Lines Matching refs:peer
76 static long rxrpc_peer_cmp_key(const struct rxrpc_peer *peer, in rxrpc_peer_cmp_key() argument
83 diff = ((peer->hash_key - hash_key) ?: in rxrpc_peer_cmp_key()
84 ((unsigned long)peer->local - (unsigned long)local) ?: in rxrpc_peer_cmp_key()
85 (peer->srx.transport_type - srx->transport_type) ?: in rxrpc_peer_cmp_key()
86 (peer->srx.transport_len - srx->transport_len) ?: in rxrpc_peer_cmp_key()
87 (peer->srx.transport.family - srx->transport.family)); in rxrpc_peer_cmp_key()
93 return ((u16 __force)peer->srx.transport.sin.sin_port - in rxrpc_peer_cmp_key()
95 memcmp(&peer->srx.transport.sin.sin_addr, in rxrpc_peer_cmp_key()
100 return ((u16 __force)peer->srx.transport.sin6.sin6_port - in rxrpc_peer_cmp_key()
102 memcmp(&peer->srx.transport.sin6.sin6_addr, in rxrpc_peer_cmp_key()
119 struct rxrpc_peer *peer; in __rxrpc_lookup_peer_rcu() local
122 hash_for_each_possible_rcu(rxnet->peer_hash, peer, hash_link, hash_key) { in __rxrpc_lookup_peer_rcu()
123 if (rxrpc_peer_cmp_key(peer, local, srx, hash_key) == 0 && in __rxrpc_lookup_peer_rcu()
124 refcount_read(&peer->ref) > 0) in __rxrpc_lookup_peer_rcu()
125 return peer; in __rxrpc_lookup_peer_rcu()
137 struct rxrpc_peer *peer; in rxrpc_lookup_peer_rcu() local
140 peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); in rxrpc_lookup_peer_rcu()
141 if (peer) { in rxrpc_lookup_peer_rcu()
142 _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport); in rxrpc_lookup_peer_rcu()
143 _leave(" = %p {u=%d}", peer, refcount_read(&peer->ref)); in rxrpc_lookup_peer_rcu()
145 return peer; in rxrpc_lookup_peer_rcu()
153 struct rxrpc_peer *peer) in rxrpc_assess_MTU_size() argument
164 peer->if_mtu = 1500; in rxrpc_assess_MTU_size()
167 switch (peer->srx.transport.family) { in rxrpc_assess_MTU_size()
171 peer->srx.transport.sin.sin_addr.s_addr, 0, in rxrpc_assess_MTU_size()
185 memcpy(&fl6->daddr, &peer->srx.transport.sin6.sin6_addr, in rxrpc_assess_MTU_size()
201 peer->if_mtu = dst_mtu(dst); in rxrpc_assess_MTU_size()
204 _leave(" [if_mtu %u]", peer->if_mtu); in rxrpc_assess_MTU_size()
213 struct rxrpc_peer *peer; in rxrpc_alloc_peer() local
217 peer = kzalloc(sizeof(struct rxrpc_peer), gfp); in rxrpc_alloc_peer()
218 if (peer) { in rxrpc_alloc_peer()
219 refcount_set(&peer->ref, 1); in rxrpc_alloc_peer()
220 peer->local = rxrpc_get_local(local); in rxrpc_alloc_peer()
221 INIT_HLIST_HEAD(&peer->error_targets); in rxrpc_alloc_peer()
222 peer->service_conns = RB_ROOT; in rxrpc_alloc_peer()
223 seqlock_init(&peer->service_conn_lock); in rxrpc_alloc_peer()
224 spin_lock_init(&peer->lock); in rxrpc_alloc_peer()
225 spin_lock_init(&peer->rtt_input_lock); in rxrpc_alloc_peer()
226 peer->debug_id = atomic_inc_return(&rxrpc_debug_id); in rxrpc_alloc_peer()
228 rxrpc_peer_init_rtt(peer); in rxrpc_alloc_peer()
231 peer->cong_cwnd = 2; in rxrpc_alloc_peer()
233 peer->cong_cwnd = 3; in rxrpc_alloc_peer()
235 peer->cong_cwnd = 4; in rxrpc_alloc_peer()
236 trace_rxrpc_peer(peer->debug_id, rxrpc_peer_new, 1, here); 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()
302 static void rxrpc_free_peer(struct rxrpc_peer *peer) in rxrpc_free_peer() argument
304 rxrpc_put_local(peer->local); in rxrpc_free_peer()
305 kfree_rcu(peer, rcu); in rxrpc_free_peer()
314 struct rxrpc_peer *peer) in rxrpc_new_incoming_peer() argument
319 hash_key = rxrpc_peer_hash_key(local, &peer->srx); in rxrpc_new_incoming_peer()
