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

Signed-off-by: NipaLocal <nipa@local>
linux-netdev · Apr 24, 2024 · 3b3a91a · 3b3a91a
2 parents 9dd15d5 + 5b5f724
commit 3b3a91a
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diff --git a/.mailmap b/.mailmap
@@ -38,6 +38,16 @@ Alexei Starovoitov <ast@kernel.org> <alexei.starovoitov@gmail.com>
 Alexei Starovoitov <ast@kernel.org> <ast@fb.com>
 Alexei Starovoitov <ast@kernel.org> <ast@plumgrid.com>
 Alexey Makhalov <alexey.amakhalov@broadcom.com> <amakhalov@vmware.com>
+Alex Elder <elder@kernel.org>
+Alex Elder <elder@kernel.org> <aelder@sgi.com>
+Alex Elder <elder@kernel.org> <alex.elder@linaro.org>
+Alex Elder <elder@kernel.org> <alex.elder@linary.org>
+Alex Elder <elder@kernel.org> <elder@dreamhost.com>
+Alex Elder <elder@kernel.org> <elder@dreawmhost.com>
+Alex Elder <elder@kernel.org> <elder@ieee.org>
+Alex Elder <elder@kernel.org> <elder@inktank.com>
+Alex Elder <elder@kernel.org> <elder@linaro.org>
+Alex Elder <elder@kernel.org> <elder@newdream.net>
 Alex Hung <alexhung@gmail.com> <alex.hung@canonical.com>
 Alex Shi <alexs@kernel.org> <alex.shi@intel.com>
 Alex Shi <alexs@kernel.org> <alex.shi@linaro.org>

diff --git a/MAINTAINERS b/MAINTAINERS
@@ -7829,9 +7829,8 @@ W:	http://aeschi.ch.eu.org/efs/
 F:	fs/efs/
 
 EHEA (IBM pSeries eHEA 10Gb ethernet adapter) DRIVER
-M:	Douglas Miller <dougmill@linux.ibm.com>
 L:	netdev@vger.kernel.org
-S:	Maintained
+S:	Orphan
 F:	drivers/net/ethernet/ibm/ehea/
 
 ELM327 CAN NETWORK DRIVER

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -566,13 +566,61 @@ static void mv88e6xxx_translate_cmode(u8 cmode, unsigned long *supported)
 		phy_interface_set_rgmii(supported);
 }
 
-static void mv88e6250_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
-				       struct phylink_config *config)
+static void
+mv88e6250_setup_supported_interfaces(struct mv88e6xxx_chip *chip, int port,
+				     struct phylink_config *config)
 {
 	unsigned long *supported = config->supported_interfaces;
+	int err;
+	u16 reg;
 
-	/* Translate the default cmode */
-	mv88e6xxx_translate_cmode(chip->ports[port].cmode, supported);
+	err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_STS, &reg);
+	if (err) {
+		dev_err(chip->dev, "p%d: failed to read port status\n", port);
+		return;
+	}
+
+	switch (reg & MV88E6250_PORT_STS_PORTMODE_MASK) {
+	case MV88E6250_PORT_STS_PORTMODE_MII_10_HALF_PHY:
+	case MV88E6250_PORT_STS_PORTMODE_MII_100_HALF_PHY:
+	case MV88E6250_PORT_STS_PORTMODE_MII_10_FULL_PHY:
+	case MV88E6250_PORT_STS_PORTMODE_MII_100_FULL_PHY:
+		__set_bit(PHY_INTERFACE_MODE_REVMII, supported);
+		break;
+
+	case MV88E6250_PORT_STS_PORTMODE_MII_HALF:
+	case MV88E6250_PORT_STS_PORTMODE_MII_FULL:
+		__set_bit(PHY_INTERFACE_MODE_MII, supported);
+		break;
+
+	case MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL_PHY:
+	case MV88E6250_PORT_STS_PORTMODE_MII_200_RMII_FULL_PHY:
+	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_HALF_PHY:
+	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL_PHY:
+		__set_bit(PHY_INTERFACE_MODE_REVRMII, supported);
+		break;
+
+	case MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL:
+	case MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL:
+		__set_bit(PHY_INTERFACE_MODE_RMII, supported);
+		break;
+
+	case MV88E6250_PORT_STS_PORTMODE_MII_100_RGMII:
+		__set_bit(PHY_INTERFACE_MODE_RGMII, supported);
+		break;
+
+	default:
+		dev_err(chip->dev,
+			"p%d: invalid port mode in status register: %04x\n",
+			port, reg);
+	}
+}
+
+static void mv88e6250_phylink_get_caps(struct mv88e6xxx_chip *chip, int port,
+				       struct phylink_config *config)
+{
+	if (!mv88e6xxx_phy_is_internal(chip, port))
+		mv88e6250_setup_supported_interfaces(chip, port, config);
 
