sonic-buildimage/platform/broadcom/saibcm-modules/sdklt/linux/knet/ngknet_procfs.c
vmittal-msft 04b9ce8e32
[BCMSAI] Update BCMSAI debian to 6.0.0.10 with 6.5.23 SDK, and opennsl module to 6.5.23 (#9046)
Manual verification on switch (TH3 device)
admin@str2-xxxxx-01:~$ bcmcmd bsv
bsv
BRCM SAI ver: [6.0.0.10], OCP SAI ver: [1.9.1], SDK ver: [sdk-6.5.23]
drivshell>

admin@str2-xxxxx-01:~$ bcmcmd version
version
Broadcom Command Monitor: Copyright (c) 1998-2021 Broadcom
Release: sdk-6.5.23 built 20211020 (Wed Oct 20 06:52:58 2021)
From root@fedbbfdbee81:/__w/2/s/output/x86-xgsall-deb/hsdk
Platform: X86
OS: Unix (Posix)
Chips:
BCM56640_A0,
BCM56850_A0,
BCM56340_A0,
BCM56960_A0, BCM56860_A0,

   BCM56970_A0, BCM56870_A0,
   BCM56980_A0, BCM56980_B0,
  
   BCM56370_A0, BCM56275_A0, BCM56770_A0,
Chips:
BCM56780_A0, BCM56782_A0, BCM56784_A0, BCM56785_A0,
BCM56786_A0, BCM56787_A0, BCM56788_A0, BCM56789_A0,
BCM56880_A0, BCM56880_B0, BCM56881_A0, BCM56881_B0,
BCM56883_A0, BCM56883_B0, BCM56990_A0, BCM56990_B0,
BCM56991_B0, BCM56992_B0, BCM56996_A0, BCM56996_B0,
BCM56997_A0, BCM56997_B0

Variant drivers:
BCM56780_A0_CNA_1_2_10, BCM56780_A0_DNA_2_7_6_0, BCM56880_A0_CNA_1_2_9, BCM56880_A0_DNA_4_9_5_0
PHYs: BCM5400, BCM54182, BCM54185, BCM54180,
BCM54140, BCM54192, BCM54195, BCM54190,
BCM54194, BCM54210, BCM54220, BCM54280,
BCM54282, BCM54240, BCM54285, BCM5428X,
BCM54290, BCM54292, BCM54294, BCM54295,
BCM54296, BCM56160-GPHY, BCM53540-GPHY, BCM56275-GPHY,
BCM8750, BCM8752, BCM8754, BCM84740,
BCM84164, BCM84758, BCM84780, BCM84784,
BCM84318, BCM84328, Sesto, BCM82780,
copper sfp

drivshell>
2021-10-28 00:12:32 -07:00

659 lines
20 KiB
C

/*! \file ngknet_procfs.c
*
* <description>
*
*/
/*
* $Copyright: Copyright 2018-2021 Broadcom. All rights reserved.
* The term 'Broadcom' refers to Broadcom Inc. and/or its subsidiaries.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* A copy of the GNU General Public License version 2 (GPLv2) can
* be found in the LICENSES folder.$
*/
#include <lkm/lkm.h>
#include <lkm/ngknet_ioctl.h>
#include "ngknet_main.h"
#include "ngknet_extra.h"
extern struct ngknet_dev ngknet_devices[];
static struct proc_dir_entry *proc_root = NULL;
static void
proc_data_show(struct seq_file *m, const unsigned char *buf, size_t len)
{
uint32_t i;
if (!buf || !len) {
seq_printf(m, "\n");
return;
}
for (i = 0; i < len; i++) {
seq_printf(m, "%02x ", buf[i]);
if ((i + 1) % 32 == 0 || (i + 1) == len) {
seq_printf(m, "\n");
if ((i + 1) < len) {
seq_printf(m, " ");
}
}
}
}
static int
proc_debug_level_show(struct seq_file *m, void *v)
{
seq_printf(m, "Debug level: 0x%x\n", ngknet_debug_level_get());
return 0;
}
static int
proc_debug_level_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_debug_level_show, NULL);
}
static ssize_t
proc_debug_level_write(struct file *file, const char *buf,
size_t count, loff_t *loff)
{
char level_str[11] = {0};
int debug_level;
if (copy_from_user(level_str, buf, sizeof(level_str) - 1)) {
return -EFAULT;
}
debug_level = simple_strtol(level_str, NULL, 16);
ngknet_debug_level_set(debug_level);
printk("Debug level set to: 0x%x\n", debug_level);
return count;
}
static int
proc_debug_level_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_debug_level_fops = {
owner: THIS_MODULE,
open: proc_debug_level_open,
read: seq_read,
write: proc_debug_level_write,
llseek: seq_lseek,
release: proc_debug_level_release,
};
static int
