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// SPDX-License-Identifier: GPL-2.0-only
/*******************************************************************************
DWMAC Management Counters
Copyright (C) 2011 STMicroelectronics Ltd
Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
*******************************************************************************/
#include <linux/kernel.h>
#include <linux/io.h>
#include "mmc.h"
/* MAC Management Counters register offset */
#define MMC_CNTRL 0x00 /* MMC Control */
#define MMC_RX_INTR 0x04 /* MMC RX Interrupt */
#define MMC_TX_INTR 0x08 /* MMC TX Interrupt */
#define MMC_RX_INTR_MASK 0x0c /* MMC Interrupt Mask */
#define MMC_TX_INTR_MASK 0x10 /* MMC Interrupt Mask */
#define MMC_DEFAULT_MASK 0xffffffff
/* MMC TX counter registers */
/* Note:
* _GB register stands for good and bad frames
* _G is for good only.
*/
#define MMC_TX_OCTETCOUNT_GB 0x14
#define MMC_TX_FRAMECOUNT_GB 0x18
#define MMC_TX_BROADCASTFRAME_G 0x1c
#define MMC_TX_MULTICASTFRAME_G 0x20
#define MMC_TX_64_OCTETS_GB 0x24
#define MMC_TX_65_TO_127_OCTETS_GB 0x28
#define MMC_TX_128_TO_255_OCTETS_GB 0x2c
#define MMC_TX_256_TO_511_OCTETS_GB 0x30
#define MMC_TX_512_TO_1023_OCTETS_GB 0x34
#define MMC_TX_1024_TO_MAX_OCTETS_GB 0x38
#define MMC_TX_UNICAST_GB 0x3c
#define MMC_TX_MULTICAST_GB 0x40
#define MMC_TX_BROADCAST_GB 0x44
#define MMC_TX_UNDERFLOW_ERROR 0x48
#define MMC_TX_SINGLECOL_G 0x4c
#define MMC_TX_MULTICOL_G 0x50
#define MMC_TX_DEFERRED 0x54
#define MMC_TX_LATECOL 0x58
#define MMC_TX_EXESSCOL 0x5c
#define MMC_TX_CARRIER_ERROR 0x60
#define MMC_TX_OCTETCOUNT_G 0x64
#define MMC_TX_FRAMECOUNT_G 0x68
#define MMC_TX_EXCESSDEF 0x6c
#define MMC_TX_PAUSE_FRAME 0x70
#define MMC_TX_VLAN_FRAME_G 0x74
/* MMC RX counter registers */
#define MMC_RX_FRAMECOUNT_GB 0x80
#define MMC_RX_OCTETCOUNT_GB 0x84
#define MMC_RX_OCTETCOUNT_G 0x88
#define MMC_RX_BROADCASTFRAME_G 0x8c
#define MMC_RX_MULTICASTFRAME_G 0x90
#define MMC_RX_CRC_ERROR 0x94
#define MMC_RX_ALIGN_ERROR 0x98
#define MMC_RX_RUN_ERROR 0x9C
#define MMC_RX_JABBER_ERROR 0xA0
#define MMC_RX_UNDERSIZE_G 0xA4
#define MMC_RX_OVERSIZE_G 0xA8
#define MMC_RX_64_OCTETS_GB 0xAC
#define MMC_RX_65_TO_127_OCTETS_GB 0xb0
#define MMC_RX_128_TO_255_OCTETS_GB 0xb4
#define MMC_RX_256_TO_511_OCTETS_GB 0xb8
#define MMC_RX_512_TO_1023_OCTETS_GB 0xbc
#define MMC_RX_1024_TO_MAX_OCTETS_GB 0xc0
#define MMC_RX_UNICAST_G 0xc4
#define MMC_RX_LENGTH_ERROR 0xc8
#define MMC_RX_AUTOFRANGETYPE 0xcc
