Lines Matching refs:peer
80 static long rxrpc_peer_cmp_key(const struct rxrpc_peer *peer, in rxrpc_peer_cmp_key() argument
87 diff = ((peer->hash_key - hash_key) ?: in rxrpc_peer_cmp_key()
88 ((unsigned long)peer->local - (unsigned long)local) ?: in rxrpc_peer_cmp_key()
89 (peer->srx.transport_type - srx->transport_type) ?: in rxrpc_peer_cmp_key()
90 (peer->srx.transport_len - srx->transport_len) ?: in rxrpc_peer_cmp_key()
91 (peer->srx.transport.family - srx->transport.family)); in rxrpc_peer_cmp_key()
97 return ((u16 __force)peer->srx.transport.sin.sin_port - in rxrpc_peer_cmp_key()
99 memcmp(&peer->srx.transport.sin.sin_addr, in rxrpc_peer_cmp_key()
104 return ((u16 __force)peer->srx.transport.sin6.sin6_port - in rxrpc_peer_cmp_key()
106 memcmp(&peer->srx.transport.sin6.sin6_addr, in rxrpc_peer_cmp_key()
123 struct rxrpc_peer *peer; in __rxrpc_lookup_peer_rcu() local
126 hash_for_each_possible_rcu(rxnet->peer_hash, peer, hash_link, hash_key) { in __rxrpc_lookup_peer_rcu()
127 if (rxrpc_peer_cmp_key(peer, local, srx, hash_key) == 0 && in __rxrpc_lookup_peer_rcu()
128 atomic_read(&peer->usage) > 0) in __rxrpc_lookup_peer_rcu()
129 return peer; in __rxrpc_lookup_peer_rcu()
141 struct rxrpc_peer *peer; in rxrpc_lookup_peer_rcu() local
144 peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); in rxrpc_lookup_peer_rcu()
145 if (peer) { in rxrpc_lookup_peer_rcu()
146 _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport); in rxrpc_lookup_peer_rcu()
147 _leave(" = %p {u=%d}", peer, atomic_read(&peer->usage)); in rxrpc_lookup_peer_rcu()
149 return peer; in rxrpc_lookup_peer_rcu()
157 struct rxrpc_peer *peer) in rxrpc_assess_MTU_size() argument
168 peer->if_mtu = 1500; in rxrpc_assess_MTU_size()
171 switch (peer->srx.transport.family) { in rxrpc_assess_MTU_size()
175 peer->srx.transport.sin.sin_addr.s_addr, 0, in rxrpc_assess_MTU_size()
189 memcpy(&fl6->daddr, &peer->srx.transport.sin6.sin6_addr, in rxrpc_assess_MTU_size()
205 peer->if_mtu = dst_mtu(dst); in rxrpc_assess_MTU_size()
208 _leave(" [if_mtu %u]", peer->if_mtu); in rxrpc_assess_MTU_size()
216 struct rxrpc_peer *peer; in rxrpc_alloc_peer() local
220 peer = kzalloc(sizeof(struct rxrpc_peer), gfp); in rxrpc_alloc_peer()
221 if (peer) { in rxrpc_alloc_peer()
222 atomic_set(&peer->usage, 1); in rxrpc_alloc_peer()
223 peer->local = local; in rxrpc_alloc_peer()
224 INIT_HLIST_HEAD(&peer->error_targets); in rxrpc_alloc_peer()
225 peer->service_conns = RB_ROOT; in rxrpc_alloc_peer()
226 seqlock_init(&peer->service_conn_lock); in rxrpc_alloc_peer()
227 spin_lock_init(&peer->lock); in rxrpc_alloc_peer()
228 spin_lock_init(&peer->rtt_input_lock); in rxrpc_alloc_peer()
229 peer->debug_id = atomic_inc_return(&rxrpc_debug_id); in rxrpc_alloc_peer()
232 peer->cong_cwnd = 2; in rxrpc_alloc_peer()
234 peer->cong_cwnd = 3; in rxrpc_alloc_peer()
236 peer->cong_cwnd = 4; in rxrpc_alloc_peer()
239 _leave(" = %p", peer); in rxrpc_alloc_peer()
240 return peer; in rxrpc_alloc_peer()
246 static void rxrpc_init_peer(struct rxrpc_sock *rx, struct rxrpc_peer *peer, in rxrpc_init_peer() argument
249 peer->hash_key = hash_key; in rxrpc_init_peer()
250 rxrpc_assess_MTU_size(rx, peer); in rxrpc_init_peer()
251 peer->mtu = peer->if_mtu; in rxrpc_init_peer()
252 peer->rtt_last_req = ktime_get_real(); in rxrpc_init_peer()
254 switch (peer->srx.transport.family) { in rxrpc_init_peer()
256 peer->hdrsize = sizeof(struct iphdr); in rxrpc_init_peer()
260 peer->hdrsize = sizeof(struct ipv6hdr); in rxrpc_init_peer()
267 switch (peer->srx.transport_type) { in rxrpc_init_peer()
269 peer->hdrsize += sizeof(struct udphdr); in rxrpc_init_peer()
