aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/e1000e
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e')
-rw-r--r--drivers/net/ethernet/intel/e1000e/Makefile3
-rw-r--r--drivers/net/ethernet/intel/e1000e/e1000.h4
-rw-r--r--drivers/net/ethernet/intel/e1000e/e1000e_trace.h42
-rw-r--r--drivers/net/ethernet/intel/e1000e/ethtool.c2
-rw-r--r--drivers/net/ethernet/intel/e1000e/hw.h9
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c27
-rw-r--r--drivers/net/ethernet/intel/e1000e/netdev.c51
-rw-r--r--drivers/net/ethernet/intel/e1000e/ptp.c17
8 files changed, 118 insertions, 37 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/Makefile b/drivers/net/ethernet/intel/e1000e/Makefile
index 44e58b6e7660..0baa15503c38 100644
--- a/drivers/net/ethernet/intel/e1000e/Makefile
+++ b/drivers/net/ethernet/intel/e1000e/Makefile
@@ -5,6 +5,9 @@
# Makefile for the Intel(R) PRO/1000 ethernet driver
#
+ccflags-y += -I$(src)
+subdir-ccflags-y += -I$(src)
+
obj-$(CONFIG_E1000E) += e1000e.o
e1000e-objs := 82571.o ich8lan.o 80003es2lan.o \
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index e8a9a9610ac6..a187582d2299 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -116,7 +116,8 @@ enum e1000_boards {
board_pch_spt,
board_pch_cnp,
board_pch_tgp,
- board_pch_adp
+ board_pch_adp,
+ board_pch_mtp
};
struct e1000_ps_page {
@@ -504,6 +505,7 @@ extern const struct e1000_info e1000_pch_spt_info;
extern const struct e1000_info e1000_pch_cnp_info;
extern const struct e1000_info e1000_pch_tgp_info;
extern const struct e1000_info e1000_pch_adp_info;
+extern const struct e1000_info e1000_pch_mtp_info;
extern const struct e1000_info e1000_es2_info;
void e1000e_ptp_init(struct e1000_adapter *adapter);
diff --git a/drivers/net/ethernet/intel/e1000e/e1000e_trace.h b/drivers/net/ethernet/intel/e1000e/e1000e_trace.h
new file mode 100644
index 000000000000..19d3cf4d924e
--- /dev/null
+++ b/drivers/net/ethernet/intel/e1000e/e1000e_trace.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2022, Intel Corporation. */
+/* Modeled on trace-events-sample.h */
+/* The trace subsystem name for e1000e will be "e1000e_trace".
+ *
+ * This file is named e1000e_trace.h.
+ *
+ * Since this include file's name is different from the trace
+ * subsystem name, we'll have to define TRACE_INCLUDE_FILE at the end
+ * of this file.
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM e1000e_trace
+
+#if !defined(_TRACE_E1000E_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_E1000E_TRACE_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(e1000e_trace_mac_register,
+ TP_PROTO(uint32_t reg),
+ TP_ARGS(reg),
+ TP_STRUCT__entry(__field(uint32_t, reg)),
+ TP_fast_assign(__entry->reg = reg;),
+ TP_printk("event: TraceHub e1000e mac register: 0x%08x",
+ __entry->reg)
+);
+
+#endif
+/* This must be outside ifdef _E1000E_TRACE_H */
+/* This trace include file is not located in the .../include/trace
+ * with the kernel tracepoint definitions, because we're a loadable
+ * module.
+ */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE e1000e_trace
+
+#include <trace/define_trace.h>
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index 51a5afe9df2f..59e82d131d88 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -908,6 +908,7 @@ static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
mask |= BIT(18);
break;
default:
@@ -1575,6 +1576,7 @@ static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
fext_nvm11 = er32(FEXTNVM11);
fext_nvm11 &= ~E1000_FEXTNVM11_DISABLE_MULR_FIX;
ew32(FEXTNVM11, fext_nvm11);
diff --git a/drivers/net/ethernet/intel/e1000e/hw.h b/drivers/net/ethernet/intel/e1000e/hw.h
index bcf680e83811..29f9fae35f42 100644
--- a/drivers/net/ethernet/intel/e1000e/hw.h
+++ b/drivers/net/ethernet/intel/e1000e/hw.h
@@ -114,6 +114,14 @@ struct e1000_hw;
#define E1000_DEV_ID_PCH_LNP_I219_V20 0x550F
#define E1000_DEV_ID_PCH_LNP_I219_LM21 0x5510
#define E1000_DEV_ID_PCH_LNP_I219_V21 0x5511
+#define E1000_DEV_ID_PCH_ARL_I219_LM24 0x57A0
+#define E1000_DEV_ID_PCH_ARL_I219_V24 0x57A1
+#define E1000_DEV_ID_PCH_PTP_I219_LM25 0x57B3
+#define E1000_DEV_ID_PCH_PTP_I219_V25 0x57B4
+#define E1000_DEV_ID_PCH_PTP_I219_LM26 0x57B5
+#define E1000_DEV_ID_PCH_PTP_I219_V26 0x57B6
+#define E1000_DEV_ID_PCH_PTP_I219_LM27 0x57B7
+#define E1000_DEV_ID_PCH_PTP_I219_V27 0x57B8
#define E1000_REVISION_4 4
@@ -141,6 +149,7 @@ enum e1000_mac_type {
e1000_pch_adp,
e1000_pch_mtp,
e1000_pch_lnp,
+ e1000_pch_ptp,
};
enum e1000_media_type {
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index 9466f65a6da7..0c7fd10312c8 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -322,6 +322,7 @@ static s32 e1000_init_phy_workarounds_pchlan(struct e1000_hw *hw)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
if (e1000_phy_is_accessible_pchlan(hw))
break;
@@ -468,6 +469,7 @@ static s32 e1000_init_phy_params_pchlan(struct e1000_hw *hw)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
/* In case the PHY needs to be in mdio slow mode,
* set slow mode and try to get the PHY id again.
