diff options
Diffstat (limited to 'net/tipc/bearer.c')
-rw-r--r-- | net/tipc/bearer.c | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 02b6cf6ab7a4..64dcb0f3a8b2 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -48,7 +48,7 @@ static struct media *media_list = 0; static u32 media_count = 0; -struct bearer *bearers = 0; +struct bearer *tipc_bearers = 0; /** * media_name_valid - validate media name @@ -107,7 +107,7 @@ int tipc_register_media(u32 media_type, u32 i; int res = -EINVAL; - write_lock_bh(&net_lock); + write_lock_bh(&tipc_net_lock); if (!media_list) goto exit; @@ -165,15 +165,15 @@ int tipc_register_media(u32 media_type, dbg("Media <%s> registered\n", name); res = 0; exit: - write_unlock_bh(&net_lock); + write_unlock_bh(&tipc_net_lock); return res; } /** - * media_addr_printf - record media address in print buffer + * tipc_media_addr_printf - record media address in print buffer */ -void media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a) +void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a) { struct media *m_ptr; u32 media_type; @@ -201,25 +201,25 @@ void media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a) } /** - * media_get_names - record names of registered media in buffer + * tipc_media_get_names - record names of registered media in buffer */ -struct sk_buff *media_get_names(void) +struct sk_buff *tipc_media_get_names(void) { struct sk_buff *buf; struct media *m_ptr; int i; - buf = cfg_reply_alloc(MAX_MEDIA * TLV_SPACE(TIPC_MAX_MEDIA_NAME)); + buf = tipc_cfg_reply_alloc(MAX_MEDIA * TLV_SPACE(TIPC_MAX_MEDIA_NAME)); if (!buf) return NULL; - read_lock_bh(&net_lock); + read_lock_bh(&tipc_net_lock); for (i = 0, m_ptr = media_list; i < media_count; i++, m_ptr++) { - cfg_append_tlv(buf, TIPC_TLV_MEDIA_NAME, m_ptr->name, - strlen(m_ptr->name) + 1); + tipc_cfg_append_tlv(buf, TIPC_TLV_MEDIA_NAME, m_ptr->name, + strlen(m_ptr->name) + 1); } - read_unlock_bh(&net_lock); + read_unlock_bh(&tipc_net_lock); return buf; } @@ -283,7 +283,7 @@ static struct bearer *bearer_find(const char *name) struct bearer *b_ptr; u32 i; - for (i = 0, b_ptr = bearers; i < MAX_BEARERS; i++, b_ptr++) { + for (i = 0, b_ptr = tipc_bearers; i < MAX_BEARERS; i++, b_ptr++) { if (b_ptr->active && (!strcmp(b_ptr->publ.name, name))) return b_ptr; } @@ -291,16 +291,16 @@ static struct bearer *bearer_find(const char *name) } /** - * bearer_find - locates bearer object with matching interface name + * tipc_bearer_find_interface - locates bearer object with matching interface name */ -struct bearer *bearer_find_interface(const char *if_name) +struct bearer *tipc_bearer_find_interface(const char *if_name) { struct bearer *b_ptr; char *b_if_name; u32 i; - for (i = 0, b_ptr = bearers; i < MAX_BEARERS; i++, b_ptr++) { + for (i = 0, b_ptr = tipc_bearers; i < MAX_BEARERS; i++, b_ptr++) { if (!b_ptr->active) continue; b_if_name = strchr(b_ptr->publ.name, ':') + 1; @@ -311,54 +311,54 @@ struct bearer *bearer_find_interface(const char *if_name) } /** - * bearer_get_names - record names of bearers in buffer + * tipc_bearer_get_names - record names of bearers in buffer */ -struct sk_buff *bearer_get_names(void) +struct sk_buff *tipc_bearer_get_names(void) { struct sk_buff *buf; struct media *m_ptr; struct bearer *b_ptr; int i, j; - buf = cfg_reply_alloc(MAX_BEARERS * TLV_SPACE(TIPC_MAX_BEARER_NAME)); + buf = tipc_cfg_reply_alloc(MAX_BEARERS * TLV_SPACE(TIPC_MAX_BEARER_NAME)); if (!buf) return NULL; - read_lock_bh(&net_lock); + read_lock_bh(&tipc_net_lock); for (i = 0, m_ptr = media_list; i < media_count; i++, m_ptr++) { for (j = 0; j < MAX_BEARERS; j++) { - b_ptr = &bearers[j]; + b_ptr = &tipc_bearers[j]; if (b_ptr->active && (b_ptr->media == m_ptr)) { - cfg_append_tlv(buf, TIPC_TLV_BEARER_NAME, - b_ptr->publ.name, - strlen(b_ptr->publ.name) + 1); + tipc_cfg_append_tlv(buf, TIPC_TLV_BEARER_NAME, + b_ptr->publ.name, + strlen(b_ptr->publ.name) + 1); } } } - read_unlock_bh(&net_lock); + read_unlock_bh(&tipc_net_lock); return buf; } -void bearer_add_dest(struct bearer *b_ptr, u32 dest) +void tipc_bearer_add_dest(struct bearer *b_ptr, u32 dest) { - nmap_add(&b_ptr->nodes, dest); - disc_update_link_req(b_ptr->link_req); - bcbearer_sort(); + tipc_nmap_add(&b_ptr->nodes, dest); + tipc_disc_update_link_req(b_ptr->link_req); + tipc_bcbearer_sort(); } -void bearer_remove_dest(struct bearer *b_ptr, u32 dest) +void tipc_bearer_remove_dest(struct bearer *b_ptr, u32 dest) { - nmap_remove(&b_ptr->nodes, dest); - disc_update_link_req(b_ptr->link_req); - bcbearer_sort(); + tipc_nmap_remove(&b_ptr->nodes, dest); + tipc_disc_update_link_req(b_ptr->link_req); + tipc_bcbearer_sort(); } /* * bearer_push(): Resolve bearer congestion. Force the waiting * links to push out their unsent packets, one packet per link * per iteration, until all packets are gone or congestion reoccurs. - * 'net_lock' is read_locked when this function is called + * 'tipc_net_lock' is read_locked when this function is called * bearer.lock must be taken before calling * Returns binary true(1) ore false(0) */ @@ -372,7 +372,7 @@ static int bearer_push(struct bearer *b_ptr) while (!list_empty(&b_ptr->cong_links) && (res != PUSH_FAILED)) { list_for_each_entry_safe(ln, tln, &b_ptr->cong_links, link_list) { - res = link_push_packet(ln); + res = tipc_link_push_packet(ln); if (res == PUSH_FAILED) break; if (res == PUSH_FINISHED) @@ -382,7 +382,7 @@ static int bearer_push(struct bearer *b_ptr) return list_empty(&b_ptr->cong_links); } -void bearer_lock_push(struct bearer *b_ptr) +void tipc_bearer_lock_push(struct bearer *b_ptr) { int res; @@ -390,7 +390,7 @@ void bearer_lock_push(struct bearer *b_ptr) res = bearer_push(b_ptr); spin_unlock_bh(&b_ptr->publ.lock); if (res) - bcbearer_push(); + tipc_bcbearer_push(); } @@ -405,7 +405,7 @@ void tipc_continue(struct tipc_bearer *tb_ptr) spin_lock_bh(&b_ptr->publ.lock); b_ptr->continue_count++; if (!list_empty(&b_ptr->cong_links)) - k_signal((Handler)bearer_lock_push, (unsigned long)b_ptr); + tipc_k_signal((Handler)tipc_bearer_lock_push, (unsigned long)b_ptr); b_ptr->publ.blocked = 0; spin_unlock_bh(&b_ptr->publ.lock); } @@ -414,11 +414,11 @@ void tipc_continue(struct tipc_bearer *tb_ptr) * Schedule link for sending of messages after the bearer * has been deblocked by 'continue()'. This method is called * when somebody tries to send a message via this link while - * the bearer is congested. 'net_lock' is in read_lock here + * the bearer is congested. 