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-rw-r--r--drivers/net/e1000/e1000.h1
-rw-r--r--drivers/net/e1000/e1000_ethtool.c27
-rw-r--r--drivers/net/e1000/e1000_hw.c25
-rw-r--r--drivers/net/e1000/e1000_hw.h2
-rw-r--r--drivers/net/e1000/e1000_main.c74
5 files changed, 56 insertions, 73 deletions
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 16a6edfeba41..781ed9968489 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -300,6 +300,7 @@ struct e1000_adapter {
int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
#ifdef CONFIG_E1000_NAPI
+ struct napi_struct napi;
struct net_device *polling_netdev; /* One per active queue */
#endif
int num_tx_queues;
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 9ecc3adcf6c1..6c9a643426f5 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -106,8 +106,7 @@ static const struct e1000_stats e1000_gstrings_stats[] = {
};
#define E1000_QUEUE_STATS_LEN 0
-#define E1000_GLOBAL_STATS_LEN \
- sizeof(e1000_gstrings_stats) / sizeof(struct e1000_stats)
+#define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
#define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
"Register test (offline)", "Eeprom test (offline)",
@@ -619,8 +618,6 @@ e1000_get_drvinfo(struct net_device *netdev,
strncpy(drvinfo->fw_version, firmware_version, 32);
strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
- drvinfo->n_stats = E1000_STATS_LEN;
- drvinfo->testinfo_len = E1000_TEST_LEN;
drvinfo->regdump_len = e1000_get_regs_len(netdev);
drvinfo->eedump_len = e1000_get_eeprom_len(netdev);
}
@@ -1612,9 +1609,16 @@ e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
}
static int
-e1000_diag_test_count(struct net_device *netdev)
+e1000_get_sset_count(struct net_device *netdev, int sset)
{
- return E1000_TEST_LEN;
+ switch (sset) {
+ case ETH_SS_TEST:
+ return E1000_TEST_LEN;
+ case ETH_SS_STATS:
+ return E1000_STATS_LEN;
+ default:
+ return -EOPNOTSUPP;
+ }
}
extern void e1000_power_up_phy(struct e1000_adapter *);
@@ -1899,12 +1903,6 @@ e1000_nway_reset(struct net_device *netdev)
return 0;
}
-static int
-e1000_get_stats_count(struct net_device *netdev)
-{
- return E1000_STATS_LEN;
-}
-
static void
e1000_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, uint64_t *data)
@@ -1966,16 +1964,13 @@ static const struct ethtool_ops e1000_ethtool_ops = {
.set_rx_csum = e1000_set_rx_csum,
.get_tx_csum = e1000_get_tx_csum,
.set_tx_csum = e1000_set_tx_csum,
- .get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
- .get_tso = ethtool_op_get_tso,
.set_tso = e1000_set_tso,
- .self_test_count = e1000_diag_test_count,
.self_test = e1000_diag_test,
.get_strings = e1000_get_strings,
.phys_id = e1000_phys_id,
- .get_stats_count = e1000_get_stats_count,
.get_ethtool_stats = e1000_get_ethtool_stats,
+ .get_sset_count = e1000_get_sset_count,
};
void e1000_set_ethtool_ops(struct net_device *netdev)
diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c
index 8604adbe351c..8fa0fe4009d5 100644
--- a/drivers/net/e1000/e1000_hw.c
+++ b/drivers/net/e1000/e1000_hw.c
@@ -871,10 +871,6 @@ e1000_init_hw(struct e1000_hw *hw)
uint32_t ctrl;
uint32_t i;
int32_t ret_val;
- uint16_t pcix_cmd_word;
- uint16_t pcix_stat_hi_word;
- uint16_t cmd_mmrbc;
- uint16_t stat_mmrbc;
uint32_t mta_size;
uint32_t reg_data;
uint32_t ctrl_ext;
@@ -964,24 +960,9 @@ e1000_init_hw(struct e1000_hw *hw)
break;
default:
/* Workaround for PCI-X problem when BIOS sets MMRBC incorrectly. */
- if (hw->bus_type == e1000_bus_type_pcix) {
- e1000_read_pci_cfg(hw, PCIX_COMMAND_REGISTER, &pcix_cmd_word);
- e1000_read_pci_cfg(hw, PCIX_STATUS_REGISTER_HI,
- &pcix_stat_hi_word);
- cmd_mmrbc = (pcix_cmd_word & PCIX_COMMAND_MMRBC_MASK) >>
- PCIX_COMMAND_MMRBC_SHIFT;
- stat_mmrbc = (pcix_stat_hi_word & PCIX_STATUS_HI_MMRBC_MASK) >>
- PCIX_STATUS_HI_MMRBC_SHIFT;
- if (stat_mmrbc == PCIX_STATUS_HI_MMRBC_4K)
- stat_mmrbc = PCIX_STATUS_HI_MMRBC_2K;
- if (cmd_mmrbc > stat_mmrbc) {
