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Message-ID: <166919802092.1256245.5149846990778666626.stgit@warthog.procyon.org.uk>
Date: Wed, 23 Nov 2022 10:07:00 +0000
From: David Howells <dhowells@...hat.com>
To: netdev@...r.kernel.org
Cc: Marc Dionne <marc.dionne@...istor.com>,
linux-afs@...ts.infradead.org, dhowells@...hat.com,
linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next 05/13] rxrpc: Remove the [_k]net() debugging macros
Remove the _net() and knet() debugging macros in favour of tracepoints.
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Marc Dionne <marc.dionne@...istor.com>
cc: linux-afs@...ts.infradead.org
---
net/rxrpc/ar-internal.h | 10 ----------
net/rxrpc/call_object.c | 6 ------
net/rxrpc/conn_client.c | 2 --
net/rxrpc/conn_object.c | 2 --
net/rxrpc/conn_service.c | 2 --
net/rxrpc/input.c | 1 -
net/rxrpc/local_object.c | 8 --------
net/rxrpc/peer_event.c | 48 ++--------------------------------------------
net/rxrpc/peer_object.c | 6 +-----
9 files changed, 3 insertions(+), 82 deletions(-)
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index a3a29390e12b..36ece1efb1d4 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -1190,20 +1190,17 @@ extern unsigned int rxrpc_debug;
#define kenter(FMT,...) dbgprintk("==> %s("FMT")",__func__ ,##__VA_ARGS__)
#define kleave(FMT,...) dbgprintk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
#define kdebug(FMT,...) dbgprintk(" "FMT ,##__VA_ARGS__)
-#define knet(FMT,...) dbgprintk("@@@ "FMT ,##__VA_ARGS__)
#if defined(__KDEBUG)
#define _enter(FMT,...) kenter(FMT,##__VA_ARGS__)
#define _leave(FMT,...) kleave(FMT,##__VA_ARGS__)
#define _debug(FMT,...) kdebug(FMT,##__VA_ARGS__)
-#define _net(FMT,...) knet(FMT,##__VA_ARGS__)
#elif defined(CONFIG_AF_RXRPC_DEBUG)
#define RXRPC_DEBUG_KENTER 0x01
#define RXRPC_DEBUG_KLEAVE 0x02
#define RXRPC_DEBUG_KDEBUG 0x04
-#define RXRPC_DEBUG_KNET 0x10
#define _enter(FMT,...) \
do { \
@@ -1223,17 +1220,10 @@ do { \
kdebug(FMT,##__VA_ARGS__); \
} while (0)
-#define _net(FMT,...) \
-do { \
- if (unlikely(rxrpc_debug & RXRPC_DEBUG_KNET)) \
- knet(FMT,##__VA_ARGS__); \
-} while (0)
-
#else
#define _enter(FMT,...) no_printk("==> %s("FMT")",__func__ ,##__VA_ARGS__)
#define _leave(FMT,...) no_printk("<== %s()"FMT"",__func__ ,##__VA_ARGS__)
#define _debug(FMT,...) no_printk(" "FMT ,##__VA_ARGS__)
-#define _net(FMT,...) no_printk("@@@ "FMT ,##__VA_ARGS__)
#endif
/*
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 1befe22cd301..e36a317b2e9a 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -349,8 +349,6 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
rxrpc_start_call_timer(call);
- _net("CALL new %d on CONN %d", call->debug_id, call->conn->debug_id);
-
_leave(" = %p [new]", call);
return call;
@@ -423,8 +421,6 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
hlist_add_head_rcu(&call->error_link, &conn->params.peer->error_targets);
spin_unlock(&conn->params.peer->lock);
- _net("CALL incoming %d on CONN %d", call->debug_id, call->conn->debug_id);
-
rxrpc_start_call_timer(call);
_leave("");
}
@@ -669,8 +665,6 @@ void rxrpc_cleanup_call(struct rxrpc_call *call)
{
struct rxrpc_txbuf *txb;
- _net("DESTROY CALL %d", call->debug_id);
-
memset(&call->sock_node, 0xcd, sizeof(call->sock_node));
ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index f11c97e28d2a..2b76fbffd4dd 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -541,8 +541,6 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn,
call->service_id = conn->service_id;
trace_rxrpc_connect_call(call);
- _net("CONNECT call %08x:%08x as call %d on conn %d",
- call->cid, call->call_id, call->debug_id, conn->debug_id);
write_lock_bh(&call->state_lock);
call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index 156bd26daf74..d5d15389406f 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -356,8 +356,6 @@ static void rxrpc_destroy_connection(struct rcu_head *rcu)
ASSERTCMP(refcount_read(&conn->ref), ==, 0);
- _net("DESTROY CONN %d", conn->debug_id);
-
del_timer_sync(&conn->timer);
rxrpc_purge_queue(&conn->rx_queue);
diff --git a/net/rxrpc/conn_service.c b/net/rxrpc/conn_service.c
index 6e6aa02c6f9e..75f903099eb0 100644
--- a/net/rxrpc/conn_service.c
+++ b/net/rxrpc/conn_service.c
@@ -184,8 +184,6 @@ void rxrpc_new_incoming_connection(struct rxrpc_sock *rx,
/* Make the connection a target for incoming packets. */
rxrpc_publish_service_conn(conn->params.peer, conn);
-
- _net("CONNECTION new %d {%x}", conn->debug_id, conn->proto.cid);
}
/*
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 646ee61af40e..e2461f29d765 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -725,7 +725,6 @@ static void rxrpc_input_ackinfo(struct rxrpc_call *call, struct sk_buff *skb,
peer->maxdata = mtu;
peer->mtu = mtu + peer->hdrsize;
spin_unlock_bh(&peer->lock);
- _net("Net MTU %u (maxdata %u)", peer->mtu, peer->maxdata);
}
if (wake)
diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index a943fdf91e24..11080c335d42 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -198,7 +198,6 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,
struct rxrpc_local *local;
struct rxrpc_net *rxnet = rxrpc_net(net);
struct hlist_node *cursor;
- const char *age;
long diff;
int ret;
@@ -232,7 +231,6 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,
if (!rxrpc_use_local(local))
break;
- age = "old";
goto found;
}
@@ -250,14 +248,9 @@ struct rxrpc_local *rxrpc_lookup_local(struct net *net,
} else {
hlist_add_head_rcu(&local->link, &rxnet->local_endpoints);
}
- age = "new";
found:
mutex_unlock(&rxnet->local_mutex);
-
- _net("LOCAL %s %d {%pISp}",
- age, local->debug_id, &local->srx.transport);
-
_leave(" = %p", local);
return local;
@@ -467,7 +460,6 @@ static void rxrpc_local_rcu(struct rcu_head *rcu)
ASSERT(!work_pending(&local->processor));
- _net("DESTROY LOCAL %d", local->debug_id);
kfree(local);
_leave("");
}
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index be781c156e89..ad4d1769e02b 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -48,13 +48,11 @@ static struct rxrpc_peer *rxrpc_lookup_peer_local_rcu(struct rxrpc_local *local,
srx->transport.sin.sin_port = serr->port;
switch (serr->ee.ee_origin) {
case SO_EE_ORIGIN_ICMP:
- _net("Rx ICMP");
memcpy(&srx->transport.sin.sin_addr,
skb_network_header(skb) + serr->addr_offset,
sizeof(struct in_addr));
break;
case SO_EE_ORIGIN_ICMP6:
- _net("Rx ICMP6 on v4 sock");
memcpy(&srx->transport.sin.sin_addr,
