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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /drivers/net/ethernet/intel/igb
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'drivers/net/ethernet/intel/igb')
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_82575.c38
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_defines.h5
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_phy.c109
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_phy.h1
-rw-r--r--drivers/net/ethernet/intel/igb/e1000_regs.h2
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c25
-rw-r--r--drivers/net/ethernet/intel/igb/igb_main.c118
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ptp.c72
8 files changed, 248 insertions, 122 deletions
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
index b0182dd31..7a73510e5 100644
--- a/drivers/net/ethernet/intel/igb/e1000_82575.c
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -139,10 +139,6 @@ static s32 igb_check_for_link_media_swap(struct e1000_hw *hw)
if (ret_val)
return ret_val;
- /* reset page to 0 */
- ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
- if (ret_val)
- return ret_val;
if (data & E1000_M88E1112_STATUS_LINK)
port = E1000_MEDIA_PORT_OTHER;
@@ -151,8 +147,20 @@ static s32 igb_check_for_link_media_swap(struct e1000_hw *hw)
if (port && (hw->dev_spec._82575.media_port != port)) {
hw->dev_spec._82575.media_port = port;
hw->dev_spec._82575.media_changed = true;
+ }
+
+ if (port == E1000_MEDIA_PORT_COPPER) {
+ /* reset page to 0 */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+ if (ret_val)
+ return ret_val;
+ igb_check_for_link_82575(hw);
} else {
- ret_val = igb_check_for_link_82575(hw);
+ igb_check_for_link_82575(hw);
+ /* reset page to 0 */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+ if (ret_val)
+ return ret_val;
}
return 0;
@@ -223,6 +231,7 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
/* Verify phy id and set remaining function pointers */
switch (phy->id) {
case M88E1543_E_PHY_ID:
+ case M88E1512_E_PHY_ID:
case I347AT4_E_PHY_ID:
case M88E1112_E_PHY_ID:
case M88E1111_I_PHY_ID:
@@ -235,7 +244,7 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
else
phy->ops.get_cable_length = igb_get_cable_length_m88;
phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_m88;
- /* Check if this PHY is confgured for media swap. */
+ /* Check if this PHY is configured for media swap. */
if (phy->id == M88E1112_E_PHY_ID) {
u16 data;
@@ -258,6 +267,11 @@ static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
hw->mac.ops.check_for_link =
igb_check_for_link_media_swap;
}
+ if (phy->id == M88E1512_E_PHY_ID) {
+ ret_val = igb_initialize_M88E1512_phy(hw);
+ if (ret_val)
+ goto out;
+ }
break;
case IGP03E1000_E_PHY_ID:
phy->type = e1000_phy_igp_3;
@@ -889,6 +903,7 @@ out:
**/
static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *hw)
{
+ struct e1000_phy_info *phy = &hw->phy;
s32 ret_val;
/* This isn't a true "hard" reset, but is the only reset
@@ -905,7 +920,11 @@ static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *hw)
goto out;
ret_val = igb_phy_sw_reset(hw);
+ if (ret_val)
+ goto out;
+ if (phy->id == M88E1512_E_PHY_ID)
+ ret_val = igb_initialize_M88E1512_phy(hw);
out:
return ret_val;
}
@@ -1579,6 +1598,7 @@ static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
case I347AT4_E_PHY_ID:
case M88E1112_E_PHY_ID:
