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-rw-r--r--net/rxrpc/proc.c600
1 files changed, 600 insertions, 0 deletions
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
new file mode 100644
index 000000000000..d803562ca0ac
--- /dev/null
+++ b/net/rxrpc/proc.c
@@ -0,0 +1,600 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/* /proc/net/ support for AF_RXRPC
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ */
+
+#include <linux/module.h>
+#include <net/sock.h>
+#include <net/af_rxrpc.h>
+#include "ar-internal.h"
+
+static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = {
+ [RXRPC_CONN_UNUSED] = "Unused ",
+ [RXRPC_CONN_CLIENT_UNSECURED] = "ClUnsec ",
+ [RXRPC_CONN_CLIENT] = "Client ",
+ [RXRPC_CONN_SERVICE_PREALLOC] = "SvPrealc",
+ [RXRPC_CONN_SERVICE_UNSECURED] = "SvUnsec ",
+ [RXRPC_CONN_SERVICE_CHALLENGING] = "SvChall ",
+ [RXRPC_CONN_SERVICE] = "SvSecure",
+ [RXRPC_CONN_ABORTED] = "Aborted ",
+};
+
+/*
+ * generate a list of extant and dead calls in /proc/net/rxrpc_calls
+ */
+static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos)
+ __acquires(rcu)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ rcu_read_lock();
+ return seq_list_start_head_rcu(&rxnet->calls, *_pos);
+}
+
+static void *rxrpc_call_seq_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ return seq_list_next_rcu(v, &rxnet->calls, pos);
+}
+
+static void rxrpc_call_seq_stop(struct seq_file *seq, void *v)
+ __releases(rcu)
+{
+ rcu_read_unlock();
+}
+
+static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
+{
+ struct rxrpc_local *local;
+ struct rxrpc_call *call;
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ enum rxrpc_call_state state;
+ rxrpc_seq_t tx_bottom;
+ char lbuff[50], rbuff[50];
+ long timeout = 0;
+
+ if (v == &rxnet->calls) {
+ seq_puts(seq,
+ "Proto Local "
+ " Remote "
+ " SvID ConnID CallID End Use State Abort "
+ " DebugId TxSeq TW RxSeq RW RxSerial CW RxTimo\n");
+ return 0;
+ }
+
+ call = list_entry(v, struct rxrpc_call, link);
+
+ local = call->local;
+ if (local)
+ sprintf(lbuff, "%pISpc", &local->srx.transport);
+ else
+ strcpy(lbuff, "no_local");
+
+ sprintf(rbuff, "%pISpc", &call->dest_srx.transport);
+
+ state = rxrpc_call_state(call);
+ if (state != RXRPC_CALL_SERVER_PREALLOC)
+ timeout = ktime_ms_delta(READ_ONCE(call->expect_rx_by), ktime_get_real());
+
+ tx_bottom = READ_ONCE(call->tx_bottom);
+ seq_printf(seq,
+ "UDP %-47.47s %-47.47s %4x %08x %08x %s %3u"
+ " %-8.8s %08x %08x %08x %02x %08x %02x %08x %02x %06lx\n",
+ lbuff,
+ rbuff,
+ call->dest_srx.srx_service,
+ call->cid,
+ call->call_id,
+ rxrpc_is_service_call(call) ? "Svc" : "Clt",
+ refcount_read(&call->ref),
+ rxrpc_call_states[state],
+ call->abort_code,
+ call->debug_id,
+ tx_bottom, READ_ONCE(call->tx_top) - tx_bottom,
+ call->ackr_window, call->ackr_wtop - call->ackr_window,
+ call->rx_serial,
+ call->cong_cwnd,
+ timeout);
+
+ return 0;
+}
+
+const struct seq_operations rxrpc_call_seq_ops = {
+ .start = rxrpc_call_seq_start,
+ .next = rxrpc_call_seq_next,
+ .stop = rxrpc_call_seq_stop,
+ .show = rxrpc_call_seq_show,
+};
+
+/*
+ * generate a list of extant virtual connections in /proc/net/rxrpc_conns
+ */
+static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos)
+ __acquires(rxnet->conn_lock)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ read_lock(&rxnet->conn_lock);
+ return seq_list_start_head(&rxnet->conn_proc_list, *_pos);
+}
+
+static void *rxrpc_connection_seq_next(struct seq_file *seq, void *v,
+ loff_t *pos)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ return seq_list_next(v, &rxnet->conn_proc_list, pos);
+}
+
+static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v)
+ __releases(rxnet->conn_lock)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ read_unlock(&rxnet->conn_lock);
+}
+
+static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
+{
+ struct rxrpc_connection *conn;
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ const char *state;
+ char lbuff[50], rbuff[50];
+
+ if (v == &rxnet->conn_proc_list) {
+ seq_puts(seq,
+ "Proto Local "
+ " Remote "
+ " SvID ConnID End Ref Act State Key "
+ " Serial ISerial CallId0 CallId1 CallId2 CallId3\n"
+ );
+ return 0;
+ }
+
+ conn = list_entry(v, struct rxrpc_connection, proc_link);
+ if (conn->state == RXRPC_CONN_SERVICE_PREALLOC) {
+ strcpy(lbuff, "no_local");
+ strcpy(rbuff, "no_connection");
+ goto print;
+ }
+
+ sprintf(lbuff, "%pISpc", &conn->local->srx.transport);
+ sprintf(rbuff, "%pISpc", &conn->peer->srx.transport);
+print:
+ state = rxrpc_is_conn_aborted(conn) ?
