| /* |
| ************************************************************************** |
| * 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_tx_rx_common.h" |
| #include "nss_dynamic_interface.h" |
| |
| /* |
| * nss_dynamic_interface_type_names |
| * Name strings for dynamic interface types |
| */ |
| const char *nss_dynamic_interface_type_names[NSS_DYNAMIC_INTERFACE_TYPE_MAX] = { |
| "NSS_DYNAMIC_INTERFACE_TYPE_NONE", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RESERVED_5", |
| "NSS_DYNAMIC_INTERFACE_TYPE_TUNIPIP6_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_TUNIPIP6_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RESERVED", |
| "NSS_DYNAMIC_INTERFACE_TYPE_VAP", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RESERVED_0", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PPPOE", |
| "NSS_DYNAMIC_INTERFACE_TYPE_VIRTIF_DEPRECATED", |
| "NSS_DYNAMIC_INTERFACE_TYPE_L2TPV2", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RESERVED_4", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PORTID", |
| "NSS_DYNAMIC_INTERFACE_TYPE_DTLS", |
| "NSS_DYNAMIC_INTERFACE_TYPE_QVPN_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_QVPN_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_BRIDGE", |
| "NSS_DYNAMIC_INTERFACE_TYPE_VLAN", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RESERVED_3", |
| "NSS_DYNAMIC_INTERFACE_TYPE_WIFILI_INTERNAL", |
| "NSS_DYNAMIC_INTERFACE_TYPE_MAP_T_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_MAP_T_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_TUNNEL_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_TUNNEL_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_DTLS_CMN_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_DTLS_CMN_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_WIFI_HOST_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_WIFI_OFFL_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_SJACK_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_TUNNEL_INLINE_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_TUNNEL_INLINE_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GENERIC_REDIR_N2H", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GENERIC_REDIR_H2N", |
| "NSS_DYNAMIC_INTERFACE_TYPE_TUN6RD_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_TUN6RD_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_LAG_US", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_LAG_DS", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_TUNNEL_INNER_EXCEPTION", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_EXCEPTION_US", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_REDIR_EXCEPTION_DS", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_GRE_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PPTP_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PPTP_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PPTP_HOST_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_IPSEC_CMN_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_IPSEC_CMN_MDATA_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_IPSEC_CMN_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_IPSEC_CMN_MDATA_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_IPSEC_CMN_REDIRECT", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PVXLAN_HOST_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_PVXLAN_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_IGS", |
| "NSS_DYNAMIC_INTERFACE_TYPE_CLMAP_US", |
| "NSS_DYNAMIC_INTERFACE_TYPE_CLMAP_DS", |
| "NSS_DYNAMIC_INTERFACE_TYPE_VXLAN_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_VXLAN_OUTER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_MATCH", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RMNET_RX_N2H", |
| "NSS_DYNAMIC_INTERFACE_TYPE_RMNET_RX_H2N", |
| "NSS_DYNAMIC_INTERFACE_TYPE_WIFILI_EXTERNAL0", |
| "NSS_DYNAMIC_INTERFACE_TYPE_WIFILI_EXTERNAL1", |
| "NSS_DYNAMIC_INTERFACE_TYPE_CAPWAP_HOST_INNER", |
| "NSS_DYNAMIC_INTERFACE_TYPE_CAPWAP_OUTER", |
| }; |
| |
| /* |
| * nss_dynamic_interface_type_names_stats_read() |
| * Read and display dynamic interface types names |
| */ |
| static ssize_t nss_dynamic_interface_type_names_stats_read(struct file *fp, char __user *ubuf, size_t sz, loff_t *ppos) |
| { |
| int i; |
| char *lbuf = NULL; |
| size_t size_wr = 0; |
| ssize_t bytes_read = 0; |
| uint32_t max_output_lines = 2 /* header & footer for stats */ |
| + NSS_DYNAMIC_INTERFACE_TYPE_MAX /* maximum number of dynamic interface types */ |
| + 2; |
| size_t size_al = NSS_STATS_MAX_STR_LENGTH * max_output_lines; |
| |
| lbuf = kzalloc(size_al, GFP_KERNEL); |
| if (unlikely(lbuf == NULL)) { |
| nss_warning("Could not allocate memory for local statistics buffer"); |
| return 0; |
| } |
| |
| /* |
| * name strings |
| */ |
| size_wr += scnprintf(lbuf + size_wr, size_al - size_wr, "\n dynamic interface type names start:\n\n"); |
| |
| for (i = 0; i < NSS_DYNAMIC_INTERFACE_TYPE_MAX; i++) { |
| size_wr += scnprintf(lbuf + size_wr, size_al - size_wr, |
| "\t%u : %s\n", i, nss_dynamic_interface_type_names[i]); |
| } |
| |
| size_wr += scnprintf(lbuf + size_wr, size_al - size_wr, "\n"); |
| |
| size_wr += scnprintf(lbuf + size_wr, size_al - size_wr, "\n dynamic interface type names end\n"); |
| bytes_read = simple_read_from_buffer(ubuf, sz, ppos, lbuf, size_wr); |
| |
| kfree(lbuf); |
| return bytes_read; |
| } |
| |
| /* |
| * nss_dynamic_interface_type_names_stats_ops |
| */ |
| NSS_STATS_DECLARE_FILE_OPERATIONS(dynamic_interface_type_names) |
| |
| /* |
| * nss_dynamic_interface_stats_dentry_create() |
| * Create dynamic-interface statistics debug entry. |
| */ |
| void nss_dynamic_interface_stats_dentry_create(void) |
| { |
| struct dentry *di_dentry = NULL; |
| struct dentry *di_type_name_d = NULL; |
| |
| di_dentry = debugfs_create_dir("dynamic_if", nss_top_main.stats_dentry); |
| if (unlikely(di_dentry == NULL)) { |
| nss_warning("Failed to create qca-nss-drv/stats/dynamic_if directory"); |
| return; |
| } |
| |
| di_type_name_d = debugfs_create_file("type_names", 0400, di_dentry, |
| &nss_top_main, &nss_dynamic_interface_type_names_stats_ops); |
| if (unlikely(di_type_name_d == NULL)) { |
| nss_warning("Failed to create qca-nss-drv/stats/dynamic_if/type_names file"); |
| return; |
| } |
| } |