diff options
Diffstat (limited to 'drivers/net')
81 files changed, 831 insertions, 410 deletions
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index ed7212e61c54..51d47eda1c87 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4023,7 +4023,7 @@ static inline const void *bond_pull_data(struct sk_buff *skb, if (likely(n <= hlen)) return data; else if (skb && likely(pskb_may_pull(skb, n))) - return skb->head; + return skb->data; return NULL; } diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index 649453a3c858..f8cde9f9f554 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -190,7 +190,7 @@ config CAN_SLCAN config CAN_SUN4I tristate "Allwinner A10 CAN controller" - depends on MACH_SUN4I || MACH_SUN7I || RISCV || COMPILE_TEST + depends on MACH_SUN4I || MACH_SUN7I || (RISCV && ARCH_SUNXI) || COMPILE_TEST help Say Y here if you want to use CAN controller found on Allwinner A10/A20/D1 SoCs. diff --git a/drivers/net/can/flexcan/flexcan-core.c b/drivers/net/can/flexcan/flexcan-core.c index add39e922b89..d15f85a40c1e 100644 --- a/drivers/net/can/flexcan/flexcan-core.c +++ b/drivers/net/can/flexcan/flexcan-core.c @@ -348,7 +348,7 @@ static struct flexcan_devtype_data fsl_imx8mp_devtype_data = { static struct flexcan_devtype_data fsl_imx93_devtype_data = { .quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS | FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_USE_RX_MAILBOX | - FLEXCAN_QUIRK_BROKEN_PERR_STATE | FLEXCAN_QUIRK_AUTO_STOP_MODE | + FLEXCAN_QUIRK_BROKEN_PERR_STATE | FLEXCAN_QUIRK_SETUP_STOP_MODE_GPR | FLEXCAN_QUIRK_SUPPORT_FD | FLEXCAN_QUIRK_SUPPORT_ECC | FLEXCAN_QUIRK_SUPPORT_RX_MAILBOX | FLEXCAN_QUIRK_SUPPORT_RX_MAILBOX_RTR, @@ -544,11 +544,6 @@ static inline int flexcan_enter_stop_mode(struct flexcan_priv *priv) } else if (priv->devtype_data.quirks & FLEXCAN_QUIRK_SETUP_STOP_MODE_GPR) { regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr, 1 << priv->stm.req_bit, 1 << priv->stm.req_bit); - } else if (priv->devtype_data.quirks & FLEXCAN_QUIRK_AUTO_STOP_MODE) { - /* For the auto stop mode, software do nothing, hardware will cover - * all the operation automatically after system go into low power mode. - */ - return 0; } return flexcan_low_power_enter_ack(priv); @@ -574,12 +569,6 @@ static inline int flexcan_exit_stop_mode(struct flexcan_priv *priv) reg_mcr &= ~FLEXCAN_MCR_SLF_WAK; priv->write(reg_mcr, ®s->mcr); - /* For the auto stop mode, hardware will exist stop mode - * automatically after system go out of low power mode. - */ - if (priv->devtype_data.quirks & FLEXCAN_QUIRK_AUTO_STOP_MODE) - return 0; - return flexcan_low_power_exit_ack(priv); } @@ -1994,13 +1983,18 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev) ret = flexcan_setup_stop_mode_scfw(pdev); else if (priv->devtype_data.quirks & FLEXCAN_QUIRK_SETUP_STOP_MODE_GPR) ret = flexcan_setup_stop_mode_gpr(pdev); - else if (priv->devtype_data.quirks & FLEXCAN_QUIRK_AUTO_STOP_MODE) - ret = 0; else /* return 0 directly if doesn't support stop mode feature */ return 0; - if (ret) + /* If ret is -EINVAL, this means SoC claim to support stop mode, but + * dts file lack the stop mode property definition. For this case, + * directly return 0, this will skip the wakeup capable setting and + * will not block the driver probe. + */ + if (ret == -EINVAL) + return 0; + else if (ret) return ret; device_set_wakeup_capable(&pdev->dev, true); @@ -2320,16 +2314,8 @@ static int __maybe_unused flexcan_noirq_suspend(struct device *device) if (netif_running(dev)) { int err; - if (device_may_wakeup(device)) { + if (device_may_wakeup(device)) flexcan_enable_wakeup_irq(priv, true); - /* For auto stop mode, need to keep the clock on before - * system go into low power mode. After system go into - * low power mode, hardware will config the flexcan into - * stop mode, and gate off the clock automatically. - */ - if (priv->devtype_data.quirks & FLEXCAN_QUIRK_AUTO_STOP_MODE) - return 0; - } err = pm_runtime_force_suspend(device); if (err) @@ -2347,15 +2333,9 @@ static int __maybe_unused flexcan_noirq_resume(struct device *device) if (netif_running(dev)) { int err; - /* For the wakeup in auto stop mode, no need to gate on the - * clock here, hardware will do this automatically. - */ - if (!(device_may_wakeup(device) && - priv->devtype_data.quirks & FLEXCAN_QUIRK_AUTO_STOP_MODE)) { - err = pm_runtime_force_resume(device); - if (err) - return err; - } + err = pm_runtime_force_resume(device); + if (err) + return err; if (device_may_wakeup(device)) flexcan_enable_wakeup_irq(priv, false); diff --git a/drivers/net/can/flexcan/flexcan.h b/drivers/net/can/flexcan/flexcan.h index 91402977780b..025c3417031f 100644 --- a/drivers/net/can/flexcan/flexcan.h +++ b/drivers/net/can/flexcan/flexcan.h @@ -68,8 +68,6 @@ #define FLEXCAN_QUIRK_SUPPORT_RX_MAILBOX_RTR BIT(15) /* Device supports RX via FIFO */ #define FLEXCAN_QUIRK_SUPPORT_RX_FIFO BIT(16) -/* auto enter stop mode to support wakeup */ -#define FLEXCAN_QUIRK_AUTO_STOP_MODE BIT(17) struct flexcan_devtype_data { u32 quirks; /* quirks needed for different IP cores */ diff --git a/drivers/net/can/m_can/tcan4x5x-core.c b/drivers/net/can/m_can/tcan4x5x-core.c index 8a4143809d33..ae8c42f5debd 100644 --- a/drivers/net/can/m_can/tcan4x5x-core.c +++ b/drivers/net/can/m_can/tcan4x5x-core.c @@ -125,7 +125,7 @@ static const struct tcan4x5x_version_info tcan4x5x_versions[] = { }, [TCAN4553] = { .name = "4553", - .id2_register = 0x32353534, + .id2_register = 0x33353534, }, /* generic version with no id2_register at the end */ [TCAN4X5X] = { diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 0ada0e160e93..743c2eb62b87 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -392,7 +392,13 @@ static irqreturn_t sja1000_reset_interrupt(int irq, void *dev_id) struct net_device *dev = (struct net_device *)dev_id; netdev_dbg(dev, "performing a soft reset upon overrun\n"); - sja1000_start(dev); + + netif_tx_lock(dev); + + can_free_echo_skb(dev, 0, NULL); + sja1000_set_mode(dev, CAN_MODE_START); + + netif_tx_unlock(dev); return IRQ_HANDLED; } diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 72374b066f64..cd1f240c90f3 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -617,17 +617,16 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) dn = of_find_compatible_node(NULL, NULL, "brcm,unimac-mdio"); priv->master_mii_bus = of_mdio_find_bus(dn); if (!priv->master_mii_bus) { - of_node_put(dn); - return -EPROBE_DEFER; + err = -EPROBE_DEFER; + goto err_of_node_put; } - get_device(&priv->master_mii_bus->dev); priv->master_mii_dn = dn; priv->slave_mii_bus = mdiobus_alloc(); if (!priv->slave_mii_bus) { - of_node_put(dn); - return -ENOMEM; + err = -ENOMEM; + goto err_put_master_mii_bus_dev; } priv->slave_mii_bus->priv = priv; @@ -684,11 +683,17 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds) } err = mdiobus_register(priv->slave_mii_bus); - if (err && dn) { - mdiobus_free(priv->slave_mii_bus); - of_node_put(dn); - } + if (err && dn) + goto err_free_slave_mii_bus; + return 0; + +err_free_slave_mii_bus: + mdiobus_free(priv->slave_mii_bus); +err_put_master_mii_bus_dev: + put_device(&priv->master_mii_bus->dev); +err_of_node_put: + of_node_put(dn); return err; } @@ -696,6 +701,7 @@ static void bcm_sf2_mdio_unregister(struct bcm_sf2_priv *priv) { mdiobus_unregister(priv->slave_mii_bus); mdiobus_free(priv->slave_mii_bus); + put_device(&priv->master_mii_bus->dev); of_node_put(priv->master_mii_dn); } diff --git a/drivers/net/dsa/qca/qca8k-8xxx.c b/drivers/net/dsa/qca/qca8k-8xxx.c index de1dc22cf683..4ce68e655a63 100644 --- a/drivers/net/dsa/qca/qca8k-8xxx.c +++ b/drivers/net/dsa/qca/qca8k-8xxx.c @@ -505,8 +505,8 @@ qca8k_bulk_read(void *ctx, const void *reg_buf, size_t reg_len, void *val_buf, size_t val_len) { int i, count = val_len / sizeof(u32), ret; - u32 reg = *(u32 *)reg_buf & U16_MAX; struct qca8k_priv *priv = ctx; + u32 reg = *(u16 *)reg_buf; if (priv->mgmt_master && !qca8k_read_eth(priv, reg, val_buf, val_len)) @@ -527,8 +527,8 @@ qca8k_bulk_gather_write(void *ctx, const void *reg_buf, size_t reg_len, const void *val_buf, size_t val_len) { int i, count = val_len / sizeof(u32), ret; - u32 reg = *(u32 *)reg_buf & U16_MAX; struct qca8k_priv *priv = ctx; + u32 reg = *(u16 *)reg_buf; u32 *val = (u32 *)val_buf; if (priv->mgmt_master && @@ -666,6 +666,15 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, goto err_read_skb; } + /* It seems that accessing the switch's internal PHYs via management + * packets still uses the MDIO bus within the switch internally, and + * these accesses can conflict with external MDIO accesses to other + * devices on the MDIO bus. + * We therefore need to lock the MDIO bus onto which the switch is + * connected. + */ + mutex_lock(&priv->bus->mdio_lock); + /* Actually start the request: * 1. Send mdio master packet * 2. Busy Wait for mdio master command @@ -678,6 +687,7 @@ qca8k_phy_eth_command(struct qca8k_priv *priv, bool read, int phy, mgmt_master = priv->mgmt_master; if (!mgmt_master) { mutex_unlock(&mgmt_eth_data->mutex); + mutex_unlock(&priv->bus->mdio_lock); ret = -EINVAL; goto err_mgmt_master; } @@ -765,6 +775,7 @@ exit: QCA8K_ETHERNET_TIMEOUT); mutex_unlock(&mgmt_eth_data->mutex); + mutex_unlock(&priv->bus->mdio_lock); return ret; diff --git a/drivers/net/ethernet/adi/adin1110.c b/drivers/net/ethernet/adi/adin1110.c index ca66b747b7c5..d7c274af6d4d 100644 --- a/drivers/net/ethernet/adi/adin1110.c +++ b/drivers/net/ethernet/adi/adin1110.c @@ -294,7 +294,7 @@ static int adin1110_read_fifo(struct adin1110_port_priv *port_priv) { struct adin1110_priv *priv = port_priv->priv; u32 header_len = ADIN1110_RD_HEADER_LEN; - struct spi_transfer t; + struct spi_transfer t = {0}; u32 frame_size_no_fcs; struct sk_buff *rxb; u32 frame_size; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 4d4140b7c450..f3305c434c95 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -2170,7 +2170,7 @@ static void xgene_enet_shutdown(struct platform_device *pdev) static struct platform_driver xgene_enet_driver = { .driver = { .name = "xgene-enet", - .of_match_table = of_match_ptr(xgene_enet_of_match), + .of_match_table = xgene_enet_of_match, .acpi_match_table = ACPI_PTR(xgene_enet_acpi_match), }, .probe = xgene_enet_probe, diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 8d719f82854a..76de55306c4d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3816,6 +3816,8 @@ int t4_load_phy_fw(struct adapter *adap, int win, FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_DOWNLOAD)); ret = t4_set_params_timeout(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val, 30000); + if (ret) + return ret; /* If we have version number support, then check to see that the new * firmware got loaded properly. diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c index 5fc64e47568a..d567e42e1760 100644 --- a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c +++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_io.c @@ -911,7 +911,7 @@ static int csk_wait_memory(struct chtls_dev *cdev, struct sock *sk, long *timeo_p) { DEFINE_WAIT_FUNC(wait, woken_wake_function); - int err = 0; + int ret, err = 0; long current_timeo; long vm_wait = 0; bool noblock; @@ -942,10 +942,13 @@ static int csk_wait_memory(struct chtls_dev *cdev, set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); sk->sk_write_pending++; - sk_wait_event(sk, ¤t_timeo, sk->sk_err || - (sk->sk_shutdown & SEND_SHUTDOWN) || - (csk_mem_free(cdev, sk) && !vm_wait), &wait); + ret = sk_wait_event(sk, ¤t_timeo, sk->sk_err || + (sk->sk_shutdown & SEND_SHUTDOWN) || + (csk_mem_free(cdev, sk) && !vm_wait), + &wait); sk->sk_write_pending--; + if (ret < 0) + goto do_error; if (vm_wait) { vm_wait -= current_timeo; @@ -1348,6 +1351,7 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int copied = 0; int target; long timeo; + int ret; buffers_freed = 0; @@ -1423,7 +1427,11 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, if (copied >= target) break; chtls_cleanup_rbuf(sk, copied); - sk_wait_data(sk, &timeo, NULL); + ret = sk_wait_data(sk, &timeo, NULL); + if (ret < 0) { + copied = copied ? : ret; + goto unlock; + } continue; found_ok_skb: if (!skb->len) { @@ -1518,6 +1526,8 @@ skip_copy: if (buffers_freed) chtls_cleanup_rbuf(sk, copied); + +unlock: release_sock(sk); return copied; } @@ -1534,6 +1544,7 @@ static int peekmsg(struct sock *sk, struct msghdr *msg, int copied = 0; size_t avail; /* amount of available data in current skb */ long timeo; + int ret; lock_sock(sk); timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); @@ -1585,7 +1596,12 @@ static int peekmsg(struct sock *sk, struct msghdr *msg, release_sock(sk); lock_sock(sk); } else { - sk_wait_data(sk, &timeo, NULL); + ret = sk_wait_data(sk, &timeo, NULL); + if (ret < 0) { + /* here 'copied' is 0 due to previous checks */ + copied = ret; + break; + } } if (unlikely(peek_seq != tp->copied_seq)) { @@ -1656,6 +1672,7 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int copied = 0; long timeo; int target; /* Read at least this many bytes */ + int ret; buffers_freed = 0; @@ -1747,7 +1764,11 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, if (copied >= target) break; chtls_cleanup_rbuf(sk, copied); - sk_wait_data(sk, &timeo, NULL); + ret = sk_wait_data(sk, &timeo, NULL); + if (ret < 0) { + copied = copied ? : ret; + goto unlock; + } continue; found_ok_skb: @@ -1816,6 +1837,7 @@ skip_copy: if (buffers_freed) chtls_cleanup_rbuf(sk, copied); +unlock: