tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
mctp: Add test utils
Add a new object for shared test utilities
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by
Jeremy Kerr
and committed by
David S. Miller
ded21b72
161eba50
+90
+3
net/mctp/Makefile
+3
net/mctp/Makefile
+67
net/mctp/test/utils.c
+67
net/mctp/test/utils.c
···
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// SPDX-License-Identifier: GPL-2.0
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#include <linux/netdevice.h>
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#include <linux/mctp.h>
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#include <linux/if_arp.h>
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#include <net/mctpdevice.h>
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#include <net/pkt_sched.h>
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#include "utils.h"
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static netdev_tx_t mctp_test_dev_tx(struct sk_buff *skb,
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struct net_device *ndev)
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{
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kfree(skb);
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return NETDEV_TX_OK;
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}
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static const struct net_device_ops mctp_test_netdev_ops = {
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.ndo_start_xmit = mctp_test_dev_tx,
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};
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static void mctp_test_dev_setup(struct net_device *ndev)
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{
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ndev->type = ARPHRD_MCTP;
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ndev->mtu = MCTP_DEV_TEST_MTU;
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ndev->hard_header_len = 0;
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ndev->addr_len = 0;
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ndev->tx_queue_len = DEFAULT_TX_QUEUE_LEN;
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ndev->flags = IFF_NOARP;
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ndev->netdev_ops = &mctp_test_netdev_ops;
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ndev->needs_free_netdev = true;
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}
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struct mctp_test_dev *mctp_test_create_dev(void)
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{
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struct mctp_test_dev *dev;
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struct net_device *ndev;
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int rc;
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ndev = alloc_netdev(sizeof(*dev), "mctptest%d", NET_NAME_ENUM,
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mctp_test_dev_setup);
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if (!ndev)
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return NULL;
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dev = netdev_priv(ndev);
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dev->ndev = ndev;
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rc = register_netdev(ndev);
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if (rc) {
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free_netdev(ndev);
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return NULL;
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}
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rcu_read_lock();
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dev->mdev = __mctp_dev_get(ndev);
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mctp_dev_hold(dev->mdev);
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rcu_read_unlock();
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return dev;
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}
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void mctp_test_destroy_dev(struct mctp_test_dev *dev)
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{
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mctp_dev_put(dev->mdev);
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unregister_netdev(dev->ndev);
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}
+20
net/mctp/test/utils.h
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net/mctp/test/utils.h
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __NET_MCTP_TEST_UTILS_H
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#define __NET_MCTP_TEST_UTILS_H
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#include <kunit/test.h>
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#define MCTP_DEV_TEST_MTU 68
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struct mctp_test_dev {
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struct net_device *ndev;
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struct mctp_dev *mdev;
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};
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struct mctp_test_dev;
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struct mctp_test_dev *mctp_test_create_dev(void);
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void mctp_test_destroy_dev(struct mctp_test_dev *dev);
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#endif /* __NET_MCTP_TEST_UTILS_H */