2 p.m.
Hi Markus,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on mac80211-next/master]
[also build test WARNING on mac80211/master v5.10-rc7 next-20201210]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url:
https://github.com/0day-ci/linux/commits/Markus-Theil/mac80211-enable-QoS...
base: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git master
config: riscv-randconfig-r003-20201210 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
1968804ac726e7674d5de22bc2204b45857da344)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
#
https://github.com/0day-ci/linux/commit/514b314825e19f7075eb375b3effa93ff...
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review
Markus-Theil/mac80211-enable-QoS-support-for-nl80211-ctrl-port/20201210-065717
git checkout 514b314825e19f7075eb375b3effa93ff0f6a16e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:556:9: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
return inb(addr);
^~~~~~~~~
arch/riscv/include/asm/io.h:55:76: note: expanded from macro 'inb'
#define inb(c) ({ u8 __v; __io_pbr(); __v = readb_cpu((void*)(PCI_IOBASE +
(c))); __io_par(__v); __v; })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:87:48: note: expanded from macro 'readb_cpu'
#define readb_cpu(c) ({ u8 __r = __raw_readb(c); __r; })
^
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:564:9: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
return inw(addr);
^~~~~~~~~
arch/riscv/include/asm/io.h:56:76: note: expanded from macro 'inw'
#define inw(c) ({ u16 __v; __io_pbr(); __v = readw_cpu((void*)(PCI_IOBASE +
(c))); __io_par(__v); __v; })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:88:76: note: expanded from macro 'readw_cpu'
#define readw_cpu(c) ({ u16 __r = le16_to_cpu((__force
__le16)__raw_readw(c)); __r; })
^
include/uapi/linux/byteorder/little_endian.h:36:51: note: expanded from macro
'__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:572:9: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
return inl(addr);
^~~~~~~~~
arch/riscv/include/asm/io.h:57:76: note: expanded from macro 'inl'
#define inl(c) ({ u32 __v; __io_pbr(); __v = readl_cpu((void*)(PCI_IOBASE +
(c))); __io_par(__v); __v; })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:89:76: note: expanded from macro 'readl_cpu'
#define readl_cpu(c) ({ u32 __r = le32_to_cpu((__force
__le32)__raw_readl(c)); __r; })
^
include/uapi/linux/byteorder/little_endian.h:34:51: note: expanded from macro
'__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:580:2: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
outb(value, addr);
^~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:59:68: note: expanded from macro 'outb'
#define outb(v,c) ({ __io_pbw(); writeb_cpu((v),(void*)(PCI_IOBASE + (c)));
__io_paw(); })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:91:52: note: expanded from macro 'writeb_cpu'
#define writeb_cpu(v, c) ((void)__raw_writeb((v), (c)))
^
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:588:2: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
outw(value, addr);
^~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:60:68: note: expanded from macro 'outw'
#define outw(v,c) ({ __io_pbw(); writew_cpu((v),(void*)(PCI_IOBASE + (c)));
__io_paw(); })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:92:76: note: expanded from macro 'writew_cpu'
#define writew_cpu(v, c) ((void)__raw_writew((__force u16)cpu_to_le16(v), (c)))
^
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:596:2: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
outl(value, addr);
^~~~~~~~~~~~~~~~~
arch/riscv/include/asm/io.h:61:68: note: expanded from macro 'outl'
#define outl(v,c) ({ __io_pbw(); writel_cpu((v),(void*)(PCI_IOBASE + (c)));
__io_paw(); })
~~~~~~~~~~ ^
arch/riscv/include/asm/mmio.h:93:76: note: expanded from macro 'writel_cpu'
#define writel_cpu(v, c) ((void)__raw_writel((__force u32)cpu_to_le32(v), (c)))
^
In file included from net/mac80211/tx.c:15:
In file included from include/linux/skbuff.h:31:
In file included from include/linux/dma-mapping.h:10:
In file included from include/linux/scatterlist.h:9:
In file included from arch/riscv/include/asm/io.h:149:
include/asm-generic/io.h:1005:55: warning: performing pointer arithmetic on a null
pointer has undefined behavior [-Wnull-pointer-arithmetic]
return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
~~~~~~~~~~ ^
> net/mac80211/tx.c:1206:6: warning: logical not is only applied to
the left hand side of this bitwise operator [-Wlogical-not-parentheses]
!info->flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
^ ~
net/mac80211/tx.c:1206:6: note: add parentheses after the '!' to evaluate the
bitwise operator first
!info->flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
^
( )
net/mac80211/tx.c:1206:6: note: add parentheses around left hand side expression to
silence this warning
!info->flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
^
( )
8 warnings generated.
