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Message-ID: <20240622064437.2919946-1-sumang@marvell.com>
Date: Sat, 22 Jun 2024 12:14:37 +0530
From: Suman Ghosh <sumang@...vell.com>
To: <sgoutham@...vell.com>, <gakula@...vell.com>, <sbhatta@...vell.com>,
<hkelam@...vell.com>, <davem@...emloft.net>, <edumazet@...gle.com>,
<kuba@...nel.org>, <pabeni@...hat.com>, <netdev@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <lcherian@...vell.com>,
<jerinj@...vell.com>
CC: Ratheesh Kannoth <rkannoth@...vell.com>, Suman Ghosh <sumang@...vell.com>
Subject: [net PATCH] octeontx2-pf: Fix coverity and klockwork issues in octeon PF driver
From: Ratheesh Kannoth <rkannoth@...vell.com>
Fix unintended sign extension and klockwork issues. These are not real
issue but for sanity checks.
Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com>
Signed-off-by: Suman Ghosh <sumang@...vell.com>
---
.../marvell/octeontx2/nic/otx2_common.c | 10 ++--
.../ethernet/marvell/octeontx2/nic/otx2_reg.h | 55 ++++++++++---------
.../marvell/octeontx2/nic/otx2_txrx.c | 2 +-
.../net/ethernet/marvell/octeontx2/nic/qos.c | 3 +-
4 files changed, 35 insertions(+), 35 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index a85ac039d779..87d5776e3b88 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -648,14 +648,14 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
} else if (lvl == NIX_TXSCH_LVL_TL4) {
parent = schq_list[NIX_TXSCH_LVL_TL3][prio];
req->reg[0] = NIX_AF_TL4X_PARENT(schq);
- req->regval[0] = parent << 16;
+ req->regval[0] = (u64)parent << 16;
req->num_regs++;
req->reg[1] = NIX_AF_TL4X_SCHEDULE(schq);
req->regval[1] = dwrr_val;
} else if (lvl == NIX_TXSCH_LVL_TL3) {
parent = schq_list[NIX_TXSCH_LVL_TL2][prio];
req->reg[0] = NIX_AF_TL3X_PARENT(schq);
- req->regval[0] = parent << 16;
+ req->regval[0] = (u64)parent << 16;
req->num_regs++;
req->reg[1] = NIX_AF_TL3X_SCHEDULE(schq);
req->regval[1] = dwrr_val;
@@ -670,11 +670,11 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
} else if (lvl == NIX_TXSCH_LVL_TL2) {
parent = schq_list[NIX_TXSCH_LVL_TL1][prio];
req->reg[0] = NIX_AF_TL2X_PARENT(schq);
- req->regval[0] = parent << 16;
+ req->regval[0] = (u64)parent << 16;
req->num_regs++;
req->reg[1] = NIX_AF_TL2X_SCHEDULE(schq);
- req->regval[1] = TXSCH_TL1_DFLT_RR_PRIO << 24 | dwrr_val;
+ req->regval[1] = (u64)hw->txschq_aggr_lvl_rr_prio << 24 | dwrr_val;
if (lvl == hw->txschq_link_cfg_lvl) {
req->num_regs++;
@@ -698,7 +698,7 @@ int otx2_txschq_config(struct otx2_nic *pfvf, int lvl, int prio, bool txschq_for
req->num_regs++;
req->reg[1] = NIX_AF_TL1X_TOPOLOGY(schq);
- req->regval[1] = (TXSCH_TL1_DFLT_RR_PRIO << 1);
+ req->regval[1] = hw->txschq_aggr_lvl_rr_prio << 1;
req->num_regs++;
req->reg[2] = NIX_AF_TL1X_CIR(schq);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h
index 45a32e4b49d1..e3aee6e36215 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_reg.h
@@ -139,33 +139,34 @@
#define NIX_LF_CINTX_ENA_W1C(a) (NIX_LFBASE | 0xD50 | (a) << 12)
/* NIX AF transmit scheduler registers */
-#define NIX_AF_SMQX_CFG(a) (0x700 | (a) << 16)
-#define NIX_AF_TL1X_SCHEDULE(a) (0xC00 | (a) << 16)
-#define NIX_AF_TL1X_CIR(a) (0xC20 | (a) << 16)
-#define NIX_AF_TL1X_TOPOLOGY(a) (0xC80 | (a) << 16)
-#define NIX_AF_TL2X_PARENT(a) (0xE88 | (a) << 16)
-#define NIX_AF_TL2X_SCHEDULE(a) (0xE00 | (a) << 16)
-#define NIX_AF_TL2X_TOPOLOGY(a) (0xE80 | (a) << 16)
-#define NIX_AF_TL2X_CIR(a) (0xE20 | (a) << 16)
-#define NIX_AF_TL2X_PIR(a) (0xE30 | (a) << 16)
-#define NIX_AF_TL3X_PARENT(a) (0x1088 | (a) << 16)
-#define NIX_AF_TL3X_SCHEDULE(a) (0x1000 | (a) << 16)
