, 6191, 6290, 6361, 6390, 6390X
 - "marvell,mv88e6250"	: Switch has base address 0x08 or 0x18. Use with model:
 			  6220, 6250
 
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 99265667538c..d9e052c49ba1 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -464,7 +464,7 @@ static void arcnet_reply_tasklet(struct tasklet_struct *t)
 
 	ret = sock_queue_err_skb(sk, ackskb);
 	if (ret)
-		kfree_skb(ackskb);
+		dev_kfree_skb_irq(ackskb);
 
 	local_irq_enable();
 };
diff --git a/drivers/net/ethernet/amd/pds_core/core.c b/drivers/net/ethernet/amd/pds_core/core.c
index f2c79456d745..36f9b932b9e2 100644
--- a/drivers/net/ethernet/amd/pds_core/core.c
+++ b/drivers/net/ethernet/amd/pds_core/core.c
@@ -464,7 +464,8 @@ void pdsc_teardown(struct pdsc *pdsc, bool removing)
 {
 	int i;
 
-	pdsc_devcmd_reset(pdsc);
+	if (!pdsc->pdev->is_virtfn)
+		pdsc_devcmd_reset(pdsc);
 	pdsc_qcq_free(pdsc, &pdsc->notifyqcq);
 	pdsc_qcq_free(pdsc, &pdsc->adminqcq);
 
@@ -524,7 +525,8 @@ static void pdsc_fw_down(struct pdsc *pdsc)
 	}
 
 	/* Notify clients of fw_down */
-	devlink_health_report(pdsc->fw_reporter, "FW down reported", pdsc);
+	if (pdsc->fw_reporter)
+		devlink_health_report(pdsc->fw_reporter, "FW down reported", pdsc);
 	pdsc_notify(PDS_EVENT_RESET, &reset_event);
 
 	pdsc_stop(pdsc);
@@ -554,8 +556,9 @@ static void pdsc_fw_up(struct pdsc *pdsc)
 
 	/* Notify clients of fw_up */
 	pdsc->fw_recoveries++;
-	devlink_health_reporter_state_update(pdsc->fw_reporter,
-					     DEVLINK_HEALTH_REPORTER_STATE_HEALTHY);
+	if (pdsc->fw_reporter)
+		devlink_health_reporter_state_update(pdsc->fw_reporter,
+						     DEVLINK_HEALTH_REPORTER_STATE_HEALTHY);
 	pdsc_notify(PDS_EVENT_RESET, &reset_event);
 
 	return;
diff --git a/drivers/net/ethernet/amd/pds_core/dev.c b/drivers/net/ethernet/amd/pds_core/dev.c
index debe5216fe29..f77cd9f5a2fd 100644
--- a/drivers/net/ethernet/amd/pds_core/dev.c
+++ b/drivers/net/ethernet/amd/pds_core/dev.c
@@ -121,7 +121,7 @@ static const char *pdsc_devcmd_str(int opcode)
 	}
 }
 
-static int pdsc_devcmd_wait(struct pdsc *pdsc, int max_seconds)
+static int pdsc_devcmd_wait(struct pdsc *pdsc, u8 opcode, int max_seconds)
 {
 	struct device *dev = pdsc->dev;
 	unsigned long start_time;
@@ -131,9 +131,6 @@ static int pdsc_devcmd_wait(struct pdsc *pdsc, int max_seconds)
 	int done = 0;
 	int err = 0;
 	int status;
-	int opcode;
-
-	opcode = ioread8(&pdsc->cmd_regs->cmd.opcode);
 
 	start_time = jiffies;
 	max_wait = start_time + (max_seconds * HZ);
@@ -180,10 +177,10 @@ int pdsc_devcmd_locked(struct pdsc *pdsc, union pds_core_dev_cmd *cmd,
 
 	memcpy_toio(&pdsc->cmd_regs->cmd, cmd, sizeof(*cmd));
 	pdsc_devcmd_dbell(pdsc);
-	err = pdsc_devcmd_wait(pdsc, max_seconds);
+	err = pdsc_devcmd_wait(pdsc, cmd->opcode, max_seconds);
 	memcpy_fromio(comp, &pdsc->cmd_regs->comp, sizeof(*comp));
 
