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Commit abd40774 authored by David S. Miller's avatar David S. Miller
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Merge branch 'bonding_4ad' 

Xie Jianhua says:

====================
bonding: Introduce 4 AD link speed

The speed field of AD Port Key was based on bitmask, it supported 5
kinds of link speed at most, as there were only 5 bits in the speed
field of the AD Port Key.  This patches series change the speed type
(AD_LINK_SPEED_BITMASK) from bitmask to enum type in order to enhance
speed type from 5 to 32, and then introduce 4 AD link speed to fix
agg_bandwidth.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents daaf427c 424c3232
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Showing with 70 additions and 32 deletions
drivers/net/bonding/bond_3ad.c
View file @ abd40774
......@@ -79,15 +79,21 @@
* --------------------------------------------------------------
* 16 6 1 0
*/
#define AD_DUPLEX_KEY_BITS 0x1
#define AD_SPEED_KEY_BITS 0x3E
#define AD_USER_KEY_BITS 0xFFC0
#define AD_LINK_SPEED_BITMASK_1MBPS 0x1
#define AD_LINK_SPEED_BITMASK_10MBPS 0x2
#define AD_LINK_SPEED_BITMASK_100MBPS 0x4
#define AD_LINK_SPEED_BITMASK_1000MBPS 0x8
#define AD_LINK_SPEED_BITMASK_10000MBPS 0x10
#define AD_DUPLEX_KEY_MASKS 0x1
#define AD_SPEED_KEY_MASKS 0x3E
#define AD_USER_KEY_MASKS 0xFFC0
enum ad_link_speed_type {
AD_LINK_SPEED_1MBPS = 1,
AD_LINK_SPEED_10MBPS,
AD_LINK_SPEED_100MBPS,
AD_LINK_SPEED_1000MBPS,
AD_LINK_SPEED_2500MBPS,
AD_LINK_SPEED_10000MBPS,
AD_LINK_SPEED_20000MBPS,
AD_LINK_SPEED_40000MBPS,
AD_LINK_SPEED_56000MBPS
};
/* compare MAC addresses */
#define MAC_ADDRESS_EQUAL(A, B) \
......@@ -240,12 +246,16 @@ static inline int __check_agg_selection_timer(struct port *port)
* __get_link_speed - get a port's speed
* @port: the port we're looking at
*
* Return @port's speed in 802.3ad bitmask format. i.e. one of:
* Return @port's speed in 802.3ad enum format. i.e. one of:
* 0,
* %AD_LINK_SPEED_BITMASK_10MBPS,
* %AD_LINK_SPEED_BITMASK_100MBPS,
* %AD_LINK_SPEED_BITMASK_1000MBPS,
* %AD_LINK_SPEED_BITMASK_10000MBPS
* %AD_LINK_SPEED_10MBPS,
* %AD_LINK_SPEED_100MBPS,
* %AD_LINK_SPEED_1000MBPS,
* %AD_LINK_SPEED_2500MBPS,
* %AD_LINK_SPEED_10000MBPS
* %AD_LINK_SPEED_20000MBPS
* %AD_LINK_SPEED_40000MBPS
* %AD_LINK_SPEED_56000MBPS
*/
static u16 __get_link_speed(struct port *port)
{
......@@ -262,19 +272,35 @@ static u16 __get_link_speed(struct port *port)
else {
switch (slave->speed) {
case SPEED_10:
speed = AD_LINK_SPEED_BITMASK_10MBPS;
speed = AD_LINK_SPEED_10MBPS;
break;
case SPEED_100:
speed = AD_LINK_SPEED_BITMASK_100MBPS;
speed = AD_LINK_SPEED_100MBPS;
break;
case SPEED_1000:
speed = AD_LINK_SPEED_BITMASK_1000MBPS;
speed = AD_LINK_SPEED_1000MBPS;
break;
case SPEED_2500:
speed = AD_LINK_SPEED_2500MBPS;
break;
case SPEED_10000:
speed = AD_LINK_SPEED_BITMASK_10000MBPS;
speed = AD_LINK_SPEED_10000MBPS;
break;
case SPEED_20000:
speed = AD_LINK_SPEED_20000MBPS;
break;
case SPEED_40000:
speed = AD_LINK_SPEED_40000MBPS;
break;
case SPEED_56000:
speed = AD_LINK_SPEED_56000MBPS;
break;
default:
......@@ -625,21 +651,33 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator)
if (aggregator->num_of_ports) {
switch (__get_link_speed(aggregator->lag_ports)) {
case AD_LINK_SPEED_BITMASK_1MBPS:
case AD_LINK_SPEED_1MBPS:
bandwidth = aggregator->num_of_ports;
break;
case AD_LINK_SPEED_BITMASK_10MBPS:
case AD_LINK_SPEED_10MBPS:
bandwidth = aggregator->num_of_ports * 10;
break;
case AD_LINK_SPEED_BITMASK_100MBPS:
