qlge: Add ethtool wake on LAN function.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 172 insertions, 0 deletions

diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h
index a5bb3a536538..ba2977699204 100644
--- a/drivers/net/qlge/qlge.h
+++ b/drivers/net/qlge/qlge.h
@@ -796,6 +796,7 @@ enum {
         MB_WOL_BCAST = (1 << 5),
         MB_WOL_LINK_UP = (1 << 6),
         MB_WOL_LINK_DOWN = (1 << 7),
+        MB_WOL_MODE_ON = (1 << 16),             /* Wake on Lan Mode on */
         MB_CMD_SET_WOL_FLTR = 0x00000111,       /* Wake On Lan Filter */
         MB_CMD_CLEAR_WOL_FLTR = 0x00000112, /* Wake On Lan Filter */
         MB_CMD_SET_WOL_MAGIC = 0x00000113,      /* Wake On Lan Magic Packet */
@@ -1646,6 +1647,9 @@ int ql_mb_get_fw_state(struct ql_adapter *qdev);
 int ql_cam_route_initialize(struct ql_adapter *qdev);
 int ql_read_mpi_reg(struct ql_adapter *qdev, u32 reg, u32 *data);
 int ql_mb_about_fw(struct ql_adapter *qdev);
+int ql_wol(struct ql_adapter *qdev);
+int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol);
+int ql_mb_wol_mode(struct ql_adapter *qdev, u32 wol);
 int ql_mb_set_led_cfg(struct ql_adapter *qdev, u32 led_config);
 int ql_mb_get_led_cfg(struct ql_adapter *qdev);
 void ql_link_on(struct ql_adapter *qdev);
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 0c0549bc7bde..019f35fb10c1 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -371,6 +371,36 @@ static void ql_get_drvinfo(struct net_device *ndev,
         drvinfo->eedump_len = 0;
 }
 
+static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
+{
+        struct ql_adapter *qdev = netdev_priv(ndev);
+        /* What we support. */
+        wol->supported = WAKE_MAGIC;
+        /* What we've currently got set. */
+        wol->wolopts = qdev->wol;
+}
+
+static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
+{
+        struct ql_adapter *qdev = netdev_priv(ndev);
+        int status;
+
+        if (wol->wolopts & ~WAKE_MAGIC)
+                return -EINVAL;
+        qdev->wol = wol->wolopts;
+
+        QPRINTK(qdev, DRV, INFO, "Set wol option 0x%x on %s\n",
+                         qdev->wol, ndev->name);
+        if (!qdev->wol) {
+                u32 wol = 0;
+                status = ql_mb_wol_mode(qdev, wol);
+                QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
+                        (status == 0) ? "cleared sucessfully" : "clear failed",
+                        wol, qdev->ndev->name);
+        }
+
+        return 0;
+}
 
 static int ql_phys_id(struct net_device *ndev, u32 data)
 {
@@ -523,6 +553,8 @@ static void ql_set_msglevel(struct net_device *ndev, u32 value)
 const struct ethtool_ops qlge_ethtool_ops = {
         .get_settings = ql_get_settings,
         .get_drvinfo = ql_get_drvinfo,
+        .get_wol = ql_get_wol,
+        .set_wol = ql_set_wol,
         .get_msglevel = ql_get_msglevel,
         .set_msglevel = ql_set_msglevel,
         .get_link = ethtool_op_get_link,
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 34242fbcadff..dd0ea0277550 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3335,6 +3335,22 @@ static int ql_adapter_initialize(struct ql_adapter *qdev)
          * the same MAC address.
          */
         ql_write32(qdev, RST_FO, RST_FO_RR_MASK | RST_FO_RR_RCV_FUNC_CQ);
+        /* Reroute all packets to our Interface.
+         * They may have been routed to MPI firmware
+         * due to WOL.
+         */
+        value = ql_read32(qdev, MGMT_RCV_CFG);
+        value &= ~MGMT_RCV_CFG_RM;
+        mask = 0xffff0000;
+
+        /* Sticky reg needs clearing due to WOL. */
+        ql_write32(qdev, MGMT_RCV_CFG, mask);
+        ql_write32(qdev, MGMT_RCV_CFG, mask | value);
+
+        /* Default WOL is enable on Mezz cards */
+        if (qdev->pdev->subsystem_device == 0x0068 ||
+                        qdev->pdev->subsystem_device == 0x0180)
+                qdev->wol = WAKE_MAGIC;
 
         /* Start up the rx queues. */
         for (i = 0; i < qdev->rx_ring_count; i++) {
@@ -3449,6 +3465,55 @@ static void ql_display_dev_info(struct net_device *ndev)
         QPRINTK(qdev, PROBE, INFO, "MAC address %pM\n", ndev->dev_addr);
 }
 