-	if (err == -ENXIO || err == -ETIMEDOUT)
+	if ((err == -ENXIO || err == -ETIMEDOUT) && pdsc->wq)
 		queue_work(pdsc->wq, &pdsc->health_work);
 
 	return err;
diff --git a/drivers/net/ethernet/amd/pds_core/devlink.c b/drivers/net/ethernet/amd/pds_core/devlink.c
index 9c6b3653c1c7..d9607033bbf2 100644
--- a/drivers/net/ethernet/amd/pds_core/devlink.c
+++ b/drivers/net/ethernet/amd/pds_core/devlink.c
@@ -10,6 +10,9 @@ pdsc_viftype *pdsc_dl_find_viftype_by_id(struct pdsc *pdsc,
 {
 	int vt;
 
+	if (!pdsc->viftype_status)
+		return NULL;
+
 	for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++) {
 		if (pdsc->viftype_status[vt].dl_id == dl_id)
 			return &pdsc->viftype_status[vt];
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index e388bffda2dd..14b311196b8f 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -17794,10 +17794,7 @@ static int tg3_init_one(struct pci_dev *pdev,
 		tnapi->tx_pending = TG3_DEF_TX_RING_PENDING;
 
 		tnapi->int_mbox = intmbx;
-		if (i <= 4)
-			intmbx += 0x8;
-		else
-			intmbx += 0x4;
+		intmbx += 0x8;
 
 		tnapi->consmbox = rcvmbx;
 		tnapi->prodmbox = sndmbx;
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
index 5a6ffa738396..f818dd215c05 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.c
@@ -131,6 +131,8 @@ static void ice_ptp_src_cmd(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd)
 	case READ_TIME:
 		cmd_val |= GLTSYN_CMD_READ_TIME;
 		break;
+	case ICE_PTP_NOP:
+		break;
 	}
 
 	wr32(hw, GLTSYN_CMD, cmd_val);
@@ -1226,18 +1228,18 @@ ice_ptp_read_port_capture(struct ice_hw *hw, u8 port, u64 *tx_ts, u64 *rx_ts)
 }
 
 /**
- * ice_ptp_one_port_cmd - Prepare a single PHY port for a timer command
+ * ice_ptp_write_port_cmd_e822 - Prepare a single PHY port for a timer command
  * @hw: pointer to HW struct
  * @port: Port to which cmd has to be sent
  * @cmd: Command to be sent to the port
  *
  * Prepare the requested port for an upcoming timer sync command.
  *
- * Note there is no equivalent of this operation on E810, as that device
- * always handles all external PHYs internally.
+ * Do not use this function directly. If you want to configure exactly one
+ * port, use ice_ptp_one_port_cmd() instead.
  */
 static int
-ice_ptp_one_port_cmd(struct ice_hw *hw, u8 port, enum ice_ptp_tmr_cmd cmd)
+ice_ptp_write_port_cmd_e822(struct ice_hw *hw, u8 port, enum ice_ptp_tmr_cmd cmd)
 {
 	u32 cmd_val, val;
 	u8 tmr_idx;
@@ -1261,6 +1263,8 @@ ice_ptp_one_port_cmd(struct ice_hw *hw, u8 port, enum ice_ptp_tmr_cmd cmd)
 	case ADJ_TIME_AT_TIME:
 		cmd_val |= PHY_CMD_ADJ_TIME_AT_TIME;
 		break;
+	case ICE_PTP_NOP:
+		break;
 	}
 
 	/* Tx case */
@@ -1307,6 +1311,39 @@ ice_ptp_one_port_cmd(struct ice_hw *hw, u8 port, enum ice_ptp_tmr_cmd cmd)
 }
 
 /**
+ * ice_ptp_one_port_cmd - Prepare one port for a timer command
+ * @hw: pointer to the HW struct
+ * @configured_port: the port to configure with configured_cmd
+ * @configured_cmd: timer command to prepare on the configured_port
+ *
+ * Prepare the configured_port for the configured_cmd, and prepare all other
+ * ports for ICE_PTP_NOP. This causes the configured_port to execute the
+ * desired command while all other ports perform no operation.
+ */
+static int
+ice_ptp_one_port_cmd(struct ice_hw *hw, u8 configured_port,
+		     enum ice_ptp_tmr_cmd configured_cmd)
+{
+	u8 port;
+
+	for (port = 0; port < ICE_NUM_EXTERNAL_PORTS; port++) {
+		enum ice_ptp_tmr_cmd cmd;
+		int err;
+
+		if (port == configured_port)
+			cmd = configured_cmd;
+		else
+			cmd = ICE_PTP_NOP;
+
+		err = ice_ptp_write_port_cmd_e822(hw, port, cmd);
+		if (err)
+			return err;
+	}
+
+	return 0;
+}
+
+/**
  * ice_ptp_port_cmd_e822 - Prepare all ports for a timer command
  * @hw: pointer to the HW struct
  * @cmd: timer command to prepare
@@ -1322,7 +1359,7 @@ ice_ptp_port_cmd_e822(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd)
 	for (port = 0; port < ICE_NUM_EXTERNAL_PORTS; port++) {
 		int err;
 
-		err = ice_ptp_one_port_cmd(hw, port, cmd);
+		err = ice_ptp_write_port_cmd_e822(hw, port, cmd);
 		if (err)
 			return err;
 	}
@@ -2252,6 +2289,9 @@ static int ice_sync_phy_timer_e822(struct ice_hw *hw, u8 port)
 	if (err)
 		goto err_unlock;
 
+	/* Do not perform any action on the main timer */
+	ice_ptp_src_cmd(hw, ICE_PTP_NOP);
+
 	/* Issue the sync to activate the time adjustment */
 	ice_ptp_exec_tmr_cmd(hw);
 
@@ -2372,6 +2412,9 @@ int ice_start_phy_timer_e822(struct ice_hw *hw, u8 port)
 	if (err)
 		return err;
 
+	/* Do not perform any action on the main timer */
+	ice_ptp_src_cmd(hw, ICE_PTP_NOP);
+
 	ice_ptp_exec_tmr_cmd(hw);
 
 	err = ice_read_phy_reg_e822(hw, port, P_REG_PS, &val);
@@ -2847,6 +2890,8 @@ static int ice_ptp_port_cmd_e810(struct ice_hw *hw, enum ice_ptp_tmr_cmd cmd)
 	case ADJ_TIME_AT_TIME:
 		cmd_val = GLTSYN_CMD_ADJ_INIT_TIME;
 		break;
+	case ICE_PTP_NOP:
+		return 0;
 	}
 
 	/* Read, modify, write */
diff --git a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
index 13547707b8e3..9aa10b0426fd 100644
--- a/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
+++ b/drivers/net/ethernet/intel/ice/ice_ptp_hw.h
@@ -9,7 +9,8 @@ enum ice_ptp_tmr_cmd {
 	INIT_INCVAL,
 	ADJ_TIME,
 	ADJ_TIME_AT_TIME,
-	READ_TIME
+	READ_TIME,
+	ICE_PTP_NOP,
 };
 
 enum ice_ptp_serdes {
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 9f63a10c6f80..1ab787ed254d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -4814,6 +4814,10 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
 static void igb_set_rx_buffer_len(struct igb_adapter *adapter,
 				  struct igb_ring *rx_ring)
 {
+#if (PAGE_SIZE < 8192)
+	struct e1000_hw *hw = &adapter->hw;
+#endif
+
 	/* set build_skb and buffer size flags */
 	clear_ring_build_skb_enabled(rx_ring);
 	clear_ring_uses_large_buffer(rx_ring);
@@ -4824,10 +4828,9 @@ static void igb_set_rx_buffer_len(struct igb_adapter *adapter,
 	set_ring_build_skb_enabled(rx_ring);
 
 #if (PAGE_SIZE < 8192)
-	if (adapter->max_frame_size <= IGB_MAX_FRAME_BUILD_SKB)
-		return;
-
-	set_ring_uses_large_buffer(rx_ring);
+	if (adapter->max_frame_size > IGB_MAX_FRAME_BUILD_SKB ||
+	    rd32(E1000_RCTL) & E1000_RCTL_SBP)
+		set_ring_uses_large_buffer(rx_ring);
 #endif
 }
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
index b4fcb20c3f4f..af21e2030cff 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c
@@ -355,8 +355,8 @@ int rpm_lmac_enadis_pause_frm(void *rpmd, int lmac_id, u8 tx_pause,
 
 void rpm_lmac_pause_frm_config(void *rpmd, int lmac_id, bool enable)
 {
+	u64 cfg, pfc_class_mask_cfg;
 	rpm_t *rpm = rpmd;
-	u64 cfg;
 