 	config->mac_capabilities = MAC_SYM_PAUSE | MAC_10 | MAC_100;
 }

diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
@@ -25,10 +25,25 @@
 #define MV88E6250_PORT_STS_PORTMODE_PHY_100_HALF	0x0900
 #define MV88E6250_PORT_STS_PORTMODE_PHY_10_FULL		0x0a00
 #define MV88E6250_PORT_STS_PORTMODE_PHY_100_FULL	0x0b00
-#define MV88E6250_PORT_STS_PORTMODE_MII_10_HALF		0x0c00
-#define MV88E6250_PORT_STS_PORTMODE_MII_100_HALF	0x0d00
-#define MV88E6250_PORT_STS_PORTMODE_MII_10_FULL		0x0e00
-#define MV88E6250_PORT_STS_PORTMODE_MII_100_FULL	0x0f00
+/* - Modes with PHY suffix use output instead of input clock
+ * - Modes without RMII or RGMII use MII
+ * - Modes without speed do not have a fixed speed specified in the manual
+ *   ("DC to x MHz" - variable clock support?)
+ */
+#define MV88E6250_PORT_STS_PORTMODE_MII_DISABLED		0x0000
+#define MV88E6250_PORT_STS_PORTMODE_MII_100_RGMII		0x0100
+#define MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL_PHY	0x0200
+#define MV88E6250_PORT_STS_PORTMODE_MII_200_RMII_FULL_PHY	0x0400
+#define MV88E6250_PORT_STS_PORTMODE_MII_DUAL_100_RMII_FULL	0x0600
+#define MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL	0x0700
+#define MV88E6250_PORT_STS_PORTMODE_MII_HALF			0x0800
+#define MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_HALF_PHY	0x0900
+#define MV88E6250_PORT_STS_PORTMODE_MII_FULL			0x0a00
+#define MV88E6250_PORT_STS_PORTMODE_MII_10_100_RMII_FULL_PHY	0x0b00
+#define MV88E6250_PORT_STS_PORTMODE_MII_10_HALF_PHY		0x0c00
+#define MV88E6250_PORT_STS_PORTMODE_MII_100_HALF_PHY		0x0d00
+#define MV88E6250_PORT_STS_PORTMODE_MII_10_FULL_PHY		0x0e00
+#define MV88E6250_PORT_STS_PORTMODE_MII_100_FULL_PHY		0x0f00
 #define MV88E6XXX_PORT_STS_LINK			0x0800
 #define MV88E6XXX_PORT_STS_DUPLEX		0x0400
 #define MV88E6XXX_PORT_STS_SPEED_MASK		0x0300

diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c b/drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c
@@ -436,10 +436,8 @@ static void umac_init(struct bcmasp_intf *intf)
 	umac_wl(intf, 0x800, UMC_RX_MAX_PKT_SZ);
 }
 
-static int bcmasp_tx_poll(struct napi_struct *napi, int budget)
+static int bcmasp_tx_reclaim(struct bcmasp_intf *intf)
 {
-	struct bcmasp_intf *intf =
-		container_of(napi, struct bcmasp_intf, tx_napi);
 	struct bcmasp_intf_stats64 *stats = &intf->stats64;
 	struct device *kdev = &intf->parent->pdev->dev;
 	unsigned long read, released = 0;
@@ -482,10 +480,16 @@ static int bcmasp_tx_poll(struct napi_struct *napi, int budget)
 							DESC_RING_COUNT);
 	}
 
-	/* Ensure all descriptors have been written to DRAM for the hardware
-	 * to see updated contents.
-	 */
-	wmb();
+	return released;
+}
+
+static int bcmasp_tx_poll(struct napi_struct *napi, int budget)
+{
+	struct bcmasp_intf *intf =
+		container_of(napi, struct bcmasp_intf, tx_napi);
+	int released = 0;
+
+	released = bcmasp_tx_reclaim(intf);
 
 	napi_complete(&intf->tx_napi);
 
@@ -797,6 +801,7 @@ static void bcmasp_init_tx(struct bcmasp_intf *intf)
 	intf->tx_spb_dma_read = intf->tx_spb_dma_addr;
 	intf->tx_spb_index = 0;
 	intf->tx_spb_clean_index = 0;
+	memset(intf->tx_cbs, 0, sizeof(struct bcmasp_tx_cb) * DESC_RING_COUNT);
 
