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Message-ID: <202006022221.WRLp69l5%lkp@intel.com>
Date: Tue, 2 Jun 2020 23:04:46 +0800
From: kbuild test robot <lkp@...el.com>
To: Pascal Terjan <pterjan@...gle.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Larry Finger <Larry.Finger@...inger.net>,
Florian Schilhabel <florian.c.schilhabel@...glemail.com>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Cc: kbuild-all@...ts.01.org, Pascal Terjan <pterjan@...gle.com>
Subject: Re: [PATCH] staging: rtl8712: switch to common ieee80211 headers
Hi Pascal,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on staging/staging-testing]
[also build test ERROR on next-20200602]
[cannot apply to v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Pascal-Terjan/staging-rtl8712-switch-to-common-ieee80211-headers/20200602-042517
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 77f55d1305c11fb729b88f2c3f7881ba0831fa6f
config: i386-randconfig-a011-20200602 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce (this is a W=1 build):
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@...el.com>
All errors (new ones prefixed by >>, old ones prefixed by <<):
ld: drivers/staging/rtl8712/rtl8712_recv.o: in function `amsdu_to_msdu':
>> drivers/staging/rtl8712/rtl8712_recv.c:377: undefined reference to `bridge_tunnel_header'
>> ld: drivers/staging/rtl8712/rtl8712_recv.c:375: undefined reference to `rfc1042_header'
>> ld: drivers/staging/rtl8712/rtl8712_recv.c:377: undefined reference to `bridge_tunnel_header'
>> ld: drivers/staging/rtl8712/rtl8712_recv.c:375: undefined reference to `rfc1042_header'
ld: drivers/staging/rtl8712/rtl871x_recv.o: in function `r8712_wlanhdr_to_ethhdr':
>> drivers/staging/rtl8712/rtl871x_recv.c:603: undefined reference to `rfc1042_header'
>> ld: drivers/staging/rtl8712/rtl871x_recv.c:606: undefined reference to `bridge_tunnel_header'
>> ld: drivers/staging/rtl8712/rtl871x_recv.c:603: undefined reference to `rfc1042_header'
>> ld: drivers/staging/rtl8712/rtl871x_recv.c:606: undefined reference to `bridge_tunnel_header'
vim +377 drivers/staging/rtl8712/rtl8712_recv.c
2865d42c78a912 Larry Finger 2010-08-20 314
fc898688aa37c0 Nishka Dasgupta 2019-08-08 315 static void amsdu_to_msdu(struct _adapter *padapter, union recv_frame *prframe)
2865d42c78a912 Larry Finger 2010-08-20 316 {
2865d42c78a912 Larry Finger 2010-08-20 317 int a_len, padding_len;
2865d42c78a912 Larry Finger 2010-08-20 318 u16 eth_type, nSubframe_Length;
2865d42c78a912 Larry Finger 2010-08-20 319 u8 nr_subframes, i;
b952f4dff27512 yuan linyu 2017-06-18 320 unsigned char *pdata;
2865d42c78a912 Larry Finger 2010-08-20 321 struct rx_pkt_attrib *pattrib;
2865d42c78a912 Larry Finger 2010-08-20 322 _pkt *sub_skb, *subframes[MAX_SUBFRAME_COUNT];
2865d42c78a912 Larry Finger 2010-08-20 323 struct recv_priv *precvpriv = &padapter->recvpriv;
2865d42c78a912 Larry Finger 2010-08-20 324 struct __queue *pfree_recv_queue = &(precvpriv->free_recv_queue);
2865d42c78a912 Larry Finger 2010-08-20 325
2865d42c78a912 Larry Finger 2010-08-20 326 nr_subframes = 0;
2865d42c78a912 Larry Finger 2010-08-20 327 pattrib = &prframe->u.hdr.attrib;
2865d42c78a912 Larry Finger 2010-08-20 328 recvframe_pull(prframe, prframe->u.hdr.attrib.hdrlen);
2865d42c78a912 Larry Finger 2010-08-20 329 if (prframe->u.hdr.attrib.iv_len > 0)
