/* * 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(0, 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"); } t.git/refs/?h=nds-private-remove&id=29905b52fad0854351f57bab867647e4982285bf'>refslogtreecommitdiff
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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-11 11:17:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-11 11:17:54 -0800
commit69973b830859bc6529a7a0468ba0d80ee5117826 (patch)
tree5f11fe15ed9d9a3ab9c92242030e54b73ecdce45 /drivers/usb/storage/jumpshot.c
parent2e4333c14de06a333783d6812cf3c4998f78b0c8 (diff)
Linux 4.9
Diffstat (limited to 'drivers/usb/storage/jumpshot.c')