diff --git a/Makefile b/Makefile index 0b025b3a5640..d0d40c628dc3 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 8 -SUBLEVEL = 11 +SUBLEVEL = 12 EXTRAVERSION = NAME = Kleptomaniac Octopus

diff --git a/drivers/net/dsa/microchip/ksz8795.c b/drivers/net/dsa/microchip/ksz8795.c index 7c17b0f705ec..87db588bcdd6 100644 --- a/drivers/net/dsa/microchip/ksz8795.c +++ b/drivers/net/dsa/microchip/ksz8795.c @@ -1269,7 +1269,7 @@ static int ksz8795_switch_init(struct ksz_device *dev) }

/* set the real number of ports */ - dev->ds->num_ports = dev->port_cnt; + dev->ds->num_ports = dev->port_cnt + 1;

return 0; } diff --git a/drivers/net/dsa/rtl8366.c b/drivers/net/dsa/rtl8366.c index 1368816abaed..99cdb2f18fa2 100644 --- a/drivers/net/dsa/rtl8366.c +++ b/drivers/net/dsa/rtl8366.c @@ -452,13 +452,19 @@ int rtl8366_vlan_del(struct dsa_switch *ds, int port, return ret;

if (vid == vlanmc.vid) { - /* clear VLAN member configurations */ - vlanmc.vid = 0; - vlanmc.priority = 0; - vlanmc.member = 0; - vlanmc.untag = 0; - vlanmc.fid = 0; - + /* Remove this port from the VLAN */ + vlanmc.member &= ~BIT(port); + vlanmc.untag &= ~BIT(port); + /* + * If no ports are members of this VLAN + * anymore then clear the whole member + * config so it can be reused. + */ + if (!vlanmc.member && vlanmc.untag) { + vlanmc.vid = 0; + vlanmc.priority = 0; + vlanmc.fid = 0; + } ret = smi->ops->set_vlan_mc(smi, i, &vlanmc); if (ret) { dev_err(smi->dev, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index cd5c7a1412c6..dd07db656a5c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -4198,7 +4198,7 @@ static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len, u32 bar_offset = BNXT_GRCPF_REG_CHIMP_COMM; u16 dst = BNXT_HWRM_CHNL_CHIMP;

- if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + if (BNXT_NO_FW_ACCESS(bp)) return -EBUSY;

if (msg_len > BNXT_HWRM_MAX_REQ_LEN) { @@ -5530,7 +5530,7 @@ static int hwrm_ring_free_send_msg(struct bnxt *bp, struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr; u16 error_code;

- if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + if (BNXT_NO_FW_ACCESS(bp)) return 0;

bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1); @@ -7502,7 +7502,7 @@ static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa)

if (set_tpa) tpa_flags = bp->flags & BNXT_FLAG_TPA; - else if (test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + else if (BNXT_NO_FW_ACCESS(bp)) return 0; for (i = 0; i < bp->nr_vnics; i++) { rc = bnxt_hwrm_vnic_set_tpa(bp, i, tpa_flags); @@ -8993,18 +8993,16 @@ static ssize_t bnxt_show_temp(struct device *dev, struct hwrm_temp_monitor_query_output *resp; struct bnxt *bp = dev_get_drvdata(dev); u32 len = 0; + int rc;

resp = bp->hwrm_cmd_resp_addr; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1); mutex_lock(&bp->hwrm_cmd_lock); - if (!_hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT)) + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (!rc) len = sprintf(buf, "%u\n", resp->temp * 1000); /* display millidegree */ mutex_unlock(&bp->hwrm_cmd_lock); - - if (len) - return len; - - return sprintf(buf, "unknown\n"); + return rc ?: len; } static SENSOR_DEVICE_ATTR(temp1_input, 0444, bnxt_show_temp, NULL, 0);

@@ -9024,7 +9022,16 @@ static void bnxt_hwmon_close(struct bnxt *bp)

static void bnxt_hwmon_open(struct bnxt *bp) { + struct hwrm_temp_monitor_query_input req = {0}; struct pci_dev *pdev = bp->pdev; + int rc; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TEMP_MONITOR_QUERY, -1, -1); + rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc == -EACCES || rc == -EOPNOTSUPP) { + bnxt_hwmon_close(bp); + return; + }

if (bp->hwmon_dev) return; @@ -11498,6 +11505,10 @@ static void bnxt_remove_one(struct pci_dev *pdev) if (BNXT_PF(bp)) bnxt_sriov_disable(bp);

+ clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); + bnxt_cancel_sp_work(bp); + bp->sp_event = 0; + bnxt_dl_fw_reporters_destroy(bp, true); if (BNXT_PF(bp)) devlink_port_type_clear(&bp->dl_port); @@ -11505,9 +11516,6 @@ static void bnxt_remove_one(struct pci_dev *pdev) unregister_netdev(dev); bnxt_dl_unregister(bp); bnxt_shutdown_tc(bp); - clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); - bnxt_cancel_sp_work(bp); - bp->sp_event = 0;

bnxt_clear_int_mode(bp); bnxt_hwrm_func_drv_unrgtr(bp); @@ -11806,7 +11814,7 @@ static int bnxt_init_mac_addr(struct bnxt *bp) static void bnxt_vpd_read_info(struct bnxt *bp) { struct pci_dev *pdev = bp->pdev; - int i, len, pos, ro_size; + int i, len, pos, ro_size, size; ssize_t vpd_size; u8 *vpd_data;

@@ -11841,7 +11849,8 @@ static void bnxt_vpd_read_info(struct bnxt *bp) if (len + pos > vpd_size) goto read_sn;

- strlcpy(bp->board_partno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN)); + size = min(len, BNXT_VPD_FLD_LEN - 1); + memcpy(bp->board_partno, &vpd_data[pos], size);

read_sn: pos = pci_vpd_find_info_keyword(vpd_data, i, ro_size, @@ -11854,7 +11863,8 @@ static void bnxt_vpd_read_info(struct bnxt *bp) if (len + pos > vpd_size) goto exit;

- strlcpy(bp->board_serialno, &vpd_data[pos], min(len, BNXT_VPD_FLD_LEN)); + size = min(len, BNXT_VPD_FLD_LEN - 1); + memcpy(bp->board_serialno, &vpd_data[pos], size); exit: kfree(vpd_data); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 78e2fd63ac3d..440b43c8068f 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1673,6 +1673,10 @@ struct bnxt { #define BNXT_STATE_FW_FATAL_COND 6 #define BNXT_STATE_DRV_REGISTERED 7

+#define BNXT_NO_FW_ACCESS(bp) \ + (test_bit(BNXT_STATE_FW_FATAL_COND, &(bp)->state) || \ + pci_channel_offline((bp)->pdev)) + struct bnxt_irq *irq_tbl; int total_irqs; u8 mac_addr[ETH_ALEN]; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index bc2c76fa54ca..f6e236a7bf18 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1735,9 +1735,12 @@ static int bnxt_set_pauseparam(struct net_device *dev, if (!BNXT_PHY_CFG_ABLE(bp)) return -EOPNOTSUPP;

+ mutex_lock(&bp->link_lock); if (epause->autoneg) { - if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) - return -EINVAL; + if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { + rc = -EINVAL; + goto pause_exit; + }

link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL; if (bp->hwrm_spec_code >= 0x10201) @@ -1758,11 +1761,11 @@ static int bnxt_set_pauseparam(struct net_device *dev, if (epause->tx_pause) link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;

- if (netif_running(dev)) { - mutex_lock(&bp->link_lock); + if (netif_running(dev)) rc = bnxt_hwrm_set_pause(bp); - mutex_unlock(&bp->link_lock); - } + +pause_exit: + mutex_unlock(&bp->link_lock); return rc; }

@@ -2499,8 +2502,7 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) struct bnxt *bp = netdev_priv(dev); struct ethtool_eee *eee = &bp->eee; struct bnxt_link_info *link_info = &bp->link_info; - u32 advertising = - _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); + u32 advertising; int rc = 0;

if (!BNXT_PHY_CFG_ABLE(bp)) @@ -2509,19 +2511,23 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) if (!(bp->flags & BNXT_FLAG_EEE_CAP)) return -EOPNOTSUPP;

+ mutex_lock(&bp->link_lock); + advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); if (!edata->eee_enabled) goto eee_ok;

if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) { netdev_warn(dev, "EEE requires autoneg\n"); - return -EINVAL; + rc = -EINVAL; + goto eee_exit; } if (edata->tx_lpi_enabled) { if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi || edata->tx_lpi_timer < bp->lpi_tmr_lo)) { netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n", bp->lpi_tmr_lo, bp->lpi_tmr_hi); - return -EINVAL; + rc = -EINVAL; + goto eee_exit; } else if (!bp->lpi_tmr_hi) { edata->tx_lpi_timer = eee->tx_lpi_timer; } @@ -2531,7 +2537,8 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) } else if (edata->advertised & ~advertising) { netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n", edata->advertised, advertising); - return -EINVAL; + rc = -EINVAL; + goto eee_exit; }

eee->advertised = edata->advertised; @@ -2543,6 +2550,8 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) if (netif_running(dev)) rc = bnxt_hwrm_set_link_setting(bp, false, true);

+eee_exit: + mutex_unlock(&bp->link_lock); return rc; }

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 4b1b5928b104..55347bcea228 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -647,8 +647,7 @@ static void macb_mac_link_up(struct phylink_config *config, ctrl |= GEM_BIT(GBE); }