2865d42c78a912 Larry Finger 2010-08-20 330 recvframe_pull(prframe, prframe->u.hdr.attrib.iv_len);
2865d42c78a912 Larry Finger 2010-08-20 331 a_len = prframe->u.hdr.len;
2865d42c78a912 Larry Finger 2010-08-20 332 pdata = prframe->u.hdr.rx_data;
2865d42c78a912 Larry Finger 2010-08-20 333 while (a_len > ETH_HLEN) {
2865d42c78a912 Larry Finger 2010-08-20 334 /* Offset 12 denote 2 mac address */
2865d42c78a912 Larry Finger 2010-08-20 335 nSubframe_Length = *((u16 *)(pdata + 12));
2865d42c78a912 Larry Finger 2010-08-20 336 /*==m==>change the length order*/
2865d42c78a912 Larry Finger 2010-08-20 337 nSubframe_Length = (nSubframe_Length >> 8) +
2865d42c78a912 Larry Finger 2010-08-20 338 (nSubframe_Length << 8);
2865d42c78a912 Larry Finger 2010-08-20 339 if (a_len < (ETHERNET_HEADER_SIZE + nSubframe_Length)) {
87a573ada017b4 Przemo Firszt 2012-12-10 340 netdev_warn(padapter->pnetdev, "r8712u: nRemain_Length is %d and nSubframe_Length is: %d\n",
2865d42c78a912 Larry Finger 2010-08-20 341 a_len, nSubframe_Length);
2865d42c78a912 Larry Finger 2010-08-20 342 goto exit;
2865d42c78a912 Larry Finger 2010-08-20 343 }
2865d42c78a912 Larry Finger 2010-08-20 344 /* move the data point to data content */
2865d42c78a912 Larry Finger 2010-08-20 345 pdata += ETH_HLEN;
2865d42c78a912 Larry Finger 2010-08-20 346 a_len -= ETH_HLEN;
2865d42c78a912 Larry Finger 2010-08-20 347 /* Allocate new skb for releasing to upper layer */
2865d42c78a912 Larry Finger 2010-08-20 348 sub_skb = dev_alloc_skb(nSubframe_Length + 12);
5ca136a0cb96aa Larry Finger 2012-08-28 349 if (!sub_skb)
5ca136a0cb96aa Larry Finger 2012-08-28 350 break;
2865d42c78a912 Larry Finger 2010-08-20 351 skb_reserve(sub_skb, 12);
b952f4dff27512 yuan linyu 2017-06-18 352 skb_put_data(sub_skb, pdata, nSubframe_Length);
2865d42c78a912 Larry Finger 2010-08-20 353 subframes[nr_subframes++] = sub_skb;
2865d42c78a912 Larry Finger 2010-08-20 354 if (nr_subframes >= MAX_SUBFRAME_COUNT) {
87a573ada017b4 Przemo Firszt 2012-12-10 355 netdev_warn(padapter->pnetdev, "r8712u: ParseSubframe(): Too many Subframes! Packets dropped!\n");
2865d42c78a912 Larry Finger 2010-08-20 356 break;
2865d42c78a912 Larry Finger 2010-08-20 357 }
2865d42c78a912 Larry Finger 2010-08-20 358 pdata += nSubframe_Length;
2865d42c78a912 Larry Finger 2010-08-20 359 a_len -= nSubframe_Length;
2865d42c78a912 Larry Finger 2010-08-20 360 if (a_len != 0) {
2865d42c78a912 Larry Finger 2010-08-20 361 padding_len = 4 - ((nSubframe_Length + ETH_HLEN) & 3);
2865d42c78a912 Larry Finger 2010-08-20 362 if (padding_len == 4)
2865d42c78a912 Larry Finger 2010-08-20 363 padding_len = 0;
2865d42c78a912 Larry Finger 2010-08-20 364 if (a_len < padding_len)
2865d42c78a912 Larry Finger 2010-08-20 365 goto exit;
2865d42c78a912 Larry Finger 2010-08-20 366 pdata += padding_len;
2865d42c78a912 Larry Finger 2010-08-20 367 a_len -= padding_len;
2865d42c78a912 Larry Finger 2010-08-20 368 }
2865d42c78a912 Larry Finger 2010-08-20 369 }
2865d42c78a912 Larry Finger 2010-08-20 370 for (i = 0; i < nr_subframes; i++) {
2865d42c78a912 Larry Finger 2010-08-20 371 sub_skb = subframes[i];
2865d42c78a912 Larry Finger 2010-08-20 372 /* convert hdr + possible LLC headers into Ethernet header */
2865d42c78a912 Larry Finger 2010-08-20 373 eth_type = (sub_skb->data[6] << 8) | sub_skb->data[7];
