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/igbvf/netdev.c | 88 +++++++++++++++++--------------------------
1 files changed, 35 insertions(+), 53 deletions(-)
diff --git a/kernel/drivers/net/ethernet/intel/igbvf/netdev.c b/kernel/drivers/net/ethernet/intel/igbvf/netdev.c
index df827c2..fe8c0a2 100644
--- a/kernel/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/kernel/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -24,9 +24,7 @@
#include "igbvf.h"
-#define DRV_VERSION "2.4.0-k"
char igbvf_driver_name[] = "igbvf";
-const char igbvf_driver_version[] = DRV_VERSION;
static const char igbvf_driver_string[] =
"Intel(R) Gigabit Virtual Function Network Driver";
static const char igbvf_copyright[] =
@@ -63,7 +61,7 @@
/**
* igbvf_desc_unused - calculate if we have unused descriptors
- * @rx_ring: address of receive ring structure
+ * @ring: address of receive ring structure
**/
static int igbvf_desc_unused(struct igbvf_ring *ring)
{
@@ -76,6 +74,8 @@
/**
* igbvf_receive_skb - helper function to handle Rx indications
* @adapter: board private structure
+ * @netdev: pointer to netdev struct
+ * @skb: skb to indicate to stack
* @status: descriptor status field as written by hardware
* @vlan: descriptor vlan field as written by hardware (no le/be conversion)
* @skb: pointer to sk_buff to be indicated to stack
@@ -83,14 +83,14 @@
static void igbvf_receive_skb(struct igbvf_adapter *adapter,
struct net_device *netdev,
struct sk_buff *skb,
- u32 status, u16 vlan)
+ u32 status, __le16 vlan)
{
u16 vid;
if (status & E1000_RXD_STAT_VP) {
if ((adapter->flags & IGBVF_FLAG_RX_LB_VLAN_BSWAP) &&
(status & E1000_RXDEXT_STATERR_LB))
- vid = be16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
+ vid = be16_to_cpu((__force __be16)vlan) & E1000_RXD_SPC_VLAN_MASK;
else
vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK;
if (test_bit(vid, adapter->active_vlans))
@@ -235,6 +235,8 @@
/**
* igbvf_clean_rx_irq - Send received data up the network stack; legacy
* @adapter: board private structure
+ * @work_done: output parameter used to indicate completed work
+ * @work_to_do: input parameter setting limit of work
*
* the return value indicates whether actual cleaning was done, there
* is no guarantee that everything was cleaned
@@ -408,6 +410,7 @@
/**
* igbvf_setup_tx_resources - allocate Tx resources (Descriptors)
* @adapter: board private structure
+ * @tx_ring: ring being initialized
*
* Return 0 on success, negative on failure
**/
@@ -446,6 +449,7 @@
/**
* igbvf_setup_rx_resources - allocate Rx resources (Descriptors)
* @adapter: board private structure
+ * @rx_ring: ring being initialized
*
* Returns 0 on success, negative on failure
**/
@@ -542,7 +546,7 @@
/**
* igbvf_clean_rx_ring - Free Rx Buffers per Queue
- * @adapter: board private structure
+ * @rx_ring: ring structure pointer to free buffers from
**/
static void igbvf_clean_rx_ring(struct igbvf_ring *rx_ring)
{
@@ -762,7 +766,7 @@
/**
* igbvf_clean_tx_irq - Reclaim resources after transmit completes
- * @adapter: board private structure
+ * @tx_ring: ring structure to clean descriptors from
*
* returns true if ring is completely cleaned
**/
@@ -1186,10 +1190,13 @@
igbvf_clean_rx_irq(adapter, &work_done, budget);
- /* If not enough Rx work done, exit the polling mode */
- if (work_done < budget) {
- napi_complete_done(napi, work_done);
+ if (work_done == budget)
+ return budget;
+ /* Exit the polling mode, but don't re-enable interrupts if stack might
+ * poll us due to busy-polling
+ */
+ if (likely(napi_complete_done(napi, work_done))) {
if (adapter->requested_itr & 3)
igbvf_set_itr(adapter);
@@ -1890,7 +1897,7 @@
/**
* igbvf_watchdog - Timer Call-back
- * @data: pointer to adapter cast into an unsigned long
+ * @t: timer list pointer containing private struct
**/
static void igbvf_watchdog(struct timer_list *t)
{
@@ -2090,7 +2097,7 @@
