/* * netsniff-ng - the packet sniffing beast * Copyright 2009 - 2013 Daniel Borkmann. * Subject to the GPL, version 2. */ #include #include #include #include #include #include #include "pcap_io.h" #include "built_in.h" #include "die.h" #include "iosched.h" #include "ioops.h" static ssize_t pcap_rw_write(int fd, pcap_pkthdr_t *phdr, enum pcap_type type, const uint8_t *packet, size_t len) { ssize_t ret, hdrsize = pcap_get_hdr_length(phdr, type), hdrlen = 0; ret = write_or_die(fd, &phdr->raw, hdrsize); if (unlikely(ret != hdrsize)) panic("Failed to write pkt header!\n"); hdrlen = pcap_get_length(phdr, type); if (unlikely(hdrlen != len)) return -EINVAL; ret = write_or_die(fd, packet, hdrlen); if (unlikely(ret != hdrlen)) panic("Failed to write pkt payload!\n"); return hdrsize + hdrlen; } static ssize_t pcap_rw_read(int fd, pcap_pkthdr_t *phdr, enum pcap_type type, uint8_t *packet, size_t len) { ssize_t ret, hdrsize = pcap_get_hdr_length(phdr, type), hdrlen = 0; ret = read_or_die(fd, &phdr->raw, hdrsize); if (unlikely(ret != hdrsize)) return -EIO; hdrlen = pcap_get_length(phdr, type); if (unlikely(hdrlen == 0 || hdrlen > len)) return -EINVAL; ret = read(fd, packet, hdrlen); if (unlikely(ret != hdrlen)) return -EIO; return hdrsize + hdrlen; } static void pcap_rw_init_once(void) { set_ioprio_rt(); } static void pcap_rw_fsync(int fd) { fdatasync(fd); } const struct pcap_file_ops pcap_rw_ops = { .init_once_pcap = pcap_rw_init_once, .pull_fhdr_pcap = pcap_generic_pull_fhdr, .push_fhdr_pcap = pcap_generic_push_fhdr, .read_pcap = pcap_rw_read, .write_pcap = pcap_rw_write, .fsync_pcap = pcap_rw_fsync, }; .git/log/init?h=packet-loop-back'>logtreecommitdiff
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authorHelge Deller <deller@gmx.de>2016-09-20 17:20:10 +0200
committerHelge Deller <deller@gmx.de>2016-09-20 18:02:35 +0200
commitb5d5cf2b8a68618a8ec646cab5746e2f539dc244 (patch)
tree3b7bfba3271e602dd2ac0a431426367cde9d2b82 /init
parentd2ffb0103aaefa9b169da042cf39ce27bfb6cdbb (diff)
parisc: Drop BROKEN_RODATA config option
PARISC was the only architecture which selected the BROKEN_RODATA config option. Drop it and remove the special handling from init.h as well. Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'init')