release_sock(sk); return copied; } diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index d1da7413dc4d..e84a066aa1a4 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -146,7 +146,7 @@ static int gve_prefill_rx_pages(struct gve_rx_ring *rx) err = gve_rx_alloc_buffer(priv, &priv->pdev->dev, &rx->data.page_info[i], &rx->data.data_ring[i]); if (err) - goto alloc_err; + goto alloc_err_rda; } if (!rx->data.raw_addressing) { @@ -171,12 +171,26 @@ static int gve_prefill_rx_pages(struct gve_rx_ring *rx) return slots; alloc_err_qpl: + /* Fully free the copy pool pages. */ while (j--) { page_ref_sub(rx->qpl_copy_pool[j].page, rx->qpl_copy_pool[j].pagecnt_bias - 1); put_page(rx->qpl_copy_pool[j].page); } -alloc_err: + + /* Do not fully free QPL pages - only remove the bias added in this + * function with gve_setup_rx_buffer. + */ + while (i--) + page_ref_sub(rx->data.page_info[i].page, + rx->data.page_info[i].pagecnt_bias - 1); + + gve_unassign_qpl(priv, rx->data.qpl->id); + rx->data.qpl = NULL; + + return err; + +alloc_err_rda: while (i--) gve_rx_free_buffer(&priv->pdev->dev, &rx->data.page_info[i], diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 6e310a539467..55bb0b5310d5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -580,7 +580,6 @@ struct i40e_pf { #define I40E_FLAG_DISABLE_FW_LLDP BIT(24) #define I40E_FLAG_RS_FEC BIT(25) #define I40E_FLAG_BASE_R_FEC BIT(26) -#define I40E_FLAG_VF_VLAN_PRUNING BIT(27) /* TOTAL_PORT_SHUTDOWN * Allows to physically disable the link on the NIC's port. * If enabled, (after link down request from the OS) @@ -603,6 +602,7 @@ struct i40e_pf { * in abilities field of i40e_aq_set_phy_config structure */ #define I40E_FLAG_TOTAL_PORT_SHUTDOWN_ENABLED BIT(27) +#define I40E_FLAG_VF_VLAN_PRUNING BIT(28) struct i40e_client_instance *cinst; bool stat_offsets_loaded; diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index eeef20f77106..1b493854f522 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -1082,7 +1082,7 @@ void i40e_clear_hw(struct i40e_hw *hw) I40E_PFLAN_QALLOC_FIRSTQ_SHIFT; j = (val & I40E_PFLAN_QALLOC_LASTQ_MASK) >> I40E_PFLAN_QALLOC_LASTQ_SHIFT; - if (val & I40E_PFLAN_QALLOC_VALID_MASK) + if (val & I40E_PFLAN_QALLOC_VALID_MASK && j >= base_queue) num_queues = (j - base_queue) + 1; else num_queues = 0; @@ -1092,7 +1092,7 @@ void i40e_clear_hw(struct i40e_hw *hw) I40E_PF_VT_PFALLOC_FIRSTVF_SHIFT; j = (val & I40E_PF_VT_PFALLOC_LASTVF_MASK) >> I40E_PF_VT_PFALLOC_LASTVF_SHIFT; - if (val & I40E_PF_VT_PFALLOC_VALID_MASK) + if (val & I40E_PF_VT_PFALLOC_VALID_MASK && j >= i) num_vfs = (j - i) + 1; else num_vfs = 0; diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 0b3a27f118fb..b047c587629b 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -2544,7 +2544,14 @@ static int i40e_clean_rx_irq(struct i40e_ring *rx_ring, int budget, rx_buffer = i40e_rx_bi(rx_ring, ntp); i40e_inc_ntp(rx_ring); i40e_reuse_rx_page(rx_ring, rx_buffer); - cleaned_count++; + /* Update ntc and bump cleaned count if not in the + * middle of mb packet. + */ + if (rx_ring->next_to_clean == ntp) { + rx_ring->next_to_clean = + rx_ring->next_to_process; + cleaned_count++; + } continue; } @@ -2847,7 +2854,7 @@ tx_only: return budget; } - if (vsi->back->flags & I40E_TXR_FLAGS_WB_ON_ITR) + if (q_vector->tx.ring[0].flags & I40E_TXR_FLAGS_WB_ON_ITR) q_vector->arm_wb_state = false; /* Exit the polling mode, but don't re-enable interrupts if stack might diff --git a/drivers/net/ethernet/intel/i40e/i40e_xsk.c b/drivers/net/ethernet/intel/i40e/i40e_xsk.c index 37f41c8a682f..7d991e4d9b89 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_xsk.c +++ b/drivers/net/ethernet/intel/i40e/i40e_xsk.c @@ -437,12 +437,12 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget) unsigned int total_rx_bytes = 0, total_rx_packets = 0; u16 next_to_process = rx_ring->next_to_process; u16 next_to_clean = rx_ring->next_to_clean; - u16 count_mask = rx_ring->count - 1; unsigned int xdp_res, xdp_xmit = 0; struct xdp_buff *first = NULL; + u32 count = rx_ring->count; struct bpf_prog *xdp_prog; + u32 entries_to_alloc; bool failure = false; - u16 cleaned_count; if (next_to_process != next_to_clean) first = *i40e_rx_bi(rx_ring, next_to_clean); @@ -475,7 +475,8 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget) qword); bi = *i40e_rx_bi(rx_ring, next_to_process); xsk_buff_free(bi); - next_to_process = (next_to_process + 1) & count_mask; + if (++next_to_process == count) + next_to_process = 0; continue; } @@ -493,7 +494,8 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget) else if (i40e_add_xsk_frag(rx_ring, first, bi, size)) break; - next_to_process = (next_to_process + 1) & count_mask; + if (++next_to_process == count) + next_to_process = 0; if (i40e_is_non_eop(rx_ring, rx_desc)) continue; @@ -513,10 +515,10 @@ int i40e_clean_rx_irq_zc(struct i40e_ring *rx_ring, int budget) rx_ring->next_to_clean = next_to_clean; rx_ring->next_to_process = next_to_process; - cleaned_count = (next_to_clean - rx_ring->next_to_use - 1) & count_mask; - if (cleaned_count >= I40E_RX_BUFFER_WRITE) - failure |= !i40e_alloc_rx_buffers_zc(rx_ring, cleaned_count); + entries_to_alloc = I40E_DESC_UNUSED(rx_ring); + if (entries_to_alloc >= I40E_RX_BUFFER_WRITE) + failure |= !i40e_alloc_rx_buffers_zc(rx_ring, entries_to_alloc); i40e_finalize_xdp_rx(rx_ring, xdp_xmit); i40e_update_rx_stats(rx_ring, total_rx_bytes, total_rx_packets); @@ -752,14 +754,16 @@ int i40e_xsk_wakeup(struct net_device *dev, u32 queue_id, u32 flags) void i40e_xsk_clean_rx_ring(struct i40e_ring *rx_ring) { - u16 count_mask = rx_ring->count - 1; u16 ntc = rx_ring->next_to_clean; u16 ntu = rx_ring->next_to_use; - for ( ; ntc != ntu; ntc = (ntc + 1) & count_mask) { + while (ntc != ntu) { struct xdp_buff *rx_bi = *i40e_rx_bi(rx_ring, ntc); xsk_buff_free(rx_bi); + ntc++; + if (ntc >= rx_ring->count) + ntc = 0; } } diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index 6a2e6d64bc3a..b3434dbc90d6 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -1437,9 +1437,9 @@ void iavf_down(struct iavf_adapter *adapter) adapter->aq_required |= IAVF_FLAG_AQ_DEL_FDIR_FILTER; if (!list_empty(&adapter->adv_rss_list_head)) adapter->aq_required |= IAVF_FLAG_AQ_DEL_ADV_RSS_CFG; - adapter->aq_required |= IAVF_FLAG_AQ_DISABLE_QUEUES; } + adapter->aq_required |= IAVF_FLAG_AQ_DISABLE_QUEUES; mod_delayed_work(adapter->wq, &adapter->watchdog_task, 0); } @@ -4982,8 +4982,6 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) INIT_WORK(&adapter->finish_config, iavf_finish_config); INIT_DELAYED_WORK(&adapter->watchdog_task, iavf_watchdog_task); INIT_DELAYED_WORK(&adapter->client_task, iavf_client_task); - queue_delayed_work(adapter->wq, &adapter->watchdog_task, - msecs_to_jiffies(5 * (pdev->devfn & 0x07))); /* Setup the wait queue for indicating transition to down status */ init_waitqueue_head(&adapter->down_waitqueue); @@ -4994,6 +4992,9 @@ static int iavf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Setup the wait queue for indicating virtchannel events */ init_waitqueue_head(&adapter->vc_waitqueue); + queue_delayed_work(adapter->wq, &adapter->watchdog_task, + msecs_to_jiffies(5 * (pdev->devfn & 0x07))); + /* Initialization goes on in the work. Do not add more of it below. */ return 0; err_ioremap: diff --git a/drivers/net/ethernet/intel/ice/ice_lag.c b/drivers/net/ethernet/intel/ice/ice_lag.c index 4f39863b5537..7b1256992dcf 100644 --- a/drivers/net/ethernet/intel/ice/ice_lag.c +++ b/drivers/net/ethernet/intel/ice/ice_lag.c @@ -2093,3 +2093,35 @@ lag_rebuild_out: } mutex_unlock(&pf->lag_mutex); } + +/** + * ice_lag_is_switchdev_running + * @pf: pointer to PF structure + * + * Check if switchdev is running on any of the interfaces connected to lag. + */ +bool ice_lag_is_switchdev_running(struct ice_pf *pf) +{ + struct ice_lag *lag = pf->lag; + struct net_device *tmp_nd; + + if (!ice_is_feature_supported(pf, ICE_F_SRIOV_LAG) || !lag) + return false; + + rcu_read_lock(); + for_each_netdev_in_bond_rcu(lag->upper_netdev, tmp_nd) { + struct ice_netdev_priv *priv = netdev_priv(tmp_nd); + + if (!netif_is_ice(tmp_nd) || !priv || !priv->vsi || + !priv->vsi->back) + continue; + + if (ice_is_switchdev_running(priv->vsi->back)) { + rcu_read_unlock(); + return true; + } + } + rcu_read_unlock(); + + return false; +} diff --git a/drivers/net/ethernet/intel/ice/ice_lag.h b/drivers/net/ethernet/intel/ice/ice_lag.h index 18075b82485a..facb6c894b6d 100644 --- a/drivers/net/ethernet/intel/ice/ice_lag.h +++ b/drivers/net/ethernet/intel/ice/ice_lag.h @@ -62,4 +62,5 @@ void ice_lag_move_new_vf_nodes(struct ice_vf *vf); int ice_init_lag(struct ice_pf *pf); void ice_deinit_lag(struct ice_pf *pf); void ice_lag_rebuild(struct ice_pf *pf); +bool ice_lag_is_switchdev_running(struct ice_pf *pf); #endif /* _ICE_LAG_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 201570cd2e0b..73bbf06a76db 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -1201,8 +1201,7 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | - ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & - ICE_AQ_VSI_Q_OPT_RSS_HASH_M); + (hash_type & ICE_AQ_VSI_Q_OPT_RSS_HASH_M); } static void @@ -3575,6 +3574,12 @@ int ice_set_dflt_vsi(struct ice_vsi *vsi) dev = ice_pf_to_dev(vsi->back); + if (ice_lag_is_switchdev_running(vsi->back)) { + dev_dbg(dev, "VSI %d passed is a part of LAG containing interfaces in switchdev mode, nothing to do\n", + vsi->vsi_num); + return 0; + } + /* the VSI passed in is already the default VSI */ if (ice_is_vsi_dflt_vsi(vsi)) { dev_dbg(dev, "VSI %d passed in is already the default forwarding VSI, nothing to do\n", diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index c8286adae946..7784135160fd 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -6,6 +6,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <generated/utsrelease.h> +#include <linux/crash_dump.h> #include "ice.h" #include "ice_base.h" #include "ice_lib.h" @@ -4683,6 +4684,9 @@ static void ice_init_features(struct ice_pf *pf) static void ice_deinit_features(struct ice_pf *pf) { + if (ice_is_safe_mode(pf)) + return; + ice_deinit_lag(pf); if (test_bit(ICE_FLAG_DCB_CAPABLE, pf->flags)) ice_cfg_lldp_mib_change(&pf->hw, false); @@ -5014,6 +5018,20 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent) return -EINVAL; } + /* when under a kdump kernel initiate a reset before enabling the + * device in order to clear out any pending DMA transactions. These + * transactions can cause some systems to machine check when doing + * the pcim_enable_device() below. + */ + if (is_kdump_kernel()) { + pci_save_state(pdev); + pci_clear_master(pdev); + err = pcie_flr(pdev); + if (err) + return err; + pci_restore_state(pdev); + } + /* this driver uses devres, see * Documentation/driver-api/driver-model/devres.rst */ diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 319ed601eaa1..4ee849985e2b 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -2978,11 +2978,15 @@ static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter, if (err) goto err_out_w_lock; - igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx); + err = igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx); + if (err) + goto err_out_input_filter; spin_unlock(&adapter->nfc_lock); return 0; +err_out_input_filter: + igb_erase_filter(adapter, input); err_out_w_lock: spin_unlock(&adapter->nfc_lock); err_out: diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 7ab6dd58e400..dd8a9d27a167 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1817,7 +1817,7 @@ igc_ethtool_set_link_ksettings(struct net_device *netdev, struct igc_adapter *adapter = netdev_priv(netdev); struct net_device *dev = adapter->netdev; struct igc_hw *hw = &adapter->hw; - u32 advertising; + u16 advertised = 0; /* When adapter in resetting mode, autoneg/speed/duplex * cannot be changed @@ -1842,18 +1842,33 @@ igc_ethtool_set_link_ksettings(struct net_device *netdev, while (test_and_set_bit(__IGC_RESETTING, &adapter->state)) usleep_range(1000, 2000); - ethtool_convert_link_mode_to_legacy_u32(&advertising, - cmd->link_modes.advertising); - /* Converting to legacy u32 drops ETHTOOL_LINK_MODE_2500baseT_Full_BIT. - * We have to check this and convert it to ADVERTISE_2500_FULL - * (aka ETHTOOL_LINK_MODE_2500baseX_Full_BIT) explicitly. - */ - if (ethtool_link_ksettings_test_link_mode(cmd, advertising, 2500baseT_Full)) - advertising |= ADVERTISE_2500_FULL; + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 2500baseT_Full)) + advertised |= ADVERTISE_2500_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 1000baseT_Full)) + advertised |= ADVERTISE_1000_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 100baseT_Full)) + advertised |= ADVERTISE_100_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 100baseT_Half)) + advertised |= ADVERTISE_100_HALF; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 10baseT_Full)) + advertised |= ADVERTISE_10_FULL; + + if (ethtool_link_ksettings_test_link_mode(cmd, advertising, + 10baseT_Half)) + advertised |= ADVERTISE_10_HALF; if (cmd->base.autoneg == AUTONEG_ENABLE) { hw->mac.autoneg = 1; - hw->phy.autoneg_advertised = advertising; + hw->phy.autoneg_advertised = advertised; if (adapter->fc_autoneg) hw->fc.requested_mode = igc_fc_default; } else { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index 29cc60988071..ea88ac04ab9a 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -28,6 +28,9 @@ static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter, struct