320 rxrpc_init_peer(rx, peer, hash_key); in rxrpc_new_incoming_peer()
323 hash_add_rcu(rxnet->peer_hash, &peer->hash_link, hash_key); in rxrpc_new_incoming_peer()
324 list_add_tail(&peer->keepalive_link, &rxnet->peer_keepalive_new); in rxrpc_new_incoming_peer()
335 struct rxrpc_peer *peer, *candidate; in rxrpc_lookup_peer() local
343 peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); in rxrpc_lookup_peer()
344 if (peer && !rxrpc_get_peer_maybe(peer)) in rxrpc_lookup_peer()
345 peer = NULL; in rxrpc_lookup_peer()
348 if (!peer) { in rxrpc_lookup_peer()
361 peer = __rxrpc_lookup_peer_rcu(local, srx, hash_key); in rxrpc_lookup_peer()
362 if (peer && !rxrpc_get_peer_maybe(peer)) in rxrpc_lookup_peer()
363 peer = NULL; in rxrpc_lookup_peer()
364 if (!peer) { in rxrpc_lookup_peer()
373 if (peer) in rxrpc_lookup_peer()
376 peer = candidate; in rxrpc_lookup_peer()
379 _net("PEER %d {%pISp}", peer->debug_id, &peer->srx.transport); in rxrpc_lookup_peer()
381 _leave(" = %p {u=%d}", peer, refcount_read(&peer->ref)); in rxrpc_lookup_peer()
382 return peer; in rxrpc_lookup_peer()
388 struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer) in rxrpc_get_peer() argument
393 __refcount_inc(&peer->ref, &r); in rxrpc_get_peer()
394 trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, r + 1, here); in rxrpc_get_peer()
395 return peer; in rxrpc_get_peer()
401 struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer) in rxrpc_get_peer_maybe() argument
406 if (peer) { in rxrpc_get_peer_maybe()
407 if (__refcount_inc_not_zero(&peer->ref, &r)) in rxrpc_get_peer_maybe()
408 trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, r + 1, here); in rxrpc_get_peer_maybe()
410 peer = NULL; in rxrpc_get_peer_maybe()
412 return peer; in rxrpc_get_peer_maybe()
418 static void __rxrpc_put_peer(struct rxrpc_peer *peer) in __rxrpc_put_peer() argument
420 struct rxrpc_net *rxnet = peer->local->rxnet; in __rxrpc_put_peer()
422 ASSERT(hlist_empty(&peer->error_targets)); in __rxrpc_put_peer()
425 hash_del_rcu(&peer->hash_link); in __rxrpc_put_peer()
426 list_del_init(&peer->keepalive_link); in __rxrpc_put_peer()
429 rxrpc_free_peer(peer); in __rxrpc_put_peer()
435 void rxrpc_put_peer(struct rxrpc_peer *peer) in rxrpc_put_peer() argument
442 if (peer) { in rxrpc_put_peer()
443 debug_id = peer->debug_id; in rxrpc_put_peer()
444 dead = __refcount_dec_and_test(&peer->ref, &r); in rxrpc_put_peer()
447 __rxrpc_put_peer(peer); in rxrpc_put_peer()
455 void rxrpc_put_peer_locked(struct rxrpc_peer *peer) in rxrpc_put_peer_locked() argument
458 unsigned int debug_id = peer->debug_id; in rxrpc_put_peer_locked()
462 dead = __refcount_dec_and_test(&peer->ref, &r); in rxrpc_put_peer_locked()
465 hash_del_rcu(&peer->hash_link); in rxrpc_put_peer_locked()
466 list_del_init(&peer->keepalive_link); in rxrpc_put_peer_locked()
467 rxrpc_free_peer(peer); in rxrpc_put_peer_locked()
476 struct rxrpc_peer *peer; in rxrpc_destroy_all_peers() local
483 hlist_for_each_entry(peer, &rxnet->peer_hash[i], hash_link) { in rxrpc_destroy_all_peers()
485 peer->debug_id, in rxrpc_destroy_all_peers()
486 refcount_read(&peer->ref), in rxrpc_destroy_all_peers()
487 &peer->srx.transport); in rxrpc_destroy_all_peers()
503 *_srx = call->peer->srx; in rxrpc_kernel_get_peer()
518 struct rxrpc_peer *peer = call->peer; in rxrpc_kernel_get_srtt() local
520 if (peer->rtt_count == 0) { in rxrpc_kernel_get_srtt()
525 *_srtt = call->peer->srtt_us >> 3; in rxrpc_kernel_get_srtt()