/* * netsniff-ng - the packet sniffing beast * Copyright 2012 Markus Amend , Deutsche Flugsicherung GmbH * Subject to the GPL, version 2. * * IP Authentication Header described in RFC4302 */ #include #include #include /* for ntohs() */ #include "proto.h" #include "dissector_eth.h" #include "built_in.h" #include "pkt_buff.h" struct auth_hdr { uint8_t h_next_header; uint8_t h_payload_len; uint16_t h_reserved; uint32_t h_spi; uint32_t h_snf; } __packed; static void auth_hdr(struct pkt_buff *pkt) { size_t i, hdr_len; struct auth_hdr *auth_ops; auth_ops = (struct auth_hdr *) pkt_pull(pkt, sizeof(*auth_ops)); if (auth_ops == NULL) return; hdr_len = (auth_ops->h_payload_len * 4) + 8; tprintf(" [ Authentication Header "); tprintf("NextHdr (%u), ", auth_ops->h_next_header); if (hdr_len > pkt_len(pkt)) { tprintf("HdrLen (%u, %zd Bytes %s), ", auth_ops->h_payload_len, hdr_len, colorize_start_full(black, red) "invalid" colorize_end()); return; } tprintf("HdrLen (%u, %zd Bytes), ",auth_ops->h_payload_len, hdr_len); tprintf("Reserved (0x%x), ", ntohs(auth_ops->h_reserved)); /* TODO * Upgrade for Extended (64-bit) Sequence Number * http://tools.ietf.org/html/rfc4302#section-2.5.1 */ tprintf("SPI (0x%x), ", ntohl(auth_ops->h_spi)); tprintf("SNF (0x%x), ", ntohl(auth_ops->h_snf)); tprintf("ICV 0x"); for (i = sizeof(struct auth_hdr); i < hdr_len; i++) { uint8_t *data = pkt_pull(pkt, 1); if (data == NULL) { tprintf("%sinvalid%s", colorize_start_full(black, red), colorize_end()); break; } tprintf("%02x", *data); } tprintf(" ]\n"); pkt_set_dissector(pkt, ð_lay3, auth_ops->h_next_header); } static void auth_hdr_less(struct pkt_buff *pkt) { ssize_t hdr_len; struct auth_hdr *auth_ops; auth_ops = (struct auth_hdr *) pkt_pull(pkt, sizeof(*auth_ops)); if (auth_ops == NULL) return; hdr_len = (auth_ops->h_payload_len * 4) + 8; if (hdr_len > pkt_len(pkt) || hdr_len < 0) return; tprintf(" AH"); pkt_pull(pkt, hdr_len - sizeof(*auth_ops)); pkt_set_dissector(pkt, ð_lay3, auth_ops->h_next_header); } struct protocol ip_auth_ops = { .key = 0x33, .print_full = auth_hdr, .print_less = auth_hdr_less, }; i/linux/net-next.git/log/Documentation/devicetree/bindings/mtd'>
path: root/Documentation/devicetree/bindings/mtd
diff options
context:
space:
mode:
authorMika Westerberg <mika.westerberg@linux.intel.com>2016-02-08 17:14:28 +0200
committerMark Brown <broonie@kernel.org>2016-02-09 18:19:40 +0000
commita0a90718f18264dc904d34a580f332006f5561e9 (patch)
treec40aaf68aada348c4133059aaef79baf948a811a /Documentation/devicetree/bindings/mtd
parent92e963f50fc74041b5e9e744c330dca48e04f08d (diff)
spi: Let drivers translate ACPI DeviceSelection to suitable Linux chip select
In Windows it is up to the SPI host controller driver to handle the ACPI DeviceSelection as it likes. The SPI core does not take any part in it. This is different in Linux because we always expect to have chip select in range of 0 .. master->num_chipselect - 1. In order to support this in Linux we need a way to allow the driver to translate between ACPI DeviceSelection field and Linux chip select number so provide a new optional hook ->fw_translate_cs() that can be used by a driver to handle translation and call this hook if set during SPI slave ACPI enumeration. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd')