drivers/net: add IGB network card support

Add support for Intel IGB type of network cards.

Signed-off-by: p-szafonimateusz <p-szafonimateusz@xiaomi.com>

Documentation/components/drivers/special/pci/index.rst

@@ -50,6 +50,16 @@ Supported devices:
 - Intel 82574L
 - Intel 82574L
 
+Intel igb
+---------
+
+Intel igb compatible NIC support can be found in ``drivers/net/igb.c``.
+
+Supported devices:
+
+- Intel 82576
+- Intel I211
+
 Intel igc
 ---------
 

drivers/net/CMakeLists.txt

@@ -89,6 +89,10 @@ if(CONFIG_NET)
     list(APPEND SRCS e1000.c)
   endif()
 
+  if(CONFIG_NET_IGB)
+    list(APPEND SRCS igb.c)
+  endif()
+
   if(CONFIG_NET_IGC)
     list(APPEND SRCS igc.c)
   endif()

drivers/net/Kconfig

@@ -815,6 +815,36 @@ config NET_E1000_RXSPARE
 
 endif # NET_E1000
 
+menuconfig NET_IGB
+	bool "Intel IGB support"
+	default n
+	depends on PCI && PCI_MSIX
+	---help---
+		Enable IGB PCI Ethernet driver.
+
+if NET_IGB
+
+config NET_IGB_TXDESC
+	int "Intel IGB TX descriptors"
+	default 256
+
+config NET_IGB_RXDESC
+	int "Intel IGB RX descriptors"
+	default 256
+
+config NET_IGB_RXSPARE
+	int "Intel IGB spare RX buffers"
+	default 8
+
+config NET_IGB_INT_INTERVAL
+	int "Intel IGB interrupt interval"
+	default 100
+	range 1 8191
+	---help---
+		Minimum Inter-interrupt Interval in 1 us increments.
+
+endif # NET_IGB
+
 menuconfig NET_IGC
 	bool "Intel IGC support"
 	default n

drivers/net/Make.defs

@@ -103,14 +103,18 @@ ifeq ($(CONFIG_NET_E1000),y)
   CSRCS += e1000.c
 endif
 
-ifeq ($(CONFIG_DRIVERS_WIFI_SIM),y)
-  CSRCS += wifi_sim.c
+ifeq ($(CONFIG_NET_IGB),y)
+  CSRCS += igb.c
 endif
 
 ifeq ($(CONFIG_NET_IGC),y)
   CSRCS += igc.c
 endif
 
+ifeq ($(CONFIG_DRIVERS_WIFI_SIM),y)
+  CSRCS += wifi_sim.c
+endif
+
 # Include network build support
 
 DEPPATH += --dep-path net

drivers/pci/pci_drivers.c

@@ -32,6 +32,7 @@
 #include <nuttx/virtio/virtio-pci.h>
 #include <nuttx/net/e1000.h>
 #include <nuttx/net/igc.h>
+#include <nuttx/net/igb.h>
 #include <nuttx/can/kvaser_pci.h>
 #include <nuttx/can/ctucanfd_pci.h>
 #include <nuttx/usb/xhci_pci.h>
@@ -163,6 +164,16 @@ int pci_register_drivers(void)
     }
 #endif
 
+  /* Initialization igb driver */
+
+#ifdef CONFIG_NET_IGB
+  ret = pci_igb_init();
+  if (ret < 0)
+    {
+      pcierr("pci_igb_init failed, ret=%d\n", ret);
+    }
+#endif
+
   /* Initialzie Kvaser pci driver */
 
 #ifdef CONFIG_CAN_KVASER

include/nuttx/net/igb.h

@@ -0,0 +1,59 @@
+/****************************************************************************
+ * include/nuttx/net/igb.h
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_NUTTX_NET_IGB_H
+#define __INCLUDE_NUTTX_NET_IGB_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: pci_igb_init
+ *
+ * Description:
+ *   Register a pci driver
+ *
+ ****************************************************************************/
+
+int pci_igb_init(void);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __INCLUDE_NUTTX_NET_IGB_H */