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Diffstat (limited to 'drivers/net/ethernet/amd/xgbe/xgbe-drv.c')
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-drv.c820
1 files changed, 184 insertions, 636 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index a87264f95f1a..3ddd896d6987 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -1,117 +1,8 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
/*
- * AMD 10Gb Ethernet driver
- *
- * This file is available to you under your choice of the following two
- * licenses:
- *
- * License 1: GPLv2
- *
- * Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
- *
- * This file is free software; you may copy, redistribute and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or (at
- * your option) any later version.
- *
- * This file is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- * The Synopsys DWC ETHER XGMAC Software Driver and documentation
- * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
- * Inc. unless otherwise expressly agreed to in writing between Synopsys
- * and you.
- *
- * The Software IS NOT an item of Licensed Software or Licensed Product
- * under any End User Software License Agreement or Agreement for Licensed
- * Product with Synopsys or any supplement thereto. Permission is hereby
- * granted, free of charge, to any person obtaining a copy of this software
- * annotated with this license and the Software, to deal in the Software
- * without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
- * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
- *
- *
- * License 2: Modified BSD
- *
- * Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of Advanced Micro Devices, Inc. nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- * The Synopsys DWC ETHER XGMAC Software Driver and documentation
- * (hereinafter "Software") is an unsupported proprietary work of Synopsys,
- * Inc. unless otherwise expressly agreed to in writing between Synopsys
- * and you.
- *
- * The Software IS NOT an item of Licensed Software or Licensed Product
- * under any End User Software License Agreement or Agreement for Licensed
- * Product with Synopsys or any supplement thereto. Permission is hereby
- * granted, free of charge, to any person obtaining a copy of this software
- * annotated with this license and the Software, to deal in the Software
- * without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies
- * of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS"
- * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
- * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- * THE POSSIBILITY OF SUCH DAMAGE.
+ * Copyright (c) 2014-2025, Advanced Micro Devices, Inc.
+ * Copyright (c) 2014, Synopsys, Inc.
+ * All rights reserved
*/
#include <linux/module.h>
@@ -403,9 +294,9 @@ static bool xgbe_ecc_ded(struct xgbe_prv_data *pdata, unsigned long *period,
return false;
}
-static void xgbe_ecc_isr_task(unsigned long data)
+static void xgbe_ecc_isr_bh_work(struct work_struct *work)
{
- struct xgbe_prv_data *pdata = (struct xgbe_prv_data *)data;
+ struct xgbe_prv_data *pdata = from_work(pdata, work, ecc_bh_work);
unsigned int ecc_isr;
bool stop = false;
@@ -465,21 +356,22 @@ static irqreturn_t xgbe_ecc_isr(int irq, void *data)
{
struct xgbe_prv_data *pdata = data;
- if (pdata->isr_as_tasklet)
- tasklet_schedule(&pdata->tasklet_ecc);
+ if (pdata->isr_as_bh_work)
+ queue_work(system_bh_wq, &pdata->ecc_bh_work);
else
- xgbe_ecc_isr_task((unsigned long)pdata);
+ xgbe_ecc_isr_bh_work(&pdata->ecc_bh_work);
return IRQ_HANDLED;
}
-static void xgbe_isr_task(unsigned long data)
+static void xgbe_isr_bh_work(struct work_struct *work)
{
- struct xgbe_prv_data *pdata = (struct xgbe_prv_data *)data;
+ struct xgbe_prv_data *pdata = from_work(pdata, work, dev_bh_work);
+ unsigned int mac_isr, mac_tssr, mac_mdioisr;
struct xgbe_hw_if *hw_if = &pdata->hw_if;
- struct xgbe_channel *channel;
+ bool per_ch_irq, ti, ri, rbu, fbe;
unsigned int dma_isr, dma_ch_isr;
- unsigned int mac_isr, mac_tssr, mac_mdioisr;
+ struct xgbe_channel *channel;
unsigned int i;
/* The DMA interrupt status register also reports MAC and MTL
@@ -493,43 +385,73 @@ static void xgbe_isr_task(unsigned long data)
netif_dbg(pdata, intr, pdata->netdev, "DMA_ISR=%#010x\n", dma_isr);
for (i = 0; i < pdata->channel_count; i++) {
+ bool schedule_napi = false;
+ struct napi_struct *napi;
+
if (!(dma_isr & (1 << i)))
continue;
channel = pdata->channel[i];
dma_ch_isr = XGMAC_DMA_IOREAD(channel, DMA_CH_SR);
+
+ /* Precompute flags once */
+ ti = !!XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI);
+ ri = !!XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI);
+ rbu = !!XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RBU);
+ fbe = !!XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE);
+
netif_dbg(pdata, intr, pdata->netdev, "DMA_CH%u_ISR=%#010x\n",
i, dma_ch_isr);
- /* The TI or RI interrupt bits may still be set even if using
- * per channel DMA interrupts. Check to be sure those are not
- * enabled before using the private data napi structure.
+ per_ch_irq = pdata->per_channel_irq;
+
+ /*
+ * Decide which NAPI to use and whether to schedule:
+ * - When not using per-channel IRQs: schedule on global NAPI
+ * if TI or RI are set.
