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qlcnic: define error code for loopback test 

o Defined error code such as fw not responding, test already running and
  cable not connected.
o Check Fw capability before performing loopback test.

Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Kumar Salecha 2011-07-14 03:16:54 +00:00 committed by David S. Miller
parent f127f4727f
commit fef0c0600b
3 changed files with 30 additions and 12 deletions
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9
drivers/net/qlcnic/qlcnic.h
View File

@ -822,6 +822,7 @@ struct qlcnic_mac_list_s {
#define QLCNIC_FW_CAPABILITY_BDG BIT_8
#define QLCNIC_FW_CAPABILITY_FVLANTX BIT_9
#define QLCNIC_FW_CAPABILITY_HW_LRO BIT_10
#define QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK BIT_27
/* module types */
#define LINKEVENT_MODULE_NOT_PRESENT 1
@ -936,6 +937,12 @@ struct qlcnic_ipaddr {
#define QLCNIC_READD_AGE 20
#define QLCNIC_LB_MAX_FILTERS 64
/* QLCNIC Driver Error Code */
#define QLCNIC_FW_NOT_RESPOND 51
#define QLCNIC_TEST_IN_PROGRESS 52
#define QLCNIC_UNDEFINED_ERROR 53
#define QLCNIC_LB_CABLE_NOT_CONN 54
struct qlcnic_filter {
struct hlist_node fnode;
u8 faddr[ETH_ALEN];
@ -1007,7 +1014,7 @@ struct qlcnic_adapter {
u8 max_mac_filters;
u8 dev_state;
u8 diag_test;
u8 diag_cnt;
char diag_cnt;
u8 reset_ack_timeo;
u8 dev_init_timeo;
u16 msg_enable;

27
drivers/net/qlcnic/qlcnic_ethtool.c
View File

@ -756,6 +756,11 @@ static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
int loop = 0;
int ret;
if (!(adapter->capabilities & QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) {
netdev_info(netdev, "Firmware is not loopback test capable\n");
return -EOPNOTSUPP;
}
netdev_info(netdev, "%s loopback test in progress\n",
mode == QLCNIC_ILB_MODE ? "internal" : "external");
if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
@ -765,8 +770,7 @@ static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
}
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
return -EIO;
return -EBUSY;
ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
if (ret)
@ -778,20 +782,21 @@ static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
if (ret)
goto free_res;
adapter->diag_cnt = 0;
do {
msleep(500);
qlcnic_process_rcv_ring_diag(sds_ring);
if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP)
break;
if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
netdev_info(netdev, "firmware didnt respond to loopback"
" configure request\n");
ret = -QLCNIC_FW_NOT_RESPOND;
goto free_res;
} else if (adapter->diag_cnt) {
ret = adapter->diag_cnt;
goto free_res;
}
} while (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state));
if (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state)) {
netdev_info(netdev, "firmware didnt respond to loopback "
"configure request\n");
ret = adapter->ahw->loopback_state;
goto free_res;
}
ret = qlcnic_do_lb_test(adapter);
qlcnic_clear_lb_mode(adapter);

6
drivers/net/qlcnic/qlcnic_init.c
View File

@ -1354,10 +1354,16 @@ qlcnic_handle_fw_message(int desc_cnt, int index,
break;
case 1:
dev_info(dev, "loopback already in progress\n");
adapter->diag_cnt = -QLCNIC_TEST_IN_PROGRESS;
break;
case 2:
dev_info(dev, "loopback cable is not connected\n");
adapter->diag_cnt = -QLCNIC_LB_CABLE_NOT_CONN;
break;
default:
dev_info(dev, "loopback configure request failed,"
" ret %x\n", ret);
adapter->diag_cnt = -QLCNIC_UNDEFINED_ERROR;
break;
}
break;