/tmp/tx-d90b1d.s: Assembler messages:
/tmp/tx-d90b1d.s:1816: Error: unrecognized opcode `zext.b a1,s11'
/tmp/tx-d90b1d.s:1847: Error: unrecognized opcode `zext.b a3,a3'
/tmp/tx-d90b1d.s:2975: Error: unrecognized opcode `zext.b a1,s5'
/tmp/tx-d90b1d.s:3936: Error: unrecognized opcode `zext.b a2,a0'
/tmp/tx-d90b1d.s:4278: Error: unrecognized opcode `zext.b a0,a0'
/tmp/tx-d90b1d.s:4557: Error: unrecognized opcode `zext.b a1,a1'
/tmp/tx-d90b1d.s:5316: Error: unrecognized opcode `zext.b a0,a0'
/tmp/tx-d90b1d.s:9203: Error: unrecognized opcode `zext.b a0,s1'
/tmp/tx-d90b1d.s:9251: Error: unrecognized opcode `zext.b a0,s1'
/tmp/tx-d90b1d.s:9912: Error: unrecognized opcode `zext.b a1,a0'
/tmp/tx-d90b1d.s:9985: Error: unrecognized opcode `zext.b a1,a0'
clang-12: error: assembler command failed with exit code 1 (use -v to see invocation)
vim +1206 net/mac80211/tx.c
1156
1157 /*
1158 * initialises @tx
1159 * pass %NULL for the station if unknown, a valid pointer if known
1160 * or an ERR_PTR() if the station is known not to exist
1161 */
1162 static ieee80211_tx_result
1163 ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
1164 struct ieee80211_tx_data *tx,
1165 struct sta_info *sta, struct sk_buff *skb)
1166 {
1167 struct ieee80211_local *local = sdata->local;
1168 struct ieee80211_hdr *hdr;
1169 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
1170 int tid;
1171
1172 memset(tx, 0, sizeof(*tx));
1173 tx->skb = skb;
1174 tx->local = local;
1175 tx->sdata = sdata;
1176 __skb_queue_head_init(&tx->skbs);
1177
1178 /*
1179 * If this flag is set to true anywhere, and we get here,
1180 * we are doing the needed processing, so remove the flag
1181 * now.
1182 */
1183 info->control.flags &= ~IEEE80211_TX_INTCFL_NEED_TXPROCESSING;
1184
1185 hdr = (struct ieee80211_hdr *) skb->data;
1186
1187 if (likely(sta)) {
1188 if (!IS_ERR(sta))
1189 tx->sta = sta;
1190 } else {
1191 if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
1192 tx->sta = rcu_dereference(sdata->u.vlan.sta);
1193 if (!tx->sta && sdata->wdev.use_4addr)
1194 return TX_DROP;
1195 } else if (tx->sdata->control_port_protocol == tx->skb->protocol) {
1196 tx->sta = sta_info_get_bss(sdata, hdr->addr1);
1197 }
1198 if (!tx->sta && !is_multicast_ether_addr(hdr->addr1))
1199 tx->sta = sta_info_get(sdata, hdr->addr1);
1200 }
1201
1202 if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
1203 !ieee80211_is_qos_nullfunc(hdr->frame_control) &&
1204 ieee80211_hw_check(&local->hw, AMPDU_AGGREGATION) &&
1205 !ieee80211_hw_check(&local->hw, TX_AMPDU_SETUP_IN_HW) &&
1206 !info->flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO) {
1207 struct tid_ampdu_tx *tid_tx;
1208
1209 tid = ieee80211_get_tid(hdr);
1210
1211 tid_tx = rcu_dereference(tx->sta->ampdu_mlme.tid_tx[tid]);
1212 if (tid_tx) {
1213 bool queued;
1214
1215 queued = ieee80211_tx_prep_agg(tx, skb, info,
1216 tid_tx, tid);
1217
1218 if (unlikely(queued))
1219 return TX_QUEUED;
1220 }
1221 }
1222
1223 if (is_multicast_ether_addr(hdr->addr1)) {
1224 tx->flags &= ~IEEE80211_TX_UNICAST;
1225 info->flags |= IEEE80211_TX_CTL_NO_ACK;
1226 } else
1227 tx->flags |= IEEE80211_TX_UNICAST;
1228
1229 if (!(info->flags & IEEE80211_TX_CTL_DONTFRAG)) {
1230 if (!(tx->flags & IEEE80211_TX_UNICAST) ||
1231 skb->len + FCS_LEN <= local->hw.wiphy->frag_threshold ||
1232 info->flags & IEEE80211_TX_CTL_AMPDU)
1233 info->flags |= IEEE80211_TX_CTL_DONTFRAG;
1234 }
1235
1236 if (!tx->sta)
1237 info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
1238 else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT)) {
1239 info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
1240 ieee80211_check_fast_xmit(tx->sta);
1241 }
1242
1243 info->flags |= IEEE80211_TX_CTL_FIRST_FRAGMENT;
1244
1245 return TX_CONTINUE;
1246 }
1247
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org