use SPDX license tag in Mellanox copyrighted files
[dpdk.git] / drivers / net / cxgbe / cxgbe_main.c
index 0c1dc8c..54eb23d 100644 (file)
@@ -1,34 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2014-2017 Chelsio Communications.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Chelsio Communications nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2014-2018 Chelsio Communications.
+ * All rights reserved.
  */
 
 #include <sys/queue.h>
@@ -57,9 +29,9 @@
 #include <rte_ether.h>
 #include <rte_ethdev_driver.h>
 #include <rte_ethdev_pci.h>
-#include <rte_malloc.h>
 #include <rte_random.h>
 #include <rte_dev.h>
+#include <rte_kvargs.h>
 
 #include "common.h"
 #include "t4_regs.h"
@@ -199,15 +171,16 @@ int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
 
 static inline bool is_x_1g_port(const struct link_config *lc)
 {
-       return (lc->supported & FW_PORT_CAP_SPEED_1G) != 0;
+       return (lc->pcaps & FW_PORT_CAP32_SPEED_1G) != 0;
 }
 
 static inline bool is_x_10g_port(const struct link_config *lc)
 {
        unsigned int speeds, high_speeds;
 
-       speeds = V_FW_PORT_CAP_SPEED(G_FW_PORT_CAP_SPEED(lc->supported));
-       high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G);
+       speeds = V_FW_PORT_CAP32_SPEED(G_FW_PORT_CAP32_SPEED(lc->pcaps));
+       high_speeds = speeds &
+                     ~(FW_PORT_CAP32_SPEED_100M | FW_PORT_CAP32_SPEED_1G);
 
        return high_speeds != 0;
 }
@@ -345,14 +318,17 @@ static void setup_memwin(struct adapter *adap)
                                        MEMWIN_NIC));
 }
 
-static int init_rss(struct adapter *adap)
+int init_rss(struct adapter *adap)
 {
        unsigned int i;
-       int err;
 
-       err = t4_init_rss_mode(adap, adap->mbox);
-       if (err)
-               return err;
+       if (is_pf4(adap)) {
+               int err;
+
+               err = t4_init_rss_mode(adap, adap->mbox);
+               if (err)
+                       return err;
+       }
 
        for_each_port(adap, i) {
                struct port_info *pi = adap2pinfo(adap, i);
@@ -369,7 +345,7 @@ static int init_rss(struct adapter *adap)
 /**
  * Dump basic information about the adapter.
  */
-static void print_adapter_info(struct adapter *adap)
+void print_adapter_info(struct adapter *adap)
 {
        /**
         * Hardware/Firmware/etc. Version/Revision IDs.
@@ -377,7 +353,7 @@ static void print_adapter_info(struct adapter *adap)
        t4_dump_version_info(adap);
 }
 
-static void print_port_info(struct adapter *adap)
+void print_port_info(struct adapter *adap)
 {
        int i;
        char buf[80];
@@ -387,17 +363,19 @@ static void print_port_info(struct adapter *adap)
                const struct port_info *pi = adap2pinfo(adap, i);
                char *bufp = buf;
 
-               if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100M)
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100M)
                        bufp += sprintf(bufp, "100M/");
-               if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G)
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_1G)
                        bufp += sprintf(bufp, "1G/");
-               if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_10G)
                        bufp += sprintf(bufp, "10G/");
-               if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_25G)
                        bufp += sprintf(bufp, "25G/");
-               if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_40G)
                        bufp += sprintf(bufp, "40G/");
-               if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_50G)
+                       bufp += sprintf(bufp, "50G/");
+               if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100G)
                        bufp += sprintf(bufp, "100G/");
                if (bufp != buf)
                        --bufp;
@@ -414,6 +392,84 @@ static void print_port_info(struct adapter *adap)
        }
 }
 
