diff options
| author | Jon Paul Maloy <jon.maloy@ericsson.com> | 2017-01-18 21:50:51 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-01-20 20:10:16 +0300 |
| commit | 2ae0b8af1fe35ddaa2e46704ae31a2f9cac0349d (patch) | |
| tree | fb6ff13876c71217c98fad4456695b479f81e64f /net/tipc/bcast.c | |
| parent | 9999974a8318b605ebae08a87e86232659e56a52 (diff) | |
| download | linux-2ae0b8af1fe35ddaa2e46704ae31a2f9cac0349d.tar.xz | |
tipc: add functionality to lookup multicast destination nodes
As a further preparation for the upcoming 'replicast' functionality,
we add some necessary structs and functions for looking up and returning
a list of all nodes that host destinations for a given multicast message.
Reviewed-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/bcast.c')
| -rw-r--r-- | net/tipc/bcast.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 325627612bac..412d3351abb7 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -39,9 +39,8 @@ #include "socket.h" #include "msg.h" #include "bcast.h" -#include "name_distr.h" #include "link.h" -#include "node.h" +#include "name_table.h" #define BCLINK_WIN_DEFAULT 50 /* bcast link window size (default) */ #define BCLINK_WIN_MIN 32 /* bcast minimum link window size */ @@ -434,3 +433,33 @@ void tipc_bcast_stop(struct net *net) kfree(tn->bcbase); kfree(tn->bcl); } + +void tipc_nlist_init(struct tipc_nlist *nl, u32 self) +{ + memset(nl, 0, sizeof(*nl)); + INIT_LIST_HEAD(&nl->list); + nl->self = self; +} + +void tipc_nlist_add(struct tipc_nlist *nl, u32 node) +{ + if (node == nl->self) + nl->local = true; + else if (u32_push(&nl->list, node)) + nl->remote++; +} + +void tipc_nlist_del(struct tipc_nlist *nl, u32 node) +{ + if (node == nl->self) + nl->local = false; + else if (u32_del(&nl->list, node)) + nl->remote--; +} + +void tipc_nlist_purge(struct tipc_nlist *nl) +{ + u32_list_purge(&nl->list); + nl->remote = 0; + nl->local = 0; +} |