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team: introduce random mode

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As suggested by Eric Dumazet, allow user to select mode which chooses
TX port randomly. Functionality should be more of less similar to
round-robin mode with even lower overhead.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-03-06 01:31:13 +00:00 • committed by David S. Miller
parent acbba0d0f8
commit 753f993911
5 changed files with 105 additions and 21 deletions
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20
include/linux/if_team.h
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@ -240,6 +240,26 @@ static inline struct team_port *team_get_port_by_index_rcu(struct team *team,
return NULL;
}
static inline struct team_port *
team_get_first_port_txable_rcu(struct team *team, struct team_port *port)
{
struct team_port *cur;
if (likely(team_port_txable(port)))
return port;
cur = port;
list_for_each_entry_continue_rcu(cur, &team->port_list, list)
if (team_port_txable(port))
return cur;
list_for_each_entry_rcu(cur, &team->port_list, list) {
if (cur == port)
break;
if (team_port_txable(port))
return cur;
}
return NULL;
}
extern int team_options_register(struct team *team,
const struct team_option *option,
size_t option_count);