net/cxgbe: add support to run Chelsio T6 cards

Add code to detect and run T6 devices.  Update PCI ID Device table
with Chelsio T6 device ids and update documentation.

Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>

diff --git a/doc/guides/nics/cxgbe.rst b/doc/guides/nics/cxgbe.rst
index a205b43..176c189 100644 (file)
--- a/doc/guides/nics/cxgbe.rst
+++ b/doc/guides/nics/cxgbe.rst
@@ -1,5 +1,5 @@
 ..  BSD LICENSE
-    Copyright 2015 Chelsio Communications.
+    Copyright 2015-2017 Chelsio Communications.
     All rights reserved.
 
     Redistribution and use in source and binary forms, with or without
@@ -32,8 +32,8 @@ CXGBE Poll Mode Driver
 ======================
 
 The CXGBE PMD (**librte_pmd_cxgbe**) provides poll mode driver support
-for **Chelsio T5** 10/40 Gbps family of adapters. CXGBE PMD has support
-for the latest Linux and FreeBSD operating systems.
+for **Chelsio Terminator** 10/25/40/100 Gbps family of adapters. CXGBE PMD
+has support for the latest Linux and FreeBSD operating systems.
 
 More information can be found at `Chelsio Communications Official Website
 <http://www.chelsio.com>`_.
@@ -55,9 +55,10 @@ CXGBE PMD has support for:
 Limitations
 -----------
 
-The Chelsio T5 devices provide two/four ports but expose a single PCI bus
-address, thus, librte_pmd_cxgbe registers itself as a
-PCI driver that allocates one Ethernet device per detected port.
+The Chelsio Terminator series of devices provide two/four ports but
+expose a single PCI bus address, thus, librte_pmd_cxgbe registers
+itself as a PCI driver that allocates one Ethernet device per detected
+port.
 
 For this reason, one cannot whitelist/blacklist a single port without
 whitelisting/blacklisting the other ports on the same device.
@@ -70,10 +71,16 @@ Supported Chelsio T5 NICs
 - 40G NICs: T580-CR, T580-LP-CR, T580-SO-CR
 - Other T5 NICs: T522-CR
 
+Supported Chelsio T6 NICs
+-------------------------
+
+- 25G NICs: T6425-CR, T6225-CR, T6225-LL-CR, T6225-SO-CR
+- 100G NICs: T62100-CR, T62100-LP-CR, T62100-SO-CR
+
 Prerequisites
 -------------
 
-- Requires firmware version **1.13.32.0** and higher. Visit
+- Requires firmware version **1.16.43.0** and higher. Visit
   `Chelsio Download Center <http://service.chelsio.com>`_ to get latest firmware
   bundled with the latest Chelsio Unified Wire package.
 
@@ -197,12 +204,12 @@ Unified Wire package for Linux operating system are as follows:
 
    .. code-block:: console
 
-      firmware-version: 1.13.32.0, TP 0.1.4.8
+      firmware-version: 1.16.43.0, TP 0.1.4.9
 
 Running testpmd
 ~~~~~~~~~~~~~~~
 
-This section demonstrates how to launch **testpmd** with Chelsio T5
+This section demonstrates how to launch **testpmd** with Chelsio
 devices managed by librte_pmd_cxgbe in Linux operating system.
 
 #. Load the kernel module:
@@ -226,7 +233,7 @@ devices managed by librte_pmd_cxgbe in Linux operating system.
 
    .. note::
 
-      Both the interfaces of a Chelsio T5 2-port adapter are bound to the
+      Both the interfaces of a Chelsio 2-port adapter are bound to the
       same PCI bus address.
 
 #. Unload the kernel module:
@@ -243,7 +250,7 @@ devices managed by librte_pmd_cxgbe in Linux operating system.
 
    .. note::
 
-      Currently, CXGBE PMD only supports the binding of PF4 for Chelsio T5 NICs.
+      Currently, CXGBE PMD only supports the binding of PF4 for Chelsio NICs.
 
    Example output:
 
@@ -255,7 +262,7 @@ devices managed by librte_pmd_cxgbe in Linux operating system.
       EAL:   PCI memory mapped at 0x7fd7c0200000
       EAL:   PCI memory mapped at 0x7fd77cdfd000
       EAL:   PCI memory mapped at 0x7fd7c10b7000
-      PMD: rte_cxgbe_pmd: fw: 1.13.32.0, TP: 0.1.4.8
+      PMD: rte_cxgbe_pmd: fw: 1.16.43.0, TP: 0.1.4.9
       PMD: rte_cxgbe_pmd: Coming up as MASTER: Initializing adapter
       Interactive-mode selected
       Configuring Port 0 (socket 0)
@@ -339,12 +346,12 @@ Unified Wire package for FreeBSD operating system are as follows:
 
    .. code-block:: console
 
-      dev.t5nex.0.firmware_version: 1.13.32.0
+      dev.t5nex.0.firmware_version: 1.16.43.0
 
 Running testpmd
 ~~~~~~~~~~~~~~~
 
