redonkable/alistair23-linux
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qlcnic: Fix loopback diagnostic test

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o Adapter requires that if the port is in loopback mode no traffic should
  be flowing through that port, so on arrival of Link up AEN, do not advertise
  Link up to the stack until port is out of loopback mode

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Manish Chopra 2014-01-02 13:38:43 -05:00 committed by David S. Miller
parent c3ac17cd6a
commit d9c602f033
3 changed files with 7 additions and 6 deletions
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2
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
View file

@ -487,6 +487,7 @@ struct qlcnic_hardware_context {
struct qlcnic_mailbox *mailbox;
u8 extend_lb_time;
u8 phys_port_id[ETH_ALEN];
u8 lb_mode;
};
struct qlcnic_adapter_stats {
@ -808,6 +809,7 @@ struct qlcnic_mac_list_s {
#define QLCNIC_ILB_MODE 0x1
#define QLCNIC_ELB_MODE 0x2
#define QLCNIC_LB_MODE_MASK 0x3
#define QLCNIC_LINKEVENT 0x1
#define QLCNIC_LB_RESPONSE 0x2

7
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
View file

@ -1684,12 +1684,6 @@ int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode)
}
} while ((adapter->ahw->linkup && ahw->has_link_events) != 1);
/* Make sure carrier is off and queue is stopped during loopback */
if (netif_running(netdev)) {
netif_carrier_off(netdev);
netif_tx_stop_all_queues(netdev);
}
ret = qlcnic_do_lb_test(adapter, mode);
qlcnic_83xx_clear_lb_mode(adapter, mode);
@ -2121,6 +2115,7 @@ static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter,
ahw->link_autoneg = MSB(MSW(data[3]));
ahw->module_type = MSB(LSW(data[3]));
ahw->has_link_events = 1;
ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK;
qlcnic_advert_link_change(adapter, link_status);
}

4
drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
View file

@ -689,6 +689,10 @@ void qlcnic_advert_link_change(struct qlcnic_adapter *adapter, int linkup)
adapter->ahw->linkup = 0;
netif_carrier_off(netdev);
} else if (!adapter->ahw->linkup && linkup) {
/* Do not advertise Link up if the port is in loopback mode */
if (qlcnic_83xx_check(adapter) && adapter->ahw->lb_mode)
return;
netdev_info(netdev, "NIC Link is up\n");
adapter->ahw->linkup = 1;
netif_carrier_on(netdev);