 	/* ALL pause frames received are completely ignored */
 	cfg = rpm_read(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG);
@@ -380,9 +380,11 @@ void rpm_lmac_pause_frm_config(void *rpmd, int lmac_id, bool enable)
 		rpm_write(rpm, 0, RPMX_CMR_CHAN_MSK_OR, ~0ULL);
 
 	/* Disable all PFC classes */
-	cfg = rpm_read(rpm, lmac_id, RPMX_CMRX_PRT_CBFC_CTL);
+	pfc_class_mask_cfg = is_dev_rpm2(rpm) ? RPM2_CMRX_PRT_CBFC_CTL :
+						RPMX_CMRX_PRT_CBFC_CTL;
+	cfg = rpm_read(rpm, lmac_id, pfc_class_mask_cfg);
 	cfg = FIELD_SET(RPM_PFC_CLASS_MASK, 0, cfg);
-	rpm_write(rpm, lmac_id, RPMX_CMRX_PRT_CBFC_CTL, cfg);
+	rpm_write(rpm, lmac_id, pfc_class_mask_cfg, cfg);
 }
 
 int rpm_get_rx_stats(void *rpmd, int lmac_id, int idx, u64 *rx_stat)
@@ -605,8 +607,11 @@ int rpm_lmac_pfc_config(void *rpmd, int lmac_id, u8 tx_pause, u8 rx_pause, u16 p
 	if (!is_lmac_valid(rpm, lmac_id))
 		return -ENODEV;
 
+	pfc_class_mask_cfg = is_dev_rpm2(rpm) ? RPM2_CMRX_PRT_CBFC_CTL :
+						RPMX_CMRX_PRT_CBFC_CTL;
+
 	cfg = rpm_read(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG);
-	class_en = rpm_read(rpm, lmac_id, RPMX_CMRX_PRT_CBFC_CTL);
+	class_en = rpm_read(rpm, lmac_id, pfc_class_mask_cfg);
 	pfc_en |= FIELD_GET(RPM_PFC_CLASS_MASK, class_en);
 
 	if (rx_pause) {
@@ -635,10 +640,6 @@ int rpm_lmac_pfc_config(void *rpmd, int lmac_id, u8 tx_pause, u8 rx_pause, u16 p
 		cfg |= RPMX_MTI_MAC100X_COMMAND_CONFIG_PFC_MODE;
 
 	rpm_write(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG, cfg);
-
-	pfc_class_mask_cfg = is_dev_rpm2(rpm) ? RPM2_CMRX_PRT_CBFC_CTL :
-						RPMX_CMRX_PRT_CBFC_CTL;
-
 	rpm_write(rpm, lmac_id, pfc_class_mask_cfg, class_en);
 
 	return 0;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index dce3cea00032..8511906cb4e2 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -806,6 +806,7 @@ void otx2_txschq_free_one(struct otx2_nic *pfvf, u16 lvl, u16 schq)
 
 	mutex_unlock(&pfvf->mbox.lock);
 }
+EXPORT_SYMBOL(otx2_txschq_free_one);
 
 void otx2_txschq_stop(struct otx2_nic *pfvf)
 {
@@ -1434,7 +1435,7 @@ int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id,
 	}
 
 	pp_params.flags = PP_FLAG_PAGE_FRAG | PP_FLAG_DMA_MAP;
-	pp_params.pool_size = numptrs;
+	pp_params.pool_size = min(OTX2_PAGE_POOL_SZ, numptrs);
 	pp_params.nid = NUMA_NO_NODE;
 	pp_params.dev = pfvf->dev;
 	pp_params.dma_dir = DMA_FROM_DEVICE;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c
index ccaf97bb1ce0..bfddbff7bcdf 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c
@@ -70,7 +70,7 @@ static int otx2_pfc_txschq_alloc_one(struct otx2_nic *pfvf, u8 prio)
 	 * link config level. These rest of the scheduler can be
 	 * same as hw.txschq_list.
 	 */
-	for (lvl = 0; lvl < pfvf->hw.txschq_link_cfg_lvl; lvl++)
+	for (lvl = 0; lvl <= pfvf->hw.txschq_link_cfg_lvl; lvl++)
 		req->schq[lvl] = 1;
 
 	rc = otx2_sync_mbox_msg(&pfvf->mbox);
@@ -83,7 +83,7 @@ static int otx2_pfc_txschq_alloc_one(struct otx2_nic *pfvf, u8 prio)
 		return PTR_ERR(rsp);
 