+ * - RBU should also trigger NAPI (either per-channel or global)
+ * to allow refill.
*/
- if (!pdata->per_channel_irq &&
- (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, TI) ||
- XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RI))) {
- if (napi_schedule_prep(&pdata->napi)) {
- /* Disable Tx and Rx interrupts */
- xgbe_disable_rx_tx_ints(pdata);
+ if (!per_ch_irq && (ti || ri))
+ schedule_napi = true;
+
+ if (rbu) {
+ schedule_napi = true;
+ pdata->ext_stats.rx_buffer_unavailable++;
+ }
- /* Turn on polling */
- __napi_schedule(&pdata->napi);
+ napi = per_ch_irq ? &channel->napi : &pdata->napi;
+
+ if (schedule_napi && napi_schedule_prep(napi)) {
+ /* Disable interrupts appropriately before polling */
+ if (per_ch_irq) {
+ if (pdata->channel_irq_mode)
+ xgbe_disable_rx_tx_int(pdata, channel);
+ else
+ disable_irq_nosync(channel->dma_irq);
+ } else {
+ xgbe_disable_rx_tx_ints(pdata);
}
+
+ /* Turn on polling */
+ __napi_schedule(napi);
} else {
- /* Don't clear Rx/Tx status if doing per channel DMA
- * interrupts, these will be cleared by the ISR for
- * per channel DMA interrupts.
+ /*
+ * Don't clear Rx/Tx status if doing per-channel DMA
+ * interrupts; those bits will be serviced/cleared by
+ * the per-channel ISR/NAPI. In non-per-channel mode
+ * when we're not scheduling NAPI here, ensure we don't
+ * accidentally clear TI/RI in HW: zero them in the
+ * local copy so that the eventual write-back does not
+ * clear TI/RI.
*/
XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, TI, 0);
XGMAC_SET_BITS(dma_ch_isr, DMA_CH_SR, RI, 0);
}
- if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, RBU))
- pdata->ext_stats.rx_buffer_unavailable++;
-
/* Restart the device on a Fatal Bus Error */
- if (XGMAC_GET_BITS(dma_ch_isr, DMA_CH_SR, FBE))
+ if (fbe)
schedule_work(&pdata->restart_work);
/* Clear interrupt signals */
@@ -557,7 +479,7 @@ static void xgbe_isr_task(unsigned long data)
if (XGMAC_GET_BITS(mac_tssr, MAC_TSSR, TXTSC)) {
/* Read Tx Timestamp to clear interrupt */
pdata->tx_tstamp =
- hw_if->get_tx_tstamp(pdata);
+ xgbe_get_tx_tstamp(pdata);
queue_work(pdata->dev_workqueue,
&pdata->tx_tstamp_work);
}
@@ -582,7 +504,7 @@ isr_done:
/* If there is not a separate ECC irq, handle it here */
if (pdata->vdata->ecc_support && (pdata->dev_irq == pdata->ecc_irq))
- xgbe_ecc_isr_task((unsigned long)pdata);
+ xgbe_ecc_isr_bh_work(&pdata->ecc_bh_work);
/* If there is not a separate I2C irq, handle it here */
if (pdata->vdata->i2c_support && (pdata->dev_irq == pdata->i2c_irq))
@@ -604,10 +526,10 @@ static irqreturn_t xgbe_isr(int irq, void *data)
{
struct xgbe_prv_data *pdata = data;
- if (pdata->isr_as_tasklet)
- tasklet_schedule(&pdata->tasklet_dev);
+ if (pdata->isr_as_bh_work)
+ queue_work(system_bh_wq, &pdata->dev_bh_work);
else
- xgbe_isr_task((unsigned long)pdata);
+ xgbe_isr_bh_work(&pdata->dev_bh_work);
return IRQ_HANDLED;
}
@@ -643,7 +565,8 @@ static irqreturn_t xgbe_dma_isr(int irq, void *data)
static void xgbe_tx_timer(struct timer_list *t)
{
- struct xgbe_channel *channel = from_timer(channel, t, tx_timer);
+ struct xgbe_channel *channel = timer_container_of(channel, t,
+ tx_timer);
struct xgbe_prv_data *pdata = channel->pdata;
struct napi_struct *napi;
@@ -681,11 +604,26 @@ static void xgbe_service(struct work_struct *work)
static void xgbe_service_timer(struct timer_list *t)
{
- struct xgbe_prv_data *pdata = from_timer(pdata, t, service_timer);
+ struct xgbe_prv_data *pdata = timer_container_of(pdata, t,
+ service_timer);
+ struct xgbe_channel *channel;
+ unsigned int i;
queue_work(pdata->dev_workqueue, &pdata->service_work);
mod_timer(&pdata->service_timer, jiffies + HZ);
+
+ if (!pdata->tx_usecs)
+ return;
+
+ for (i = 0; i < pdata->channel_count; i++) {
+ channel = pdata->channel[i];
+ if (!channel->tx_ring || channel->tx_timer_active)
+ break;
+ channel->tx_timer_active = 1;
+ mod_timer(&channel->tx_timer,
+ jiffies + usecs_to_jiffies(pdata->tx_usecs));
+ }
}
static void xgbe_init_timers(struct xgbe_prv_data *pdata)
@@ -714,14 +652,16 @@ static void xgbe_stop_timers(struct xgbe_prv_data *pdata)
struct xgbe_channel *channel;
unsigned int i;