vf_macvlans *mv_list; int num_vf_macvlans, i; + /* Initialize list of VF macvlans */ + INIT_LIST_HEAD(&adapter->vf_mvs.l); + num_vf_macvlans = hw->mac.num_rar_entries - (IXGBE_MAX_PF_MACVLANS + 1 + num_vfs); if (!num_vf_macvlans) @@ -36,8 +39,6 @@ static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter, mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans), GFP_KERNEL); if (mv_list) { - /* Initialize list of VF macvlans */ - INIT_LIST_HEAD(&adapter->vf_mvs.l); for (i = 0; i < num_vf_macvlans; i++) { mv_list[i].vf = -1; mv_list[i].free = true; diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index dbc518ff8276..5b46ca47c8e5 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -715,20 +715,19 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, hw_desc->dptr = tx_buffer->sglist_dma; } - /* Flush the hw descriptor before writing to doorbell */ - wmb(); - - /* Ring Doorbell to notify the NIC there is a new packet */ - writel(1, iq->doorbell_reg); + netdev_tx_sent_queue(iq->netdev_q, skb->len); + skb_tx_timestamp(skb); atomic_inc(&iq->instr_pending); wi++; if (wi == iq->max_count) wi = 0; iq->host_write_index = wi; + /* Flush the hw descriptor before writing to doorbell */ + wmb(); - netdev_tx_sent_queue(iq->netdev_q, skb->len); + /* Ring Doorbell to notify the NIC there is a new packet */ + writel(1, iq->doorbell_reg); iq->stats.instr_posted++; - skb_tx_timestamp(skb); return NETDEV_TX_OK; dma_map_sg_err: diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c index 59b138214af2..6cc7a78968fc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/cn10k_macsec.c @@ -1357,10 +1357,12 @@ static int cn10k_mdo_upd_txsa(struct macsec_context *ctx) if (netif_running(secy->netdev)) { /* Keys cannot be changed after creation */ - err = cn10k_write_tx_sa_pn(pfvf, txsc, sa_num, - sw_tx_sa->next_pn); - if (err) - return err; + if (ctx->sa.update_pn) { + err = cn10k_write_tx_sa_pn(pfvf, txsc, sa_num, + sw_tx_sa->next_pn); + if (err) + return err; + } err = cn10k_mcs_link_tx_sa2sc(pfvf, secy, txsc, sa_num, sw_tx_sa->active); @@ -1529,6 +1531,9 @@ static int cn10k_mdo_upd_rxsa(struct macsec_context *ctx) if (err) return err; + if (!ctx->sa.update_pn) + return 0; + err = cn10k_mcs_write_rx_sa_pn(pfvf, rxsc, sa_num, rx_sa->next_pn); if (err) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c index 997fedac3a98..818ce76185b2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c @@ -1403,6 +1403,7 @@ int otx2_pool_init(struct otx2_nic *pfvf, u16 pool_id, return 0; } + pp_params.order = get_order(buf_size); pp_params.flags = PP_FLAG_PAGE_FRAG | PP_FLAG_DMA_MAP; pp_params.pool_size = min(OTX2_PAGE_POOL_SZ, numptrs); pp_params.nid = NUMA_NO_NODE; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index afb348579577..c22b0ad0c870 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -2186,52 +2186,23 @@ static u16 cmdif_rev(struct mlx5_core_dev *dev) int mlx5_cmd_init(struct mlx5_core_dev *dev) { - int size = sizeof(struct mlx5_cmd_prot_block); - int align = roundup_pow_of_two(size); struct mlx5_cmd *cmd = &dev->cmd; - u32 cmd_l; - int err; - - cmd->pool = dma_pool_create("mlx5_cmd", mlx5_core_dma_dev(dev), size, align, 0); - if (!cmd->pool) - return -ENOMEM; - err = alloc_cmd_page(dev, cmd); - if (err) - goto err_free_pool; - - cmd_l = (u32)(cmd->dma); - if (cmd_l & 0xfff) { - mlx5_core_err(dev, "invalid command queue address\n"); - err = -ENOMEM; - goto err_cmd_page; - } cmd->checksum_disabled = 1; spin_lock_init(&cmd->alloc_lock); spin_lock_init(&cmd->token_lock); - create_msg_cache(dev); - set_wqname(dev); cmd->wq = create_singlethread_workqueue(cmd->wq_name); if (!cmd->wq) { mlx5_core_err(dev, "failed to create command workqueue\n"); - err = -ENOMEM; - goto err_cache; + return -ENOMEM; } mlx5_cmdif_debugfs_init(dev); return 0; - -err_cache: - destroy_msg_cache(dev); -err_cmd_page: - free_cmd_page(dev, cmd); -err_free_pool: - dma_pool_destroy(cmd->pool); - return err; } void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) @@ -2240,15 +2211,15 @@ void mlx5_cmd_cleanup(struct mlx5_core_dev *dev) mlx5_cmdif_debugfs_cleanup(dev); destroy_workqueue(cmd->wq); - destroy_msg_cache(dev); - free_cmd_page(dev, cmd); - dma_pool_destroy(cmd->pool); } int mlx5_cmd_enable(struct mlx5_core_dev *dev) { + int size = sizeof(struct mlx5_cmd_prot_block); + int align = roundup_pow_of_two(size); struct mlx5_cmd *cmd = &dev->cmd; u32 cmd_h, cmd_l; + int err; memset(&cmd->vars, 0, sizeof(cmd->vars)); cmd->vars.cmdif_rev = cmdif_rev(dev); @@ -2281,10 +2252,21 @@ int mlx5_cmd_enable(struct mlx5_core_dev *dev) sema_init(&cmd->vars.pages_sem, 1); sema_init(&cmd->vars.throttle_sem, DIV_ROUND_UP(cmd->vars.max_reg_cmds, 2)); + cmd->pool = dma_pool_create("mlx5_cmd", mlx5_core_dma_dev(dev), size, align, 0); + if (!cmd->pool) + return -ENOMEM; + + err = alloc_cmd_page(dev, cmd); + if (err) + goto err_free_pool; + cmd_h = (u32)((u64)(cmd->dma) >> 32); cmd_l = (u32)(cmd->dma); - if (WARN_ON(cmd_l & 0xfff)) - return -EINVAL; + if (cmd_l & 0xfff) { + mlx5_core_err(dev, "invalid command queue address\n"); + err = -ENOMEM; + goto err_cmd_page; + } iowrite32be(cmd_h, &dev->iseg->cmdq_addr_h); iowrite32be(cmd_l, &dev->iseg->cmdq_addr_l_sz); @@ -2297,17 +2279,27 @@ int mlx5_cmd_enable(struct mlx5_core_dev *dev) cmd->mode = CMD_MODE_POLLING; cmd->allowed_opcode = CMD_ALLOWED_OPCODE_ALL; + create_msg_cache(dev); create_debugfs_files(dev); return 0; + +err_cmd_page: + free_cmd_page(dev, cmd); +err_free_pool: + dma_pool_destroy(cmd->pool); + return err; } void mlx5_cmd_disable(struct mlx5_core_dev *dev) { struct mlx5_cmd *cmd = &dev->cmd; - clean_debug_files(dev); flush_workqueue(cmd->wq); + clean_debug_files(dev); + destroy_msg_cache(dev); + free_cmd_page(dev, cmd); + dma_pool_destroy(cmd->pool); } void mlx5_cmd_set_state(struct mlx5_core_dev *dev, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c index 7c0f2adbea00..ad789349c06e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c @@ -848,7 +848,7 @@ static void mlx5_fw_tracer_ownership_change(struct work_struct *work) mlx5_core_dbg(tracer->dev, "FWTracer: ownership changed, current=(%d)\n", tracer->owner); if (tracer->owner) { - tracer->owner = false; + mlx5_fw_tracer_ownership_acquire(tracer); return; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c index 0fef853eab62..5d128c5b4529 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/rep/bridge.c @@ -467,6 +467,17 @@ static int mlx5_esw_bridge_switchdev_event(struct notifier_block *nb, /* only handle the event on peers */ if (mlx5_esw_bridge_is_local(dev, rep, esw)) break; + + fdb_info = container_of(info, + struct switchdev_notifier_fdb_info, + info); + /* Mark for deletion to prevent the update wq task from + * spuriously refreshing the entry which would mark it again as + * offloaded in SW bridge. After this fallthrough to regular + * async delete code. + */ + mlx5_esw_bridge_fdb_mark_deleted(dev, vport_num, esw_owner_vhca_id, br_offloads, + fdb_info); fallthrough; case SWITCHDEV_FDB_ADD_TO_DEVICE: case SWITCHDEV_FDB_DEL_TO_DEVICE: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c index 1730f6a716ee..b10e40e1a9c1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun_encap.c @@ -24,7 +24,8 @@ static int mlx5e_set_int_port_tunnel(struct mlx5e_priv *priv, route_dev = dev_get_by_index(dev_net(e->out_dev), e->route_dev_ifindex); - if (!route_dev || !netif_is_ovs_master(route_dev)) + if (!route_dev || !netif_is_ovs_master(route_dev) || + attr->parse_attr->filter_dev == e->out_dev) goto out; err = mlx5e_set_fwd_to_int_port_actions(priv, attr, e->route_dev_ifindex, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 12f56d0db0af..8bed17d8fe56 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -874,11 +874,11 @@ int mlx5e_xdp_xmit(struct net_device *dev, int n, struct xdp_frame **frames, } out: - if (flags & XDP_XMIT_FLUSH) { - if (sq->mpwqe.wqe) - mlx5e_xdp_mpwqe_complete(sq); + if (sq->mpwqe.wqe) + mlx5e_xdp_mpwqe_complete(sq); + + if (flags & XDP_XMIT_FLUSH) mlx5e_xmit_xdp_doorbell(sq); - } return nxmit; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c index c9c1db971652..d4ebd8743114 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c @@ -580,7 +580,7 @@ static int mlx5e_macsec_upd_txsa(struct macsec_context *ctx) goto out; } - if (tx_sa->next_pn != ctx_tx_sa->next_pn_halves.lower) { + if (ctx->sa.update_pn) { netdev_err(netdev, "MACsec offload: update TX sa %d PN isn't supported\n", assoc_num); err = -EINVAL; @@ -973,7 +973,7 @@ static int mlx5e_macsec_upd_rxsa(struct macsec_context *ctx) goto out; } - if (rx_sa->next_pn != ctx_rx_sa->next_pn_halves.lower) { + if (ctx->sa.update_pn) { netdev_err(ctx->netdev, "MACsec offload update RX sa %d PN isn't supported\n", assoc_num); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index a2ae791538ed..acb40770cf0c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3952,13 +3952,14 @@ static int set_feature_rx_fcs(struct net_device *netdev, bool enable) struct mlx5e_channels *chs = &priv->channels; struct mlx5e_params new_params; int err; + bool rx_ts_over_crc = !enable; mutex_lock(&priv->state_lock); new_params = chs->params; new_params.scatter_fcs_en = enable; err = mlx5e_safe_switch_params(priv, &new_params, mlx5e_set_rx_port_ts_wrap, - &new_params.scatter_fcs_en, true); + &rx_ts_over_crc, true); mutex_unlock(&priv->state_lock); return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 2fdb8895aecd..fd1cce542b68 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -701,7 +701,7 @@ mlx5e_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) /* update HW stats in background for next time */ mlx5e_queue_update_stats(priv); - memcpy(stats, &priv->stats.vf_vport, sizeof(*stats)); + mlx5e_stats_copy_rep_stats(stats, &priv->stats.rep_stats); } static int mlx5e_rep_change_mtu(struct net_device *netdev, int new_mtu) @@ -769,6 +769,7 @@ static int mlx5e_rep_max_nch_limit(struct mlx5_core_dev *mdev) static void mlx5e_build_rep_params(struct net_device *netdev) { + const bool take_rtnl = netdev->reg_state == NETREG_REGISTERED; struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; @@ -794,8 +795,15 @@ static void mlx5e_build_rep_params(struct net_device *netdev) /* RQ */ mlx5e_build_rq_params(mdev, params); + /* If netdev is already registered (e.g. move from nic profile to uplink, + * RTNL lock must be held before triggering netdev notifiers. + */ + if (take_rtnl) + rtnl_lock(); /* update XDP supported features */ mlx5e_set_xdp_feature(netdev); + if (take_rtnl) + rtnl_unlock(); /* CQ moderation params */ params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 3fd11b0761e0..8d9743a5e42c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -457,26 +457,41 @@ static int mlx5e_alloc_rx_wqes(struct mlx5e_rq *rq, u16 ix, int wqe_bulk) static int mlx5e_refill_rx_wqes(struct mlx5e_rq *rq, u16 ix, int wqe_bulk) { int remaining = wqe_bulk; - int i = 0; + int total_alloc = 0; + int refill_alloc; + int refill; /* The WQE bulk is split into smaller bulks that are sized * according to the page pool cache refill size to avoid overflowing * the page pool cache due to too many page releases at once. */ do { - int refill = min_t(u16, rq->wqe.info.refill_unit, remaining); - int alloc_count; + refill = min_t(u16, rq->wqe.info.refill_unit, remaining); - mlx5e_free_rx_wqes(rq, ix + i, refill); - alloc_count = mlx5e_alloc_rx_wqes(rq, ix + i, refill); - i += alloc_count; - if (unlikely(alloc_count != refill)) - break; + mlx5e_free_rx_wqes(rq, ix + total_alloc, refill); + refill_alloc = mlx5e_alloc_rx_wqes(rq, ix + total_alloc, refill); + if (unlikely(refill_alloc != refill)) + goto err_free; + total_alloc += refill_alloc; remaining -= refill; } while (remaining); - return i; + return total_alloc; + +err_free: + mlx5e_free_rx_wqes(rq, ix, total_alloc + refill_alloc); + + for (int i = 0; i < total_alloc + refill; i++) { + int j = mlx5_wq_cyc_ctr2ix(&rq->wqe.wq, ix + i); + struct mlx5e_wqe_frag_info *frag; + + frag = get_frag(rq, j); + for (int k = 0; k < rq->wqe.info.num_frags; k++, frag++) + frag->flags |= BIT(MLX5E_WQE_FRAG_SKIP_RELEASE); + } + + return 0; } static void @@ -816,6 +831,8 @@ err_unmap: mlx5e_page_release_fragmented(rq, frag_page); } + bitmap_fill(wi->skip_release_bitmap, rq->mpwqe.pages_per_wqe); + err: rq->stats->buff_alloc_err++; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 176fa5976259..477c547dcc04 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -484,11 +484,20 @@ struct mlx5e_stats { struct mlx5e_vnic_env_stats vnic; struct mlx5e_vport_stats vport; struct mlx5e_pport_stats pport; - struct rtnl_link_stats64 vf_vport; struct mlx5e_pcie_stats pcie; struct mlx5e_rep_stats rep_stats; }; +static inline void mlx5e_stats_copy_rep_stats(struct rtnl_link_stats64 *vf_vport, + struct mlx5e_rep_stats *rep_stats) +{ + memset(vf_vport, 0, sizeof(*vf_vport)); + vf_vport->rx_packets = rep_stats->vport_rx_packets; + vf_vport->tx_packets = rep_stats->vport_tx_packets; + vf_vport->rx_bytes = rep_stats->vport_rx_bytes; + vf_vport->tx_bytes = rep_stats->vport_tx_bytes; +} + extern mlx5e_stats_grp_t mlx5e_nic_stats_grps[]; unsigned int mlx5e_nic_stats_grps_num(struct mlx5e_priv *priv); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index c24828b688ac..c8590483ddc6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -4972,7 +4972,8 @@ static int scan_tc_matchall_fdb_actions(struct mlx5e_priv *priv, if (err) return