- /* We do not support MLO_PAUSE_RX yet */ - if (tx_pause) + if (rx_pause) ctrl |= MACB_BIT(PAE);

macb_set_tx_clk(bp->tx_clk, speed, ndev); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index d02d346629b3..ff0d82e2535d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -1906,13 +1906,16 @@ int cxgb4_del_filter(struct net_device *dev, int filter_id, static int configure_filter_tcb(struct adapter *adap, unsigned int tid, struct filter_entry *f) { - if (f->fs.hitcnts) + if (f->fs.hitcnts) { set_tcb_field(adap, f, tid, TCB_TIMESTAMP_W, - TCB_TIMESTAMP_V(TCB_TIMESTAMP_M) | + TCB_TIMESTAMP_V(TCB_TIMESTAMP_M), + TCB_TIMESTAMP_V(0ULL), + 1); + set_tcb_field(adap, f, tid, TCB_RTT_TS_RECENT_AGE_W, TCB_RTT_TS_RECENT_AGE_V(TCB_RTT_TS_RECENT_AGE_M), - TCB_TIMESTAMP_V(0ULL) | TCB_RTT_TS_RECENT_AGE_V(0ULL), 1); + }

if (f->fs.newdmac) set_tcb_tflag(adap, f, tid, TF_CCTRL_ECE_S, 1, diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c index b1a073eea60b..a020e8490681 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c @@ -229,7 +229,7 @@ void cxgb4_free_mps_ref_entries(struct adapter *adap) { struct mps_entries_ref *mps_entry, *tmp;

- if (!list_empty(&adap->mps_ref)) + if (list_empty(&adap->mps_ref)) return;

spin_lock(&adap->mps_ref_lock); diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c index e0f5a81d8620..7fe39a155b32 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c @@ -45,6 +45,8 @@

#define MGMT_MSG_TIMEOUT 5000

+#define SET_FUNC_PORT_MBOX_TIMEOUT 30000 + #define SET_FUNC_PORT_MGMT_TIMEOUT 25000

#define mgmt_to_pfhwdev(pf_mgmt) \ @@ -358,16 +360,20 @@ int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt, return -EINVAL; }

- if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE) - timeout = SET_FUNC_PORT_MGMT_TIMEOUT; + if (HINIC_IS_VF(hwif)) { + if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE) + timeout = SET_FUNC_PORT_MBOX_TIMEOUT;

- if (HINIC_IS_VF(hwif)) return hinic_mbox_to_pf(pf_to_mgmt->hwdev, mod, cmd, buf_in, - in_size, buf_out, out_size, 0); - else + in_size, buf_out, out_size, timeout); + } else { + if (cmd == HINIC_PORT_CMD_SET_FUNC_STATE) + timeout = SET_FUNC_PORT_MGMT_TIMEOUT; + return msg_to_mgmt_sync(pf_to_mgmt, mod, cmd, buf_in, in_size, buf_out, out_size, MGMT_DIRECT_SEND, MSG_NOT_RESP, timeout); + } }

static void recv_mgmt_msg_work_handler(struct work_struct *work) diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c index e9e6f4c9309a..c9d884049fd0 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_main.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c @@ -168,6 +168,24 @@ static int create_txqs(struct hinic_dev *nic_dev) return err; }

+static void enable_txqs_napi(struct hinic_dev *nic_dev) +{ + int num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev); + int i; + + for (i = 0; i < num_txqs; i++) + napi_enable(&nic_dev->txqs[i].napi); +} + +static void disable_txqs_napi(struct hinic_dev *nic_dev) +{ + int num_txqs = hinic_hwdev_num_qps(nic_dev->hwdev); + int i; + + for (i = 0; i < num_txqs; i++) + napi_disable(&nic_dev->txqs[i].napi); +} + /** * free_txqs - Free the Logical Tx Queues of specific NIC device * @nic_dev: the specific NIC device @@ -394,6 +412,8 @@ int hinic_open(struct net_device *netdev) goto err_create_txqs; }

+ enable_txqs_napi(nic_dev); + err = create_rxqs(nic_dev); if (err) { netif_err(nic_dev, drv, netdev, @@ -475,6 +495,7 @@ int hinic_open(struct net_device *netdev) }

err_create_rxqs: + disable_txqs_napi(nic_dev); free_txqs(nic_dev);

err_create_txqs: @@ -488,6 +509,9 @@ int hinic_close(struct net_device *netdev) struct hinic_dev *nic_dev = netdev_priv(netdev); unsigned int flags;

+ /* Disable txq napi firstly to aviod rewaking txq in free_tx_poll */ + disable_txqs_napi(nic_dev); + down(&nic_dev->mgmt_lock);

flags = nic_dev->flags; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c index 4c66a0bc1b28..789aa278851e 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_tx.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_tx.c @@ -684,18 +684,6 @@ static int free_tx_poll(struct napi_struct *napi, int budget) return budget; }

-static void tx_napi_add(struct hinic_txq *txq, int weight) -{ - netif_napi_add(txq->netdev, &txq->napi, free_tx_poll, weight); - napi_enable(&txq->napi); -} - -static void tx_napi_del(struct hinic_txq *txq) -{ - napi_disable(&txq->napi); - netif_napi_del(&txq->napi); -} - static irqreturn_t tx_irq(int irq, void *data) { struct hinic_txq *txq = data; @@ -724,7 +712,7 @@ static int tx_request_irq(struct hinic_txq *txq) struct hinic_sq *sq = txq->sq; int err;

- tx_napi_add(txq, nic_dev->tx_weight); + netif_napi_add(txq->netdev, &txq->napi, free_tx_poll, nic_dev->tx_weight);

hinic_hwdev_msix_set(nic_dev->hwdev, sq->msix_entry, TX_IRQ_NO_PENDING, TX_IRQ_NO_COALESC, @@ -734,7 +722,7 @@ static int tx_request_irq(struct hinic_txq *txq) err = request_irq(sq->irq, tx_irq, 0, txq->irq_name, txq); if (err) { dev_err(&pdev->dev, "Failed to request Tx irq\n"); - tx_napi_del(txq); + netif_napi_del(&txq->napi); return err; }

@@ -746,7 +734,7 @@ static void tx_free_irq(struct hinic_txq *txq) struct hinic_sq *sq = txq->sq;

free_irq(sq->irq, txq); - tx_napi_del(txq); + netif_napi_del(&txq->napi); }

/** diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 5afb3c9c52d2..1b702a43a5d0 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -479,6 +479,9 @@ static int reset_rx_pools(struct ibmvnic_adapter *adapter) int i, j, rc; u64 *size_array;

+ if (!adapter->rx_pool) + return -1; + size_array = (u64 *)((u8 *)(adapter->login_rsp_buf) + be32_to_cpu(adapter->login_rsp_buf->off_rxadd_buff_size));

@@ -649,6 +652,9 @@ static int reset_tx_pools(struct ibmvnic_adapter *adapter) int tx_scrqs; int i, rc;

+ if (!adapter->tx_pool) + return -1; + tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs); for (i = 0; i < tx_scrqs; i++) { rc = reset_one_tx_pool(adapter, &adapter->tso_pool[i]); @@ -2011,7 +2017,10 @@ static int do_reset(struct ibmvnic_adapter *adapter, adapter->req_rx_add_entries_per_subcrq != old_num_rx_slots || adapter->req_tx_entries_per_subcrq != - old_num_tx_slots) { + old_num_tx_slots || + !adapter->rx_pool || + !adapter->tso_pool || + !adapter->tx_pool) { release_rx_pools(adapter); release_tx_pools(adapter); release_napi(adapter); @@ -2023,12 +2032,18 @@ static int do_reset(struct ibmvnic_adapter *adapter,

} else { rc = reset_tx_pools(adapter); - if (rc) + if (rc) { + netdev_dbg(adapter->netdev, "reset tx pools failed (%d)\n", + rc); goto out; + }

rc = reset_rx_pools(adapter); - if (rc) + if (rc) { + netdev_dbg(adapter->netdev, "reset rx pools failed (%d)\n", + rc); goto out; + } } ibmvnic_disable_irqs(adapter); } diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c index 1645e4e7ebdb..635ff3a5dcfb 100644 --- a/drivers/net/ethernet/lantiq_xrx200.c +++ b/drivers/net/ethernet/lantiq_xrx200.c @@ -230,8 +230,8 @@ static int xrx200_poll_rx(struct napi_struct *napi, int budget) }

if (rx < budget) { - napi_complete(&ch->napi); - ltq_dma_enable_irq(&ch->dma); + if (napi_complete_done(&ch->napi, rx)) + ltq_dma_enable_irq(&ch->dma); }

return rx; @@ -268,9 +268,12 @@ static int xrx200_tx_housekeeping(struct napi_struct *napi, int budget) net_dev->stats.tx_bytes += bytes; netdev_completed_queue(ch->priv->net_dev, pkts, bytes);

+ if (netif_queue_stopped(net_dev)) + netif_wake_queue(net_dev); + if (pkts < budget) { - napi_complete(&ch->napi); - ltq_dma_enable_irq(&ch->dma); + if (napi_complete_done(&ch->napi, pkts)) + ltq_dma_enable_irq(&ch->dma); }

return pkts; @@ -342,10 +345,12 @@ static irqreturn_t xrx200_dma_irq(int irq, void *ptr) { struct xrx200_chan *ch = ptr;

- ltq_dma_disable_irq(&ch->dma); - ltq_dma_ack_irq(&ch->dma); + if (napi_schedule_prep(&ch->napi)) { + __napi_schedule(&ch->napi); + ltq_dma_disable_irq(&ch->dma); + }

- napi_schedule(&ch->napi); + ltq_dma_ack_irq(&ch->dma);

return IRQ_HANDLED; } @@ -499,7 +504,7 @@ static int xrx200_probe(struct platform_device *pdev)

/* setup NAPI */ netif_napi_add(net_dev, &priv->chan_rx.napi, xrx200_poll_rx, 32); - netif_napi_add(net_dev, &priv->chan_tx.napi, xrx200_tx_housekeeping, 32); + netif_tx_napi_add(net_dev, &priv->chan_tx.napi, xrx200_tx_housekeeping, 32);

platform_set_drvdata(pdev, priv);

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 842db20493df..76b23ba7a468 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -604,7 +604,7 @@ struct mlx5e_rq { struct dim dim; /* Dynamic Interrupt Moderation */