- del_timer_sync(&pdata->service_timer);
+ timer_delete_sync(&pdata->service_timer);
for (i = 0; i < pdata->channel_count; i++) {
channel = pdata->channel[i];
if (!channel->tx_ring)
break;
- del_timer_sync(&channel->tx_timer);
+ /* Deactivate the Tx timer */
+ timer_delete_sync(&channel->tx_timer);
+ channel->tx_timer_active = 0;
}
}
@@ -782,6 +722,21 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
hw_feat->pps_out_num = XGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, PPSOUTNUM);
hw_feat->aux_snap_num = XGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, AUXSNAPNUM);
+ /* Sanity check and warn if hardware reports more than supported */
+ if (hw_feat->pps_out_num > XGBE_MAX_PPS_OUT) {
+ dev_warn(pdata->dev,
+ "Hardware reports %u PPS outputs, limiting to %u\n",
+ hw_feat->pps_out_num, XGBE_MAX_PPS_OUT);
+ hw_feat->pps_out_num = XGBE_MAX_PPS_OUT;
+ }
+
+ if (hw_feat->aux_snap_num > XGBE_MAX_AUX_SNAP) {
+ dev_warn(pdata->dev,
+ "Hardware reports %u aux snapshot inputs, limiting to %u\n",
+ hw_feat->aux_snap_num, XGBE_MAX_AUX_SNAP);
+ hw_feat->aux_snap_num = XGBE_MAX_AUX_SNAP;
+ }
+
/* Translate the Hash Table size into actual number */
switch (hw_feat->hash_table_size) {
case 0:
@@ -904,114 +859,40 @@ void xgbe_get_all_hw_features(struct xgbe_prv_data *pdata)
}
}
-static void xgbe_disable_vxlan_offloads(struct xgbe_prv_data *pdata)
+static int xgbe_vxlan_set_port(struct net_device *netdev, unsigned int table,
+ unsigned int entry, struct udp_tunnel_info *ti)
{
- struct net_device *netdev = pdata->netdev;
-
- if (!pdata->vxlan_offloads_set)
- return;
-
- netdev_info(netdev, "disabling VXLAN offloads\n");
-
- netdev->hw_enc_features &= ~(NETIF_F_SG |
- NETIF_F_IP_CSUM |
- NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM |
- NETIF_F_TSO |
- NETIF_F_TSO6 |
- NETIF_F_GRO |
- NETIF_F_GSO_UDP_TUNNEL |
- NETIF_F_GSO_UDP_TUNNEL_CSUM);
+ struct xgbe_prv_data *pdata = netdev_priv(netdev);
- netdev->features &= ~(NETIF_F_GSO_UDP_TUNNEL |
- NETIF_F_GSO_UDP_TUNNEL_CSUM);
+ pdata->vxlan_port = be16_to_cpu(ti->port);
+ pdata->hw_if.enable_vxlan(pdata);
- pdata->vxlan_offloads_set = 0;
+ return 0;
}
-static void xgbe_disable_vxlan_hw(struct xgbe_prv_data *pdata)
+static int xgbe_vxlan_unset_port(struct net_device *netdev, unsigned int table,
+ unsigned int entry, struct udp_tunnel_info *ti)
{
- if (!pdata->vxlan_port_set)
- return;
+ struct xgbe_prv_data *pdata = netdev_priv(netdev);
pdata->hw_if.disable_vxlan(pdata);
-
- pdata->vxlan_port_set = 0;
pdata->vxlan_port = 0;
-}
-
-static void xgbe_disable_vxlan_accel(struct xgbe_prv_data *pdata)
-{
- xgbe_disable_vxlan_offloads(pdata);
-
- xgbe_disable_vxlan_hw(pdata);
-}
-
-static void xgbe_enable_vxlan_offloads(struct xgbe_prv_data *pdata)
-{
- struct net_device *netdev = pdata->netdev;
-
- if (pdata->vxlan_offloads_set)
- return;
-
- netdev_info(netdev, "enabling VXLAN offloads\n");
-
- netdev->hw_enc_features |= NETIF_F_SG |
- NETIF_F_IP_CSUM |
- NETIF_F_IPV6_CSUM |
- NETIF_F_RXCSUM |
- NETIF_F_TSO |
- NETIF_F_TSO6 |
- NETIF_F_GRO |
- pdata->vxlan_features;
-
- netdev->features |= pdata->vxlan_features;
-
- pdata->vxlan_offloads_set = 1;
-}
-
-static void xgbe_enable_vxlan_hw(struct xgbe_prv_data *pdata)
-{
- struct xgbe_vxlan_data *vdata;
-
- if (pdata->vxlan_port_set)
- return;
-
- if (list_empty(&pdata->vxlan_ports))
- return;
- vdata = list_first_entry(&pdata->vxlan_ports,
- struct xgbe_vxlan_data, list);
-
- pdata->vxlan_port_set = 1;
- pdata->vxlan_port = be16_to_cpu(vdata->port);
-
- pdata->hw_if.enable_vxlan(pdata);
+ return 0;
}
-static void xgbe_enable_vxlan_accel(struct xgbe_prv_data *pdata)
-{
- /* VXLAN acceleration desired? */
- if (!pdata->vxlan_features)
- return;
-
- /* VXLAN acceleration possible? */
- if (pdata->vxlan_force_disable)
- return;
-
- xgbe_enable_vxlan_hw(pdata);
-
- xgbe_enable_vxlan_offloads(pdata);
-}
+static const struct udp_tunnel_nic_info xgbe_udp_tunnels = {
+ .set_port = xgbe_vxlan_set_port,
+ .unset_port = xgbe_vxlan_unset_port,
+ .flags = UDP_TUNNEL_NIC_INFO_OPEN_ONLY,
+ .tables = {
+ { .n_entries = 1, .tunnel_types = UDP_TUNNEL_TYPE_VXLAN, },
+ },
+};
-static void xgbe_reset_vxlan_accel(struct xgbe_prv_data *pdata)