err; - rpriv->prev_vf_vport_stats = priv->stats.vf_vport; + mlx5e_stats_copy_rep_stats(&rpriv->prev_vf_vport_stats, + &priv->stats.rep_stats); break; default: NL_SET_ERR_MSG_MOD(extack, "mlx5 supports only police action for matchall"); @@ -5012,7 +5013,7 @@ void mlx5e_tc_stats_matchall(struct mlx5e_priv *priv, u64 dbytes; u64 dpkts; - cur_stats = priv->stats.vf_vport; + mlx5e_stats_copy_rep_stats(&cur_stats, &priv->stats.rep_stats); dpkts = cur_stats.rx_packets - rpriv->prev_vf_vport_stats.rx_packets; dbytes = cur_stats.rx_bytes - rpriv->prev_vf_vport_stats.rx_bytes; rpriv->prev_vf_vport_stats = cur_stats; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c index e36294b7ade2..1b9bc32efd6f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.c @@ -1748,6 +1748,28 @@ void mlx5_esw_bridge_fdb_update_used(struct net_device *dev, u16 vport_num, u16 entry->lastuse = jiffies; } +void mlx5_esw_bridge_fdb_mark_deleted(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id, + struct mlx5_esw_bridge_offloads *br_offloads, + struct switchdev_notifier_fdb_info *fdb_info) +{ + struct mlx5_esw_bridge_fdb_entry *entry; + struct mlx5_esw_bridge *bridge; + + bridge = mlx5_esw_bridge_from_port_lookup(vport_num, esw_owner_vhca_id, br_offloads); + if (!bridge) + return; + + entry = mlx5_esw_bridge_fdb_lookup(bridge, fdb_info->addr, fdb_info->vid); + if (!entry) { + esw_debug(br_offloads->esw->dev, + "FDB mark deleted entry with specified key not found (MAC=%pM,vid=%u,vport=%u)\n", + fdb_info->addr, fdb_info->vid, vport_num); + return; + } + + entry->flags |= MLX5_ESW_BRIDGE_FLAG_DELETED; +} + void mlx5_esw_bridge_fdb_create(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id, struct mlx5_esw_bridge_offloads *br_offloads, struct switchdev_notifier_fdb_info *fdb_info) @@ -1810,7 +1832,8 @@ void mlx5_esw_bridge_update(struct mlx5_esw_bridge_offloads *br_offloads) unsigned long lastuse = (unsigned long)mlx5_fc_query_lastuse(entry->ingress_counter); - if (entry->flags & MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER) + if (entry->flags & (MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER | + MLX5_ESW_BRIDGE_FLAG_DELETED)) continue; if (time_after(lastuse, entry->lastuse)) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.h index c2c7c70d99eb..d6f539161993 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge.h @@ -62,6 +62,9 @@ int mlx5_esw_bridge_vport_peer_unlink(struct net_device *br_netdev, u16 vport_nu void mlx5_esw_bridge_fdb_update_used(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id, struct mlx5_esw_bridge_offloads *br_offloads, struct switchdev_notifier_fdb_info *fdb_info); +void mlx5_esw_bridge_fdb_mark_deleted(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id, + struct mlx5_esw_bridge_offloads *br_offloads, + struct switchdev_notifier_fdb_info *fdb_info); void mlx5_esw_bridge_fdb_create(struct net_device *dev, u16 vport_num, u16 esw_owner_vhca_id, struct mlx5_esw_bridge_offloads *br_offloads, struct switchdev_notifier_fdb_info *fdb_info); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_priv.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_priv.h index 4911cc32161b..7c251af566c6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_priv.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/bridge_priv.h @@ -133,6 +133,7 @@ struct mlx5_esw_bridge_mdb_key { enum { MLX5_ESW_BRIDGE_FLAG_ADDED_BY_USER = BIT(0), MLX5_ESW_BRIDGE_FLAG_PEER = BIT(1), + MLX5_ESW_BRIDGE_FLAG_DELETED = BIT(2), }; enum { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index d4cde6555063..8d0b915a3121 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1038,11 +1038,8 @@ const u32 *mlx5_esw_query_functions(struct mlx5_core_dev *dev) return ERR_PTR(err); } -static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw) +static void mlx5_eswitch_event_handler_register(struct mlx5_eswitch *esw) { - MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE); - mlx5_eq_notifier_register(esw->dev, &esw->nb); - if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev)) { MLX5_NB_INIT(&esw->esw_funcs.nb, mlx5_esw_funcs_changed_handler, ESW_FUNCTIONS_CHANGED); @@ -1050,13 +1047,11 @@ static void mlx5_eswitch_event_handlers_register(struct mlx5_eswitch *esw) } } -static void mlx5_eswitch_event_handlers_unregister(struct mlx5_eswitch *esw) +static void mlx5_eswitch_event_handler_unregister(struct mlx5_eswitch *esw) { if (esw->mode == MLX5_ESWITCH_OFFLOADS && mlx5_eswitch_is_funcs_handler(esw->dev)) mlx5_eq_notifier_unregister(esw->dev, &esw->esw_funcs.nb); - mlx5_eq_notifier_unregister(esw->dev, &esw->nb); - flush_workqueue(esw->work_queue); } @@ -1483,6 +1478,9 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs) mlx5_eswitch_update_num_of_vfs(esw, num_vfs); + MLX5_NB_INIT(&esw->nb, eswitch_vport_event, NIC_VPORT_CHANGE); + mlx5_eq_notifier_register(esw->dev, &esw->nb); + if (esw->mode == MLX5_ESWITCH_LEGACY) { err = esw_legacy_enable(esw); } else { @@ -1495,7 +1493,7 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs) esw->fdb_table.flags |= MLX5_ESW_FDB_CREATED; - mlx5_eswitch_event_handlers_register(esw); + mlx5_eswitch_event_handler_register(esw); esw_info(esw->dev, "Enable: mode(%s), nvfs(%d), necvfs(%d), active vports(%d)\n", esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", @@ -1622,7 +1620,8 @@ void mlx5_eswitch_disable_locked(struct mlx5_eswitch *esw) */ mlx5_esw_mode_change_notify(esw, MLX5_ESWITCH_LEGACY); - mlx5_eswitch_event_handlers_unregister(esw); + mlx5_eq_notifier_unregister(esw->dev, &esw->nb); + mlx5_eswitch_event_handler_unregister(esw); esw_info(esw->dev, "Disable: mode(%s), nvfs(%d), necvfs(%d), active vports(%d)\n", esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c index bb8eeb86edf7..52c2fe3644d4 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_nve_vxlan.c @@ -310,8 +310,8 @@ const struct mlxsw_sp_nve_ops mlxsw_sp1_nve_vxlan_ops = { .fdb_clear_offload = mlxsw_sp_nve_vxlan_clear_offload, }; -static bool mlxsw_sp2_nve_vxlan_learning_set(struct mlxsw_sp *mlxsw_sp, - bool learning_en) +static int mlxsw_sp2_nve_vxlan_learning_set(struct mlxsw_sp *mlxsw_sp, + bool learning_en) { char tnpc_pl[MLXSW_REG_TNPC_LEN]; diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c index f21cf1f40f98..153533cd8f08 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.c +++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.c @@ -210,6 +210,7 @@ nfp_flower_cmsg_merge_hint_rx(struct nfp_app *app, struct sk_buff *skb) unsigned int msg_len = nfp_flower_cmsg_get_data_len(skb); struct nfp_flower_cmsg_merge_hint *msg; struct nfp_fl_payload *sub_flows[2]; + struct nfp_flower_priv *priv; int err, i, flow_cnt; msg = nfp_flower_cmsg_get_data(skb); @@ -228,14 +229,15 @@ nfp_flower_cmsg_merge_hint_rx(struct nfp_app *app, struct sk_buff *skb) return; } - rtnl_lock(); + priv = app->priv; + mutex_lock(&priv->nfp_fl_lock); for (i = 0; i < flow_cnt; i++) { u32 ctx = be32_to_cpu(msg->flow[i].host_ctx); sub_flows[i] = nfp_flower_get_fl_payload_from_ctx(app, ctx); if (!sub_flows[i]) { nfp_flower_cmsg_warn(app, "Invalid flow in merge hint\n"); - goto err_rtnl_unlock; + goto err_mutex_unlock; } } @@ -244,8 +246,8 @@ nfp_flower_cmsg_merge_hint_rx(struct nfp_app *app, struct sk_buff *skb) if (err == -ENOMEM) nfp_flower_cmsg_warn(app, "Flow merge memory fail.\n"); -err_rtnl_unlock: - rtnl_unlock(); +err_mutex_unlock: + mutex_unlock(&priv->nfp_fl_lock); } static void diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c index 2643c4b3ff1f..2967bab72505 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c +++ b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c @@ -2131,8 +2131,6 @@ nfp_fl_ct_offload_nft_flow(struct nfp_fl_ct_zone_entry *zt, struct flow_cls_offl struct nfp_fl_ct_flow_entry *ct_entry; struct netlink_ext_ack *extack = NULL; - ASSERT_RTNL(); - extack = flow->common.extack; switch (flow->command) { case FLOW_CLS_REPLACE: @@ -2178,9 +2176,13 @@ int nfp_fl_ct_handle_nft_flow(enum tc_setup_type type, void *type_data, void *cb switch (type) { case TC_SETUP_CLSFLOWER: - rtnl_lock(); + while (!mutex_trylock(&zt->priv->nfp_fl_lock)) { + if (!zt->nft) /* avoid deadlock */ + return err; + msleep(20); + } err = nfp_fl_ct_offload_nft_flow(zt, flow); - rtnl_unlock(); + mutex_unlock(&zt->priv->nfp_fl_lock); break; default: return -EOPNOTSUPP; @@ -2208,6 +2210,7 @@ int nfp_fl_ct_del_flow(struct nfp_fl_ct_map_entry *ct_map_ent) struct nfp_fl_ct_flow_entry *ct_entry; struct nfp_fl_ct_zone_entry *zt; struct rhashtable *m_table; + struct nf_flowtable *nft; if (!ct_map_ent) return -ENOENT; @@ -2226,8 +2229,12 @@ int nfp_fl_ct_del_flow(struct nfp_fl_ct_map_entry *ct_map_ent) if (ct_map_ent->cookie > 0) kfree(ct_map_ent); - if (!zt->pre_ct_count) { - zt->nft = NULL; + if (!zt->pre_ct_count && zt->nft) { + nft = zt->nft; + zt->nft = NULL; /* avoid deadlock */ + nf_flow_table_offload_del_cb(nft, + nfp_fl_ct_handle_nft_flow, + zt); nfp_fl_ct_clean_nft_entries(zt); } break; diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h index 40372545148e..2b7c947ff4f2 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/main.h +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h @@ -297,6 +297,7 @@ struct nfp_fl_internal_ports { * @predt_list: List to keep track of decap pretun flows * @neigh_table: Table to keep track of neighbor entries * @predt_lock: Lock to serialise predt/neigh table updates + * @nfp_fl_lock: Lock to protect the flow offload operation */ struct nfp_flower_priv { struct nfp_app *app; @@ -339,6 +340,7 @@ struct nfp_flower_priv { struct list_head predt_list; struct rhashtable neigh_table; spinlock_t predt_lock; /* Lock to serialise predt/neigh table updates */ + struct mutex nfp_fl_lock; /* Protect the flow operation */ }; /** diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c index 0f06ef6e24bf..80e4675582bf 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c +++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c @@ -528,6 +528,8 @@ int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, if (err) goto err_free_stats_ctx_table; + mutex_init(&priv->nfp_fl_lock); + err = rhashtable_init(&priv->ct_zone_table, &nfp_zone_table_params); if (err) goto err_free_merge_table; diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index c153f0575b92..0aceef9fe582 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -1009,8 +1009,6 @@ int nfp_flower_merge_offloaded_flows(struct nfp_app *app, u64 parent_ctx = 0; int err; - ASSERT_RTNL(); - if (sub_flow1 == sub_flow2 || nfp_flower_is_merge_flow(sub_flow1) || nfp_flower_is_merge_flow(sub_flow2)) @@ -1727,19 +1725,30 @@ static int nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev, struct flow_cls_offload *flower) { + struct nfp_flower_priv *priv = app->priv; + int ret; + if (!eth_proto_is_802_3(flower->common.protocol)) return -EOPNOTSUPP; + mutex_lock(&priv->nfp_fl_lock); switch (flower->command) { case FLOW_CLS_REPLACE: - return nfp_flower_add_offload(app, netdev, flower); + ret = nfp_flower_add_offload(app, netdev, flower); + break; case FLOW_CLS_DESTROY: - return nfp_flower_del_offload(app, netdev, flower); + ret = nfp_flower_del_offload(app, netdev, flower); + break; case FLOW_CLS_STATS: - return nfp_flower_get_stats(app, netdev, flower); + ret = nfp_flower_get_stats(app, netdev, flower); + break; default: - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + break; } + mutex_unlock(&priv->nfp_fl_lock); + + return ret; } static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type, @@ -1778,6 +1787,7 @@ static int nfp_flower_setup_tc_block(struct net_device *netdev, repr_priv = repr->app_priv; repr_priv->block_shared = f->block_shared; f->driver_block_list = &nfp_block_cb_list; + f->unlocked_driver_cb = true; switch (f->command) { case FLOW_BLOCK_BIND: @@ -1876,6 +1886,8 @@ nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct Qdisc *sch, str nfp_flower_internal_port_can_offload(app, netdev))) return -EOPNOTSUPP; + f->unlocked_driver_cb = true; + switch (f->command) { case FLOW_BLOCK_BIND: cb_priv = nfp_flower_indr_block_cb_priv_lookup(app, netdev); diff --git a/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c b/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c index 99052a925d9e..e7180b4793c7 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/qos_conf.c @@ -523,25 +523,31 @@ int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev, { struct netlink_ext_ack *extack = flow->common.extack; struct nfp_flower_priv *fl_priv = app->priv; + int ret; if (!(fl_priv->flower_ext_feats & NFP_FL_FEATS_VF_RLIM)) { NL_SET_ERR_MSG_MOD(extack, "unsupported offload: loaded firmware does not support qos rate limit offload"); return -EOPNOTSUPP; } + mutex_lock(&fl_priv->nfp_fl_lock); switch (flow->command) { case TC_CLSMATCHALL_REPLACE: - return nfp_flower_install_rate_limiter(app, netdev, flow, - extack); + ret = nfp_flower_install_rate_limiter(app, netdev, flow, extack); + break; case TC_CLSMATCHALL_DESTROY: - return nfp_flower_remove_rate_limiter(app, netdev, flow, - extack); + ret = nfp_flower_remove_rate_limiter(app, netdev, flow, extack); + break; case TC_CLSMATCHALL_STATS: - return nfp_flower_stats_rate_limiter(app, netdev, flow, - extack); + ret = nfp_flower_stats_rate_limiter(app, netdev, flow, extack); + break; default: - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + break; } + mutex_unlock(&fl_priv->nfp_fl_lock); + + return ret; } /* Offload tc action, currently only for tc police */ diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 717a0b3f89bd..ab5ef254a748 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -113,7 +113,10 @@ static void qed_ll2b_complete_tx_packet(void *cxt, static int qed_ll2_alloc_buffer(struct qed_dev *cdev, u8 **data, dma_addr_t *phys_addr) { - *data = kmalloc(cdev->ll2->rx_size, GFP_ATOMIC); + size_t size = cdev->ll2->rx_size + NET_SKB_PAD + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + + *data = kmalloc(size, GFP_ATOMIC); if (!