| /* |
| ************************************************************************** |
| * Copyright (c) 2016-2017, 2019-2021 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_core.h" |
| #include "nss_wifi.h" |
| #include "nss_wifi_stats.h" |
| |
| /* |
| * nss_wifi_stats_str |
| * Wifi statistics strings. |
| */ |
| struct nss_stats_info nss_wifi_stats_str[NSS_WIFI_STATS_MAX] = { |
| {"rx_pkts" , NSS_STATS_TYPE_COMMON}, |
| {"rx_queue[0]_drops" , NSS_STATS_TYPE_DROP}, |
| {"rx_queue[1]_drops" , NSS_STATS_TYPE_DROP}, |
| {"rx_queue[2]_drops" , NSS_STATS_TYPE_DROP}, |
| {"rx_queue[3]_drops" , NSS_STATS_TYPE_DROP}, |
| {"tx_pkts" , NSS_STATS_TYPE_COMMON}, |
| {"tx_drops" , NSS_STATS_TYPE_DROP}, |
| {"tx_transmit_completed" , NSS_STATS_TYPE_SPECIAL}, |
| {"tx_mgmt_received" , NSS_STATS_TYPE_SPECIAL}, |
| {"tx_mgmt_transmitted" , NSS_STATS_TYPE_SPECIAL}, |
| {"tx_mgmt_drops" , NSS_STATS_TYPE_DROP}, |
| {"tx_mgmt_completed" , NSS_STATS_TYPE_SPECIAL}, |
| {"tx_inv_peer_enq_cnt" , NSS_STATS_TYPE_SPECIAL}, |
| {"rx_inv_peer_rcv_cnt" , NSS_STATS_TYPE_SPECIAL}, |
| {"rx_pn_check_failed" , NSS_STATS_TYPE_DROP}, |
| {"rx_pkts_deliverd" , NSS_STATS_TYPE_SPECIAL}, |
| {"rx_bytes_delivered" , NSS_STATS_TYPE_SPECIAL}, |
| {"tx_bytes_completed" , NSS_STATS_TYPE_SPECIAL}, |
| {"rx_deliver_unaligned_drop_cnt" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_cnt_0" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_1" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_2" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_3" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_4" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_5" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_6" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_cnt_7" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_0" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_1" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_2" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_3" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_4" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_5" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_6" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_cnt_7" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_enqueue_fail_cnt_0" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_1" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_2" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_3" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_4" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_5" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_6" , NSS_STATS_TYPE_DROP}, |
| {"tidq_enqueue_fail_cnt_7" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_0" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_1" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_2" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_3" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_4" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_5" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_6" , NSS_STATS_TYPE_DROP}, |
| {"tidq_ttl_expire_cnt_7" , NSS_STATS_TYPE_DROP}, |
| {"tidq_dequeue_req_cnt_0" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_1" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_2" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_3" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_4" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_5" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_6" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_dequeue_req_cnt_7" , NSS_STATS_TYPE_SPECIAL}, |
| {"total_tidq_depth" , NSS_STATS_TYPE_SPECIAL}, |
| {"rx_htt_fetch_cnt" , NSS_STATS_TYPE_SPECIAL}, |
| {"total_tidq_bypass_cnt" , NSS_STATS_TYPE_SPECIAL}, |
| {"global_q_full_cnt" , NSS_STATS_TYPE_SPECIAL}, |
| {"tidq_full_cnt" , NSS_STATS_TYPE_SPECIAL}, |
| {"peer_unauth_rx_pkt_drop" , NSS_STATS_TYPE_DROP} |
| }; |
| |
| uint64_t nss_wifi_stats[NSS_MAX_WIFI_RADIO_INTERFACES][NSS_WIFI_STATS_MAX]; /* WIFI statistics */ |
| |
| /* |
| * nss_wifi_stats_read() |
| * Read wifi statistics. |
| */ |
| static ssize_t nss_wifi_stats_read(struct file *fp, char __user *ubuf, size_t sz, loff_t *ppos) |
| { |
| uint32_t i, id; |
| |
| /* |
| * Max output lines = #stats * NSS_MAX_CORES + |
| * Few output lines for banner printing + Number of Extra outputlines for future reference to add new stats. |
| */ |
| uint32_t max_output_lines = NSS_WIFI_STATS_MAX * NSS_MAX_WIFI_RADIO_INTERFACES + NSS_STATS_EXTRA_OUTPUT_LINES; |
| size_t size_al = NSS_STATS_MAX_STR_LENGTH * max_output_lines; |
| size_t size_wr = 0; |
| ssize_t bytes_read = 0; |
| uint64_t *stats_shadow; |
| |
| char *lbuf = kzalloc(size_al, GFP_KERNEL); |
| if (unlikely(lbuf == NULL)) { |
