diff options
| author | roopa <roopa@cumulusnetworks.com> | 2012-11-09 14:41:34 -0800 |
|---|---|---|
| committer | Thomas Graf <tgraf@redhat.com> | 2012-11-10 00:12:51 +0100 |
| commit | e16e8fdcdbacbd8179ec7a53fa678211d79e550e (patch) | |
| tree | 9e126489ad3b0d732fd5c4ac6e8675f7a2f2b008 | |
| parent | 55c0e036b04b567a81cca441117b4e2ce5e22ef2 (diff) | |
| download | libnl-e16e8fdcdbacbd8179ec7a53fa678211d79e550e.tar.gz | |
Add hash support to link cache
This patch adds keygen function to link cache
Signed-off-by: Shrijeet Mukherjee <shm@cumulusnetworks.com>
Signed-off-by: Nolan Leake <nolan@cumulusnetworks.com>
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Reviewed-by: Wilson Kok <wkok@cumulusnetworks.com>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
| -rw-r--r-- | lib/route/link.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/route/link.c b/lib/route/link.c index 3f9d9dc..f8646d1 100644 --- a/lib/route/link.c +++ b/lib/route/link.c @@ -23,6 +23,7 @@ #include <netlink/attr.h> #include <netlink/utils.h> #include <netlink/object.h> +#include <netlink/hashtable.h> #include <netlink/route/rtnl.h> #include <netlink/route/link.h> #include <netlink/route/link/api.h> @@ -799,6 +800,27 @@ static int link_handle_event(struct nl_object *a, struct rtnl_link_event_cb *cb) } #endif + +static void link_keygen(struct nl_object *obj, uint32_t *hashkey, + uint32_t table_sz) +{ + struct rtnl_link *link = (struct rtnl_link *) obj; + unsigned int lkey_sz; + struct link_hash_key { + uint32_t l_index; + } __attribute__((packed)) lkey; + + lkey_sz = sizeof(lkey); + lkey.l_index = link->l_index; + + *hashkey = nl_hash(&lkey, lkey_sz, 0) % table_sz; + + NL_DBG(5, "link %p key (dev %d) keysz %d, hash 0x%x\n", + link, lkey.l_index, lkey_sz, *hashkey); + + return; +} + static int link_compare(struct nl_object *_a, struct nl_object *_b, uint32_t attrs, int flags) { @@ -2500,6 +2522,7 @@ static struct nl_object_ops link_obj_ops = { [NL_DUMP_STATS] = link_dump_stats, }, .oo_compare = link_compare, + .oo_keygen = link_keygen, .oo_attrs2str = link_attrs2str, .oo_id_attrs = LINK_ATTR_IFINDEX, }; |