提交 aecb9bb8 编写于 作者: Y Ying Xue 提交者: David S. Miller

tipc: rename enum names of node flags

Rename node flags to action_flags as well as its enum names so
that they can reflect its real meanings.
Signed-off-by: NYing Xue <ying.xue@windriver.com>
Reviewed-by: NJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 1b5d3535
...@@ -1489,12 +1489,12 @@ void tipc_rcv(struct sk_buff *head, struct tipc_bearer *b_ptr) ...@@ -1489,12 +1489,12 @@ void tipc_rcv(struct sk_buff *head, struct tipc_bearer *b_ptr)
goto unlock_discard; goto unlock_discard;
/* Verify that communication with node is currently allowed */ /* Verify that communication with node is currently allowed */
if ((n_ptr->flags & TIPC_NODE_DOWN) && if ((n_ptr->action_flags & TIPC_WAIT_PEER_LINKS_DOWN) &&
msg_user(msg) == LINK_PROTOCOL && msg_user(msg) == LINK_PROTOCOL &&
(msg_type(msg) == RESET_MSG || (msg_type(msg) == RESET_MSG ||
msg_type(msg) == ACTIVATE_MSG) && msg_type(msg) == ACTIVATE_MSG) &&
!msg_redundant_link(msg)) !msg_redundant_link(msg))
n_ptr->flags &= ~TIPC_NODE_DOWN; n_ptr->action_flags &= ~TIPC_WAIT_PEER_LINKS_DOWN;
if (tipc_node_blocked(n_ptr)) if (tipc_node_blocked(n_ptr))
goto unlock_discard; goto unlock_discard;
...@@ -1853,7 +1853,7 @@ static void tipc_link_proto_rcv(struct tipc_link *l_ptr, struct sk_buff *buf) ...@@ -1853,7 +1853,7 @@ static void tipc_link_proto_rcv(struct tipc_link *l_ptr, struct sk_buff *buf)
* peer has lost contact -- don't allow peer's links * peer has lost contact -- don't allow peer's links
* to reactivate before we recognize loss & clean up * to reactivate before we recognize loss & clean up
*/ */
l_ptr->owner->flags = TIPC_NODE_RESET; l_ptr->owner->action_flags = TIPC_WAIT_OWN_LINKS_DOWN;
} }
link_state_event(l_ptr, RESET_MSG); link_state_event(l_ptr, RESET_MSG);
......
...@@ -108,7 +108,7 @@ struct tipc_node *tipc_node_create(u32 addr) ...@@ -108,7 +108,7 @@ struct tipc_node *tipc_node_create(u32 addr)
break; break;
} }
list_add_tail_rcu(&n_ptr->list, &temp_node->list); list_add_tail_rcu(&n_ptr->list, &temp_node->list);
n_ptr->flags = TIPC_NODE_DOWN; n_ptr->action_flags = TIPC_WAIT_PEER_LINKS_DOWN;
n_ptr->signature = INVALID_NODE_SIG; n_ptr->signature = INVALID_NODE_SIG;
tipc_num_nodes++; tipc_num_nodes++;
...@@ -267,7 +267,7 @@ void tipc_node_detach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr) ...@@ -267,7 +267,7 @@ void tipc_node_detach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr)
static void node_established_contact(struct tipc_node *n_ptr) static void node_established_contact(struct tipc_node *n_ptr)
{ {
n_ptr->flags |= TIPC_NODE_UP; n_ptr->action_flags |= TIPC_NOTIFY_NODE_UP;
n_ptr->bclink.oos_state = 0; n_ptr->bclink.oos_state = 0;
n_ptr->bclink.acked = tipc_bclink_get_last_sent(); n_ptr->bclink.acked = tipc_bclink_get_last_sent();
tipc_bclink_add_node(n_ptr->addr); tipc_bclink_add_node(n_ptr->addr);
...@@ -311,7 +311,8 @@ static void node_lost_contact(struct tipc_node *n_ptr) ...@@ -311,7 +311,8 @@ static void node_lost_contact(struct tipc_node *n_ptr)
/* Notify subscribers and prevent re-contact with node until /* Notify subscribers and prevent re-contact with node until
* cleanup is done. * cleanup is done.
