From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- net/mctp/test/utils.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 net/mctp/test/utils.c (limited to 'net/mctp/test/utils.c') diff --git a/net/mctp/test/utils.c b/net/mctp/test/utils.c new file mode 100644 index 000000000..e03ba66bb --- /dev/null +++ b/net/mctp/test/utils.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include + +#include +#include + +#include "utils.h" + +static netdev_tx_t mctp_test_dev_tx(struct sk_buff *skb, + struct net_device *ndev) +{ + kfree_skb(skb); + return NETDEV_TX_OK; +} + +static const struct net_device_ops mctp_test_netdev_ops = { + .ndo_start_xmit = mctp_test_dev_tx, +}; + +static void mctp_test_dev_setup(struct net_device *ndev) +{ + ndev->type = ARPHRD_MCTP; + ndev->mtu = MCTP_DEV_TEST_MTU; + ndev->hard_header_len = 0; + ndev->addr_len = 0; + ndev->tx_queue_len = DEFAULT_TX_QUEUE_LEN; + ndev->flags = IFF_NOARP; + ndev->netdev_ops = &mctp_test_netdev_ops; + ndev->needs_free_netdev = true; +} + +struct mctp_test_dev *mctp_test_create_dev(void) +{ + struct mctp_test_dev *dev; + struct net_device *ndev; + int rc; + + ndev = alloc_netdev(sizeof(*dev), "mctptest%d", NET_NAME_ENUM, + mctp_test_dev_setup); + if (!ndev) + return NULL; + + dev = netdev_priv(ndev); + dev->ndev = ndev; + + rc = register_netdev(ndev); + if (rc) { + free_netdev(ndev); + return NULL; + } + + rcu_read_lock(); + dev->mdev = __mctp_dev_get(ndev); + rcu_read_unlock(); + + return dev; +} + +void mctp_test_destroy_dev(struct mctp_test_dev *dev) +{ + mctp_dev_put(dev->mdev); + unregister_netdev(dev->ndev); +} -- cgit v1.2.3