(*data)) { DP_INFO(cdev, "Failed to allocate LL2 buffer data\n"); return -ENOMEM; @@ -2589,7 +2592,7 @@ static int qed_ll2_start(struct qed_dev *cdev, struct qed_ll2_params *params) INIT_LIST_HEAD(&cdev->ll2->list); spin_lock_init(&cdev->ll2->lock); - cdev->ll2->rx_size = NET_SKB_PAD + ETH_HLEN + + cdev->ll2->rx_size = PRM_DMA_PAD_BYTES_NUM + ETH_HLEN + L1_CACHE_BYTES + params->mtu; /* Allocate memory for LL2. diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 6351a2dc13bc..361b90007148 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -4364,7 +4364,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp, unsigned int entry = dirty_tx % NUM_TX_DESC; u32 status; - status = le32_to_cpu(tp->TxDescArray[entry].opts1); + status = le32_to_cpu(READ_ONCE(tp->TxDescArray[entry].opts1)); if (status & DescOwn) break; @@ -4394,7 +4394,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp, * If skb is NULL then we come here again once a tx irq is * triggered after the last fragment is marked transmitted. */ - if (tp->cur_tx != dirty_tx && skb) + if (READ_ONCE(tp->cur_tx) != dirty_tx && skb) rtl8169_doorbell(tp); } } @@ -4427,7 +4427,7 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, int budget dma_addr_t addr; u32 status; - status = le32_to_cpu(desc->opts1); + status = le32_to_cpu(READ_ONCE(desc->opts1)); if (status & DescOwn) break; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 7df9f9f8e134..0ef0b88b7145 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2167,6 +2167,8 @@ static int ravb_close(struct net_device *ndev) of_phy_deregister_fixed_link(np); } + cancel_work_sync(&priv->work); + if (info->multi_irqs) { free_irq(priv->tx_irqs[RAVB_NC], ndev); free_irq(priv->rx_irqs[RAVB_NC], ndev); @@ -2891,8 +2893,6 @@ static int ravb_remove(struct platform_device *pdev) clk_disable_unprepare(priv->gptp_clk); clk_disable_unprepare(priv->refclk); - dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, - priv->desc_bat_dma); /* Set reset mode */ ravb_write(ndev, CCC_OPC_RESET, CCC); unregister_netdev(ndev); @@ -2900,6 +2900,8 @@ static int ravb_remove(struct platform_device *pdev) netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); ravb_mdio_release(priv); + dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, + priv->desc_bat_dma); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); reset_control_assert(priv->rstc); diff --git a/drivers/net/ethernet/renesas/rswitch.c b/drivers/net/ethernet/renesas/rswitch.c index fc01ad3f340d..0fc0b6bea753 100644 --- a/drivers/net/ethernet/renesas/rswitch.c +++ b/drivers/net/ethernet/renesas/rswitch.c @@ -1254,7 +1254,7 @@ static void rswitch_adjust_link(struct net_device *ndev) phy_print_status(phydev); if (phydev->link) phy_power_on(rdev->serdes); - else + else if (rdev->serdes->power_count) phy_power_off(rdev->serdes); rdev->etha->link = phydev->link; @@ -1964,15 +1964,17 @@ static void rswitch_deinit(struct rswitch_private *priv) rswitch_gwca_hw_deinit(priv); rcar_gen4_ptp_unregister(priv->ptp_priv); - for (i = 0; i < RSWITCH_NUM_PORTS; i++) { + rswitch_for_each_enabled_port(priv, i) { struct rswitch_device *rdev = priv->rdev[i]; - phy_exit(priv->rdev[i]->serdes); - rswitch_ether_port_deinit_one(rdev); unregister_netdev(rdev->ndev); - rswitch_device_free(priv, i); + rswitch_ether_port_deinit_one(rdev); + phy_exit(priv->rdev[i]->serdes); } + for (i = 0; i < RSWITCH_NUM_PORTS; i++) + rswitch_device_free(priv, i); + rswitch_gwca_ts_queue_free(priv); rswitch_gwca_linkfix_free(priv); diff --git a/drivers/net/ethernet/sfc/tc.c b/drivers/net/ethernet/sfc/tc.c index 834f000ba1c4..30ebef88248d 100644 --- a/drivers/net/ethernet/sfc/tc.c +++ b/drivers/net/ethernet/sfc/tc.c @@ -629,14 +629,14 @@ static int efx_tc_flower_record_encap_match(struct efx_nic *efx, } if (child_ip_tos_mask != old->child_ip_tos_mask) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Pseudo encap match for TOS mask %#04x conflicts with existing pseudo(MASK) entry for TOS mask %#04x", + "Pseudo encap match for TOS mask %#04x conflicts with existing mask %#04x", child_ip_tos_mask, old->child_ip_tos_mask); return -EEXIST; } if (child_udp_sport_mask != old->child_udp_sport_mask) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Pseudo encap match for UDP src port mask %#x conflicts with existing pseudo(MASK) entry for mask %#x", + "Pseudo encap match for UDP src port mask %#x conflicts with existing mask %#x", child_udp_sport_mask, old->child_udp_sport_mask); return -EEXIST; @@ -1081,7 +1081,7 @@ static int efx_tc_pedit_add(struct efx_nic *efx, struct efx_tc_action_set *act, /* check that we do not decrement ttl twice */ if (!efx_tc_flower_action_order_ok(act, EFX_TC_AO_DEC_TTL)) { - NL_SET_ERR_MSG_MOD(extack, "Unsupported: multiple dec ttl"); + NL_SET_ERR_MSG_MOD(extack, "multiple dec ttl are not supported"); return -EOPNOTSUPP; } act->do_ttl_dec = 1; @@ -1106,7 +1106,7 @@ static int efx_tc_pedit_add(struct efx_nic *efx, struct efx_tc_action_set *act, /* check that we do not decrement hoplimit twice */ if (!efx_tc_flower_action_order_ok(act, EFX_TC_AO_DEC_TTL)) { - NL_SET_ERR_MSG_MOD(extack, "Unsupported: multiple dec ttl"); + NL_SET_ERR_MSG_MOD(extack, "multiple dec ttl are not supported"); return -EOPNOTSUPP; } act->do_ttl_dec = 1; @@ -1120,7 +1120,7 @@ static int efx_tc_pedit_add(struct efx_nic *efx, struct efx_tc_action_set *act, } NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: ttl add action type %x %x %x/%x", + "ttl add action type %x %x %x/%x is not supported", fa->mangle.htype, fa->mangle.offset, fa->mangle.val, fa->mangle.mask); return -EOPNOTSUPP; @@ -1164,7 +1164,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, case 0: if (fa->mangle.mask) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: mask (%#x) of eth.dst32 mangle", + "mask (%#x) of eth.dst32 mangle is not supported", fa->mangle.mask); return -EOPNOTSUPP; } @@ -1184,7 +1184,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, mung->dst_mac_16 = 1; } else { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: mask (%#x) of eth+4 mangle is not high or low 16b", + "mask (%#x) of eth+4 mangle is not high or low 16b", fa->mangle.mask); return -EOPNOTSUPP; } @@ -1192,7 +1192,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, case 8: if (fa->mangle.mask) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: mask (%#x) of eth.src32 mangle", + "mask (%#x) of eth.src32 mangle is not supported", fa->mangle.mask); return -EOPNOTSUPP; } @@ -1201,7 +1201,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, mung->src_mac_32 = 1; return efx_tc_complete_mac_mangle(efx, act, mung, extack); default: - NL_SET_ERR_MSG_FMT_MOD(extack, "Unsupported: mangle eth+%u %x/%x", + NL_SET_ERR_MSG_FMT_MOD(extack, "mangle eth+%u %x/%x is not supported", fa->mangle.offset, fa->mangle.val, fa->mangle.mask); return -EOPNOTSUPP; } @@ -1217,7 +1217,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, /* check that pedit applies to ttl only */ if (fa->mangle.mask != ~EFX_TC_HDR_TYPE_TTL_MASK) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: mask (%#x) out of range, only support mangle action on ipv4.ttl", + "mask (%#x) out of range, only support mangle action on ipv4.ttl", fa->mangle.mask); return -EOPNOTSUPP; } @@ -1227,7 +1227,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, */ if (match->mask.ip_ttl != U8_MAX) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: only support mangle ipv4.ttl when we have an exact match on ttl, mask used for match (%#x)", + "only support mangle ttl when we have an exact match, current mask (%#x)", match->mask.ip_ttl); return -EOPNOTSUPP; } @@ -1237,7 +1237,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, */ if (match->value.ip_ttl == 0) { NL_SET_ERR_MSG_MOD(extack, - "Unsupported: we cannot decrement ttl past 0"); + "decrement ttl past 0 is not supported"); return -EOPNOTSUPP; } @@ -1245,7 +1245,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, if (!efx_tc_flower_action_order_ok(act, EFX_TC_AO_DEC_TTL)) { NL_SET_ERR_MSG_MOD(extack, - "Unsupported: multiple dec ttl"); + "multiple dec ttl is not supported"); return -EOPNOTSUPP; } @@ -1259,7 +1259,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, fallthrough; default: NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: only support mangle on the ttl field (offset is %u)", + "only support mangle on the ttl field (offset is %u)", fa->mangle.offset); return -EOPNOTSUPP; } @@ -1275,7 +1275,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, /* check that pedit applies to ttl only */ if (fa->mangle.mask != EFX_TC_HDR_TYPE_HLIMIT_MASK) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: mask (%#x) out of range, only support mangle action on ipv6.hop_limit", + "mask (%#x) out of range, only support mangle action on ipv6.hop_limit", fa->mangle.mask); return -EOPNOTSUPP; @@ -1286,7 +1286,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, */ if (match->mask.ip_ttl != U8_MAX) { NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: only support mangle ipv6.hop_limit when we have an exact match on ttl, mask used for match (%#x)", + "only support hop_limit when we have an exact match, current mask (%#x)", match->mask.ip_ttl); return -EOPNOTSUPP; } @@ -1296,7 +1296,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, */ if (match->value.ip_ttl == 0) { NL_SET_ERR_MSG_MOD(extack, - "Unsupported: we cannot decrement hop_limit past 0"); + "decrementing hop_limit past 0 is not supported"); return -EOPNOTSUPP; } @@ -1304,7 +1304,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, if (!efx_tc_flower_action_order_ok(act, EFX_TC_AO_DEC_TTL)) { NL_SET_ERR_MSG_MOD(extack, - "Unsupported: multiple dec ttl"); + "multiple dec ttl is not supported"); return -EOPNOTSUPP; } @@ -1318,7 +1318,7 @@ static int efx_tc_mangle(struct efx_nic *efx, struct efx_tc_action_set *act, fallthrough; default: NL_SET_ERR_MSG_FMT_MOD(extack, - "Unsupported: only support mangle on the hop_limit field"); + "only support mangle on the hop_limit field"); return -EOPNOTSUPP; } default: diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index ed1a5a31a491..5801f4d50f95 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1197,6 +1197,17 @@ static int stmmac_init_phy(struct net_device *dev) return ret; } +static void stmmac_set_half_duplex(struct stmmac_priv *priv) +{ + /* Half-Duplex can only work with single tx queue */ + if (priv->plat->tx_queues_to_use > 1) + priv->phylink_config.mac_capabilities &= + ~(MAC_10HD | MAC_100HD | MAC_1000HD); + else + priv->phylink_config.mac_capabilities |= + (MAC_10HD | MAC_100HD | MAC_1000HD); +} + static int stmmac_phy_setup(struct stmmac_priv *priv) { struct stmmac_mdio_bus_data *mdio_bus_data; @@ -1228,10 +1239,7 @@ static int stmmac_phy_setup(struct stmmac_priv *priv) MAC_10FD | MAC_100FD | MAC_1000FD; - /* Half-Duplex can only work with single queue */ - if (priv->plat->tx_queues_to_use <= 1) - priv->phylink_config.mac_capabilities |= MAC_10HD | MAC_100HD | - MAC_1000HD; + stmmac_set_half_duplex(priv); /* Get the MAC specific capabilities */ stmmac_mac_phylink_get_caps(priv); @@ -7172,6 +7180,7 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt) priv->rss.table[i] = ethtool_rxfh_indir_default(i, rx_cnt); + stmmac_set_half_duplex(priv); stmmac_napi_add(dev); if (netif_running(dev)) diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig index 0a3346650e03..cac61f5d3fd4 100644 --- a/drivers/net/ethernet/ti/Kconfig +++ b/drivers/net/ethernet/ti/Kconfig @@ -90,12 +90,16 @@ config TI_CPTS The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the driver offers a PTP Hardware Clock. +config TI_K3_CPPI_DESC_POOL + tristate + config TI_K3_AM65_CPSW_NUSS tristate "TI K3 AM654x/J721E CPSW Ethernet driver" depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER select NET_DEVLINK select TI_DAVINCI_MDIO select PHYLINK + select TI_K3_CPPI_DESC_POOL imply PHY_TI_GMII_SEL depends on TI_K3_AM65_CPTS || !TI_K3_AM65_CPTS help @@ -187,6 +191,7 @@ config TI_ICSSG_PRUETH tristate "TI Gigabit PRU Ethernet driver" select PHYLIB select TI_ICSS_IEP + select TI_K3_CPPI_DESC_POOL depends on PRU_REMOTEPROC depends on ARCH_K3 && OF && TI_K3_UDMA_GLUE_LAYER help diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile index 34fd7a716ba6..67bed861f31d 100644 --- a/drivers/net/ethernet/ti/Makefile +++ b/drivers/net/ethernet/ti/Makefile @@ -24,14 +24,15 @@ keystone_netcp-y := netcp_core.o cpsw_ale.o obj-$(CONFIG_TI_KEYSTONE_NETCP_ETHSS) += keystone_netcp_ethss.o keystone_netcp_ethss-y := netcp_ethss.o netcp_sgmii.o netcp_xgbepcsr.o cpsw_ale.o +obj-$(CONFIG_TI_K3_CPPI_DESC_POOL) += k3-cppi-desc-pool.o + obj-$(CONFIG_TI_K3_AM65_CPSW_NUSS) += ti-am65-cpsw-nuss.o -ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o k3-cppi-desc-pool.o am65-cpsw-qos.o +ti-am65-cpsw-nuss-y := am65-cpsw-nuss.o cpsw_sl.o am65-cpsw-ethtool.o cpsw_ale.o am65-cpsw-qos.o ti-am65-cpsw-nuss-$(CONFIG_TI_K3_AM65_CPSW_SWITCHDEV) += am65-cpsw-switchdev.o