 	/* Make sure channels are disabled */
 	tx_spb_ctrl_wl(intf, 0x0, TX_SPB_CTRL_ENABLE);
@@ -885,6 +890,8 @@ static void bcmasp_netif_deinit(struct net_device *dev)
 	} while (timeout-- > 0);
 	tx_spb_dma_wl(intf, 0x0, TX_SPB_DMA_FIFO_CTRL);
 
+	bcmasp_tx_reclaim(intf);
+
 	umac_enable_set(intf, UMC_CMD_TX_EN, 0);
 
 	phy_stop(dev->phydev);

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -9165,7 +9165,7 @@ static void bnxt_try_map_fw_health_reg(struct bnxt *bp)
 					     BNXT_FW_HEALTH_WIN_BASE +
 					     BNXT_GRC_REG_CHIP_NUM);
 		}
-		if (!BNXT_CHIP_P5(bp))
+		if (!BNXT_CHIP_P5_PLUS(bp))
 			return;
 
 		status_loc = BNXT_GRC_REG_STATUS_P5 |
@@ -13267,6 +13267,16 @@ static void bnxt_rx_ring_reset(struct bnxt *bp)
 	bnxt_rtnl_unlock_sp(bp);
 }
 
+static void bnxt_fw_fatal_close(struct bnxt *bp)
+{
+	bnxt_tx_disable(bp);
+	bnxt_disable_napi(bp);
+	bnxt_disable_int_sync(bp);
+	bnxt_free_irq(bp);
+	bnxt_clear_int_mode(bp);
+	pci_disable_device(bp->pdev);
+}
+
 static void bnxt_fw_reset_close(struct bnxt *bp)
 {
 	bnxt_ulp_stop(bp);
@@ -13280,12 +13290,7 @@ static void bnxt_fw_reset_close(struct bnxt *bp)
 		pci_read_config_word(bp->pdev, PCI_SUBSYSTEM_ID, &val);
 		if (val == 0xffff)
 			bp->fw_reset_min_dsecs = 0;
-		bnxt_tx_disable(bp);
-		bnxt_disable_napi(bp);
-		bnxt_disable_int_sync(bp);
-		bnxt_free_irq(bp);
-		bnxt_clear_int_mode(bp);
-		pci_disable_device(bp->pdev);
+		bnxt_fw_fatal_close(bp);
 	}
 	__bnxt_close_nic(bp, true, false);
 	bnxt_vf_reps_free(bp);
@@ -15623,6 +15628,7 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct bnxt *bp = netdev_priv(netdev);
+	bool abort = false;
 
 	netdev_info(netdev, "PCI I/O error detected\n");
 
@@ -15631,16 +15637,27 @@ static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
 
 	bnxt_ulp_stop(bp);
 
-	if (state == pci_channel_io_perm_failure) {
+	if (test_and_set_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) {
+		netdev_err(bp->dev, "Firmware reset already in progress\n");
+		abort = true;
+	}
+
+	if (abort || state == pci_channel_io_perm_failure) {
 		rtnl_unlock();
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
 
-	if (state == pci_channel_io_frozen)
+	/* Link is not reliable anymore if state is pci_channel_io_frozen
+	 * so we disable bus master to prevent any potential bad DMAs before
+	 * freeing kernel memory.
+	 */
+	if (state == pci_channel_io_frozen) {
 		set_bit(BNXT_STATE_PCI_CHANNEL_IO_FROZEN, &bp->state);
+		bnxt_fw_fatal_close(bp);
+	}
 
 	if (netif_running(netdev))
-		bnxt_close(netdev);
+		__bnxt_close_nic(bp, true, true);
 
 	if (pci_is_enabled(pdev))
 		pci_disable_device(pdev);
@@ -15728,6 +15745,7 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
 	}
 
 reset_exit:
+	clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state);
 	bnxt_clear_reservations(bp, true);
 	rtnl_unlock();
 

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -849,7 +849,7 @@ static void mlxsw_emad_rx_listener_func(struct sk_buff *skb, u16 local_port,
 
 static const struct mlxsw_listener mlxsw_emad_rx_listener =
 	MLXSW_RXL(mlxsw_emad_rx_listener_func, ETHEMAD, TRAP_TO_CPU, false,
-		  EMAD, DISCARD);
+		  EMAD, FORWARD);
 
 static int mlxsw_emad_tlv_enable(struct mlxsw_core *mlxsw_core)
 {

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_env.c b/drivers/net/ethernet/mellanox/mlxsw/core_env.c
@@ -1357,24 +1357,20 @@ static struct mlxsw_linecards_event_ops mlxsw_env_event_ops = {
 	.got_inactive = mlxsw_env_got_inactive,
 };
 
