Hi Roopa, [auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Roopa-Prabhu/bridge-neigh-msg-proxy-and-flood-suppression-support/20171003-124610 config: tile-allyesconfig (attached as .config) compiler: tilegx-linux-gcc (GCC) 4.6.2 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=tile All errors (new ones prefixed by >>): net/bridge/br_arp_nd_proxy.c: In function 'br_nd_send': >> net/bridge/br_arp_nd_proxy.c:310:2: error: implicit declaration of function >> 'csum_ipv6_magic' cc1: some warnings being treated as errors vim +/csum_ipv6_magic +310 net/bridge/br_arp_nd_proxy.c 232 233 static void br_nd_send(struct net_bridge_port *p, struct sk_buff *request, 234 struct neighbour *n, __be16 vlan_proto, u16 vlan_tci, 235 struct nd_msg *ns) 236 { 237 struct net_device *dev = request->dev; 238 struct sk_buff *reply; 239 struct nd_msg *na; 240 struct ipv6hdr *pip6; 241 u8 *daddr; 242 int na_olen = 8; /* opt hdr + ETH_ALEN for target */ 243 int ns_olen; 244 int i, len; 245 246 if (!dev) 247 return; 248 249 len = LL_RESERVED_SPACE(dev) + sizeof(struct ipv6hdr) + 250 sizeof(*na) + na_olen + dev->needed_tailroom; 251 252 reply = alloc_skb(len, GFP_ATOMIC); 253 if (!reply) 254 return; 255 256 reply->protocol = htons(ETH_P_IPV6); 257 reply->dev = dev; 258 skb_reserve(reply, LL_RESERVED_SPACE(dev)); 259 skb_push(reply, sizeof(struct ethhdr)); 260 skb_set_mac_header(reply, 0); 261 262 daddr = eth_hdr(request)->h_source; 263 264 /* Do we need option processing ? */ 265 ns_olen = request->len - (skb_network_offset(request) + 266 sizeof(struct ipv6hdr)) - sizeof(*ns); 267 for (i = 0; i < ns_olen - 1; i += (ns->opt[i + 1] << 3)) { 268 if (ns->opt[i] == ND_OPT_SOURCE_LL_ADDR) { 269 daddr = ns->opt + i + sizeof(struct nd_opt_hdr); 270 break; 271 } 272 } 273 274 /* Ethernet header */ 275 ether_addr_copy(eth_hdr(reply)->h_dest, daddr); 276 ether_addr_copy(eth_hdr(reply)->h_source, n->ha); 277 eth_hdr(reply)->h_proto = htons(ETH_P_IPV6); 278 reply->protocol = htons(ETH_P_IPV6); 279 280 skb_pull(reply, sizeof(struct ethhdr)); 281 skb_set_network_header(reply, 0); 282 skb_put(reply, sizeof(struct ipv6hdr)); 283 284 /* IPv6 header */ 285 pip6 = ipv6_hdr(reply); 286 memset(pip6, 0, sizeof(struct ipv6hdr)); 287 pip6->version = 6; 288 pip6->priority = ipv6_hdr(request)->priority; 289 pip6->nexthdr = IPPROTO_ICMPV6; 290 pip6->hop_limit = 255; 291 pip6->daddr = ipv6_hdr(request)->saddr; 292 pip6->saddr = *(struct in6_addr *)n->primary_key; 293 294 skb_pull(reply, sizeof(struct ipv6hdr)); 295 skb_set_transport_header(reply, 0); 296 297 na = (struct nd_msg *)skb_put(reply, sizeof(*na) + na_olen); 298 299 /* Neighbor Advertisement */ 300 memset(na, 0, sizeof(*na) + na_olen); 301 na->icmph.icmp6_type = NDISC_NEIGHBOUR_ADVERTISEMENT; 302 na->icmph.icmp6_router = 0; /* XXX: should be 1 ? */ 303 na->icmph.icmp6_override = 1; 304 na->icmph.icmp6_solicited = 1; 305 na->target = ns->target; 306 ether_addr_copy(&na->opt[2], n->ha); 307 na->opt[0] = ND_OPT_TARGET_LL_ADDR; 308 na->opt[1] = na_olen >> 3; 309 > 310 na->icmph.icmp6_cksum = csum_ipv6_magic(&pip6->saddr, 311 &pip6->daddr, 312 sizeof(*na) + na_olen, 313 IPPROTO_ICMPV6, 314 csum_partial(na, sizeof(*na) + na_olen, 0)); 315 316 pip6->payload_len = htons(sizeof(*na) + na_olen); 317 318 skb_push(reply, sizeof(struct ipv6hdr)); 319 skb_push(reply, sizeof(struct ethhdr)); 320 321 reply->ip_summed = CHECKSUM_UNNECESSARY; 322 323 if (p) { 324 struct net_bridge_vlan_group *vg; 325 u16 pvid; 326 327 vg = nbp_vlan_group_rcu(p); 328 pvid = br_get_pvid(vg); 329 if (pvid && pvid == vlan_tci) 330 vlan_tci = 0; 331 } 332 333 if (vlan_tci != 0) { 334 reply = vlan_insert_tag_set_proto(reply, vlan_proto, vlan_tci); 335 if (!reply) { 336 net_err_ratelimited("evpn: failed to insert VLAN tag\n"); 337 return; 338 } 339 } 340 341 netdev_dbg(dev, "nd send dev %s dst %pI6 dst_hw %pM src %pI6 src_hw %pM\n", 342 dev->name, &pip6->daddr, daddr, &pip6->saddr, n->ha); 343 344 dev_queue_xmit(reply); 345 } 346 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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