275 peer->hdrsize += sizeof(struct rxrpc_wire_header); in rxrpc_init_peer()
276 peer->maxdata = peer->mtu - peer->hdrsize; in rxrpc_init_peer()
288 struct rxrpc_peer *peer; in rxrpc_create_peer() local
292 peer = rxrpc_alloc_peer(local, gfp); in rxrpc_create_peer()
293 if (peer) { in rxrpc_create_peer()
294 memcpy(&peer->srx, srx, sizeof(*srx)); in rxrpc_create_peer()
295 rxrpc_init_peer(rx, peer, hash_key); in rxrpc_create_peer()
298 _leave(" = %p", peer); in rxrpc_create_peer()
299 return peer; in rxrpc_create_peer()
308 struct rxrpc_peer *peer) in rxrpc_new_incoming_peer() argument
313 hash_key = rxrpc_peer_hash_key(local, &peer->srx); in rxrpc_new_incoming_peer()
314 peer->local = local; in rxrpc_new_incoming_peer()
315 rxrpc_init_peer(rx, peer, hash_key); in rxrpc_new_incoming_peer()
318 hash_add_rcu(rxnet->peer_hash, &peer->hash_link, hash_key); in rxrpc_new_incoming_peer()
319 list_add_tail(&peer->keepalive_link, &rxnet->peer_keepalive_new); in rxrpc_new_incoming_peer()
330 struct rxrpc_peer *peer, *candidate; in rxrpc_lookup_peer() local
338 peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); in rxrpc_lookup_peer()
339 if (peer && !rxrpc_get_peer_maybe(peer)) in rxrpc_lookup_peer()
340 peer = NULL; in rxrpc_lookup_peer()
343 if (!peer) { in rxrpc_lookup_peer()
356 peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); in rxrpc_lookup_peer()
357 if (peer && !rxrpc_get_peer_maybe(peer)) in rxrpc_lookup_peer()
358 peer = NULL; in rxrpc_lookup_peer()
359 if (!peer) { in rxrpc_lookup_peer()
368 if (peer) in rxrpc_lookup_peer()
371 peer = candidate; in rxrpc_lookup_peer()
374 _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport); in rxrpc_lookup_peer()
376 _leave(" = %p {u=%d}", peer, atomic_read(&peer->usage)); in rxrpc_lookup_peer()
377 return peer; in rxrpc_lookup_peer()
383 struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer) in rxrpc_get_peer() argument
388 n = atomic_inc_return(&peer->usage); in rxrpc_get_peer()
389 trace_rxrpc_peer(peer, rxrpc_peer_got, n, here); in rxrpc_get_peer()
390 return peer; in rxrpc_get_peer()
396 struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer) in rxrpc_get_peer_maybe() argument
400 if (peer) { in rxrpc_get_peer_maybe()
401 int n = atomic_fetch_add_unless(&peer->usage, 1, 0); in rxrpc_get_peer_maybe()
403 trace_rxrpc_peer(peer, rxrpc_peer_got, n + 1, here); in rxrpc_get_peer_maybe()
405 peer = NULL; in rxrpc_get_peer_maybe()
407 return peer; in rxrpc_get_peer_maybe()
413 static void __rxrpc_put_peer(struct rxrpc_peer *peer) in __rxrpc_put_peer() argument
415 struct rxrpc_net *rxnet = peer->local->rxnet; in __rxrpc_put_peer()
417 ASSERT(hlist_empty(&peer->error_targets)); in __rxrpc_put_peer()
420 hash_del_rcu(&peer->hash_link); in __rxrpc_put_peer()
421 list_del_init(&peer->keepalive_link); in __rxrpc_put_peer()
424 kfree_rcu(peer, rcu); in __rxrpc_put_peer()
430 void rxrpc_put_peer(struct rxrpc_peer *peer) in rxrpc_put_peer() argument
435 if (peer) { in rxrpc_put_peer()
436 n = atomic_dec_return(&peer->usage); in rxrpc_put_peer()
437 trace_rxrpc_peer(peer, rxrpc_peer_put, n, here); in rxrpc_put_peer()
439 __rxrpc_put_peer(peer); in rxrpc_put_peer()
448 struct rxrpc_peer *peer; in rxrpc_destroy_all_peers() local
455 hlist_for_each_entry(peer, &rxnet->peer_hash[i], hash_link) { in rxrpc_destroy_all_peers()
457 peer->debug_id, in rxrpc_destroy_all_peers()
458 atomic_read(&peer->usage), in rxrpc_destroy_all_peers()
459 &peer->srx.transport); in rxrpc_destroy_all_peers()
475 *_srx = call->peer->srx; in rxrpc_kernel_get_peer()
488 return call->peer->rtt; in rxrpc_kernel_get_rtt()