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Message-ID: <201107212056.51510.vladz@broadcom.com>
Date: Thu, 21 Jul 2011 20:56:51 +0300
From: "Vlad Zolotarov" <vladz@...adcom.com>
To: "Dave Miller" <davem@...emloft.net>
cc: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"Eilon Greenstein" <eilong@...adcom.com>
Subject: [PATCH net-next 1/5] bnx2x: Implementation for
netdev->ndo_fcoe_get_wwn
Signed-off-by: Vladislav Zolotarov <vladz@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/bnx2x/bnx2x_cmn.c | 23 +++++++++++++++
drivers/net/bnx2x/bnx2x_cmn.h | 11 +++++++
drivers/net/bnx2x/bnx2x_main.c | 60 ++++++++++++++++++++++++++++++++++++++--
drivers/net/cnic_if.h | 5 +++
4 files changed, 96 insertions(+), 3 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 8b079dc..3aadc30 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c
@@ -3327,6 +3327,29 @@ int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
return LINK_CONFIG_IDX(sel_phy_idx);
}
+#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
+int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ struct cnic_eth_dev *cp = &bp->cnic_eth_dev;
+
+ switch (type) {
+ case NETDEV_FCOE_WWNN:
+ *wwn = HILO_U64(cp->fcoe_wwn_node_name_hi,
+ cp->fcoe_wwn_node_name_lo);
+ break;
+ case NETDEV_FCOE_WWPN:
+ *wwn = HILO_U64(cp->fcoe_wwn_port_name_hi,
+ cp->fcoe_wwn_port_name_lo);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+#endif
+
/* called with rtnl_lock */
int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
{
diff --git a/drivers/net/bnx2x/bnx2x_cmn.h b/drivers/net/bnx2x/bnx2x_cmn.h
index 83d7d1b..223bfee 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/bnx2x/bnx2x_cmn.h
@@ -522,6 +522,17 @@ void bnx2x_free_mem_bp(struct bnx2x *bp);
*/
int bnx2x_change_mtu(struct net_device *dev, int new_mtu);
+#if defined(BCM_CNIC) && (defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE))
+/**
+ * bnx2x_fcoe_get_wwn - return the requested WWN value for this port
+ *
+ * @dev: net_device
+ * @wwn: output buffer
+ * @type: WWN type: NETDEV_FCOE_WWNN (node) or NETDEV_FCOE_WWPN (port)
+ *
+ */
+int bnx2x_fcoe_get_wwn(struct net_device *dev, u64 *wwn, int type);
+#endif
u32 bnx2x_fix_features(struct net_device *dev, u32 features);
int bnx2x_set_features(struct net_device *dev, u32 features);
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index 28ef7fa..121df1f 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c
@@ -9104,10 +9104,13 @@ static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
#ifdef BCM_CNIC
static void __devinit bnx2x_get_cnic_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[BP_PORT(bp)].max_iscsi_conn);
+ drv_lic_key[port].max_iscsi_conn);
u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
- drv_lic_key[BP_PORT(bp)].max_fcoe_conn);
+ drv_lic_key[port].max_fcoe_conn);
/* Get the number of maximum allowed iSCSI and FCoE connections */
bp->cnic_eth_dev.max_iscsi_conn =
@@ -9118,11 +9121,59 @@ static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
(max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
BNX2X_MAX_FCOE_INIT_CONN_SHIFT;
+ /* Read the WWN: */
+ if (!IS_MF(bp)) {
+ /* Port info */
+ bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].
+ fcoe_wwn_port_name_upper);
+ bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].
+ fcoe_wwn_port_name_lower);
+
+ /* Node info */
+ bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].
+ fcoe_wwn_node_name_upper);
+ bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].
+ fcoe_wwn_node_name_lower);
+ } else if (!IS_MF_SD(bp)) {
+ u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
+
+ /*
+ * Read the WWN info only if the FCoE feature is enabled for
+ * this function.
+ */
+ if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
+ /* Port info */
+ bp->cnic_eth_dev.fcoe_wwn_port_name_hi =
+ MF_CFG_RD(bp, func_ext_config[func].
+ fcoe_wwn_port_name_upper);
+ bp->cnic_eth_dev.fcoe_wwn_port_name_lo =
+ MF_CFG_RD(bp, func_ext_config[func].
+ fcoe_wwn_port_name_lower);
+
+ /* Node info */
+ bp->cnic_eth_dev.fcoe_wwn_node_name_hi =
+ MF_CFG_RD(bp, func_ext_config[func].
+ fcoe_wwn_node_name_upper);
+ bp->cnic_eth_dev.fcoe_wwn_node_name_lo =
+ MF_CFG_RD(bp, func_ext_config[func].
+ fcoe_wwn_node_name_lower);
+ }
+ }
+
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);
- /* If mamimum allowed number of connections is zero -
+ /*
+ * If maximum allowed number of connections is zero -
* disable the feature.
*/
if (!bp->cnic_eth_dev.max_iscsi_conn)
@@ -9993,6 +10044,9 @@ static const struct net_device_ops bnx2x_netdev_ops = {
#endif
.ndo_setup_tc = bnx2x_setup_tc,
+#if defined(NETDEV_FCOE_WWNN) && defined(BCM_CNIC)
+ .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn,
+#endif
};
static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index 642b9d5..8a1ffbe 100644
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -181,6 +181,11 @@ struct cnic_eth_dev {
u32 max_fcoe_conn;
u32 max_rdma_conn;
u32 fcoe_init_cid;
+ u32 fcoe_wwn_port_name_hi;
+ u32 fcoe_wwn_port_name_lo;
+ u32 fcoe_wwn_node_name_hi;
+ u32 fcoe_wwn_node_name_lo;
+
u16 iscsi_l2_client_id;
u16 iscsi_l2_cid;
u8 iscsi_mac[ETH_ALEN];
--
1.7.4.1
--
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