diff options
Diffstat (limited to 'sys/net/if_vlan.c')
-rw-r--r-- | sys/net/if_vlan.c | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/sys/net/if_vlan.c b/sys/net/if_vlan.c index 315412f..3efc6a2 100644 --- a/sys/net/if_vlan.c +++ b/sys/net/if_vlan.c @@ -53,6 +53,7 @@ #include <sys/sockio.h> #include <sys/sysctl.h> #include <sys/systm.h> +#include <vm/uma.h> #include <net/bpf.h> #include <net/ethernet.h> @@ -101,6 +102,7 @@ SYSCTL_DECL(_net_link); SYSCTL_NODE(_net_link, IFT_L2VLAN, vlan, CTLFLAG_RW, 0, "IEEE 802.1Q VLAN"); SYSCTL_NODE(_net_link_vlan, PF_LINK, link, CTLFLAG_RW, 0, "for consistency"); +static uma_zone_t vlan_zone; /* for vlan packet tags */ static MALLOC_DEFINE(M_VLAN, VLANNAME, "802.1Q Virtual LAN Interface"); static LIST_HEAD(, ifvlan) ifv_list; @@ -217,6 +219,9 @@ vlan_modevent(module_t mod, int type, void *data) case MOD_LOAD: LIST_INIT(&ifv_list); VLAN_LOCK_INIT(); + vlan_zone = uma_zcreate("vlan", + sizeof(struct m_tag)+sizeof(u_int), + NULL, NULL, NULL, NULL, UMA_ALIGN_INT, 0); vlan_input_p = vlan_input; if_clone_attach(&vlan_cloner); break; @@ -225,6 +230,7 @@ vlan_modevent(module_t mod, int type, void *data) vlan_input_p = NULL; while (!LIST_EMPTY(&ifv_list)) vlan_clone_destroy(&LIST_FIRST(&ifv_list)->ifv_if); + uma_zdestroy(vlan_zone); VLAN_LOCK_DESTROY(); break; } @@ -295,6 +301,25 @@ vlan_ifinit(void *foo) } static void +vlan_tag_free(struct m_tag *t) +{ + uma_zfree(vlan_zone, t); +} + +struct m_tag * +vlan_tag_alloc(int flags) +{ + struct m_tag *mtag; + + mtag = uma_zalloc(vlan_zone, flags); + if (mtag) { + m_tag_setup(mtag, MTAG_VLAN, MTAG_VLAN_TAG, sizeof(u_int)); + mtag->m_tag_free = vlan_tag_free; + } + return mtag; +} + +static void vlan_start(struct ifnet *ifp) { struct ifvlan *ifv; @@ -331,10 +356,7 @@ vlan_start(struct ifnet *ifp) * packet tag that holds it. */ if (p->if_capabilities & IFCAP_VLAN_HWTAGGING) { - struct m_tag *mtag = m_tag_alloc(MTAG_VLAN, - MTAG_VLAN_TAG, - sizeof (u_int), - M_NOWAIT); + struct m_tag *mtag = vlan_tag_alloc(M_NOWAIT); if (mtag == NULL) { ifp->if_oerrors++; m_freem(m); |