2865d42c78a912 Larry Finger 2010-08-20 374 if (sub_skb->len >= 8 &&
2865d42c78a912 Larry Finger 2010-08-20 @375 ((!memcmp(sub_skb->data, rfc1042_header, SNAP_SIZE) &&
2865d42c78a912 Larry Finger 2010-08-20 376 eth_type != ETH_P_AARP && eth_type != ETH_P_IPX) ||
2865d42c78a912 Larry Finger 2010-08-20 @377 !memcmp(sub_skb->data, bridge_tunnel_header, SNAP_SIZE))) {
2865d42c78a912 Larry Finger 2010-08-20 378 /* remove RFC1042 or Bridge-Tunnel encapsulation and
bef611a92ee2d1 Raphaël Beamonte 2016-09-09 379 * replace EtherType
bef611a92ee2d1 Raphaël Beamonte 2016-09-09 380 */
2865d42c78a912 Larry Finger 2010-08-20 381 skb_pull(sub_skb, SNAP_SIZE);
2865d42c78a912 Larry Finger 2010-08-20 382 memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src,
2865d42c78a912 Larry Finger 2010-08-20 383 ETH_ALEN);
2865d42c78a912 Larry Finger 2010-08-20 384 memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst,
2865d42c78a912 Larry Finger 2010-08-20 385 ETH_ALEN);
2865d42c78a912 Larry Finger 2010-08-20 386 } else {
16b8852fa32106 Jannik Becher 2016-12-20 387 __be16 len;
2865d42c78a912 Larry Finger 2010-08-20 388 /* Leave Ethernet header part of hdr and full payload */
2865d42c78a912 Larry Finger 2010-08-20 389 len = htons(sub_skb->len);
2865d42c78a912 Larry Finger 2010-08-20 390 memcpy(skb_push(sub_skb, 2), &len, 2);
2865d42c78a912 Larry Finger 2010-08-20 391 memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->src,
2865d42c78a912 Larry Finger 2010-08-20 392 ETH_ALEN);
2865d42c78a912 Larry Finger 2010-08-20 393 memcpy(skb_push(sub_skb, ETH_ALEN), pattrib->dst,
2865d42c78a912 Larry Finger 2010-08-20 394 ETH_ALEN);
2865d42c78a912 Larry Finger 2010-08-20 395 }
2865d42c78a912 Larry Finger 2010-08-20 396 /* Indicate the packets to upper layer */
2865d42c78a912 Larry Finger 2010-08-20 397 if (sub_skb) {
2865d42c78a912 Larry Finger 2010-08-20 398 sub_skb->protocol =
2865d42c78a912 Larry Finger 2010-08-20 399 eth_type_trans(sub_skb, padapter->pnetdev);
2865d42c78a912 Larry Finger 2010-08-20 400 sub_skb->dev = padapter->pnetdev;
2865d42c78a912 Larry Finger 2010-08-20 401 if ((pattrib->tcpchk_valid == 1) &&
2865d42c78a912 Larry Finger 2010-08-20 402 (pattrib->tcp_chkrpt == 1)) {
2865d42c78a912 Larry Finger 2010-08-20 403 sub_skb->ip_summed = CHECKSUM_UNNECESSARY;
168a2c10288d78 Luis de Bethencourt 2015-10-19 404 } else {
2865d42c78a912 Larry Finger 2010-08-20 405 sub_skb->ip_summed = CHECKSUM_NONE;
168a2c10288d78 Luis de Bethencourt 2015-10-19 406 }
2865d42c78a912 Larry Finger 2010-08-20 407 netif_rx(sub_skb);
2865d42c78a912 Larry Finger 2010-08-20 408 }
2865d42c78a912 Larry Finger 2010-08-20 409 }
2865d42c78a912 Larry Finger 2010-08-20 410 exit:
2865d42c78a912 Larry Finger 2010-08-20 411 prframe->u.hdr.len = 0;
2865d42c78a912 Larry Finger 2010-08-20 412 r8712_free_recvframe(prframe, pfree_recv_queue);
2865d42c78a912 Larry Finger 2010-08-20 413 }
2865d42c78a912 Larry Finger 2010-08-20 414
:::::: The code at line 377 was first introduced by commit
:::::: 2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef staging: r8712u: Add the new driver to the mainline kernel
:::::: TO: Larry Finger <Larry.Finger@...inger.net>
:::::: CC: Larry Finger <Larry.Finger@...inger.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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