case M88E1543_E_PHY_ID:
+ case M88E1512_E_PHY_ID:
case I210_I_PHY_ID:
ret_val = igb_copper_link_setup_m88_gen2(hw);
break;
@@ -2621,7 +2641,8 @@ s32 igb_set_eee_i354(struct e1000_hw *hw, bool adv1G, bool adv100M)
u16 phy_data;
if ((hw->phy.media_type != e1000_media_type_copper) ||
- (phy->id != M88E1543_E_PHY_ID))
+ ((phy->id != M88E1543_E_PHY_ID) &&
+ (phy->id != M88E1512_E_PHY_ID)))
goto out;
if (!hw->dev_spec._82575.eee_disable) {
@@ -2701,7 +2722,8 @@ s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status)
/* Check if EEE is supported on this device. */
if ((hw->phy.media_type != e1000_media_type_copper) ||
- (phy->id != M88E1543_E_PHY_ID))
+ ((phy->id != M88E1543_E_PHY_ID) &&
+ (phy->id != M88E1512_E_PHY_ID)))
goto out;
ret_val = igb_read_xmdio_reg(hw, E1000_PCS_STATUS_ADDR_I354,
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h
index f8684aa28..b1915043b 100644
--- a/drivers/net/ethernet/intel/igb/e1000_defines.h
+++ b/drivers/net/ethernet/intel/igb/e1000_defines.h
@@ -604,6 +604,10 @@
#define E1000_M88E1112_MAC_CTRL_1_MODE_SHIFT 7
#define E1000_M88E1112_PAGE_ADDR 0x16
#define E1000_M88E1112_STATUS 0x01
+#define E1000_M88E1512_CFG_REG_1 0x0010
+#define E1000_M88E1512_CFG_REG_2 0x0011
+#define E1000_M88E1512_CFG_REG_3 0x0007
+#define E1000_M88E1512_MODE 0x0014
/* PCI Express Control */
#define E1000_GCR_CMPL_TMOUT_MASK 0x0000F000
@@ -861,6 +865,7 @@
#define M88_VENDOR 0x0141
#define I210_I_PHY_ID 0x01410C00
#define M88E1543_E_PHY_ID 0x01410EA0
+#define M88E1512_E_PHY_ID 0x01410DD0
/* M88E1000 Specific Registers */
#define M88E1000_PHY_SPEC_CTRL 0x10 /* PHY Specific Control Register */
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c
index c1bb64d83..23ec28f43 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.c
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -1,5 +1,5 @@
/* Intel(R) Gigabit Ethernet Linux driver
- * Copyright(c) 2007-2014 Intel Corporation.
+ * Copyright(c) 2007-2015 Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -36,9 +36,6 @@ static s32 igb_set_master_slave_mode(struct e1000_hw *hw);
/* Cable length tables */
static const u16 e1000_m88_cable_length_table[] = {
0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
-#define M88E1000_CABLE_LENGTH_TABLE_SIZE \
- (sizeof(e1000_m88_cable_length_table) / \
- sizeof(e1000_m88_cable_length_table[0]))
static const u16 e1000_igp_2_cable_length_table[] = {
0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21,
@@ -49,9 +46,6 @@ static const u16 e1000_igp_2_cable_length_table[] = {
60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121,
83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124,
104, 109, 114, 118, 121, 124};
-#define IGP02E1000_CABLE_LENGTH_TABLE_SIZE \
- (sizeof(e1000_igp_2_cable_length_table) / \
- sizeof(e1000_igp_2_cable_length_table[0]))
/**
* igb_check_reset_block - Check if PHY reset is blocked
@@ -1268,6 +1262,8 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
switch (hw->phy.id) {
case I347AT4_E_PHY_ID:
case M88E1112_E_PHY_ID:
+ case M88E1543_E_PHY_ID:
+ case M88E1512_E_PHY_ID:
case I210_I_PHY_ID:
reset_dsp = false;
break;
@@ -1276,9 +1272,9 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
reset_dsp = false;
break;
}
- if (!reset_dsp)
+ if (!reset_dsp) {
hw_dbg("Link taking longer than expected.\n");
- else {
+ } else {
/* We didn't get link.
* Reset the DSP and cross our fingers.