*/ */
n_ptr->flags = TIPC_NODE_DOWN | TIPC_NODE_LOST; n_ptr->action_flags = TIPC_WAIT_PEER_LINKS_DOWN |
TIPC_NOTIFY_NODE_DOWN;
} }
struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space) struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space)
...@@ -459,18 +460,18 @@ void tipc_node_unlock(struct tipc_node *node) ...@@ -459,18 +460,18 @@ void tipc_node_unlock(struct tipc_node *node)
int pkt_sz = 0; int pkt_sz = 0;
u32 addr = 0; u32 addr = 0;
if (likely(!node->flags)) { if (likely(!node->action_flags)) {
spin_unlock_bh(&node->lock); spin_unlock_bh(&node->lock);
return; return;
} }
if (node->flags & TIPC_NODE_LOST) { if (node->action_flags & TIPC_NOTIFY_NODE_DOWN) {
list_replace_init(&node->nsub, &nsub_list); list_replace_init(&node->nsub, &nsub_list);
node->flags &= ~TIPC_NODE_LOST; node->action_flags &= ~TIPC_NOTIFY_NODE_DOWN;
} }
if (node->flags & TIPC_NODE_UP) { if (node->action_flags & TIPC_NOTIFY_NODE_UP) {
link = node->active_links[0]; link = node->active_links[0];
node->flags &= ~TIPC_NODE_UP; node->action_flags &= ~TIPC_NOTIFY_NODE_UP;
if (link) { if (link) {
pkt_sz = ((link->max_pkt - INT_H_SIZE) / ITEM_SIZE) * pkt_sz = ((link->max_pkt - INT_H_SIZE) / ITEM_SIZE) *
ITEM_SIZE; ITEM_SIZE;
......
...@@ -47,20 +47,17 @@ ...@@ -47,20 +47,17 @@
*/ */
#define INVALID_NODE_SIG 0x10000 #define INVALID_NODE_SIG 0x10000
/* Flags used to block (re)establishment of contact with a neighboring node /* Flags used to take different actions according to flag type
* TIPC_NODE_DOWN: indicate node is down and it's used to block the node's * TIPC_WAIT_PEER_LINKS_DOWN: wait to see that peer's links are down
* links until RESET or ACTIVE message arrives * TIPC_WAIT_OWN_LINKS_DOWN: wait until peer node is declared down
* TIPC_NODE_RESET: indicate node is reset * TIPC_NOTIFY_NODE_DOWN: notify node is down
* TIPC_NODE_LOST: indicate node is lost and it's used to notify subscriptions * TIPC_NOTIFY_NODE_UP: notify node is up
* when node lock is released
* TIPC_NODE_UP: indicate node is up and it's used to deliver local name table
* when node lock is released
*/ */
enum { enum {
TIPC_NODE_DOWN = (1 << 1), TIPC_WAIT_PEER_LINKS_DOWN = (1 << 1),
TIPC_NODE_RESET = (1 << 2), TIPC_WAIT_OWN_LINKS_DOWN = (1 << 2),
TIPC_NODE_LOST = (1 << 3), TIPC_NOTIFY_NODE_DOWN = (1 << 3),
TIPC_NODE_UP = (1 << 4) TIPC_NOTIFY_NODE_UP = (1 << 4)
}; };
/** /**
...@@ -96,7 +93,7 @@ struct tipc_node_bclink { ...@@ -96,7 +93,7 @@ struct tipc_node_bclink {
* @hash: links to adjacent nodes in unsorted hash chain * @hash: links to adjacent nodes in unsorted hash chain
* @active_links: pointers to active links to node * @active_links: pointers to active links to node
* @links: pointers to all links to node * @links: pointers to all links to node
* @flags: bit mask of conditions preventing link establishment to node * @action_flags: bit mask of different types of node actions
* @bclink: broadcast-related info * @bclink: broadcast-related info
* @list: links to adjacent nodes in sorted list of cluster's nodes * @list: links to adjacent nodes in sorted list of cluster's nodes
* @working_links: number of working links to node (both active and standby) * @working_links: number of working links to node (both active and standby)
...@@ -111,7 +108,7 @@ struct tipc_node { ...@@ -111,7 +108,7 @@ struct tipc_node {
struct hlist_node hash; struct hlist_node hash;
struct tipc_link *active_links[2]; struct tipc_link *active_links[2];
struct tipc_link *links[MAX_BEARERS]; struct tipc_link *links[MAX_BEARERS];
unsigned int flags; unsigned int action_flags;
struct tipc_node_bclink bclink; struct tipc_node_bclink bclink;
struct list_head list; struct list_head list;
int link_cnt; int link_cnt;
...@@ -144,8 +141,8 @@ static inline void tipc_node_lock(struct tipc_node *node) ...@@ -144,8 +141,8 @@ static inline void tipc_node_lock(struct tipc_node *node)
static inline bool tipc_node_blocked(struct tipc_node *node) static inline bool tipc_node_blocked(struct tipc_node *node)
{ {
return (node->flags & (TIPC_NODE_DOWN | TIPC_NODE_LOST | return (node->action_flags & (TIPC_WAIT_PEER_LINKS_DOWN |
TIPC_NODE_RESET)); TIPC_NOTIFY_NODE_DOWN | TIPC_WAIT_OWN_LINKS_DOWN));
} }
#endif #endif
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