Re: [PATCH net] octeontx2-af: Fix npc_delete_flow counter read for cn20k

From: kernel test robot

Date: Fri Oct 23 2026 - 20:04:48 EST


Hi vmukunda,

kernel test robot noticed the following build errors:

[auto build test ERROR on net/main]

url: https://github.com/intel-lab-lkp/linux/commits/vmukunda/octeontx2-af-Fix-npc_delete_flow-counter-read-for-cn20k/20261023-100112
base: net/main
patch link: https://lore.kernel.org/r/20261023100112.3402726-1-vmukunda%40marvell.com
patch subject: [PATCH net] octeontx2-af: Fix npc_delete_flow counter read for cn20k
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20261024/202610240701.QMuYCXhI-lkp@xxxxxxxxx/config)
compiler: clang version 24.0.0git (https://github.com/llvm/llvm-project 186e70f4e6a1521991d2340d3d49b23b1beff11f)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261024/202610240701.QMuYCXhI-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202610240701.QMuYCXhI-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c:1962:30: error: use of undeclared identifier 'rvu_pdev'
1962 | if (blkaddr && !is_cn20k(rvu_pdev))
| ^~~~~~~~
1 error generated.


vim +/rvu_pdev +1962 drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c

1932
1933 int rvu_mbox_handler_npc_delete_flow(struct rvu *rvu,
1934 struct npc_delete_flow_req *req,
1935 struct npc_delete_flow_rsp *rsp)
1936 {
1937 struct npc_mcam *mcam = &rvu->hw->mcam;
1938 struct rvu_npc_mcam_rule *iter, *tmp;
1939 u16 pcifunc = req->hdr.pcifunc;
1940 struct list_head del_list;
1941 int blkaddr;
1942
1943 req->entry = npc_cn20k_vidx2idx(req->entry);
1944 req->start = npc_cn20k_vidx2idx(req->start);
1945 req->end = npc_cn20k_vidx2idx(req->end);
1946
1947 INIT_LIST_HEAD(&del_list);
1948
1949 mutex_lock(&mcam->lock);
1950 list_for_each_entry_safe(iter, tmp, &mcam->mcam_rules, list) {
1951 if (iter->owner == pcifunc) {
1952 /* All rules */
1953 if (req->all) {
1954 list_move_tail(&iter->list, &del_list);
1955 /* Range of rules */
1956 } else if (req->end && iter->entry >= req->start &&
1957 iter->entry <= req->end) {
1958 list_move_tail(&iter->list, &del_list);
1959 /* single rule */
1960 } else if (req->entry == iter->entry) {
1961 blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
> 1962 if (blkaddr && !is_cn20k(rvu_pdev))
1963 rsp->cntr_val = rvu_read64(rvu, blkaddr,
1964 NPC_AF_MATCH_STATX(iter->cntr));
1965 list_move_tail(&iter->list, &del_list);
1966 break;
1967 }
1968 }
1969 }
1970 mutex_unlock(&mcam->lock);
1971
1972 list_for_each_entry_safe(iter, tmp, &del_list, list) {
1973 u16 entry = iter->entry;
1974
1975 /* clear the mcam entry target pcifunc */
1976 mcam->entry2target_pffunc[entry] = 0x0;
1977 if (npc_delete_flow(rvu, iter, pcifunc))
1978 dev_err(rvu->dev, "rule deletion failed for entry:%u",
1979 entry);
1980 }
1981
1982 return 0;
1983 }
1984

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https://github.com/intel/lkp-tests/wiki