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Diffstat (limited to 'net/rxrpc/peer_object.c')
-rw-r--r--net/rxrpc/peer_object.c59
1 files changed, 24 insertions, 35 deletions
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 26d2ae9baaf2..608946dcc505 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;
}
@@ -207,9 +205,9 @@ static void rxrpc_assess_MTU_size(struct rxrpc_sock *rx,
/*
* Allocate a peer.
*/
-struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
+struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp,
+ enum rxrpc_peer_trace why)
{
- const void *here = __builtin_return_address(0);
struct rxrpc_peer *peer;
_enter("");
@@ -217,7 +215,7 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
peer = kzalloc(sizeof(struct rxrpc_peer), gfp);
if (peer) {
refcount_set(&peer->ref, 1);
- peer->local = rxrpc_get_local(local);
+ peer->local = rxrpc_get_local(local, rxrpc_local_get_peer);
INIT_HLIST_HEAD(&peer->error_targets);
peer->service_conns = RB_ROOT;
seqlock_init(&peer->service_conn_lock);
@@ -227,13 +225,8 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
rxrpc_peer_init_rtt(peer);
- if (RXRPC_TX_SMSS > 2190)
- peer->cong_cwnd = 2;
- else if (RXRPC_TX_SMSS > 1095)
- peer->cong_cwnd = 3;
- else
- peer->cong_cwnd = 4;
- trace_rxrpc_peer(peer->debug_id, rxrpc_peer_new, 1, here);
+ peer->cong_ssthresh = RXRPC_TX_MAX_WINDOW;
+ trace_rxrpc_peer(peer->debug_id, why, 1);
}
_leave(" = %p", peer);
@@ -289,7 +282,7 @@ static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_sock *rx,
_enter("");
- peer = rxrpc_alloc_peer(local, gfp);
+ peer = rxrpc_alloc_peer(local, gfp, rxrpc_peer_new_client);
if (peer) {
memcpy(&peer->srx, srx, sizeof(*srx));
rxrpc_init_peer(rx, peer, hash_key);
@@ -301,7 +294,8 @@ static struct rxrpc_peer *rxrpc_create_peer(struct rxrpc_sock *rx,
static void rxrpc_free_peer(struct rxrpc_peer *peer)
{
- rxrpc_put_local(peer->local);
+ trace_rxrpc_peer(peer->debug_id, 0, rxrpc_peer_free);
+ rxrpc_put_local(peer->local, rxrpc_local_put_peer);
kfree_rcu(peer, rcu);
}
@@ -341,7 +335,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
/* search the peer list first */
rcu_read_lock();
peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key);
- if (peer && !rxrpc_get_peer_maybe(peer))
+ if (peer && !rxrpc_get_peer_maybe(peer, rxrpc_peer_get_lookup_client))
peer = NULL;
rcu_read_unlock();
@@ -355,11 +349,11 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
return NULL;
}
- spin_lock_bh(&rxnet->peer_hash_lock);
+ spin_lock(&rxnet->peer_hash_lock);
/* Need to check that we aren't racing with someone else */
peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key);
- if (peer && !rxrpc_get_peer_maybe(peer))
+ if (peer && !rxrpc_get_peer_maybe(peer, rxrpc_peer_get_lookup_client))
peer = NULL;
if (!peer) {
hash_add_rcu(rxnet->peer_hash,
@@ -368,7 +362,7 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
&rxnet->peer_keepalive_new);
}
- spin_unlock_bh(&rxnet->peer_hash_lock);
+ spin_unlock(&rxnet->peer_hash_lock);
if (peer)
rxrpc_free_peer(candidate);
@@ -376,8 +370,6 @@ 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;
}
@@ -385,27 +377,26 @@ struct rxrpc_peer *rxrpc_lookup_peer(struct rxrpc_sock *rx,
/*
* Get a ref on a peer record.
*/
-struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer)
+struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer, enum rxrpc_peer_trace why)
{
- const void *here = __builtin_return_address(0);
int r;
__refcount_inc(&peer->ref, &r);
- trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, r + 1, here);
+ trace_rxrpc_peer(peer->debug_id, why, r + 1);
return peer;
}
/*
* Get a ref on a peer record unless its usage has already reached 0.
*/
-struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer)
+struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer,
+ enum rxrpc_peer_trace why)
{
- const void *here = __builtin_return_address(0);
int r;
if (peer) {
if (__refcount_inc_not_zero(&peer->ref, &r))
- trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, r + 1, here);
+ trace_rxrpc_peer(peer->debug_id, r + 1, why);
else
peer = NULL;
}
@@ -421,10 +412,10 @@ static void __rxrpc_put_peer(struct rxrpc_peer *peer)
ASSERT(hlist_empty(&peer->error_targets));
- spin_lock_bh(&rxnet->peer_hash_lock);
+ spin_lock(&rxnet->peer_hash_lock);
hash_del_rcu(&peer->hash_link);
list_del_init(&peer->keepalive_link);
- spin_unlock_bh(&rxnet->peer_hash_lock);
+ spin_unlock(&rxnet->peer_hash_lock);
rxrpc_free_peer(peer);
}
@@ -432,9 +423,8 @@ static void __rxrpc_put_peer(struct rxrpc_peer *peer)
/*
* Drop a ref on a peer record.
*/
-void rxrpc_put_peer(struct rxrpc_peer *peer)
+void rxrpc_put_peer(struct rxrpc_peer *peer, enum rxrpc_peer_trace why)
{
- const void *here = __builtin_return_address(0);
unsigned int debug_id;
bool dead;
int r;
@@ -442,7 +432,7 @@ void rxrpc_put_peer(struct rxrpc_peer *peer)
if (peer) {
debug_id = peer->debug_id;
dead = __refcount_dec_and_test(&peer->ref, &r);
- trace_rxrpc_peer(debug_id, rxrpc_peer_put, r - 1, here);
+ trace_rxrpc_peer(debug_id, r - 1, why);
if (dead)
__rxrpc_put_peer(peer);
}
@@ -452,15 +442,14 @@ void rxrpc_put_peer(struct rxrpc_peer *peer)
* Drop a ref on a peer record where the caller already holds the
* peer_hash_lock.
*/
-void rxrpc_put_peer_locked(struct rxrpc_peer *peer)
+void rxrpc_put_peer_locked(struct rxrpc_peer *peer, enum rxrpc_peer_trace why)
{
- const void *here = __builtin_return_address(0);
unsigned int debug_id = peer->debug_id;
bool dead;
int r;
dead = __refcount_dec_and_test(&peer->ref, &r);
- trace_rxrpc_peer(debug_id, rxrpc_peer_put, r - 1, here);
+ trace_rxrpc_peer(debug_id, r - 1, why);
if (dead) {
hash_del_rcu(&peer->hash_link);
list_del_init(&peer->keepalive_link);
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-07 23:50:44 +0300