From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/net/ethernet/intel/e100.c | 173 +++++++++++++++++++++++++++++----------------------------
1 files changed, 89 insertions(+), 84 deletions(-)
diff --git a/kernel/drivers/net/ethernet/intel/e100.c b/kernel/drivers/net/ethernet/intel/e100.c
index ba5b515..001850d 100644
--- a/kernel/drivers/net/ethernet/intel/e100.c
+++ b/kernel/drivers/net/ethernet/intel/e100.c
@@ -150,8 +150,6 @@
#define DRV_NAME "e100"
-#define DRV_EXT "-NAPI"
-#define DRV_VERSION "3.5.24-k2"DRV_EXT
#define DRV_DESCRIPTION "Intel(R) PRO/100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 1999-2006 Intel Corporation"
@@ -164,8 +162,7 @@
MODULE_DESCRIPTION(DRV_DESCRIPTION);
MODULE_AUTHOR(DRV_COPYRIGHT);
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_VERSION);
+MODULE_LICENSE("GPL v2");
MODULE_FIRMWARE(FIRMWARE_D101M);
MODULE_FIRMWARE(FIRMWARE_D101S);
MODULE_FIRMWARE(FIRMWARE_D102E);
@@ -387,7 +384,7 @@
cb_ok = 0x2000,
};
-/**
+/*
* cb_command - Command Block flags
* @cb_tx_nc: 0: controller does CRC (normal), 1: CRC from skb memory
*/
@@ -1534,7 +1531,7 @@
e100_hw_reset(nic);
netif_err(nic, hw, nic->netdev, "e100_hw_init\n");
- if (!in_interrupt() && (err = e100_self_test(nic)))
+ if ((err = e100_self_test(nic)))
return err;
if ((err = e100_phy_init(nic)))
@@ -1742,14 +1739,11 @@
dma_addr_t dma_addr;
cb->command = nic->tx_command;
- dma_addr = pci_map_single(nic->pdev,
- skb->data, skb->len, PCI_DMA_TODEVICE);
+ dma_addr = dma_map_single(&nic->pdev->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
/* If we can't map the skb, have the upper layer try later */
- if (pci_dma_mapping_error(nic->pdev, dma_addr)) {
- dev_kfree_skb_any(skb);
- skb = NULL;
+ if (dma_mapping_error(&nic->pdev->dev, dma_addr))
return -ENOMEM;
- }
/*
* Use the last 4 bytes of the SKB payload packet as the CRC, used for
@@ -1831,10 +1825,10 @@
dev->stats.tx_packets++;
dev->stats.tx_bytes += cb->skb->len;
- pci_unmap_single(nic->pdev,
- le32_to_cpu(cb->u.tcb.tbd.buf_addr),
- le16_to_cpu(cb->u.tcb.tbd.size),
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&nic->pdev->dev,
+ le32_to_cpu(cb->u.tcb.tbd.buf_addr),
+ le16_to_cpu(cb->u.tcb.tbd.size),
+ DMA_TO_DEVICE);
dev_kfree_skb_any(cb->skb);
cb->skb = NULL;
tx_cleaned = 1;
@@ -1858,10 +1852,10 @@
while (nic->cbs_avail != nic->params.cbs.count) {
struct cb *cb = nic->cb_to_clean;
if (cb->skb) {
- pci_unmap_single(nic->pdev,
- le32_to_cpu(cb->u.tcb.tbd.buf_addr),
- le16_to_cpu(cb->u.tcb.tbd.size),
- PCI_DMA_TODEVICE);
+ dma_unmap_single(&nic->pdev->dev,
+ le32_to_cpu(cb->u.tcb.tbd.buf_addr),
+ le16_to_cpu(cb->u.tcb.tbd.size),
+ DMA_TO_DEVICE);
dev_kfree_skb(cb->skb);
}
nic->cb_to_clean = nic->cb_to_clean->next;
@@ -1928,10 +1922,10 @@
/* Init, and map the RFD. */
skb_copy_to_linear_data(rx->skb, &nic->blank_rfd, sizeof(struct rfd));
- rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data,
- RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
+ rx->dma_addr = dma_map_single(&nic->pdev->dev, rx->skb->data,
+ RFD_BUF_LEN, DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(nic->pdev, rx->dma_addr)) {
