88  * Retrieve the label associated with an mbuf by searching for the tag.
89  * Depending on the value of mac_labelmbufs, it's possible that a label will
91  * possibility of an mbuf not having label storage if they do not enforce
94 struct label *
98 	struct label *label;  in mac_mbuf_to_label()  local
105 	label = (struct label *)(tag+1);  in mac_mbuf_to_label()
106 	return (label);  in mac_mbuf_to_label()
109 static struct label *
112 	struct label *label;  in mac_bpfdesc_label_alloc()  local
114 	label = mac_labelzone_alloc(M_WAITOK);  in mac_bpfdesc_label_alloc()
115 	MAC_POLICY_PERFORM(bpfdesc_init_label, label);  in mac_bpfdesc_label_alloc()
116 	return (label);  in mac_bpfdesc_label_alloc()
129 static struct label *
132 	struct label *label;  in mac_ifnet_label_alloc()  local
134 	label = mac_labelzone_alloc(M_WAITOK);  in mac_ifnet_label_alloc()
135 	MAC_POLICY_PERFORM(ifnet_init_label, label);  in mac_ifnet_label_alloc()
136 	return (label);  in mac_ifnet_label_alloc()
152 	struct label *label;  in mac_mbuf_tag_init()  local
155 	label = (struct label *) (tag + 1);  in mac_mbuf_tag_init()
156 	mac_init_label(label);  in mac_mbuf_tag_init()
159 		MAC_POLICY_CHECK(mbuf_init_label, label, flag);  in mac_mbuf_tag_init()
161 		MAC_POLICY_CHECK_NOSLEEP(mbuf_init_label, label, flag);  in mac_mbuf_tag_init()
163 		MAC_POLICY_PERFORM_NOSLEEP(mbuf_destroy_label, label);  in mac_mbuf_tag_init()
164 		mac_destroy_label(label);  in mac_mbuf_tag_init()
178 		tag = m_tag_get(PACKET_TAG_MACLABEL, sizeof(struct label),  in mac_mbuf_init()
193 mac_bpfdesc_label_free(struct label *label)  in mac_bpfdesc_label_free()  argument
196 	MAC_POLICY_PERFORM_NOSLEEP(bpfdesc_destroy_label, label);  in mac_bpfdesc_label_free()
197 	mac_labelzone_free(label);  in mac_bpfdesc_label_free()
211 mac_ifnet_label_free(struct label *label)  in mac_ifnet_label_free()  argument
214 	MAC_POLICY_PERFORM_NOSLEEP(ifnet_destroy_label, label);  in mac_ifnet_label_free()
215 	mac_labelzone_free(label);  in mac_ifnet_label_free()
221 	struct label *label = if_getmaclabel(ifp);  in mac_ifnet_destroy()  local
222 	if (label != NULL) {  in mac_ifnet_destroy()
223 		mac_ifnet_label_free(label);  in mac_ifnet_destroy()
231 	struct label *label;  in mac_mbuf_tag_destroy()  local
233 	label = (struct label *)(tag+1);  in mac_mbuf_tag_destroy()
235 	MAC_POLICY_PERFORM_NOSLEEP(mbuf_destroy_label, label);  in mac_mbuf_tag_destroy()
236 	mac_destroy_label(label);  in mac_mbuf_tag_destroy()
246 	struct label *src_label, *dest_label;  in mac_mbuf_tag_copy()
248 	src_label = (struct label *)(src+1);  in mac_mbuf_tag_copy()
249 	dest_label = (struct label *)(dest+1);  in mac_mbuf_tag_copy()
261 	struct label *src_label, *dest_label;  in mac_mbuf_copy()
273 mac_ifnet_copy_label(struct label *src, struct label *dest)  in mac_ifnet_copy_label()
280 mac_ifnet_externalize_label(struct label *label, char *elements,  in mac_ifnet_externalize_label()  argument
285 	MAC_POLICY_EXTERNALIZE(ifnet, label, elements, outbuf, outbuflen);  in mac_ifnet_externalize_label()
291 mac_ifnet_internalize_label(struct label *label, char *string)  in mac_ifnet_internalize_label()  argument
295 	MAC_POLICY_INTERNALIZE(ifnet, label, string);  in mac_ifnet_internalize_label()
323 	struct label *label;  in mac_bpfdesc_create_mbuf()  local
331 	label = mac_mbuf_to_label(m);  in mac_bpfdesc_create_mbuf()
334 	    label);  in mac_bpfdesc_create_mbuf()
340 	struct label *label;  in mac_ifnet_create_mbuf_impl()  local
343 	label = mac_mbuf_to_label(m);  in mac_ifnet_create_mbuf_impl()
347 	    label);  in mac_ifnet_create_mbuf_impl()
380 	struct label *label;  in mac_ifnet_check_transmit_impl()  local
385 	label = mac_mbuf_to_label(m);  in mac_ifnet_check_transmit_impl()
389 	    label);  in mac_ifnet_check_transmit_impl()
401 	struct label *intlabel;  in mac_ifnet_ioctl_get()
443 	struct label *intlabel;  in mac_ifnet_ioctl_set()