From 78d9a8988428e18490dfe463157579030dbe9c63 Mon Sep 17 00:00:00 2001 From: Tetsuya Mukawa Date: Mon, 23 Feb 2015 14:12:35 +0900 Subject: [PATCH] null: support port hotplug This patch adds port hotplug support to Null PMD. Signed-off-by: Tetsuya Mukawa Acked-by: Bernard Iremonger --- lib/librte_pmd_null/rte_eth_null.c | 35 ++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/lib/librte_pmd_null/rte_eth_null.c b/lib/librte_pmd_null/rte_eth_null.c index aaa08393a3..bb102761fc 100644 --- a/lib/librte_pmd_null/rte_eth_null.c +++ b/lib/librte_pmd_null/rte_eth_null.c @@ -336,6 +336,13 @@ eth_stats_reset(struct rte_eth_dev *dev) } } +static struct eth_driver rte_null_pmd = { + .pci_drv = { + .name = "rte_null_pmd", + .drv_flags = RTE_PCI_DRV_DETACHABLE, + }, +}; + static void eth_queue_release(void *q) { @@ -429,10 +436,12 @@ eth_dev_null_create(const char *name, data->nb_tx_queues = (uint16_t)nb_tx_queues; data->dev_link = pmd_link; data->mac_addrs = ð_addr; + strncpy(data->name, eth_dev->data->name, strlen(eth_dev->data->name)); eth_dev->data = data; eth_dev->dev_ops = &ops; eth_dev->pci_dev = pci_dev; + eth_dev->driver = &rte_null_pmd; /* finally assign rx and tx ops */ if (packet_copy) { @@ -536,10 +545,36 @@ rte_pmd_null_devinit(const char *name, const char *params) return eth_dev_null_create(name, numa_node, packet_size, packet_copy); } +static int +rte_pmd_null_devuninit(const char *name) +{ + struct rte_eth_dev *eth_dev = NULL; + + if (name == NULL) + return -EINVAL; + + RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n", + rte_socket_id()); + + /* reserve an ethdev entry */ + eth_dev = rte_eth_dev_allocated(name); + if (eth_dev == NULL) + return -1; + + rte_free(eth_dev->data->dev_private); + rte_free(eth_dev->data); + rte_free(eth_dev->pci_dev); + + rte_eth_dev_release_port(eth_dev); + + return 0; +} + static struct rte_driver pmd_null_drv = { .name = "eth_null", .type = PMD_VDEV, .init = rte_pmd_null_devinit, + .uninit = rte_pmd_null_devuninit, }; PMD_REGISTER_DRIVER(pmd_null_drv); -- 2.20.1