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-rw-r--r--drivers/net/e1000e/82571.c68
-rw-r--r--drivers/net/e1000e/defines.h2
-rw-r--r--drivers/net/e1000e/e1000.h20
-rw-r--r--drivers/net/e1000e/es2lan.c32
-rw-r--r--drivers/net/e1000e/ethtool.c2
-rw-r--r--drivers/net/e1000e/hw.h12
-rw-r--r--drivers/net/e1000e/ich8lan.c1
-rw-r--r--drivers/net/e1000e/lib.c230
-rw-r--r--drivers/net/e1000e/netdev.c102
9 files changed, 266 insertions, 203 deletions
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 02d67d047d96..3c95acb3a87d 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -267,8 +267,14 @@ static s32 e1000_init_mac_params_82571(struct e1000_adapter *adapter)
}
switch (hw->mac.type) {
+ case e1000_82573:
+ func->set_lan_id = e1000_set_lan_id_single_port;
+ func->check_mng_mode = e1000e_check_mng_mode_generic;
+ func->led_on = e1000e_led_on_generic;
+ break;
case e1000_82574:
case e1000_82583:
+ func->set_lan_id = e1000_set_lan_id_single_port;
func->check_mng_mode = e1000_check_mng_mode_82574;
func->led_on = e1000_led_on_82574;
break;
@@ -922,9 +928,12 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
ew32(IMC, 0xffffffff);
icr = er32(ICR);
- if (hw->mac.type == e1000_82571 &&
- hw->dev_spec.e82571.alt_mac_addr_is_present)
- e1000e_set_laa_state_82571(hw, true);
+ /* Install any alternate MAC address into RAR0 */
+ ret_val = e1000_check_alt_mac_addr_generic(hw);
+ if (ret_val)
+ return ret_val;
+
+ e1000e_set_laa_state_82571(hw, true);
/* Reinitialize the 82571 serdes link state machine */
if (hw->phy.media_type == e1000_media_type_internal_serdes)
@@ -1225,32 +1234,6 @@ static s32 e1000_led_on_82574(struct e1000_hw *hw)
}
/**
- * e1000_update_mc_addr_list_82571 - Update Multicast addresses
- * @hw: pointer to the HW structure
- * @mc_addr_list: array of multicast addresses to program
- * @mc_addr_count: number of multicast addresses to program
- * @rar_used_count: the first RAR register free to program
- * @rar_count: total number of supported Receive Address Registers
- *
- * Updates the Receive Address Registers and Multicast Table Array.
- * The caller must have a packed mc_addr_list of multicast addresses.
- * The parameter rar_count will usually be hw->mac.rar_entry_count
- * unless there are workarounds that change this.
- **/
-static void e1000_update_mc_addr_list_82571(struct e1000_hw *hw,
- u8 *mc_addr_list,
- u32 mc_addr_count,
- u32 rar_used_count,
- u32 rar_count)
-{
- if (e1000e_get_laa_state_82571(hw))
- rar_count--;
-
- e1000e_update_mc_addr_list_generic(hw, mc_addr_list, mc_addr_count,
- rar_used_count, rar_count);
-}
-
-/**
* e1000_setup_link_82571 - Setup flow control and link settings
* @hw: pointer to the HW structure
*
@@ -1621,6 +1604,29 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
}
/**
+ * e1000_read_mac_addr_82571 - Read device MAC address
+ * @hw: pointer to the HW structure
+ **/
+static s32 e1000_read_mac_addr_82571(struct e1000_hw *hw)
+{
+ s32 ret_val = 0;
+
+ /*
+ * If there's an alternate MAC address place it in RAR0
+ * so that it will override the Si installed default perm
+ * address.
