net/ipv6/ip6mr.c

61 /* Big lock, protecting vif table, mrt cache and mroute socket state.
67 static struct net_device *vif_dev_read(const struct vif_device *vif)
69 	return rcu_dereference(vif->dev);
439 		const struct vif_device *vif = v;
443 		vif_dev = vif_dev_read(vif);
448 			   vif - mrt->vif_table,
449 			   name, vif->bytes_in, vif->pkt_in,
450 			   vif->bytes_out, vif->pkt_out,
451 			   vif->flags);
681 					  struct vif_device *vif,
686 				     vif, vif_dev, vif_index, tb_id,
871 	/* Is vif busy ? */
1512  *	Close the multicast socket, and clear the vif tables etc
1521 	/* Shut down all active vif entries */
1657 	struct mif6ctl vif;
1688 		if (optlen < sizeof(vif))
1690 		if (copy_from_sockptr(&vif, optval, sizeof(vif)))
1692 		if (vif.mif6c_mifi >= MAXMIFS)
1695 		ret = mif6_add(net, mrt, &vif,
1883 	struct vif_device *vif;
1899 		vif = &mrt->vif_table[vr->mifi];
1901 			vr->icount = READ_ONCE(vif->pkt_in);
1902 			vr->ocount = READ_ONCE(vif->pkt_out);
1903 			vr->ibytes = READ_ONCE(vif->bytes_in);
1904 			vr->obytes = READ_ONCE(vif->bytes_out);
1951 	struct vif_device *vif;
1968 		vif = &mrt->vif_table[vr.mifi];
1970 			vr.icount = READ_ONCE(vif->pkt_in);
1971 			vr.ocount = READ_ONCE(vif->pkt_out);
1972 			vr.ibytes = READ_ONCE(vif->bytes_in);
1973 			vr.obytes = READ_ONCE(vif->bytes_out);
2020 	struct vif_device *vif = &mrt->vif_table[vifi];
2026 	vif_dev = vif_dev_read(vif);
2031 	if (vif->flags & MIFF_REGISTER) {
2032 		WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1);
2033 		WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len);
2044 		.flowi6_oif = vif->link,
2069 	WRITE_ONCE(vif->pkt_out, vif->pkt_out + 1);
2070 	WRITE_ONCE(vif->bytes_out, vif->bytes_out + skb->len);
2110 	int vif, ct;
2113 	vif = c->_c.mfc_parent;
2124 		cache_proxy = mr_mfc_find_any_parent(mrt, vif);
2133 	if (rcu_access_pointer(mrt->vif_table[vif].dev) != dev) {
2157 	WRITE_ONCE(mrt->vif_table[vif].pkt_in,
2158 		   mrt->vif_table[vif].pkt_in + 1);
2159 	WRITE_ONCE(mrt->vif_table[vif].bytes_in,
2160 		   mrt->vif_table[vif].bytes_in + skb->len);
2221 	 * Get the proper interface that does have a vif associated with it.
2241 		int vif = ip6mr_find_vif(mrt, dev);
2243 		if (vif >= 0)
2246 						     vif);
2253 		int vif;
2255 		vif = ip6mr_find_vif(mrt, dev);
2256 		if (vif >= 0) {
2257 			int err = ip6mr_cache_unresolved(mrt, vif, skb, dev);
2285 		int vif = ip6mr_find_vif(mrt, skb->dev);
2287 		if (vif >= 0)
2289 						     vif);
2296 		int vif;
2299 		if (!dev || (vif = ip6mr_find_vif(mrt, dev)) < 0) {
2329 		err = ip6mr_cache_unresolved(mrt, vif, skb2, dev);