skb_network_header(skb) + serr->addr_offset + 12,
sizeof(struct in_addr));
@@ -70,14 +68,12 @@ static struct rxrpc_peer *rxrpc_lookup_peer_local_rcu(struct rxrpc_local *local,
case AF_INET6:
switch (serr->ee.ee_origin) {
case SO_EE_ORIGIN_ICMP6:
- _net("Rx ICMP6");
srx->transport.sin6.sin6_port = serr->port;
memcpy(&srx->transport.sin6.sin6_addr,
skb_network_header(skb) + serr->addr_offset,
sizeof(struct in6_addr));
break;
case SO_EE_ORIGIN_ICMP:
- _net("Rx ICMP on v6 sock");
srx->transport_len = sizeof(srx->transport.sin);
srx->transport.family = AF_INET;
srx->transport.sin.sin_port = serr->port;
@@ -106,13 +102,9 @@ static struct rxrpc_peer *rxrpc_lookup_peer_local_rcu(struct rxrpc_local *local,
*/
static void rxrpc_adjust_mtu(struct rxrpc_peer *peer, unsigned int mtu)
{
- _net("Rx ICMP Fragmentation Needed (%d)", mtu);
-
/* wind down the local interface MTU */
- if (mtu > 0 && peer->if_mtu == 65535 && mtu < peer->if_mtu) {
+ if (mtu > 0 && peer->if_mtu == 65535 && mtu < peer->if_mtu)
peer->if_mtu = mtu;
- _net("I/F MTU %u", mtu);
- }
if (mtu == 0) {
/* they didn't give us a size, estimate one */
@@ -133,8 +125,6 @@ static void rxrpc_adjust_mtu(struct rxrpc_peer *peer, unsigned int mtu)
peer->mtu = mtu;
peer->maxdata = peer->mtu - peer->hdrsize;
spin_unlock_bh(&peer->lock);
- _net("Net MTU %u (maxdata %u)",
- peer->mtu, peer->maxdata);
}
}
@@ -222,41 +212,6 @@ static void rxrpc_store_error(struct rxrpc_peer *peer,
err = ee->ee_errno;
switch (ee->ee_origin) {
- case SO_EE_ORIGIN_ICMP:
- switch (ee->ee_type) {
- case ICMP_DEST_UNREACH:
- switch (ee->ee_code) {
- case ICMP_NET_UNREACH:
- _net("Rx Received ICMP Network Unreachable");
- break;
- case ICMP_HOST_UNREACH:
- _net("Rx Received ICMP Host Unreachable");
- break;
- case ICMP_PORT_UNREACH:
- _net("Rx Received ICMP Port Unreachable");
- break;
- case ICMP_NET_UNKNOWN:
- _net("Rx Received ICMP Unknown Network");
- break;
- case ICMP_HOST_UNKNOWN:
- _net("Rx Received ICMP Unknown Host");
- break;
- default:
- _net("Rx Received ICMP DestUnreach code=%u",
- ee->ee_code);
- break;
- }
- break;
-
- case ICMP_TIME_EXCEEDED:
- _net("Rx Received ICMP TTL Exceeded");
- break;
-
- default:
- break;
- }
- break;
-
case SO_EE_ORIGIN_NONE:
case SO_EE_ORIGIN_LOCAL:
compl = RXRPC_CALL_LOCAL_ERROR;
@@ -266,6 +221,7 @@ static void rxrpc_store_error(struct rxrpc_peer *peer,
if (err == EACCES)
err = EHOSTUNREACH;
fallthrough;
+ case SO_EE_ORIGIN_ICMP:
default:
break;
}
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 041a51225c5f..b3c3c1c344fc 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -138,10 +138,8 @@ struct rxrpc_peer *rxrpc_lookup_peer_rcu(struct rxrpc_local *local,
unsigned long hash_key = rxrpc_peer_hash_key(local, srx);
peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key);
- if (peer) {
- _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport);
+ if (peer)
_leave(" = %p {u=%d}", peer, refcount_read(&peer->ref));
- }
return peer;
}
@@ -371,8 +369,6 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
peer = candidate;
}
- _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport);
-
_leave(" = %p {u=%d}", peer, refcount_read(&peer->ref));
return peer;
}
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