*/
@@ -714,6 +716,7 @@ static s32 e1000_init_mac_params_ich8lan(struct e1000_hw *hw)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
case e1000_pchlan:
/* check management mode */
mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan;
@@ -1681,6 +1684,7 @@ static s32 e1000_get_variants_ich8lan(struct e1000_adapter *adapter)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
rc = e1000_init_phy_params_pchlan(hw);
break;
default:
@@ -2137,6 +2141,7 @@ static s32 e1000_sw_lcd_config_ich8lan(struct e1000_hw *hw)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
break;
default:
@@ -3182,6 +3187,7 @@ static s32 e1000_valid_nvm_bank_detect_ich8lan(struct e1000_hw *hw, u32 *bank)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
bank1_offset = nvm->flash_bank_size;
act_offset = E1000_ICH_NVM_SIG_WORD;
@@ -4122,6 +4128,7 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
word = NVM_COMPAT;
valid_csum_mask = NVM_COMPAT_VALID_CSUM;
break;
@@ -6041,3 +6048,23 @@ const struct e1000_info e1000_pch_adp_info = {
.phy_ops = &ich8_phy_ops,
.nvm_ops = &spt_nvm_ops,
};
+
+const struct e1000_info e1000_pch_mtp_info = {
+ .mac = e1000_pch_mtp,
+ .flags = FLAG_IS_ICH
+ | FLAG_HAS_WOL
+ | FLAG_HAS_HW_TIMESTAMP
+ | FLAG_HAS_CTRLEXT_ON_LOAD
+ | FLAG_HAS_AMT
+ | FLAG_HAS_FLASH
+ | FLAG_HAS_JUMBO_FRAMES
+ | FLAG_APME_IN_WUC,
+ .flags2 = FLAG2_HAS_PHY_STATS
+ | FLAG2_HAS_EEE,
+ .pba = 26,
+ .max_hw_frame_size = 9022,
+ .get_variants = e1000_get_variants_ich8lan,
+ .mac_ops = &ich8_mac_ops,
+ .phy_ops = &ich8_phy_ops,
+ .nvm_ops = &spt_nvm_ops,
+};
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 55cf2f62bb30..04acd1a992fa 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -28,6 +28,8 @@
#include <linux/suspend.h>
#include "e1000.h"
+#define CREATE_TRACE_POINTS
+#include "e1000e_trace.h"
char e1000e_driver_name[] = "e1000e";
@@ -53,6 +55,7 @@ static const struct e1000_info *e1000_info_tbl[] = {
[board_pch_cnp] = &e1000_pch_cnp_info,
[board_pch_tgp] = &e1000_pch_tgp_info,
[board_pch_adp] = &e1000_pch_adp_info,
+ [board_pch_mtp] = &e1000_pch_mtp_info,
};
struct e1000_reg_info {
@@ -1388,26 +1391,18 @@ static bool e1000_clean_rx_irq_ps(struct e1000_ring *rx_ring, int *work_done,
/* page alloc/put takes too long and effects small
* packet throughput, so unsplit small packets and
- * save the alloc/put only valid in softirq (napi)
- * context to call kmap_*
+ * save the alloc/put
*/
if (l1 && (l1 <= copybreak) &&
((length + l1) <= adapter->rx_ps_bsize0)) {
- u8 *vaddr;
-
ps_page = &buffer_info->ps_pages[0];
- /* there is no documentation about how to call
- * kmap_atomic, so we can't hold the mapping
- * very long
- */
dma_sync_single_for_cpu(&pdev->dev,
ps_page->dma,
PAGE_SIZE,
DMA_FROM_DEVICE);
- vaddr = kmap_atomic(ps_page->page);
- memcpy(skb_tail_pointer(skb), vaddr, l1);
- kunmap_atomic(vaddr);
+ memcpy(skb_tail_pointer(skb),
+ page_address(ps_page->page), l1);
dma_sync_single_for_device(&pdev->dev,
ps_page->dma,
PAGE_SIZE,
@@ -1607,11 +1602,9 @@ static bool e1000_clean_jumbo_rx_irq(struct e1000_ring *rx_ring, int *work_done,
*/
if (length <= copybreak &&
skb_tailroom(skb) >= length) {
- u8 *vaddr;
- vaddr = kmap_atomic(buffer_info->page);
- memcpy(skb_tail_pointer(skb), vaddr,
+ memcpy(skb_tail_pointer(skb),
+ page_address(buffer_info->page),
length);
- kunmap_atomic(vaddr);
/* re-use the page, so don't erase
* buffer_info->page
*/
@@ -3552,6 +3545,7 @@ s32 e1000e_get_base_timinca(struct e1000_adapter *adapter, u32 *timinca)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
if (er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI) {
/* Stable 24MHz frequency */
incperiod = INCPERIOD_24MHZ;
@@ -4067,6 +4061,7 @@ void e1000e_reset(struct e1000_adapter *adapter)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
fc->refresh_time = 0xFFFF;
fc->pause_time = 0xFFFF;
