diff options
| author | Michael Chan | 2011-07-20 16:55:23 +0200 |
|---|---|---|
| committer | David S. Miller | 2011-07-21 21:38:32 +0200 |
| commit | 74e49bbdabbac34c77b280152b1de9bef9bf9be7 (patch) | |
| tree | b234bc89050abda03bb29103b416eebe3d5ff510 /drivers/net/cnic.c | |
| parent | cnic: Fix Context ID space calculation (diff) | |
| download | kernel-qcow2-linux-74e49bbdabbac34c77b280152b1de9bef9bf9be7.tar.gz kernel-qcow2-linux-74e49bbdabbac34c77b280152b1de9bef9bf9be7.tar.xz kernel-qcow2-linux-74e49bbdabbac34c77b280152b1de9bef9bf9be7.zip | |
cnic: Wait for all Context IDs to be deleted before sending FCOE_DESTROY_FUNC
Otherwise, the firmware will not respond and we'll have to wait for
timeout. Refactor the wait loop we already have into a separate
function for this purpose.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cnic.c')
| -rw-r--r-- | drivers/net/cnic.c | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index 455fd0dacb38..9be0c261b8b0 100644 --- a/drivers/net/cnic.c +++ b/drivers/net/cnic.c @@ -2448,6 +2448,30 @@ static int cnic_bnx2x_fcoe_destroy(struct cnic_dev *dev, struct kwqe *kwqe) return ret; } +static void cnic_bnx2x_delete_wait(struct cnic_dev *dev, u32 start_cid) +{ + struct cnic_local *cp = dev->cnic_priv; + u32 i; + + for (i = start_cid; i < cp->max_cid_space; i++) { + struct cnic_context *ctx = &cp->ctx_tbl[i]; + int j; + + while (test_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags)) + msleep(10); + + for (j = 0; j < 5; j++) { + if (!test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags)) + break; + msleep(20); + } + + if (test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags)) + netdev_warn(dev->netdev, "CID %x not deleted\n", + ctx->cid); + } +} + static int cnic_bnx2x_fcoe_fw_destroy(struct cnic_dev *dev, struct kwqe *kwqe) { struct fcoe_kwqe_destroy *req; @@ -2456,6 +2480,8 @@ static int cnic_bnx2x_fcoe_fw_destroy(struct cnic_dev *dev, struct kwqe *kwqe) int ret; u32 cid; + cnic_bnx2x_delete_wait(dev, MAX_ISCSI_TBL_SZ); + req = (struct fcoe_kwqe_destroy *) kwqe; cid = BNX2X_HW_CID(cp, cp->fcoe_init_cid); @@ -3930,7 +3956,6 @@ static void cnic_close_bnx2x_conn(struct cnic_sock *csk, u32 opcode) static void cnic_cm_stop_bnx2x_hw(struct cnic_dev *dev) { struct cnic_local *cp = dev->cnic_priv; - int i; if (!cp->ctx_tbl) return; @@ -3938,23 +3963,7 @@ static void cnic_cm_stop_bnx2x_hw(struct cnic_dev *dev) if (!netif_running(dev->netdev)) return; - for (i = 0; i < cp->max_cid_space; i++) { - struct cnic_context *ctx = &cp->ctx_tbl[i]; - int j; - - while (test_bit(CTX_FL_DELETE_WAIT, &ctx->ctx_flags)) - msleep(10); - - for (j = 0; j < 5; j++) { - if (!test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags)) - break; - msleep(20); - } - - if (test_bit(CTX_FL_OFFLD_START, &ctx->ctx_flags)) - netdev_warn(dev->netdev, "CID %x not deleted\n", - ctx->cid); - } + cnic_bnx2x_delete_wait(dev, 0); cancel_delayed_work(&cp->delete_task); flush_workqueue(cnic_wq); |