diff options
-rw-r--r-- | include/trace/events/rxrpc.h | 6 | ||||
-rw-r--r-- | net/rxrpc/ar-internal.h | 3 | ||||
-rw-r--r-- | net/rxrpc/call_event.c | 2 | ||||
-rw-r--r-- | net/rxrpc/misc.c | 1 | ||||
-rw-r--r-- | net/rxrpc/output.c | 17 | ||||
-rw-r--r-- | net/rxrpc/sendmsg.c | 2 | ||||
-rw-r--r-- | net/rxrpc/skbuff.c | 11 |
7 files changed, 19 insertions, 23 deletions
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h index ada12d00118c..8ba8d76e856a 100644 --- a/include/trace/events/rxrpc.h +++ b/include/trace/events/rxrpc.h @@ -258,15 +258,16 @@ TRACE_EVENT(rxrpc_rx_ack, TRACE_EVENT(rxrpc_tx_data, TP_PROTO(struct rxrpc_call *call, rxrpc_seq_t seq, - rxrpc_serial_t serial, u8 flags, bool lose), + rxrpc_serial_t serial, u8 flags, bool retrans, bool lose), - TP_ARGS(call, seq, serial, flags, lose), + TP_ARGS(call, seq, serial, flags, retrans, lose), TP_STRUCT__entry( __field(struct rxrpc_call *, call ) __field(rxrpc_seq_t, seq ) __field(rxrpc_serial_t, serial ) __field(u8, flags ) + __field(bool, retrans ) __field(bool, lose ) ), @@ -275,6 +276,7 @@ TRACE_EVENT(rxrpc_tx_data, __entry->seq = seq; __entry->serial = serial; __entry->flags = flags; + __entry->retrans = retrans; __entry->lose = lose; ), diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index ca96e547cb9a..6aadaa7d8b43 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -603,7 +603,6 @@ enum rxrpc_skb_trace { rxrpc_skb_tx_cleaned, rxrpc_skb_tx_freed, rxrpc_skb_tx_got, - rxrpc_skb_tx_lost, rxrpc_skb_tx_new, rxrpc_skb_tx_rotated, rxrpc_skb_tx_seen, @@ -1073,7 +1072,7 @@ extern const s8 rxrpc_ack_priority[]; * output.c */ int rxrpc_send_call_packet(struct rxrpc_call *, u8); -int rxrpc_send_data_packet(struct rxrpc_call *, struct sk_buff *); +int rxrpc_send_data_packet(struct rxrpc_call *, struct sk_buff *, bool); void rxrpc_reject_packets(struct rxrpc_local *); /* diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c index 0e8478012212..1f6c7633b964 100644 --- a/net/rxrpc/call_event.c +++ b/net/rxrpc/call_event.c @@ -256,7 +256,7 @@ static void rxrpc_resend(struct rxrpc_call *call) rxrpc_get_skb(skb, rxrpc_skb_tx_got); spin_unlock_bh(&call->lock); - if (rxrpc_send_data_packet(call, skb) < 0) { + if (rxrpc_send_data_packet(call, skb, true) < 0) { rxrpc_free_skb(skb, rxrpc_skb_tx_freed); return; } diff --git a/net/rxrpc/misc.c b/net/rxrpc/misc.c index aedb8978226d..47dddacdbb91 100644 --- a/net/rxrpc/misc.c +++ b/net/rxrpc/misc.c @@ -108,7 +108,6 @@ const char rxrpc_skb_traces[rxrpc_skb__nr_trace][7] = { [rxrpc_skb_tx_cleaned] = "Tx CLN", [rxrpc_skb_tx_freed] = "Tx FRE", [rxrpc_skb_tx_got] = "Tx GOT", - [rxrpc_skb_tx_lost] = "Tx *L*", [rxrpc_skb_tx_new] = "Tx NEW", [rxrpc_skb_tx_rotated] = "Tx ROT", [rxrpc_skb_tx_seen] = "Tx SEE", diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index cf43a715685e..ac9a58b619a6 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -238,7 +238,8 @@ out: /* * send a packet through the transport endpoint */ -int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb) +int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb, + bool retrans) { struct rxrpc_connection *conn = call->conn; struct rxrpc_wire_header whdr; @@ -247,6 +248,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb) struct kvec iov[2]; rxrpc_serial_t serial; size_t len; + bool lost = false; int ret, opt; _enter(",{%d}", skb->len); @@ -281,7 +283,7 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb) /* If our RTT cache needs working on, request an ACK. Also request * ACKs if a DATA packet appears to have been lost. */ - if (call->cong_mode == RXRPC_CALL_FAST_RETRANSMIT || + if (retrans || (call->peer->rtt_usage < 3 && sp->hdr.seq & 1) || ktime_before(ktime_add_ms(call->peer->rtt_last_req, 1000), ktime_get_real())) @@ -290,11 +292,9 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb) if (IS_ENABLED(CONFIG_AF_RXRPC_INJECT_LOSS)) { static int lose; if ((lose++ & 7) == 7) { - trace_rxrpc_tx_data(call, sp->hdr.seq, serial, - whdr.flags, true); - rxrpc_lose_skb(skb, rxrpc_skb_tx_lost); - _leave(" = 0 [lose]"); - return 0; + ret = 0; + lost = true; + goto done; } } @@ -319,7 +319,8 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb) goto send_fragmentable; done: - trace_rxrpc_tx_data(call, sp->hdr.seq, serial, whdr.flags, false); + trace_rxrpc_tx_data(call, sp->hdr.seq, serial, whdr.flags, + retrans, lost); if (ret >= 0) { ktime_t now = ktime_get_real(); skb->tstamp = now; diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index 1f8040d82395..d8dfdce874d8 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -144,7 +144,7 @@ static void rxrpc_queue_packet(struct rxrpc_call *call, struct sk_buff *skb, if (seq == 1 && rxrpc_is_client_call(call)) rxrpc_expose_client_call(call); - ret = rxrpc_send_data_packet(call, skb); + ret = rxrpc_send_data_packet(call, skb, false); if (ret < 0) { _debug("need instant resend %d", ret); rxrpc_instant_resend(call, ix); diff --git a/net/rxrpc/skbuff.c b/net/rxrpc/skbuff.c index 5154cbf7e540..67b02c45271b 100644 --- a/net/rxrpc/skbuff.c +++ b/net/rxrpc/skbuff.c @@ -77,14 +77,9 @@ void rxrpc_lose_skb(struct sk_buff *skb, enum rxrpc_skb_trace op) if (skb) { int n; CHECK_SLAB_OKAY(&skb->users); - if (op == rxrpc_skb_tx_lost) { - n = atomic_read(select_skb_count(op)); - trace_rxrpc_skb(skb, op, atomic_read(&skb->users), n, here); - } else { - n = atomic_dec_return(select_skb_count(op)); - trace_rxrpc_skb(skb, op, atomic_read(&skb->users), n, here); - kfree_skb(skb); - } + n = atomic_dec_return(select_skb_count(op)); + trace_rxrpc_skb(skb, op, atomic_read(&skb->users), n, here); + kfree_skb(skb); } } |