*/
@@ -1303,6 +1299,8 @@ s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
if (hw->phy.type != e1000_phy_m88 ||
hw->phy.id == I347AT4_E_PHY_ID ||
hw->phy.id == M88E1112_E_PHY_ID ||
+ hw->phy.id == M88E1543_E_PHY_ID ||
+ hw->phy.id == M88E1512_E_PHY_ID ||
hw->phy.id == I210_I_PHY_ID)
goto out;
@@ -1700,7 +1698,7 @@ s32 igb_get_cable_length_m88(struct e1000_hw *hw)
index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
M88E1000_PSSR_CABLE_LENGTH_SHIFT;
- if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
+ if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) {
ret_val = -E1000_ERR_PHY;
goto out;
}
@@ -1743,6 +1741,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw)
phy->cable_length = phy_data / (is_cm ? 100 : 1);
break;
case M88E1543_E_PHY_ID:
+ case M88E1512_E_PHY_ID:
case I347AT4_E_PHY_ID:
/* Remember the original page select and set it to 7 */
ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,
@@ -1796,7 +1795,7 @@ s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw)
index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
M88E1000_PSSR_CABLE_LENGTH_SHIFT;
- if (index >= M88E1000_CABLE_LENGTH_TABLE_SIZE - 1) {
+ if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) {
ret_val = -E1000_ERR_PHY;
goto out;
}
@@ -1840,7 +1839,7 @@ s32 igb_get_cable_length_igp_2(struct e1000_hw *hw)
s32 ret_val = 0;
u16 phy_data, i, agc_value = 0;
u16 cur_agc_index, max_agc_index = 0;
- u16 min_agc_index = IGP02E1000_CABLE_LENGTH_TABLE_SIZE - 1;
+ u16 min_agc_index = ARRAY_SIZE(e1000_igp_2_cable_length_table) - 1;
static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = {
IGP02E1000_PHY_AGC_A,
IGP02E1000_PHY_AGC_B,
@@ -1863,7 +1862,7 @@ s32 igb_get_cable_length_igp_2(struct e1000_hw *hw)
IGP02E1000_AGC_LENGTH_MASK;
/* Array index bound check. */
- if ((cur_agc_index >= IGP02E1000_CABLE_LENGTH_TABLE_SIZE) ||
+ if ((cur_agc_index >= ARRAY_SIZE(e1000_igp_2_cable_length_table)) ||
(cur_agc_index == 0)) {
ret_val = -E1000_ERR_PHY;
goto out;
@@ -2195,6 +2194,90 @@ s32 igb_phy_init_script_igp3(struct e1000_hw *hw)
}
/**
+ * igb_initialize_M88E1512_phy - Initialize M88E1512 PHY
+ * @hw: pointer to the HW structure
+ *
+ * Initialize Marvel 1512 to work correctly with Avoton.
+ **/
+s32 igb_initialize_M88E1512_phy(struct e1000_hw *hw)
+{
+ struct e1000_phy_info *phy = &hw->phy;
+ s32 ret_val = 0;
+
+ /* Switch to PHY page 0xFF. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FF);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x214B);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2144);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x0C28);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2146);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xB233);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x214D);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xCC0C);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2159);
+ if (ret_val)
+ goto out;
+
+ /* Switch to PHY page 0xFB. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FB);
+ if (ret_val)
+ goto out;
+
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_3, 0x000D);
+ if (ret_val)
+ goto out;
+
+ /* Switch to PHY page 0x12. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x12);
+ if (ret_val)
+ goto out;
+
+ /* Change mode to SGMII-to-Copper */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1512_MODE, 0x8001);
+ if (ret_val)
+ goto out;
+
+ /* Return the PHY to page 0. */
+ ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
+ if (ret_val)
+ goto out;
+
+ ret_val = igb_phy_sw_reset(hw);
+ if (ret_val) {
+ hw_dbg("Error committing the PHY changes\n");
+ return ret_val;
+ }
+
+ /* msec_delay(1000); */
+ usleep_range(1000, 2000);
+out:
+ return ret_val;
+}
+
+/**
* igb_power_up_phy_copper - Restore copper link in case of PHY power down
* @hw: pointer to the HW structure
*
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.h b/drivers/net/ethernet/intel/igb/e1000_phy.h
index 7af4ffab0..24d55edbb 100644
