Author: glebius
Date: Thu Mar 14 22:20:48 2019
New Revision: 345160
URL: https://svnweb.freebsd.org/changeset/base/345160
Log:
Simplify ipfw_bpf_mtap2(). No functional change.
Modified:
head/sys/netpfil/ipfw/ip_fw_bpf.c
Modified: head/sys/netpfil/ipfw/ip_fw_bpf.c
==============================================================================
--- head/sys/netpfil/ipfw/ip_fw_bpf.c Thu Mar 14 22:08:09 2019
(r345159)
+++ head/sys/netpfil/ipfw/ip_fw_bpf.c Thu Mar 14 22:20:48 2019
(r345160)
@@ -163,22 +163,27 @@ ipfwlog_clone_create(struct if_clone *ifc, int unit, c
void
ipfw_bpf_mtap2(void *data, u_int dlen, struct mbuf *m)
{
+ struct ifnet *logif;
LOGIF_RLOCK_TRACKER;
LOGIF_RLOCK();
- if (dlen == ETHER_HDR_LEN) {
- if (V_log_if == NULL) {
- LOGIF_RUNLOCK();
- return;
- }
- BPF_MTAP2(V_log_if, data, dlen, m);
- } else if (dlen == PFLOG_HDRLEN) {
- if (V_pflog_if == NULL) {
- LOGIF_RUNLOCK();
- return;
- }
- BPF_MTAP2(V_pflog_if, data, dlen, m);
+ switch (dlen) {
+ case (ETHER_HDR_LEN):
+ logif = V_log_if;
+ break;
+ case (PFLOG_HDRLEN):
+ logif = V_pflog_if;
+ break;
+ default:
+#ifdef INVARIANTS
+ panic("%s: unsupported len %d", __func__, dlen);
+#endif
+ logif = NULL;
}
+
+ if (logif != NULL)
+ BPF_MTAP2(logif, data, dlen, m);
+
LOGIF_RUNLOCK();
}
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