/* * 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 != (ssize_t) 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 > (ssize_t) 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, }; private-remove'>logtreecommitdiff
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authorJaehoon Chung <jh80.chung@samsung.com>2016-03-31 14:53:18 +0900
committerUlf Hansson <ulf.hansson@linaro.org>2016-05-02 10:33:17 +0200
commit5659eeaddd47982d03a19c651384456cc3164acc (patch)
tree3c11a559f8620c772b71510f56a116074f0919bc
parent6929eeec2a7c5fe29d8d5cd0873089fc733943b0 (diff)
mmc: dw_mmc: exynos: add the function for controlling SMU
Some of Exynos has the Security management Unit(SMU). This patch adds the function for controlling SMU. In future, if exynos needs to control SMU, it can be implemented in "config_smu" function, not "init" function. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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