--- a/drivers/net/ethernet/intel/igb/e1000_phy.h
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.h
@@ -61,6 +61,7 @@ s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
void igb_power_up_phy_copper(struct e1000_hw *hw);
void igb_power_down_phy_copper(struct e1000_hw *hw);
s32 igb_phy_init_script_igp3(struct e1000_hw *hw);
+s32 igb_initialize_M88E1512_phy(struct e1000_hw *hw);
s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
index 6f0490d0e..4af2870e4 100644
--- a/drivers/net/ethernet/intel/igb/e1000_regs.h
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -104,6 +104,8 @@
#define E1000_TRGTTIMH0 0x0B648 /* Target Time Register 0 High - RW */
#define E1000_TRGTTIML1 0x0B64C /* Target Time Register 1 Low - RW */
#define E1000_TRGTTIMH1 0x0B650 /* Target Time Register 1 High - RW */
+#define E1000_FREQOUT0 0x0B654 /* Frequency Out 0 Control Register - RW */
+#define E1000_FREQOUT1 0x0B658 /* Frequency Out 1 Control Register - RW */
#define E1000_AUXSTMPL0 0x0B65C /* Auxiliary Time Stamp 0 Register Low - RO */
#define E1000_AUXSTMPH0 0x0B660 /* Auxiliary Time Stamp 0 Register High - RO */
#define E1000_AUXSTMPL1 0x0B664 /* Auxiliary Time Stamp 1 Register Low - RO */
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 0afc0913e..74262768b 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2159,6 +2159,27 @@ static int igb_set_coalesce(struct net_device *netdev,
struct igb_adapter *adapter = netdev_priv(netdev);
int i;
+ if (ec->rx_max_coalesced_frames ||
+ ec->rx_coalesce_usecs_irq ||
+ ec->rx_max_coalesced_frames_irq ||
+ ec->tx_max_coalesced_frames ||
+ ec->tx_coalesce_usecs_irq ||
+ ec->stats_block_coalesce_usecs ||
+ ec->use_adaptive_rx_coalesce ||
+ ec->use_adaptive_tx_coalesce ||
+ ec->pkt_rate_low ||
+ ec->rx_coalesce_usecs_low ||
+ ec->rx_max_coalesced_frames_low ||
+ ec->tx_coalesce_usecs_low ||
+ ec->tx_max_coalesced_frames_low ||
+ ec->pkt_rate_high ||
+ ec->rx_coalesce_usecs_high ||
+ ec->rx_max_coalesced_frames_high ||
+ ec->tx_coalesce_usecs_high ||
+ ec->tx_max_coalesced_frames_high ||
+ ec->rate_sample_interval)
+ return -ENOTSUPP;
+
if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
((ec->rx_coalesce_usecs > 3) &&
(ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
@@ -2396,10 +2417,6 @@ static int igb_get_ts_info(struct net_device *dev,
info->rx_filters |=
(1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
(1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
- (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
(1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
return 0;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 5bc9fca67..e174fbbdb 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -57,8 +57,8 @@
#include "igb.h"
#define MAJ 5
-#define MIN 2
-#define BUILD 18
+#define MIN 3
+#define BUILD 0
#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
__stringify(BUILD) "-k"
char igb_driver_name[] = "igb";
@@ -179,6 +179,8 @@ static void igb_check_vf_rate_limit(struct igb_adapter *);
#ifdef CONFIG_PCI_IOV
static int igb_vf_configure(struct igb_adapter *adapter, int vf);
static int igb_pci_enable_sriov(struct pci_dev *dev, int num_vfs);
+static int igb_disable_sriov(struct pci_dev *dev);
+static int igb_pci_disable_sriov(struct pci_dev *dev);
#endif
#ifdef CONFIG_PM
@@ -2649,7 +2651,11 @@ err_eeprom:
if (hw->flash_address)
iounmap(hw->flash_address);
err_sw_init:
+ kfree(adapter->shadow_vfta);
igb_clear_interrupt_scheme(adapter);
+#ifdef CONFIG_PCI_IOV
+ igb_disable_sriov(pdev);
+#endif
pci_iounmap(pdev, hw->hw_addr);
err_ioremap:
free_netdev(netdev);
@@ -2809,14 +2815,14 @@ static void igb_remove(struct pci_dev *pdev)
*/
igb_release_hw_control(adapter);
- unregister_netdev(netdev);
-
- igb_clear_interrupt_scheme(adapter);
-
#ifdef CONFIG_PCI_IOV
igb_disable_sriov(pdev);
#endif
+ unregister_netdev(netdev);
+
+ igb_clear_interrupt_scheme(adapter);
+
pci_iounmap(pdev, hw->hw_addr);
if (hw->flash_address)
iounmap(hw->flash_address);