+static int
+check_devargs_handler(__rte_unused const char *key, const char *value,
+                     __rte_unused void *opaque)
+{
+       if (strcmp(value, "1"))
+               return -1;
+
+       return 0;
+}
+
+int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key)
+{
+       struct rte_kvargs *kvlist;
+
+       if (!devargs)
+               return 0;
+
+       kvlist = rte_kvargs_parse(devargs->args, NULL);
+       if (!kvlist)
+               return 0;
+
+       if (!rte_kvargs_count(kvlist, key)) {
+               rte_kvargs_free(kvlist);
+               return 0;
+       }
+
+       if (rte_kvargs_process(kvlist, key,
+                              check_devargs_handler, NULL) < 0) {
+               rte_kvargs_free(kvlist);
+               return 0;
+       }
+       rte_kvargs_free(kvlist);
+
+       return 1;
+}
+
+static void configure_vlan_types(struct adapter *adapter)
+{
+       struct rte_pci_device *pdev = adapter->pdev;
+       int i;
+
+       for_each_port(adapter, i) {
+               /* OVLAN Type 0x88a8 */
+               t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN0),
+                                V_OVLAN_MASK(M_OVLAN_MASK) |
+                                V_OVLAN_ETYPE(M_OVLAN_ETYPE),
+                                V_OVLAN_MASK(M_OVLAN_MASK) |
+                                V_OVLAN_ETYPE(0x88a8));
+               /* OVLAN Type 0x9100 */
+               t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN1),
+                                V_OVLAN_MASK(M_OVLAN_MASK) |
+                                V_OVLAN_ETYPE(M_OVLAN_ETYPE),
+                                V_OVLAN_MASK(M_OVLAN_MASK) |
+                                V_OVLAN_ETYPE(0x9100));
+               /* OVLAN Type 0x8100 */
+               t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN2),
+                                V_OVLAN_MASK(M_OVLAN_MASK) |
+                                V_OVLAN_ETYPE(M_OVLAN_ETYPE),
+                                V_OVLAN_MASK(M_OVLAN_MASK) |
+                                V_OVLAN_ETYPE(0x8100));
+
+               /* IVLAN 0X8100 */
+               t4_set_reg_field(adapter, MPS_PORT_RX_IVLAN(i),
+                                V_IVLAN_ETYPE(M_IVLAN_ETYPE),
+                                V_IVLAN_ETYPE(0x8100));
+
+               t4_set_reg_field(adapter, MPS_PORT_RX_CTL(i),
+                                F_OVLAN_EN0 | F_OVLAN_EN1 |
+                                F_OVLAN_EN2 | F_IVLAN_EN,
+                                F_OVLAN_EN0 | F_OVLAN_EN1 |
+                                F_OVLAN_EN2 | F_IVLAN_EN);
+       }
+
+       if (cxgbe_get_devargs(pdev->device.devargs, CXGBE_DEVARG_KEEP_OVLAN))
+               t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG,
+                                      V_RM_OVLAN(1), V_RM_OVLAN(0));
+}
+
 static void configure_pcie_ext_tag(struct adapter *adapter)
 {
        u16 v;
@@ -830,6 +886,7 @@ static int adap_init0(struct adapter *adap)
        t4_init_sge_params(adap);
        t4_init_tp_params(adap);
        configure_pcie_ext_tag(adap);
+       configure_vlan_types(adap);
 
        adap->params.drv_memwin = MEMWIN_NIC;
        adap->flags |= FW_OK;
@@ -883,6 +940,18 @@ void t4_os_portmod_changed(const struct adapter *adap, int port_id)
                         pi->port_id, pi->mod_type);
 }
 
+inline bool force_linkup(struct adapter *adap)
+{
+       struct rte_pci_device *pdev = adap->pdev;
+
+       if (is_pf4(adap))
+               return false;   /* force_linkup not required for pf driver*/
+       if (!cxgbe_get_devargs(pdev->device.devargs,
+                              CXGBE_DEVARG_FORCE_LINK_UP))
+               return false;
+       return true;
+}
+
 /**
  * link_start - enable a port
  * @dev: the port to enable
@@ -914,7 +983,7 @@ int link_start(struct port_info *pi)
                        ret = 0;
                }
        }
-       if (ret == 0)
+       if (ret == 0 && is_pf4(adapter))
                ret = t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
                                    &pi->link_cfg);
        if (ret == 0) {
@@ -928,6 +997,9 @@ int link_start(struct port_info *pi)
                ret = t4_enable_vi_params(adapter, adapter->mbox, pi->viid,
                                          true, true, false);
        }
+
+       if (ret == 0 && force_linkup(adapter))
+               pi->eth_dev->data->dev_link.link_status = ETH_LINK_UP;
        return ret;
 }
 
