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authorDmitry Kravkov <dmitry@broadcom.com>2011-11-13 04:34:24 +0000
committerDavid S. Miller <davem@davemloft.net>2011-11-13 16:03:54 -0500
commitb306f5edf6615d3abeba16914872c24c9be29051 (patch)
treea21769a5afdbadacd35aeed65179a601634b323d /drivers
parentad756594a8d88ffc048d14b8d5c02971e08856ce (diff)
downloadlinux-linaro-stable-b306f5edf6615d3abeba16914872c24c9be29051.tar.gz
bnx2x: separate FCoE and iSCSI license initialization.
FCoE license info must be initialized at probe(), but iSCSI at open(). Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h10
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c45
3 files changed, 46 insertions, 11 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index f946a6ea8909..3f80c11a29a7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -1934,6 +1934,8 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
mod_timer(&bp->timer, jiffies + bp->current_interval);
#ifdef BCM_CNIC
+ /* re-read iscsi info */
+ bnx2x_get_iscsi_info(bp);
bnx2x_setup_cnic_irq_info(bp);
if (bp->state == BNX2X_STATE_OPEN)
bnx2x_cnic_notify(bp, CNIC_CTL_START_CMD);
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 4a16757793f4..c1d7833c42e6 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -1489,4 +1489,14 @@ static inline u16 bnx2x_extract_max_cfg(struct bnx2x *bp, u32 mf_cfg)
return max_cfg;
}
+#ifdef BCM_CNIC
+/**
+ * bnx2x_get_iscsi_info - update iSCSI params according to licensing info.
+ *
+ * @bp: driver handle
+ *
+ */
+void bnx2x_get_iscsi_info(struct bnx2x *bp);
+#endif
+
#endif /* BNX2X_CMN_H */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 1d185f2fc1e8..26dc539ef290 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -9268,21 +9268,38 @@ static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
}
#ifdef BCM_CNIC
-static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
+void bnx2x_get_iscsi_info(struct bnx2x *bp)
{
int port = BP_PORT(bp);
- int func = BP_ABS_FUNC(bp);
u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
drv_lic_key[port].max_iscsi_conn);
- u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
- drv_lic_key[port].max_fcoe_conn);
- /* Get the number of maximum allowed iSCSI and FCoE connections */
+ /* Get the number of maximum allowed iSCSI connections */
bp->cnic_eth_dev.max_iscsi_conn =
(max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;
+ BNX2X_DEV_INFO("max_iscsi_conn 0x%x\n",
+ bp->cnic_eth_dev.max_iscsi_conn);
+
+ /*
+ * If maximum allowed number of connections is zero -
+ * disable the feature.
+ */
+ if (!bp->cnic_eth_dev.max_iscsi_conn)
+ bp->flags |= NO_ISCSI_FLAG;
+}
+
+static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp)
+{
+ int port = BP_PORT(bp);
+ int func = BP_ABS_FUNC(bp);
+
+ u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
+ drv_lic_key[port].max_fcoe_conn);
+
+ /* Get the number of maximum allowed FCoE connections */
bp->cnic_eth_dev.max_fcoe_conn =
(max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
@@ -9334,20 +9351,26 @@ static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
}
}
- BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
- bp->cnic_eth_dev.max_iscsi_conn,
- bp->cnic_eth_dev.max_fcoe_conn);
+ BNX2X_DEV_INFO("max_fcoe_conn 0x%x\n", bp->cnic_eth_dev.max_fcoe_conn);
/*
* If maximum allowed number of connections is zero -
* disable the feature.
*/
- if (!bp->cnic_eth_dev.max_iscsi_conn)
- bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;
-
if (!bp->cnic_eth_dev.max_fcoe_conn)
bp->flags |= NO_FCOE_FLAG;
}
+
+static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
+{
+ /*
+ * iSCSI may be dynamically disabled but reading
+ * info here we will decrease memory usage by driver
+ * if the feature is disabled for good
+ */
+ bnx2x_get_iscsi_info(bp);
+ bnx2x_get_fcoe_info(bp);
+}
#endif
static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)