+ rxrpc_call_completions[conn->completion] :
+ rxrpc_conn_states[conn->state];
+ seq_printf(seq,
+ "UDP %-47.47s %-47.47s %4x %08x %s %3u %3d"
+ " %s %08x %08x %08x %08x %08x %08x %08x\n",
+ lbuff,
+ rbuff,
+ conn->service_id,
+ conn->proto.cid,
+ rxrpc_conn_is_service(conn) ? "Svc" : "Clt",
+ refcount_read(&conn->ref),
+ atomic_read(&conn->active),
+ state,
+ key_serial(conn->key),
+ conn->tx_serial,
+ conn->hi_serial,
+ conn->channels[0].call_id,
+ conn->channels[1].call_id,
+ conn->channels[2].call_id,
+ conn->channels[3].call_id);
+
+ return 0;
+}
+
+const struct seq_operations rxrpc_connection_seq_ops = {
+ .start = rxrpc_connection_seq_start,
+ .next = rxrpc_connection_seq_next,
+ .stop = rxrpc_connection_seq_stop,
+ .show = rxrpc_connection_seq_show,
+};
+
+/*
+ * generate a list of extant virtual bundles in /proc/net/rxrpc/bundles
+ */
+static void *rxrpc_bundle_seq_start(struct seq_file *seq, loff_t *_pos)
+ __acquires(rxnet->conn_lock)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ read_lock(&rxnet->conn_lock);
+ return seq_list_start_head(&rxnet->bundle_proc_list, *_pos);
+}
+
+static void *rxrpc_bundle_seq_next(struct seq_file *seq, void *v,
+ loff_t *pos)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ return seq_list_next(v, &rxnet->bundle_proc_list, pos);
+}
+
+static void rxrpc_bundle_seq_stop(struct seq_file *seq, void *v)
+ __releases(rxnet->conn_lock)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ read_unlock(&rxnet->conn_lock);
+}
+
+static int rxrpc_bundle_seq_show(struct seq_file *seq, void *v)
+{
+ struct rxrpc_bundle *bundle;
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ char lbuff[50], rbuff[50];
+
+ if (v == &rxnet->bundle_proc_list) {
+ seq_puts(seq,
+ "Proto Local "
+ " Remote "
+ " SvID Ref Act Flg Key |"
+ " Bundle Conn_0 Conn_1 Conn_2 Conn_3\n"
+ );
+ return 0;
+ }
+
+ bundle = list_entry(v, struct rxrpc_bundle, proc_link);
+
+ sprintf(lbuff, "%pISpc", &bundle->local->srx.transport);
+ sprintf(rbuff, "%pISpc", &bundle->peer->srx.transport);
+ seq_printf(seq,
+ "UDP %-47.47s %-47.47s %4x %3u %3d"
+ " %c%c%c %08x | %08x %08x %08x %08x %08x\n",
+ lbuff,
+ rbuff,
+ bundle->service_id,
+ refcount_read(&bundle->ref),
+ atomic_read(&bundle->active),
+ bundle->try_upgrade ? 'U' : '-',
+ bundle->exclusive ? 'e' : '-',
+ bundle->upgrade ? 'u' : '-',
+ key_serial(bundle->key),
+ bundle->debug_id,
+ bundle->conn_ids[0],
+ bundle->conn_ids[1],
+ bundle->conn_ids[2],
+ bundle->conn_ids[3]);
+
+ return 0;
+}
+
+const struct seq_operations rxrpc_bundle_seq_ops = {
+ .start = rxrpc_bundle_seq_start,
+ .next = rxrpc_bundle_seq_next,
+ .stop = rxrpc_bundle_seq_stop,
+ .show = rxrpc_bundle_seq_show,
+};
+
+/*
+ * generate a list of extant virtual peers in /proc/net/rxrpc/peers
+ */
+static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
+{
+ struct rxrpc_peer *peer;
+ time64_t now;
+ char lbuff[50], rbuff[50];
+
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(seq,
+ "Proto Local Remote Use SST Maxd LastUse RTT RTO\n"
+ );
+ return 0;
+ }
+