+int ql_wol(struct ql_adapter *qdev)
+{
+        int status = 0;
+        u32 wol = MB_WOL_DISABLE;
+
+        /* The CAM is still intact after a reset, but if we
+         * are doing WOL, then we may need to program the
+         * routing regs. We would also need to issue the mailbox
+         * commands to instruct the MPI what to do per the ethtool
+         * settings.
+         */
+
+        if (qdev->wol & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_PHY | WAKE_UCAST |
+                        WAKE_MCAST | WAKE_BCAST)) {
+                QPRINTK(qdev, IFDOWN, ERR,
+                        "Unsupported WOL paramter. qdev->wol = 0x%x.\n",
+                        qdev->wol);
+                return -EINVAL;
+        }
+
+        if (qdev->wol & WAKE_MAGIC) {
+                status = ql_mb_wol_set_magic(qdev, 1);
+                if (status) {
+                        QPRINTK(qdev, IFDOWN, ERR,
+                                "Failed to set magic packet on %s.\n",
+                                qdev->ndev->name);
+                        return status;
+                } else
+                        QPRINTK(qdev, DRV, INFO,
+                                "Enabled magic packet successfully on %s.\n",
+                                qdev->ndev->name);
+
+                wol |= MB_WOL_MAGIC_PKT;
+        }
+
+        if (qdev->wol) {
+                /* Reroute all packets to Management Interface */
+                ql_write32(qdev, MGMT_RCV_CFG, (MGMT_RCV_CFG_RM |
+                        (MGMT_RCV_CFG_RM << 16)));
+                wol |= MB_WOL_MODE_ON;
+                status = ql_mb_wol_mode(qdev, wol);
+                QPRINTK(qdev, DRV, ERR, "WOL %s (wol code 0x%x) on %s\n",
+                        (status == 0) ? "Sucessfully set" : "Failed", wol,
+                        qdev->ndev->name);
+        }
+
+        return status;
+}
+
 static int ql_adapter_down(struct ql_adapter *qdev)
 {
         int i, status = 0;
@@ -4285,6 +4350,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state)
                         return err;
         }
 
+        ql_wol(qdev);
         err = pci_save_state(pdev);
         if (err)
                 return err;
diff --git a/drivers/net/qlge/qlge_mpi.c b/drivers/net/qlge/qlge_mpi.c
index 14d76f13d1db..80b68539c5aa 100644
--- a/drivers/net/qlge/qlge_mpi.c
+++ b/drivers/net/qlge/qlge_mpi.c
@@ -702,6 +702,76 @@ int ql_mb_get_port_cfg(struct ql_adapter *qdev)
         return status;
 }
 
+int ql_mb_wol_mode(struct ql_adapter *qdev, u32 wol)
+{
+        struct mbox_params mbc;
+        struct mbox_params *mbcp = &mbc;
+        int status;
+
+        memset(mbcp, 0, sizeof(struct mbox_params));
+
+        mbcp->in_count = 2;
+        mbcp->out_count = 1;
+
+        mbcp->mbox_in[0] = MB_CMD_SET_WOL_MODE;
+        mbcp->mbox_in[1] = wol;
+
+
+        status = ql_mailbox_command(qdev, mbcp);
+        if (status)
+                return status;
+
+        if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+                QPRINTK(qdev, DRV, ERR,
+                        "Failed to set WOL mode.\n");
+                status = -EIO;
+        }
+        return status;
+}
+
+int ql_mb_wol_set_magic(struct ql_adapter *qdev, u32 enable_wol)
+{
+        struct mbox_params mbc;
+        struct mbox_params *mbcp = &mbc;
+        int status;
+        u8 *addr = qdev->ndev->dev_addr;
+
+        memset(mbcp, 0, sizeof(struct mbox_params));
+
+        mbcp->in_count = 8;
+        mbcp->out_count = 1;
+
+        mbcp->mbox_in[0] = MB_CMD_SET_WOL_MAGIC;
+        if (enable_wol) {
+                mbcp->mbox_in[1] = (u32)addr[0];
+                mbcp->mbox_in[2] = (u32)addr[1];
+                mbcp->mbox_in[3] = (u32)addr[2];
+                mbcp->mbox_in[4] = (u32)addr[3];
+                mbcp->mbox_in[5] = (u32)addr[4];
+                mbcp->mbox_in[6] = (u32)addr[5];
+                mbcp->mbox_in[7] = 0;
+        } else {
+                mbcp->mbox_in[1] = 0;
+                mbcp->mbox_in[2] = 1;
+                mbcp->mbox_in[3] = 1;
+                mbcp->mbox_in[4] = 1;
+                mbcp->mbox_in[5] = 1;
+                mbcp->mbox_in[6] = 1;
+                mbcp->mbox_in[7] = 0;
+        }
+
+        status = ql_mailbox_command(qdev, mbcp);
+        if (status)
+                return status;
+
+        if (mbcp->mbox_out[0] != MB_CMD_STS_GOOD) {
+                QPRINTK(qdev, DRV, ERR,
+                        "Failed to set WOL mode.\n");
+                status = -EIO;
+        }
+        return status;
+}
+
 /* IDC - Inter Device Communication...
  * Some firmware commands require consent of adjacent FCOE
  * function.  This function waits for the OK, or a