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Code Issues Releases Activity

Simplify ipsec_bpf by using bpf_mtap2().

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This commit is contained in:
Andrew Thompson 2006-06-27 01:53:12 +00:00
parent a04de8fa95
commit f0ac1eedd5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=159969
1 changed files with 2 additions and 9 deletions
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11
sys/net/if_enc.c
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@ -63,7 +63,6 @@
#include <netipsec/ipsec.h>
#define ENCMTU (1024+512)
#define ENC_HDRLEN 12
/* XXX this define must have the same value as in OpenBSD */
#define M_CONF 0x0400 /* payload was encrypted (ESP-transport) */
@ -132,7 +131,7 @@ enc_clone_create(struct if_clone *ifc, int unit)
ifp->if_snd.ifq_maxlen = ifqmaxlen;
ifp->if_softc = sc;
if_attach(ifp);
bpfattach(ifp, DLT_ENC, ENC_HDRLEN);
bpfattach(ifp, DLT_ENC, sizeof(struct enchdr));
mtx_lock(&enc_mtx);
encif = ifp;
@ -284,7 +283,6 @@ ipsec_bpf(struct mbuf *m, struct secasvar *sav, int af)
{
int flags;
struct enchdr hdr;
struct mbuf m1;
KASSERT(sav != NULL, ("%s: sav is null", __func__));
@ -312,12 +310,7 @@ ipsec_bpf(struct mbuf *m, struct secasvar *sav, int af)
hdr.spi = sav->spi;
hdr.flags = flags;
m1.m_flags = 0;
m1.m_next = m;
m1.m_len = ENC_HDRLEN;
m1.m_data = (char *) &hdr;
bpf_mtap(encif->if_bpf, &m1);
bpf_mtap2(encif->if_bpf, &hdr, sizeof(hdr), m);
}
mtx_unlock(&enc_mtx);
}