/* * netsniff-ng - the packet sniffing beast * Copyright 2009, 2010 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include #include #include #include #include #include #include #include "xmalloc.h" #include "die.h" #include "ring.h" #include "built_in.h" void mmap_ring_generic(int sock, struct ring *ring) { ring->mm_space = mmap(NULL, ring->mm_len, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_LOCKED | MAP_POPULATE, sock, 0); if (ring->mm_space == MAP_FAILED) panic("Cannot mmap {TX,RX}_RING!\n"); } void alloc_ring_frames_generic(struct ring *ring, int num, size_t size) { int i; size_t len = num * sizeof(*ring->frames); ring->frames = xmalloc_aligned(len, CO_CACHE_LINE_SIZE); fmemset(ring->frames, 0, len); for (i = 0; i < num; ++i) { ring->frames[i].iov_len = size; ring->frames[i].iov_base = ring->mm_space + (i * size); } } void bind_ring_generic(int sock, struct ring *ring, int ifindex) { int ret; /* The {TX,RX}_RING registers itself to the networking stack with * dev_add_pack(), so we have one single RX_RING for all devs * otherwise you'll get the packet twice. */ fmemset(&ring->s_ll, 0, sizeof(ring->s_ll)); ring->s_ll.sll_family = AF_PACKET; ring->s_ll.sll_protocol = htons(ETH_P_ALL); ring->s_ll.sll_ifindex = ifindex; ring->s_ll.sll_hatype = 0; ring->s_ll.sll_halen = 0; ring->s_ll.sll_pkttype = 0; ret = bind(sock, (struct sockaddr *) &ring->s_ll, sizeof(ring->s_ll)); if (ret < 0) panic("Cannot bind {TX,RX}_RING!\n"); } ve'>summaryrefslogtreecommitdiff
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-25 10:19:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-25 10:19:17 -0700
commit1f93d2abf488c6a41bdd5e6caf80b559493eea8d (patch)
tree6c81f37167ee42fed575d48e2fcc6dc92ec1d79f /Documentation/hwmon
parent48dd7cefa010b704eb2532a2883798fd6d703a0e (diff)
parent540be8b2add1a18a4289b11c1a9b6956eb846630 (diff)
Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck: - add support for Fintek F81865 Super-IO chip - add support for watchdogs (RWDT and SWDT) found on RCar Gen3 based SoCs from Renesas - octeon: Handle the FROZEN hot plug notifier actions - f71808e_wdt fixes and cleanups - some small improvements in code and documentation * git://www.linux-watchdog.org/linux-watchdog: MAINTAINERS: Add file patterns for watchdog device tree bindings Documentation: Add ebc-c384_wdt watchdog-parameters.txt entry watchdog: shwdt: Use setup_timer() watchdog: cpwd: Use setup_timer() arm64: defconfig: enable Renesas Watchdog Timer watchdog: renesas-wdt: add driver watchdog: remove error message when unable to allocate watchdog device watchdog: f71808e_wdt: Fix WDTMOUT_STS register read watchdog: f71808e_wdt: Fix typo watchdog: f71808e_wdt: Add F81865 support watchdog: sp5100_tco: properly check for new register layouts watchdog: core: Fix circular locking dependency watchdog: core: fix trivial typo in a comment watchdog: hpwdt: Adjust documentation to match latest kernel module parameters. watchdog: imx2_wdt: add external reset support via dt prop watchdog: octeon: Handle the FROZEN hot plug notifier actions. watchdog: qcom: Report reboot reason
Diffstat (limited to 'Documentation/hwmon')