@@ -2980,6 +2986,8 @@ static int igb_sw_init(struct igb_adapter *adapter)
}
#endif /* CONFIG_PCI_IOV */
+ igb_probe_vfs(adapter);
+
igb_init_queue_configuration(adapter);
/* Setup and initialize a copy of the hw vlan table array */
@@ -2992,8 +3000,6 @@ static int igb_sw_init(struct igb_adapter *adapter)
return -ENOMEM;
}
- igb_probe_vfs(adapter);
-
/* Explicitly disable IRQ since the NIC can be in any state. */
igb_irq_disable(adapter);
@@ -6633,22 +6639,25 @@ static bool igb_add_rx_frag(struct igb_ring *rx_ring,
struct sk_buff *skb)
{
struct page *page = rx_buffer->page;
+ unsigned char *va = page_address(page) + rx_buffer->page_offset;
unsigned int size = le16_to_cpu(rx_desc->wb.upper.length);
#if (PAGE_SIZE < 8192)
unsigned int truesize = IGB_RX_BUFSZ;
#else
- unsigned int truesize = ALIGN(size, L1_CACHE_BYTES);
+ unsigned int truesize = SKB_DATA_ALIGN(size);
#endif
+ unsigned int pull_len;
- if ((size <= IGB_RX_HDR_LEN) && !skb_is_nonlinear(skb)) {
- unsigned char *va = page_address(page) + rx_buffer->page_offset;
+ if (unlikely(skb_is_nonlinear(skb)))
+ goto add_tail_frag;
- if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
- igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);
- va += IGB_TS_HDR_LEN;
- size -= IGB_TS_HDR_LEN;
- }
+ if (unlikely(igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP))) {
+ igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);
+ va += IGB_TS_HDR_LEN;
+ size -= IGB_TS_HDR_LEN;
+ }
+ if (likely(size <= IGB_RX_HDR_LEN)) {
memcpy(__skb_put(skb, size), va, ALIGN(size, sizeof(long)));
/* page is not reserved, we can reuse buffer as-is */
@@ -6660,8 +6669,21 @@ static bool igb_add_rx_frag(struct igb_ring *rx_ring,
return false;
}
+ /* we need the header to contain the greater of either ETH_HLEN or
+ * 60 bytes if the skb->len is less than 60 for skb_pad.
+ */
+ pull_len = eth_get_headlen(va, IGB_RX_HDR_LEN);
+
+ /* align pull length to size of long to optimize memcpy performance */
+ memcpy(__skb_put(skb, pull_len), va, ALIGN(pull_len, sizeof(long)));
+
+ /* update all of the pointers */
+ va += pull_len;
+ size -= pull_len;
+
+add_tail_frag:
skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
- rx_buffer->page_offset, size, truesize);
+ (unsigned long)va & ~PAGE_MASK, size, truesize);
return igb_can_reuse_rx_page(rx_buffer, page, truesize);
}
@@ -6803,62 +6825,6 @@ static bool igb_is_non_eop(struct igb_ring *rx_ring,
}
/**
- * igb_pull_tail - igb specific version of skb_pull_tail
- * @rx_ring: rx descriptor ring packet is being transacted on
- * @rx_desc: pointer to the EOP Rx descriptor
- * @skb: pointer to current skb being adjusted
- *
- * This function is an igb specific version of __pskb_pull_tail. The
- * main difference between this version and the original function is that
- * this function can make several assumptions about the state of things
- * that allow for significant optimizations versus the standard function.
- * As a result we can do things like drop a frag and maintain an accurate
- * truesize for the skb.
- */
-static void igb_pull_tail(struct igb_ring *rx_ring,
- union e1000_adv_rx_desc *rx_desc,
- struct sk_buff *skb)
-{
- struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0];
- unsigned char *va;
- unsigned int pull_len;
-
- /* it is valid to use page_address instead of kmap since we are
- * working with pages allocated out of the lomem pool per
- * alloc_page(GFP_ATOMIC)
- */
- va = skb_frag_address(frag);
-
- if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
- /* retrieve timestamp from buffer */
- igb_ptp_rx_pktstamp(rx_ring->q_vector, va, skb);
-
- /* update pointers to remove timestamp header */
- skb_frag_size_sub(frag, IGB_TS_HDR_LEN);
- frag->page_offset += IGB_TS_HDR_LEN;
- skb->data_len -= IGB_TS_HDR_LEN;
- skb->len -= IGB_TS_HDR_LEN;
-
- /* move va to start of packet data */
- va += IGB_TS_HDR_LEN;
- }
-
- /* we need the header to contain the greater of either ETH_HLEN or
- * 60 bytes if the skb->len is less than 60 for skb_pad.