-static int mlxsw_env_max_module_eeprom_len_query(struct mlxsw_env *mlxsw_env)
+static void mlxsw_env_max_module_eeprom_len_query(struct mlxsw_env *mlxsw_env)
 {
 	char mcam_pl[MLXSW_REG_MCAM_LEN];
-	bool mcia_128b_supported;
+	bool mcia_128b_supported = false;
 	int err;
 
 	mlxsw_reg_mcam_pack(mcam_pl,
 			    MLXSW_REG_MCAM_FEATURE_GROUP_ENHANCED_FEATURES);
 	err = mlxsw_reg_query(mlxsw_env->core, MLXSW_REG(mcam), mcam_pl);
-	if (err)
-		return err;
-
-	mlxsw_reg_mcam_unpack(mcam_pl, MLXSW_REG_MCAM_MCIA_128B,
-			      &mcia_128b_supported);
+	if (!err)
+		mlxsw_reg_mcam_unpack(mcam_pl, MLXSW_REG_MCAM_MCIA_128B,
+				      &mcia_128b_supported);
 
 	mlxsw_env->max_eeprom_len = mcia_128b_supported ? 128 : 48;
-
-	return 0;
 }
 
 int mlxsw_env_init(struct mlxsw_core *mlxsw_core,
@@ -1445,15 +1441,11 @@ int mlxsw_env_init(struct mlxsw_core *mlxsw_core,
 	if (err)
 		goto err_type_set;
 
-	err = mlxsw_env_max_module_eeprom_len_query(env);
-	if (err)
-		goto err_eeprom_len_query;
-
+	mlxsw_env_max_module_eeprom_len_query(env);
 	env->line_cards[0]->active = true;
 
 	return 0;
 
-err_eeprom_len_query:
 err_type_set:
 	mlxsw_env_module_event_disable(env, 0);
 err_mlxsw_env_module_event_enable:

diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
@@ -1545,7 +1545,7 @@ mlxsw_pci_reset(struct mlxsw_pci *mlxsw_pci, const struct pci_device_id *id)
 {
 	struct pci_dev *pdev = mlxsw_pci->pdev;
 	char mcam_pl[MLXSW_REG_MCAM_LEN];
-	bool pci_reset_supported;
+	bool pci_reset_supported = false;
 	u32 sys_status;
 	int err;
 
@@ -1563,11 +1563,9 @@ mlxsw_pci_reset(struct mlxsw_pci *mlxsw_pci, const struct pci_device_id *id)
 	mlxsw_reg_mcam_pack(mcam_pl,
 			    MLXSW_REG_MCAM_FEATURE_GROUP_ENHANCED_FEATURES);
 	err = mlxsw_reg_query(mlxsw_pci->core, MLXSW_REG(mcam), mcam_pl);
-	if (err)
-		return err;
-
-	mlxsw_reg_mcam_unpack(mcam_pl, MLXSW_REG_MCAM_PCI_RESET,
-			      &pci_reset_supported);
+	if (!err)
+		mlxsw_reg_mcam_unpack(mcam_pl, MLXSW_REG_MCAM_PCI_RESET,
+				      &pci_reset_supported);
 
 	if (pci_reset_supported) {
 		pci_dbg(pdev, "Starting PCI reset flow\n");

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
@@ -1598,7 +1598,7 @@ static void wx_set_num_queues(struct wx *wx)
  */
 static int wx_acquire_msix_vectors(struct wx *wx)
 {
-	struct irq_affinity affd = {0, };
+	struct irq_affinity affd = { .pre_vectors = 1 };
 	int nvecs, i;
 
 	/* We start by asking for one vector per queue pair */

diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
@@ -1098,11 +1098,12 @@ static int gtp_newlink(struct net *src_net, struct net_device *dev,
 static void gtp_dellink(struct net_device *dev, struct list_head *head)
 {
 	struct gtp_dev *gtp = netdev_priv(dev);
+	struct hlist_node *next;
 	struct pdp_ctx *pctx;
 	int i;
 
 	for (i = 0; i < gtp->hash_size; i++)
-		hlist_for_each_entry_rcu(pctx, &gtp->tid_hash[i], hlist_tid)
+		hlist_for_each_entry_safe(pctx, next, &gtp->tid_hash[i], hlist_tid)
 			pdp_context_delete(pctx);
 
 	list_del_rcu(&gtp->list);