@@ -6348,6 +6343,7 @@ static void e1000e_s0ix_entry_flow(struct e1000_adapter *adapter)
mac_data = er32(H2ME);
mac_data |= E1000_H2ME_START_DPG;
mac_data &= ~E1000_H2ME_EXIT_DPG;
+ trace_e1000e_trace_mac_register(mac_data);
ew32(H2ME, mac_data);
} else {
/* Request driver configure the device to S0ix */
@@ -6502,6 +6498,7 @@ static void e1000e_s0ix_exit_flow(struct e1000_adapter *adapter)
mac_data = er32(H2ME);
mac_data &= ~E1000_H2ME_START_DPG;
mac_data |= E1000_H2ME_EXIT_DPG;
+ trace_e1000e_trace_mac_register(mac_data);
ew32(H2ME, mac_data);
/* Poll up to 2.5 seconds for ME to unconfigure DPG.
@@ -7905,14 +7902,22 @@ static const struct pci_device_id e1000_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ADP_I219_V17), board_pch_adp },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_LM22), board_pch_adp },
{ PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_RPL_I219_V22), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM18), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V18), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM19), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V19), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM20), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V20), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM21), board_pch_adp },
- { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V21), board_pch_adp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM18), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V18), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_LM19), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_MTP_I219_V19), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM20), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V20), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_LM21), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_LNP_I219_V21), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ARL_I219_LM24), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_ARL_I219_V24), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM25), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V25), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM26), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V26), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_LM27), board_pch_mtp },
+ { PCI_VDEVICE(INTEL, E1000_DEV_ID_PCH_PTP_I219_V27), board_pch_mtp },
{ 0, 0, 0, 0, 0, 0, 0 } /* terminate list */
};
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
index 0e488e4fa5c1..def4566a916f 100644
--- a/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -29,17 +29,11 @@ static int e1000e_phc_adjfine(struct ptp_clock_info *ptp, long delta)
struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
ptp_clock_info);
struct e1000_hw *hw = &adapter->hw;
- bool neg_adj = false;
unsigned long flags;
- u64 adjustment;
- u32 timinca, incvalue;
+ u64 incvalue;
+ u32 timinca;
s32 ret_val;
- if (delta < 0) {
- neg_adj = true;
- delta = -delta;
- }
-
/* Get the System Time Register SYSTIM base frequency */
ret_val = e1000e_get_base_timinca(adapter, &timinca);
if (ret_val)
@@ -48,11 +42,7 @@ static int e1000e_phc_adjfine(struct ptp_clock_info *ptp, long delta)
spin_lock_irqsave(&adapter->systim_lock, flags);
incvalue = timinca & E1000_TIMINCA_INCVALUE_MASK;
-
- adjustment = mul_u64_u64_div_u64(incvalue, (u64)delta,
- 1000000ULL << 16);
-
- incvalue = neg_adj ? (incvalue - adjustment) : (incvalue + adjustment);
+ incvalue = adjust_by_scaled_ppm(incvalue, delta);
timinca &= ~E1000_TIMINCA_INCVALUE_MASK;
timinca |= incvalue;
@@ -297,6 +287,7 @@ void e1000e_ptp_init(struct e1000_adapter *adapter)
case e1000_pch_adp:
case e1000_pch_mtp:
case e1000_pch_lnp:
+ case e1000_pch_ptp:
if ((hw->mac.type < e1000_pch_lpt) ||
(er32(TSYNCRXCTL) & E1000_TSYNCRXCTL_SYSCFI)) {
adapter->ptp_clock_info.max_adj = 24000000 - 1;
generated by cgit (git 2.34.1) at 2025-06-03 08:18:09 +0000