@@ -1065,7 +1137,8 @@ int setup_rss(struct port_info *pi)
 static void enable_rx(struct adapter *adap, struct sge_rspq *q)
 {
        /* 0-increment GTS to start the timer and enable interrupts */
-       t4_write_reg(adap, MYPF_REG(A_SGE_PF_GTS),
+       t4_write_reg(adap, is_pf4(adap) ? MYPF_REG(A_SGE_PF_GTS) :
+                                         T4VF_SGE_BASE_ADDR + A_SGE_VF_GTS,
                     V_SEINTARM(q->intr_params) |
                     V_INGRESSQID(q->cntxt_id));
 }
@@ -1100,7 +1173,7 @@ static void fw_caps_to_speed_caps(enum fw_port_type port_type,
 
 #define FW_CAPS_TO_SPEED(__fw_name) \
        do { \
-               if (fw_caps & FW_PORT_CAP_ ## __fw_name) \
+               if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \
                        SET_SPEED(__fw_name); \
        } while (0)
 
@@ -1155,6 +1228,7 @@ static void fw_caps_to_speed_caps(enum fw_port_type port_type,
        case FW_PORT_TYPE_CR4_QSFP:
                FW_CAPS_TO_SPEED(SPEED_25G);
                FW_CAPS_TO_SPEED(SPEED_40G);
+               FW_CAPS_TO_SPEED(SPEED_50G);
                FW_CAPS_TO_SPEED(SPEED_100G);
                break;
 
@@ -1177,10 +1251,10 @@ void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps)
 {
        *speed_caps = 0;
 
-       fw_caps_to_speed_caps(pi->port_type, pi->link_cfg.supported,
+       fw_caps_to_speed_caps(pi->port_type, pi->link_cfg.pcaps,
                              speed_caps);
 
-       if (!(pi->link_cfg.supported & FW_PORT_CAP_ANEG))
+       if (!(pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG))
                *speed_caps |= ETH_LINK_SPEED_FIXED;
 }
 
@@ -1196,7 +1270,8 @@ int cxgbe_up(struct adapter *adap)
 {
        enable_rx(adap, &adap->sge.fw_evtq);
        t4_sge_tx_monitor_start(adap);
-       t4_intr_enable(adap);
+       if (is_pf4(adap))
+               t4_intr_enable(adap);
        adap->flags |= FULL_INIT_DONE;
 
        /* TODO: deadman watchdog ?? */
@@ -1217,7 +1292,7 @@ int cxgbe_down(struct port_info *pi)
                return err;
        }
 
-       t4_reset_link_config(adapter, pi->port_id);
+       t4_reset_link_config(adapter, pi->pidx);
        return 0;
 }
 
@@ -1230,7 +1305,8 @@ void cxgbe_close(struct adapter *adapter)
        int i;
 
        if (adapter->flags & FULL_INIT_DONE) {
-               t4_intr_disable(adapter);
+               if (is_pf4(adapter))
+                       t4_intr_disable(adapter);
                t4_sge_tx_monitor_stop(adapter);
                t4_free_sge_resources(adapter);
                for_each_port(adapter, i) {
@@ -1248,7 +1324,7 @@ void cxgbe_close(struct adapter *adapter)
                adapter->flags &= ~FULL_INIT_DONE;
        }
 
-       if (adapter->flags & FW_OK)
+       if (is_pf4(adapter) && (adapter->flags & FW_OK))
                t4_fw_bye(adapter, adapter->mbox);
 }
 
@@ -1355,6 +1431,7 @@ allocate_mac:
                pi->adapter = adapter;
                pi->xact_addr_filt = -1;
                pi->port_id = i;
+               pi->pidx = i;
 
                pi->eth_dev->device = &adapter->pdev->device;
                pi->eth_dev->dev_ops = adapter->eth_dev->dev_ops;
@@ -1371,6 +1448,11 @@ allocate_mac:
                        err = -1;
                        goto out_free;
                }
+
+               if (i > 0) {
+                       /* First port will be notified by upper layer */
+                       rte_eth_dev_probing_finish(eth_dev);
+               }
        }
 
        if (adapter->flags & FW_OK) {