svn commit: r345659 - head/sys/net

[John Baldwin]

Author: jhb
Date: Thu Mar 28 21:00:54 2019
New Revision: 345659
URL: https://svnweb.freebsd.org/changeset/base/345659

Log:
  Use a dedicated malloc type for lagg(4)'s structures.
  
  Reviewed by:	gallatin
  MFC after:	1 month
  Sponsored by:	Netflix
  Differential Revision:	https://reviews.freebsd.org/D19719

Modified:
  head/sys/net/if_lagg.c

Modified: head/sys/net/if_lagg.c
==============================================================================
--- head/sys/net/if_lagg.c	Thu Mar 28 20:46:45 2019	(r345658)
+++ head/sys/net/if_lagg.c	Thu Mar 28 21:00:54 2019	(r345659)
@@ -111,6 +111,7 @@ static void	lagg_clone_destroy(struct ifnet *);
 VNET_DEFINE_STATIC(struct if_clone *, lagg_cloner);
 #define	V_lagg_cloner	VNET(lagg_cloner)
 static const char laggname[] = "lagg";
+static MALLOC_DEFINE(M_LAGG, laggname, "802.3AD Link Aggregation Interface");
 
 static void	lagg_capabilities(struct lagg_softc *);
 static int	lagg_port_create(struct lagg_softc *, struct ifnet *);
@@ -479,10 +480,10 @@ lagg_clone_create(struct if_clone *ifc, int unit, cadd
 	struct ifnet *ifp;
 	static const u_char eaddr[6];	/* 00:00:00:00:00:00 */
 
-	sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK|M_ZERO);
+	sc = malloc(sizeof(*sc), M_LAGG, M_WAITOK|M_ZERO);
 	ifp = sc->sc_ifp = if_alloc(IFT_ETHER);
 	if (ifp == NULL) {
-		free(sc, M_DEVBUF);
+		free(sc, M_LAGG);
 		return (ENOSPC);
 	}
 	LAGG_SX_INIT(sc);
@@ -570,7 +571,7 @@ lagg_clone_destroy(struct ifnet *ifp)
 	LAGG_LIST_UNLOCK();
 
 	LAGG_SX_DESTROY(sc);
-	free(sc, M_DEVBUF);
+	free(sc, M_LAGG);
 }
 
 static void
@@ -684,7 +685,7 @@ lagg_port_create(struct lagg_softc *sc, struct ifnet *
 		ifr.ifr_mtu = oldmtu;
 	}
 
-	lp = malloc(sizeof(struct lagg_port), M_DEVBUF, M_WAITOK|M_ZERO);
+	lp = malloc(sizeof(struct lagg_port), M_LAGG, M_WAITOK|M_ZERO);
 	lp->lp_softc = sc;
 
 	/* Check if port is a stacked lagg */
@@ -692,7 +693,7 @@ lagg_port_create(struct lagg_softc *sc, struct ifnet *
 	SLIST_FOREACH(sc_ptr, &V_lagg_list, sc_entries) {
 		if (ifp == sc_ptr->sc_ifp) {
 			LAGG_LIST_UNLOCK();
-			free(lp, M_DEVBUF);
+			free(lp, M_LAGG);
 			if (oldmtu != -1)
 				(*ifp->if_ioctl)(ifp, SIOCSIFMTU,
 				    (caddr_t)&ifr);
@@ -703,7 +704,7 @@ lagg_port_create(struct lagg_softc *sc, struct ifnet *
 			if (lagg_port_checkstacking(sc_ptr) >=
 			    LAGG_MAX_STACKING) {
 				LAGG_LIST_UNLOCK();
-				free(lp, M_DEVBUF);
+				free(lp, M_LAGG);
 				if (oldmtu != -1)
 					(*ifp->if_ioctl)(ifp, SIOCSIFMTU,
 					    (caddr_t)&ifr);
@@ -812,7 +813,7 @@ lagg_port_destroy_cb(epoch_context_t ec)
 	ifp = lp->lp_ifp;
 
 	if_rele(ifp);
-	free(lp, M_DEVBUF);
+	free(lp, M_LAGG);
 }
 
 static int
@@ -1600,7 +1601,7 @@ lagg_setmulti(struct lagg_port *lp)
 	CK_STAILQ_FOREACH(ifma, &scifp->if_multiaddrs, ifma_link) {
 		if (ifma->ifma_addr->sa_family != AF_LINK)
 			continue;
-		mc = malloc(sizeof(struct lagg_mc), M_DEVBUF, M_NOWAIT);
+		mc = malloc(sizeof(struct lagg_mc), M_LAGG, M_NOWAIT);
 		if (mc == NULL) {
 			IF_ADDR_WUNLOCK(scifp);
 			return (ENOMEM);
@@ -1631,7 +1632,7 @@ lagg_clrmulti(struct lagg_port *lp)
 		SLIST_REMOVE(&lp->lp_mc_head, mc, lagg_mc, mc_entries);
 		if (mc->mc_ifma && lp->lp_detaching == 0)
 			if_delmulti_ifma(mc->mc_ifma);
-		free(mc, M_DEVBUF);
+		free(mc, M_LAGG);
 	}
 	return (0);
 }
@@ -2077,7 +2078,7 @@ lagg_lb_attach(struct lagg_softc *sc)
 	struct lagg_lb *lb;
 
 	LAGG_XLOCK_ASSERT(sc);
-	lb = malloc(sizeof(struct lagg_lb), M_DEVBUF, M_WAITOK | M_ZERO);
+	lb = malloc(sizeof(struct lagg_lb), M_LAGG, M_WAITOK | M_ZERO);
 	lb->lb_key = m_ether_tcpip_hash_init();
 	sc->sc_psc = lb;
 
@@ -2092,7 +2093,7 @@ lagg_lb_detach(struct lagg_softc *sc)
 
 	lb = (struct lagg_lb *)sc->sc_psc;
 	if (lb != NULL)
-		free(lb, M_DEVBUF);
+		free(lb, M_LAGG);
 }
 
 static int