#define MMC_RX_PAUSE_FRAMES 0xd0
#define MMC_RX_FIFO_OVERFLOW 0xd4
#define MMC_RX_VLAN_FRAMES_GB 0xd8
#define MMC_RX_WATCHDOG_ERROR 0xdc
/* IPC*/
#define MMC_RX_IPC_INTR_MASK 0x100
#define MMC_RX_IPC_INTR 0x108
/* IPv4*/
#define MMC_RX_IPV4_GD 0x110
#define MMC_RX_IPV4_HDERR 0x114
#define MMC_RX_IPV4_NOPAY 0x118
#define MMC_RX_IPV4_FRAG 0x11C
#define MMC_RX_IPV4_UDSBL 0x120
#define MMC_RX_IPV4_GD_OCTETS 0x150
#define MMC_RX_IPV4_HDERR_OCTETS 0x154
#define MMC_RX_IPV4_NOPAY_OCTETS 0x158
#define MMC_RX_IPV4_FRAG_OCTETS 0x15c
#define MMC_RX_IPV4_UDSBL_OCTETS 0x160
/* IPV6*/
#define MMC_RX_IPV6_GD_OCTETS 0x164
#define MMC_RX_IPV6_HDERR_OCTETS 0x168
#define MMC_RX_IPV6_NOPAY_OCTETS 0x16c
#define MMC_RX_IPV6_GD 0x124
#define MMC_RX_IPV6_HDERR 0x128
#define MMC_RX_IPV6_NOPAY 0x12c
/* Protocols*/
#define MMC_RX_UDP_GD 0x130
#define MMC_RX_UDP_ERR 0x134
#define MMC_RX_TCP_GD 0x138
#define MMC_RX_TCP_ERR 0x13c
#define MMC_RX_ICMP_GD 0x140
#define MMC_RX_ICMP_ERR 0x144
#define MMC_RX_UDP_GD_OCTETS 0x170
#define MMC_RX_UDP_ERR_OCTETS 0x174
#define MMC_RX_TCP_GD_OCTETS 0x178
#define MMC_RX_TCP_ERR_OCTETS 0x17c
#define MMC_RX_ICMP_GD_OCTETS 0x180
#define MMC_RX_ICMP_ERR_OCTETS 0x184
void dwmac_mmc_ctrl(void __iomem *mmcaddr, unsigned int mode)
{
u32 value = readl(mmcaddr + MMC_CNTRL);
value |= (mode & 0x3F);
writel(value, mmcaddr + MMC_CNTRL);
pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n",
MMC_CNTRL, value);
}
/* To mask all all interrupts.*/
void dwmac_mmc_intr_all_mask(void __iomem *mmcaddr)
{
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_INTR_MASK);
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_TX_INTR_MASK);
writel(MMC_DEFAULT_MASK, mmcaddr + MMC_RX_IPC_INTR_MASK);
}
/* This reads the MAC core counters (if actaully supported).
* by default the MMC core is programmed to reset each
* counter after a read. So all the field of the mmc struct
* have to be incremented.
*/
void dwmac_mmc_read(void __iomem *mmcaddr, struct stmmac_counters *mmc)
{
mmc->mmc_tx_octetcount_gb += readl(mmcaddr + MMC_TX_OCTETCOUNT_GB);
mmc->mmc_tx_framecount_gb += readl(mmcaddr + MMC_TX_FRAMECOUNT_GB);
mmc->mmc_tx_broadcastframe_g += readl(mmcaddr +
MMC_TX_BROADCASTFRAME_G);
mmc->mmc_tx_multicastframe_g += readl(mmcaddr +
MMC_TX_MULTICASTFRAME_G);
mmc->mmc_tx_64_octets_gb += readl(mmcaddr + MMC_TX_64_OCTETS_GB);
mmc->mmc_tx_65_to_127_octets_gb +=
readl(mmcaddr + MMC_TX_65_TO_127_OCTETS_GB);
mmc->mmc_tx_128_to_255_octets_gb +=
readl(mmcaddr + MMC_TX_128_TO_255_OCTETS_GB);