- */
- pull_len = eth_get_headlen(va, IGB_RX_HDR_LEN);
-
- /* align pull length to size of long to optimize memcpy performance */
- skb_copy_to_linear_data(skb, va, ALIGN(pull_len, sizeof(long)));
-
- /* update all of the pointers */
- skb_frag_size_sub(frag, pull_len);
- frag->page_offset += pull_len;
- skb->data_len -= pull_len;
- skb->tail += pull_len;
-}
-
-/**
* igb_cleanup_headers - Correct corrupted or empty headers
* @rx_ring: rx descriptor ring packet is being transacted on
* @rx_desc: pointer to the EOP Rx descriptor
@@ -6885,10 +6851,6 @@ static bool igb_cleanup_headers(struct igb_ring *rx_ring,
}
}
- /* place header in linear portion of buffer */
- if (skb_is_nonlinear(skb))
- igb_pull_tail(rx_ring, rx_desc, skb);
-
/* if eth_skb_pad returns an error the skb was freed */
if (eth_skb_pad(skb))
return true;
@@ -7457,6 +7419,7 @@ static int igb_resume(struct device *dev)
if (igb_init_interrupt_scheme(adapter, true)) {
dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+ rtnl_unlock();
return -ENOMEM;
}
@@ -7550,6 +7513,7 @@ static int igb_sriov_reinit(struct pci_dev *dev)
igb_init_queue_configuration(adapter);
if (igb_init_interrupt_scheme(adapter, true)) {
+ rtnl_unlock();
dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
return -ENOMEM;
}
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index c3a9392cb..5982f28d5 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -405,7 +405,7 @@ static void igb_pin_extts(struct igb_adapter *igb, int chan, int pin)
wr32(E1000_CTRL_EXT, ctrl_ext);
}
-static void igb_pin_perout(struct igb_adapter *igb, int chan, int pin)
+static void igb_pin_perout(struct igb_adapter *igb, int chan, int pin, int freq)
{
static const u32 aux0_sel_sdp[IGB_N_SDP] = {
AUX0_SEL_SDP0, AUX0_SEL_SDP1, AUX0_SEL_SDP2, AUX0_SEL_SDP3,
@@ -424,6 +424,14 @@ static void igb_pin_perout(struct igb_adapter *igb, int chan, int pin)
TS_SDP0_SEL_TT1, TS_SDP1_SEL_TT1,
TS_SDP2_SEL_TT1, TS_SDP3_SEL_TT1,
};
+ static const u32 ts_sdp_sel_fc0[IGB_N_SDP] = {
+ TS_SDP0_SEL_FC0, TS_SDP1_SEL_FC0,
+ TS_SDP2_SEL_FC0, TS_SDP3_SEL_FC0,
+ };
+ static const u32 ts_sdp_sel_fc1[IGB_N_SDP] = {
+ TS_SDP0_SEL_FC1, TS_SDP1_SEL_FC1,
+ TS_SDP2_SEL_FC1, TS_SDP3_SEL_FC1,
+ };
static const u32 ts_sdp_sel_clr[IGB_N_SDP] = {
TS_SDP0_SEL_FC1, TS_SDP1_SEL_FC1,
TS_SDP2_SEL_FC1, TS_SDP3_SEL_FC1,
@@ -445,11 +453,17 @@ static void igb_pin_perout(struct igb_adapter *igb, int chan, int pin)
tssdp &= ~AUX1_TS_SDP_EN;
tssdp &= ~ts_sdp_sel_clr[pin];
- if (chan == 1)
- tssdp |= ts_sdp_sel_tt1[pin];
- else
- tssdp |= ts_sdp_sel_tt0[pin];