+const struct udp_tunnel_nic_info *xgbe_get_udp_tunnel_info(void)
{
- xgbe_disable_vxlan_hw(pdata);
-
- if (pdata->vxlan_features)
- xgbe_enable_vxlan_offloads(pdata);
-
- pdata->vxlan_force_disable = 0;
+ return &xgbe_udp_tunnels;
}
static void xgbe_napi_enable(struct xgbe_prv_data *pdata, unsigned int add)
@@ -1024,14 +905,14 @@ static void xgbe_napi_enable(struct xgbe_prv_data *pdata, unsigned int add)
channel = pdata->channel[i];
if (add)
netif_napi_add(pdata->netdev, &channel->napi,
- xgbe_one_poll, NAPI_POLL_WEIGHT);
+ xgbe_one_poll);
napi_enable(&channel->napi);
}
} else {
if (add)
netif_napi_add(pdata->netdev, &pdata->napi,
- xgbe_all_poll, NAPI_POLL_WEIGHT);
+ xgbe_all_poll);
napi_enable(&pdata->napi);
}
@@ -1065,9 +946,8 @@ static int xgbe_request_irqs(struct xgbe_prv_data *pdata)
unsigned int i;
int ret;
- tasklet_init(&pdata->tasklet_dev, xgbe_isr_task, (unsigned long)pdata);
- tasklet_init(&pdata->tasklet_ecc, xgbe_ecc_isr_task,
- (unsigned long)pdata);
+ INIT_WORK(&pdata->dev_bh_work, xgbe_isr_bh_work);
+ INIT_WORK(&pdata->ecc_bh_work, xgbe_ecc_isr_bh_work);
ret = devm_request_irq(pdata->dev, pdata->dev_irq, xgbe_isr, 0,
netdev_name(netdev), pdata);
@@ -1137,6 +1017,9 @@ static void xgbe_free_irqs(struct xgbe_prv_data *pdata)
devm_free_irq(pdata->dev, pdata->dev_irq, pdata);
+ cancel_work_sync(&pdata->dev_bh_work);
+ cancel_work_sync(&pdata->ecc_bh_work);
+
if (pdata->vdata->ecc_support && (pdata->dev_irq != pdata->ecc_irq))
devm_free_irq(pdata->dev, pdata->ecc_irq, pdata);
@@ -1228,7 +1111,6 @@ static void xgbe_free_rx_data(struct xgbe_prv_data *pdata)
static int xgbe_phy_reset(struct xgbe_prv_data *pdata)
{
- pdata->phy_link = -1;
pdata->phy_speed = SPEED_UNKNOWN;
return pdata->phy_if.phy_reset(pdata);
@@ -1406,7 +1288,12 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
hw_if->enable_tx(pdata);
hw_if->enable_rx(pdata);
- udp_tunnel_get_rx_info(netdev);
+ udp_tunnel_nic_reset_ntf(netdev);
+
+ /* Reset the phy settings */
+ ret = xgbe_phy_reset(pdata);
+ if (ret)
+ goto err_txrx;
netif_tx_start_all_queues(netdev);
@@ -1417,6 +1304,10 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
return 0;
+err_txrx:
+ hw_if->disable_rx(pdata);
+ hw_if->disable_tx(pdata);
+
err_irqs:
xgbe_free_irqs(pdata);
@@ -1443,11 +1334,12 @@ static void xgbe_stop(struct xgbe_prv_data *pdata)
return;
netif_tx_stop_all_queues(netdev);
+ netif_carrier_off(pdata->netdev);
xgbe_stop_timers(pdata);
flush_workqueue(pdata->dev_workqueue);
- xgbe_reset_vxlan_accel(pdata);
+ xgbe_vxlan_unset_port(netdev, 0, 0, NULL);
hw_if->disable_tx(pdata);
hw_if->disable_rx(pdata);
@@ -1533,202 +1425,6 @@ static void xgbe_restart(struct work_struct *work)
rtnl_unlock();
}
-static void xgbe_tx_tstamp(struct work_struct *work)
-{
- struct xgbe_prv_data *pdata = container_of(work,
- struct xgbe_prv_data,
- tx_tstamp_work);
- struct skb_shared_hwtstamps hwtstamps;
- u64 nsec;
- unsigned long flags;
-
- spin_lock_irqsave(&pdata->tstamp_lock, flags);
- if (!pdata->tx_tstamp_skb)
- goto unlock;
-
- if (pdata->tx_tstamp) {
- nsec = timecounter_cyc2time(&pdata->tstamp_tc,
- pdata->tx_tstamp);
-
- memset(&hwtstamps, 0, sizeof(hwtstamps));
- hwtstamps.hwtstamp = ns_to_ktime(nsec);
- skb_tstamp_tx(pdata->tx_tstamp_skb, &hwtstamps);
- }
-
- dev_kfree_skb_any(pdata->tx_tstamp_skb);
-
- pdata->tx_tstamp_skb = NULL;
-
-unlock:
- spin_unlock_irqrestore(&pdata->tstamp_lock, flags);
-}
-
-static int xgbe_get_hwtstamp_settings(struct xgbe_prv_data *pdata,
- struct ifreq *ifreq)
-{
- if (copy_to_user(ifreq->ifr_data, &pdata->tstamp_config,
- sizeof(pdata->tstamp_config)))
- return -EFAULT;
-
- return 0;
-}
-
-static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata,
- struct ifreq *ifreq)
-{
- struct hwtstamp_config config;
- unsigned int mac_tscr;
-
- if (copy_from_user(&config, ifreq->ifr_data, sizeof(config)))
- return -EFAULT;
-
- if (config.flags)
- return -EINVAL;
-
- mac_tscr = 0;
-
- switch (config.tx_type) {
- case HWTSTAMP_TX_OFF:
- break;
-
- case HWTSTAMP_TX_ON:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- default:
- return -ERANGE;
- }
-
- switch (config.rx_filter) {
- case HWTSTAMP_FILTER_NONE:
- break;
-
- case HWTSTAMP_FILTER_NTP_ALL:
- case HWTSTAMP_FILTER_ALL:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENALL, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* PTP v2, UDP, any kind of event packet */
- case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1);
- /* Fall through - to PTP v1, UDP, any kind of event packet */
- case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, SNAPTYPSEL, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* PTP v2, UDP, Sync packet */
- case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1);
- /* Fall through - to PTP v1, UDP, Sync packet */
- case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSEVNTENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* PTP v2, UDP, Delay_req packet */
- case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1);
- /* Fall through - to PTP v1, UDP, Delay_req packet */
- case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSEVNTENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSMSTRENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* 802.AS1, Ethernet, any kind of event packet */
- case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, AV8021ASMEN, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, SNAPTYPSEL, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* 802.AS1, Ethernet, Sync packet */
- case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, AV8021ASMEN, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSEVNTENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* 802.AS1, Ethernet, Delay_req packet */
- case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, AV8021ASMEN, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSMSTRENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSEVNTENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* PTP v2/802.AS1, any layer, any kind of event packet */
- case HWTSTAMP_FILTER_PTP_V2_EVENT:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, SNAPTYPSEL, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* PTP v2/802.AS1, any layer, Sync packet */
- case HWTSTAMP_FILTER_PTP_V2_SYNC:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSEVNTENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- /* PTP v2/802.AS1, any layer, Delay_req packet */
- case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSVER2ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV4ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSIPV6ENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSMSTRENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSEVNTENA, 1);
- XGMAC_SET_BITS(mac_tscr, MAC_TSCR, TSENA, 1);
- break;
-
- default:
- return -ERANGE;
- }
-
- pdata->hw_if.config_tstamp(pdata, mac_tscr);
-
- memcpy(&pdata->tstamp_config, &config, sizeof(config));
-
- return 0;
-}
-
-static void xgbe_prep_tx_tstamp(struct xgbe_prv_data *pdata,
- struct sk_buff *skb,
- struct xgbe_packet_data *packet)
-{
- unsigned long flags;
-
- if (XGMAC_GET_BITS(packet->attributes, TX_PACKET_ATTRIBUTES, PTP)) {
- spin_lock_irqsave(&pdata->tstamp_lock, flags);
- if (pdata->tx_tstamp_skb) {
- /* Another timestamp in progress, ignore this one */
- XGMAC_SET_BITS(packet->attributes,
- TX_PACKET_ATTRIBUTES, PTP, 0);
- } else {
- pdata->tx_tstamp_skb = skb_get(skb);
- skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
- }
- spin_unlock_irqrestore(&pdata->tstamp_lock, flags);
- }
-
- skb_tx_timestamp(skb);
-}
-
static void xgbe_prep_vlan(struct sk_buff *skb, struct xgbe_packet_data *packet)
{
if (skb_vlan_tag_present(skb))
@@ -1748,12 +1444,10 @@ static int xgbe_prep_tso(struct sk_buff *skb, struct xgbe_packet_data *packet)
return ret;
if (XGMAC_GET_BITS(packet->attributes, TX_PACKET_ATTRIBUTES, VXLAN)) {
- packet->header_len = skb_inner_transport_offset(skb) +
- inner_tcp_hdrlen(skb);
+ packet->header_len = skb_inner_tcp_all_headers(skb);
packet->tcp_header_len = inner_tcp_hdrlen(skb);
} else {
- packet->header_len = skb_transport_offset(skb) +
- tcp_hdrlen(skb);
+ packet->header_len = skb_tcp_all_headers(skb);
packet->tcp_header_len = tcp_hdrlen(skb);
}
packet->tcp_payload_len = skb->len - packet->header_len;
@@ -1773,13 +1467,8 @@ static int xgbe_prep_tso(struct sk_buff *skb, struct xgbe_packet_data *packet)
return 0;
}
-static bool xgbe_is_vxlan(struct xgbe_prv_data *pdata, struct sk_buff *skb)
+static bool xgbe_is_vxlan(struct sk_buff *skb)
{
- struct xgbe_vxlan_data *vdata;
-
- if (pdata->vxlan_force_disable)
- return false;
-
if (!skb->encapsulation)
return false;
@@ -1801,19 +1490,13 @@ static bool xgbe_is_vxlan(struct xgbe_prv_data *pdata, struct sk_buff *skb)
return false;
}
- /* See if we have the UDP port in our list */
- list_for_each_entry(vdata, &pdata->vxlan_ports, list) {
- if ((skb->protocol == htons(ETH_P_IP)) &&
- (vdata->sa_family == AF_INET) &&
- (vdata->port == udp_hdr(skb)->dest))
- return true;
- else if ((skb->protocol == htons(ETH_P_IPV6)) &&
- (vdata->sa_family == AF_INET6) &&
- (vdata->port == udp_hdr(skb)->dest))
- return true;
- }
+ if (skb->inner_protocol_type != ENCAP_TYPE_ETHER ||
+ skb->inner_protocol != htons(ETH_P_TEB) ||
+ (skb_inner_mac_header(skb) - skb_transport_header(skb) !=
+ sizeof(struct udphdr) + sizeof(struct vxlanhdr)))
+ return false;
- return false;
+ return true;
}
static int xgbe_is_tso(struct sk_buff *skb)
@@ -1864,7 +1547,7 @@ static void xgbe_packet_info(struct xgbe_prv_data *pdata,
XGMAC_SET_BITS(packet->attributes, TX_PACKET_ATTRIBUTES,
CSUM_ENABLE, 1);
- if (xgbe_is_vxlan(pdata, skb))
+ if (xgbe_is_vxlan(skb))
XGMAC_SET_BITS(packet->attributes, TX_PACKET_ATTRIBUTES,
VXLAN, 1);
@@ -1931,11 +1614,6 @@ static int xgbe_open(struct net_device *netdev)
goto err_dev_wq;
}
- /* Reset the phy settings */
- ret = xgbe_phy_reset(pdata);
- if (ret)
- goto err_an_wq;
-
/* Enable the clocks */
ret = clk_prepare_enable(pdata->sysclk);
if (ret) {
@@ -1954,6 +1632,9 @@ static int xgbe_open(struct net_device *netdev)
INIT_WORK(&pdata->stopdev_work, xgbe_stopdev);
INIT_WORK(&pdata->tx_tstamp_work, xgbe_tx_tstamp);
+ /* Initialize PTP timestamping and clock. */
+ xgbe_init_ptp(pdata);
+
ret = xgbe_alloc_memory(pdata);
if (ret)
goto err_ptpclk;
@@ -1997,10 +1678,8 @@ static int xgbe_close(struct net_device *netdev)
clk_disable_unprepare(pdata->ptpclk);
clk_disable_unprepare(pdata->sysclk);
- flush_workqueue(pdata->an_workqueue);
destroy_workqueue(pdata->an_workqueue);
- flush_workqueue(pdata->dev_workqueue);
destroy_workqueue(pdata->dev_workqueue);
set_bit(XGBE_DOWN, &pdata->dev_state);
@@ -2101,7 +1780,7 @@ static int xgbe_set_mac_address(struct net_device *netdev, void *addr)
if (!is_valid_ether_addr(saddr->sa_data))
return -EADDRNOTAVAIL;
- memcpy(netdev->dev_addr, saddr->sa_data, netdev->addr_len);
+ eth_hw_addr_set(netdev, saddr->sa_data);
hw_if->set_mac_address(pdata, netdev->dev_addr);
@@ -2110,27 +1789,6 @@ static int xgbe_set_mac_address(struct net_device *netdev, void *addr)
return 0;
}
-static int xgbe_ioctl(struct net_device *netdev, struct ifreq *ifreq, int cmd)
-{
- struct xgbe_prv_data *pdata = netdev_priv(netdev);
- int ret;
-
- switch (cmd) {
- case SIOCGHWTSTAMP:
- ret = xgbe_get_hwtstamp_settings(pdata, ifreq);
- break;
-
- case SIOCSHWTSTAMP:
- ret = xgbe_set_hwtstamp_settings(pdata, ifreq);
- break;
-
- default:
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
static int xgbe_change_mtu(struct net_device *netdev, int mtu)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
@@ -2143,7 +1801,7 @@ static int xgbe_change_mtu(struct net_device *netdev, int mtu)
return ret;
pdata->rx_buf_size = ret;
- netdev->mtu = mtu;
+ WRITE_ONCE(netdev->mtu, mtu);
xgbe_restart_dev(pdata);
@@ -2271,23 +1929,12 @@ static netdev_features_t xgbe_fix_features(struct net_device *netdev,
netdev_features_t features)
{
struct xgbe_prv_data *pdata = netdev_priv(netdev);
- netdev_features_t vxlan_base, vxlan_mask;
+ netdev_features_t vxlan_base;
vxlan_base = NETIF_F_GSO_UDP_TUNNEL | NETIF_F_RX_UDP_TUNNEL_PORT;
- vxlan_mask = vxlan_base | NETIF_F_GSO_UDP_TUNNEL_CSUM;
- pdata->vxlan_features = features & vxlan_mask;
-
- /* Only fix VXLAN-related features */
- if (!pdata->vxlan_features)
- return features;
-
- /* If VXLAN isn't supported then clear any features:
- * This is needed because NETIF_F_RX_UDP_TUNNEL_PORT gets
- * automatically set if ndo_udp_tunnel_add is set.
- */
if (!pdata->hw_feat.vxn)
- return features & ~vxlan_mask;
+ return features;
/* VXLAN CSUM requires VXLAN base */
if ((features & NETIF_F_GSO_UDP_TUNNEL_CSUM) &&
@@ -2318,15 +1965,6 @@ static netdev_features_t xgbe_fix_features(struct net_device *netdev,
}
}
- pdata->vxlan_features = features & vxlan_mask;
-
- /* Adjust UDP Tunnel based on current state */
- if (pdata->vxlan_force_disable) {
- netdev_notice(netdev,
- "VXLAN acceleration disabled, turning off udp tunnel features\n");
- features &= ~vxlan_mask;
- }
-
return features;
}
@@ -2336,14 +1974,12 @@ static int xgbe_set_features(struct net_device *netdev,
struct xgbe_prv_data *pdata = netdev_priv(netdev);
struct xgbe_hw_if *hw_if = &pdata->hw_if;
netdev_features_t rxhash, rxcsum, rxvlan, rxvlan_filter;
- netdev_features_t udp_tunnel;
int ret = 0;
rxhash = pdata->netdev_features & NETIF_F_RXHASH;
rxcsum = pdata->netdev_features & NETIF_F_RXCSUM;
rxvlan = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_RX;
rxvlan_filter = pdata->netdev_features & NETIF_F_HW_VLAN_CTAG_FILTER;
- udp_tunnel = pdata->netdev_features & NETIF_F_GSO_UDP_TUNNEL;
if ((features & NETIF_F_RXHASH) && !rxhash)
ret = hw_if->enable_rss(pdata);
@@ -2352,10 +1988,17 @@ static int xgbe_set_features(struct net_device *netdev,
if (ret)
return ret;
- if ((features & NETIF_F_RXCSUM) && !rxcsum)
+ if ((features & NETIF_F_RXCSUM) && !rxcsum) {
+ hw_if->enable_sph(pdata);
+ hw_if->enable_vxlan(pdata);
hw_if->enable_rx_csum(pdata);
- else if (!(features & NETIF_F_RXCSUM) && rxcsum)
+ schedule_work(&pdata->restart_work);
+ } else if (!(features & NETIF_F_RXCSUM) && rxcsum) {
+ hw_if->disable_sph(pdata);
+ hw_if->disable_vxlan(pdata);
hw_if->disable_rx_csum(pdata);
+ schedule_work(&pdata->restart_work);
+ }
if ((features & NETIF_F_HW_VLAN_CTAG_RX) && !rxvlan)
hw_if->enable_rx_vlan_stripping(pdata);
@@ -2367,11 +2010,6 @@ static int xgbe_set_features(struct net_device *netdev,
else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) && rxvlan_filter)
hw_if->disable_rx_vlan_filtering(pdata);
- if ((features & NETIF_F_GSO_UDP_TUNNEL) && !udp_tunnel)
- xgbe_enable_vxlan_accel(pdata);
- else if (!(features & NETIF_F_GSO_UDP_TUNNEL) && udp_tunnel)
- xgbe_disable_vxlan_accel(pdata);
-
pdata->netdev_features = features;
DBGPR("<--xgbe_set_features\n");
@@ -2379,101 +2017,6 @@ static int xgbe_set_features(struct net_device *netdev,
return 0;
}
-static void xgbe_udp_tunnel_add(struct net_device *netdev,
- struct udp_tunnel_info *ti)
-{
- struct xgbe_prv_data *pdata = netdev_priv(netdev);
- struct xgbe_vxlan_data *vdata;
-
- if (!pdata->hw_feat.vxn)
- return;
-
- if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
- return;
-
- pdata->vxlan_port_count++;
-
- netif_dbg(pdata, drv, netdev,
- "adding VXLAN tunnel, family=%hx/port=%hx\n",
- ti->sa_family, be16_to_cpu(ti->port));
-
- if (pdata->vxlan_force_disable)
- return;
-
- vdata = kzalloc(sizeof(*vdata), GFP_ATOMIC);
- if (!vdata) {
- /* Can no longer properly track VXLAN ports */
- pdata->vxlan_force_disable = 1;
- netif_dbg(pdata, drv, netdev,
- "internal error, disabling VXLAN accelerations\n");
-
- xgbe_disable_vxlan_accel(pdata);
-
- return;
- }
- vdata->sa_family = ti->sa_family;
- vdata->port = ti->port;
-
- list_add_tail(&vdata->list, &pdata->vxlan_ports);
-
- /* First port added? */
- if (pdata->vxlan_port_count == 1) {
- xgbe_enable_vxlan_accel(pdata);
-
- return;
- }
-}
-