-This section demonstrates how to launch **testpmd** with Chelsio T5
+This section demonstrates how to launch **testpmd** with Chelsio
 devices managed by librte_pmd_cxgbe in FreeBSD operating system.
 
 #. Change to DPDK source directory where the target has been compiled in
@@ -413,7 +420,7 @@ devices managed by librte_pmd_cxgbe in FreeBSD operating system.
 
    .. note::
 
-      Both the interfaces of a Chelsio T5 2-port adapter are bound to the
+      Both the interfaces of a Chelsio 2-port adapter are bound to the
       same PCI bus address.
 
 #. Unload the kernel module:
@@ -433,7 +440,7 @@ devices managed by librte_pmd_cxgbe in FreeBSD operating system.
 
    .. note::
 
-      Currently, CXGBE PMD only supports the binding of PF4 for Chelsio T5 NICs.
+      Currently, CXGBE PMD only supports the binding of PF4 for Chelsio NICs.
 
 #. Load nic_uio kernel driver:
 
@@ -457,7 +464,7 @@ devices managed by librte_pmd_cxgbe in FreeBSD operating system.
       EAL:   PCI memory mapped at 0x8007ec000
       EAL:   PCI memory mapped at 0x842800000
       EAL:   PCI memory mapped at 0x80086c000
-      PMD: rte_cxgbe_pmd: fw: 1.13.32.0, TP: 0.1.4.8
+      PMD: rte_cxgbe_pmd: fw: 1.16.43.0, TP: 0.1.4.9
       PMD: rte_cxgbe_pmd: Coming up as MASTER: Initializing adapter
       Interactive-mode selected
       Configuring Port 0 (socket 0)

diff --git a/doc/guides/rel_notes/release_17_08.rst b/doc/guides/rel_notes/release_17_08.rst
index e3a9204..39a3398 100644 (file)
--- a/doc/guides/rel_notes/release_17_08.rst
+++ b/doc/guides/rel_notes/release_17_08.rst
@@ -47,6 +47,10 @@ New Features
   and inner Ethernet, VLAN, IPv4, IPv6, UDP and TCP pattern items with QUEUE,
   MARK, FLAG and VOID actions for ingress traffic.
 
+* **Added support for Chelsio T6 family of adapters**
+
+  CXGBE PMD updated to run Chelsio T6 family of adapters.
+
 
 Resolved Issues
 ---------------

diff --git a/drivers/net/cxgbe/base/common.h b/drivers/net/cxgbe/base/common.h
index 11f139c..2520c0e 100644 (file)
--- a/drivers/net/cxgbe/base/common.h
+++ b/drivers/net/cxgbe/base/common.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2016 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -385,6 +385,7 @@ void t4_reset_link_config(struct adapter *adap, int idx);
 int t4_get_fw_version(struct adapter *adapter, u32 *vers);
 int t4_get_tp_version(struct adapter *adapter, u32 *vers);
 int t4_get_flash_params(struct adapter *adapter);
+int t4_get_chip_type(struct adapter *adap, int ver);
 int t4_prep_adapter(struct adapter *adapter);
 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf);
 int t4_init_rss_mode(struct adapter *adap, int mbox);

diff --git a/drivers/net/cxgbe/base/t4_chip_type.h b/drivers/net/cxgbe/base/t4_chip_type.h
index 1ca6803..cd7a928 100644 (file)
--- a/drivers/net/cxgbe/base/t4_chip_type.h
+++ b/drivers/net/cxgbe/base/t4_chip_type.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2015 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,7 @@
 
