From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
kernel/drivers/net/ethernet/jme.c | 95 +++++++++++++++--------------------------------
1 files changed, 31 insertions(+), 64 deletions(-)
diff --git a/kernel/drivers/net/ethernet/jme.c b/kernel/drivers/net/ethernet/jme.c
index a5ab6f3..e9efe07 100644
--- a/kernel/drivers/net/ethernet/jme.c
+++ b/kernel/drivers/net/ethernet/jme.c
@@ -1,25 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
*
* Copyright 2008 JMicron Technology Corporation
- * http://www.jmicron.com/
+ * https://www.jmicron.com/
* Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
*
* Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
- *
- * This program is free software; you can redistribute it 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.
- *
- * This program 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -27,7 +14,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
-#include <linux/pci-aspm.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
@@ -594,11 +580,6 @@
GFP_ATOMIC);
if (unlikely(!(txring->bufinf)))
goto err_free_txring;
-
- /*
- * Initialize Transmit Descriptors
- */
- memset(txring->alloc, 0, TX_RING_ALLOC_SIZE(jme->tx_ring_size));
return 0;
@@ -1206,9 +1187,9 @@
}
static void
-jme_pcc_tasklet(unsigned long arg)
+jme_pcc_tasklet(struct tasklet_struct *t)
{
- struct jme_adapter *jme = (struct jme_adapter *)arg;
+ struct jme_adapter *jme = from_tasklet(jme, t, pcc_task);
struct net_device *netdev = jme->dev;
if (unlikely(test_bit(JME_FLAG_SHUTDOWN, &jme->flags))) {
@@ -1284,10 +1265,9 @@
jwrite32f(jme, JME_APMC, apmc);
}
-static void
-jme_link_change_tasklet(unsigned long arg)
+static void jme_link_change_tasklet(struct tasklet_struct *t)
{
- struct jme_adapter *jme = (struct jme_adapter *)arg;
+ struct jme_adapter *jme = from_tasklet(jme, t, linkch_task);
struct net_device *netdev = jme->dev;
int rc;
@@ -1364,9 +1344,9 @@
}
static void
-jme_rx_clean_tasklet(unsigned long arg)
+jme_rx_clean_tasklet(struct tasklet_struct *t)
{
- struct jme_adapter *jme = (struct jme_adapter *)arg;
+ struct jme_adapter *jme = from_tasklet(jme, t, rxclean_task);
struct dynpcc_info *dpi = &(jme->dpi);
jme_process_receive(jme, jme->rx_ring_size);
@@ -1399,9 +1379,9 @@
}
static void
-jme_rx_empty_tasklet(unsigned long arg)
+jme_rx_empty_tasklet(struct tasklet_struct *t)
{
- struct jme_adapter *jme = (struct jme_adapter *)arg;
+ struct jme_adapter *jme = from_tasklet(jme, t, rxempty_task);
if (unlikely(atomic_read(&jme->link_changing) != 1))
return;
@@ -1411,7 +1391,7 @@
netif_info(jme, rx_status, jme->dev, "RX Queue Full!\n");
- jme_rx_clean_tasklet(arg);
+ jme_rx_clean_tasklet(&jme->rxclean_task);
while (atomic_read(&jme->rx_empty) > 0) {
atomic_dec(&jme->rx_empty);
@@ -1435,10 +1415,9 @@
}
-static void
-jme_tx_clean_tasklet(unsigned long arg)
+static void jme_tx_clean_tasklet(struct tasklet_struct *t)
{
- struct jme_adapter *jme = (struct jme_adapter *)arg;
+ struct jme_adapter *jme = from_tasklet(jme, t, txclean_task);
struct jme_ring *txring = &(jme->txring[0]);
struct txdesc *txdesc = txring->desc;
struct jme_buffer_info *txbi = txring->bufinf, *ctxbi, *ttxbi;
