| /* |
| ************************************************************************** |
| * Copyright (c) 2020, The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| ************************************************************************** |
| */ |
| |
| #include "nss_stats.h" |
| #include "nss_core.h" |
| #include "nss_strings.h" |
| |
| /* |
| * nss_eth_rx_strings_stats |
| * Ethernet Rx statistics strings. |
| */ |
| struct nss_stats_info nss_eth_rx_strings_stats[NSS_ETH_RX_STATS_MAX] = { |
| {"ticks" , NSS_STATS_TYPE_SPECIAL}, |
| {"worst_ticks" , NSS_STATS_TYPE_SPECIAL}, |
| {"iterations" , NSS_STATS_TYPE_SPECIAL} |
| }; |
| |
| /* |
| * nss_eth_rx_strings_exception_stats |
| * Interface statistics strings for unknown exceptions. |
| */ |
| struct nss_stats_info nss_eth_rx_strings_exception_stats[NSS_ETH_RX_EXCEPTION_EVENT_MAX] = { |
| {"unknown_l3_protocol" , NSS_STATS_TYPE_EXCEPTION}, |
| {"eth_hdr_missing" , NSS_STATS_TYPE_EXCEPTION}, |
| {"vlan_missing" , NSS_STATS_TYPE_EXCEPTION}, |
| {"trustsec_hdr_missing" , NSS_STATS_TYPE_EXCEPTION} |
| }; |
| |
| /* |
| * nss_eth_rx_special_stats_strings_read() |
| * Read Ethernet Rx special node statistics names. |
| */ |
| static ssize_t nss_eth_rx_special_stats_strings_read(struct file *fp, char __user *ubuf, size_t sz, loff_t *ppos) |
| { |
| return nss_strings_print(ubuf, sz, ppos, nss_eth_rx_strings_stats, NSS_ETH_RX_STATS_MAX); |
| } |
| |
| /* |
| * nss_eth_rx_exception_stats_strings_read() |
| * Read Ethernet Rx exception statistics names. |
| */ |
| static ssize_t nss_eth_rx_exception_stats_strings_read(struct file *fp, char __user *ubuf, size_t sz, loff_t *ppos) |
| { |
| return nss_strings_print(ubuf, sz, ppos, nss_eth_rx_strings_exception_stats, NSS_ETH_RX_EXCEPTION_EVENT_MAX); |
| } |
| |
| /* |
| * nss_eth_rx_special_stats_strings_ops |
| */ |
| NSS_STRINGS_DECLARE_FILE_OPERATIONS(eth_rx_special_stats); |
| |
| /* |
| * nss_eth_rx_exception_stats_strings_ops |
| */ |
| NSS_STRINGS_DECLARE_FILE_OPERATIONS(eth_rx_exception_stats); |
| |
| /* |
| * nss_eth_rx_strings_dentry_create() |
| * Create Ethernet Rx statistics strings debug entry. |
| */ |
| void nss_eth_rx_strings_dentry_create(void) |
| { |
| struct dentry *eth_rx_d = NULL; |
| struct dentry *eth_rx_spcl_stats_d = NULL; |
| struct dentry *eth_rx_excp_stats_d = NULL; |
| |
| if (!nss_top_main.strings_dentry) { |
| nss_warning("qca-nss-drv/strings is not present"); |
| return; |
| } |
| |
| eth_rx_d = debugfs_create_dir("eth_rx", nss_top_main.strings_dentry); |
| if (!eth_rx_d) { |
| nss_warning("Failed to create qca-nss-drv/strings/eth_rx directory"); |
| return; |
| } |
| |
| eth_rx_spcl_stats_d = debugfs_create_file("special_stats_str", 0400, eth_rx_d, &nss_top_main, &nss_eth_rx_special_stats_strings_ops); |
| if (!eth_rx_spcl_stats_d) { |
| nss_warning("Failed to create qca-nss-drv/stats/eth_rx/special_stats_str file"); |
| debugfs_remove_recursive(eth_rx_d); |
| return; |
| } |
| |
| eth_rx_excp_stats_d = debugfs_create_file("exception_stats_str", 0400, eth_rx_d, &nss_top_main, &nss_eth_rx_exception_stats_strings_ops); |
| if (!eth_rx_excp_stats_d) { |
| nss_warning("Failed to create qca-nss-drv/stats/eth_rx/exception_stats_str file"); |
| debugfs_remove_recursive(eth_rx_d); |
| return; |
| } |
| } |