+ */
+ ret_val = e1000_check_alt_mac_addr_generic(hw);
+ if (ret_val)
+ goto out;
+
+ ret_val = e1000_read_mac_addr_generic(hw);
+
+out:
+ return ret_val;
+}
+
+/**
* e1000_power_down_phy_copper_82571 - Remove link during PHY power down
* @hw: pointer to the HW structure
*
@@ -1695,10 +1701,11 @@ static struct e1000_mac_operations e82571_mac_ops = {
.cleanup_led = e1000e_cleanup_led_generic,
.clear_hw_cntrs = e1000_clear_hw_cntrs_82571,
.get_bus_info = e1000e_get_bus_info_pcie,
+ .set_lan_id = e1000_set_lan_id_multi_port_pcie,
/* .get_link_up_info: media type dependent */
/* .led_on: mac type dependent */
.led_off = e1000e_led_off_generic,
- .update_mc_addr_list = e1000_update_mc_addr_list_82571,
+ .update_mc_addr_list = e1000e_update_mc_addr_list_generic,
.write_vfta = e1000_write_vfta_generic,
.clear_vfta = e1000_clear_vfta_82571,
.reset_hw = e1000_reset_hw_82571,
@@ -1706,6 +1713,7 @@ static struct e1000_mac_operations e82571_mac_ops = {
.setup_link = e1000_setup_link_82571,
/* .setup_physical_interface: media type dependent */
.setup_led = e1000e_setup_led_generic,
+ .read_mac_addr = e1000_read_mac_addr_82571,
};
static struct e1000_phy_operations e82_phy_ops_igp = {
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index e02e38221ed4..db05ec355749 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -460,6 +460,8 @@
*/
#define E1000_RAR_ENTRIES 15
#define E1000_RAH_AV 0x80000000 /* Receive descriptor valid */
+#define E1000_RAL_MAC_ADDR_LEN 4
+#define E1000_RAH_MAC_ADDR_LEN 2
/* Error Codes */
#define E1000_ERR_NVM 1
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index d6ee28f6ea08..c2ec095d2163 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -421,6 +421,7 @@ struct e1000_info {
/* CRC Stripping defines */
#define FLAG2_CRC_STRIPPING (1 << 0)
#define FLAG2_HAS_PHY_WAKEUP (1 << 1)
+#define FLAG2_IS_DISCARDING (1 << 2)
#define E1000_RX_DESC_PS(R, i) \
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
@@ -458,7 +459,7 @@ extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
extern void e1000e_update_stats(struct e1000_adapter *adapter);
-extern bool e1000_has_link(struct e1000_adapter *adapter);
+extern bool e1000e_has_link(struct e1000_adapter *adapter);
extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
@@ -502,6 +503,8 @@ extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
+extern void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw);
+extern void e1000_set_lan_id_single_port(struct e1000_hw *hw);
extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
@@ -516,9 +519,7 @@ extern void e1000_clear_vfta_generic(struct e1000_hw *hw);
extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
u8 *mc_addr_list,
- u32 mc_addr_count,
- u32 rar_used_count,
- u32 rar_count);
+ u32 mc_addr_count);
extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
@@ -529,6 +530,7 @@ extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
extern s32 e1000e_blink_led(struct e1000_hw *hw);
extern void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value);
+extern s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw);
extern void e1000e_reset_adaptive(struct e1000_hw *hw);
extern void e1000e_update_adaptive(struct e1000_hw *hw);
@@ -628,7 +630,15 @@ extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16
extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
extern void e1000e_release_nvm(struct e1000_hw *hw);
extern void e1000e_reload_nvm(struct e1000_hw *hw);
-extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
+extern s32 e1000_read_mac_addr_generic(struct e1000_hw *hw);
+
+static inline s32 e1000e_read_mac_addr(struct e1000_hw *hw)
+{
+ if (hw->mac.ops.read_mac_addr)
+ return hw->mac.ops.read_mac_addr(hw);
+
+ return e1000_read_mac_addr_generic(hw);
+}
static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
{
diff --git a/drivers/net/e1000e/es2lan.c b/drivers/net/e1000e/es2lan.c
index e2aa3b788564..27d21589a69a 100644
--- a/drivers/net/e1000e/es2lan.c
+++ b/drivers/net/e1000e/es2lan.c
@@ -246,6 +246,9 @@ static s32 e1000_init_mac_params_80003es2lan(struct e1000_adapter *adapter)
break;
}
+ /* set lan id for port to determine which phy lock to use */
+ hw->mac.ops.set_lan_id(hw);
+
return 0;
}
@@ -814,7 +817,9 @@ static s32 e1000_reset_hw_80003es2lan(struct e1000_hw *hw)
ew32(IMC, 0xffffffff);
icr = er32(ICR);
- return 0;
+ ret_val = e1000_check_alt_mac_addr_generic(hw);
+
+ return ret_val;
}
/**
@@ -1340,6 +1345,29 @@ static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
}
/**
+ * e1000_read_mac_addr_80003es2lan - Read device MAC address
+ * @hw: pointer to the HW structure
+ **/
+static s32 e1000_read_mac_addr_80003es2lan(struct e1000_hw *hw)
+{
+ s32 ret_val = 0;
+
+ /*
+ * If there's an alternate MAC address place it in RAR0
+ * so that it will override the Si installed default perm
+ * address.