@@ -1853,14 +1832,10 @@
jme_clear_pm_disable_wol(jme);
JME_NAPI_ENABLE(jme);
- tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
- (unsigned long) jme);
- tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet,
- (unsigned long) jme);
- tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet,
- (unsigned long) jme);
- tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet,
- (unsigned long) jme);
+ tasklet_setup(&jme->linkch_task, jme_link_change_tasklet);
+ tasklet_setup(&jme->txclean_task, jme_tx_clean_tasklet);
+ tasklet_setup(&jme->rxclean_task, jme_rx_clean_tasklet);
+ tasklet_setup(&jme->rxempty_task, jme_rx_empty_tasklet);
rc = jme_request_irq(jme);
if (rc)
@@ -2034,10 +2009,9 @@
ctxbi->len,
PCI_DMA_TODEVICE);
- ctxbi->mapping = 0;
- ctxbi->len = 0;
+ ctxbi->mapping = 0;
+ ctxbi->len = 0;
}
-
}
static int
@@ -2049,23 +2023,22 @@
bool hidma = jme->dev->features & NETIF_F_HIGHDMA;
int i, nr_frags = skb_shinfo(skb)->nr_frags;
int mask = jme->tx_ring_mask;
- const struct skb_frag_struct *frag;
u32 len;
int ret = 0;
for (i = 0 ; i < nr_frags ; ++i) {
- frag = &skb_shinfo(skb)->frags[i];
+ const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
ctxdesc = txdesc + ((idx + i + 2) & (mask));
ctxbi = txbi + ((idx + i + 2) & (mask));
ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
- skb_frag_page(frag),
- frag->page_offset, skb_frag_size(frag), hidma);
+ skb_frag_page(frag), skb_frag_off(frag),
+ skb_frag_size(frag), hidma);
if (ret) {
jme_drop_tx_map(jme, idx, i);
goto out;
}
-
}
len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
@@ -2098,12 +2071,7 @@
IPPROTO_TCP,
0);
} else {
- struct ipv6hdr *ip6h = ipv6_hdr(skb);
-
- tcp_hdr(skb)->check = ~csum_ipv6_magic(&ip6h->saddr,
- &ip6h->daddr, 0,
- IPPROTO_TCP,
- 0);
+ tcp_v6_gso_csum_prep(skb);
}
return 0;
@@ -2358,7 +2326,7 @@
}
static void
-jme_tx_timeout(struct net_device *netdev)
+jme_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
struct jme_adapter *jme = netdev_priv(netdev);
@@ -2865,6 +2833,9 @@
}
static const struct ethtool_ops jme_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_MAX_FRAMES |
+ ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
.get_drvinfo = jme_get_drvinfo,
.get_regs_len = jme_get_regs_len,
.get_regs = jme_get_regs,
@@ -3063,9 +3034,7 @@
atomic_set(&jme->tx_cleaning, 1);
atomic_set(&jme->rx_empty, 1);
- tasklet_init(&jme->pcc_task,
- jme_pcc_tasklet,
- (unsigned long) jme);
+ tasklet_setup(&jme->pcc_task, jme_pcc_tasklet);
jme->dpi.cur = PCC_P1;
jme->reg_ghc = 0;
@@ -3212,8 +3181,7 @@
static int
jme_suspend(struct device *dev)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct net_device *netdev = pci_get_drvdata(pdev);
+ struct net_device *netdev = dev_get_drvdata(dev);
struct jme_adapter *jme = netdev_priv(netdev);
if (!netif_running(netdev))
@@ -3255,8 +3223,7 @@
static int
jme_resume(struct device *dev)
{
- struct pci_dev *pdev = to_pci_dev(dev);
- struct net_device *netdev = pci_get_drvdata(pdev);
+ struct net_device *netdev = dev_get_drvdata(dev);
struct jme_adapter *jme = netdev_priv(netdev);
if (!netif_running(netdev))
--
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