/* XDP */ - struct bpf_prog *xdp_prog; + struct bpf_prog __rcu *xdp_prog; struct mlx5e_xdpsq *xdpsq; DECLARE_BITMAP(flags, 8); struct page_pool *page_pool; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index c9d308e91965..75ed820b0ad7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -121,7 +121,7 @@ mlx5e_xmit_xdp_buff(struct mlx5e_xdpsq *sq, struct mlx5e_rq *rq, bool mlx5e_xdp_handle(struct mlx5e_rq *rq, struct mlx5e_dma_info *di, u32 *len, struct xdp_buff *xdp) { - struct bpf_prog *prog = READ_ONCE(rq->xdp_prog); + struct bpf_prog *prog = rcu_dereference(rq->xdp_prog); u32 act; int err;

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c index a33a1f762c70..40db27bf790b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c @@ -31,7 +31,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, { struct xdp_buff *xdp = wi->umr.dma_info[page_idx].xsk; u32 cqe_bcnt32 = cqe_bcnt; - bool consumed;

/* Check packet size. Note LRO doesn't use linear SKB */ if (unlikely(cqe_bcnt > rq->hw_mtu)) { @@ -51,10 +50,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, xsk_buff_dma_sync_for_cpu(xdp); prefetch(xdp->data);

- rcu_read_lock(); - consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt32, xdp); - rcu_read_unlock(); - /* Possible flows: * - XDP_REDIRECT to XSKMAP: * The page is owned by the userspace from now. @@ -70,7 +65,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, * allocated first from the Reuse Ring, so it has enough space. */

- if (likely(consumed)) { + if (likely(mlx5e_xdp_handle(rq, NULL, &cqe_bcnt32, xdp))) { if (likely(__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags))) __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ return NULL; /* page/packet was consumed by XDP */ @@ -88,7 +83,6 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, u32 cqe_bcnt) { struct xdp_buff *xdp = wi->di->xsk; - bool consumed;

/* wi->offset is not used in this function, because xdp->data and the * DMA address point directly to the necessary place. Furthermore, the @@ -107,11 +101,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, return NULL; }

- rcu_read_lock(); - consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt, xdp); - rcu_read_unlock(); - - if (likely(consumed)) + if (likely(mlx5e_xdp_handle(rq, NULL, &cqe_bcnt, xdp))) return NULL; /* page/packet was consumed by XDP */

/* XDP_PASS: copy the data from the UMEM to a new SKB. The frame reuse diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c index 2c80205dc939..3081cd74d651 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c @@ -143,8 +143,7 @@ int mlx5e_open_xsk(struct mlx5e_priv *priv, struct mlx5e_params *params, void mlx5e_close_xsk(struct mlx5e_channel *c) { clear_bit(MLX5E_CHANNEL_STATE_XSK, c->state); - napi_synchronize(&c->napi); - synchronize_rcu(); /* Sync with the XSK wakeup. */ + synchronize_rcu(); /* Sync with the XSK wakeup and with NAPI. */

mlx5e_close_rq(&c->xskrq); mlx5e_close_cq(&c->xskrq.cq); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c index 01468ec27446..b949b9a7538b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_stats.c @@ -35,7 +35,6 @@ #include <net/sock.h>

#include "en.h" -#include "accel/tls.h" #include "fpga/sdk.h" #include "en_accel/tls.h"

@@ -51,9 +50,14 @@ static const struct counter_desc mlx5e_tls_sw_stats_desc[] = {

#define NUM_TLS_SW_COUNTERS ARRAY_SIZE(mlx5e_tls_sw_stats_desc)

+static bool is_tls_atomic_stats(struct mlx5e_priv *priv) +{ + return priv->tls && !mlx5_accel_is_ktls_device(priv->mdev); +} + int mlx5e_tls_get_count(struct mlx5e_priv *priv) { - if (!priv->tls) + if (!is_tls_atomic_stats(priv)) return 0;

return NUM_TLS_SW_COUNTERS; @@ -63,7 +67,7 @@ int mlx5e_tls_get_strings(struct mlx5e_priv *priv, uint8_t *data) { unsigned int i, idx = 0;

- if (!priv->tls) + if (!is_tls_atomic_stats(priv)) return 0;

for (i = 0; i < NUM_TLS_SW_COUNTERS; i++) @@ -77,7 +81,7 @@ int mlx5e_tls_get_stats(struct mlx5e_priv *priv, u64 *data) { int i, idx = 0;

- if (!priv->tls) + if (!is_tls_atomic_stats(priv)) return 0;

for (i = 0; i < NUM_TLS_SW_COUNTERS; i++) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 3b892ec301b4..cccf65fc116e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -401,7 +401,7 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,

if (params->xdp_prog) bpf_prog_inc(params->xdp_prog); - rq->xdp_prog = params->xdp_prog; + RCU_INIT_POINTER(rq->xdp_prog, params->xdp_prog);

rq_xdp_ix = rq->ix; if (xsk) @@ -410,7 +410,7 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, if (err < 0) goto err_rq_wq_destroy;

- rq->buff.map_dir = rq->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; + rq->buff.map_dir = params->xdp_prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; rq->buff.headroom = mlx5e_get_rq_headroom(mdev, params, xsk); pool_size = 1 << params->log_rq_mtu_frames;

@@ -605,8 +605,8 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, }

err_rq_wq_destroy: - if (rq->xdp_prog) - bpf_prog_put(rq->xdp_prog); + if (params->xdp_prog) + bpf_prog_put(params->xdp_prog); xdp_rxq_info_unreg(&rq->xdp_rxq); page_pool_destroy(rq->page_pool); mlx5_wq_destroy(&rq->wq_ctrl); @@ -616,10 +616,16 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c,

static void mlx5e_free_rq(struct mlx5e_rq *rq) { + struct mlx5e_channel *c = rq->channel; + struct bpf_prog *old_prog = NULL; int i;

- if (rq->xdp_prog) - bpf_prog_put(rq->xdp_prog); + /* drop_rq has neither channel nor xdp_prog. */ + if (c) + old_prog = rcu_dereference_protected(rq->xdp_prog, + lockdep_is_held(&c->priv->state_lock)); + if (old_prog) + bpf_prog_put(old_prog);

switch (rq->wq_type) { case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: @@ -905,7 +911,7 @@ void mlx5e_activate_rq(struct mlx5e_rq *rq) void mlx5e_deactivate_rq(struct mlx5e_rq *rq) { clear_bit(MLX5E_RQ_STATE_ENABLED, &rq->state); - napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ + synchronize_rcu(); /* Sync with NAPI to prevent mlx5e_post_rx_wqes. */ }

void mlx5e_close_rq(struct mlx5e_rq *rq) @@ -1350,12 +1356,10 @@ void mlx5e_tx_disable_queue(struct netdev_queue *txq)

static void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq) { - struct mlx5e_channel *c = sq->channel; struct mlx5_wq_cyc *wq = &sq->wq;

clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); - /* prevent netif_tx_wake_queue */ - napi_synchronize(&c->napi); + synchronize_rcu(); /* Sync with NAPI to prevent netif_tx_wake_queue. */

mlx5e_tx_disable_queue(sq->txq);

@@ -1430,10 +1434,8 @@ void mlx5e_activate_icosq(struct mlx5e_icosq *icosq)

void mlx5e_deactivate_icosq(struct mlx5e_icosq *icosq) { - struct mlx5e_channel *c = icosq->channel; - clear_bit(MLX5E_SQ_STATE_ENABLED, &icosq->state); - napi_synchronize(&c->napi); + synchronize_rcu(); /* Sync with NAPI. */ }

void mlx5e_close_icosq(struct mlx5e_icosq *sq) @@ -1511,7 +1513,7 @@ void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq) struct mlx5e_channel *c = sq->channel;

clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); - napi_synchronize(&c->napi); + synchronize_rcu(); /* Sync with NAPI. */

mlx5e_destroy_sq(c->mdev, sq->sqn); mlx5e_free_xdpsq_descs(sq); @@ -4423,6 +4425,16 @@ static int mlx5e_xdp_allowed(struct mlx5e_priv *priv, struct bpf_prog *prog) return 0; }

+static void mlx5e_rq_replace_xdp_prog(struct mlx5e_rq *rq, struct bpf_prog *prog) +{ + struct bpf_prog *old_prog; + + old_prog = rcu_replace_pointer(rq->xdp_prog, prog, + lockdep_is_held(&rq->channel->priv->state_lock)); + if (old_prog) + bpf_prog_put(old_prog); +} + static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -4481,29 +4493,10 @@ static int mlx5e_xdp_set(struct net_device *netdev, struct bpf_prog *prog) */ for (i = 0; i < priv->channels.num; i++) { struct mlx5e_channel *c = priv->channels.c[i]; - bool xsk_open = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state); - - clear_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); - if (xsk_open) - clear_bit(MLX5E_RQ_STATE_ENABLED, &c->xskrq.state); - napi_synchronize(&c->napi); - /* prevent mlx5e_poll_rx_cq from accessing rq->xdp_prog */ - - old_prog = xchg(&c->rq.xdp_prog, prog); - if (old_prog) - bpf_prog_put(old_prog); - - if (xsk_open) { - old_prog = xchg(&c->xskrq.xdp_prog, prog); - if (old_prog) - bpf_prog_put(old_prog); - }

- set_bit(MLX5E_RQ_STATE_ENABLED, &c->rq.state); - if (xsk_open) - set_bit(MLX5E_RQ_STATE_ENABLED, &c->xskrq.state); - /* napi_schedule in case we have missed anything */ - napi_schedule(&c->napi); + mlx5e_rq_replace_xdp_prog(&c->rq, prog); + if (test_bit(MLX5E_CHANNEL_STATE_XSK, c->state)) + mlx5e_rq_replace_xdp_prog(&c->xskrq, prog); }

unlock: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index dbb1c6323967..409fecbcc5d2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1072,7 +1072,6 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, struct xdp_buff xdp; struct sk_buff *skb; void *va, *data; - bool consumed; u32 frag_size;

va = page_address(di->page) + wi->offset; @@ -1084,11 +1083,8 @@ mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, prefetchw(va); /* xdp_frame data area */ prefetch(data);

- rcu_read_lock(); mlx5e_fill_xdp_buff(rq, va, rx_headroom, cqe_bcnt, &xdp); - consumed = mlx5e_xdp_handle(rq, di, &cqe_bcnt, &xdp); - rcu_read_unlock(); - if (consumed) + if (mlx5e_xdp_handle(rq, di, &cqe_bcnt, &xdp)) return NULL; /* page/packet was consumed by XDP */

rx_headroom = xdp.data - xdp.data_hard_start; @@ -1369,7 +1365,6 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, struct sk_buff *skb; void *va, *data; u32 frag_size; - bool consumed;

/* Check packet size. Note LRO doesn't use linear SKB */ if (unlikely(cqe_bcnt > rq->hw_mtu)) { @@ -1386,11 +1381,8 @@ mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, prefetchw(va); /* xdp_frame data area */ prefetch(data);

- rcu_read_lock(); mlx5e_fill_xdp_buff(rq, va, rx_headroom, cqe_bcnt32, &xdp); - consumed = mlx5e_xdp_handle(rq, di, &cqe_bcnt32, &xdp); - rcu_read_unlock(); - if (consumed) { + if (mlx5e_xdp_handle(rq, di, &cqe_bcnt32, &xdp)) { if (__test_and_clear_bit(MLX5E_RQ_FLAG_XDP_XMIT, rq->flags)) __set_bit(page_idx, wi->xdp_xmit_bitmap); /* non-atomic */ return NULL; /* page/packet was consumed by XDP */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index fcedb5bdca9e..7da1e7462f64 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -1399,11 +1399,8 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,

mlx5e_put_flow_tunnel_id(flow);

- if (flow_flag_test(flow, NOT_READY)) { + if (flow_flag_test(flow, NOT_READY)) remove_unready_flow(flow); - kvfree(attr->parse_attr); - return; - }

if (mlx5e_is_offloaded_flow(flow)) { if (flow_flag_test(flow, SLOW)) @@ -2734,6 +2731,22 @@ static struct mlx5_fields fields[] = { OFFLOAD(UDP_DPORT, 16, U16_MAX, udp.dest, 0, udp_dport), };

+static unsigned long mask_to_le(unsigned long mask, int size) +{ + __be32 mask_be32; + __be16 mask_be16; + + if (size == 32) { + mask_be32 = (__force __be32)(mask); + mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); + } else if (size == 16) { + mask_be32 = (__force __be32)(mask); + mask_be16 = *(__be16 *)&mask_be32; + mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); + } + + return mask; +} static int offload_pedit_fields(struct mlx5e_priv *priv, int namespace, struct pedit_headers_action *hdrs, @@ -2747,9 +2760,7 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, u32 *s_masks_p, *a_masks_p, s_mask, a_mask; struct mlx5e_tc_mod_hdr_acts *mod_acts; struct mlx5_fields *f; - unsigned long mask; - __be32 mask_be32; - __be16 mask_be16; + unsigned long mask, field_mask; int err; u8 cmd;

@@ -2815,14 +2826,7 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, if (skip) continue;

- if (f->field_bsize == 32) { - mask_be32 = (__force __be32)(mask); - mask = (__force unsigned long)cpu_to_le32(be32_to_cpu(mask_be32)); - } else if (f->field_bsize == 16) { - mask_be32 = (__force __be32)(mask); - mask_be16 = *(__be16 *)&mask_be32; - mask = (__force unsigned long)cpu_to_le16(be16_to_cpu(mask_be16)); - } + mask = mask_to_le(mask, f->field_bsize);

first = find_first_bit(&mask, f->field_bsize); next_z = find_next_zero_bit(&mask, f->field_bsize, first); @@ -2853,9 +2857,10 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, if (cmd == MLX5_ACTION_TYPE_SET) { int start;

+ field_mask = mask_to_le(f->field_mask, f->field_bsize); + /* if field is bit sized it can start not from first bit */ - start = find_first_bit((unsigned long *)&f->field_mask, - f->field_bsize); + start = find_first_bit(&field_mask, f->field_bsize);

MLX5_SET(set_action_in, action, offset, first - start); /* length is num of bits to be written, zero means length of 32 */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c index 8480278f2ee2..954a2f0513d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c @@ -121,13 +121,17 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) struct mlx5e_xdpsq *xsksq = &c->xsksq; struct mlx5e_rq *xskrq = &c->xskrq; struct mlx5e_rq *rq = &c->rq; - bool xsk_open = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state); bool aff_change = false; bool busy_xsk = false; bool busy = false; int work_done = 0; + bool xsk_open; int i;

+ rcu_read_lock(); + + xsk_open = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state); + ch_stats->poll++;

for (i = 0; i < c->num_tc; i++) @@ -167,8 +171,10 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) busy |= busy_xsk;

if (busy) { - if (likely(mlx5e_channel_no_affinity_change(c))) - return budget; + if (likely(mlx5e_channel_no_affinity_change(c))) { + work_done = budget; + goto out; + } ch_stats->aff_change++; aff_change = true; if (budget && work_done == budget) @@ -176,7 +182,7 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) }

if (unlikely(!napi_complete_done(napi, work_done))) - return work_done; + goto out;

ch_stats->arm++;

@@ -203,6 +209,9 @@ int mlx5e_napi_poll(struct napi_struct *napi, int budget) ch_stats->force_irq++; }

+out: + rcu_read_unlock(); + return work_done; }

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index ed75353c56b8..f16610feab88 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -1219,35 +1219,37 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports) } esw->fdb_table.offloads.send_to_vport_grp = g;

- /* create peer esw miss group */ - memset(flow_group_in, 0, inlen); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) { + /* create peer esw miss group */ + memset(flow_group_in, 0, inlen);

- esw_set_flow_group_source_port(esw, flow_group_in); + esw_set_flow_group_source_port(esw, flow_group_in);

- if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { - match_criteria = MLX5_ADDR_OF(create_flow_group_in, - flow_group_in, - match_criteria); + if (!mlx5_eswitch_vport_match_metadata_enabled(esw)) { + match_criteria = MLX5_ADDR_OF(create_flow_group_in, + flow_group_in, + match_criteria);

- MLX5_SET_TO_ONES(fte_match_param, match_criteria, - misc_parameters.source_eswitch_owner_vhca_id); + MLX5_SET_TO_ONES(fte_match_param, match_criteria, + misc_parameters.source_eswitch_owner_vhca_id);

- MLX5_SET(create_flow_group_in, flow_group_in, - source_eswitch_owner_vhca_id_valid, 1); - } + MLX5_SET(create_flow_group_in, flow_group_in, + source_eswitch_owner_vhca_id_valid, 1); + }

- MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, - ix + esw->total_vports - 1); - ix += esw->total_vports; + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ix); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, + ix + esw->total_vports - 1); + ix += esw->total_vports;

- g = mlx5_create_flow_group(fdb, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - esw_warn(dev, "Failed to create peer miss flow group err(%d)\n", err); - goto peer_miss_err; + g = mlx5_create_flow_group(fdb, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + esw_warn(dev, "Failed to create peer miss flow group err(%d)\n", err); + goto peer_miss_err; + } + esw->fdb_table.offloads.peer_miss_grp = g; } - esw->fdb_table.offloads.peer_miss_grp = g;

/* create miss group */ memset(flow_group_in, 0, inlen); @@ -1282,7 +1284,8 @@ static int esw_create_offloads_fdb_tables(struct mlx5_eswitch *esw, int nvports) miss_rule_err: mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp); miss_err: - mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) + mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); peer_miss_err: mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp); send_vport_err: @@ -1306,7 +1309,8 @@ static void esw_destroy_offloads_fdb_tables(struct mlx5_eswitch *esw) mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule_multi); mlx5_del_flow_rules(esw->fdb_table.offloads.miss_rule_uni); mlx5_destroy_flow_group(esw->fdb_table.offloads.send_to_vport_grp); - mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); + if (MLX5_CAP_ESW(esw->dev, merged_eswitch)) + mlx5_destroy_flow_group(esw->fdb_table.offloads.peer_miss_grp); mlx5_destroy_flow_group(esw->fdb_table.offloads.miss_grp);

mlx5_esw_chains_destroy(esw); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 2e5f7efb82a8..1f96f9efa3c1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -655,7 +655,7 @@ static struct fs_fte *alloc_fte(struct mlx5_flow_table *ft, fte->action = *flow_act; fte->flow_context = spec->flow_context;

- tree_init_node(&fte->node, NULL, del_sw_fte); + tree_init_node(&fte->node, del_hw_fte, del_sw_fte);

return fte; } @@ -1792,7 +1792,6 @@ try_add_to_existing_fg(struct mlx5_flow_table *ft, up_write_ref_node(&g->node, false); rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte); up_write_ref_node(&fte->node, false); - tree_put_node(&fte->node, false); return rule; } rule = ERR_PTR(-ENOENT); @@ -1891,7 +1890,6 @@ _mlx5_add_flow_rules(struct mlx5_flow_table *ft, up_write_ref_node(&g->node, false); rule = add_rule_fg(g, spec, flow_act, dest, dest_num, fte); up_write_ref_node(&fte->node, false); - tree_put_node(&fte->node, false); tree_put_node(&g->node, false); return rule;

@@ -2001,7 +1999,9 @@ void mlx5_del_flow_rules(struct mlx5_flow_handle *handle) up_write_ref_node(&fte->node, false); } else { del_hw_fte(&fte->node); - up_write(&fte->node.lock); + /* Avoid double call to del_hw_fte */ + fte->node.del_hw_func = NULL; + up_write_ref_node(&fte->node, false); tree_put_node(&fte->node, false); } kfree(handle); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 6eb9fb9a1814..9c9ae33d84ce 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -829,8 +829,8 @@ nfp_port_get_fecparam(struct net_device *netdev, struct nfp_eth_table_port *eth_port; struct nfp_port *port;