 	/* Setup transmit scheduler list */
-	for (lvl = 0; lvl < pfvf->hw.txschq_link_cfg_lvl; lvl++) {
+	for (lvl = 0; lvl <= pfvf->hw.txschq_link_cfg_lvl; lvl++) {
 		if (!rsp->schq[lvl])
 			return -ENOSPC;
 
@@ -125,19 +125,12 @@ int otx2_pfc_txschq_alloc(struct otx2_nic *pfvf)
 
 static int otx2_pfc_txschq_stop_one(struct otx2_nic *pfvf, u8 prio)
 {
-	struct nix_txsch_free_req *free_req;
+	int lvl;
 
-	mutex_lock(&pfvf->mbox.lock);
 	/* free PFC TLx nodes */
-	free_req = otx2_mbox_alloc_msg_nix_txsch_free(&pfvf->mbox);
-	if (!free_req) {
-		mutex_unlock(&pfvf->mbox.lock);
-		return -ENOMEM;
-	}
-
-	free_req->flags = TXSCHQ_FREE_ALL;
-	otx2_sync_mbox_msg(&pfvf->mbox);
-	mutex_unlock(&pfvf->mbox.lock);
+	for (lvl = 0; lvl <= pfvf->hw.txschq_link_cfg_lvl; lvl++)
+		otx2_txschq_free_one(pfvf, lvl,
+				     pfvf->pfc_schq_list[lvl][prio]);
 
 	pfvf->pfc_alloc_status[prio] = false;
 	return 0;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
index b5d689eeff80..9e3bfbe5c480 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.h
@@ -23,6 +23,8 @@
 #define	OTX2_ETH_HLEN		(VLAN_ETH_HLEN + VLAN_HLEN)
 #define	OTX2_MIN_MTU		60
 
+#define OTX2_PAGE_POOL_SZ	2048
+
 #define OTX2_MAX_GSO_SEGS	255
 #define OTX2_MAX_FRAGS_IN_SQE	9
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
index 377372f0578a..aa29f09e8356 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c
@@ -32,6 +32,7 @@
 
 #include <linux/clocksource.h>
 #include <linux/highmem.h>
+#include <linux/log2.h>
 #include <linux/ptp_clock_kernel.h>
 #include <rdma/mlx5-abi.h>
 #include "lib/eq.h"
@@ -39,10 +40,6 @@
 #include "clock.h"
 
 enum {
-	MLX5_CYCLES_SHIFT	= 31
-};
-
-enum {
 	MLX5_PIN_MODE_IN		= 0x0,
 	MLX5_PIN_MODE_OUT		= 0x1,
 };
@@ -93,6 +90,31 @@ static bool mlx5_modify_mtutc_allowed(struct mlx5_core_dev *mdev)
 	return MLX5_CAP_MCAM_FEATURE(mdev, ptpcyc2realtime_modify);
 }
 
+static u32 mlx5_ptp_shift_constant(u32 dev_freq_khz)
+{
+	/* Optimal shift constant leads to corrections above just 1 scaled ppm.
+	 *
+	 * Two sets of equations are needed to derive the optimal shift
+	 * constant for the cyclecounter.
+	 *
+	 *    dev_freq_khz * 1000 / 2^shift_constant = 1 scaled_ppm
+	 *    ppb = scaled_ppm * 1000 / 2^16
+	 *
+	 * Using the two equations together
+	 *
+	 *    dev_freq_khz * 1000 / 1 scaled_ppm = 2^shift_constant
+	 *    dev_freq_khz * 2^16 / 1 ppb = 2^shift_constant
+	 *    dev_freq_khz = 2^(shift_constant - 16)
+	 *
+	 * then yields
+	 *
+	 *    shift_constant = ilog2(dev_freq_khz) + 16
+	 */
+
+	return min(ilog2(dev_freq_khz) + 16,
+		   ilog2((U32_MAX / NSEC_PER_MSEC) * dev_freq_khz));
+}
+
 static s32 mlx5_ptp_getmaxphase(struct ptp_clock_info *ptp)
 {
 	struct mlx5_clock *clock = container_of(ptp, struct mlx5_clock, ptp_info);
@@ -909,7 +931,7 @@ static void mlx5_timecounter_init(struct mlx5_core_dev *mdev)
 