 #define CHELSIO_T4 0x4
 #define CHELSIO_T5 0x5
+#define CHELSIO_T6 0x6
 
 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
 #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
@@ -64,6 +65,10 @@ enum chip_type {
        T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
        T5_FIRST_REV    = T5_A0,
        T5_LAST_REV     = T5_A1,
+
+       T6_A0 = CHELSIO_CHIP_CODE(CHELSIO_T6, 0),
+       T6_FIRST_REV    = T6_A0,
+       T6_LAST_REV     = T6_A0,
 };
 
 static inline int is_t4(enum chip_type chip)
@@ -76,4 +81,8 @@ static inline int is_t5(enum chip_type chip)
        return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5);
 }
 
+static inline int is_t6(enum chip_type chip)
+{
+       return (CHELSIO_CHIP_VERSION(chip) == CHELSIO_T6);
+}
 #endif /* __T4_CHIP_TYPE_H__ */

diff --git a/drivers/net/cxgbe/base/t4_hw.c b/drivers/net/cxgbe/base/t4_hw.c
index 9dca8da..e618873 100644 (file)
--- a/drivers/net/cxgbe/base/t4_hw.c
+++ b/drivers/net/cxgbe/base/t4_hw.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2016 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -2044,7 +2044,9 @@ int t4_flash_cfg_addr(struct adapter *adapter)
 void t4_intr_enable(struct adapter *adapter)
 {
        u32 val = 0;
-       u32 pf = G_SOURCEPF(t4_read_reg(adapter, A_PL_WHOAMI));
+       u32 whoami = t4_read_reg(adapter, A_PL_WHOAMI);
+       u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
+                G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami);
 
        if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
                val = F_ERR_DROPPED_DB | F_ERR_EGR_CTXT_PRIO | F_DBFIFO_HP_INT;
@@ -2069,7 +2071,9 @@ void t4_intr_enable(struct adapter *adapter)
  */
 void t4_intr_disable(struct adapter *adapter)
 {
-       u32 pf = G_SOURCEPF(t4_read_reg(adapter, A_PL_WHOAMI));
+       u32 whoami = t4_read_reg(adapter, A_PL_WHOAMI);
+       u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ?
+                G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami);
 
        t4_write_reg(adapter, MYPF_REG(A_PL_PF_INT_ENABLE), 0);
        t4_set_reg_field(adapter, A_PL_INT_MAP0, 1 << pf, 0);
@@ -3369,6 +3373,33 @@ static void set_pcie_completion_timeout(struct adapter *adapter,
        }
 }
 
+/**
+ * t4_get_chip_type - Determine chip type from device ID
+ * @adap: the adapter
+ * @ver: adapter version
+ */
+int t4_get_chip_type(struct adapter *adap, int ver)
+{
+       enum chip_type chip = 0;
+       u32 pl_rev = G_REV(t4_read_reg(adap, A_PL_REV));
+
+       /* Retrieve adapter's device ID */
+       switch (ver) {
+       case CHELSIO_T5:
+               chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev);
+               break;
+       case CHELSIO_T6:
+               chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev);
+               break;
+       default:
+               dev_err(adap, "Device %d is not supported\n",
+                       adap->params.pci.device_id);
+               return -EINVAL;
+       }
+
+       return chip;
+}
+
 /**
  * t4_prep_adapter - prepare SW and HW for operation
  * @adapter: the adapter
@@ -3406,6 +3437,15 @@ int t4_prep_adapter(struct adapter *adapter)
                adapter->params.arch.nchan = NCHAN;
                adapter->params.arch.vfcount = 128;
                break;
+       case CHELSIO_T6:
+               adapter->params.chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev);
+               adapter->params.arch.sge_fl_db = 0;
+               adapter->params.arch.mps_tcam_size =
+                                               NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
+               adapter->params.arch.mps_rplc_size = 256;
+               adapter->params.arch.nchan = 2;
+               adapter->params.arch.vfcount = 256;
+               break;
        default:
                dev_err(adapter, "%s: Device %d is not supported\n",
                        __func__, adapter->params.pci.device_id);