+ */
+ ret_val = e1000_check_alt_mac_addr_generic(hw);
+ if (ret_val)
+ goto out;
+
+ ret_val = e1000_read_mac_addr_generic(hw);
+
+out:
+ return ret_val;
+}
+
+/**
* e1000_power_down_phy_copper_80003es2lan - Remove link during PHY power down
* @hw: pointer to the HW structure
*
@@ -1403,12 +1431,14 @@ static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw)
}
static struct e1000_mac_operations es2_mac_ops = {
+ .read_mac_addr = e1000_read_mac_addr_80003es2lan,
.id_led_init = e1000e_id_led_init,
.check_mng_mode = e1000e_check_mng_mode_generic,
/* check_for_link dependent on media type */
.cleanup_led = e1000e_cleanup_led_generic,
.clear_hw_cntrs = e1000_clear_hw_cntrs_80003es2lan,
.get_bus_info = e1000e_get_bus_info_pcie,
+ .set_lan_id = e1000_set_lan_id_multi_port_pcie,
.get_link_up_info = e1000_get_link_up_info_80003es2lan,
.led_on = e1000e_led_on_generic,
.led_off = e1000e_led_off_generic,
diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c
index 0aa50c229c79..b33e3cbe9ab0 100644
--- a/drivers/net/e1000e/ethtool.c
+++ b/drivers/net/e1000e/ethtool.c
@@ -202,7 +202,7 @@ static u32 e1000_get_link(struct net_device *netdev)
if (!netif_carrier_ok(netdev))
mac->get_link_status = 1;
- return e1000_has_link(adapter);
+ return e1000e_has_link(adapter);
}
static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx)
diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h
index eccf29b75c41..8bdcd5f24eff 100644
--- a/drivers/net/e1000e/hw.h
+++ b/drivers/net/e1000e/hw.h
@@ -389,6 +389,9 @@ enum e1e_registers {
#define E1000_FUNC_1 1
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0 0
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1 3
+
enum e1000_mac_type {
e1000_82571,
e1000_82572,
@@ -746,16 +749,18 @@ struct e1000_mac_operations {
void (*clear_hw_cntrs)(struct e1000_hw *);
void (*clear_vfta)(struct e1000_hw *);
s32 (*get_bus_info)(struct e1000_hw *);
+ void (*set_lan_id)(struct e1000_hw *);
s32 (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
s32 (*led_on)(struct e1000_hw *);
s32 (*led_off)(struct e1000_hw *);
- void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32);
+ void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
s32 (*reset_hw)(struct e1000_hw *);
s32 (*init_hw)(struct e1000_hw *);
s32 (*setup_link)(struct e1000_hw *);
s32 (*setup_physical_interface)(struct e1000_hw *);
s32 (*setup_led)(struct e1000_hw *);
void (*write_vfta)(struct e1000_hw *, u32, u32);
+ s32 (*read_mac_addr)(struct e1000_hw *);
};
/* Function pointers for the PHY. */
@@ -814,6 +819,10 @@ struct e1000_mac_info {
u16 ifs_ratio;
u16 ifs_step_size;
u16 mta_reg_count;
+
+ /* Maximum size of the MTA register table in all supported adapters */
+ #define MAX_MTA_REG 128
+ u32 mta_shadow[MAX_MTA_REG];
u16 rar_entry_count;
u8 forced_speed_duplex;
@@ -897,7 +906,6 @@ struct e1000_fc_info {
struct e1000_dev_spec_82571 {
bool laa_is_present;
- bool alt_mac_addr_is_present;
u32 smb_counter;
};