case AD_LINK_SPEED_100MBPS:
bandwidth = aggregator->num_of_ports * 100;
break;
case AD_LINK_SPEED_BITMASK_1000MBPS:
case AD_LINK_SPEED_1000MBPS:
bandwidth = aggregator->num_of_ports * 1000;
break;
case AD_LINK_SPEED_BITMASK_10000MBPS:
case AD_LINK_SPEED_2500MBPS:
bandwidth = aggregator->num_of_ports * 2500;
break;
case AD_LINK_SPEED_10000MBPS:
bandwidth = aggregator->num_of_ports * 10000;
break;
case AD_LINK_SPEED_20000MBPS:
bandwidth = aggregator->num_of_ports * 20000;
break;
case AD_LINK_SPEED_40000MBPS:
bandwidth = aggregator->num_of_ports * 40000;
break;
case AD_LINK_SPEED_56000MBPS:
bandwidth = aggregator->num_of_ports * 56000;
break;
default:
bandwidth = 0; /* to silence the compiler */
}
......@@ -1011,7 +1049,7 @@ static void ad_rx_machine(struct lacpdu *lacpdu, struct port *port)
port->sm_rx_state);
switch (port->sm_rx_state) {
case AD_RX_INITIALIZE:
if (!(port->actor_oper_port_key & AD_DUPLEX_KEY_BITS))
if (!(port->actor_oper_port_key & AD_DUPLEX_KEY_MASKS))
port->sm_vars &= ~AD_PORT_LACP_ENABLED;
else
port->sm_vars |= AD_PORT_LACP_ENABLED;
......@@ -1318,7 +1356,7 @@ static void ad_port_selection_logic(struct port *port, bool *update_slave_arr)
/* update the new aggregator's parameters
* if port was responsed from the end-user
*/
if (port->actor_oper_port_key & AD_DUPLEX_KEY_BITS)
if (port->actor_oper_port_key & AD_DUPLEX_KEY_MASKS)
/* if port is full duplex */
port->aggregator->is_individual = false;
else
......@@ -1846,7 +1884,7 @@ void bond_3ad_bind_slave(struct slave *slave)
/* if the port is not full duplex, then the port should be not
* lacp Enabled
*/
if (!(port->actor_oper_port_key & AD_DUPLEX_KEY_BITS))
if (!(port->actor_oper_port_key & AD_DUPLEX_KEY_MASKS))
port->sm_vars &= ~AD_PORT_LACP_ENABLED;
/* actor system is the bond's system */
port->actor_system = BOND_AD_INFO(bond).system.sys_mac_addr;
......@@ -2214,7 +2252,7 @@ void bond_3ad_adapter_speed_changed(struct slave *slave)
spin_lock_bh(&slave->bond->mode_lock);
port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS;
port->actor_admin_port_key &= ~AD_SPEED_KEY_MASKS;
port->actor_oper_port_key = port->actor_admin_port_key |=
(__get_link_speed(port) << 1);
netdev_dbg(slave->bond->dev, "Port %d changed speed\n", port->actor_port_number);
......@@ -2247,7 +2285,7 @@ void bond_3ad_adapter_duplex_changed(struct slave *slave)
spin_lock_bh(&slave->bond->mode_lock);
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_MASKS;
port->actor_oper_port_key = port->actor_admin_port_key |=
__get_duplex(port);
netdev_dbg(slave->bond->dev, "Port %d changed duplex\n", port->actor_port_number);
......@@ -2289,18 +2327,18 @@ void bond_3ad_handle_link_change(struct slave *slave, char link)
*/
if (link == BOND_LINK_UP) {
port->is_enabled = true;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_MASKS;
port->actor_oper_port_key = port->actor_admin_port_key |=
__get_duplex(port);
port->actor_admin_port_key &= ~AD_SPEED_KEY_BITS;
port->actor_admin_port_key &= ~AD_SPEED_KEY_MASKS;
port->actor_oper_port_key = port->actor_admin_port_key |=
(__get_link_speed(port) << 1);
} else {
/* link has failed */
port->is_enabled = false;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_BITS;
port->actor_admin_port_key &= ~AD_DUPLEX_KEY_MASKS;
port->actor_oper_port_key = (port->actor_admin_port_key &=
~AD_SPEED_KEY_BITS);
~AD_SPEED_KEY_MASKS);
}
netdev_dbg(slave->bond->dev, "Port %d changed link status to %s\n",
port->actor_port_number,
......
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