-static void xgbe_udp_tunnel_del(struct net_device *netdev,
- struct udp_tunnel_info *ti)
-{
- struct xgbe_prv_data *pdata = netdev_priv(netdev);
- struct xgbe_vxlan_data *vdata;
-
- if (!pdata->hw_feat.vxn)
- return;
-
- if (ti->type != UDP_TUNNEL_TYPE_VXLAN)
- return;
-
- netif_dbg(pdata, drv, netdev,
- "deleting VXLAN tunnel, family=%hx/port=%hx\n",
- ti->sa_family, be16_to_cpu(ti->port));
-
- /* Don't need safe version since loop terminates with deletion */
- list_for_each_entry(vdata, &pdata->vxlan_ports, list) {
- if (vdata->sa_family != ti->sa_family)
- continue;
-
- if (vdata->port != ti->port)
- continue;
-
- list_del(&vdata->list);
- kfree(vdata);
-
- break;
- }
-
- pdata->vxlan_port_count--;
- if (!pdata->vxlan_port_count) {
- xgbe_reset_vxlan_accel(pdata);
-
- return;
- }
-
- if (pdata->vxlan_force_disable)
- return;
-
- /* See if VXLAN tunnel id needs to be changed */
- vdata = list_first_entry(&pdata->vxlan_ports,
- struct xgbe_vxlan_data, list);
- if (pdata->vxlan_port == be16_to_cpu(vdata->port))
- return;
-
- pdata->vxlan_port = be16_to_cpu(vdata->port);
- pdata->hw_if.set_vxlan_id(pdata);
-}
-
static netdev_features_t xgbe_features_check(struct sk_buff *skb,
struct net_device *netdev,
netdev_features_t features)
@@ -2491,7 +2034,6 @@ static const struct net_device_ops xgbe_netdev_ops = {
.ndo_set_rx_mode = xgbe_set_rx_mode,
.ndo_set_mac_address = xgbe_set_mac_address,
.ndo_validate_addr = eth_validate_addr,
- .ndo_do_ioctl = xgbe_ioctl,
.ndo_change_mtu = xgbe_change_mtu,
.ndo_tx_timeout = xgbe_tx_timeout,
.ndo_get_stats64 = xgbe_get_stats64,
@@ -2503,9 +2045,9 @@ static const struct net_device_ops xgbe_netdev_ops = {
.ndo_setup_tc = xgbe_setup_tc,
.ndo_fix_features = xgbe_fix_features,
.ndo_set_features = xgbe_set_features,
- .ndo_udp_tunnel_add = xgbe_udp_tunnel_add,
- .ndo_udp_tunnel_del = xgbe_udp_tunnel_del,
.ndo_features_check = xgbe_features_check,
+ .ndo_hwtstamp_get = xgbe_get_hwtstamp_settings,
+ .ndo_hwtstamp_set = xgbe_set_hwtstamp_settings,
};
const struct net_device_ops *xgbe_get_netdev_ops(void)
@@ -2764,6 +2306,14 @@ read_again:
buf2_len = xgbe_rx_buf2_len(rdata, packet, len);
len += buf2_len;
+ if (buf2_len > rdata->rx.buf.dma_len) {
+ /* Hardware inconsistency within the descriptors
+ * that has resulted in a length underflow.
+ */
+ error = 1;
+ goto skip_data;
+ }
+
if (!skb) {
skb = xgbe_create_skb(pdata, napi, rdata,
buf1_len);
@@ -2793,8 +2343,10 @@ skip_data:
if (!last || context_next)
goto read_again;
- if (!skb)
+ if (!skb || error) {
+ dev_kfree_skb(skb);
goto next_packet;
+ }
/* Be sure we don't exceed the configured MTU */
max_len = netdev->mtu + ETH_HLEN;
@@ -2833,12 +2385,8 @@ skip_data:
if (XGMAC_GET_BITS(packet->attributes,
RX_PACKET_ATTRIBUTES, RX_TSTAMP)) {
- u64 nsec;
-
- nsec = timecounter_cyc2time(&pdata->tstamp_tc,
- packet->rx_tstamp);
hwtstamps = skb_hwtstamps(skb);
- hwtstamps->hwtstamp = ns_to_ktime(nsec);
+ hwtstamps->hwtstamp = ns_to_ktime(packet->rx_tstamp);
}
if (XGMAC_GET_BITS(packet->attributes,
@@ -2986,7 +2534,7 @@ void xgbe_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx)
netdev_dbg(netdev, "Dst MAC addr: %pM\n", eth->h_dest);
netdev_dbg(netdev, "Src MAC addr: %pM\n", eth->h_source);
- netdev_dbg(netdev, "Protocol: %#06hx\n", ntohs(eth->h_proto));
+ netdev_dbg(netdev, "Protocol: %#06x\n", ntohs(eth->h_proto));
for (i = 0; i < skb->len; i += 32) {
unsigned int len = min(skb->len - i, 32U);