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| author | Allan Stephens <allan.stephens@windriver.com> | 2008-05-19 13:27:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-19 13:27:31 -0700 |
| commit | e15f880409c807bb589e9492263564e80f0de6e9 (patch) | |
| tree | d451964bd4a58a8a5566413db15a44b79227400a /net/tipc | |
| parent | 236ae64063faf7d3398b4f9a889421b0d27a69d2 (diff) | |
| download | lwn-e15f880409c807bb589e9492263564e80f0de6e9.tar.gz lwn-e15f880409c807bb589e9492263564e80f0de6e9.zip | |
tipc: Add support for customized subscription overlap handling
This patch enables TIPC's topology server code to do customized
overlap detection handling on a per-subscription basis. (This
capability is needed to support the upcoming introduction of
multi-cluster TIPC networks.)
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/subscr.c | 4 | ||||
| -rw-r--r-- | net/tipc/subscr.h | 8 |
2 files changed, 11 insertions, 1 deletions
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index 8f8d0a6c1c16..81e2bd5f2413 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -157,7 +157,8 @@ void tipc_subscr_report_overlap(struct subscription *sub, return; if (!must && !(sub->filter & TIPC_SUB_PORTS)) return; - subscr_send_event(sub, found_lower, found_upper, event, port_ref, node); + + sub->event_cb(sub, found_lower, found_upper, event, port_ref, node); } /** @@ -372,6 +373,7 @@ static void subscr_subscribe(struct tipc_subscr *s, subscr_terminate(subscriber); return; } + sub->event_cb = subscr_send_event; memcpy(&sub->evt.s, s, sizeof(struct tipc_subscr)); INIT_LIST_HEAD(&sub->subscription_list); INIT_LIST_HEAD(&sub->nameseq_list); diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h index 93a8e674fac1..d95536832907 100644 --- a/net/tipc/subscr.h +++ b/net/tipc/subscr.h @@ -37,11 +37,18 @@ #ifndef _TIPC_SUBSCR_H #define _TIPC_SUBSCR_H +struct subscription; + +typedef void (*tipc_subscr_event) (struct subscription *sub, + u32 found_lower, u32 found_upper, + u32 event, u32 port_ref, u32 node); + /** * struct subscription - TIPC network topology subscription object * @seq: name sequence associated with subscription * @timeout: duration of subscription (in ms) * @filter: event filtering to be done for subscription + * @event_cb: routine invoked when a subscription event is detected * @evt: template for events generated by subscription * @subscription_list: adjacent subscriptions in subscriber's subscription list * @nameseq_list: adjacent subscriptions in name sequence's subscription list @@ -53,6 +60,7 @@ struct subscription { struct tipc_name_seq seq; u32 timeout; u32 filter; + tipc_subscr_event event_cb; struct tipc_event evt; struct list_head subscription_list; struct list_head nameseq_list; |