proc_device_info_show(struct seq_file *m, void *v)
{
struct ngknet_dev *dev;
struct bcmcnet_dev_info *info;
int di, qi, ai = 0;
int rv;
for (di = 0; di < NUM_PDMA_DEV_MAX; di++) {
dev = &ngknet_devices[di];
if (!(dev->flags & NGKNET_DEV_ACTIVE)) {
continue;
}
ai++;
rv = bcmcnet_pdma_dev_info_get(&dev->pdma_dev);
if (SHR_FAILURE(rv)) {
printk("ngknet: get device%d info failed\n", di);
break;
}
info = &dev->pdma_dev.info;
seq_printf(m, "dev_no: %d\n", di);
seq_printf(m, "dev_name: %s\n", info->dev_name);
seq_printf(m, "dev_id: 0x%x\n", info->dev_id);
seq_printf(m, "dev_type: %d\n", info->dev_type);
seq_printf(m, "max_groups: %d\n", info->max_groups);
seq_printf(m, "max_queues: %d\n", info->max_queues);
seq_printf(m, "bm_groups: 0x%x\n", info->bm_groups);
seq_printf(m, "bm_rx_queues: 0x%x\n", info->bm_rx_queues);
seq_printf(m, "bm_tx_queues: 0x%x\n", info->bm_tx_queues);
seq_printf(m, "nb_groups: %d\n", info->nb_groups);
seq_printf(m, "nb_rx_queues: %d\n", info->nb_rx_queues);
seq_printf(m, "nb_tx_queues: %d\n", info->nb_tx_queues);
seq_printf(m, "rx_desc_size: %d\n", info->rx_desc_size);
seq_printf(m, "tx_desc_size: %d\n", info->tx_desc_size);
seq_printf(m, "rx_ph_size: %d\n", info->rx_ph_size);
seq_printf(m, "tx_ph_size: %d\n", info->tx_ph_size);
for (qi = 0; qi < info->nb_rx_queues; qi++) {
seq_printf(m, "rx_buf_sz[%d]: %d\n", qi, info->rx_buf_size[qi]);
}
for (qi = 0; qi < info->nb_rx_queues; qi++) {
seq_printf(m, "nb_rx_desc[%d]: %d\n", qi, info->nb_rx_desc[qi]);
}
for (qi = 0; qi < info->nb_tx_queues; qi++) {
seq_printf(m, "nb_tx_desc[%d]: %d\n", qi, info->nb_tx_desc[qi]);
}
}
if (!ai) {
seq_printf(m, "%s\n", "No active device");
} else {
seq_printf(m, "------------------------\n");
seq_printf(m, "Total %d devices\n", ai);
}
return 0;
}
static int
proc_device_info_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_device_info_show, NULL);
}
static int
proc_device_info_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_device_info_fops = {
owner: THIS_MODULE,
open: proc_device_info_open,
read: seq_read,
llseek: seq_lseek,
release: proc_device_info_release,
};
static int
proc_filter_info_show(struct seq_file *m, void *v)
{
struct ngknet_dev *dev;
ngknet_filter_t filt = {0};
int di, dn = 0, fn = 0;
int rv;
for (di = 0; di < NUM_PDMA_DEV_MAX; di++) {
dev = &ngknet_devices[di];
if (!(dev->flags & NGKNET_DEV_ACTIVE)) {
continue;
}
dn++;
do {
rv = ngknet_filter_get_next(dev, &filt);
if (SHR_FAILURE(rv)) {
printk("ngknet: get device%d filter failed\n", di);
break;
}
fn++;
seq_printf(m, "\n");
seq_printf(m, "dev_no: %d\n", di);
seq_printf(m, "id: %d\n", filt.id);
seq_printf(m, "next: %d\n", filt.next);
seq_printf(m, "type: %d\n", filt.type);
seq_printf(m, "flags: 0x%x\n", filt.flags);
seq_printf(m, "prio: %d\n", filt.priority);
seq_printf(m, "chan: %d\n", filt.chan);
seq_printf(m, "desc: %s\n", filt.desc);
seq_printf(m, "dest_type: %d\n", filt.dest_type);
seq_printf(m, "dest_id: %d\n", filt.dest_id);
seq_printf(m, "dest_proto: 0x%x\n", filt.dest_proto);
seq_printf(m, "mirror_type: %d\n", filt.mirror_type);
seq_printf(m, "mirror_id: %d\n", filt.mirror_id);
seq_printf(m, "mirror_proto: 0x%x\n", filt.mirror_proto);
seq_printf(m, "oob_offset: %d\n", filt.oob_data_offset);
seq_printf(m, "oob_size: %d\n", filt.oob_data_size);
seq_printf(m, "pkt_offset: %d\n", filt.pkt_data_offset);
seq_printf(m, "pkt_size: %d\n", filt.pkt_data_size);
seq_printf(m, "filt_data: ");
proc_data_show(m, filt.data.b, filt.oob_data_size + filt.pkt_data_size);
seq_printf(m, "filt_mask: ");
proc_data_show(m, filt.mask.b, filt.oob_data_size + filt.pkt_data_size);
seq_printf(m, "user_data: ");
proc_data_show(m, filt.user_data, NGKNET_FILTER_USER_DATA);
seq_printf(m, "hits: %llu\n", ((struct filt_ctrl *)dev->fc[filt.id])->hits);
} while (filt.next);
}
if (!dn) {
seq_printf(m, "%s\n", "No active device");
} else {
seq_printf(m, "--------------------------------\n");
seq_printf(m, "Total %d devices, %d filters\n", dn, fn);
}
return 0;
}
static int
proc_filter_info_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_filter_info_show, NULL);
}
static int
proc_filter_info_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_filter_info_fops = {
owner: THIS_MODULE,
open: proc_filter_info_open,
read: seq_read,
llseek: seq_lseek,
release: proc_filter_info_release,
};
static int
proc_netif_info_show(struct seq_file *m, void *v)
{
struct ngknet_dev *dev;
struct net_device *ndev;
struct ngknet_private *priv;
ngknet_netif_t netif = {0};
int di, ma, dn = 0, nn = 0;
int rv;
for (di = 0; di < NUM_PDMA_DEV_MAX; di++) {
dev = &ngknet_devices[di];
if (!(dev->flags & NGKNET_DEV_ACTIVE)) {
continue;
}
dn++;
do {
rv = ngknet_netif_get_next(dev, &netif);
if (SHR_FAILURE(rv)) {
printk("ngknet: get device%d netif failed\n", di);
break;
}
nn++;
ndev = netif.id == 0 ? dev->net_dev : dev->vdev[netif.id];
priv = netdev_priv(ndev);
seq_printf(m, "\n");
seq_printf(m, "dev_no: %d\n", di);
seq_printf(m, "id: %d\n", netif.id);
seq_printf(m, "next: %d\n", netif.next);
seq_printf(m, "type: %d\n", netif.type);
seq_printf(m, "flags: 0x%x\n", netif.flags);
seq_printf(m, "vlan: %d\n", netif.vlan);
seq_printf(m, "mac: ");
for (ma = 0; ma < 6; ma++) {
if (ma == 5) {
seq_printf(m, "%02x\n", netif.macaddr[ma]);
} else {
seq_printf(m, "%02x:", netif.macaddr[ma]);
}
}
seq_printf(m, "mtu: %d\n", netif.mtu);
seq_printf(m, "chan: %d\n", netif.chan);
seq_printf(m, "name: %s\n", netif.name);
seq_printf(m, "meta_off: %d\n", netif.meta_off);
seq_printf(m, "meta_len: %d\n", netif.meta_len);
seq_printf(m, "meta_data: ");
proc_data_show(m, netif.meta_data, netif.meta_len);
seq_printf(m, "user_data: ");
proc_data_show(m, netif.user_data, NGKNET_NETIF_USER_DATA);
seq_printf(m, "rx_packets: %lu\n", priv->stats.rx_packets);
seq_printf(m, "rx_bytes: %lu\n", priv->stats.rx_bytes);
seq_printf(m, "rx_dropped: %lu\n", priv->stats.rx_dropped);
seq_printf(m, "rx_errors: %lu\n", priv->stats.rx_errors);
seq_printf(m, "tx_packets: %lu\n", priv->stats.tx_packets);
seq_printf(m, "tx_bytes: %lu\n", priv->stats.tx_bytes);
seq_printf(m, "tx_dropped: %lu\n", priv->stats.tx_dropped);
seq_printf(m, "tx_errors: %lu\n", priv->stats.tx_errors);
} while (netif.next);
}
if (!dn) {
seq_printf(m, "%s\n", "No active device");
} else {
seq_printf(m, "--------------------------------\n");
seq_printf(m, "Total %d devices, %d netifs\n", dn, nn);
}
return 0;
}
static int
proc_netif_info_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_netif_info_show, NULL);
}
static int
proc_netif_info_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_netif_info_fops = {
owner: THIS_MODULE,
open: proc_netif_info_open,
read: seq_read,
llseek: seq_lseek,
release: proc_netif_info_release,
};
static int
proc_pkt_stats_show(struct seq_file *m, void *v)
{
struct ngknet_dev *dev;
struct bcmcnet_dev_stats *stats;
int di, qi, ai = 0;
int rv;