+ if (dma_mapping_error(&nic->pdev->dev, rx->dma_addr)) {
dev_kfree_skb_any(rx->skb);
rx->skb = NULL;
rx->dma_addr = 0;
@@ -1944,8 +1938,10 @@
if (rx->prev->skb) {
struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data;
put_unaligned_le32(rx->dma_addr, &prev_rfd->link);
- pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr,
- sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(&nic->pdev->dev,
+ rx->prev->dma_addr,
+ sizeof(struct rfd),
+ DMA_BIDIRECTIONAL);
}
return 0;
@@ -1964,8 +1960,8 @@
return -EAGAIN;
/* Need to sync before taking a peek at cb_complete bit */
- pci_dma_sync_single_for_cpu(nic->pdev, rx->dma_addr,
- sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_cpu(&nic->pdev->dev, rx->dma_addr,
+ sizeof(struct rfd), DMA_BIDIRECTIONAL);
rfd_status = le16_to_cpu(rfd->status);
netif_printk(nic, rx_status, KERN_DEBUG, nic->netdev,
@@ -1984,9 +1980,9 @@
if (ioread8(&nic->csr->scb.status) & rus_no_res)
nic->ru_running = RU_SUSPENDED;
- pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
- sizeof(struct rfd),
- PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_device(&nic->pdev->dev, rx->dma_addr,
+ sizeof(struct rfd),
+ DMA_FROM_DEVICE);
return -ENODATA;
}
@@ -1998,8 +1994,8 @@
actual_size = RFD_BUF_LEN - sizeof(struct rfd);
/* Get data */
- pci_unmap_single(nic->pdev, rx->dma_addr,
- RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_single(&nic->pdev->dev, rx->dma_addr, RFD_BUF_LEN,
+ DMA_BIDIRECTIONAL);
/* If this buffer has the el bit, but we think the receiver
* is still running, check to see if it really stopped while
@@ -2100,22 +2096,25 @@
(struct rfd *)new_before_last_rx->skb->data;
new_before_last_rfd->size = 0;
new_before_last_rfd->command |= cpu_to_le16(cb_el);
- pci_dma_sync_single_for_device(nic->pdev,
- new_before_last_rx->dma_addr, sizeof(struct rfd),
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(&nic->pdev->dev,
+ new_before_last_rx->dma_addr,
+ sizeof(struct rfd),
+ DMA_BIDIRECTIONAL);
/* Now that we have a new stopping point, we can clear the old
* stopping point. We must sync twice to get the proper
* ordering on the hardware side of things. */
old_before_last_rfd->command &= ~cpu_to_le16(cb_el);
- pci_dma_sync_single_for_device(nic->pdev,
- old_before_last_rx->dma_addr, sizeof(struct rfd),
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(&nic->pdev->dev,
+ old_before_last_rx->dma_addr,
+ sizeof(struct rfd),
+ DMA_BIDIRECTIONAL);
old_before_last_rfd->size = cpu_to_le16(VLAN_ETH_FRAME_LEN
+ ETH_FCS_LEN);
- pci_dma_sync_single_for_device(nic->pdev,
- old_before_last_rx->dma_addr, sizeof(struct rfd),
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(&nic->pdev->dev,
+ old_before_last_rx->dma_addr,
+ sizeof(struct rfd),
+ DMA_BIDIRECTIONAL);
}
if (restart_required) {
@@ -2137,8 +2136,9 @@
if (nic->rxs) {
for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
if (rx->skb) {
- pci_unmap_single(nic->pdev, rx->dma_addr,
- RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
+ dma_unmap_single(&nic->pdev->dev,
+ rx->dma_addr, RFD_BUF_LEN,
+ DMA_BIDIRECTIONAL);