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 8b6ecd127889..54d03a0ce3ce 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -3368,6 +3368,7 @@ static struct e1000_mac_operations ich8_mac_ops = {
/* cleanup_led dependent on mac type */
.clear_hw_cntrs = e1000_clear_hw_cntrs_ich8lan,
.get_bus_info = e1000_get_bus_info_ich8lan,
+ .set_lan_id = e1000_set_lan_id_single_port,
.get_link_up_info = e1000_get_link_up_info_ich8lan,
/* led_on dependent on mac type */
/* led_off dependent on mac type */
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 2fa9b36a2c5a..2425ed11d5cc 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -51,10 +51,10 @@ enum e1000_mng_mode {
**/
s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
{
+ struct e1000_mac_info *mac = &hw->mac;
struct e1000_bus_info *bus = &hw->bus;
struct e1000_adapter *adapter = hw->adapter;
- u32 status;
- u16 pcie_link_status, pci_header_type, cap_offset;
+ u16 pcie_link_status, cap_offset;
cap_offset = pci_find_capability(adapter->pdev, PCI_CAP_ID_EXP);
if (!cap_offset) {
@@ -68,20 +68,46 @@ s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw)
PCIE_LINK_WIDTH_SHIFT);
}
- pci_read_config_word(adapter->pdev, PCI_HEADER_TYPE_REGISTER,
- &pci_header_type);
- if (pci_header_type & PCI_HEADER_TYPE_MULTIFUNC) {
- status = er32(STATUS);
- bus->func = (status & E1000_STATUS_FUNC_MASK)
- >> E1000_STATUS_FUNC_SHIFT;
- } else {
- bus->func = 0;
- }
+ mac->ops.set_lan_id(hw);
return 0;
}
/**
+ * e1000_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
+ *
+ * @hw: pointer to the HW structure
+ *
+ * Determines the LAN function id by reading memory-mapped registers
+ * and swaps the port value if requested.
+ **/
+void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw)
+{
+ struct e1000_bus_info *bus = &hw->bus;
+ u32 reg;
+
+ /*
+ * The status register reports the correct function number
+ * for the device regardless of function swap state.
+ */
+ reg = er32(STATUS);
+ bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT;
+}
+
+/**
+ * e1000_set_lan_id_single_port - Set LAN id for a single port device
+ * @hw: pointer to the HW structure
+ *
+ * Sets the LAN function id to zero for a single port device.
+ **/
+void e1000_set_lan_id_single_port(struct e1000_hw *hw)
+{
+ struct e1000_bus_info *bus = &hw->bus;
+
+ bus->func = 0;
+}
+
+/**
* e1000_clear_vfta_generic - Clear VLAN filter table
* @hw: pointer to the HW structure
*
@@ -139,6 +165,68 @@ void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
}
/**
+ * e1000_check_alt_mac_addr_generic - Check for alternate MAC addr
+ * @hw: pointer to the HW structure
+ *
+ * Checks the nvm for an alternate MAC address. An alternate MAC address
+ * can be setup by pre-boot software and must be treated like a permanent
+ * address and must override the actual permanent MAC address. If an
+ * alternate MAC address is found it is programmed into RAR0, replacing
+ * the permanent address that was installed into RAR0 by the Si on reset.
+ * This function will return SUCCESS unless it encounters an error while
+ * reading the EEPROM.