obj-$(CONFIG_TI_K3_AM65_CPTS) += am65-cpts.o obj-$(CONFIG_TI_ICSSG_PRUETH) += icssg-prueth.o -icssg-prueth-y := k3-cppi-desc-pool.o \ - icssg/icssg_prueth.o \ +icssg-prueth-y := icssg/icssg_prueth.o \ icssg/icssg_classifier.o \ icssg/icssg_queues.o \ icssg/icssg_config.o \ diff --git a/drivers/net/ethernet/ti/icssg/icssg_config.c b/drivers/net/ethernet/ti/icssg/icssg_config.c index 933b84666574..b272361e378f 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_config.c +++ b/drivers/net/ethernet/ti/icssg/icssg_config.c @@ -379,9 +379,9 @@ int icssg_config(struct prueth *prueth, struct prueth_emac *emac, int slice) /* Bitmask for ICSSG r30 commands */ static const struct icssg_r30_cmd emac_r32_bitmask[] = { - {{0xffff0004, 0xffff0100, 0xffff0100, EMAC_NONE}}, /* EMAC_PORT_DISABLE */ + {{0xffff0004, 0xffff0100, 0xffff0004, EMAC_NONE}}, /* EMAC_PORT_DISABLE */ {{0xfffb0040, 0xfeff0200, 0xfeff0200, EMAC_NONE}}, /* EMAC_PORT_BLOCK */ - {{0xffbb0000, 0xfcff0000, 0xdcff0000, EMAC_NONE}}, /* EMAC_PORT_FORWARD */ + {{0xffbb0000, 0xfcff0000, 0xdcfb0000, EMAC_NONE}}, /* EMAC_PORT_FORWARD */ {{0xffbb0000, 0xfcff0000, 0xfcff2000, EMAC_NONE}}, /* EMAC_PORT_FORWARD_WO_LEARNING */ {{0xffff0001, EMAC_NONE, EMAC_NONE, EMAC_NONE}}, /* ACCEPT ALL */ {{0xfffe0002, EMAC_NONE, EMAC_NONE, EMAC_NONE}}, /* ACCEPT TAGGED */ diff --git a/drivers/net/ethernet/ti/icssg/icssg_stats.c b/drivers/net/ethernet/ti/icssg/icssg_stats.c index bb0b33927e3b..3dbadddd7e35 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_stats.c +++ b/drivers/net/ethernet/ti/icssg/icssg_stats.c @@ -9,6 +9,9 @@ #include "icssg_stats.h" #include <linux/regmap.h> +#define ICSSG_TX_PACKET_OFFSET 0xA0 +#define ICSSG_TX_BYTE_OFFSET 0xEC + static u32 stats_base[] = { 0x54c, /* Slice 0 stats start */ 0xb18, /* Slice 1 stats start */ }; @@ -18,6 +21,7 @@ void emac_update_hardware_stats(struct prueth_emac *emac) struct prueth *prueth = emac->prueth; int slice = prueth_emac_slice(emac); u32 base = stats_base[slice]; + u32 tx_pkt_cnt = 0; u32 val; int i; @@ -29,7 +33,12 @@ void emac_update_hardware_stats(struct prueth_emac *emac) base + icssg_all_stats[i].offset, val); + if (icssg_all_stats[i].offset == ICSSG_TX_PACKET_OFFSET) + tx_pkt_cnt = val; + emac->stats[i] += val; + if (icssg_all_stats[i].offset == ICSSG_TX_BYTE_OFFSET) + emac->stats[i] -= tx_pkt_cnt * 8; } } diff --git a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c index 38cc12f9f133..05cc7aab1ec8 100644 --- a/drivers/net/ethernet/ti/k3-cppi-desc-pool.c +++ b/drivers/net/ethernet/ti/k3-cppi-desc-pool.c @@ -39,6 +39,7 @@ void k3_cppi_desc_pool_destroy(struct k3_cppi_desc_pool *pool) gen_pool_destroy(pool->gen_pool); /* frees pool->name */ } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_destroy); struct k3_cppi_desc_pool * k3_cppi_desc_pool_create_name(struct device *dev, size_t size, @@ -98,29 +99,38 @@ gen_pool_create_fail: devm_kfree(pool->dev, pool); return ERR_PTR(ret); } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_create_name); dma_addr_t k3_cppi_desc_pool_virt2dma(struct k3_cppi_desc_pool *pool, void *addr) { return addr ? pool->dma_addr + (addr - pool->cpumem) : 0; } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_virt2dma); void *k3_cppi_desc_pool_dma2virt(struct k3_cppi_desc_pool *pool, dma_addr_t dma) { return dma ? pool->cpumem + (dma - pool->dma_addr) : NULL; } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_dma2virt); void *k3_cppi_desc_pool_alloc(struct k3_cppi_desc_pool *pool) { return (void *)gen_pool_alloc(pool->gen_pool, pool->desc_size); } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_alloc); void k3_cppi_desc_pool_free(struct k3_cppi_desc_pool *pool, void *addr) { gen_pool_free(pool->gen_pool, (unsigned long)addr, pool->desc_size); } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_free); size_t k3_cppi_desc_pool_avail(struct k3_cppi_desc_pool *pool) { return gen_pool_avail(pool->gen_pool) / pool->desc_size; } +EXPORT_SYMBOL_GPL(k3_cppi_desc_pool_avail); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("TI K3 CPPI5 descriptors pool API"); diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index dc14a66583ff..44488c153ea2 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -1217,7 +1217,7 @@ static int gelic_wl_set_encodeext(struct net_device *netdev, key_index = wl->current_key; if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) { - /* reques to change default key index */ + /* request to change default key index */ pr_debug("%s: request to change default key to %d\n", __func__, key_index); wl->current_key = key_index; diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 144ec626230d..b22596b18ee8 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -872,8 +872,9 @@ static int gtp_build_skb_ip4(struct sk_buff *skb, struct net_device *dev, skb_dst_update_pmtu_no_confirm(skb, mtu); - if (!skb_is_gso(skb) && (iph->frag_off & htons(IP_DF)) && - mtu < ntohs(iph->tot_len)) { + if (iph->frag_off & htons(IP_DF) && + ((!skb_is_gso(skb) && skb->len > mtu) || + (skb_is_gso(skb) && !skb_gso_validate_network_len(skb, mtu)))) { netdev_dbg(dev, "packet too big, fragmentation needed\n"); icmp_ndo_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c index a03490ba2e5b..cc7ddc40020f 100644 --- a/drivers/net/ieee802154/adf7242.c +++ b/drivers/net/ieee802154/adf7242.c @@ -1162,9 +1162,10 @@ static int adf7242_stats_show(struct seq_file *file, void *offset) static void adf7242_debugfs_init(struct adf7242_local *lp) { - char debugfs_dir_name[DNAME_INLINE_LEN + 1] = "adf7242-"; + char debugfs_dir_name[DNAME_INLINE_LEN + 1]; - strncat(debugfs_dir_name, dev_name(&lp->spi->dev), DNAME_INLINE_LEN); + snprintf(debugfs_dir_name, sizeof(debugfs_dir_name), + "adf7242-%s", dev_name(&lp->spi->dev)); lp->debugfs_root = debugfs_create_dir(debugfs_dir_name, NULL); diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index aebb19f1b3a4..4ec0dab38872 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -2740,7 +2740,6 @@ static int ca8210_register_ext_clock(struct spi_device *spi) struct device_node *np = spi->dev.of_node; struct ca8210_priv *priv = spi_get_drvdata(spi); struct ca8210_platform_data *pdata = spi->dev.platform_data; - int ret = 0; if (!np) return -EFAULT; @@ -2757,18 +2756,8 @@ static int ca8210_register_ext_clock(struct spi_device *spi) dev_crit(&spi->dev, "Failed to register external clk\n"); return PTR_ERR(priv->clk); } - ret = of_clk_add_provider(np, of_clk_src_simple_get, priv->clk); - if (ret) { - clk_unregister(priv->clk); - dev_crit( - &spi->dev, - "Failed to register external clock as clock provider\n" - ); - } else { - dev_info(&spi->dev, "External clock set as clock provider\n"); - } - return ret; + return of_clk_add_provider(np, of_clk_src_simple_get, priv->clk); } /** @@ -2780,8 +2769,8 @@ static void ca8210_unregister_ext_clock(struct spi_device *spi) { struct ca8210_priv *priv = spi_get_drvdata(spi); - if (!priv->clk) - return + if (IS_ERR_OR_NULL(priv->clk)) + return; of_clk_del_provider(spi->dev.of_node); clk_unregister(priv->clk); diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index b7e151439c48..c5cd4551c67c 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -2383,6 +2383,7 @@ static int macsec_upd_txsa(struct sk_buff *skb, struct genl_info *info) ctx.sa.assoc_num = assoc_num; ctx.sa.tx_sa = tx_sa; + ctx.sa.update_pn = !!prev_pn.full64; ctx.secy = secy; ret = macsec_offload(ops->mdo_upd_txsa, &ctx); @@ -2476,6 +2477,7 @@ static int macsec_upd_rxsa(struct sk_buff *skb, struct genl_info *info) ctx.sa.assoc_num = assoc_num; ctx.sa.rx_sa = rx_sa; + ctx.sa.update_pn = !!prev_pn.full64; ctx.secy = secy; ret = macsec_offload(ops->mdo_upd_rxsa, &ctx); diff --git a/drivers/net/mdio/mdio-mux.c b/drivers/net/mdio/mdio-mux.c index a881e3523328..bef4cce71287 100644 --- a/drivers/net/mdio/mdio-mux.c +++ b/drivers/net/mdio/mdio-mux.c @@ -55,6 +55,27 @@ out: return r; } +static int mdio_mux_read_c45(struct mii_bus *bus, int phy_id, int dev_addr, + int regnum) +{ + struct mdio_mux_child_bus *cb = bus->priv; + struct mdio_mux_parent_bus *pb = cb->parent; + int r; + + mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX); + r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data); + if (r) + goto out; + + pb->current_child = cb->bus_number; + + r = pb->mii_bus->read_c45(pb->mii_bus, phy_id, dev_addr, regnum); +out: + mutex_unlock(&pb->mii_bus->mdio_lock); + + return r; +} + /* * The parent bus' lock is used to order access to the switch_fn. */ @@ -80,6 +101,28 @@ out: return r; } +static int mdio_mux_write_c45(struct mii_bus *bus, int phy_id, int dev_addr, + int regnum, u16 val) +{ + struct mdio_mux_child_bus *cb = bus->priv; + struct mdio_mux_parent_bus *pb = cb->parent; + + int r; + + mutex_lock_nested(&pb->mii_bus->mdio_lock, MDIO_MUTEX_MUX); + r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data); + if (r) + goto out; + + pb->current_child = cb->bus_number; + + r = pb->mii_bus->write_c45(pb->mii_bus, phy_id, dev_addr, regnum, val); +out: + mutex_unlock(&pb->mii_bus->mdio_lock); + + return r; +} + static int parent_count; static void mdio_mux_uninit_children(struct mdio_mux_parent_bus *pb) @@ -173,6 +216,10 @@ int mdio_mux_init(struct device *dev, cb->mii_bus->parent = dev; cb->mii_bus->read = mdio_mux_read; cb->mii_bus->write = mdio_mux_write; + if (parent_bus->read_c45) + cb->mii_bus->read_c45 = mdio_mux_read_c45; + if (parent_bus->write_c45) + cb->mii_bus->write_c45 = mdio_mux_write_c45; r = of_mdiobus_register(cb->mii_bus, child_bus_node); if (r) { mdiobus_free(cb->mii_bus); diff --git a/drivers/net/phy/bcm7xxx.c b/drivers/net/phy/bcm7xxx.c index 8478b081c058..97638ba7ae85 100644 --- a/drivers/net/phy/bcm7xxx.c +++ b/drivers/net/phy/bcm7xxx.c @@ -894,6 +894,9 @@ static int bcm7xxx_28nm_probe(struct phy_device *phydev) .name = _name, \ /* PHY_BASIC_FEATURES */ \ .flags = PHY_IS_INTERNAL, \ + .get_sset_count = bcm_phy_get_sset_count, \ + .get_strings = bcm_phy_get_strings, \ + .get_stats = bcm7xxx_28nm_get_phy_stats, \ .probe = bcm7xxx_28nm_probe, \ .config_init = bcm7xxx_16nm_ephy_config_init, \ .config_aneg = genphy_config_aneg, \ diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c index 018253a573b8..4f39ba63a9a9 100644 --- a/drivers/net/phy/mscc/mscc_macsec.c +++ b/drivers/net/phy/mscc/mscc_macsec.c @@ -849,6 +849,9 @@ static int vsc8584_macsec_upd_rxsa(struct macsec_context *ctx) struct macsec_flow *flow; int ret; + if (ctx->sa.update_pn) + return -EINVAL; + flow = vsc8584_macsec_find_flow(ctx, MACSEC_INGR); if (IS_ERR(flow)) return PTR_ERR(flow); @@ -900,6 +903,9 @@ static int vsc8584_macsec_upd_txsa(struct macsec_context *ctx) struct macsec_flow *flow; int ret; + if (ctx->sa.update_pn) + return -EINVAL; + flow = vsc8584_macsec_find_flow(ctx, MACSEC_EGR); if (IS_ERR(flow)) return PTR_ERR(flow); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 89ab9efe522c..afa5497f7c35 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -3073,10 +3073,11 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, struct net *net = sock_net(&tfile->sk); struct tun_struct *tun; void __user* argp = (void __user*)arg; - unsigned int ifindex, carrier; + unsigned int carrier; struct ifreq ifr; kuid_t owner; kgid_t group; + int ifindex; int sndbuf; int vnet_hdr_sz; int le; @@ -3132,7 +3133,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, ret = -EFAULT; if (copy_from_user(&ifindex, argp, sizeof(ifindex))) goto unlock; - + ret = -EINVAL; + if (ifindex < 0) + goto unlock; ret = 0; tfile->ifindex = ifindex; goto unlock; diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 48d7d278631e..99ec1d4a972d 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -222,13 +222,18 @@ static int dm9601_mdio_read(struct net_device *netdev, int phy_id, int loc) struct usbnet *dev = netdev_priv(netdev); __le16 res; + int err; if (phy_id) { netdev_dbg(dev->net, "Only internal phy supported\n"); return 0; } - dm_read_shared_word(dev, 1, loc, &res); + err = dm_read_shared_word(dev, 1, loc, &res); + if (err < 0) { + netdev_err(dev->net, "MDIO read error: %d\n", err); + return err; + } netdev_dbg(dev->net, "dm9601_mdio_read() phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n", diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 0c13d9950cd8..afb20c0ed688 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -764,7 +764,7 @@ enum rtl_register_content { /* rtl8152 flags */ enum rtl8152_flags { - RTL8152_UNPLUG = 0, + RTL8152_INACCESSIBLE = 0, RTL8152_SET_RX_MODE, WORK_ENABLE, RTL8152_LINK_CHG, @@ -773,6 +773,9 @@ enum rtl8152_flags { SCHEDULE_TASKLET, GREEN_ETHERNET, RX_EPROTO, + IN_PRE_RESET, + PROBED_WITH_NO_ERRORS, + PROBE_SHOULD_RETRY, }; #define DEVICE_ID_LENOVO_USB_C_TRAVEL_HUB 0x721e @@ -953,6 +956,8 @@ struct r8152 { u8 version; u8 duplex; u8 autoneg; + + unsigned int reg_access_reset_count; }; /** @@ -1200,6 +1205,96 @@ static unsigned int agg_buf_sz = 16384; #define RTL_LIMITED_TSO_SIZE (size_to_mtu(agg_buf_sz) - sizeof(struct tx_desc)) +/* If register access fails then we block access and issue a reset. If this + * happens too many times in a row without a successful access then we stop + * trying to reset and just leave access blocked. + */ +#define REGISTER_ACCESS_MAX_RESETS 3 + +static void rtl_set_inaccessible(struct r8152 *tp) +{ + set_bit(RTL8152_INACCESSIBLE, &tp->flags); + smp_mb__after_atomic(); +} + +static void rtl_set_accessible(struct r8152 *tp) +{ + clear_bit(RTL8152_INACCESSIBLE, &tp->flags); + smp_mb__after_atomic(); +} + +static +int r8152_control_msg(struct r8152 *tp, unsigned int pipe, __u8 request, + __u8 requesttype, __u16 value, __u16 index, void *data, + __u16 size, const char *msg_tag) +{ + struct usb_device *udev = tp->udev; + int ret; + + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return -ENODEV; + + ret = usb_control_msg(udev, pipe, request, requesttype, + value, index, data, size, + USB_CTRL_GET_TIMEOUT); + + /* No need to issue a reset to report an error if the USB device got + * unplugged; just return immediately. + */ + if (ret == -ENODEV) + return ret; + + /* If the write was successful then we're done */ + if (ret >= 0) { + tp->reg_access_reset_count = 0; + return ret; + } + + dev_err(&udev->dev, + "Failed to %s %d bytes at %#06x/%#06x (%d)\n", + msg_tag, size, value, index, ret); + + /* Block all future register access until we reset. Much of the code + * in the driver doesn't check for errors. Notably, many parts of the + * driver do a read/modify/write of a register value without + * confirming that the read succeeded. Writing back modified garbage + * like this can fully wedge the adapter, requiring a power cycle. + */ + rtl_set_inaccessible(tp); + + /* If probe hasn't yet finished, then we'll request a retry of the + * whole probe routine if we get any control transfer errors. We + * never have to clear this bit since we free/reallocate the whole "tp" + * structure if we retry probe. + */ + if (!test_bit(PROBED_WITH_NO_ERRORS, &tp->flags)) { + set_bit(PROBE_SHOULD_RETRY, &tp->flags); + return ret; + } + + /* Failing to access registers in pre-reset is not surprising since we + * wouldn't be resetting if things were behaving normally. The register + * access we do in pre-reset isn't truly mandatory--we're just reusing + * the disable() function and trying to be nice by powering the + * adapter down before resetting it. Thus, if we're in pre-reset, + * we'll return right away and not try to queue up yet another reset. + * We know the post-reset is already coming. + */ + if (test_bit(IN_PRE_RESET, &tp->flags)) + return ret; + + if (tp->reg_access_reset_count < REGISTER_ACCESS_MAX_RESETS) { + usb_queue_reset_device(tp->intf); + tp->reg_access_reset_count++; + } else if (tp->reg_access_reset_count == REGISTER_ACCESS_MAX_RESETS) { + dev_err(&udev->dev, + "Tried to reset %d times; giving up.\n", + REGISTER_ACCESS_MAX_RESETS); + } + + return ret; +} + static int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { @@ -1210,9 +1305,10 @@ int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) if (!tmp) return -ENOMEM; - ret = usb_control_msg(tp->udev, tp->pipe_ctrl_in, - RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, - value, index, tmp, size, 500); + ret = r8152_control_msg(tp, tp->pipe_ctrl_in, + RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, + value, index, tmp, size, "read"); + if (ret < 0) memset(data, 0xff, size); else @@ -1233,9 +1329,9 @@ int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) if (!tmp) return -ENOMEM; - ret = usb_control_msg(tp->udev, tp->pipe_ctrl_out, - RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, - value, index, tmp, size, 500); + ret = r8152_control_msg(tp, tp->pipe_ctrl_out, + RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, + value, index, tmp, size, "write"); kfree(tmp); @@ -1244,10 +1340,8 @@ int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) static void rtl_set_unplug(struct r8152 *tp) { - if (tp->udev->state == USB_STATE_NOTATTACHED) { - set_bit(RTL8152_UNPLUG, &tp->flags); - smp_mb__after_atomic(); - } + if (tp->udev->state == USB_STATE_NOTATTACHED) + rtl_set_inaccessible(tp); } static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, @@ -1256,7 +1350,7 @@ static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, u16 limit = 64; int ret = 0; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; /* both size and indix must be 4 bytes align */ @@ -1300,7 +1394,7 @@ static int generic_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 byteen_start, byteen_end, byen; u16 limit = 512; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; /* both size and indix must be 4 bytes align */ @@ -1537,7 +1631,7 @@ static int read_mii_word(struct net_device *netdev, int phy_id, int reg) struct r8152 *tp = netdev_priv(netdev); int ret; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; if (phy_id != R8152_PHY_ID) @@ -1553,7 +1647,7 @@ void write_mii_word(struct net_device *netdev, int phy_id, int reg, int val) { struct r8152 *tp = netdev_priv(netdev); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; if (phy_id != R8152_PHY_ID) @@ -1758,7 +1852,7 @@ static void read_bulk_callback(struct urb *urb) if (!tp) return; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; if (!test_bit(WORK_ENABLE, &tp->flags)) @@ -1850,7 +1944,7 @@ static void write_bulk_callback(struct urb *urb) if (!test_bit(WORK_ENABLE, &tp->flags)) return; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; if (!skb_queue_empty(&tp->tx_queue)) @@ -1871,7 +1965,7 @@ static void intr_callback(struct urb *urb) if (!test_bit(WORK_ENABLE, &tp->flags)) return; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; switch (status) { @@ -2615,7 +2709,7 @@ static void bottom_half(struct tasklet_struct *t) { struct r8152 *tp = from_tasklet(tp, t, tx_tl); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; if (!test_bit(WORK_ENABLE, &tp->flags)) @@ -2658,7 +2752,7 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) int ret; /* The rx would be stopped, so skip submitting */ - if (test_bit(RTL8152_UNPLUG, &tp->flags) || + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags) || !test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev)) return 0; @@ -3058,7 +3152,7 @@ static int rtl_enable(struct r8152 *tp) static int rtl8152_enable(struct r8152 *tp) { - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; set_tx_qlen(tp); @@ -3145,7 +3239,7 @@ static int rtl8153_enable(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; set_tx_qlen(tp); @@ -3177,7 +3271,7 @@ static void rtl_disable(struct r8152 *tp) u32 ocp_data; int i; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) { rtl_drop_queued_tx(tp); return; } @@ -3631,7 +3725,7 @@ static u16 r8153_phy_status(struct r8152 *tp, u16 desired) } msleep(20); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) break; } @@ -3663,6 +3757,8 @@ static void r8153b_ups_en(struct r8152 *tp, bool enable) int i; for (i = 0; i < 500; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return; if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) & AUTOLOAD_DONE) break; @@ -3703,6 +3799,8 @@ static void r8153c_ups_en(struct r8152 *tp, bool enable) int i; for (i = 0; i < 500; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return; if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_BOOT_CTRL) & AUTOLOAD_DONE) break; @@ -4046,6 +4144,9 @@ static int rtl_phy_patch_request(struct r8152 *tp, bool request, bool wait) for (i = 0; wait && i < 5000; i++) { u32 ocp_data; + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return -ENODEV; + usleep_range(1000, 2000); ocp_data = ocp_reg_read(tp, OCP_PHY_PATCH_STAT); if ((ocp_data & PATCH_READY) ^ check) @@ -6002,7 +6103,7 @@ static int rtl8156_enable(struct r8152 *tp) u32 ocp_data; u16 speed; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; r8156_fc_parameter(tp); @@ -6060,7 +6161,7 @@ static int rtl8156b_enable(struct r8152 *tp) u32 ocp_data; u16 speed; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; set_tx_qlen(tp); @@ -6246,7 +6347,7 @@ out: static void rtl8152_up(struct r8152 *tp) { - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8152_aldps_en(tp, false); @@ -6256,7 +6357,7 @@ static void rtl8152_up(struct r8152 *tp) static void rtl8152_down(struct r8152 *tp) { - if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) { rtl_drop_queued_tx(tp); return; } @@ -6271,7 +6372,7 @@ static void rtl8153_up(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153_u1u2en(tp, false); @@ -6311,7 +6412,7 @@ static void rtl8153_down(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) { rtl_drop_queued_tx(tp); return; } @@ -6332,7 +6433,7 @@ static void rtl8153b_up(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153b_u1u2en(tp, false); @@ -6356,7 +6457,7 @@ static void rtl8153b_down(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) { rtl_drop_queued_tx(tp); return; } @@ -6393,7 +6494,7 @@ static void rtl8153c_up(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153b_u1u2en(tp, false); @@ -6474,7 +6575,7 @@ static void rtl8156_up(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153b_u1u2en(tp, false); @@ -6547,7 +6648,7 @@ static void rtl8156_down(struct r8152 *tp) { u32 ocp_data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) { rtl_drop_queued_tx(tp); return; } @@ -6685,7 +6786,7 @@ static void rtl_work_func_t(struct work_struct *work) /* If the device is unplugged or !netif_running(), the workqueue * doesn't need to wake the device, and could return directly. */ - if (test_bit(RTL8152_UNPLUG, &tp->flags) || !netif_running(tp->netdev)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags) || !netif_running(tp->netdev)) return; if (usb_autopm_get_interface(tp->intf) < 0) @@ -6724,7 +6825,7 @@ static void rtl_hw_phy_work_func_t(struct work_struct *work) { struct r8152 *tp = container_of(work, struct r8152, hw_phy_work.work); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; if (usb_autopm_get_interface(tp->intf) < 0) @@ -6851,7 +6952,7 @@ static int rtl8152_close(struct net_device *netdev) netif_stop_queue(netdev); res = usb_autopm_get_interface(tp->intf); - if (res < 0 || test_bit(RTL8152_UNPLUG, &tp->flags)) { + if (res < 0 || test_bit(RTL8152_INACCESSIBLE, &tp->flags)) { rtl_drop_queued_tx(tp); rtl_stop_rx(tp); } else { @@ -6884,7 +6985,7 @@ static void r8152b_init(struct r8152 *tp) u32 ocp_data; u16 data; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; data = r8152_mdio_read(tp, MII_BMCR); @@ -6928,7 +7029,7 @@ static void r8153_init(struct r8152 *tp) u16 data; int i; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153_u1u2en(tp, false); @@ -6939,7 +7040,7 @@ static void r8153_init(struct r8152 *tp) break; msleep(20); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) break; } @@ -7068,7 +7169,7 @@ static void r8153b_init(struct r8152 *tp) u16 data; int i; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153b_u1u2en(tp, false); @@ -7079,7 +7180,7 @@ static void r8153b_init(struct r8152 *tp) break; msleep(20); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) break; } @@ -7150,7 +7251,7 @@ static void r8153c_init(struct r8152 *tp) u16 data; int i; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153b_u1u2en(tp, false); @@ -7170,7 +7271,7 @@ static void r8153c_init(struct r8152 *tp) break; msleep(20); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; } @@ -7999,7 +8100,7 @@ static void r8156_init(struct r8152 *tp) u16 data; int i; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_ECM_OP); @@ -8020,7 +8121,7 @@ static void r8156_init(struct r8152 *tp) break; msleep(20); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; } @@ -8095,7 +8196,7 @@ static void r8156b_init(struct r8152 *tp) u16 data; int i; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_ECM_OP); @@ -8129,7 +8230,7 @@ static void r8156b_init(struct r8152 *tp) break; msleep(20); - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; } @@ -8255,7 +8356,7 @@ static int rtl8152_pre_reset(struct usb_interface *intf) struct r8152 *tp = usb_get_intfdata(intf); struct net_device *netdev; - if (!tp) + if (!tp || !test_bit(PROBED_WITH_NO_ERRORS, &tp->flags)) return 0; netdev = tp->netdev; @@ -8270,7 +8371,9 @@ static int rtl8152_pre_reset(struct usb_interface *intf) napi_disable(&tp->napi); if (netif_carrier_ok(netdev)) { mutex_lock(&tp->control); + set_bit(IN_PRE_RESET, &tp->flags); tp->rtl_ops.disable(tp); + clear_bit(IN_PRE_RESET, &tp->flags); mutex_unlock(&tp->control); } @@ -8283,9 +8386,11 @@ static int rtl8152_post_reset(struct usb_interface *intf) struct net_device *netdev; struct sockaddr sa; - if (!tp) + if (!tp || !test_bit(PROBED_WITH_NO_ERRORS, &tp->flags)) return 0; + rtl_set_accessible(tp); + /* reset the MAC address in case of policy change */ if (determine_ethernet_addr(tp, &sa) >= 0) { rtnl_lock(); @@ -9158,7 +9263,7 @@ static int rtl8152_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd) struct mii_ioctl_data *data = if_mii(rq); int res; - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return -ENODEV; res = usb_autopm_get_interface(tp->intf); @@ -9260,7 +9365,7 @@ static const struct net_device_ops rtl8152_netdev_ops = { static void rtl8152_unload(struct r8152 *tp) { - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; if (tp->version != RTL_VER_01) @@ -9269,7 +9374,7 @@ static void rtl8152_unload(struct r8152 *tp) static void rtl8153_unload(struct r8152 *tp) { - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153_power_cut_en(tp, false); @@ -9277,7 +9382,7 @@ static void rtl8153_unload(struct r8152 *tp) static void rtl8153b_unload(struct r8152 *tp) { - if (test_bit(RTL8152_UNPLUG, &tp->flags)) + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) return; r8153b_power_cut_en(tp, false); @@ -9487,16 +9592,29 @@ static u8 __rtl_get_hw_ver(struct usb_device *udev) __le32 *tmp; u8 version; int