+ peer = list_entry(v, struct rxrpc_peer, hash_link);
+
+ sprintf(lbuff, "%pISpc", &peer->local->srx.transport);
+
+ sprintf(rbuff, "%pISpc", &peer->srx.transport);
+
+ now = ktime_get_seconds();
+ seq_printf(seq,
+ "UDP %-47.47s %-47.47s %3u %4u %5u %6llus %8d %8d\n",
+ lbuff,
+ rbuff,
+ refcount_read(&peer->ref),
+ peer->cong_ssthresh,
+ peer->max_data,
+ now - peer->last_tx_at,
+ READ_ONCE(peer->recent_srtt_us),
+ READ_ONCE(peer->recent_rto_us));
+
+ return 0;
+}
+
+static void *rxrpc_peer_seq_start(struct seq_file *seq, loff_t *_pos)
+ __acquires(rcu)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ unsigned int bucket, n;
+ unsigned int shift = 32 - HASH_BITS(rxnet->peer_hash);
+ void *p;
+
+ rcu_read_lock();
+
+ if (*_pos >= UINT_MAX)
+ return NULL;
+
+ n = *_pos & ((1U << shift) - 1);
+ bucket = *_pos >> shift;
+ for (;;) {
+ if (bucket >= HASH_SIZE(rxnet->peer_hash)) {
+ *_pos = UINT_MAX;
+ return NULL;
+ }
+ if (n == 0) {
+ if (bucket == 0)
+ return SEQ_START_TOKEN;
+ *_pos += 1;
+ n++;
+ }
+
+ p = seq_hlist_start_rcu(&rxnet->peer_hash[bucket], n - 1);
+ if (p)
+ return p;
+ bucket++;
+ n = 1;
+ *_pos = (bucket << shift) | n;
+ }
+}
+
+static void *rxrpc_peer_seq_next(struct seq_file *seq, void *v, loff_t *_pos)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ unsigned int bucket, n;
+ unsigned int shift = 32 - HASH_BITS(rxnet->peer_hash);
+ void *p;
+
+ if (*_pos >= UINT_MAX)
+ return NULL;
+
+ bucket = *_pos >> shift;
+
+ p = seq_hlist_next_rcu(v, &rxnet->peer_hash[bucket], _pos);
+ if (p)
+ return p;
+
+ for (;;) {
+ bucket++;
+ n = 1;
+ *_pos = (bucket << shift) | n;
+
+ if (bucket >= HASH_SIZE(rxnet->peer_hash)) {
+ *_pos = UINT_MAX;
+ return NULL;
+ }
+ if (n == 0) {
+ *_pos += 1;
+ n++;
+ }
+
+ p = seq_hlist_start_rcu(&rxnet->peer_hash[bucket], n - 1);
+ if (p)
+ return p;
+ }
+}
+
+static void rxrpc_peer_seq_stop(struct seq_file *seq, void *v)
+ __releases(rcu)
+{
+ rcu_read_unlock();
+}
+
+
+const struct seq_operations rxrpc_peer_seq_ops = {
+ .start = rxrpc_peer_seq_start,
+ .next = rxrpc_peer_seq_next,
+ .stop = rxrpc_peer_seq_stop,
+ .show = rxrpc_peer_seq_show,
+};
+
+/*
+ * Generate a list of extant virtual local endpoints in /proc/net/rxrpc/locals
+ */
+static int rxrpc_local_seq_show(struct seq_file *seq, void *v)
+{
+ struct rxrpc_local *local;
+ char lbuff[50];
+
+ if (v == SEQ_START_TOKEN) {
+ seq_puts(seq,
+ "Proto Local "
+ " Use Act RxQ\n");
+ return 0;
+ }
+
+ local = hlist_entry(v, struct rxrpc_local, link);
+
+ sprintf(lbuff, "%pISpc", &local->srx.transport);
+
+ seq_printf(seq,
+ "UDP %-47.47s %3u %3u %3u\n",
+ lbuff,
+ refcount_read(&local->ref),
+ atomic_read(&local->active_users),
+ local->rx_queue.qlen);
+
+ return 0;
+}
+
+static void *rxrpc_local_seq_start(struct seq_file *seq, loff_t *_pos)
+ __acquires(rcu)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+ unsigned int n;
+
+ rcu_read_lock();
+
+ if (*_pos >= UINT_MAX)
+ return NULL;
+
+ n = *_pos;
+ if (n == 0)
+ return SEQ_START_TOKEN;
+
+ return seq_hlist_start_rcu(&rxnet->local_endpoints, n - 1);
