^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Authors:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * (C) 2016 Pengutronix, Alexander Aring <aar@pengutronix.de>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <net/6lowpan.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <net/addrconf.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <net/ndisc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "6lowpan_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) static int lowpan_ndisc_is_useropt(u8 nd_opt_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) return nd_opt_type == ND_OPT_6CO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #if IS_ENABLED(CONFIG_IEEE802154_6LOWPAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define NDISC_802154_SHORT_ADDR_LENGTH 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static int lowpan_ndisc_parse_802154_options(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct nd_opt_hdr *nd_opt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) struct ndisc_options *ndopts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) switch (nd_opt->nd_opt_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) case NDISC_802154_SHORT_ADDR_LENGTH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) if (ndopts->nd_802154_opt_array[nd_opt->nd_opt_type])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) ND_PRINTK(2, warn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) "%s: duplicated short addr ND6 option found: type=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) __func__, nd_opt->nd_opt_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) ndopts->nd_802154_opt_array[nd_opt->nd_opt_type] = nd_opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) /* all others will be handled by ndisc IPv6 option parsing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int lowpan_ndisc_parse_options(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct nd_opt_hdr *nd_opt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct ndisc_options *ndopts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) switch (nd_opt->nd_opt_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) case ND_OPT_SOURCE_LL_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) case ND_OPT_TARGET_LL_ADDR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return lowpan_ndisc_parse_802154_options(dev, nd_opt, ndopts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static void lowpan_ndisc_802154_update(struct neighbour *n, u32 flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) u8 icmp6_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) const struct ndisc_options *ndopts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct lowpan_802154_neigh *neigh = lowpan_802154_neigh(neighbour_priv(n));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) u8 *lladdr_short = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) switch (icmp6_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) case NDISC_ROUTER_SOLICITATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) case NDISC_ROUTER_ADVERTISEMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) case NDISC_NEIGHBOUR_SOLICITATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) if (ndopts->nd_802154_opts_src_lladdr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) lladdr_short = __ndisc_opt_addr_data(ndopts->nd_802154_opts_src_lladdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) IEEE802154_SHORT_ADDR_LEN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (!lladdr_short) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) ND_PRINTK(2, warn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) "NA: invalid short link-layer address length\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) case NDISC_REDIRECT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) case NDISC_NEIGHBOUR_ADVERTISEMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (ndopts->nd_802154_opts_tgt_lladdr) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) lladdr_short = __ndisc_opt_addr_data(ndopts->nd_802154_opts_tgt_lladdr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) IEEE802154_SHORT_ADDR_LEN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (!lladdr_short) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) ND_PRINTK(2, warn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) "NA: invalid short link-layer address length\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) write_lock_bh(&n->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) if (lladdr_short) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) ieee802154_be16_to_le16(&neigh->short_addr, lladdr_short);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (!lowpan_802154_is_valid_src_short_addr(neigh->short_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) neigh->short_addr = cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) write_unlock_bh(&n->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static void lowpan_ndisc_update(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) struct neighbour *n, u32 flags, u8 icmp6_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) const struct ndisc_options *ndopts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) /* react on overrides only. TODO check if this is really right. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (flags & NEIGH_UPDATE_F_OVERRIDE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) lowpan_ndisc_802154_update(n, flags, icmp6_type, ndopts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) static int lowpan_ndisc_opt_addr_space(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) u8 icmp6_type, struct neighbour *neigh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) u8 *ha_buf, u8 **ha)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct lowpan_802154_neigh *n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) struct wpan_dev *wpan_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) int addr_space = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) switch (icmp6_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) case NDISC_REDIRECT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) n = lowpan_802154_neigh(neighbour_priv(neigh));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) read_lock_bh(&neigh->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (lowpan_802154_is_valid_src_short_addr(n->short_addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) memcpy(ha_buf, &n->short_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) IEEE802154_SHORT_ADDR_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) read_unlock_bh(&neigh->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) addr_space += __ndisc_opt_addr_space(IEEE802154_SHORT_ADDR_LEN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) *ha = ha_buf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) read_unlock_bh(&neigh->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) case NDISC_NEIGHBOUR_ADVERTISEMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) case NDISC_NEIGHBOUR_SOLICITATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) case NDISC_ROUTER_SOLICITATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) wpan_dev = lowpan_802154_dev(dev)->wdev->ieee802154_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (lowpan_802154_is_valid_src_short_addr(wpan_dev->short_addr))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) addr_space = __ndisc_opt_addr_space(IEEE802154_SHORT_ADDR_LEN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) return addr_space;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) static void lowpan_ndisc_fill_addr_option(const struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) struct sk_buff *skb, u8 icmp6_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) const u8 *ha)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) struct wpan_dev *wpan_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) __be16 short_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) u8 opt_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) if (!lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) switch (icmp6_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) case NDISC_REDIRECT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) if (ha) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) ieee802154_le16_to_be16(&short_addr, ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) __ndisc_fill_addr_option(skb, ND_OPT_TARGET_LL_ADDR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) &short_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) IEEE802154_SHORT_ADDR_LEN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) case NDISC_NEIGHBOUR_ADVERTISEMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) opt_type = ND_OPT_TARGET_LL_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) case NDISC_ROUTER_SOLICITATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) case NDISC_NEIGHBOUR_SOLICITATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) opt_type = ND_OPT_SOURCE_LL_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) wpan_dev = lowpan_802154_dev(dev)->wdev->ieee802154_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (lowpan_802154_is_valid_src_short_addr(wpan_dev->short_addr)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) ieee802154_le16_to_be16(&short_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) &wpan_dev->short_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) __ndisc_fill_addr_option(skb, opt_type, &short_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) IEEE802154_SHORT_ADDR_LEN, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) static void lowpan_ndisc_prefix_rcv_add_addr(struct net *net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) const struct prefix_info *pinfo,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct inet6_dev *in6_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) struct in6_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) int addr_type, u32 addr_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) bool sllao, bool tokenized,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) __u32 valid_lft,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) u32 prefered_lft,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) bool dev_addr_generated)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) /* generates short based address for RA PIO's */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) if (lowpan_is_ll(dev, LOWPAN_LLTYPE_IEEE802154) && dev_addr_generated &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) !addrconf_ifid_802154_6lowpan(addr->s6_addr + 8, dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) err = addrconf_prefix_rcv_add_addr(net, dev, pinfo, in6_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) addr, addr_type, addr_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) sllao, tokenized, valid_lft,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) prefered_lft);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) ND_PRINTK(2, warn,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) "RA: could not add a short address based address for prefix: %pI6c\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) &pinfo->prefix);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) const struct ndisc_ops lowpan_ndisc_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .is_useropt = lowpan_ndisc_is_useropt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #if IS_ENABLED(CONFIG_IEEE802154_6LOWPAN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .parse_options = lowpan_ndisc_parse_options,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .update = lowpan_ndisc_update,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .opt_addr_space = lowpan_ndisc_opt_addr_space,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .fill_addr_option = lowpan_ndisc_fill_addr_option,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .prefix_rcv_add_addr = lowpan_ndisc_prefix_rcv_add_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) };
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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