+ **/
+s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw)
+{
+ u32 i;
+ s32 ret_val = 0;
+ u16 offset, nvm_alt_mac_addr_offset, nvm_data;
+ u8 alt_mac_addr[ETH_ALEN];
+
+ ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
+ &nvm_alt_mac_addr_offset);
+ if (ret_val) {
+ e_dbg("NVM Read Error\n");
+ goto out;
+ }
+
+ if (nvm_alt_mac_addr_offset == 0xFFFF) {
+ /* There is no Alternate MAC Address */
+ goto out;
+ }
+
+ if (hw->bus.func == E1000_FUNC_1)
+ nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
+ for (i = 0; i < ETH_ALEN; i += 2) {
+ offset = nvm_alt_mac_addr_offset + (i >> 1);
+ ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data);
+ if (ret_val) {
+ e_dbg("NVM Read Error\n");
+ goto out;
+ }
+
+ alt_mac_addr[i] = (u8)(nvm_data & 0xFF);
+ alt_mac_addr[i + 1] = (u8)(nvm_data >> 8);
+ }
+
+ /* if multicast bit is set, the alternate address will not be used */
+ if (alt_mac_addr[0] & 0x01) {
+ e_dbg("Ignoring Alternate Mac Address with MC bit set\n");
+ goto out;
+ }
+
+ /*
+ * We have a valid alternate MAC address, and we want to treat it the
+ * same as the normal permanent MAC address stored by the HW into the
+ * RAR. Do this by mapping this address into RAR0.
+ */
+ e1000e_rar_set(hw, alt_mac_addr, 0);
+
+out:
+ return ret_val;
+}
+
+/**
* e1000e_rar_set - Set receive address register
* @hw: pointer to the HW structure
* @addr: pointer to the receive address
@@ -252,62 +340,34 @@ static u32 e1000_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
* @hw: pointer to the HW structure
* @mc_addr_list: array of multicast addresses to program
* @mc_addr_count: number of multicast addresses to program
- * @rar_used_count: the first RAR register free to program
- * @rar_count: total number of supported Receive Address Registers
*
- * Updates the Receive Address Registers and Multicast Table Array.
+ * Updates entire Multicast Table Array.
* The caller must have a packed mc_addr_list of multicast addresses.
- * The parameter rar_count will usually be hw->mac.rar_entry_count
- * unless there are workarounds that change this.
**/
void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
- u8 *mc_addr_list, u32 mc_addr_count,
- u32 rar_used_count, u32 rar_count)
+ u8 *mc_addr_list, u32 mc_addr_count)
{
- u32 i;
- u32 *mcarray = kzalloc(hw->mac.mta_reg_count * sizeof(u32), GFP_ATOMIC);
+ u32 hash_value, hash_bit, hash_reg;
+ int i;
- if (!mcarray) {
- printk(KERN_ERR "multicast array memory allocation failed\n");
- return;
- }
+ /* clear mta_shadow */
+ memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
- /*
- * Load the first set of multicast addresses into the exact
- * filters (RAR). If there are not enough to fill the RAR
- * array, clear the filters.
- */
- for (i = rar_used_count; i < rar_count; i++) {
- if (mc_addr_count) {
- e1000e_rar_set(hw, mc_addr_list, i);
- mc_addr_count--;
- mc_addr_list += ETH_ALEN;
- } else {
- E1000_WRITE_REG_ARRAY(hw, E1000_RA, i << 1, 0);
- e1e_flush();
- E1000_WRITE_REG_ARRAY(hw, E1000_RA, (i << 1) + 1, 0);
- e1e_flush();
- }
- }
-
- /* Load any remaining multicast addresses into the hash table. */
- for (; mc_addr_count > 0; mc_addr_count--) {
- u32 hash_value, hash_reg, hash_bit, mta;
+ /* update mta_shadow from mc_addr_list */
+ for (i = 0; (u32) i < mc_addr_count; i++) {
hash_value = e1000_hash_mc_addr(hw, mc_addr_list);
- e_dbg("Hash value = 0x%03X\n", hash_value);
+
hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
hash_bit = hash_value & 0x1F;
- mta = (1 << hash_bit);
- mcarray[hash_reg] |= mta;
- mc_addr_list += ETH_ALEN;
- }
- /* write the hash table completely */
- for (i = 0; i < hw->mac.mta_reg_count; i++)
- E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, mcarray[i]);
+ hw->mac.mta_shadow[hash_reg] |= (1 << hash_bit);
+ mc_addr_list += (ETH_ALEN);
+ }
+ /* replace the entire MTA table */
+ for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
+ E1000_WRITE_REG_ARRAY(hw, E1000_MTA, i, hw->mac.mta_shadow[i]);
e1e_flush();
- kfree(mcarray);
}
/**
@@ -2072,67 +2132,27 @@ s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
}
/**
- * e1000e_read_mac_addr - Read device MAC address
+ * e1000_read_mac_addr_generic - Read device MAC address
* @hw: pointer to the HW structure
*
* Reads the device MAC address from the EEPROM and stores the value.