+}
+
+static void *rxrpc_local_seq_next(struct seq_file *seq, void *v, loff_t *_pos)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
+
+ if (*_pos >= UINT_MAX)
+ return NULL;
+
+ return seq_hlist_next_rcu(v, &rxnet->local_endpoints, _pos);
+}
+
+static void rxrpc_local_seq_stop(struct seq_file *seq, void *v)
+ __releases(rcu)
+{
+ rcu_read_unlock();
+}
+
+const struct seq_operations rxrpc_local_seq_ops = {
+ .start = rxrpc_local_seq_start,
+ .next = rxrpc_local_seq_next,
+ .stop = rxrpc_local_seq_stop,
+ .show = rxrpc_local_seq_show,
+};
+
+/*
+ * Display stats in /proc/net/rxrpc/stats
+ */
+int rxrpc_stats_show(struct seq_file *seq, void *v)
+{
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_single_net(seq));
+
+ seq_printf(seq,
+ "Data : send=%u sendf=%u fail=%u emsz=%u\n",
+ atomic_read(&rxnet->stat_tx_data_send),
+ atomic_read(&rxnet->stat_tx_data_send_frag),
+ atomic_read(&rxnet->stat_tx_data_send_fail),
+ atomic_read(&rxnet->stat_tx_data_send_msgsize));
+ seq_printf(seq,
+ "Data-Tx : nr=%u retrans=%u uf=%u cwr=%u\n",
+ atomic_read(&rxnet->stat_tx_data),
+ atomic_read(&rxnet->stat_tx_data_retrans),
+ atomic_read(&rxnet->stat_tx_data_underflow),
+ atomic_read(&rxnet->stat_tx_data_cwnd_reset));
+ seq_printf(seq,
+ "Data-Rx : nr=%u reqack=%u jumbo=%u\n",
+ atomic_read(&rxnet->stat_rx_data),
+ atomic_read(&rxnet->stat_rx_data_reqack),
+ atomic_read(&rxnet->stat_rx_data_jumbo));
+ seq_printf(seq,
+ "Ack : fill=%u send=%u skip=%u\n",
+ atomic_read(&rxnet->stat_tx_ack_fill),
+ atomic_read(&rxnet->stat_tx_ack_send),
+ atomic_read(&rxnet->stat_tx_ack_skip));
+ seq_printf(seq,
+ "Ack-Tx : req=%u dup=%u oos=%u exw=%u nos=%u png=%u prs=%u dly=%u idl=%u\n",
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_REQUESTED]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_DUPLICATE]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_OUT_OF_SEQUENCE]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_EXCEEDS_WINDOW]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_NOSPACE]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_PING]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_PING_RESPONSE]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_DELAY]),
+ atomic_read(&rxnet->stat_tx_acks[RXRPC_ACK_IDLE]));
+ seq_printf(seq,
+ "Ack-Rx : req=%u dup=%u oos=%u exw=%u nos=%u png=%u prs=%u dly=%u idl=%u z=%u\n",
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_REQUESTED]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DUPLICATE]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_OUT_OF_SEQUENCE]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_EXCEEDS_WINDOW]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_NOSPACE]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_PING]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_PING_RESPONSE]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_DELAY]),
+ atomic_read(&rxnet->stat_rx_acks[RXRPC_ACK_IDLE]),
+ atomic_read(&rxnet->stat_rx_acks[0]));
+ seq_printf(seq,
+ "Why-Req-A: acklost=%u mrtt=%u ortt=%u stall=%u\n",
