Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 107 insertions, 0 deletions

diff --git a/src/spdk/dpdk/kernel/linux/kni/kni_dev.h b/src/spdk/dpdk/kernel/linux/kni/kni_dev.h
new file mode 100644
index 00000000..6275ef27
--- /dev/null
+++ b/src/spdk/dpdk/kernel/linux/kni/kni_dev.h
@@ -0,0 +1,107 @@
+/* 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_release_fifo_phy(struct kni_dev *kni);
+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