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path: root/drivers/net/pch_gbe/pch_gbe_main.c
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Diffstat (limited to 'drivers/net/pch_gbe/pch_gbe_main.c')
-rw-r--r--drivers/net/pch_gbe/pch_gbe_main.c72
1 files changed, 52 insertions, 20 deletions
diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c
index 2ef2f9cdefa6..eac3c5ca9731 100644
--- a/drivers/net/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/pch_gbe/pch_gbe_main.c
@@ -20,6 +20,7 @@
#include "pch_gbe.h"
#include "pch_gbe_api.h"
+#include <linux/prefetch.h>
#define DRV_VERSION "1.00"
const char pch_driver_version[] = DRV_VERSION;
@@ -34,6 +35,10 @@ const char pch_driver_version[] = DRV_VERSION;
#define PCH_GBE_COPYBREAK_DEFAULT 256
#define PCH_GBE_PCI_BAR 1
+/* Macros for ML7223 */
+#define PCI_VENDOR_ID_ROHM 0x10db
+#define PCI_DEVICE_ID_ROHM_ML7223_GBE 0x8013
+
#define PCH_GBE_TX_WEIGHT 64
#define PCH_GBE_RX_WEIGHT 64
#define PCH_GBE_RX_BUFFER_WRITE 16
@@ -43,8 +48,7 @@ const char pch_driver_version[] = DRV_VERSION;
#define PCH_GBE_MAC_RGMII_CTRL_SETTING ( \
PCH_GBE_CHIP_TYPE_INTERNAL | \
- PCH_GBE_RGMII_MODE_RGMII | \
- PCH_GBE_CRS_SEL \
+ PCH_GBE_RGMII_MODE_RGMII \
)
/* Ethertype field values */
@@ -656,6 +660,7 @@ static void pch_gbe_configure_tx(struct pch_gbe_adapter *adapter)
*/
static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter)
{
+ struct net_device *netdev = adapter->netdev;
struct pch_gbe_hw *hw = &adapter->hw;
u32 rx_mode, tcpip;
@@ -666,7 +671,7 @@ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter)
tcpip = ioread32(&hw->reg->TCPIP_ACC);
- if (adapter->rx_csum) {
+ if (netdev->features & NETIF_F_RXCSUM) {
tcpip &= ~PCH_GBE_RX_TCPIPACC_OFF;
tcpip |= PCH_GBE_RX_TCPIPACC_EN;
} else {
@@ -887,12 +892,12 @@ static void pch_gbe_watchdog(unsigned long data)
struct pch_gbe_adapter *adapter = (struct pch_gbe_adapter *)data;
struct net_device *netdev = adapter->netdev;
struct pch_gbe_hw *hw = &adapter->hw;
- struct ethtool_cmd cmd;
pr_debug("right now = %ld\n", jiffies);
pch_gbe_update_stats(adapter);
if ((mii_link_ok(&adapter->mii)) && (!netif_carrier_ok(netdev))) {
+ struct ethtool_cmd cmd = { .cmd = ETHTOOL_GSET };
netdev->tx_queue_len = adapter->tx_queue_len;
/* mii library handles link maintenance tasks */
if (mii_ethtool_gset(&adapter->mii, &cmd)) {
@@ -902,7 +907,7 @@ static void pch_gbe_watchdog(unsigned long data)
PCH_GBE_WATCHDOG_PERIOD));
return;
}
- hw->mac.link_speed = cmd.speed;
+ hw->mac.link_speed = ethtool_cmd_speed(&cmd);
hw->mac.link_duplex = cmd.duplex;
/* Set the RGMII control. */
pch_gbe_set_rgmii_ctrl(adapter, hw->mac.link_speed,
@@ -912,7 +917,7 @@ static void pch_gbe_watchdog(unsigned long data)
hw->mac.link_duplex);
netdev_dbg(netdev,
"Link is Up %d Mbps %s-Duplex\n",
- cmd.speed,
+ hw->mac.link_speed,
cmd.duplex == DUPLEX_FULL ? "Full" : "Half");
netif_carrier_on(netdev);
netif_wake_queue(netdev);
@@ -950,7 +955,7 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter,
frame_ctrl = 0;
if (unlikely(skb->len < PCH_GBE_SHORT_PKT))
frame_ctrl |= PCH_GBE_TXD_CTRL_APAD;
- if (unlikely(!adapter->tx_csum))
+ if (skb->ip_summed == CHECKSUM_NONE)
frame_ctrl |= PCH_GBE_TXD_CTRL_TCPIP_ACC_OFF;
/* Performs checksum processing */
@@ -958,7 +963,7 @@ static void pch_gbe_tx_queue(struct pch_gbe_adapter *adapter,
* It is because the hardware accelerator does not support a checksum,
* when the received data size is less than 64 bytes.
