2 * net/tipc/port.c: TIPC port code
4 * Copyright (c) 1992-2007, 2014, Ericsson AB
5 * Copyright (c) 2004-2008, 2010-2013, Wind River Systems
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40 #include "name_table.h"
43 #define MAX_REJECT_SIZE 1024
46 * tipc_port_peer_msg - verify message was sent by connected port's peer
48 * Handles cases where the node's network address has changed from
49 * the default of <0.0.0> to its configured setting.
51 int tipc_port_peer_msg(struct tipc_port *p_ptr, struct tipc_msg *msg)
56 if (msg_origport(msg) != tipc_port_peerport(p_ptr))
59 orignode = msg_orignode(msg);
60 peernode = tipc_port_peernode(p_ptr);
61 return (orignode == peernode) ||
62 (!orignode && (peernode == tipc_own_addr)) ||
63 (!peernode && (orignode == tipc_own_addr));
66 int tipc_publish(struct tipc_port *p_ptr, unsigned int scope,
67 struct tipc_name_seq const *seq)
69 struct publication *publ;
74 key = p_ptr->ref + p_ptr->pub_count + 1;
75 if (key == p_ptr->ref)
78 publ = tipc_nametbl_publish(seq->type, seq->lower, seq->upper,
79 scope, p_ptr->ref, key);
81 list_add(&publ->pport_list, &p_ptr->publications);
89 int tipc_withdraw(struct tipc_port *p_ptr, unsigned int scope,
90 struct tipc_name_seq const *seq)
92 struct publication *publ;
93 struct publication *tpubl;
97 list_for_each_entry_safe(publ, tpubl,
98 &p_ptr->publications, pport_list) {
99 tipc_nametbl_withdraw(publ->type, publ->lower,
100 publ->ref, publ->key);
104 list_for_each_entry_safe(publ, tpubl,
105 &p_ptr->publications, pport_list) {
106 if (publ->scope != scope)
108 if (publ->type != seq->type)
110 if (publ->lower != seq->lower)
112 if (publ->upper != seq->upper)
114 tipc_nametbl_withdraw(publ->type, publ->lower,
115 publ->ref, publ->key);
120 if (list_empty(&p_ptr->publications))
121 p_ptr->published = 0;