diff options
Diffstat (limited to 'contrib/libpcap/dlpisubs.c')
| -rw-r--r-- | contrib/libpcap/dlpisubs.c | 65 |
1 files changed, 37 insertions, 28 deletions
diff --git a/contrib/libpcap/dlpisubs.c b/contrib/libpcap/dlpisubs.c index 23c78ced2183..131fa279d843 100644 --- a/contrib/libpcap/dlpisubs.c +++ b/contrib/libpcap/dlpisubs.c @@ -10,10 +10,6 @@ * This file contains dlpi/libdlpi related common functions used * by pcap-[dlpi,libdlpi].c. */ -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/libpcap/dlpisubs.c,v 1.3 2008-12-02 16:40:19 guy Exp $ (LBL)"; -#endif #ifdef HAVE_CONFIG_H #include "config.h" @@ -66,6 +62,10 @@ static const char rcsid[] _U_ = #include <stropts.h> #include <unistd.h> +#ifdef HAVE_LIBDLPI +#include <libdlpi.h> +#endif + #include "pcap-int.h" #include "dlpisubs.h" @@ -79,6 +79,7 @@ static void pcap_stream_err(const char *, int, char *); int pcap_stats_dlpi(pcap_t *p, struct pcap_stat *ps) { + struct pcap_dlpi *pd = p->priv; /* * "ps_recv" counts packets handed to the filter, not packets @@ -103,7 +104,7 @@ pcap_stats_dlpi(pcap_t *p, struct pcap_stat *ps) * the kernel by libpcap, but they may include packets not * yet read from libpcap by the application. */ - *ps = p->md.stat; + *ps = pd->stat; /* * Add in the drop count, as per the above comment. @@ -120,6 +121,7 @@ int pcap_process_pkts(pcap_t *p, pcap_handler callback, u_char *user, int count, u_char *bufp, int len) { + struct pcap_dlpi *pd = p->priv; int n, caplen, origlen; u_char *ep, *pk; struct pcap_pkthdr pkthdr; @@ -162,7 +164,7 @@ pcap_process_pkts(pcap_t *p, pcap_handler callback, u_char *user, } else #endif sbp = (struct sb_hdr *)bufp; - p->md.stat.ps_drop = sbp->sbh_drops; + pd->stat.ps_drop = sbp->sbh_drops; pk = bufp + sizeof(*sbp); bufp += sbp->sbh_totlen; origlen = sbp->sbh_origlen; @@ -173,7 +175,7 @@ pcap_process_pkts(pcap_t *p, pcap_handler callback, u_char *user, pk = bufp; bufp += caplen; #endif - ++p->md.stat.ps_recv; + ++pd->stat.ps_recv; if (bpf_filter(p->fcode.bf_insns, pk, origlen, caplen)) { #ifdef HAVE_SYS_BUFMOD_H pkthdr.ts.tv_sec = sbp->sbh_timestamp.tv_sec; @@ -187,7 +189,7 @@ pcap_process_pkts(pcap_t *p, pcap_handler callback, u_char *user, if (pkthdr.caplen > p->snapshot) pkthdr.caplen = p->snapshot; (*callback)(user, &pkthdr, pk); - if (++n >= count && count >= 0) { + if (++n >= count && !PACKET_COUNT_IS_UNLIMITED(count)) { p->cc = ep - bufp; p->bp = bufp; return (n); @@ -267,46 +269,53 @@ pcap_process_mactype(pcap_t *p, u_int mactype) * Push and configure the buffer module. Returns -1 for error, otherwise 0. */ int -pcap_conf_bufmod(pcap_t *p, int snaplen, int timeout) +pcap_conf_bufmod(pcap_t *p, int snaplen) { - int retv = 0; - + struct timeval to; bpf_u_int32 ss, chunksize; /* Non-standard call to get the data nicely buffered. */ if (ioctl(p->fd, I_PUSH, "bufmod") != 0) { pcap_stream_err("I_PUSH bufmod", errno, p->errbuf); - retv = -1; + return (-1); } ss = snaplen; if (ss > 0 && strioctl(p->fd, SBIOCSSNAP, sizeof(ss), (char *)&ss) != 0) { pcap_stream_err("SBIOCSSNAP", errno, p->errbuf); - retv = -1; + return (-1); } - /* Set up the bufmod timeout. */ - if (timeout != 0) { - struct timeval to; - - to.tv_sec = timeout / 1000; - to.tv_usec = (timeout * 1000) % 1000000; + if (p->opt.immediate) { + /* Set the timeout to zero, for immediate delivery. */ + to.tv_sec = 0; + to.tv_usec = 0; if (strioctl(p->fd, SBIOCSTIME, sizeof(to), (char *)&to) != 0) { pcap_stream_err("SBIOCSTIME", errno, p->errbuf); - retv = -1; + return (-1); + } + } else { + /* Set up the bufmod timeout. */ + if (p->opt.timeout != 0) { + to.tv_sec = p->opt.timeout / 1000; + to.tv_usec = (p->opt.timeout * 1000) % 1000000; + if (strioctl(p->fd, SBIOCSTIME, sizeof(to), (char *)&to) != 0) { + pcap_stream_err("SBIOCSTIME", errno, p->errbuf); + return (-1); + } } - } - /* Set the chunk length. */ - chunksize = CHUNKSIZE; - if (strioctl(p->fd, SBIOCSCHUNK, sizeof(chunksize), (char *)&chunksize) - != 0) { - pcap_stream_err("SBIOCSCHUNKP", errno, p->errbuf); - retv = -1; + /* Set the chunk length. */ + chunksize = CHUNKSIZE; + if (strioctl(p->fd, SBIOCSCHUNK, sizeof(chunksize), (char *)&chunksize) + != 0) { + pcap_stream_err("SBIOCSCHUNKP", errno, p->errbuf); + return (-1); + } } - return (retv); + return (0); } #endif /* HAVE_SYS_BUFMOD_H */ |