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_ack_lost]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_more_rtt]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_old_rtt]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_app_stall]));
+ seq_printf(seq,
+ "Why-Req-A: nolast=%u retx=%u slows=%u smtxw=%u\n",
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_no_srv_last]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_retrans]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_slow_start]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_small_txwin]));
+ seq_printf(seq,
+ "Jumbo-Tx : %u,%u,%u,%u,%u,%u,%u,%u,%u,%u\n",
+ atomic_read(&rxnet->stat_tx_jumbo[0]),
+ atomic_read(&rxnet->stat_tx_jumbo[1]),
+ atomic_read(&rxnet->stat_tx_jumbo[2]),
+ atomic_read(&rxnet->stat_tx_jumbo[3]),
+ atomic_read(&rxnet->stat_tx_jumbo[4]),
+ atomic_read(&rxnet->stat_tx_jumbo[5]),
+ atomic_read(&rxnet->stat_tx_jumbo[6]),
+ atomic_read(&rxnet->stat_tx_jumbo[7]),
+ atomic_read(&rxnet->stat_tx_jumbo[8]),
+ atomic_read(&rxnet->stat_tx_jumbo[9]));
+ seq_printf(seq,
+ "Jumbo-Rx : %u,%u,%u,%u,%u,%u,%u,%u,%u,%u\n",
+ atomic_read(&rxnet->stat_rx_jumbo[0]),
+ atomic_read(&rxnet->stat_rx_jumbo[1]),
+ atomic_read(&rxnet->stat_rx_jumbo[2]),
+ atomic_read(&rxnet->stat_rx_jumbo[3]),
+ atomic_read(&rxnet->stat_rx_jumbo[4]),
+ atomic_read(&rxnet->stat_rx_jumbo[5]),
+ atomic_read(&rxnet->stat_rx_jumbo[6]),
+ atomic_read(&rxnet->stat_rx_jumbo[7]),
+ atomic_read(&rxnet->stat_rx_jumbo[8]),
+ atomic_read(&rxnet->stat_rx_jumbo[9]));
+ seq_printf(seq,
+ "Buffers : txb=%u rxb=%u\n",
+ atomic_read(&rxrpc_nr_txbuf),
+ atomic_read(&rxrpc_n_rx_skbs));
+ seq_printf(seq,
+ "IO-thread: loops=%u\n",
+ atomic_read(&rxnet->stat_io_loop));
+ return 0;
+}
+
+/*
+ * Clear stats if /proc/net/rxrpc/stats is written to.
+ */
+int rxrpc_stats_clear(struct file *file, char *buf, size_t size)
+{
+ struct seq_file *m = file->private_data;
+ struct rxrpc_net *rxnet = rxrpc_net(seq_file_single_net(m));
+
+ if (size > 1 || (size == 1 && buf[0] != '\n'))
+ return -EINVAL;
+
+ atomic_set(&rxnet->stat_tx_data, 0);
+ atomic_set(&rxnet->stat_tx_data_retrans, 0);
+ atomic_set(&rxnet->stat_tx_data_underflow, 0);
+ atomic_set(&rxnet->stat_tx_data_cwnd_reset, 0);
+ atomic_set(&rxnet->stat_tx_data_send, 0);
+ atomic_set(&rxnet->stat_tx_data_send_frag, 0);
+ atomic_set(&rxnet->stat_tx_data_send_fail, 0);
+ atomic_set(&rxnet->stat_rx_data, 0);
+ atomic_set(&rxnet->stat_rx_data_reqack, 0);
+ atomic_set(&rxnet->stat_rx_data_jumbo, 0);
+
+ atomic_set(&rxnet->stat_tx_ack_fill, 0);
+ atomic_set(&rxnet->stat_tx_ack_send, 0);
+ atomic_set(&rxnet->stat_tx_ack_skip, 0);
+ memset(&rxnet->stat_tx_acks, 0, sizeof(rxnet->stat_tx_acks));
+ memset(&rxnet->stat_rx_acks, 0, sizeof(rxnet->stat_rx_acks));
+ memset(&rxnet->stat_tx_jumbo, 0, sizeof(rxnet->stat_tx_jumbo));
+ memset(&rxnet->stat_rx_jumbo, 0, sizeof(rxnet->stat_rx_jumbo));
+
+ memset(&rxnet->stat_why_req_ack, 0, sizeof(rxnet->stat_why_req_ack));
+
+ atomic_set(&rxnet->stat_io_loop, 0);
+ return size;
+}