/* * netsniff-ng - the packet sniffing beast * Copyright 2012 Markus Amend , Deutsche Flugsicherung GmbH * Subject to the GPL, version 2. * * IPv6 Hop-By-Hop Header described in RFC2460 */ #include #include #include /* for ntohs() */ #include "proto.h" #include "protos.h" #include "dissector_eth.h" #include "built_in.h" #include "pkt_buff.h" struct hop_by_hophdr { uint8_t h_next_header; uint8_t hdr_len; } __packed; static void dissect_opt_hop (struct pkt_buff *pkt, ssize_t *opt_len) { /* Have to been upgraded. * http://tools.ietf.org/html/rfc2460#section-4.2 * Look also for proto_ipv6_dest_opts.h, it needs * dissect_opt(), too. */ if (*opt_len) tprintf(", Option(s) recognized "); /* If adding dissector reduce opt_len for each using of pkt_pull * to the same size. */ } static void hop_by_hop(struct pkt_buff *pkt) { uint16_t hdr_ext_len; ssize_t opt_len; struct hop_by_hophdr *hop_ops; hop_ops = (struct hop_by_hophdr *) pkt_pull(pkt, sizeof(*hop_ops)); if (hop_ops == NULL) return; /* Total Header Length in Bytes */ hdr_ext_len = (hop_ops->hdr_len + 1) * 8; /* Options length in Bytes */ opt_len = hdr_ext_len - sizeof(*hop_ops); tprintf("\t [ Hop-by-Hop Options "); tprintf("NextHdr (%u), ", hop_ops->h_next_header); if (opt_len > pkt_len(pkt) || opt_len < 0){ tprintf("HdrExtLen (%u, %u Bytes, %s)", hop_ops->hdr_len, hdr_ext_len, colorize_start_full(black, red) "invalid" colorize_end()); return; } tprintf("HdrExtLen (%u, %u Bytes)", hop_ops->hdr_len, hdr_ext_len); dissect_opt_hop(pkt, &opt_len); tprintf(" ]\n"); pkt_pull(pkt, opt_len); pkt_set_proto(pkt, ð_lay3, hop_ops->h_next_header); } static void hop_by_hop_less(struct pkt_buff *pkt) { uint16_t hdr_ext_len; ssize_t opt_len; struct hop_by_hophdr *hop_ops; hop_ops = (struct hop_by_hophdr *) pkt_pull(pkt, sizeof(*hop_ops)); if (hop_ops == NULL) return; /* Total Header Length in Bytes */ hdr_ext_len = (hop_ops->hdr_len + 1) * 8; /* Options length in Bytes */ opt_len = hdr_ext_len - sizeof(*hop_ops); if (opt_len > pkt_len(pkt) || opt_len < 0) return; tprintf(" Hop Ops"); pkt_pull(pkt, opt_len); pkt_set_proto(pkt, ð_lay3, hop_ops->h_next_header); } struct protocol ipv6_hop_by_hop_ops = { .key = 0x0, .print_full = hop_by_hop, .print_less = hop_by_hop_less, }; move'/>
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authorRomain Perier <romain.perier@free-electrons.com>2016-12-05 09:56:38 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2016-12-07 19:55:16 +0800
commit68c7f8c1c4e9b06e6b153fa3e9e0cda2ef5aaed8 (patch)
treea89b94888d96bda068c7d45d51e3e34023ebf1e5 /net/bluetooth
parent57891633eeef60e732e045731cf20e50ee80acb4 (diff)
crypto: marvell - Don't copy hash operation twice into the SRAM
No need to copy the template of an hash operation twice into the SRAM from the step function. Fixes: commit 85030c5168f1 ("crypto: marvell - Add support for chai...") Signed-off-by: Romain Perier <romain.perier@free-electrons.com> Cc: <stable@vger.kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/bluetooth')