- param->active_fec = ETHTOOL_FEC_NONE_BIT; - param->fec = ETHTOOL_FEC_NONE_BIT; + param->active_fec = ETHTOOL_FEC_NONE; + param->fec = ETHTOOL_FEC_NONE;

port = nfp_port_from_netdev(netdev); eth_port = nfp_port_get_eth_port(port); diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c index 8ed78577cded..15672d0a4de6 100644 --- a/drivers/net/ethernet/ti/cpsw_new.c +++ b/drivers/net/ethernet/ti/cpsw_new.c @@ -17,6 +17,7 @@ #include <linux/phy.h> #include <linux/phy/phy.h> #include <linux/delay.h> +#include <linux/pinctrl/consumer.h> #include <linux/pm_runtime.h> #include <linux/gpio/consumer.h> #include <linux/of.h> @@ -2070,9 +2071,61 @@ static int cpsw_remove(struct platform_device *pdev) return 0; }

+static int __maybe_unused cpsw_suspend(struct device *dev) +{ + struct cpsw_common *cpsw = dev_get_drvdata(dev); + int i; + + rtnl_lock(); + + for (i = 0; i < cpsw->data.slaves; i++) { + struct net_device *ndev = cpsw->slaves[i].ndev; + + if (!(ndev && netif_running(ndev))) + continue; + + cpsw_ndo_stop(ndev); + } + + rtnl_unlock(); + + /* Select sleep pin state */ + pinctrl_pm_select_sleep_state(dev); + + return 0; +} + +static int __maybe_unused cpsw_resume(struct device *dev) +{ + struct cpsw_common *cpsw = dev_get_drvdata(dev); + int i; + + /* Select default pin state */ + pinctrl_pm_select_default_state(dev); + + /* shut up ASSERT_RTNL() warning in netif_set_real_num_tx/rx_queues */ + rtnl_lock(); + + for (i = 0; i < cpsw->data.slaves; i++) { + struct net_device *ndev = cpsw->slaves[i].ndev; + + if (!(ndev && netif_running(ndev))) + continue; + + cpsw_ndo_open(ndev); + } + + rtnl_unlock(); + + return 0; +} + +static SIMPLE_DEV_PM_OPS(cpsw_pm_ops, cpsw_suspend, cpsw_resume); + static struct platform_driver cpsw_driver = { .driver = { .name = "cpsw-switch", + .pm = &cpsw_pm_ops, .of_match_table = cpsw_of_mtable, }, .probe = cpsw_probe, diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index dec52b763d50..deede92b17fc 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -773,7 +773,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, struct net_device *dev, struct geneve_sock *gs4, struct flowi4 *fl4, - const struct ip_tunnel_info *info) + const struct ip_tunnel_info *info, + __be16 dport, __be16 sport) { bool use_cache = ip_tunnel_dst_cache_usable(skb, info); struct geneve_dev *geneve = netdev_priv(dev); @@ -789,6 +790,8 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, fl4->flowi4_proto = IPPROTO_UDP; fl4->daddr = info->key.u.ipv4.dst; fl4->saddr = info->key.u.ipv4.src; + fl4->fl4_dport = dport; + fl4->fl4_sport = sport;

tos = info->key.tos; if ((tos == 1) && !geneve->collect_md) { @@ -823,7 +826,8 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, struct net_device *dev, struct geneve_sock *gs6, struct flowi6 *fl6, - const struct ip_tunnel_info *info) + const struct ip_tunnel_info *info, + __be16 dport, __be16 sport) { bool use_cache = ip_tunnel_dst_cache_usable(skb, info); struct geneve_dev *geneve = netdev_priv(dev); @@ -839,6 +843,9 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, fl6->flowi6_proto = IPPROTO_UDP; fl6->daddr = info->key.u.ipv6.dst; fl6->saddr = info->key.u.ipv6.src; + fl6->fl6_dport = dport; + fl6->fl6_sport = sport; + prio = info->key.tos; if ((prio == 1) && !geneve->collect_md) { prio = ip_tunnel_get_dsfield(ip_hdr(skb), skb); @@ -885,14 +892,15 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err;

- rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info); + sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); + rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info, + geneve->info.key.tp_dst, sport); if (IS_ERR(rt)) return PTR_ERR(rt);

skb_tunnel_check_pmtu(skb, &rt->dst, GENEVE_IPV4_HLEN + info->options_len);

- sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); if (geneve->collect_md) { tos = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb); ttl = key->ttl; @@ -947,13 +955,14 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, __be16 sport; int err;

- dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info); + sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); + dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info, + geneve->info.key.tp_dst, sport); if (IS_ERR(dst)) return PTR_ERR(dst);

skb_tunnel_check_pmtu(skb, dst, GENEVE_IPV6_HLEN + info->options_len);

- sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); if (geneve->collect_md) { prio = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb); ttl = key->ttl; @@ -1034,13 +1043,18 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) { struct ip_tunnel_info *info = skb_tunnel_info(skb); struct geneve_dev *geneve = netdev_priv(dev); + __be16 sport;

if (ip_tunnel_info_af(info) == AF_INET) { struct rtable *rt; struct flowi4 fl4; + struct geneve_sock *gs4 = rcu_dereference(geneve->sock4); + sport = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true);

- rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info); + rt = geneve_get_v4_rt(skb, dev, gs4, &fl4, info, + geneve->info.key.tp_dst, sport); if (IS_ERR(rt)) return PTR_ERR(rt);

@@ -1050,9 +1064,13 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) } else if (ip_tunnel_info_af(info) == AF_INET6) { struct dst_entry *dst; struct flowi6 fl6; + struct geneve_sock *gs6 = rcu_dereference(geneve->sock6); + sport = udp_flow_src_port(geneve->net, skb, + 1, USHRT_MAX, true);

- dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info); + dst = geneve_get_v6_dst(skb, dev, gs6, &fl6, info, + geneve->info.key.tp_dst, sport); if (IS_ERR(dst)) return PTR_ERR(dst);

@@ -1063,8 +1081,7 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) return -EINVAL; }

- info->key.tp_src = udp_flow_src_port(geneve->net, skb, - 1, USHRT_MAX, true); + info->key.tp_src = sport; info->key.tp_dst = geneve->info.key.tp_dst; return 0; } diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 47159b31e6b3..8309194b351a 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -2544,8 +2544,8 @@ static int netvsc_remove(struct hv_device *dev) static int netvsc_suspend(struct hv_device *dev) { struct net_device_context *ndev_ctx; - struct net_device *vf_netdev, *net; struct netvsc_device *nvdev; + struct net_device *net; int ret;

net = hv_get_drvdata(dev); @@ -2561,10 +2561,6 @@ static int netvsc_suspend(struct hv_device *dev) goto out; }

- vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); - if (vf_netdev) - netvsc_unregister_vf(vf_netdev); - /* Save the current config info */ ndev_ctx->saved_netvsc_dev_info = netvsc_devinfo_get(nvdev);

@@ -2580,6 +2576,7 @@ static int netvsc_resume(struct hv_device *dev) struct net_device *net = hv_get_drvdata(dev); struct net_device_context *net_device_ctx; struct netvsc_device_info *device_info; + struct net_device *vf_netdev; int ret;

rtnl_lock(); @@ -2592,6 +2589,15 @@ static int netvsc_resume(struct hv_device *dev) netvsc_devinfo_put(device_info); net_device_ctx->saved_netvsc_dev_info = NULL;

+ /* A NIC driver (e.g. mlx5) may keep the VF network interface across + * hibernation, but here the data path is implicitly switched to the + * netvsc NIC since the vmbus channel is closed and re-opened, so + * netvsc_vf_changed() must be used to switch the data path to the VF. + */ + vf_netdev = rtnl_dereference(net_device_ctx->vf_netdev); + if (vf_netdev && netvsc_vf_changed(vf_netdev) != NOTIFY_OK) + ret = -EINVAL; + rtnl_unlock();

return ret; diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index 9df2a3e78c98..d08c626b2baa 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -521,7 +521,7 @@ static void ipa_filter_tuple_zero(struct ipa_endpoint *endpoint) val = ioread32(endpoint->ipa->reg_virt + offset);

/* Zero all filter-related fields, preserving the rest */ - u32_replace_bits(val, 0, IPA_REG_ENDP_FILTER_HASH_MSK_ALL); + u32p_replace_bits(&val, 0, IPA_REG_ENDP_FILTER_HASH_MSK_ALL);

iowrite32(val, endpoint->ipa->reg_virt + offset); } @@ -572,7 +572,7 @@ static void ipa_route_tuple_zero(struct ipa *ipa, u32 route_id) val = ioread32(ipa->reg_virt + offset);

/* Zero all route-related fields, preserving the rest */ - u32_replace_bits(val, 0, IPA_REG_ENDP_ROUTER_HASH_MSK_ALL); + u32p_replace_bits(&val, 0, IPA_REG_ENDP_ROUTER_HASH_MSK_ALL);

iowrite32(val, ipa->reg_virt + offset); } diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 56cfae950472..f5620f91dbf3 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -948,7 +948,7 @@ void phy_stop(struct phy_device *phydev) { struct net_device *dev = phydev->attached_dev;

- if (!phy_is_started(phydev)) { + if (!phy_is_started(phydev) && phydev->state != PHY_DOWN) { WARN(1, "called from state %s\n", phy_state_to_str(phydev->state)); return; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 98369430a3be..067910d242ab 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1092,10 +1092,6 @@ int phy_init_hw(struct phy_device *phydev) if (ret < 0) return ret;

- ret = phy_disable_interrupts(phydev); - if (ret) - return ret; - if (phydev->drv->config_init) ret = phydev->drv->config_init(phydev);

@@ -1372,6 +1368,10 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, if (err) goto error;

+ err = phy_disable_interrupts(phydev); + if (err) + return err; + phy_resume(phydev); phy_led_triggers_register(phydev);

@@ -1631,7 +1631,8 @@ void phy_detach(struct phy_device *phydev)

phy_led_triggers_unregister(phydev);

- module_put(phydev->mdio.dev.driver->owner); + if (phydev->mdio.dev.driver) + module_put(phydev->mdio.dev.driver->owner);

/* If the device had no specific driver before (i.e. - it * was using the generic driver), we unbind the device diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c index 48ced3912576..16f33d1ffbfb 100644 --- a/drivers/net/wan/hdlc_ppp.c +++ b/drivers/net/wan/hdlc_ppp.c @@ -383,11 +383,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, }

for (opt = data; len; len -= opt[1], opt += opt[1]) { - if (len < 2 || len < opt[1]) { - dev->stats.rx_errors++; - kfree(out); - return; /* bad packet, drop silently */ - } + if (len < 2 || opt[1] < 2 || len < opt[1]) + goto err_out;

if (pid == PID_LCP) switch (opt[0]) { @@ -395,6 +392,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, continue; /* MRU always OK and > 1500 bytes? */

case LCP_OPTION_ACCM: /* async control character map */ + if (opt[1] < sizeof(valid_accm)) + goto err_out; if (!memcmp(opt, valid_accm, sizeof(valid_accm))) continue; @@ -406,6 +405,8 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, } break; case LCP_OPTION_MAGIC: + if (len < 6) + goto err_out; if (opt[1] != 6 || (!opt[2] && !opt[3] && !opt[4] && !opt[5])) break; /* reject invalid magic number */ @@ -424,6 +425,11 @@ static void ppp_cp_parse_cr(struct net_device *dev, u16 pid, u8 id, ppp_cp_event(dev, pid, RCR_GOOD, CP_CONF_ACK, id, req_len, data);

kfree(out); + return; + +err_out: + dev->stats.rx_errors++; + kfree(out); }

static int ppp_rx(struct sk_buff *skb) diff --git a/drivers/net/wireguard/noise.c b/drivers/net/wireguard/noise.c index 201a22681945..27cb5045bed2 100644 --- a/drivers/net/wireguard/noise.c +++ b/drivers/net/wireguard/noise.c @@ -87,15 +87,12 @@ static void handshake_zero(struct noise_handshake *handshake)

void wg_noise_handshake_clear(struct noise_handshake *handshake) { + down_write(&handshake->lock); wg_index_hashtable_remove( handshake->entry.peer->device->index_hashtable, &handshake->entry); - down_write(&handshake->lock); handshake_zero(handshake); up_write(&handshake->lock); - wg_index_hashtable_remove( - handshake->entry.peer->device->index_hashtable, - &handshake->entry); }

static struct noise_keypair *keypair_create(struct wg_peer *peer) diff --git a/drivers/net/wireguard/peerlookup.c b/drivers/net/wireguard/peerlookup.c index e4deb331476b..f2783aa7a88f 100644 --- a/drivers/net/wireguard/peerlookup.c +++ b/drivers/net/wireguard/peerlookup.c @@ -167,9 +167,13 @@ bool wg_index_hashtable_replace(struct index_hashtable *table, struct index_hashtable_entry *old, struct index_hashtable_entry *new) { - if (unlikely(hlist_unhashed(&old->index_hash))) - return false; + bool ret; + spin_lock_bh(&table->lock); + ret = !hlist_unhashed(&old->index_hash); + if (unlikely(!ret)) + goto out; + new->index = old->index; hlist_replace_rcu(&old->index_hash, &new->index_hash);

@@ -180,8 +184,9 @@ bool wg_index_hashtable_replace(struct index_hashtable *table, * simply gets dropped, which isn't terrible. */ INIT_HLIST_NODE(&old->index_hash); +out: spin_unlock_bh(&table->lock); - return true; + return ret; }

void wg_index_hashtable_remove(struct index_hashtable *table, diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 0c0377fc00c2..1119463cf242 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -3208,8 +3208,9 @@ static inline int skb_padto(struct sk_buff *skb, unsigned int len) * is untouched. Otherwise it is extended. Returns zero on * success. The skb is freed on error if @free_on_error is true. */ -static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len, - bool free_on_error) +static inline int __must_check __skb_put_padto(struct sk_buff *skb, + unsigned int len, + bool free_on_error) { unsigned int size = skb->len;

@@ -3232,7 +3233,7 @@ static inline int __skb_put_padto(struct sk_buff *skb, unsigned int len, * is untouched. Otherwise it is extended. Returns zero on * success. The skb is freed on error. */ -static inline int skb_put_padto(struct sk_buff *skb, unsigned int len) +static inline int __must_check skb_put_padto(struct sk_buff *skb, unsigned int len) { return __skb_put_padto(skb, len, true); } diff --git a/include/net/flow.h b/include/net/flow.h index a50fb77a0b27..d058e63fb59a 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -116,6 +116,7 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, fl4->saddr = saddr; fl4->fl4_dport = dport; fl4->fl4_sport = sport; + fl4->flowi4_multipath_hash = 0; }

/* Reset some input parameters after previous lookup */ diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index fb42c90348d3..f3c5d9d2f82d 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -226,12 +226,14 @@ struct sctp_sock { data_ready_signalled:1;

atomic_t pd_mode; + + /* Fields after this point will be skipped on copies, like on accept + * and peeloff operations + */ + /* Receive to here while partial delivery is in effect. */ struct sk_buff_head pd_lobby;

- /* These must be the last fields, as they will skipped on copies, - * like on accept and peeloff operations - */ struct list_head auto_asconf_list; int do_auto_asconf; }; diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index f9092c71225f..61c94cefa843 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -1288,11 +1288,13 @@ void br_vlan_get_stats(const struct net_bridge_vlan *v, } }

-static int __br_vlan_get_pvid(const struct net_device *dev, - struct net_bridge_port *p, u16 *p_pvid) +int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) { struct net_bridge_vlan_group *vg; + struct net_bridge_port *p;

+ ASSERT_RTNL(); + p = br_port_get_check_rtnl(dev); if (p) vg = nbp_vlan_group(p); else if (netif_is_bridge_master(dev)) @@ -1303,18 +1305,23 @@ static int __br_vlan_get_pvid(const struct net_device *dev, *p_pvid = br_get_pvid(vg); return 0; } - -int br_vlan_get_pvid(const struct net_device *dev, u16 *p_pvid) -{ - ASSERT_RTNL(); - - return __br_vlan_get_pvid(dev, br_port_get_check_rtnl(dev), p_pvid); -} EXPORT_SYMBOL_GPL(br_vlan_get_pvid);

int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid) { - return __br_vlan_get_pvid(dev, br_port_get_check_rcu(dev), p_pvid); + struct net_bridge_vlan_group *vg; + struct net_bridge_port *p; + + p = br_port_get_check_rcu(dev); + if (p) + vg = nbp_vlan_group_rcu(p); + else if (netif_is_bridge_master(dev)) + vg = br_vlan_group_rcu(netdev_priv(dev)); + else + return -EINVAL; + + *p_pvid = br_get_pvid(vg); + return 0; } EXPORT_SYMBOL_GPL(br_vlan_get_pvid_rcu);

diff --git a/net/core/dev.c b/net/core/dev.c index 5bd0b550893f..181b13e02bdc 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -8641,7 +8641,7 @@ int dev_get_port_parent_id(struct net_device *dev, if (!first.id_len) first = *ppid; else if (memcmp(&first, ppid, sizeof(*ppid))) - return -ENODATA; + return -EOPNOTSUPP; }

return err; diff --git a/net/core/filter.c b/net/core/filter.c index a69e79327c29..d13ea1642b97 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4774,6 +4774,7 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params, fl4.saddr = params->ipv4_src; fl4.fl4_sport = params->sport; fl4.fl4_dport = params->dport; + fl4.flowi4_multipath_hash = 0;

if (flags & BPF_FIB_LOOKUP_DIRECT) { u32 tbid = l3mdev_fib_table_rcu(dev) ? : RT_TABLE_MAIN; diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index dcd61aca343e..944ab214e5ae 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -251,10 +251,10 @@ int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp) if (refcount_read(&net->count) == 0) return NETNSA_NSID_NOT_ASSIGNED;

- spin_lock(&net->nsid_lock); + spin_lock_bh(&net->nsid_lock); id = __peernet2id(net, peer); if (id >= 0) { - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); return id; }

@@ -264,12 +264,12 @@ int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp) * just been idr_remove()'d from there in cleanup_net(). */ if (!maybe_get_net(peer)) { - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); return NETNSA_NSID_NOT_ASSIGNED; }

id = alloc_netid(net, peer, -1); - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock);

put_net(peer); if (id < 0) @@ -534,20 +534,20 @@ static void unhash_nsid(struct net *net, struct net *last) for_each_net(tmp) { int id;

- spin_lock(&tmp->nsid_lock); + spin_lock_bh(&tmp->nsid_lock); id = __peernet2id(tmp, net); if (id >= 0) idr_remove(&tmp->netns_ids, id); - spin_unlock(&tmp->nsid_lock); + spin_unlock_bh(&tmp->nsid_lock); if (id >= 0) rtnl_net_notifyid(tmp, RTM_DELNSID, id, 0, NULL, GFP_KERNEL); if (tmp == last) break; } - spin_lock(&net->nsid_lock); + spin_lock_bh(&net->nsid_lock); idr_destroy(&net->netns_ids); - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); }

static LLIST_HEAD(cleanup_list); @@ -760,9 +760,9 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh, return PTR_ERR(peer); }

- spin_lock(&net->nsid_lock); + spin_lock_bh(&net->nsid_lock); if (__peernet2id(net, peer) >= 0) { - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); err = -EEXIST; NL_SET_BAD_ATTR(extack, nla); NL_SET_ERR_MSG(extack, @@ -771,7 +771,7 @@ static int rtnl_net_newid(struct sk_buff *skb, struct nlmsghdr *nlh, }

err = alloc_netid(net, peer, nsid); - spin_unlock(&net->nsid_lock); + spin_unlock_bh(&net->nsid_lock); if (err >= 0) { rtnl_net_notifyid(net, RTM_NEWNSID, err, NETLINK_CB(skb).portid, nlh, GFP_KERNEL); diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index d2a4553bcf39..0fd1c2aa1361 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1426,6 +1426,7 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlmsghdr *nlh, { const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops; struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1]; + int prio; int err;

if (!ops) @@ -1475,6 +1476,13 @@ static int dcbnl_ieee_set(struct net_device *netdev, struct nlmsghdr *nlh, struct dcbnl_buffer *buffer = nla_data(ieee[DCB_ATTR_DCB_BUFFER]);