for (di = 0; di < NUM_PDMA_DEV_MAX; di++) {
dev = &ngknet_devices[di];
if (!(dev->flags & NGKNET_DEV_ACTIVE)) {
continue;
}
ai++;
rv = bcmcnet_pdma_dev_stats_get(&dev->pdma_dev);
if (SHR_FAILURE(rv)) {
printk("ngknet: get device%d stats failed\n", di);
break;
}
stats = &dev->pdma_dev.stats;
seq_printf(m, "rx_packets: %llu\n", (unsigned long long)stats->rx_packets);
seq_printf(m, "rx_bytes: %llu\n", (unsigned long long)stats->rx_bytes);
for (qi = 0; qi < dev->pdma_dev.ctrl.nb_rxq; qi++) {
seq_printf(m, "rx_packets[%d]: %llu\n", qi, (unsigned long long)stats->rxq_packets[qi]);
seq_printf(m, "rx_bytes[%d]: %llu\n", qi, (unsigned long long)stats->rxq_bytes[qi]);
}
seq_printf(m, "rx_dropped: %llu\n", (unsigned long long)stats->rx_dropped);
seq_printf(m, "rx_errors: %llu\n", (unsigned long long)stats->rx_errors);
seq_printf(m, "rx_head_errors: %llu\n", (unsigned long long)stats->rx_head_errors);
seq_printf(m, "rx_data_errors: %llu\n", (unsigned long long)stats->rx_data_errors);
seq_printf(m, "rx_cell_errors: %llu\n", (unsigned long long)stats->rx_cell_errors);
seq_printf(m, "rx_nomems: %llu\n", (unsigned long long)stats->rx_nomems);
seq_printf(m, "tx_packets: %llu\n", (unsigned long long)stats->tx_packets);
seq_printf(m, "tx_bytes: %llu\n", (unsigned long long)stats->tx_bytes);
for (qi = 0; qi < dev->pdma_dev.ctrl.nb_txq; qi++) {
seq_printf(m, "tx_packets[%d]: %llu\n", qi, (unsigned long long)stats->txq_packets[qi]);
seq_printf(m, "tx_bytes[%d]: %llu\n", qi, (unsigned long long)stats->txq_bytes[qi]);
}
seq_printf(m, "tx_dropped: %llu\n", (unsigned long long)stats->tx_dropped);
seq_printf(m, "tx_errors: %llu\n", (unsigned long long)stats->tx_errors);
seq_printf(m, "tx_xoffs: %llu\n", (unsigned long long)stats->tx_xoffs);
seq_printf(m, "interrupts: %llu\n", (unsigned long long)stats->intrs);
}
if (!ai) {
seq_printf(m, "%s\n", "No active device");
} else {
seq_printf(m, "------------------------\n");
seq_printf(m, "Total %d devices\n", ai);
}
return 0;
}
static int
proc_pkt_stats_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_pkt_stats_show, NULL);
}
static int
proc_pkt_stats_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_pkt_stats_fops = {
owner: THIS_MODULE,
open: proc_pkt_stats_open,
read: seq_read,
llseek: seq_lseek,
release: proc_pkt_stats_release,
};
static int
proc_rate_limit_show(struct seq_file *m, void *v)
{
seq_printf(m, "Rx rate limit: %d pps\n", ngknet_rx_rate_limit_get());
return 0;
}
static int
proc_rate_limit_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_rate_limit_show, NULL);
}
static ssize_t
proc_rate_limit_write(struct file *file, const char *buf,
size_t count, loff_t *loff)
{
char limit_str[9] = {0};
int rate_limit;
if (copy_from_user(limit_str, buf, sizeof(limit_str) - 1)) {
return -EFAULT;
}
rate_limit = simple_strtol(limit_str, NULL, 10);
ngknet_rx_rate_limit_set(rate_limit);
printk("Rx rate limit set to: %d pps\n", rate_limit);
return count;
}
static int
proc_rate_limit_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_rate_limit_fops = {
owner: THIS_MODULE,
open: proc_rate_limit_open,
read: seq_read,
write: proc_rate_limit_write,
llseek: seq_lseek,
release: proc_rate_limit_release,
};
static int
proc_reg_status_show(struct seq_file *m, void *v)
{
struct ngknet_dev *dev;
int di, qi, ai = 0;
for (di = 0; di < NUM_PDMA_DEV_MAX; di++) {
dev = &ngknet_devices[di];
if (!(dev->flags & NGKNET_DEV_ACTIVE)) {
continue;
