cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

util.h (3575B)

      1/*
      2 * QEMU System Emulator
      3 *
      4 * Copyright (c) 2003-2008 Fabrice Bellard
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a copy
      7 * of this software and associated documentation files (the "Software"), to deal
      8 * in the Software without restriction, including without limitation the rights
      9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 * copies of the Software, and to permit persons to whom the Software is
     11 * furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22 * THE SOFTWARE.
     23 */
     24
     25#ifndef QEMU_NET_UTIL_H
     26#define QEMU_NET_UTIL_H
     27
     28
     29/*
     30 * Structure of an internet header, naked of options.
     31 */
     32struct ip {
     33#ifdef HOST_WORDS_BIGENDIAN
     34    uint8_t ip_v:4,         /* version */
     35            ip_hl:4;        /* header length */
     36#else
     37    uint8_t ip_hl:4,        /* header length */
     38            ip_v:4;         /* version */
     39#endif
     40    uint8_t ip_tos;         /* type of service */
     41    uint16_t ip_len;        /* total length */
     42    uint16_t ip_id;         /* identification */
     43    uint16_t ip_off;        /* fragment offset field */
     44#define IP_DF 0x4000        /* don't fragment flag */
     45#define IP_MF 0x2000        /* more fragments flag */
     46#define IP_OFFMASK 0x1fff   /* mask for fragmenting bits */
     47    uint8_t ip_ttl;         /* time to live */
     48    uint8_t ip_p;           /* protocol */
     49    uint16_t ip_sum;        /* checksum */
     50    struct in_addr ip_src, ip_dst;  /* source and dest address */
     51} QEMU_PACKED;
     52
     53static inline bool in6_equal_net(const struct in6_addr *a,
     54                                 const struct in6_addr *b,
     55                                 int prefix_len)
     56{
     57    if (memcmp(a, b, prefix_len / 8) != 0) {
     58        return 0;
     59    }
     60
     61    if (prefix_len % 8 == 0) {
     62        return 1;
     63    }
     64
     65    return a->s6_addr[prefix_len / 8] >> (8 - (prefix_len % 8))
     66        == b->s6_addr[prefix_len / 8] >> (8 - (prefix_len % 8));
     67}
     68
     69#define TCPS_CLOSED             0       /* closed */
     70#define TCPS_LISTEN             1       /* listening for connection */
     71#define TCPS_SYN_SENT           2       /* active, have sent syn */
     72#define TCPS_SYN_RECEIVED       3       /* have send and received syn */
     73/* states < TCPS_ESTABLISHED are those where connections not established */
     74#define TCPS_ESTABLISHED        4       /* established */
     75#define TCPS_CLOSE_WAIT         5       /* rcvd fin, waiting for close */
     76/* states > TCPS_CLOSE_WAIT are those where user has closed */
     77#define TCPS_FIN_WAIT_1         6       /* have closed, sent fin */
     78#define TCPS_CLOSING            7       /* closed xchd FIN; await FIN ACK */
     79#define TCPS_LAST_ACK           8       /* had fin and close; await FIN ACK */
     80/* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
     81#define TCPS_FIN_WAIT_2         9       /* have closed, fin is acked */
     82#define TCPS_TIME_WAIT          10      /* in 2*msl quiet wait after close */
     83
     84int net_parse_macaddr(uint8_t *macaddr, const char *p);
     85
     86#endif /* QEMU_NET_UTIL_H */