dev_kfree_skb(rx->skb);
}
}
@@ -2158,7 +2158,7 @@
nic->rx_to_use = nic->rx_to_clean = NULL;
nic->ru_running = RU_UNINITIALIZED;
- if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))
+ if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_KERNEL)))
return -ENOMEM;
for (rx = nic->rxs, i = 0; i < count; rx++, i++) {
@@ -2180,8 +2180,8 @@
before_last = (struct rfd *)rx->skb->data;
before_last->command |= cpu_to_le16(cb_el);
before_last->size = 0;
- pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,
- sizeof(struct rfd), PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(&nic->pdev->dev, rx->dma_addr,
+ sizeof(struct rfd), DMA_BIDIRECTIONAL);
nic->rx_to_use = nic->rx_to_clean = nic->rxs;
nic->ru_running = RU_SUSPENDED;
@@ -2225,11 +2225,13 @@
e100_rx_clean(nic, &work_done, budget);
e100_tx_clean(nic);
- /* If budget not fully consumed, exit the polling mode */
- if (work_done < budget) {
- napi_complete_done(napi, work_done);
+ /* If budget fully consumed, continue polling */
+ if (work_done == budget)
+ return budget;
+
+ /* only re-enable interrupt if stack agrees polling is really done */
+ if (likely(napi_complete_done(napi, work_done)))
e100_enable_irq(nic);
- }
return work_done;
}
@@ -2314,7 +2316,7 @@
e100_rx_clean_list(nic);
}
-static void e100_tx_timeout(struct net_device *netdev)
+static void e100_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct nic *nic = netdev_priv(netdev);
@@ -2378,8 +2380,8 @@
msleep(10);
- pci_dma_sync_single_for_cpu(nic->pdev, nic->rx_to_clean->dma_addr,
- RFD_BUF_LEN, PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_cpu(&nic->pdev->dev, nic->rx_to_clean->dma_addr,
+ RFD_BUF_LEN, DMA_BIDIRECTIONAL);
if (memcmp(nic->rx_to_clean->skb->data + sizeof(struct rfd),
skb->data, ETH_DATA_LEN))
@@ -2428,7 +2430,6 @@
{
struct nic *nic = netdev_priv(netdev);
strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
- strlcpy(info->version, DRV_VERSION, sizeof(info->version));
strlcpy(info->bus_info, pci_name(nic->pdev),
sizeof(info->bus_info));
}
@@ -2603,7 +2604,7 @@
{
struct ethtool_cmd cmd;
struct nic *nic = netdev_priv(netdev);
- int i, err;
+ int i;
memset(data, 0, E100_TEST_LEN * sizeof(u64));
data[0] = !mii_link_ok(&nic->mii);
@@ -2611,7 +2612,7 @@
if (test->flags & ETH_TEST_FL_OFFLINE) {
/* save speed, duplex & autoneg settings */
- err = mii_ethtool_gset(&nic->mii, &cmd);
+ mii_ethtool_gset(&nic->mii, &cmd);
if (netif_running(netdev))
e100_down(nic);
@@ -2620,7 +2621,7 @@
data[4] = e100_loopback_test(nic, lb_phy);
/* restore speed, duplex & autoneg settings */
- err = mii_ethtool_sset(&nic->mii, &cmd);
+ mii_ethtool_sset(&nic->mii, &cmd);
if (netif_running(netdev))
e100_up(nic);
@@ -2761,16 +2762,16 @@
static int e100_alloc(struct nic *nic)
{
- nic->mem = pci_alloc_consistent(nic->pdev, sizeof(struct mem),
- &nic->dma_addr);
+ nic->mem = dma_alloc_coherent(&nic->pdev->dev, sizeof(struct mem),
+ &nic->dma_addr, GFP_KERNEL);
return nic->mem ? 0 : -ENOMEM;
}
static void e100_free(struct nic *nic)
{
if (nic->mem) {
- pci_free_consistent(nic->pdev, sizeof(struct mem),
- nic->mem, nic->dma_addr);