 	dev_freq = MLX5_CAP_GEN(mdev, device_frequency_khz);
 	timer->cycles.read = read_internal_timer;
-	timer->cycles.shift = MLX5_CYCLES_SHIFT;
+	timer->cycles.shift = mlx5_ptp_shift_constant(dev_freq);
 	timer->cycles.mult = clocksource_khz2mult(dev_freq,
 						  timer->cycles.shift);
 	timer->nominal_c_mult = timer->cycles.mult;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c b/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c
index 70735068cf29..0fd290d776ff 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_hwmon.c
@@ -405,7 +405,8 @@ mlxsw_hwmon_module_temp_label_show(struct device *dev,
 			container_of(attr, struct mlxsw_hwmon_attr, dev_attr);
 
 	return sprintf(buf, "front panel %03u\n",
-		       mlxsw_hwmon_attr->type_index);
+		       mlxsw_hwmon_attr->type_index + 1 -
+		       mlxsw_hwmon_attr->mlxsw_hwmon_dev->sensor_count);
 }
 
 static ssize_t
diff --git a/drivers/net/ethernet/mellanox/mlxsw/i2c.c b/drivers/net/ethernet/mellanox/mlxsw/i2c.c
index 41298835a11e..d23f293e285c 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/i2c.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/i2c.c
@@ -48,6 +48,7 @@
 #define MLXSW_I2C_MBOX_SIZE_BITS	12
 #define MLXSW_I2C_ADDR_BUF_SIZE		4
 #define MLXSW_I2C_BLK_DEF		32
+#define MLXSW_I2C_BLK_MAX		100
 #define MLXSW_I2C_RETRY			5
 #define MLXSW_I2C_TIMEOUT_MSECS		5000
 #define MLXSW_I2C_MAX_DATA_SIZE		256
@@ -444,7 +445,7 @@ mlxsw_i2c_cmd(struct device *dev, u16 opcode, u32 in_mod, size_t in_mbox_size,
 	} else {
 		/* No input mailbox is case of initialization query command. */
 		reg_size = MLXSW_I2C_MAX_DATA_SIZE;
-		num = reg_size / mlxsw_i2c->block_size;
+		num = DIV_ROUND_UP(reg_size, mlxsw_i2c->block_size);
 
 		if (mutex_lock_interruptible(&mlxsw_i2c->cmd.lock) < 0) {
 			dev_err(&client->dev, "Could not acquire lock");
@@ -653,7 +654,7 @@ static int mlxsw_i2c_probe(struct i2c_client *client)
 			return -EOPNOTSUPP;
 		}
 
-		mlxsw_i2c->block_size = max_t(u16, MLXSW_I2C_BLK_DEF,
+		mlxsw_i2c->block_size = min_t(u16, MLXSW_I2C_BLK_MAX,
 					      min_t(u16, quirks->max_read_len,
 						    quirks->max_write_len));
 	} else {
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 5eb50b265c0b..6351a2dc13bc 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5239,13 +5239,9 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	/* Disable ASPM L1 as that cause random device stop working
 	 * problems as well as full system hangs for some PCIe devices users.
-	 * Chips from RTL8168h partially have issues with L1.2, but seem
-	 * to work fine with L1 and L1.1.
 	 */
 	if (rtl_aspm_is_safe(tp))
 		rc = 0;
-	else if (tp->mac_version >= RTL_GIGA_MAC_VER_46)
-		rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
 	else
 		rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1);
 	tp->aspm_manageable = !rc;
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index 3eab1802f6b0..f54200f03e15 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -1359,7 +1359,9 @@ static int efx_ptp_insert_multicast_filters(struct efx_nic *efx)
 			goto fail;
 
 		rc = efx_ptp_insert_eth_multicast_filter(efx);
-		if (rc < 0)
+
+		/* Not all firmware variants support this filter */
+		if (rc < 0 && rc != -EPROTONOSUPPORT)
 			goto fail;
 	}
 