'tipc_net_lock' is in read_lock here * bearer.lock is busy */ -static void bearer_schedule_unlocked(struct bearer *b_ptr, struct link *l_ptr) +static void tipc_bearer_schedule_unlocked(struct bearer *b_ptr, struct link *l_ptr) { list_move_tail(&l_ptr->link_list, &b_ptr->cong_links); } @@ -427,24 +427,24 @@ static void bearer_schedule_unlocked(struct bearer *b_ptr, struct link *l_ptr) * Schedule link for sending of messages after the bearer * has been deblocked by 'continue()'. This method is called * when somebody tries to send a message via this link while - * the bearer is congested. 'net_lock' is in read_lock here, + * the bearer is congested. 'tipc_net_lock' is in read_lock here, * bearer.lock is free */ -void bearer_schedule(struct bearer *b_ptr, struct link *l_ptr) +void tipc_bearer_schedule(struct bearer *b_ptr, struct link *l_ptr) { spin_lock_bh(&b_ptr->publ.lock); - bearer_schedule_unlocked(b_ptr, l_ptr); + tipc_bearer_schedule_unlocked(b_ptr, l_ptr); spin_unlock_bh(&b_ptr->publ.lock); } /* - * bearer_resolve_congestion(): Check if there is bearer congestion, + * tipc_bearer_resolve_congestion(): Check if there is bearer congestion, * and if there is, try to resolve it before returning. - * 'net_lock' is read_locked when this function is called + * 'tipc_net_lock' is read_locked when this function is called */ -int bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr) +int tipc_bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr) { int res = 1; @@ -452,7 +452,7 @@ int bearer_resolve_congestion(struct bearer *b_ptr, struct link *l_ptr) return 1; spin_lock_bh(&b_ptr->publ.lock); if (!bearer_push(b_ptr)) { - bearer_schedule_unlocked(b_ptr, l_ptr); + tipc_bearer_schedule_unlocked(b_ptr, l_ptr); res = 0; } spin_unlock_bh(&b_ptr->publ.lock); @@ -479,7 +479,7 @@ int tipc_enable_bearer(const char *name, u32 bcast_scope, u32 priority) return -ENOPROTOOPT; if (!bearer_name_validate(name, &b_name) || - !addr_domain_valid(bcast_scope) || + !tipc_addr_domain_valid(bcast_scope) || !in_scope(bcast_scope, tipc_own_addr)) return -EINVAL; @@ -488,8 +488,8 @@ int tipc_enable_bearer(const char *name, u32 bcast_scope, u32 priority) (priority != TIPC_MEDIA_LINK_PRI)) return -EINVAL; - write_lock_bh(&net_lock); - if (!bearers) + write_lock_bh(&tipc_net_lock); + if (!tipc_bearers) goto failed; m_ptr = media_find(b_name.media_name); @@ -505,15 +505,15 @@ restart: bearer_id = MAX_BEARERS; with_this_prio = 1; for (i = MAX_BEARERS; i-- != 0; ) { - if (!bearers[i].active) { + if (!tipc_bearers[i].active) { bearer_id = i; continue; } - if (!strcmp(name, bearers[i].publ.name)) { + if (!strcmp(name, tipc_bearers[i].publ.name)) { warn("Bearer <%s> already enabled\n", name); goto failed; } - if ((bearers[i].priority == priority) && + if ((tipc_bearers[i].priority == priority) && (++with_this_prio > 2)) { if (priority-- == 0) { warn("Third bearer <%s> with priority %u, unable to lower to %u\n", @@ -530,7 +530,7 @@ restart: goto failed; } - b_ptr = &bearers[bearer_id]; + b_ptr = &tipc_bearers[bearer_id]; memset(b_ptr, 0, sizeof(struct bearer)); strcpy(b_ptr->publ.name, name); @@ -549,16 +549,16 @@ restart: INIT_LIST_HEAD(&b_ptr->cong_links); INIT_LIST_HEAD(&b_ptr->links); if (m_ptr->bcast) { - b_ptr->link_req = disc_init_link_req(b_ptr, &m_ptr->bcast_addr, - bcast_scope, 2); + b_ptr->link_req = tipc_disc_init_link_req(b_ptr, &m_ptr->bcast_addr, + bcast_scope, 2); } b_ptr->publ.lock = SPIN_LOCK_UNLOCKED; - write_unlock_bh(&net_lock); + write_unlock_bh(&tipc_net_lock); info("Enabled bearer <%s>, discovery domain %s, priority %u\n", name, addr_string_fill(addr_string, bcast_scope), priority); return 0; failed: - write_unlock_bh(&net_lock); + write_unlock_bh(&tipc_net_lock); return res; } @@ -576,11 +576,11 @@ int tipc_block_bearer(const char *name) if (tipc_mode != TIPC_NET_MODE) return -ENOPROTOOPT; - read_lock_bh(&net_lock); + read_lock_bh(&tipc_net_lock); b_ptr = bearer_find(name); if (!b_ptr) { warn("Attempt to block unknown bearer <%s>\n", name); - read_unlock_bh(&net_lock); + read_unlock_bh(&tipc_net_lock); return -EINVAL; } @@ -590,11 +590,11 @@ int tipc_block_bearer(const char *name) struct node *n_ptr = l_ptr->owner; spin_lock_bh(&n_ptr->lock); - link_reset(l_ptr); + tipc_link_reset(l_ptr); spin_unlock_bh(&n_ptr->lock); } spin_unlock_bh(&b_ptr->publ.lock); - read_unlock_bh(&net_lock); + read_unlock_bh(&tipc_net_lock); info("Blocked bearer <%s>\n", name); return TIPC_OK; } @@ -602,7 +602,7 @@ int tipc_block_bearer(const char *name) /** * bearer_disable - * - * Note: This routine assumes caller holds net_lock. + * Note: This routine assumes caller holds tipc_net_lock. */ static int bearer_disable(const char *name) @@ -620,19 +620,19 @@ static int bearer_disable(const char *name) return -EINVAL; } - disc_stop_link_req(b_ptr->link_req); + tipc_disc_stop_link_req(b_ptr->link_req); spin_lock_bh(&b_ptr->publ.lock); b_ptr->link_req = NULL; b_ptr->publ.blocked = 1; if (b_ptr->media->disable_bearer) { spin_unlock_bh(&b_ptr->publ.lock); - write_unlock_bh(&net_lock); + write_unlock_bh(&tipc_net_lock); b_ptr->media->disable_bearer(&b_ptr->publ); - write_lock_bh(&net_lock); + write_lock_bh(&tipc_net_lock); spin_lock_bh(&b_ptr->publ.lock); } list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) { - link_delete(l_ptr); + tipc_link_delete(l_ptr); } spin_unlock_bh(&b_ptr->publ.lock); info("Disabled bearer <%s>\n", name); @@ -644,54 +644,54 @@ int tipc_disable_bearer(const char *name) { int res; - write_lock_bh(&net_lock); + write_lock_bh(&tipc_net_lock); res = bearer_disable(name); - write_unlock_bh(&net_lock); + write_unlock_bh(&tipc_net_lock); return res; } -int bearer_init(void) +int tipc_bearer_init(void) { int res; - write_lock_bh(&net_lock); - bearers = kmalloc(MAX_BEARERS * sizeof(struct bearer), GFP_ATOMIC); + write_lock_bh(&tipc_net_lock); + tipc_bearers = kmalloc(MAX_BEARERS * sizeof(struct bearer), GFP_ATOMIC); media_list = kmalloc(MAX_MEDIA * sizeof(struct media), GFP_ATOMIC); - if (bearers && media_list) { - memset(bearers, 0, MAX_BEARERS * sizeof(struct bearer)); + if (tipc_bearers && media_list) { + memset(tipc_bearers, 0, MAX_BEARERS * sizeof(struct bearer)); memset(media_list, 0, MAX_MEDIA * sizeof(struct media)); res = TIPC_OK; } else { - kfree(bearers); + kfree(tipc_bearers); kfree(media_list); - bearers = 0; + tipc_bearers = 0; media_list = 0; res = -ENOMEM; } - write_unlock_bh(&net_lock); + write_unlock_bh(&tipc_net_lock); return res; } -void bearer_stop(void) +void tipc_bearer_stop(void) { u32 i; - if (!bearers) + if (!tipc_bearers) return; for (i = 0; i < MAX_BEARERS; i++) { - if (bearers[i].active) - bearers[i].publ.blocked = 1; + if (tipc_bearers[i].active) + tipc_bearers[i].publ.blocked = 1; } for (i = 0; i < MAX_BEARERS; i++) { - if (bearers[i].active) - bearer_disable(bearers[i].publ.name); + if (tipc_bearers[i].active) + bearer_disable(tipc_bearers[i].publ.name); } - kfree(bearers); + kfree(tipc_bearers); kfree(media_list); - bearers = 0; + tipc_bearers = 0; media_list = 0; media_count = 0; } |