mmc->mmc_tx_256_to_511_octets_gb +=
readl(mmcaddr + MMC_TX_256_TO_511_OCTETS_GB);
mmc->mmc_tx_512_to_1023_octets_gb +=
readl(mmcaddr + MMC_TX_512_TO_1023_OCTETS_GB);
mmc->mmc_tx_1024_to_max_octets_gb +=
readl(mmcaddr + MMC_TX_1024_TO_MAX_OCTETS_GB);
mmc->mmc_tx_unicast_gb += readl(mmcaddr + MMC_TX_UNICAST_GB);
mmc->mmc_tx_multicast_gb += readl(mmcaddr + MMC_TX_MULTICAST_GB);
mmc->mmc_tx_broadcast_gb += readl(mmcaddr + MMC_TX_BROADCAST_GB);
mmc->mmc_tx_underflow_error += readl(mmcaddr + MMC_TX_UNDERFLOW_ERROR);
mmc->mmc_tx_singlecol_g += readl(mmcaddr + MMC_TX_SINGLECOL_G);
mmc->mmc_tx_multicol_g += readl(mmcaddr + MMC_TX_MULTICOL_G);
mmc->mmc_tx_deferred += readl(mmcaddr + MMC_TX_DEFERRED);
mmc->mmc_tx_latecol += readl(mmcaddr + MMC_TX_LATECOL);
mmc->mmc_tx_exesscol += readl(mmcaddr + MMC_TX_EXESSCOL);
mmc->mmc_tx_carrier_error += readl(mmcaddr + MMC_TX_CARRIER_ERROR);
mmc->mmc_tx_octetcount_g += readl(mmcaddr + MMC_TX_OCTETCOUNT_G);
mmc->mmc_tx_framecount_g += readl(mmcaddr + MMC_TX_FRAMECOUNT_G);
mmc->mmc_tx_excessdef += readl(mmcaddr + MMC_TX_EXCESSDEF);
mmc->mmc_tx_pause_frame += readl(mmcaddr + MMC_TX_PAUSE_FRAME);
mmc->mmc_tx_vlan_frame_g += readl(mmcaddr + MMC_TX_VLAN_FRAME_G);
/* MMC RX counter registers */
mmc->mmc_rx_framecount_gb += readl(mmcaddr + MMC_RX_FRAMECOUNT_GB);
mmc->mmc_rx_octetcount_gb += readl(mmcaddr + MMC_RX_OCTETCOUNT_GB);
mmc->mmc_rx_octetcount_g += readl(mmcaddr + MMC_RX_OCTETCOUNT_G);
mmc->mmc_rx_broadcastframe_g += readl(mmcaddr +
MMC_RX_BROADCASTFRAME_G);
mmc->mmc_rx_multicastframe_g += readl(mmcaddr +
MMC_RX_MULTICASTFRAME_G);
mmc->mmc_rx_crc_error += readl(mmcaddr + MMC_RX_CRC_ERROR);
mmc->mmc_rx_align_error += readl(mmcaddr + MMC_RX_ALIGN_ERROR);
mmc->mmc_rx_run_error += readl(mmcaddr + MMC_RX_RUN_ERROR);
mmc->mmc_rx_jabber_error += readl(mmcaddr + MMC_RX_JABBER_ERROR);
mmc->mmc_rx_undersize_g += readl(mmcaddr + MMC_RX_UNDERSIZE_G);
mmc->mmc_rx_oversize_g += readl(mmcaddr + MMC_RX_OVERSIZE_G);
mmc->mmc_rx_64_octets_gb += readl(mmcaddr + MMC_RX_64_OCTETS_GB);
mmc->mmc_rx_65_to_127_octets_gb +=
readl(mmcaddr + MMC_RX_65_TO_127_OCTETS_GB);
mmc->mmc_rx_128_to_255_octets_gb +=
readl(mmcaddr + MMC_RX_128_TO_255_OCTETS_GB);
mmc->mmc_rx_256_to_511_octets_gb +=
readl(mmcaddr + MMC_RX_256_TO_511_OCTETS_GB);
mmc->mmc_rx_512_to_1023_octets_gb +=
readl(mmcaddr + MMC_RX_512_TO_1023_OCTETS_GB);
mmc->mmc_rx_1024_to_max_octets_gb +=
readl(mmcaddr + MMC_RX_1024_TO_MAX_OCTETS_GB);
mmc->mmc_rx_unicast_g += readl(mmcaddr + MMC_RX_UNICAST_G);