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index 1ed52441972f..10a1e81434cb 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -53,6 +53,10 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
 	case ARPHRD_NONE:
 	case ARPHRD_RAWIP:
 	case ARPHRD_PIMREG:
+	/* PPP adds its l2 header automatically in ppp_start_xmit().
+	 * This makes it look like an l3 device to __bpf_redirect() and tcf_mirred_init().
+	 */
+	case ARPHRD_PPP:
 		return false;
 	default:
 		return true;
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 1591b061105a..8f56e8723c73 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -254,12 +254,17 @@ static int dccp_v4_err(struct sk_buff *skb, u32 info)
 	int err;
 	struct net *net = dev_net(skb->dev);
 
-	/* Only need dccph_dport & dccph_sport which are the first
-	 * 4 bytes in dccp header.
+	/* For the first __dccp_basic_hdr_len() check, we only need dh->dccph_x,
+	 * which is in byte 7 of the dccp header.
 	 * Our caller (icmp_socket_deliver()) already pulled 8 bytes for us.
+	 *
+	 * Later on, we want to access the sequence number fields, which are
+	 * beyond 8 bytes, so we have to pskb_may_pull() ourselves.
 	 */
-	BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_sport) > 8);
-	BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_dport) > 8);
+	dh = (struct dccp_hdr *)(skb->data + offset);
+	if (!pskb_may_pull(skb, offset + __dccp_basic_hdr_len(dh)))
+		return -EINVAL;
+	iph = (struct iphdr *)skb->data;
 	dh = (struct dccp_hdr *)(skb->data + offset);
 
 	sk = __inet_lookup_established(net, &dccp_hashinfo,
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 686090bc5945..33f6ccf6ba77 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -74,7 +74,7 @@ static inline __u64 dccp_v6_init_sequence(struct sk_buff *skb)
 static int dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 			u8 type, u8 code, int offset, __be32 info)
 {
-	const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
+	const struct ipv6hdr *hdr;
 	const struct dccp_hdr *dh;
 	struct dccp_sock *dp;
 	struct ipv6_pinfo *np;
@@ -83,12 +83,17 @@ static int dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	__u64 seq;
 	struct net *net = dev_net(skb->dev);
 
-	/* Only need dccph_dport & dccph_sport which are the first
-	 * 4 bytes in dccp header.
+	/* For the first __dccp_basic_hdr_len() check, we only need dh->dccph_x,
+	 * which is in byte 7 of the dccp header.
 	 * Our caller (icmpv6_notify()) already pulled 8 bytes for us.
+	 *
+	 * Later on, we want to access the sequence number fields, which are
+	 * beyond 8 bytes, so we have to pskb_may_pull() ourselves.
 	 */
-	BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_sport) > 8);
-	BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_dport) > 8);
+	dh = (struct dccp_hdr *)(skb->data + offset);
+	if (!pskb_may_pull(skb, offset + __dccp_basic_hdr_len(dh)))
+		return -EINVAL;
+	hdr = (const struct ipv6hdr *)skb->data;
 	dh = (struct dccp_hdr *)(skb->data + offset);
 
 	sk = __inet6_lookup_established(net, &dccp_hashinfo,
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index eb8ccbd58df7..96e91ab71573 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -660,6 +660,11 @@ static int nr_connect(struct socket *sock, struct sockaddr *uaddr,
 		goto out_release;
 	}
 
+	if (sock->state == SS_CONNECTING) {
+		err = -EALREADY;
+		goto out_release;
+	}
+
 	sk->sk_state   = TCP_CLOSE;
 	sock->state = SS_UNCONNECTED;
 
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 98805303218d..3554085bc2be 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1011,6 +1011,10 @@ hfsc_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
 		if (parent == NULL)
 			return -ENOENT;
 	}
+	if (!(parent->cl_flags & HFSC_FSC) && parent != &q->root) {
+		NL_SET_ERR_MSG(extack, "Invalid parent - parent class must have FSC");
+		return -EINVAL;
+	}
 
 	if (classid == 0 || TC_H_MAJ(classid ^ sch->handle) != 0)
 		return -EINVAL;