}
ai++;
for (qi = 0; qi < dev->pdma_dev.ctrl.nb_rxq; qi++) {
bcmcnet_pdma_rx_queue_reg_dump(&dev->pdma_dev, qi);
}
for (qi = 0; qi < dev->pdma_dev.ctrl.nb_txq; qi++) {
bcmcnet_pdma_tx_queue_reg_dump(&dev->pdma_dev, qi);
}
}
if (!ai) {
seq_printf(m, "%s\n", "No active device");
} else {
seq_printf(m, "------------------------\n");
seq_printf(m, "Total %d devices\n", ai);
}
return 0;
}
static int
proc_reg_status_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_reg_status_show, NULL);
}
static int
proc_reg_status_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_reg_status_fops = {
owner: THIS_MODULE,
open: proc_reg_status_open,
read: seq_read,
llseek: seq_lseek,
release: proc_reg_status_release,
};
static int
proc_ring_status_show(struct seq_file *m, void *v)
{
struct ngknet_dev *dev;
int di, qi, ai = 0;
for (di = 0; di < NUM_PDMA_DEV_MAX; di++) {
dev = &ngknet_devices[di];
if (!(dev->flags & NGKNET_DEV_ACTIVE)) {
continue;
}
ai++;
seq_printf(m, "%s-%d, ", "Unit", di);
for (qi = 0; qi < dev->pdma_dev.ctrl.nb_rxq; qi++) {
bcmcnet_pdma_rx_ring_dump(&dev->pdma_dev, qi);
}
seq_printf(m, "%s%d, ", "Rx queues: ", qi);
for (qi = 0; qi < dev->pdma_dev.ctrl.nb_txq; qi++) {
bcmcnet_pdma_tx_ring_dump(&dev->pdma_dev, qi);
}
seq_printf(m, "%s%d. ", "Tx queues: ", qi);
seq_printf(m, "\n");
}
if (!ai) {
seq_printf(m, "%s\n", "No active device");
} else {
seq_printf(m, "------------------------\n");
seq_printf(m, "Total %d devices\n", ai);
}
return 0;
}
static int
proc_ring_status_open(struct inode *inode, struct file *file)
{
return single_open(file, proc_ring_status_show, NULL);
}
static int
proc_ring_status_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static struct file_operations proc_ring_status_fops = {
owner: THIS_MODULE,
open: proc_ring_status_open,
read: seq_read,
llseek: seq_lseek,
release: proc_ring_status_release,
};
int
ngknet_procfs_init(void)
{
struct proc_dir_entry *entry = NULL;
proc_root = proc_mkdir(NGKNET_MODULE_NAME, NULL);
if (proc_root == NULL) {
printk(KERN_ERR "ngknet: proc_mkdir failed\n");
return -1;
}
PROC_CREATE(entry, "debug_level", 0666, proc_root, &proc_debug_level_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "device_info", 0444, proc_root, &proc_device_info_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "filter_info", 0444, proc_root, &proc_filter_info_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "netif_info", 0444, proc_root, &proc_netif_info_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "pkt_stats", 0444, proc_root, &proc_pkt_stats_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "rate_limit", 0666, proc_root, &proc_rate_limit_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "reg_status", 0444, proc_root, &proc_reg_status_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
PROC_CREATE(entry, "ring_status", 0444, proc_root, &proc_ring_status_fops);
if (entry == NULL) {
printk(KERN_ERR "ngknet: proc_create failed\n");
return -1;
}
return 0;
}
int
ngknet_procfs_cleanup(void)
{
remove_proc_entry("debug_level", proc_root);
remove_proc_entry("device_info", proc_root);
remove_proc_entry("filter_info", proc_root);
remove_proc_entry("netif_info", proc_root);
remove_proc_entry("pkt_stats", proc_root);
remove_proc_entry("rate_limit", proc_root);
remove_proc_entry("reg_status", proc_root);
remove_proc_entry("ring_status", proc_root);
remove_proc_entry(NGKNET_MODULE_NAME, NULL);
return 0;
}