*/
- if ((skb->len < PCH_GBE_SHORT_PKT) && (adapter->tx_csum)) {
+ if (skb->len < PCH_GBE_SHORT_PKT && skb->ip_summed != CHECKSUM_NONE) {
frame_ctrl |= PCH_GBE_TXD_CTRL_APAD |
PCH_GBE_TXD_CTRL_TCPIP_ACC_OFF;
if (skb->protocol == htons(ETH_P_IP)) {
@@ -1426,7 +1431,7 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,
length = (rx_desc->rx_words_eob) - 3;
/* Decide the data conversion method */
- if (!adapter->rx_csum) {
+ if (!(netdev->features & NETIF_F_RXCSUM)) {
/* [Header:14][payload] */
if (NET_IP_ALIGN) {
/* Because alignment differs,
@@ -1494,12 +1499,11 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter,
/* Write meta date of skb */
skb_put(skb, length);
skb->protocol = eth_type_trans(skb, netdev);
- if ((tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK) ==
- PCH_GBE_RXD_ACC_STAT_TCPIPOK) {
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- } else {
+ if (tcp_ip_status & PCH_GBE_RXD_ACC_STAT_TCPIPOK)
skb->ip_summed = CHECKSUM_NONE;
- }
+ else
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
napi_gro_receive(&adapter->napi, skb);
(*work_done)++;
pr_debug("Receive skb->ip_summed: %d length: %d\n",
@@ -2030,6 +2034,29 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu)
}
/**
+ * pch_gbe_set_features - Reset device after features changed
+ * @netdev: Network interface device structure
+ * @features: New features
+ * Returns
+ * 0: HW state updated successfully
+ */
+static int pch_gbe_set_features(struct net_device *netdev, u32 features)
+{
+ struct pch_gbe_adapter *adapter = netdev_priv(netdev);
+ u32 changed = features ^ netdev->features;
+
+ if (!(changed & NETIF_F_RXCSUM))
+ return 0;
+
+ if (netif_running(netdev))
+ pch_gbe_reinit_locked(adapter);
+ else
+ pch_gbe_reset(adapter);
+
+ return 0;
+}
+
+/**
* pch_gbe_ioctl - Controls register through a MII interface
* @netdev: Network interface device structure
* @ifr: Pointer to ifr structure
@@ -2129,6 +2156,7 @@ static const struct net_device_ops pch_gbe_netdev_ops = {
.ndo_set_mac_address = pch_gbe_set_mac,
.ndo_tx_timeout = pch_gbe_tx_timeout,
.ndo_change_mtu = pch_gbe_change_mtu,
+ .ndo_set_features = pch_gbe_set_features,
.ndo_do_ioctl = pch_gbe_ioctl,
.ndo_set_multicast_list = &pch_gbe_set_multi,
#ifdef CONFIG_NET_POLL_CONTROLLER
@@ -2334,7 +2362,9 @@ static int pch_gbe_probe(struct pci_dev *pdev,
netdev->watchdog_timeo = PCH_GBE_WATCHDOG_PERIOD;
netif_napi_add(netdev, &adapter->napi,
pch_gbe_napi_poll, PCH_GBE_RX_WEIGHT);
- netdev->features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_GRO;
+ netdev->hw_features = NETIF_F_RXCSUM |
+ NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
+ netdev->features = netdev->hw_features;
pch_gbe_set_ethtool_ops(netdev);
pch_gbe_mac_load_mac_addr(&adapter->hw);
@@ -2373,11 +2403,6 @@ static int pch_gbe_probe(struct pci_dev *pdev,
pch_gbe_check_options(adapter);
- if (adapter->tx_csum)
- netdev->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
- else
- netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
-
/* initialize the wol settings based on the eeprom settings */
adapter->wake_up_evt = PCH_GBE_WL_INIT_SETTING;
dev_info(&pdev->dev, "MAC address : %pM\n", netdev->dev_addr);
@@ -2420,6 +2445,13 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = {
.class = (PCI_CLASS_NETWORK_ETHERNET << 8),
.class_mask = (0xFFFF00)
},
+ {.vendor = PCI_VENDOR_ID_ROHM,
+ .device = PCI_DEVICE_ID_ROHM_ML7223_GBE,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .class = (PCI_CLASS_NETWORK_ETHERNET << 8),
+ .class_mask = (0xFFFF00)
+ },
/* required last entry */
{0}
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-20 10:17:24 +0300