-
+ if (freq) {
+ if (chan == 1)
+ tssdp |= ts_sdp_sel_fc1[pin];
+ else
+ tssdp |= ts_sdp_sel_fc0[pin];
+ } else {
+ if (chan == 1)
+ tssdp |= ts_sdp_sel_tt1[pin];
+ else
+ tssdp |= ts_sdp_sel_tt0[pin];
+ }
tssdp |= ts_sdp_en[pin];
wr32(E1000_TSSDP, tssdp);
@@ -463,10 +477,10 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp,
struct igb_adapter *igb =
container_of(ptp, struct igb_adapter, ptp_caps);
struct e1000_hw *hw = &igb->hw;
- u32 tsauxc, tsim, tsauxc_mask, tsim_mask, trgttiml, trgttimh;
+ u32 tsauxc, tsim, tsauxc_mask, tsim_mask, trgttiml, trgttimh, freqout;
unsigned long flags;
struct timespec ts;
- int pin = -1;
+ int use_freq = 0, pin = -1;
s64 ns;
switch (rq->type) {
@@ -511,40 +525,58 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp,
ts.tv_nsec = rq->perout.period.nsec;
ns = timespec_to_ns(&ts);
ns = ns >> 1;
- if (on && ns < 500000LL) {
- /* 2k interrupts per second is an awful lot. */
- return -EINVAL;
+ if (on && ns <= 70000000LL) {
+ if (ns < 8LL)
+ return -EINVAL;
+ use_freq = 1;
}
ts = ns_to_timespec(ns);
if (rq->perout.index == 1) {
- tsauxc_mask = TSAUXC_EN_TT1;
- tsim_mask = TSINTR_TT1;
+ if (use_freq) {
+ tsauxc_mask = TSAUXC_EN_CLK1 | TSAUXC_ST1;
+ tsim_mask = 0;
+ } else {
+ tsauxc_mask = TSAUXC_EN_TT1;
+ tsim_mask = TSINTR_TT1;
+ }
trgttiml = E1000_TRGTTIML1;
trgttimh = E1000_TRGTTIMH1;
+ freqout = E1000_FREQOUT1;
} else {
- tsauxc_mask = TSAUXC_EN_TT0;
- tsim_mask = TSINTR_TT0;
+ if (use_freq) {
+ tsauxc_mask = TSAUXC_EN_CLK0 | TSAUXC_ST0;
+ tsim_mask = 0;
+ } else {
+ tsauxc_mask = TSAUXC_EN_TT0;
+ tsim_mask = TSINTR_TT0;
+ }
trgttiml = E1000_TRGTTIML0;
trgttimh = E1000_TRGTTIMH0;
+ freqout = E1000_FREQOUT0;
}
spin_lock_irqsave(&igb->tmreg_lock, flags);
tsauxc = rd32(E1000_TSAUXC);
tsim = rd32(E1000_TSIM);
+ if (rq->perout.index == 1) {
+ tsauxc &= ~(TSAUXC_EN_TT1 | TSAUXC_EN_CLK1 | TSAUXC_ST1);
+ tsim &= ~TSINTR_TT1;
+ } else {
+ tsauxc &= ~(TSAUXC_EN_TT0 | TSAUXC_EN_CLK0 | TSAUXC_ST0);
+ tsim &= ~TSINTR_TT0;
+ }
if (on) {
int i = rq->perout.index;
-
- igb_pin_perout(igb, i, pin);
+ igb_pin_perout(igb, i, pin, use_freq);
igb->perout[i].start.tv_sec = rq->perout.start.sec;
igb->perout[i].start.tv_nsec = rq->perout.start.nsec;
igb->perout[i].period.tv_sec = ts.tv_sec;
igb->perout[i].period.tv_nsec = ts.tv_nsec;
wr32(trgttimh, rq->perout.start.sec);
wr32(trgttiml, rq->perout.start.nsec);
+ if (use_freq)
+ wr32(freqout, ns);
tsauxc |= tsauxc_mask;
tsim |= tsim_mask;
- } else {
- tsauxc &= ~tsauxc_mask;
- tsim &= ~tsim_mask;
}
wr32(E1000_TSAUXC, tsauxc);
wr32(E1000_TSIM, tsim);