diff options
| author | Michael Chan <mchan@broadcom.com> | 2013-08-02 11:28:23 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-02 15:55:48 -0700 |
| commit | 9e9402eb450f1c921cc130765a4554a84821feab (patch) | |
| tree | 49fe4b5a17655853d79cd80de5eb8002f80ce677 | |
| parent | 4b42df5da8c2f394adeaa61b23e9e58994b1c3c8 (diff) | |
| download | linux-9e9402eb450f1c921cc130765a4554a84821feab.tar.gz linux-9e9402eb450f1c921cc130765a4554a84821feab.tar.bz2 linux-9e9402eb450f1c921cc130765a4554a84821feab.zip | |
cnic, bnx2i: Fix bug on some bnx2x devices that don't support iSCSI
On some bnx2x devices, iSCSI is determined to be unsupported only after
firmware is downloaded. We need to check max_iscsi_conn again after
NETDEV_UP and block iSCSI init operations. Without this fix, iscsiadm
can hang as the firmware will not respond to the iSCSI init message.
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/broadcom/cnic.c | 7 | ||||
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i_init.c | 12 |
2 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 6bd6d143491b..4f8a5357cedc 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -5276,6 +5276,13 @@ static int cnic_register_netdev(struct cnic_dev *dev) if (err) netdev_err(dev->netdev, "register_cnic failed\n"); + /* Read iSCSI config again. On some bnx2x device, iSCSI config + * can change after firmware is downloaded. + */ + dev->max_iscsi_conn = ethdev->max_iscsi_conn; + if (ethdev->drv_state & CNIC_DRV_STATE_NO_ISCSI) + dev->max_iscsi_conn = 0; + return err; } diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c index 50fef6963a81..3104202902ed 100644 --- a/drivers/scsi/bnx2i/bnx2i_init.c +++ b/drivers/scsi/bnx2i/bnx2i_init.c @@ -172,16 +172,14 @@ void bnx2i_start(void *handle) struct bnx2i_hba *hba = handle; int i = HZ; - /* - * We should never register devices that don't support iSCSI - * (see bnx2i_init_one), so something is wrong if we try to - * start a iSCSI adapter on hardware with 0 supported iSCSI - * connections + /* On some bnx2x devices, it is possible that iSCSI is no + * longer supported after firmware is downloaded. In that + * case, the iscsi_init_msg will return failure. */ - BUG_ON(!hba->cnic->max_iscsi_conn); bnx2i_send_fw_iscsi_init_msg(hba); - while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && i--) + while (!test_bit(ADAPTER_STATE_UP, &hba->adapter_state) && + !test_bit(ADAPTER_STATE_INIT_FAILED, &hba->adapter_state) && i--) msleep(BNX2I_INIT_POLL_TIME); } |