+ for (prio = 0; prio < ARRAY_SIZE(buffer->prio2buffer); prio++) { + if (buffer->prio2buffer[prio] >= DCBX_MAX_BUFFERS) { + err = -EINVAL; + goto err; + } + } + err = ops->dcbnl_setbuffer(netdev, buffer); if (err) goto err; diff --git a/net/dsa/slave.c b/net/dsa/slave.c index 4c7f086a047b..3f7be8c64c50 100644 --- a/net/dsa/slave.c +++ b/net/dsa/slave.c @@ -1801,15 +1801,27 @@ int dsa_slave_create(struct dsa_port *port)

dsa_slave_notify(slave_dev, DSA_PORT_REGISTER);

- ret = register_netdev(slave_dev); + rtnl_lock(); + + ret = register_netdevice(slave_dev); if (ret) { netdev_err(master, "error %d registering interface %s\n", ret, slave_dev->name); + rtnl_unlock(); goto out_phy; }

+ ret = netdev_upper_dev_link(master, slave_dev, NULL); + + rtnl_unlock(); + + if (ret) + goto out_unregister; + return 0;

+out_unregister: + unregister_netdev(slave_dev); out_phy: rtnl_lock(); phylink_disconnect_phy(p->dp->pl); @@ -1826,16 +1838,18 @@ int dsa_slave_create(struct dsa_port *port)

void dsa_slave_destroy(struct net_device *slave_dev) { + struct net_device *master = dsa_slave_to_master(slave_dev); struct dsa_port *dp = dsa_slave_to_port(slave_dev); struct dsa_slave_priv *p = netdev_priv(slave_dev);

netif_carrier_off(slave_dev); rtnl_lock(); + netdev_upper_dev_unlink(master, slave_dev); + unregister_netdevice(slave_dev); phylink_disconnect_phy(dp->pl); rtnl_unlock();

dsa_slave_notify(slave_dev, DSA_PORT_UNREGISTER); - unregister_netdev(slave_dev); phylink_destroy(dp->pl); gro_cells_destroy(&p->gcells); free_percpu(p->stats64); diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 41079490a118..86a23e4a6a50 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -362,6 +362,7 @@ static int __fib_validate_source(struct sk_buff *skb, __be32 src, __be32 dst, fl4.flowi4_tun_key.tun_id = 0; fl4.flowi4_flags = 0; fl4.flowi4_uid = sock_net_uid(net, NULL); + fl4.flowi4_multipath_hash = 0;

no_addr = idev->ifa_list == NULL;

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 17206677d503..f09a18839716 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -74,6 +74,7 @@ #include <net/icmp.h> #include <net/checksum.h> #include <net/inetpeer.h> +#include <net/inet_ecn.h> #include <net/lwtunnel.h> #include <linux/bpf-cgroup.h> #include <linux/igmp.h> @@ -1697,7 +1698,7 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, if (IS_ERR(rt)) return;

- inet_sk(sk)->tos = arg->tos; + inet_sk(sk)->tos = arg->tos & ~INET_ECN_MASK;

sk->sk_protocol = ip_hdr(skb)->protocol; sk->sk_bound_dev_if = arg->bound_dev_if; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a01efa062f6b..37f128889474 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -786,8 +786,10 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow neigh_event_send(n, NULL); } else { if (fib_lookup(net, fl4, &res, 0) == 0) { - struct fib_nh_common *nhc = FIB_RES_NHC(res); + struct fib_nh_common *nhc;

+ fib_select_path(net, &res, fl4, skb); + nhc = FIB_RES_NHC(res); update_or_create_fnhe(nhc, fl4->daddr, new_gw, 0, false, jiffies + ip_rt_gc_timeout); @@ -1013,6 +1015,7 @@ out: kfree_skb(skb); static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) { struct dst_entry *dst = &rt->dst; + struct net *net = dev_net(dst->dev); u32 old_mtu = ipv4_mtu(dst); struct fib_result res; bool lock = false; @@ -1033,9 +1036,11 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) return;

rcu_read_lock(); - if (fib_lookup(dev_net(dst->dev), fl4, &res, 0) == 0) { - struct fib_nh_common *nhc = FIB_RES_NHC(res); + if (fib_lookup(net, fl4, &res, 0) == 0) { + struct fib_nh_common *nhc;

+ fib_select_path(net, &res, fl4, NULL); + nhc = FIB_RES_NHC(res); update_or_create_fnhe(nhc, fl4->daddr, 0, mtu, lock, jiffies + ip_rt_mtu_expires); } @@ -2142,6 +2147,7 @@ static int ip_route_input_slow(struct sk_buff *skb, __be32 daddr, __be32 saddr, fl4.daddr = daddr; fl4.saddr = saddr; fl4.flowi4_uid = sock_net_uid(net, NULL); + fl4.flowi4_multipath_hash = 0;

if (fib4_rules_early_flow_dissect(net, skb, &fl4, &_flkeys)) { flkeys = &_flkeys; @@ -2662,8 +2668,6 @@ struct rtable *ip_route_output_key_hash_rcu(struct net *net, struct flowi4 *fl4, fib_select_path(net, res, fl4, skb);

dev_out = FIB_RES_DEV(*res); - fl4->flowi4_oif = dev_out->ifindex; -

make_route: rth = __mkroute_output(res, fl4, orig_oif, dev_out, flags); diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig index f4f19e89af5e..9d66af9e4c7f 100644 --- a/net/ipv6/Kconfig +++ b/net/ipv6/Kconfig @@ -303,6 +303,7 @@ config IPV6_SEG6_LWTUNNEL config IPV6_SEG6_HMAC bool "IPv6: Segment Routing HMAC support" depends on IPV6 + select CRYPTO select CRYPTO_HMAC select CRYPTO_SHA1 select CRYPTO_SHA256 diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 49ee89bbcba0..3c32dcb5fd8e 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -1992,14 +1992,19 @@ static void fib6_del_route(struct fib6_table *table, struct fib6_node *fn, /* Need to own table->tb6_lock */ int fib6_del(struct fib6_info *rt, struct nl_info *info) { - struct fib6_node *fn = rcu_dereference_protected(rt->fib6_node, - lockdep_is_held(&rt->fib6_table->tb6_lock)); - struct fib6_table *table = rt->fib6_table; struct net *net = info->nl_net; struct fib6_info __rcu **rtp; struct fib6_info __rcu **rtp_next; + struct fib6_table *table; + struct fib6_node *fn; + + if (rt == net->ipv6.fib6_null_entry) + return -ENOENT;

- if (!fn || rt == net->ipv6.fib6_null_entry) + table = rt->fib6_table; + fn = rcu_dereference_protected(rt->fib6_node, + lockdep_is_held(&table->tb6_lock)); + if (!fn) return -ENOENT;

WARN_ON(!(fn->fn_flags & RTN_RTINFO)); diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 85ab4559f057..0f77e24a5152 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -332,8 +332,7 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb, { struct qrtr_hdr_v1 *hdr; size_t len = skb->len; - int rc = -ENODEV; - int confirm_rx; + int rc, confirm_rx;

confirm_rx = qrtr_tx_wait(node, to->sq_node, to->sq_port, type); if (confirm_rx < 0) { @@ -357,15 +356,17 @@ static int qrtr_node_enqueue(struct qrtr_node *node, struct sk_buff *skb, hdr->size = cpu_to_le32(len); hdr->confirm_rx = !!confirm_rx;

- skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr)); - - mutex_lock(&node->ep_lock); - if (node->ep) - rc = node->ep->xmit(node->ep, skb); - else - kfree_skb(skb); - mutex_unlock(&node->ep_lock); + rc = skb_put_padto(skb, ALIGN(len, 4) + sizeof(*hdr));

+ if (!rc) { + mutex_lock(&node->ep_lock); + rc = -ENODEV; + if (node->ep) + rc = node->ep->xmit(node->ep, skb); + else + kfree_skb(skb); + mutex_unlock(&node->ep_lock); + } /* Need to ensure that a subsequent message carries the otherwise lost * confirm_rx flag if we dropped this one */ if (rc && confirm_rx) diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index c1fcd85719d6..5c568757643b 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -436,6 +436,25 @@ static void tcf_ife_cleanup(struct tc_action *a) kfree_rcu(p, rcu); }

+static int load_metalist(struct nlattr **tb, bool rtnl_held) +{ + int i; + + for (i = 1; i < max_metacnt; i++) { + if (tb[i]) { + void *val = nla_data(tb[i]); + int len = nla_len(tb[i]); + int rc; + + rc = load_metaops_and_vet(i, val, len, rtnl_held); + if (rc != 0) + return rc; + } + } + + return 0; +} + static int populate_metalist(struct tcf_ife_info *ife, struct nlattr **tb, bool exists, bool rtnl_held) { @@ -449,10 +468,6 @@ static int populate_metalist(struct tcf_ife_info *ife, struct nlattr **tb, val = nla_data(tb[i]); len = nla_len(tb[i]);

- rc = load_metaops_and_vet(i, val, len, rtnl_held); - if (rc != 0) - return rc; - rc = add_metainfo(ife, i, val, len, exists); if (rc) return rc; @@ -509,6 +524,21 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, if (!p) return -ENOMEM;