| nss_warning("Could not allocate memory for local statistics buffer"); |
| return 0; |
| } |
| |
| stats_shadow = kzalloc(NSS_WIFI_STATS_MAX * 8, GFP_KERNEL); |
| if (unlikely(stats_shadow == NULL)) { |
| nss_warning("Could not allocate memory for local shadow buffer"); |
| kfree(lbuf); |
| return 0; |
| } |
| |
| size_wr += nss_stats_banner(lbuf, size_wr, size_al, "wifi", NSS_STATS_SINGLE_CORE); |
| |
| for (id = 0; id < NSS_MAX_WIFI_RADIO_INTERFACES; id++) { |
| spin_lock_bh(&nss_top_main.stats_lock); |
| for (i = 0; (i < NSS_WIFI_STATS_MAX); i++) { |
| stats_shadow[i] = nss_wifi_stats[id][i]; |
| } |
| |
| spin_unlock_bh(&nss_top_main.stats_lock); |
| size_wr += nss_stats_print("wifi", NULL, id, nss_wifi_stats_str, stats_shadow, NSS_WIFI_STATS_MAX, lbuf, size_wr, size_al); |
| size_wr += scnprintf(lbuf + size_wr, size_al - size_wr, "\n"); |
| } |
| |
| bytes_read = simple_read_from_buffer(ubuf, sz, ppos, lbuf, strlen(lbuf)); |
| kfree(lbuf); |
| kfree(stats_shadow); |
| return bytes_read; |
| } |
| |
| /* |
| * nss_wifi_stats_ops |
| */ |
| NSS_STATS_DECLARE_FILE_OPERATIONS(wifi) |
| |
| /* |
| * nss_wifi_stats_dentry_create() |
| * Create wifi statistics debug entry. |
| */ |
| void nss_wifi_stats_dentry_create(void) |
| { |
| nss_stats_create_dentry("wifi", &nss_wifi_stats_ops); |
| } |
| |
| /* |
| * nss_wifi_stats_sync() |
| * Handle the syncing of WIFI stats. |
| */ |
| void nss_wifi_stats_sync(struct nss_ctx_instance *nss_ctx, |
| struct nss_wifi_stats_sync_msg *stats, uint16_t interface) |
| { |
| struct nss_top_instance *nss_top = nss_ctx->nss_top; |
| uint32_t radio_id = interface - NSS_WIFI_INTERFACE0; |
| uint8_t i = 0; |
| |
| if (radio_id >= NSS_MAX_WIFI_RADIO_INTERFACES) { |
| nss_warning("%px: invalid interface: %d", nss_ctx, interface); |
| return; |
| } |
| |
| spin_lock_bh(&nss_top->stats_lock); |
| |
| /* |
| * Tx/Rx stats |
| */ |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_PKTS] += stats->node_stats.rx_packets; |
| for (i = 0; i < NSS_MAX_NUM_PRI; i++) { |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_QUEUE_0_DROPPED + i] += stats->node_stats.rx_dropped[i]; |
| } |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TX_PKTS] += stats->node_stats.tx_packets; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TX_DROPPED] += stats->tx_transmit_dropped; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TX_COMPLETED] += stats->tx_transmit_completions; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_MGMT_RCV_CNT] += stats->tx_mgmt_rcv_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_MGMT_TX_PKTS] += stats->tx_mgmt_pkts; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_MGMT_TX_DROPPED] += stats->tx_mgmt_dropped; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_MGMT_TX_COMPLETIONS] += stats->tx_mgmt_completions; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TX_INV_PEER_ENQUEUE_CNT] += stats->tx_inv_peer_enq_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_INV_PEER_RCV_CNT] += stats->rx_inv_peer_rcv_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_PN_CHECK_FAILED] += stats->rx_pn_check_failed; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_DELIVERED] += stats->rx_pkts_deliverd; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_BYTES_DELIVERED] += stats->rx_bytes_deliverd; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TX_BYTES_COMPLETED] += stats->tx_bytes_transmit_completions; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_DELIVER_UNALIGNED_DROP_CNT] += stats->rx_deliver_unaligned_drop_cnt; |
| |
| for (i = 0; i < NSS_WIFI_TX_NUM_TOS_TIDS; i++) { |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TIDQ_ENQUEUE_CNT + i] += stats->tidq_enqueue_cnt[i]; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TIDQ_DEQUEUE_CNT + i] += stats->tidq_dequeue_cnt[i]; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TIDQ_ENQUEUE_FAIL_CNT + i] += stats->tidq_enqueue_fail_cnt[i]; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TIDQ_TTL_EXPIRE_CNT + i] += stats->tidq_ttl_expire_cnt[i]; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TIDQ_DEQUEUE_REQ_CNT + i] += stats->tidq_dequeue_req_cnt[i]; |
| } |
| |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_RX_HTT_FETCH_CNT] += stats->rx_htt_fetch_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TOTAL_TIDQ_DEPTH] = stats->total_tidq_depth; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TOTAL_TIDQ_BYPASS_CNT] += stats->total_tidq_bypass_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_GLOBAL_Q_FULL_CNT] += stats->global_q_full_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_TIDQ_FULL_CNT] += stats->tidq_full_cnt; |
| nss_wifi_stats[radio_id][NSS_WIFI_STATS_UNATH_RX_PKT_DROP] += stats->peer_unauth_rx_pkt_drop; |
| |
| spin_unlock_bh(&nss_top->stats_lock); |
| } |