#include #include #include #include #include #include #include #include "dev.h" #include "str.h" #include "sock.h" #include "die.h" #include "link.h" #include "built_in.h" int device_ifindex(const char *ifname) { int ret, sock, index; struct ifreq ifr; if (!strncmp("any", ifname, strlen("any"))) return 0; sock = af_socket(AF_INET); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ret = ioctl(sock, SIOCGIFINDEX, &ifr); if (unlikely(ret)) panic("Cannot get ifindex from device!\n"); index = ifr.ifr_ifindex; close(sock); return index; } int device_type(const char *ifname) { int ret, sock, type; struct ifreq ifr; if (!strncmp("any", ifname, strlen("any"))) return ARPHRD_ETHER; sock = af_socket(AF_INET); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ret = ioctl(sock, SIOCGIFHWADDR, &ifr); if (unlikely(ret)) panic("Cannot get iftype from device!\n"); /* dev->type */ type = ifr.ifr_hwaddr.sa_family; close(sock); return type; } static int __device_address6(const char *ifname, struct sockaddr_storage *ss) { int ret, family, found = -EINVAL; struct ifaddrs *ifaddr, *ifa; ret = getifaddrs(&ifaddr); if (unlikely(ret < 0)) panic("Cannot get device addresses for IPv6!\n"); for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) { family = ifa->ifa_addr->sa_family; if (family != AF_INET6) continue; if (strcmp(ifa->ifa_name, ifname)) continue; memcpy(ss, ifa->ifa_addr, sizeof(*ss)); found = 0; break; } freeifaddrs(ifaddr); return found; } int device_address(const char *ifname, int af, struct sockaddr_storage *ss) { int ret, sock; struct ifreq ifr; if (unlikely(!ss)) return -EINVAL; if (!strncmp("any", ifname, strlen("any"))) return -EINVAL; if (af == AF_INET6) return __device_address6(ifname, ss); sock = af_socket(af); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ifr.ifr_addr.sa_family = af; ret = ioctl(sock, SIOCGIFADDR, &ifr); if (likely(!ret)) memcpy(ss, &ifr.ifr_addr, sizeof(ifr.ifr_addr)); close(sock); return ret; } size_t device_mtu(const char *ifname) { size_t mtu = 0; int ret, sock; struct ifreq ifr; sock = af_socket(AF_INET); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ret = ioctl(sock, SIOCGIFMTU, &ifr); if (likely(!ret)) mtu = ifr.ifr_mtu; close(sock); return mtu; } short device_get_flags(const char *ifname) { short flags = 0; int ret, sock; struct ifreq ifr; sock = af_socket(AF_INET); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ret = ioctl(sock, SIOCGIFFLAGS, &ifr); if (likely(!ret)) flags = ifr.ifr_flags; close(sock); return flags; } void device_set_flags(const char *ifname, const short flags) { int ret, sock; struct ifreq ifr; sock = af_socket(AF_INET); memset(&ifr, 0, sizeof(ifr)); strlcpy(ifr.ifr_name, ifname, IFNAMSIZ); ifr.ifr_flags = flags; ret = ioctl(sock, SIOCSIFFLAGS, &ifr); if (unlikely(ret < 0)) panic("Cannot set NIC flags!\n"); close(sock); } int device_up_and_running(const char *ifname) { if (!ifname) return -EINVAL; if (!strncmp("any", ifname, strlen("any"))) return 1; return (device_get_flags(ifname) & (IFF_UP | IFF_RUNNING)) == (IFF_UP | IFF_RUNNING); } u32 device_bitrate(const char *ifname) { u32 scopper, swireless; scopper = ethtool_bitrate(ifname); swireless = wireless_bitrate(ifname); return scopper ? : swireless; } short device_enter_promiscuous_mode(const char *ifname) { short ifflags; if (!strncmp("any", ifname, strlen("any"))) return 0; ifflags = device_get_flags(ifname); device_set_flags(ifname, ifflags | IFF_PROMISC); return ifflags; } void device_leave_promiscuous_mode(const char *ifname, short oldflags) { if (!strncmp("any", ifname, strlen("any"))) return; device_set_flags(ifname, oldflags); } n>space:mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2016-06-18 06:06:49 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2016-06-18 06:06:49 -1000
commite80dac114c63dd54398c3c785a6431622c320e87 (patch)
tree2a49ad6be601be3463172082bd61bdde863753e9 /Documentation/input/gamepad.txt
parenta50094a4813443a7ca605f86019061905ba697c4 (diff)
parent083d5ad1a924e79ecf92be37cce9f1efa5c1d240 (diff)
Merge tag 'usb-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH: "Here are a bunch (65) of USB fixes for 4.7-rc4. Sorry about the quantity, I've been slow in getting these out. The majority are the "normal" gadget, musb, and xhci fixes, that we all are used to. There are also a few other tiny fixes resolving a number of reported issues that showed up in 4.7-rc1. All of these have been in linux-next" * tag 'usb-4.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (65 commits) usbip: rate limit get_frame_number message usb: musb: sunxi: Remove bogus "Frees glue" comment usb: musb: sunxi: Fix NULL ptr deref when gadget is registered before musb usb: echi-hcd: Add ehci_setup check before echi_shutdown usb: host: ehci-msm: Conditionally call ehci suspend/resume MAINTAINERS: Add file patterns for usb device tree bindings usb: host: ehci-tegra: Avoid getting the same reset twice usb: host: ehci-tegra: Grab the correct UTMI pads reset USB: mos7720: delete parport USB: OHCI: Don't mark EDs as ED_OPER if scheduling fails phy: ti-pipe3: Program the DPLL even if it was already locked usb: musb: Stop bulk endpoint while queue is rotated usb: musb: Ensure rx reinit occurs for shared_fifo endpoints usb: musb: host: correct cppi dma channel for isoch transfer usb: musb: only restore devctl when session was set in backup usb: phy: Check initial state for twl6030 usb: musb: Use normal module_init for 2430 glue usb: musb: Remove pm_runtime_set_irq_safe usb: musb: Remove extra PM runtime calls from 2430 glue layer usb: musb: Return error value from musb_mailbox ...
Diffstat (limited to 'Documentation/input/gamepad.txt')