diff --git a/drivers/net/cxgbe/base/t4_pci_id_tbl.h b/drivers/net/cxgbe/base/t4_pci_id_tbl.h
index 110fadb..1230e73 100644 (file)
--- a/drivers/net/cxgbe/base/t4_pci_id_tbl.h
+++ b/drivers/net/cxgbe/base/t4_pci_id_tbl.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2015 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -144,6 +144,19 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN
        CH_PCI_ID_TABLE_FENTRY(0x5090), /* Custom T540-CR */
        CH_PCI_ID_TABLE_FENTRY(0x5091), /* Custom T522-CR */
        CH_PCI_ID_TABLE_FENTRY(0x5092), /* Custom T520-CR */
+
+       /* T6 adapter */
+       CH_PCI_ID_TABLE_FENTRY(0x6001), /* T6225-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x6002), /* T6225-SO-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x6003), /* T6425-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x6005), /* T6225-OCP */
+       CH_PCI_ID_TABLE_FENTRY(0x6007), /* T62100-LP-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x6008), /* T62100-SO-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x600d), /* T62100-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x6011), /* T6225-LL-CR */
+       CH_PCI_ID_TABLE_FENTRY(0x6014), /* T61100-OCP-SO */
+       CH_PCI_ID_TABLE_FENTRY(0x6080), /* Custom T6225-CR SFP28 */
+       CH_PCI_ID_TABLE_FENTRY(0x6081), /* Custom T62100-CR */
 CH_PCI_DEVICE_ID_TABLE_DEFINE_END;
 
 #endif /* CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN */

diff --git a/drivers/net/cxgbe/base/t4_regs.h b/drivers/net/cxgbe/base/t4_regs.h
index 9057e40..eb23614 100644 (file)
--- a/drivers/net/cxgbe/base/t4_regs.h
+++ b/drivers/net/cxgbe/base/t4_regs.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2015 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -763,6 +763,11 @@
 #define V_SOURCEPF(x) ((x) << S_SOURCEPF)
 #define G_SOURCEPF(x) (((x) >> S_SOURCEPF) & M_SOURCEPF)
 
+#define S_T6_SOURCEPF    9
+#define M_T6_SOURCEPF    0x7U
+#define V_T6_SOURCEPF(x) ((x) << S_T6_SOURCEPF)
+#define G_T6_SOURCEPF(x) (((x) >> S_T6_SOURCEPF) & M_T6_SOURCEPF)
+
 #define A_PL_PF_INT_ENABLE 0x3c4
 
 #define S_PFSW    3

diff --git a/drivers/net/cxgbe/cxgbe_main.c b/drivers/net/cxgbe/cxgbe_main.c
index 1f230cd..3617e28 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_main.c
+++ b/drivers/net/cxgbe/cxgbe_main.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2016 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -1073,10 +1073,20 @@ void cxgbe_close(struct adapter *adapter)
 int cxgbe_probe(struct adapter *adapter)
 {
        struct port_info *pi;
+       int chip;
        int func, i;
        int err = 0;
+       u32 whoami;
+
+       whoami = t4_read_reg(adapter, A_PL_WHOAMI);
+       chip = t4_get_chip_type(adapter,
+                       CHELSIO_PCI_ID_VER(adapter->pdev->id.device_id));
+       if (chip < 0)
+               return chip;
+
+       func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ?
+              G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami);
 
-       func = G_SOURCEPF(t4_read_reg(adapter, A_PL_WHOAMI));
        adapter->mbox = func;
        adapter->pf = func;