- pcix_cmd_word &= ~PCIX_COMMAND_MMRBC_MASK;
- pcix_cmd_word |= stat_mmrbc << PCIX_COMMAND_MMRBC_SHIFT;
- e1000_write_pci_cfg(hw, PCIX_COMMAND_REGISTER,
- &pcix_cmd_word);
- }
- }
- break;
+ if (hw->bus_type == e1000_bus_type_pcix && e1000_pcix_get_mmrbc(hw) > 2048)
+ e1000_pcix_set_mmrbc(hw, 2048);
+ break;
}
/* More time needed for PHY to initialize */
diff --git a/drivers/net/e1000/e1000_hw.h b/drivers/net/e1000/e1000_hw.h
index 07f0ea73676e..a2a86c54a75c 100644
--- a/drivers/net/e1000/e1000_hw.h
+++ b/drivers/net/e1000/e1000_hw.h
@@ -424,6 +424,8 @@ void e1000_pci_clear_mwi(struct e1000_hw *hw);
void e1000_read_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value);
void e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t * value);
int32_t e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value);
+void e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc);
+int e1000_pcix_get_mmrbc(struct e1000_hw *hw);
/* Port I/O is only supported on 82544 and newer */
void e1000_io_write(struct e1000_hw *hw, unsigned long port, uint32_t value);
int32_t e1000_disable_pciex_master(struct e1000_hw *hw);
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index e7c8951f47fa..047263830e6a 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -166,7 +166,7 @@ static irqreturn_t e1000_intr_msi(int irq, void *data);
static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
struct e1000_tx_ring *tx_ring);
#ifdef CONFIG_E1000_NAPI
-static int e1000_clean(struct net_device *poll_dev, int *budget);
+static int e1000_clean(struct napi_struct *napi, int budget);
static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
@@ -545,7 +545,7 @@ int e1000_up(struct e1000_adapter *adapter)
clear_bit(__E1000_DOWN, &adapter->flags);
#ifdef CONFIG_E1000_NAPI
- netif_poll_enable(adapter->netdev);
+ napi_enable(&adapter->napi);
#endif
e1000_irq_enable(adapter);
@@ -634,7 +634,7 @@ e1000_down(struct e1000_adapter *adapter)
set_bit(__E1000_DOWN, &adapter->flags);
#ifdef CONFIG_E1000_NAPI
- netif_poll_disable(netdev);
+ napi_disable(&adapter->napi);
#endif
e1000_irq_disable(adapter);
@@ -872,6 +872,8 @@ e1000_probe(struct pci_dev *pdev,
int i, err, pci_using_dac;
uint16_t eeprom_data = 0;
uint16_t eeprom_apme_mask = E1000_EEPROM_APME;
+ DECLARE_MAC_BUF(mac);
+
if ((err = pci_enable_device(pdev)))
return err;
@@ -897,7 +899,6 @@ e1000_probe(struct pci_dev *pdev,
if (!netdev)
goto err_alloc_etherdev;
- SET_MODULE_OWNER(netdev);
SET_NETDEV_DEV(netdev, &pdev->dev);
pci_set_drvdata(pdev, netdev);
@@ -936,8 +937,7 @@ e1000_probe(struct pci_dev *pdev,
netdev->tx_timeout = &e1000_tx_timeout;
netdev->watchdog_timeo = 5 * HZ;
#ifdef CONFIG_E1000_NAPI
- netdev->poll = &e1000_clean;
- netdev->weight = 64;
+ netif_napi_add(netdev, &adapter->napi, e1000_clean, 64);
#endif
netdev->vlan_rx_register = e1000_vlan_rx_register;
netdev->vlan_rx_add_vid = e1000_vlan_rx_add_vid;
@@ -1134,8 +1134,7 @@ e1000_probe(struct pci_dev *pdev,
"32-bit"));
}
- for (i = 0; i < 6; i++)
- printk("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
+ printk("%s\n", print_mac(mac, netdev->dev_addr));
/* reset the hardware with the new settings */
e1000_reset(adapter);
@@ -1151,9 +1150,6 @@ e1000_probe(struct pci_dev *pdev,
/* tell the stack to leave us alone until e1000_open() is called */
netif_carrier_off(netdev);
netif_stop_queue(netdev);
-#ifdef CONFIG_E1000_NAPI
- netif_poll_disable(netdev);
-#endif
strcpy(netdev->name, "eth%d");
if ((err = register_netdev(netdev)))
@@ -1222,12 +1218,13 @@ e1000_remove(struct pci_dev *pdev)
* would have already happened in close and is redundant. */
e1000_release_hw_control(adapter);
- unregister_netdev(netdev);
#ifdef CONFIG_E1000_NAPI
for (i = 0; i < adapter->num_rx_queues; i++)
dev_put(&adapter->polling_netdev[i]);
#endif
+ unregister_netdev(netdev);
+
if (!e1000_check_phy_reset_block(&adapter->hw))
e1000_phy_hw_reset(&adapter->hw);
@@ -1325,8 +1322,6 @@ e1000_sw_init(struct e1000_adapter *adapter)