* Since devices with two ports use the same EEPROM, we increment the
* last bit in the MAC address for the second port.
**/
-s32 e1000e_read_mac_addr(struct e1000_hw *hw)
+s32 e1000_read_mac_addr_generic(struct e1000_hw *hw)
{
- s32 ret_val;
- u16 offset, nvm_data, i;
- u16 mac_addr_offset = 0;
-
- if (hw->mac.type == e1000_82571) {
- /* Check for an alternate MAC address. An alternate MAC
- * address can be setup by pre-boot software and must be
- * treated like a permanent address and must override the
- * actual permanent MAC address.*/
- ret_val = e1000_read_nvm(hw, NVM_ALT_MAC_ADDR_PTR, 1,
- &mac_addr_offset);
- if (ret_val) {
- e_dbg("NVM Read Error\n");
- return ret_val;
- }
- if (mac_addr_offset == 0xFFFF)
- mac_addr_offset = 0;
-
- if (mac_addr_offset) {
- if (hw->bus.func == E1000_FUNC_1)
- mac_addr_offset += ETH_ALEN/sizeof(u16);
-
- /* make sure we have a valid mac address here
- * before using it */
- ret_val = e1000_read_nvm(hw, mac_addr_offset, 1,
- &nvm_data);
- if (ret_val) {
- e_dbg("NVM Read Error\n");
- return ret_val;
- }
- if (nvm_data & 0x0001)
- mac_addr_offset = 0;
- }
+ u32 rar_high;
+ u32 rar_low;
+ u16 i;
- if (mac_addr_offset)
- hw->dev_spec.e82571.alt_mac_addr_is_present = 1;
- }
+ rar_high = er32(RAH(0));
+ rar_low = er32(RAL(0));
- for (i = 0; i < ETH_ALEN; i += 2) {
- offset = mac_addr_offset + (i >> 1);
- ret_val = e1000_read_nvm(hw, offset, 1, &nvm_data);
- if (ret_val) {
- e_dbg("NVM Read Error\n");
- return ret_val;
- }
- hw->mac.perm_addr[i] = (u8)(nvm_data & 0xFF);
- hw->mac.perm_addr[i+1] = (u8)(nvm_data >> 8);
- }
+ for (i = 0; i < E1000_RAL_MAC_ADDR_LEN; i++)
+ hw->mac.perm_addr[i] = (u8)(rar_low >> (i*8));
- /* Flip last bit of mac address if we're on second port */
- if (!mac_addr_offset && hw->bus.func == E1000_FUNC_1)
- hw->mac.perm_addr[5] ^= 1;
+ for (i = 0; i < E1000_RAH_MAC_ADDR_LEN; i++)
+ hw->mac.perm_addr[i+4] = (u8)(rar_high >> (i*8));
for (i = 0; i < ETH_ALEN; i++)
hw->mac.addr[i] = hw->mac.perm_addr[i];
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index c45965a256b6..88d54d3efcef 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -450,13 +450,23 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
length = le16_to_cpu(rx_desc->length);
- /* !EOP means multiple descriptors were used to store a single
- * packet, also make sure the frame isn't just CRC only */
- if (!(status & E1000_RXD_STAT_EOP) || (length <= 4)) {
+ /*
+ * !EOP means multiple descriptors were used to store a single
+ * packet, if that's the case we need to toss it. In fact, we
