From 36ec8585b2989ff17e23ffe40a28775474dfb40a Mon Sep 17 00:00:00 2001 From: Tetsuya Mukawa Date: Thu, 26 Feb 2015 04:32:20 +0900 Subject: [PATCH] ethdev: release port This patch adds rte_eth_dev_release_port(). The function is used for changing an attached status of the device that has specified name. Signed-off-by: Tetsuya Mukawa --- lib/librte_ether/rte_ethdev.c | 11 +++++++++++ lib/librte_ether/rte_ethdev.h | 12 ++++++++++++ 2 files changed, 23 insertions(+) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index b702039ecd..a089557394 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -255,6 +255,17 @@ rte_eth_dev_allocate(const char *name) return eth_dev; } +int +rte_eth_dev_release_port(struct rte_eth_dev *eth_dev) +{ + if (eth_dev == NULL) + return -EINVAL; + + eth_dev->attached = 0; + nb_ports--; + return 0; +} + static int rte_eth_dev_init(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev) diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h index 3859a22645..e4964b7359 100644 --- a/lib/librte_ether/rte_ethdev.h +++ b/lib/librte_ether/rte_ethdev.h @@ -1539,6 +1539,18 @@ extern uint8_t rte_eth_dev_count(void); */ struct rte_eth_dev *rte_eth_dev_allocate(const char *name); +/** + * Function for internal use by dummy drivers primarily, e.g. ring-based + * driver. + * Release the specified ethdev port. + * + * @param eth_dev + * The *eth_dev* pointer is the address of the *rte_eth_dev* structure. + * @return + * - 0 on success, negative on error + */ +int rte_eth_dev_release_port(struct rte_eth_dev *eth_dev); + struct eth_driver; /** * @internal -- 2.20.1