xnu-7195.60.75.tar.gz

[apple/xnu.git] / bsd / sys / mbuf.h

diff --git a/bsd/sys/mbuf.h b/bsd/sys/mbuf.h
index 75369750d339bfb89e80320c74b2d2d809bf5d28..0e8be447e685946c3d8ba9eaf8a14991564d841a 100644 (file)
--- a/bsd/sys/mbuf.h
+++ b/bsd/sys/mbuf.h
@@ -615,6 +615,7 @@ struct mbuf {
 #define m_dat           M_dat.M_databuf
 #define m_pktlen(_m)    ((_m)->m_pkthdr.len)
 #define m_pftag(_m)     (&(_m)->m_pkthdr.builtin_mtag._net_mtag._pf_mtag)
+#define m_necptag(_m)   (&(_m)->m_pkthdr.builtin_mtag._net_mtag._necp_mtag)
 
 /* mbuf flags (private) */
 #define M_EXT           0x0001  /* has associated external storage */
@@ -814,6 +815,8 @@ union m16kcluster {
 
 #define M_COPY_PFTAG(to, from)          m_copy_pftag(to, from)
 
+#define M_COPY_NECPTAG(to, from)        m_copy_necptag(to, from)
+
 #define M_COPY_CLASSIFIER(to, from)     m_copy_classifier(to, from)
 
 /*
@@ -1276,6 +1279,8 @@ extern struct mbuf *m_prepend_2(struct mbuf *, int, int, int);
 extern struct mbuf *m_pullup(struct mbuf *, int);
 extern struct mbuf *m_split(struct mbuf *, int, int);
 extern void m_mclfree(caddr_t p);
+extern int mbuf_get_class(struct mbuf *m);
+extern bool mbuf_class_under_pressure(struct mbuf *m);
 
 /*
  * On platforms which require strict alignment (currently for anything but
@@ -1434,6 +1439,7 @@ __private_extern__ caddr_t m_mclalloc(int);
 __private_extern__ int m_mclhasreference(struct mbuf *);
 __private_extern__ void m_copy_pkthdr(struct mbuf *, struct mbuf *);
 __private_extern__ void m_copy_pftag(struct mbuf *, struct mbuf *);
+__private_extern__ void m_copy_necptag(struct mbuf *, struct mbuf *);
 __private_extern__ void m_copy_classifier(struct mbuf *, struct mbuf *);
 
 __private_extern__ struct mbuf *m_dtom(void *);