+ dma_free_coherent(&nic->pdev->dev, sizeof(struct mem),
+ nic->mem, nic->dma_addr);
nic->mem = NULL;
}
}
@@ -2803,7 +2804,7 @@
netdev->features = features;
e100_exec_cb(nic, NULL, e100_configure);
- return 0;
+ return 1;
}
static const struct net_device_ops e100_netdev_ops = {
@@ -2863,7 +2864,7 @@
goto err_out_disable_pdev;
}
- if ((err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) {
+ if ((err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)))) {
netif_err(nic, probe, nic->netdev, "No usable DMA configuration, aborting\n");
goto err_out_free_res;
}
@@ -2999,11 +3000,10 @@
struct net_device *netdev = pci_get_drvdata(pdev);
struct nic *nic = netdev_priv(netdev);
- if (netif_running(netdev))
- e100_down(nic);
netif_device_detach(netdev);
- pci_save_state(pdev);
+ if (netif_running(netdev))
+ e100_down(nic);
if ((nic->flags & wol_magic) | e100_asf(nic)) {
/* enable reverse auto-negotiation */
@@ -3020,7 +3020,7 @@
*enable_wake = false;
}
- pci_clear_master(pdev);
+ pci_disable_device(pdev);
}
static int __e100_power_off(struct pci_dev *pdev, bool wake)
@@ -3034,23 +3034,27 @@
return 0;
}
-#ifdef CONFIG_PM
-static int e100_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __maybe_unused e100_suspend(struct device *dev_d)
{
bool wake;
- __e100_shutdown(pdev, &wake);
- return __e100_power_off(pdev, wake);
+
+ __e100_shutdown(to_pci_dev(dev_d), &wake);
+
+ return 0;
}
-static int e100_resume(struct pci_dev *pdev)
+static int __maybe_unused e100_resume(struct device *dev_d)
{
- struct net_device *netdev = pci_get_drvdata(pdev);
+ struct net_device *netdev = dev_get_drvdata(dev_d);
struct nic *nic = netdev_priv(netdev);
+ int err;
- pci_set_power_state(pdev, PCI_D0);
- pci_restore_state(pdev);
- /* ack any pending wake events, disable PME */
- pci_enable_wake(pdev, PCI_D0, 0);
+ err = pci_enable_device(to_pci_dev(dev_d));
+ if (err) {
+ netdev_err(netdev, "Resume cannot enable PCI device, aborting\n");
+ return err;
+ }
+ pci_set_master(to_pci_dev(dev_d));
/* disable reverse auto-negotiation */
if (nic->phy == phy_82552_v) {
@@ -3062,13 +3066,13 @@
smartspeed & ~(E100_82552_REV_ANEG));
}
- netif_device_attach(netdev);
if (netif_running(netdev))
e100_up(nic);
+ netif_device_attach(netdev);
+
return 0;
}
-#endif /* CONFIG_PM */
static void e100_shutdown(struct pci_dev *pdev)
{
@@ -3156,16 +3160,17 @@
.resume = e100_io_resume,
};
+static SIMPLE_DEV_PM_OPS(e100_pm_ops, e100_suspend, e100_resume);
+
static struct pci_driver e100_driver = {
.name = DRV_NAME,
.id_table = e100_id_table,
.probe = e100_probe,
.remove = e100_remove,
-#ifdef CONFIG_PM
+
/* Power Management hooks */
- .suspend = e100_suspend,
- .resume = e100_resume,
-#endif
+ .driver.pm = &e100_pm_ops,
+
.shutdown = e100_shutdown,
.err_handler = &e100_err_handler,
};
@@ -3173,7 +3178,7 @@
static int __init e100_init_module(void)
{
if (((1 << debug) - 1) & NETIF_MSG_DRV) {
- pr_info("%s, %s\n", DRV_DESCRIPTION, DRV_VERSION);
+ pr_info("%s\n", DRV_DESCRIPTION);
pr_info("%s\n", DRV_COPYRIGHT);
}
return pci_register_driver(&e100_driver);
--
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