[PATCH 19/19] drivers: fix Klocwork issues

Nithin Dabilpuram ndabilpuram at marvell.com
Mon Sep 1 09:30:35 CEST 2025


From: Aarnav JP <ajp at marvell.com>

fixed klocwork suggested issues in
cnxk component of drivers module

Fixes: db5744d3cd23 ("common/cnxk: support NIX debug for CN20K")
Fixes: 3c31a7485172 ("common/cnxk: config CPT result address for CN20K")
Fixes: 4b8eb5bd6627 ("common/cnxk: reserve CPT LF for Rx inject")
Fixes: f410059baac6 ("common/cnxk: support inline inbound queue")
Fixes: 47cca253d605 ("net/cnxk: support Rx inject")
Fixes: ac35d4bf4cd6 ("net/cnxk: support ingress meter pre-color")

Signed-off-by: Aarnav JP <ajp at marvell.com>
---
 .mailmap                            |  1 +
 drivers/common/cnxk/roc_nix_debug.c |  4 ++--
 drivers/common/cnxk/roc_nix_inl.c   | 13 ++++++-------
 drivers/net/cnxk/cn10k_ethdev_sec.c |  2 ++
 drivers/net/cnxk/cnxk_ethdev_mtr.c  |  8 +++++++-
 5 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/.mailmap b/.mailmap
index 34a99f93a1..309551d007 100644
--- a/.mailmap
+++ b/.mailmap
@@ -1,4 +1,5 @@
 Aakash Sasidharan <asasidharan at marvell.com>
+Aarnav JP <ajp at marvell.com>
 Aaro Koskinen <aaro.koskinen at nsn.com>
 Aaron Campbell <aaron at arbor.net>
 Aaron Conole <aconole at redhat.com>
diff --git a/drivers/common/cnxk/roc_nix_debug.c b/drivers/common/cnxk/roc_nix_debug.c
index f9294e693b..11994bf131 100644
--- a/drivers/common/cnxk/roc_nix_debug.c
+++ b/drivers/common/cnxk/roc_nix_debug.c
@@ -769,8 +769,8 @@ nix_lf_rq_dump(__io struct nix_cn20k_rq_ctx_s *ctx, FILE *file)
 
 	nix_dump(file, "W2: xqe_hdr_split \t\t%d\nW2: xqe_imm_copy \t\t%d",
 		 ctx->xqe_hdr_split, ctx->xqe_imm_copy);
-	nix_dump(file, "W2: band_prof_id\t\t%d\n",
-		 ((ctx->band_prof_id_h << 10) | ctx->band_prof_id_l));
+	nix_dump(file, "W2: band_prof_id\t\t0x%" PRIx64 "\n",
+		 (uint64_t)((ctx->band_prof_id_h << 10) | ctx->band_prof_id_l));
 	nix_dump(file, "W2: xqe_imm_size \t\t%d\nW2: later_skip \t\t\t%d",
 		 ctx->xqe_imm_size, ctx->later_skip);
 	nix_dump(file, "W2: sso_bp_ena\t\t%d\n", ctx->sso_bp_ena);
diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
index a5fc33b5c9..9135c1c172 100644
--- a/drivers/common/cnxk/roc_nix_inl.c
+++ b/drivers/common/cnxk/roc_nix_inl.c
@@ -581,7 +581,7 @@ nix_inl_reass_inb_sa_tbl_setup(struct roc_nix *roc_nix)
 	struct nix_inl_dev *inl_dev = NULL;
 	uint64_t max_sa = 1, sa_pow2_sz;
 	uint64_t sa_idx_w, lenm1_max;
-	uint64_t res_addr_offset;
+	uint64_t res_addr_offset = 0;
 	uint64_t def_cptq = 0;
 	size_t inb_sa_sz = 1;
 	uint8_t profile_id;
@@ -626,12 +626,11 @@ nix_inl_reass_inb_sa_tbl_setup(struct roc_nix *roc_nix)
 		inl_dev = idev->nix_inl_dev;
 		if (inl_dev->nb_inb_cptlfs)
 			def_cptq = inl_dev->nix_inb_qids[inl_dev->inb_cpt_lf_id];
+		res_addr_offset = (uint64_t)(inl_dev->res_addr_offset & 0xFF) << 48;
+		if (res_addr_offset)
+			res_addr_offset |= (1UL << 56);
 	}
 
-	res_addr_offset = (uint64_t)(inl_dev->res_addr_offset & 0xFF) << 48;
-	if (res_addr_offset)
-		res_addr_offset |= (1UL << 56);
-
 	lf_cfg->enable = 1;
 	lf_cfg->profile_id = profile_id;
 	lf_cfg->rx_inline_sa_base = (uintptr_t)nix->inb_sa_base[profile_id];
@@ -850,12 +849,12 @@ roc_nix_inl_inb_rx_inject_enable(struct roc_nix *roc_nix, bool inb_inl_dev)
 
 	if (inb_inl_dev) {
 		inl_dev = idev->nix_inl_dev;
-		if (inl_dev && inl_dev->attach_cptlf && inl_dev->rx_inj_ena &&
+		if (inl_dev && inl_dev->attach_cptlf && inl_dev->rx_inj_ena && roc_nix &&
 		    roc_nix->rx_inj_ena)
 			return true;
 	}
 
-	return roc_nix->rx_inj_ena;
+	return roc_nix ? roc_nix->rx_inj_ena : 0;
 }
 
 uint32_t
diff --git a/drivers/net/cnxk/cn10k_ethdev_sec.c b/drivers/net/cnxk/cn10k_ethdev_sec.c
index 110630596e..5ecdc2b463 100644
--- a/drivers/net/cnxk/cn10k_ethdev_sec.c
+++ b/drivers/net/cnxk/cn10k_ethdev_sec.c
@@ -1336,6 +1336,8 @@ cn10k_eth_sec_rx_inject_config(void *device, uint16_t port_id, bool enable)
 	roc_idev_nix_rx_inject_set(port_id, enable);
 
 	inl_lf = roc_nix_inl_inb_inj_lf_get(nix);
+	if (!inl_lf)
+		return -ENOTSUP;
 	sa_base = roc_nix_inl_inb_sa_base_get(nix, dev->inb.inl_dev);
 
 	inj_cfg = &dev->inj_cfg;
diff --git a/drivers/net/cnxk/cnxk_ethdev_mtr.c b/drivers/net/cnxk/cnxk_ethdev_mtr.c
index edeca6dcc3..992e2d446e 100644
--- a/drivers/net/cnxk/cnxk_ethdev_mtr.c
+++ b/drivers/net/cnxk/cnxk_ethdev_mtr.c
@@ -1261,7 +1261,13 @@ nix_mtr_config_map(struct cnxk_meter_node *mtr, struct roc_nix_bpf_cfg *cfg)
 
 	cfg->alg = alg_map[profile->profile.alg];
 	cfg->lmode = profile->profile.packet_mode;
-	cfg->icolor = color_map[mtr->params.default_input_color];
+	int idx = mtr->params.default_input_color;
+
+	/* Index validation */
+	if (idx >= RTE_COLORS)
+		cfg->icolor = ROC_NIX_BPF_COLOR_GREEN;
+	else
+		cfg->icolor = color_map[idx];
 
 	switch (RTE_MTR_COLOR_IN_PROTO_OUTER_IP) {
 	case RTE_MTR_COLOR_IN_PROTO_OUTER_IP:
-- 
2.34.1



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