+ * need to toss every packet with the EOP bit clear and the
+ * next frame that _does_ have the EOP bit set, as it is by
+ * definition only a frame fragment
+ */
+ if (unlikely(!(status & E1000_RXD_STAT_EOP)))
+ adapter->flags2 |= FLAG2_IS_DISCARDING;
+
+ if (adapter->flags2 & FLAG2_IS_DISCARDING) {
/* All receives must fit into a single buffer */
e_dbg("Receive packet consumed multiple buffers\n");
/* recycle */
buffer_info->skb = skb;
+ if (status & E1000_RXD_STAT_EOP)
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
goto next_desc;
}
@@ -745,10 +755,16 @@ static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,
PCI_DMA_FROMDEVICE);
buffer_info->dma = 0;
- if (!(staterr & E1000_RXD_STAT_EOP)) {
+ /* see !EOP comment in other rx routine */
+ if (!(staterr & E1000_RXD_STAT_EOP))
+ adapter->flags2 |= FLAG2_IS_DISCARDING;
+
+ if (adapter->flags2 & FLAG2_IS_DISCARDING) {
e_dbg("Packet Split buffers didn't pick up the full "
"packet\n");
dev_kfree_skb_irq(skb);
+ if (staterr & E1000_RXD_STAT_EOP)
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
goto next_desc;
}
@@ -1118,6 +1134,7 @@ static void e1000_clean_rx_ring(struct e1000_adapter *adapter)
rx_ring->next_to_clean = 0;
rx_ring->next_to_use = 0;
+ adapter->flags2 &= ~FLAG2_IS_DISCARDING;
writel(0, adapter->hw.hw_addr + rx_ring->head);
writel(0, adapter->hw.hw_addr + rx_ring->tail);
@@ -2333,18 +2350,6 @@ static void e1000_setup_rctl(struct e1000_adapter *adapter)
rctl &= ~E1000_RCTL_SZ_4096;
rctl |= E1000_RCTL_BSEX;
switch (adapter->rx_buffer_len) {
- case 256:
- rctl |= E1000_RCTL_SZ_256;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case 512:
- rctl |= E1000_RCTL_SZ_512;
- rctl &= ~E1000_RCTL_BSEX;
- break;
- case 1024:
- rctl |= E1000_RCTL_SZ_1024;
- rctl &= ~E1000_RCTL_BSEX;
- break;
case 2048:
default:
rctl |= E1000_RCTL_SZ_2048;
@@ -2536,22 +2541,14 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
* @hw: pointer to the HW structure
* @mc_addr_list: array of multicast addresses to program
* @mc_addr_count: number of multicast addresses to program
- * @rar_used_count: the first RAR register free to program
- * @rar_count: total number of supported Receive Address Registers
*
- * Updates the Receive Address Registers and Multicast Table Array.
+ * Updates the Multicast Table Array.
* The caller must have a packed mc_addr_list of multicast addresses.
- * The parameter rar_count will usually be hw->mac.rar_entry_count
- * unless there are workarounds that change this. Currently no func pointer
- * exists and all implementations are handled in the generic version of this
- * function.