+ if (tb[TCA_IFE_METALST]) { + err = nla_parse_nested_deprecated(tb2, IFE_META_MAX, + tb[TCA_IFE_METALST], NULL, + NULL); + if (err) { + kfree(p); + return err; + } + err = load_metalist(tb2, rtnl_held); + if (err) { + kfree(p); + return err; + } + } + index = parm->index; err = tcf_idr_check_alloc(tn, &index, a, bind); if (err < 0) { @@ -570,15 +600,9 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla, }

if (tb[TCA_IFE_METALST]) { - err = nla_parse_nested_deprecated(tb2, IFE_META_MAX, - tb[TCA_IFE_METALST], NULL, - NULL); - if (err) - goto metadata_parse_err; err = populate_metalist(ife, tb2, exists, rtnl_held); if (err) goto metadata_parse_err; - } else { /* if no passed metadata allow list or passed allow-all * then here we process by adding as many supported metadatum diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c index e30bd969fc48..5fe145d97f52 100644 --- a/net/sched/cls_flower.c +++ b/net/sched/cls_flower.c @@ -1215,6 +1215,7 @@ static int fl_set_erspan_opt(const struct nlattr *nla, struct fl_flow_key *key, } if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]) { nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]; + memset(&md->u, 0x00, sizeof(md->u)); md->u.index = nla_get_be32(nla); } } else if (md->version == 2) { diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 265a61d011df..54c417244642 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1131,24 +1131,10 @@ EXPORT_SYMBOL(dev_activate);

static void qdisc_deactivate(struct Qdisc *qdisc) { - bool nolock = qdisc->flags & TCQ_F_NOLOCK; - if (qdisc->flags & TCQ_F_BUILTIN) return; - if (test_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state)) - return; - - if (nolock) - spin_lock_bh(&qdisc->seqlock); - spin_lock_bh(qdisc_lock(qdisc));

set_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state); - - qdisc_reset(qdisc); - - spin_unlock_bh(qdisc_lock(qdisc)); - if (nolock) - spin_unlock_bh(&qdisc->seqlock); }

static void dev_deactivate_queue(struct net_device *dev, @@ -1165,6 +1151,30 @@ static void dev_deactivate_queue(struct net_device *dev, } }

+static void dev_reset_queue(struct net_device *dev, + struct netdev_queue *dev_queue, + void *_unused) +{ + struct Qdisc *qdisc; + bool nolock; + + qdisc = dev_queue->qdisc_sleeping; + if (!qdisc) + return; + + nolock = qdisc->flags & TCQ_F_NOLOCK; + + if (nolock) + spin_lock_bh(&qdisc->seqlock); + spin_lock_bh(qdisc_lock(qdisc)); + + qdisc_reset(qdisc); + + spin_unlock_bh(qdisc_lock(qdisc)); + if (nolock) + spin_unlock_bh(&qdisc->seqlock); +} + static bool some_qdisc_is_busy(struct net_device *dev) { unsigned int i; @@ -1213,12 +1223,20 @@ void dev_deactivate_many(struct list_head *head) dev_watchdog_down(dev); }

- /* Wait for outstanding qdisc-less dev_queue_xmit calls. + /* Wait for outstanding qdisc-less dev_queue_xmit calls or + * outstanding qdisc enqueuing calls. * This is avoided if all devices are in dismantle phase : * Caller will call synchronize_net() for us */ synchronize_net();

+ list_for_each_entry(dev, head, close_list) { + netdev_for_each_tx_queue(dev, dev_reset_queue, NULL); + + if (dev_ingress_queue(dev)) + dev_reset_queue(dev, dev_ingress_queue(dev), NULL); + } + /* Wait for outstanding qdisc_run calls. */ list_for_each_entry(dev, head, close_list) { while (some_qdisc_is_busy(dev)) { diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 6a5086e586ef..2b797a71e9bd 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -777,9 +777,11 @@ static const struct nla_policy taprio_policy[TCA_TAPRIO_ATTR_MAX + 1] = { [TCA_TAPRIO_ATTR_TXTIME_DELAY] = { .type = NLA_U32 }, };

-static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, +static int fill_sched_entry(struct taprio_sched *q, struct nlattr **tb, + struct sched_entry *entry, struct netlink_ext_ack *extack) { + int min_duration = length_to_duration(q, ETH_ZLEN); u32 interval = 0;

if (tb[TCA_TAPRIO_SCHED_ENTRY_CMD]) @@ -794,7 +796,10 @@ static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, interval = nla_get_u32( tb[TCA_TAPRIO_SCHED_ENTRY_INTERVAL]);

- if (interval == 0) { + /* The interval should allow at least the minimum ethernet + * frame to go out. + */ + if (interval < min_duration) { NL_SET_ERR_MSG(extack, "Invalid interval for schedule entry"); return -EINVAL; } @@ -804,8 +809,9 @@ static int fill_sched_entry(struct nlattr **tb, struct sched_entry *entry, return 0; }

-static int parse_sched_entry(struct nlattr *n, struct sched_entry *entry, - int index, struct netlink_ext_ack *extack) +static int parse_sched_entry(struct taprio_sched *q, struct nlattr *n, + struct sched_entry *entry, int index, + struct netlink_ext_ack *extack) { struct nlattr *tb[TCA_TAPRIO_SCHED_ENTRY_MAX + 1] = { }; int err; @@ -819,10 +825,10 @@ static int parse_sched_entry(struct nlattr *n, struct sched_entry *entry,

entry->index = index;

- return fill_sched_entry(tb, entry, extack); + return fill_sched_entry(q, tb, entry, extack); }

-static int parse_sched_list(struct nlattr *list, +static int parse_sched_list(struct taprio_sched *q, struct nlattr *list, struct sched_gate_list *sched, struct netlink_ext_ack *extack) { @@ -847,7 +853,7 @@ static int parse_sched_list(struct nlattr *list, return -ENOMEM; }

- err = parse_sched_entry(n, entry, i, extack); + err = parse_sched_entry(q, n, entry, i, extack); if (err < 0) { kfree(entry); return err; @@ -862,7 +868,7 @@ static int parse_sched_list(struct nlattr *list, return i; }

-static int parse_taprio_schedule(struct nlattr **tb, +static int parse_taprio_schedule(struct taprio_sched *q, struct nlattr **tb, struct sched_gate_list *new, struct netlink_ext_ack *extack) { @@ -883,8 +889,8 @@ static int parse_taprio_schedule(struct nlattr **tb, new->cycle_time = nla_get_s64(tb[TCA_TAPRIO_ATTR_SCHED_CYCLE_TIME]);

if (tb[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST]) - err = parse_sched_list( - tb[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST], new, extack); + err = parse_sched_list(q, tb[TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST], + new, extack); if (err < 0) return err;

@@ -1474,7 +1480,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt, goto free_sched; }

- err = parse_taprio_schedule(tb, new_admin, extack); + err = parse_taprio_schedule(q, tb, new_admin, extack); if (err < 0) goto free_sched;

diff --git a/net/sctp/socket.c b/net/sctp/socket.c index fa20e945700e..102aee4f7dfd 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -9457,13 +9457,10 @@ void sctp_copy_sock(struct sock *newsk, struct sock *sk, static inline void sctp_copy_descendant(struct sock *sk_to, const struct sock *sk_from) { - int ancestor_size = sizeof(struct inet_sock) + - sizeof(struct sctp_sock) - - offsetof(struct sctp_sock, pd_lobby); - - if (sk_from->sk_family == PF_INET6) - ancestor_size += sizeof(struct ipv6_pinfo); + size_t ancestor_size = sizeof(struct inet_sock);

+ ancestor_size += sk_from->sk_prot->obj_size; + ancestor_size -= offsetof(struct sctp_sock, pd_lobby); __inet_sk_copy_descendant(sk_to, sk_from, ancestor_size); }

diff --git a/net/tipc/group.c b/net/tipc/group.c index 89257e2a980d..f53871baa42e 100644 --- a/net/tipc/group.c +++ b/net/tipc/group.c @@ -273,8 +273,8 @@ static struct tipc_member *tipc_group_find_node(struct tipc_group *grp, return NULL; }

-static void tipc_group_add_to_tree(struct tipc_group *grp, - struct tipc_member *m) +static int tipc_group_add_to_tree(struct tipc_group *grp, + struct tipc_member *m) { u64 nkey, key = (u64)m->node << 32 | m->port; struct rb_node **n, *parent = NULL; @@ -291,10 +291,11 @@ static void tipc_group_add_to_tree(struct tipc_group *grp, else if (key > nkey) n = &(*n)->rb_right; else - return; + return -EEXIST; } rb_link_node(&m->tree_node, parent, n); rb_insert_color(&m->tree_node, &grp->members); + return 0; }

static struct tipc_member *tipc_group_create_member(struct tipc_group *grp, @@ -302,6 +303,7 @@ static struct tipc_member *tipc_group_create_member(struct tipc_group *grp, u32 instance, int state) { struct tipc_member *m; + int ret;

m = kzalloc(sizeof(*m), GFP_ATOMIC); if (!m) @@ -314,8 +316,12 @@ static struct tipc_member *tipc_group_create_member(struct tipc_group *grp, m->port = port; m->instance = instance; m->bc_acked = grp->bc_snd_nxt - 1; + ret = tipc_group_add_to_tree(grp, m); + if (ret < 0) { + kfree(m); + return NULL; + } grp->member_cnt++; - tipc_group_add_to_tree(grp, m); tipc_nlist_add(&grp->dests, m->node); m->state = state; return m; diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 01b64869a173..2776a41e0dec 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -150,7 +150,8 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf) if (fragid == FIRST_FRAGMENT) { if (unlikely(head)) goto err; - if (unlikely(skb_unclone(frag, GFP_ATOMIC))) + frag = skb_unshare(frag, GFP_ATOMIC); + if (unlikely(!frag)) goto err; head = *headbuf = frag; *buf = NULL; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 79cc84393f93..59c9e592b0a2 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -2773,10 +2773,7 @@ static int tipc_shutdown(struct socket *sock, int how)

trace_tipc_sk_shutdown(sk, NULL, TIPC_DUMP_ALL, " "); __tipc_shutdown(sock, TIPC_CONN_SHUTDOWN); - if (tipc_sk_type_connectionless(sk)) - sk->sk_shutdown = SHUTDOWN_MASK; - else - sk->sk_shutdown = SEND_SHUTDOWN; + sk->sk_shutdown = SHUTDOWN_MASK;

if (sk->sk_state == TIPC_DISCONNECTING) { /* Discard any unreceived messages */