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Diffstat (limited to 'kernel/linux/kni/kni_dev.h')
-rw-r--r--kernel/linux/kni/kni_dev.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/kernel/linux/kni/kni_dev.h b/kernel/linux/kni/kni_dev.h
new file mode 100644
index 0000000..c9393d8
--- /dev/null
+++ b/kernel/linux/kni/kni_dev.h
@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright(c) 2010-2014 Intel Corporation.
+ */
+
+#ifndef _KNI_DEV_H_
+#define _KNI_DEV_H_
+
+#ifdef pr_fmt
+#undef pr_fmt
+#endif
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "compat.h"
+
+#include <linux/if.h>
+#include <linux/wait.h>
+#ifdef HAVE_SIGNAL_FUNCTIONS_OWN_HEADER
+#include <linux/sched/signal.h>
+#else
+#include <linux/sched.h>
+#endif
+#include <linux/netdevice.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+
+#include <exec-env/rte_kni_common.h>
+#define KNI_KTHREAD_RESCHEDULE_INTERVAL 5 /* us */
+
+#define MBUF_BURST_SZ 32
+
+/**
+ * A structure describing the private information for a kni device.
+ */
+struct kni_dev {
+ /* kni list */
+ struct list_head list;
+
+ struct net_device_stats stats;
+ int status;
+ uint16_t group_id; /* Group ID of a group of KNI devices */
+ uint32_t core_id; /* Core ID to bind */
+ char name[RTE_KNI_NAMESIZE]; /* Network device name */
+ struct task_struct *pthread;
+
+ /* wait queue for req/resp */
+ wait_queue_head_t wq;
+ struct mutex sync_lock;
+
+ /* PCI device id */
+ uint16_t device_id;
+
+ /* kni device */
+ struct net_device *net_dev;
+ struct net_device *lad_dev;
+ struct pci_dev *pci_dev;
+
+ /* queue for packets to be sent out */
+ void *tx_q;
+
+ /* queue for the packets received */
+ void *rx_q;
+
+ /* queue for the allocated mbufs those can be used to save sk buffs */
+ void *alloc_q;
+
+ /* free queue for the mbufs to be freed */
+ void *free_q;
+
+ /* request queue */
+ void *req_q;
+
+ /* response queue */
+ void *resp_q;
+
+ void *sync_kva;
+ void *sync_va;
+
+ void *mbuf_kva;
+ void *mbuf_va;
+
+ /* mbuf size */
+ uint32_t mbuf_size;
+
+ /* synchro for request processing */
+ unsigned long synchro;
+
+ /* buffers */
+ void *pa[MBUF_BURST_SZ];
+ void *va[MBUF_BURST_SZ];
+ void *alloc_pa[MBUF_BURST_SZ];
+ void *alloc_va[MBUF_BURST_SZ];
+};
+
+void kni_net_rx(struct kni_dev *kni);
+void kni_net_init(struct net_device *dev);
+void kni_net_config_lo_mode(char *lo_str);
+void kni_net_poll_resp(struct kni_dev *kni);
+void kni_set_ethtool_ops(struct net_device *netdev);
+
+int ixgbe_kni_probe(struct pci_dev *pdev, struct net_device **lad_dev);
+void ixgbe_kni_remove(struct pci_dev *pdev);
+int igb_kni_probe(struct pci_dev *pdev, struct net_device **lad_dev);
+void igb_kni_remove(struct pci_dev *pdev);
+
+#endif