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team: allow to enable/disable ports

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This patch changes content of hashlist (used to get port struct by
computed index (0...en_port_count-1)). Now the hash list contains only
enabled ports so userspace will be able to say what ports can be used
for tx/rx. This becomes handy when userspace will need to disable ports
which does not belong to active aggregator. By default, newly added port
is enabled.

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2012-04-20 04:42:05 +00:00 • committed by David S. Miller
parent 4c78bb845b
commit 19a0b58e50
4 changed files with 47 additions and 27 deletions
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15
include/linux/if_team.h
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@ -28,10 +28,10 @@ struct team;
struct team_port {
struct net_device *dev;
struct hlist_node hlist; /* node in hash list */
struct hlist_node hlist; /* node in enabled ports hash list */
struct list_head list; /* node in ordinary list */
struct team *team;
int index;
int index; /* index of enabled port. If disabled, it's set to -1 */
bool linkup; /* either state.linkup or user.linkup */
@ -125,11 +125,12 @@ struct team {
struct mutex lock; /* used for overall locking, e.g. port lists write */
/*
* port lists with port count
* List of enabled ports and their count
*/
int port_count;
struct hlist_head port_hlist[TEAM_PORT_HASHENTRIES];
struct list_head port_list;
int en_port_count;
struct hlist_head en_port_hlist[TEAM_PORT_HASHENTRIES];
struct list_head port_list; /* list of all ports */
struct list_head option_list;
struct list_head option_inst_list; /* list of option instances */
@ -142,7 +143,7 @@ struct team {
static inline struct hlist_head *team_port_index_hash(struct team *team,
int port_index)
{
return &team->port_hlist[port_index & (TEAM_PORT_HASHENTRIES - 1)];
return &team->en_port_hlist[port_index & (TEAM_PORT_HASHENTRIES - 1)];
}
static inline struct team_port *team_get_port_by_index(struct team *team,