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-rw-r--r--net/rxrpc/proc.c110
1 files changed, 103 insertions, 7 deletions
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 245418943e01..fae22a8b38d6 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -54,8 +54,9 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
struct rxrpc_call *call;
struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
unsigned long timeout = 0;
- rxrpc_seq_t tx_hard_ack, rx_hard_ack;
+ rxrpc_seq_t acks_hard_ack;
char lbuff[50], rbuff[50];
+ u64 wtmp;
if (v == &rxnet->calls) {
seq_puts(seq,
@@ -90,8 +91,8 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
timeout -= jiffies;
}
- tx_hard_ack = READ_ONCE(call->tx_hard_ack);
- rx_hard_ack = READ_ONCE(call->rx_hard_ack);
+ acks_hard_ack = READ_ONCE(call->acks_hard_ack);
+ wtmp = atomic64_read_acquire(&call->ackr_window);
seq_printf(seq,
"UDP %-47.47s %-47.47s %4x %08x %08x %s %3u"
" %-8.8s %08x %08x %08x %02x %08x %02x %08x %06lx\n",
@@ -105,8 +106,8 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
rxrpc_call_states[call->state],
call->abort_code,
call->debug_id,
- tx_hard_ack, READ_ONCE(call->tx_top) - tx_hard_ack,
- rx_hard_ack, READ_ONCE(call->rx_top) - rx_hard_ack,
+ acks_hard_ack, READ_ONCE(call->tx_top) - acks_hard_ack,
+ lower_32_bits(wtmp), upper_32_bits(wtmp) - lower_32_bits(wtmp),
call->rx_serial,
timeout);
@@ -216,7 +217,7 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
seq_puts(seq,
"Proto Local "
" Remote "
- " Use CW MTU LastUse RTT RTO\n"
+ " Use SST MTU LastUse RTT RTO\n"
);
return 0;
}
@@ -234,7 +235,7 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
lbuff,
rbuff,
refcount_read(&peer->ref),
- peer->cong_cwnd,
+ peer->cong_ssthresh,
peer->mtu,
now - peer->last_tx_at,
peer->srtt_us >> 3,
@@ -397,3 +398,98 @@ const struct seq_operations rxrpc_local_seq_ops = {
.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\n",
+ atomic_read(&rxnet->stat_tx_data_send),
+ atomic_read(&rxnet->stat_tx_data_send_frag));
+ seq_printf(seq,
+ "Data-Tx : nr=%u retrans=%u\n",
+ atomic_read(&rxnet->stat_tx_data),
+ atomic_read(&rxnet->stat_tx_data_retrans));
+ 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\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]));
+ seq_printf(seq,
+ "Why-Req-A: acklost=%u already=%u mrtt=%u ortt=%u\n",
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_ack_lost]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_already_on]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_more_rtt]),
+ atomic_read(&rxnet->stat_why_req_ack[rxrpc_reqack_old_rtt]));
+ 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,
+ "Buffers : txb=%u rxb=%u\n",
+ atomic_read(&rxrpc_nr_txbuf),
+ atomic_read(&rxrpc_n_rx_skbs));
+ 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_send, 0);
+ atomic_set(&rxnet->stat_tx_data_send_frag, 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_why_req_ack, 0, sizeof(rxnet->stat_why_req_ack));
+ return size;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 03:24:34 +0100