**/
static void e1000_update_mc_addr_list(struct e1000_hw *hw, u8 *mc_addr_list,
- u32 mc_addr_count, u32 rar_used_count,
- u32 rar_count)
+ u32 mc_addr_count)
{
- hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count,
- rar_used_count, rar_count);
+ hw->mac.ops.update_mc_addr_list(hw, mc_addr_list, mc_addr_count);
}
/**
@@ -2567,7 +2564,6 @@ static void e1000_set_multi(struct net_device *netdev)
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- struct e1000_mac_info *mac = &hw->mac;
struct dev_mc_list *mc_ptr;
u8 *mta_list;
u32 rctl;
@@ -2593,31 +2589,25 @@ static void e1000_set_multi(struct net_device *netdev)
ew32(RCTL, rctl);
- if (netdev->mc_count) {
- mta_list = kmalloc(netdev->mc_count * 6, GFP_ATOMIC);
+ if (!netdev_mc_empty(netdev)) {
+ mta_list = kmalloc(netdev_mc_count(netdev) * 6, GFP_ATOMIC);
if (!mta_list)
return;
/* prepare a packed array of only addresses. */
- mc_ptr = netdev->mc_list;
-
- for (i = 0; i < netdev->mc_count; i++) {
- if (!mc_ptr)
- break;
- memcpy(mta_list + (i*ETH_ALEN), mc_ptr->dmi_addr,
- ETH_ALEN);
- mc_ptr = mc_ptr->next;
- }
+ i = 0;
+ netdev_for_each_mc_addr(mc_ptr, netdev)
+ memcpy(mta_list + (i++ * ETH_ALEN),
+ mc_ptr->dmi_addr, ETH_ALEN);
- e1000_update_mc_addr_list(hw, mta_list, i, 1,
- mac->rar_entry_count);
+ e1000_update_mc_addr_list(hw, mta_list, i);
kfree(mta_list);
} else {
/*
* if we're called from probe, we might not have
* anything to do here, so clear out the list
*/
- e1000_update_mc_addr_list(hw, NULL, 0, 1, mac->rar_entry_count);
+ e1000_update_mc_addr_list(hw, NULL, 0);
}
}
@@ -3477,7 +3467,7 @@ static void e1000_print_link_info(struct e1000_adapter *adapter)
((ctrl & E1000_CTRL_TFCE) ? "TX" : "None" )));
}
-bool e1000_has_link(struct e1000_adapter *adapter)
+bool e1000e_has_link(struct e1000_adapter *adapter)
{
struct e1000_hw *hw = &adapter->hw;
bool link_active = 0;
@@ -3558,7 +3548,7 @@ static void e1000_watchdog_task(struct work_struct *work)
u32 link, tctl;
int tx_pending = 0;
- link = e1000_has_link(adapter);
+ link = e1000e_has_link(adapter);
if ((netif_carrier_ok(netdev)) && link) {
e1000e_enable_receives(adapter);
goto link_up;
@@ -3781,7 +3771,7 @@ static int e1000_tso(struct e1000_adapter *adapter,
0, IPPROTO_TCP, 0);
cmd_length = E1000_TXD_CMD_IP;
ipcse = skb_transport_offset(skb) - 1;
- } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
+ } else if (skb_is_gso_v6(skb)) {
ipv6_hdr(skb)->payload_len = 0;
tcp_hdr(skb)->check = ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
&ipv6_hdr(skb)->daddr,
@@ -3962,13 +3952,13 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
dma_error:
dev_err(&pdev->dev, "TX DMA map failed\n");
buffer_info->dma = 0;
- count--;
-
- while (count >= 0) {
+ if (count)
count--;
- i--;
- if (i < 0)
+
+ while (count--) {
+ if (i==0)
i += tx_ring->count;
+ i--;
buffer_info = &tx_ring->buffer_info[i];
e1000_put_txbuf(adapter, buffer_info);;
}
@@ -4317,13 +4307,7 @@ static int e1000_change_mtu(struct net_device *netdev, int new_mtu)
* fragmented skbs
*/
- if (max_frame <= 256)
- adapter->rx_buffer_len = 256;
- else if (max_frame <= 512)
- adapter->rx_buffer_len = 512;
- else if (max_frame <= 1024)
- adapter->rx_buffer_len = 1024;
- else if (max_frame <= 2048)
+ if (max_frame <= 2048)
adapter->rx_buffer_len = 2048;
else
adapter->rx_buffer_len = 4096;
@@ -5135,7 +5119,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev,
e1000_eeprom_checks(adapter);
- /* copy the MAC address out of the NVM */
+ /* copy the MAC address */
if (e1000e_read_mac_addr(&adapter->hw))
e_err("NVM Read Error while reading MAC address\n");
@@ -5327,7 +5311,7 @@ static struct pci_error_handlers e1000_err_handler = {
.resume = e1000_io_resume,
};
-static struct pci_device_id e1000_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(e1000_pci_tbl) = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_COPPER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_FIBER), board_82571 },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82571EB_QUAD_COPPER), board_82571 },
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-06 23:47:30 +0300