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authorJones Syue 薛懷宗 <jonessyue@qnap.com>2024-02-26 05:24:52 +0300
committerJakub Kicinski <kuba@kernel.org>2024-02-28 05:18:31 +0300
commit4440873f3655325f849366d75382aa05d09b5575 (patch)
tree3b0ecd28d05295c3b653a2e55be10e43fa3b619c
parent848e34ca203046c9b967034596828472f08e4ac7 (diff)
downloadlinux-4440873f3655325f849366d75382aa05d09b5575.tar.xz
bonding: 802.3ad replace MAC_ADDRESS_EQUAL with __agg_has_partner
Replace macro MAC_ADDRESS_EQUAL() for null_mac_addr checking with inline function__agg_has_partner(). When MAC_ADDRESS_EQUAL() is verifiying aggregator's partner mac addr with null_mac_addr, means that seeing if aggregator has a valid partner or not. Using __agg_has_partner() makes it more clear to understand. In ad_port_selection_logic(), since aggregator->partner_system and port->partner_oper.system has been compared first as a prerequisite, it is safe to replace the upcoming MAC_ADDRESS_EQUAL() for null_mac_addr checking with __agg_has_partner(). Delete null_mac_addr, which is not required anymore in bond_3ad.c, since all references to it are gone. Signed-off-by: Jones Syue <jonessyue@qnap.com> Reviewed-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Link: https://lore.kernel.org/r/SI2PR04MB5097BCA8FF2A2F03D9A5A3EEDC5A2@SI2PR04MB5097.apcprd04.prod.outlook.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/bonding/bond_3ad.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c
index f2942e8c6c91..c6807e473ab7 100644
--- a/drivers/net/bonding/bond_3ad.c
+++ b/drivers/net/bonding/bond_3ad.c
@@ -82,10 +82,6 @@ enum ad_link_speed_type {
#define MAC_ADDRESS_EQUAL(A, B) \
ether_addr_equal_64bits((const u8 *)A, (const u8 *)B)
-static const u8 null_mac_addr[ETH_ALEN + 2] __long_aligned = {
- 0, 0, 0, 0, 0, 0
-};
-
static const u16 ad_ticks_per_sec = 1000 / AD_TIMER_INTERVAL;
static const int ad_delta_in_ticks = (AD_TIMER_INTERVAL * HZ) / 1000;
@@ -1588,7 +1584,7 @@ static void ad_port_selection_logic(struct port *port, bool *update_slave_arr)
(aggregator->partner_system_priority == port->partner_oper.system_priority) &&
(aggregator->partner_oper_aggregator_key == port->partner_oper.key)
) &&
- ((!MAC_ADDRESS_EQUAL(&(port->partner_oper.system), &(null_mac_addr)) && /* partner answers */
+ ((__agg_has_partner(aggregator) && /* partner answers */
!aggregator->is_individual) /* but is not individual OR */
)
) {
@@ -2036,9 +2032,7 @@ static void ad_enable_collecting(struct port *port)
*/
static void ad_disable_distributing(struct port *port, bool *update_slave_arr)
{
- if (port->aggregator &&
- !MAC_ADDRESS_EQUAL(&port->aggregator->partner_system,
- &(null_mac_addr))) {
+ if (port->aggregator && __agg_has_partner(port->aggregator)) {
slave_dbg(port->slave->bond->dev, port->slave->dev,
"Disabling distributing on port %d (LAG %d)\n",
port->actor_port_number,
@@ -2078,9 +2072,7 @@ static void ad_enable_collecting_distributing(struct port *port,
static void ad_disable_collecting_distributing(struct port *port,
bool *update_slave_arr)
{
- if (port->aggregator &&
- !MAC_ADDRESS_EQUAL(&(port->aggregator->partner_system),
- &(null_mac_addr))) {
+ if (port->aggregator && __agg_has_partner(port->aggregator)) {
slave_dbg(port->slave->bond->dev, port->slave->dev,
"Disabling port %d (LAG %d)\n",
port->actor_port_number,