switch (skb->csum_offset) {
case offsetof(struct tcphdr, check):
type_tucmd = E1000_ADVTXD_TUCMD_L4T_TCP;
- /* fall through */
+ fallthrough;
case offsetof(struct udphdr, check):
break;
case offsetof(struct sctphdr, checksum):
@@ -2102,7 +2109,7 @@
type_tucmd = E1000_ADVTXD_TUCMD_L4T_SCTP;
break;
}
- /* fall through */
+ fallthrough;
default:
skb_checksum_help(skb);
goto csum_failed;
@@ -2171,7 +2178,7 @@
goto dma_error;
for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) {
- const struct skb_frag_struct *frag;
+ const skb_frag_t *frag;
count++;
i++;
@@ -2276,10 +2283,6 @@
tx_ring->buffer_info[first].next_to_watch = tx_desc;
tx_ring->next_to_use = i;
writel(i, adapter->hw.hw_addr + tx_ring->tail);
- /* we need this if more than one processor can write to our tail
- * at a time, it synchronizes IO on IA64/Altix systems
- */
- mmiowb();
}
static netdev_tx_t igbvf_xmit_frame_ring_adv(struct sk_buff *skb,
@@ -2375,8 +2378,9 @@
/**
* igbvf_tx_timeout - Respond to a Tx Hang
* @netdev: network interface device structure
+ * @txqueue: queue timing out (unused)
**/
-static void igbvf_tx_timeout(struct net_device *netdev)
+static void igbvf_tx_timeout(struct net_device *netdev, unsigned int __always_unused txqueue)
{
struct igbvf_adapter *adapter = netdev_priv(netdev);
@@ -2438,8 +2442,8 @@
adapter->rx_buffer_len = ETH_FRAME_LEN + VLAN_HLEN +
ETH_FCS_LEN;
- dev_info(&adapter->pdev->dev, "changing MTU from %d to %d\n",
- netdev->mtu, new_mtu);
+ netdev_dbg(netdev, "changing MTU from %d to %d\n",
+ netdev->mtu, new_mtu);
netdev->mtu = new_mtu;
if (netif_running(netdev))
@@ -2460,13 +2464,10 @@
}
}
-static int igbvf_suspend(struct pci_dev *pdev, pm_message_t state)
+static int igbvf_suspend(struct device *dev_d)
{
- struct net_device *netdev = pci_get_drvdata(pdev);
+ struct net_device *netdev = dev_get_drvdata(dev_d);
struct igbvf_adapter *adapter = netdev_priv(netdev);
-#ifdef CONFIG_PM
- int retval = 0;
-#endif
netif_device_detach(netdev);
@@ -2476,30 +2477,15 @@
igbvf_free_irq(adapter);
}
-#ifdef CONFIG_PM
- retval = pci_save_state(pdev);
- if (retval)
- return retval;
-#endif
-
- pci_disable_device(pdev);
-
return 0;
}
-#ifdef CONFIG_PM
-static int igbvf_resume(struct pci_dev *pdev)
+static int __maybe_unused igbvf_resume(struct device *dev_d)
{
+ struct pci_dev *pdev = to_pci_dev(dev_d);
struct net_device *netdev = pci_get_drvdata(pdev);
struct igbvf_adapter *adapter = netdev_priv(netdev);
u32 err;
-
- pci_restore_state(pdev);
- err = pci_enable_device_mem(pdev);
- if (err) {
- dev_err(&pdev->dev, "Cannot enable PCI device from suspend\n");
- return err;
- }
pci_set_master(pdev);
@@ -2518,11 +2504,10 @@
return 0;
}
-#endif
static void igbvf_shutdown(struct pci_dev *pdev)
{
- igbvf_suspend(pdev, PMSG_SUSPEND);
+ igbvf_suspend(&pdev->dev);
}
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -2964,17 +2949,15 @@
};
MODULE_DEVICE_TABLE(pci, igbvf_pci_tbl);
+static SIMPLE_DEV_PM_OPS(igbvf_pm_ops, igbvf_suspend, igbvf_resume);
+
/* PCI Device API Driver */
static struct pci_driver igbvf_driver = {
.name = igbvf_driver_name,
.id_table = igbvf_pci_tbl,
.probe = igbvf_probe,
.remove = igbvf_remove,
-#ifdef CONFIG_PM
- /* Power Management Hooks */
- .suspend = igbvf_suspend,
- .resume = igbvf_resume,
-#endif
+ .driver.pm = &igbvf_pm_ops,
.shutdown = igbvf_shutdown,
.err_handler = &igbvf_err_handler
};
@@ -2989,7 +2972,7 @@
{
int ret;
- pr_info("%s - version %s\n", igbvf_driver_string, igbvf_driver_version);
+ pr_info("%s\n", igbvf_driver_string);
pr_info("%s\n", igbvf_copyright);
ret = pci_register_driver(&igbvf_driver);
@@ -3012,7 +2995,6 @@
MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>");
MODULE_DESCRIPTION("Intel(R) Gigabit Virtual Function Network Driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(DRV_VERSION);
+MODULE_LICENSE("GPL v2");
/* netdev.c */
--
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