#ifdef CONFIG_E1000_NAPI
for (i = 0; i < adapter->num_rx_queues; i++) {
adapter->polling_netdev[i].priv = adapter;
- adapter->polling_netdev[i].poll = &e1000_clean;
- adapter->polling_netdev[i].weight = 64;
dev_hold(&adapter->polling_netdev[i]);
set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
}
@@ -1443,7 +1438,7 @@ e1000_open(struct net_device *netdev)
clear_bit(__E1000_DOWN, &adapter->flags);
#ifdef CONFIG_E1000_NAPI
- netif_poll_enable(netdev);
+ napi_enable(&adapter->napi);
#endif
e1000_irq_enable(adapter);
@@ -3266,14 +3261,13 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
unsigned int tx_flags = 0;
- unsigned int len = skb->len;
+ unsigned int len = skb->len - skb->data_len;
unsigned long flags;
- unsigned int nr_frags = 0;
- unsigned int mss = 0;
+ unsigned int nr_frags;
+ unsigned int mss;
int count = 0;
int tso;
unsigned int f;
- len -= skb->data_len;
/* This goes back to the question of how to logically map a tx queue
* to a flow. Right now, performance is impacted slightly negatively
@@ -3307,7 +3301,7 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
* points to just header, pull a few bytes of payload from
* frags into skb->data */
hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
- if (skb->data_len && (hdr_len == (skb->len - skb->data_len))) {
+ if (skb->data_len && hdr_len == len) {
switch (adapter->hw.mac_type) {
unsigned int pull_size;
case e1000_82544:
@@ -3786,12 +3780,12 @@ e1000_intr_msi(int irq, void *data)
}
#ifdef CONFIG_E1000_NAPI
- if (likely(netif_rx_schedule_prep(netdev))) {
+ if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(netdev);
+ __netif_rx_schedule(netdev, &adapter->napi);
} else
e1000_irq_enable(adapter);
#else
@@ -3871,12 +3865,12 @@ e1000_intr(int irq, void *data)
E1000_WRITE_REG(hw, IMC, ~0);
E1000_WRITE_FLUSH(hw);
}
- if (likely(netif_rx_schedule_prep(netdev))) {
+ if (likely(netif_rx_schedule_prep(netdev, &adapter->napi))) {
adapter->total_tx_bytes = 0;
adapter->total_tx_packets = 0;
adapter->total_rx_bytes = 0;
adapter->total_rx_packets = 0;
- __netif_rx_schedule(netdev);
+ __netif_rx_schedule(netdev, &adapter->napi);
} else
/* this really should not happen! if it does it is basically a
* bug, but not a hard error, so enable ints and continue */
@@ -3924,10 +3918,10 @@ e1000_intr(int irq, void *data)
**/
static int
-e1000_clean(struct net_device *poll_dev, int *budget)
+e1000_clean(struct napi_struct *napi, int budget)
{
- struct e1000_adapter *adapter;
- int work_to_do = min(*budget, poll_dev->quota);
+ struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
+ struct net_device *poll_dev = adapter->netdev;
int tx_cleaned = 0, work_done = 0;
/* Must NOT use netdev_priv macro here. */
@@ -3948,23 +3942,19 @@ e1000_clean(struct net_device *poll_dev, int *budget)
}
adapter->clean_rx(adapter, &adapter->rx_ring[0],
- &work_done, work_to_do);
-
- *budget -= work_done;
- poll_dev->quota -= work_done;
+ &work_done, budget);
/* If no Tx and not enough Rx work done, exit the polling mode */
- if ((!tx_cleaned && (work_done == 0)) ||
+ if ((!tx_cleaned && (work_done < budget)) ||
!netif_running(poll_dev)) {
quit_polling:
if (likely(adapter->itr_setting & 3))
e1000_set_itr(adapter);
- netif_rx_complete(poll_dev);
+ netif_rx_complete(poll_dev, napi);
e1000_irq_enable(adapter);
- return 0;
}
- return 1;
+ return work_done;
}
#endif
@@ -4912,6 +4902,20 @@ e1000_write_pci_cfg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
pci_write_config_word(adapter->pdev, reg, *value);
}
+int
+e1000_pcix_get_mmrbc(struct e1000_hw *hw)
+{
+ struct e1000_adapter *adapter = hw->back;
+ return pcix_get_mmrbc(adapter->pdev);
+}
+
+void
+e1000_pcix_set_mmrbc(struct e1000_hw *hw, int mmrbc)
+{
+ struct e1000_adapter *adapter = hw->back;
+ pcix_set_mmrbc(adapter->pdev, mmrbc);
+}
+
int32_t
e1000_read_pcie_cap_reg(struct e1000_hw *hw, uint32_t reg, uint16_t *value)
{
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.