From 86f24d7c4e66835de4693a2fbd11e8ce1cf89058 Mon Sep 17 00:00:00 2001 From: David Marchand Date: Fri, 22 Jan 2016 15:06:58 +0100 Subject: [PATCH] ethdev: move hotplug checks and logs in a common place Move these error logs and checks on detach capabilities in a common place. Signed-off-by: David Marchand Reviewed-by: Jan Viktorin --- lib/librte_ether/rte_ethdev.c | 77 +++++++++++++++++++++-------------- 1 file changed, 46 insertions(+), 31 deletions(-) diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c index 951fb1cc4f..756b23440d 100644 --- a/lib/librte_ether/rte_ethdev.c +++ b/lib/librte_ether/rte_ethdev.c @@ -514,7 +514,6 @@ rte_eth_dev_attach_pdev(struct rte_pci_addr *addr, uint8_t *port_id) return 0; err: - RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n"); return -1; } @@ -525,10 +524,6 @@ rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr) struct rte_pci_addr freed_addr; struct rte_pci_addr vp; - /* check whether the driver supports detach feature, or not */ - if (rte_eth_dev_is_detachable(port_id)) - goto err; - /* get pci address by port id */ if (rte_eth_dev_get_addr_by_port(port_id, &freed_addr)) goto err; @@ -546,7 +541,6 @@ rte_eth_dev_detach_pdev(uint8_t port_id, struct rte_pci_addr *addr) *addr = freed_addr; return 0; err: - RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n"); return -1; } @@ -577,8 +571,6 @@ end: free(name); free(args); - if (ret < 0) - RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n"); return ret; } @@ -588,10 +580,6 @@ rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname) { char name[RTE_ETH_NAME_MAX_LEN]; - /* check whether the driver supports detach feature, or not */ - if (rte_eth_dev_is_detachable(port_id)) - goto err; - /* get device name by port id */ if (rte_eth_dev_get_name_by_port(port_id, name)) goto err; @@ -603,7 +591,6 @@ rte_eth_dev_detach_vdev(uint8_t port_id, char *vdevname) strncpy(vdevname, name, sizeof(name)); return 0; err: - RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n"); return -1; } @@ -612,14 +599,27 @@ int rte_eth_dev_attach(const char *devargs, uint8_t *port_id) { struct rte_pci_addr addr; + int ret = -1; - if ((devargs == NULL) || (port_id == NULL)) - return -EINVAL; + if ((devargs == NULL) || (port_id == NULL)) { + ret = -EINVAL; + goto err; + } - if (eal_parse_pci_DomBDF(devargs, &addr) == 0) - return rte_eth_dev_attach_pdev(&addr, port_id); - else - return rte_eth_dev_attach_vdev(devargs, port_id); + if (eal_parse_pci_DomBDF(devargs, &addr) == 0) { + ret = rte_eth_dev_attach_pdev(&addr, port_id); + if (ret < 0) + goto err; + } else { + ret = rte_eth_dev_attach_vdev(devargs, port_id); + if (ret < 0) + goto err; + } + + return 0; +err: + RTE_LOG(ERR, EAL, "Driver, cannot attach the device\n"); + return ret; } /* detach the device, then store the name of the device */ @@ -627,26 +627,41 @@ int rte_eth_dev_detach(uint8_t port_id, char *name) { struct rte_pci_addr addr; - int ret; + int ret = -1; - if (name == NULL) - return -EINVAL; + if (name == NULL) { + ret = -EINVAL; + goto err; + } + + /* check whether the driver supports detach feature, or not */ + if (rte_eth_dev_is_detachable(port_id)) + goto err; if (rte_eth_dev_get_device_type(port_id) == RTE_ETH_DEV_PCI) { ret = rte_eth_dev_get_addr_by_port(port_id, &addr); if (ret < 0) - return ret; + goto err; ret = rte_eth_dev_detach_pdev(port_id, &addr); - if (ret == 0) - snprintf(name, RTE_ETH_NAME_MAX_LEN, - "%04x:%02x:%02x.%d", - addr.domain, addr.bus, - addr.devid, addr.function); + if (ret < 0) + goto err; - return ret; - } else - return rte_eth_dev_detach_vdev(port_id, name); + snprintf(name, RTE_ETH_NAME_MAX_LEN, + "%04x:%02x:%02x.%d", + addr.domain, addr.bus, + addr.devid, addr.function); + } else { + ret = rte_eth_dev_detach_vdev(port_id, name); + if (ret < 0) + goto err; + } + + return 0; + +err: + RTE_LOG(ERR, EAL, "Driver, cannot detach the device\n"); + return ret; } static int -- 2.20.1