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Message-ID: <202506252237.x9hiFnbB-lkp@intel.com>
Date: Wed, 25 Jun 2025 22:38:14 +0800
From: kernel test robot <lkp@...el.com>
To: Tanmay Jagdale <tanmay@...vell.com>, davem@...emloft.net,
leon@...nel.org, horms@...nel.org, sgoutham@...vell.com,
bbhushan2@...vell.com, herbert@...dor.apana.org.au
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-crypto@...r.kernel.org, netdev@...r.kernel.org,
Tanmay Jagdale <tanmay@...vell.com>
Subject: Re: [PATCH net-next v2 14/14] octeontx2-pf: ipsec: Add XFRM state
and policy hooks for inbound flows
Hi Tanmay,
kernel test robot noticed the following build errors:
[auto build test ERROR on net-next/main]
url: https://github.com/intel-lab-lkp/linux/commits/Tanmay-Jagdale/crypto-octeontx2-Share-engine-group-info-with-AF-driver/20250618-193646
base: net-next/main
patch link: https://lore.kernel.org/r/20250618113020.130888-15-tanmay%40marvell.com
patch subject: [PATCH net-next v2 14/14] octeontx2-pf: ipsec: Add XFRM state and policy hooks for inbound flows
config: um-allmodconfig (https://download.01.org/0day-ci/archive/20250625/202506252237.x9hiFnbB-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250625/202506252237.x9hiFnbB-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506252237.x9hiFnbB-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c:7:
In file included from include/net/xfrm.h:9:
In file included from include/linux/skbuff.h:17:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from arch/um/include/asm/hardirq.h:5:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:12:
In file included from arch/um/include/asm/io.h:24:
include/asm-generic/io.h:1175:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
1175 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port;
| ~~~~~~~~~~ ^
drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c:924:8: warning: variable 'ptr' set but not used [-Wunused-but-set-variable]
924 | void *ptr;
| ^
>> drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c:1206:2: error: call to undeclared function 'dmb'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
1206 | dmb(sy);
| ^
>> drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c:1206:6: error: use of undeclared identifier 'sy'
1206 | dmb(sy);
| ^
2 warnings and 2 errors generated.
vim +/dmb +1206 drivers/net/ethernet/marvell/octeontx2/nic/cn10k_ipsec.c
1156
1157 static int cn10k_inb_write_sa(struct otx2_nic *pf,
1158 struct xfrm_state *x,
1159 struct cn10k_inb_sw_ctx_info *inb_ctx_info)
1160 {
1161 dma_addr_t res_iova, dptr_iova, sa_iova;
1162 struct cn10k_rx_sa_s *sa_dptr, *sa_cptr;
1163 struct cpt_inst_s inst;
1164 u32 sa_size, off;
1165 struct cpt_res_s *res;
1166 u64 reg_val;
1167 int ret;
1168
1169 res = dma_alloc_coherent(pf->dev, sizeof(struct cpt_res_s),
1170 &res_iova, GFP_ATOMIC);
1171 if (!res)
1172 return -ENOMEM;
1173
1174 sa_cptr = inb_ctx_info->sa_entry;
1175 sa_iova = inb_ctx_info->sa_iova;
1176 sa_size = sizeof(struct cn10k_rx_sa_s);
1177
1178 sa_dptr = dma_alloc_coherent(pf->dev, sa_size, &dptr_iova, GFP_ATOMIC);
1179 if (!sa_dptr) {
1180 dma_free_coherent(pf->dev, sizeof(struct cpt_res_s), res,
1181 res_iova);
1182 return -ENOMEM;
1183 }
1184
1185 for (off = 0; off < (sa_size / 8); off++)
1186 *((u64 *)sa_dptr + off) = cpu_to_be64(*((u64 *)sa_cptr + off));
1187
1188 memset(&inst, 0, sizeof(struct cpt_inst_s));
1189
1190 res->compcode = 0;
1191 inst.res_addr = res_iova;
1192 inst.dptr = (u64)dptr_iova;
1193 inst.param2 = sa_size >> 3;
1194 inst.dlen = sa_size;
1195 inst.opcode_major = CN10K_IPSEC_MAJOR_OP_WRITE_SA;
1196 inst.opcode_minor = CN10K_IPSEC_MINOR_OP_WRITE_SA;
1197 inst.cptr = sa_iova;
1198 inst.ctx_val = 1;
1199 inst.egrp = CN10K_DEF_CPT_IPSEC_EGRP;
1200
1201 /* Re-use Outbound CPT LF to install Ingress SAs as well because
1202 * the driver does not own the ingress CPT LF.
1203 */
1204 pf->ipsec.io_addr = (__force u64)otx2_get_regaddr(pf, CN10K_CPT_LF_NQX(0));
1205 cn10k_cpt_inst_flush(pf, &inst, sizeof(struct cpt_inst_s));
> 1206 dmb(sy);
1207
1208 ret = cn10k_wait_for_cpt_respose(pf, res);
1209 if (ret)
1210 goto out;
1211
1212 /* Trigger CTX flush to write dirty data back to DRAM */
1213 reg_val = FIELD_PREP(GENMASK_ULL(45, 0), sa_iova >> 7);
1214 otx2_write64(pf, CN10K_CPT_LF_CTX_FLUSH, reg_val);
1215
1216 out:
1217 dma_free_coherent(pf->dev, sa_size, sa_dptr, dptr_iova);
1218 dma_free_coherent(pf->dev, sizeof(struct cpt_res_s), res, res_iova);
1219 return ret;
1220 }
1221
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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