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| author | Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com> | 2016-07-26 08:47:21 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-07-26 14:26:42 -0700 |
| commit | ff0d3e78a67a8edd09688f073361de9ed8abf9dc (patch) | |
| tree | c227005af52da82c24c476a35a97c6cc82d01bfc /net/tipc | |
| parent | bf1035b2ff5296c7c49e262152253ce29d87e82d (diff) | |
| download | linux-ff0d3e78a67a8edd09688f073361de9ed8abf9dc.tar.gz linux-ff0d3e78a67a8edd09688f073361de9ed8abf9dc.tar.bz2 linux-ff0d3e78a67a8edd09688f073361de9ed8abf9dc.zip | |
tipc: add a function to get the bearer name
Introduce a new function to get the bearer name from
its id. This is used in subsequent commit.
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc')
| -rw-r--r-- | net/tipc/bearer.c | 21 | ||||
| -rw-r--r-- | net/tipc/bearer.h | 1 |
2 files changed, 22 insertions, 0 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index 65b0998a9bab..65b1bbf133bd 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -171,6 +171,27 @@ struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name) return NULL; } +/* tipc_bearer_get_name - get the bearer name from its id. + * @net: network namespace + * @name: a pointer to the buffer where the name will be stored. + * @bearer_id: the id to get the name from. + */ +int tipc_bearer_get_name(struct net *net, char *name, u32 bearer_id) +{ + struct tipc_net *tn = tipc_net(net); + struct tipc_bearer *b; + + if (bearer_id >= MAX_BEARERS) + return -EINVAL; + + b = rtnl_dereference(tn->bearer_list[bearer_id]); + if (!b) + return -EINVAL; + + strcpy(name, b->name); + return 0; +} + void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest) { struct tipc_net *tn = net_generic(net, tipc_net_id); diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h index f1e6db5e6345..43757f1f9cb3 100644 --- a/net/tipc/bearer.h +++ b/net/tipc/bearer.h @@ -197,6 +197,7 @@ int tipc_l2_send_msg(struct net *net, struct sk_buff *buf, void tipc_bearer_add_dest(struct net *net, u32 bearer_id, u32 dest); void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest); struct tipc_bearer *tipc_bearer_find(struct net *net, const char *name); +int tipc_bearer_get_name(struct net *net, char *name, u32 bearer_id); struct tipc_media *tipc_media_find(const char *name); void tipc_bearer_reset_all(struct net *net); int tipc_bearer_setup(void); |