ret; + int i; tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); if (!tmp) return 0; - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, - PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); - if (ret > 0) - ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK; + /* Retry up to 3 times in case there is a transitory error. We do this + * since retrying a read of the version is always safe and this + * function doesn't take advantage of r8152_control_msg(). + */ + for (i = 0; i < 3; i++) { + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), + RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, + PLA_TCR0, MCU_TYPE_PLA, tmp, sizeof(*tmp), + USB_CTRL_GET_TIMEOUT); + if (ret > 0) { + ocp_data = (__le32_to_cpu(*tmp) >> 16) & VERSION_MASK; + break; + } + } + + if (i != 0 && ret > 0) + dev_warn(&udev->dev, "Needed %d retries to read version\n", i); kfree(tmp); @@ -9595,25 +9713,14 @@ static bool rtl8152_supports_lenovo_macpassthru(struct usb_device *udev) return 0; } -static int rtl8152_probe(struct usb_interface *intf, - const struct usb_device_id *id) +static int rtl8152_probe_once(struct usb_interface *intf, + const struct usb_device_id *id, u8 version) { struct usb_device *udev = interface_to_usbdev(intf); struct r8152 *tp; struct net_device *netdev; - u8 version; int ret; - if (intf->cur_altsetting->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) - return -ENODEV; - - if (!rtl_check_vendor_ok(intf)) - return -ENODEV; - - version = rtl8152_get_version(intf); - if (version == RTL_VER_UNKNOWN) - return -ENODEV; - usb_reset_device(udev); netdev = alloc_etherdev(sizeof(struct r8152)); if (!netdev) { @@ -9776,18 +9883,68 @@ static int rtl8152_probe(struct usb_interface *intf, else device_set_wakeup_enable(&udev->dev, false); + /* If we saw a control transfer error while probing then we may + * want to try probe() again. Consider this an error. + */ + if (test_bit(PROBE_SHOULD_RETRY, &tp->flags)) + goto out2; + + set_bit(PROBED_WITH_NO_ERRORS, &tp->flags); netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION); return 0; +out2: + unregister_netdev(netdev); + out1: tasklet_kill(&tp->tx_tl); + cancel_delayed_work_sync(&tp->hw_phy_work); + if (tp->rtl_ops.unload) + tp->rtl_ops.unload(tp); + rtl8152_release_firmware(tp); usb_set_intfdata(intf, NULL); out: + if (test_bit(PROBE_SHOULD_RETRY, &tp->flags)) + ret = -EAGAIN; + free_netdev(netdev); return ret; } +#define RTL8152_PROBE_TRIES 3 + +static int rtl8152_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + u8 version; + int ret; + int i; + + if (intf->cur_altsetting->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC) + return -ENODEV; + + if (!rtl_check_vendor_ok(intf)) + return -ENODEV; + + version = rtl8152_get_version(intf); + if (version == RTL_VER_UNKNOWN) + return -ENODEV; + + for (i = 0; i < RTL8152_PROBE_TRIES; i++) { + ret = rtl8152_probe_once(intf, id, version); + if (ret != -EAGAIN) + break; + } + if (ret == -EAGAIN) { + dev_err(&intf->dev, + "r8152 failed probe after %d tries; giving up\n", i); + return -ENODEV; + } + + return ret; +} + static void rtl8152_disconnect(struct usb_interface *intf) { struct r8152 *tp = usb_get_intfdata(intf); diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 563ecd27b93e..a530f20ee257 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -95,7 +95,9 @@ static int __must_check smsc95xx_read_reg(struct usbnet *dev, u32 index, ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0, index, &buf, 4); - if (ret < 0) { + if (ret < 4) { + ret = ret < 0 ? ret : -ENODATA; + if (ret != -ENODEV) netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n", index, ret); @@ -897,7 +899,7 @@ static int smsc95xx_reset(struct usbnet *dev) if (timeout >= 100) { netdev_warn(dev->net, "timeout waiting for completion of Lite Reset\n"); - return ret; + return -ETIMEDOUT; } ret = smsc95xx_set_mac_address(dev); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fe7f314d65c9..d67f742fbd4c 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -607,16 +607,16 @@ static void virtnet_rq_unmap(struct receive_queue *rq, void *buf, u32 len) --dma->ref; - if (dma->ref) { - if (dma->need_sync && len) { - offset = buf - (head + sizeof(*dma)); + if (dma->need_sync && len) { + offset = buf - (head + sizeof(*dma)); - virtqueue_dma_sync_single_range_for_cpu(rq->vq, dma->addr, offset, - len, DMA_FROM_DEVICE); - } + virtqueue_dma_sync_single_range_for_cpu(rq->vq, dma->addr, + offset, len, + DMA_FROM_DEVICE); + } + if (dma->ref) return; - } virtqueue_dma_unmap_single_attrs(rq->vq, dma->addr, dma->len, DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC); diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.c b/drivers/net/wwan/iosm/iosm_ipc_imem.c index 635301d677e1..829515a601b3 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_imem.c +++ b/drivers/net/wwan/iosm/iosm_ipc_imem.c @@ -4,7 +4,6 @@ */ #include <linux/delay.h> -#include <linux/pm_runtime.h> #include "iosm_ipc_chnl_cfg.h" #include "iosm_ipc_devlink.h" @@ -632,11 +631,6 @@ static void ipc_imem_run_state_worker(struct work_struct *instance) /* Complete all memory stores after setting bit */ smp_mb__after_atomic(); - if (ipc_imem->pcie->pci->device == INTEL_CP_DEVICE_7560_ID) { - pm_runtime_mark_last_busy(ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_imem->dev); - } - return; err_ipc_mux_deinit: @@ -1240,7 +1234,6 @@ void ipc_imem_cleanup(struct iosm_imem *ipc_imem) /* forward MDM_NOT_READY to listeners */ ipc_uevent_send(ipc_imem->dev, UEVENT_MDM_NOT_READY); - pm_runtime_get_sync(ipc_imem->dev); hrtimer_cancel(&ipc_imem->td_alloc_timer); hrtimer_cancel(&ipc_imem->tdupdate_timer); @@ -1426,16 +1419,6 @@ struct iosm_imem *ipc_imem_init(struct iosm_pcie *pcie, unsigned int device_id, set_bit(IOSM_DEVLINK_INIT, &ipc_imem->flag); } - - if (!pm_runtime_enabled(ipc_imem->dev)) - pm_runtime_enable(ipc_imem->dev); - - pm_runtime_set_autosuspend_delay(ipc_imem->dev, - IPC_MEM_AUTO_SUSPEND_DELAY_MS); - pm_runtime_use_autosuspend(ipc_imem->dev); - pm_runtime_allow(ipc_imem->dev); - pm_runtime_mark_last_busy(ipc_imem->dev); - return ipc_imem; devlink_channel_fail: ipc_devlink_deinit(ipc_imem->ipc_devlink); diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.h b/drivers/net/wwan/iosm/iosm_ipc_imem.h index 0144b45e2afb..5664ac507c90 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_imem.h +++ b/drivers/net/wwan/iosm/iosm_ipc_imem.h @@ -103,8 +103,6 @@ struct ipc_chnl_cfg; #define FULLY_FUNCTIONAL 0 #define IOSM_DEVLINK_INIT 1 -#define IPC_MEM_AUTO_SUSPEND_DELAY_MS 5000 - /* List of the supported UL/DL pipes. */ enum ipc_mem_pipes { IPC_MEM_PIPE_0 = 0, diff --git a/drivers/net/wwan/iosm/iosm_ipc_pcie.c b/drivers/net/wwan/iosm/iosm_ipc_pcie.c index 3a259c9abefd..04517bd3325a 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_pcie.c +++ b/drivers/net/wwan/iosm/iosm_ipc_pcie.c @@ -6,7 +6,6 @@ #include <linux/acpi.h> #include <linux/bitfield.h> #include <linux/module.h> -#include <linux/pm_runtime.h> #include <net/rtnetlink.h> #include "iosm_ipc_imem.h" @@ -438,8 +437,7 @@ static int __maybe_unused ipc_pcie_resume_cb(struct device *dev) return 0; } -static DEFINE_RUNTIME_DEV_PM_OPS(iosm_ipc_pm, ipc_pcie_suspend_cb, - ipc_pcie_resume_cb, NULL); +static SIMPLE_DEV_PM_OPS(iosm_ipc_pm, ipc_pcie_suspend_cb, ipc_pcie_resume_cb); static struct pci_driver iosm_ipc_driver = { .name = KBUILD_MODNAME, diff --git a/drivers/net/wwan/iosm/iosm_ipc_port.c b/drivers/net/wwan/iosm/iosm_ipc_port.c index 2ba1ddca3945..5d5b4183e14a 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_port.c +++ b/drivers/net/wwan/iosm/iosm_ipc_port.c @@ -3,8 +3,6 @@ * Copyright (C) 2020-21 Intel Corporation. */ -#include <linux/pm_runtime.h> - #include "iosm_ipc_chnl_cfg.h" #include "iosm_ipc_imem_ops.h" #include "iosm_ipc_port.h" @@ -15,16 +13,12 @@ static int ipc_port_ctrl_start(struct wwan_port *port) struct iosm_cdev *ipc_port = wwan_port_get_drvdata(port); int ret = 0; - pm_runtime_get_sync(ipc_port->ipc_imem->dev); ipc_port->channel = ipc_imem_sys_port_open(ipc_port->ipc_imem, ipc_port->chl_id, IPC_HP_CDEV_OPEN); if (!ipc_port->channel) ret = -EIO; - pm_runtime_mark_last_busy(ipc_port->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_port->ipc_imem->dev); - return ret; } @@ -33,24 +27,15 @@ static void ipc_port_ctrl_stop(struct wwan_port *port) { struct iosm_cdev *ipc_port = wwan_port_get_drvdata(port); - pm_runtime_get_sync(ipc_port->ipc_imem->dev); ipc_imem_sys_port_close(ipc_port->ipc_imem, ipc_port->channel); - pm_runtime_mark_last_busy(ipc_port->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_port->ipc_imem->dev); } /* transfer control data to modem */ static int ipc_port_ctrl_tx(struct wwan_port *port, struct sk_buff *skb) { struct iosm_cdev *ipc_port = wwan_port_get_drvdata(port); - int ret; - pm_runtime_get_sync(ipc_port->ipc_imem->dev); - ret = ipc_imem_sys_cdev_write(ipc_port, skb); - pm_runtime_mark_last_busy(ipc_port->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_port->ipc_imem->dev); - - return ret; + return ipc_imem_sys_cdev_write(ipc_port, skb); } static const struct wwan_port_ops ipc_wwan_ctrl_ops = { diff --git a/drivers/net/wwan/iosm/iosm_ipc_trace.c b/drivers/net/wwan/iosm/iosm_ipc_trace.c index 4368373797b6..eeecfa3d10c5 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_trace.c +++ b/drivers/net/wwan/iosm/iosm_ipc_trace.c @@ -3,9 +3,7 @@ * Copyright (C) 2020-2021 Intel Corporation. */ -#include <linux/pm_runtime.h> #include <linux/wwan.h> - #include "iosm_ipc_trace.h" /* sub buffer size and number of sub buffer */ @@ -99,8 +97,6 @@ static ssize_t ipc_trace_ctrl_file_write(struct file *filp, if (ret) return ret; - pm_runtime_get_sync(ipc_trace->ipc_imem->dev); - mutex_lock(&ipc_trace->trc_mutex); if (val == TRACE_ENABLE && ipc_trace->mode != TRACE_ENABLE) { ipc_trace->channel = ipc_imem_sys_port_open(ipc_trace->ipc_imem, @@ -121,10 +117,6 @@ static ssize_t ipc_trace_ctrl_file_write(struct file *filp, ret = count; unlock: mutex_unlock(&ipc_trace->trc_mutex); - - pm_runtime_mark_last_busy(ipc_trace->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_trace->ipc_imem->dev); - return ret; } diff --git a/drivers/net/wwan/iosm/iosm_ipc_wwan.c b/drivers/net/wwan/iosm/iosm_ipc_wwan.c index 93d17de08786..ff747fc79aaf 100644 --- a/drivers/net/wwan/iosm/iosm_ipc_wwan.c +++ b/drivers/net/wwan/iosm/iosm_ipc_wwan.c @@ -6,7 +6,6 @@ #include <linux/etherdevice.h> #include <linux/if_arp.h> #include <linux/if_link.h> -#include <linux/pm_runtime.h> #include <linux/rtnetlink.h> #include <linux/wwan.h> #include <net/pkt_sched.h> @@ -52,13 +51,11 @@ static int ipc_wwan_link_open(struct net_device *netdev) struct iosm_netdev_priv *priv = wwan_netdev_drvpriv(netdev); struct iosm_wwan *ipc_wwan = priv->ipc_wwan; int if_id = priv->if_id; - int ret = 0; if (if_id < IP_MUX_SESSION_START || if_id >= ARRAY_SIZE(ipc_wwan->sub_netlist)) return -EINVAL; - pm_runtime_get_sync(ipc_wwan->ipc_imem->dev); /* get channel id */ priv->ch_id = ipc_imem_sys_wwan_open(ipc_wwan->ipc_imem, if_id); @@ -66,8 +63,7 @@ static int ipc_wwan_link_open(struct net_device *netdev) dev_err(ipc_wwan->dev, "cannot connect wwan0 & id %d to the IPC mem layer", if_id); - ret = -ENODEV; - goto err_out; + return -ENODEV; } /* enable tx path, DL data may follow */ @@ -76,11 +72,7 @@ static int ipc_wwan_link_open(struct net_device *netdev) dev_dbg(ipc_wwan->dev, "Channel id %d allocated to if_id %d", priv->ch_id, priv->if_id); -err_out: - pm_runtime_mark_last_busy(ipc_wwan->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_wwan->ipc_imem->dev); - - return ret; + return 0; } /* Bring-down the wwan net link */ @@ -90,12 +82,9 @@ static int ipc_wwan_link_stop(struct net_device *netdev) netif_stop_queue(netdev); - pm_runtime_get_sync(priv->ipc_wwan->ipc_imem->dev); ipc_imem_sys_wwan_close(priv->ipc_wwan->ipc_imem, priv->if_id, priv->ch_id); priv->ch_id = -1; - pm_runtime_mark_last_busy(priv->ipc_wwan->ipc_imem->dev); - pm_runtime_put_autosuspend(priv->ipc_wwan->ipc_imem->dev); return 0; } @@ -117,7 +106,6 @@ static netdev_tx_t ipc_wwan_link_transmit(struct sk_buff *skb, if_id >= ARRAY_SIZE(ipc_wwan->sub_netlist)) return -EINVAL; - pm_runtime_get(ipc_wwan->ipc_imem->dev); /* Send the SKB to device for transmission */ ret = ipc_imem_sys_wwan_transmit(ipc_wwan->ipc_imem, if_id, priv->ch_id, skb); @@ -131,14 +119,9 @@ static netdev_tx_t ipc_wwan_link_transmit(struct sk_buff *skb, ret = NETDEV_TX_BUSY; dev_err(ipc_wwan->dev, "unable to push packets"); } else { - pm_runtime_mark_last_busy(ipc_wwan->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_wwan->ipc_imem->dev); goto exit; } - pm_runtime_mark_last_busy(ipc_wwan->ipc_imem->dev); - pm_runtime_put_autosuspend(ipc_wwan->ipc_imem->dev); - return ret; exit: diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index f3f2c07423a6..fc3bb63b9ac3 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -41,8 +41,6 @@ #include <asm/xen/hypercall.h> #include <xen/balloon.h> -#define XENVIF_QUEUE_LENGTH 32 - /* Number of bytes allowed on the internal guest Rx queue. */ #define XENVIF_RX_QUEUE_BYTES (XEN_NETIF_RX_RING_SIZE/2 * PAGE_SIZE) @@ -530,8 +528,6 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid, dev->features = dev->hw_features | NETIF_F_RXCSUM; dev->ethtool_ops = &xenvif_ethtool_ops; - dev->tx_queue_len = XENVIF_QUEUE_LENGTH; - dev->min_mtu = ETH_MIN_MTU; dev->max_mtu = ETH_MAX_MTU - VLAN_ETH_HLEN; |