mmc->mmc_rx_length_error += readl(mmcaddr + MMC_RX_LENGTH_ERROR);
mmc->mmc_rx_autofrangetype += readl(mmcaddr + MMC_RX_AUTOFRANGETYPE);
mmc->mmc_rx_pause_frames += readl(mmcaddr + MMC_RX_PAUSE_FRAMES);
mmc->mmc_rx_fifo_overflow += readl(mmcaddr + MMC_RX_FIFO_OVERFLOW);
mmc->mmc_rx_vlan_frames_gb += readl(mmcaddr + MMC_RX_VLAN_FRAMES_GB);
mmc->mmc_rx_watchdog_error += readl(mmcaddr + MMC_RX_WATCHDOG_ERROR);
/* IPC */
mmc->mmc_rx_ipc_intr_mask += readl(mmcaddr + MMC_RX_IPC_INTR_MASK);
mmc->mmc_rx_ipc_intr += readl(mmcaddr + MMC_RX_IPC_INTR);
/* IPv4 */
mmc->mmc_rx_ipv4_gd += readl(mmcaddr + MMC_RX_IPV4_GD);
mmc->mmc_rx_ipv4_hderr += readl(mmcaddr + MMC_RX_IPV4_HDERR);
mmc->mmc_rx_ipv4_nopay += readl(mmcaddr + MMC_RX_IPV4_NOPAY);
mmc->mmc_rx_ipv4_frag += readl(mmcaddr + MMC_RX_IPV4_FRAG);
mmc->mmc_rx_ipv4_udsbl += readl(mmcaddr + MMC_RX_IPV4_UDSBL);
mmc->mmc_rx_ipv4_gd_octets += readl(mmcaddr + MMC_RX_IPV4_GD_OCTETS);
mmc->mmc_rx_ipv4_hderr_octets +=
readl(mmcaddr + MMC_RX_IPV4_HDERR_OCTETS);
mmc->mmc_rx_ipv4_nopay_octets +=
readl(mmcaddr + MMC_RX_IPV4_NOPAY_OCTETS);
mmc->mmc_rx_ipv4_frag_octets += readl(mmcaddr +
MMC_RX_IPV4_FRAG_OCTETS);
mmc->mmc_rx_ipv4_udsbl_octets +=
readl(mmcaddr + MMC_RX_IPV4_UDSBL_OCTETS);
/* IPV6 */
mmc->mmc_rx_ipv6_gd_octets += readl(mmcaddr + MMC_RX_IPV6_GD_OCTETS);
mmc->mmc_rx_ipv6_hderr_octets +=
readl(mmcaddr + MMC_RX_IPV6_HDERR_OCTETS);
mmc->mmc_rx_ipv6_nopay_octets +=
readl(mmcaddr + MMC_RX_IPV6_NOPAY_OCTETS);
mmc->mmc_rx_ipv6_gd += readl(mmcaddr + MMC_RX_IPV6_GD);
mmc->mmc_rx_ipv6_hderr += readl(mmcaddr + MMC_RX_IPV6_HDERR);
mmc->mmc_rx_ipv6_nopay += readl(mmcaddr + MMC_RX_IPV6_NOPAY);
/* Protocols */
mmc->mmc_rx_udp_gd += readl(mmcaddr + MMC_RX_UDP_GD);
mmc->mmc_rx_udp_err += readl(mmcaddr + MMC_RX_UDP_ERR);
mmc->mmc_rx_tcp_gd += readl(mmcaddr + MMC_RX_TCP_GD);
mmc->mmc_rx_tcp_err += readl(mmcaddr + MMC_RX_TCP_ERR);
mmc->mmc_rx_icmp_gd += readl(mmcaddr + MMC_RX_ICMP_GD);
mmc->mmc_rx_icmp_err += readl(mmcaddr + MMC_RX_ICMP_ERR);
mmc->mmc_rx_udp_gd_octets += readl(mmcaddr + MMC_RX_UDP_GD_OCTETS);
mmc->mmc_rx_udp_err_octets += readl(mmcaddr + MMC_RX_UDP_ERR_OCTETS);
mmc->mmc_rx_tcp_gd_octets += readl(mmcaddr + MMC_RX_TCP_GD_OCTETS);
mmc->mmc_rx_tcp_err_octets += readl(mmcaddr + MMC_RX_TCP_ERR_OCTETS);
mmc->mmc_rx_icmp_gd_octets += readl(mmcaddr + MMC_RX_ICMP_GD_OCTETS);
mmc->mmc_rx_icmp_err_octets += readl(mmcaddr + MMC_RX_ICMP_ERR_OCTETS);
}
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