-#define NIX_AF_TL3X_SHAPE(a) (0x1010 | (a) << 16)
-#define NIX_AF_TL3X_CIR(a) (0x1020 | (a) << 16)
-#define NIX_AF_TL3X_PIR(a) (0x1030 | (a) << 16)
-#define NIX_AF_TL3X_TOPOLOGY(a) (0x1080 | (a) << 16)
-#define NIX_AF_TL4X_PARENT(a) (0x1288 | (a) << 16)
-#define NIX_AF_TL4X_SCHEDULE(a) (0x1200 | (a) << 16)
-#define NIX_AF_TL4X_SHAPE(a) (0x1210 | (a) << 16)
-#define NIX_AF_TL4X_CIR(a) (0x1220 | (a) << 16)
-#define NIX_AF_TL4X_PIR(a) (0x1230 | (a) << 16)
-#define NIX_AF_TL4X_TOPOLOGY(a) (0x1280 | (a) << 16)
-#define NIX_AF_MDQX_SCHEDULE(a) (0x1400 | (a) << 16)
-#define NIX_AF_MDQX_SHAPE(a) (0x1410 | (a) << 16)
-#define NIX_AF_MDQX_CIR(a) (0x1420 | (a) << 16)
-#define NIX_AF_MDQX_PIR(a) (0x1430 | (a) << 16)
-#define NIX_AF_MDQX_PARENT(a) (0x1480 | (a) << 16)
-#define NIX_AF_TL3_TL2X_LINKX_CFG(a, b) (0x1700 | (a) << 16 | (b) << 3)
+#define NIX_AF_SMQX_CFG(a) (0x700 | (u64)(a) << 16)
+#define NIX_AF_TL4X_SDP_LINK_CFG(a) (0xB10 | (u64)(a) << 16)
+#define NIX_AF_TL1X_SCHEDULE(a) (0xC00 | (u64)(a) << 16)
+#define NIX_AF_TL1X_CIR(a) (0xC20 | (u64)(a) << 16)
+#define NIX_AF_TL1X_TOPOLOGY(a) (0xC80 | (u64)(a) << 16)
+#define NIX_AF_TL2X_PARENT(a) (0xE88 | (u64)(a) << 16)
+#define NIX_AF_TL2X_SCHEDULE(a) (0xE00 | (u64)(a) << 16)
+#define NIX_AF_TL2X_TOPOLOGY(a) (0xE80 | (u64)(a) << 16)
+#define NIX_AF_TL2X_CIR(a) (0xE20 | (u64)(a) << 16)
+#define NIX_AF_TL2X_PIR(a) (0xE30 | (u64)(a) << 16)
+#define NIX_AF_TL3X_PARENT(a) (0x1088 | (u64)(a) << 16)
+#define NIX_AF_TL3X_SCHEDULE(a) (0x1000 | (u64)(a) << 16)
+#define NIX_AF_TL3X_SHAPE(a) (0x1010 | (u64)(a) << 16)
+#define NIX_AF_TL3X_CIR(a) (0x1020 | (u64)(a) << 16)
+#define NIX_AF_TL3X_PIR(a) (0x1030 | (u64)(a) << 16)
+#define NIX_AF_TL3X_TOPOLOGY(a) (0x1080 | (u64)(a) << 16)
+#define NIX_AF_TL4X_PARENT(a) (0x1288 | (u64)(a) << 16)
+#define NIX_AF_TL4X_SCHEDULE(a) (0x1200 | (u64)(a) << 16)
+#define NIX_AF_TL4X_SHAPE(a) (0x1210 | (u64)(a) << 16)
+#define NIX_AF_TL4X_CIR(a) (0x1220 | (u64)(a) << 16)
+#define NIX_AF_TL4X_PIR(a) (0x1230 | (u64)(a) << 16)
+#define NIX_AF_TL4X_TOPOLOGY(a) (0x1280 | (u64)(a) << 16)
+#define NIX_AF_MDQX_SCHEDULE(a) (0x1400 | (u64)(a) << 16)
+#define NIX_AF_MDQX_SHAPE(a) (0x1410 | (u64)(a) << 16)
+#define NIX_AF_MDQX_CIR(a) (0x1420 | (u64)(a) << 16)
+#define NIX_AF_MDQX_PIR(a) (0x1430 | (u64)(a) << 16)
+#define NIX_AF_MDQX_PARENT(a) (0x1480 | (u64)(a) << 16)
+#define NIX_AF_TL3_TL2X_LINKX_CFG(a, b) (0x1700 | (u64)(a) << 16 | (b) << 3)
/* LMT LF registers */
#define LMT_LFBASE BIT_ULL(RVU_FUNC_BLKADDR_SHIFT)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
index 929b4eac25d9..3eb85949677a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c
@@ -513,7 +513,7 @@ static int otx2_tx_napi_handler(struct otx2_nic *pfvf,
static void otx2_adjust_adaptive_coalese(struct otx2_nic *pfvf, struct otx2_cq_poll *cq_poll)
{
- struct dim_sample dim_sample;
+ struct dim_sample dim_sample = { 0 };
u64 rx_frames, rx_bytes;
u64 tx_frames, tx_bytes;
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/qos.c b/drivers/net/ethernet/marvell/octeontx2/nic/qos.c
index edac008099c0..0f844c14485a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/qos.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/qos.c
@@ -153,7 +153,6 @@ static void __otx2_qos_txschq_cfg(struct otx2_nic *pfvf,
num_regs++;
otx2_config_sched_shaping(pfvf, node, cfg, &num_regs);
-
} else if (level == NIX_TXSCH_LVL_TL4) {
otx2_config_sched_shaping(pfvf, node, cfg, &num_regs);
} else if (level == NIX_TXSCH_LVL_TL3) {
@@ -176,7 +175,7 @@ static void __otx2_qos_txschq_cfg(struct otx2_nic *pfvf,
/* check if node is root */
if (node->qid == OTX2_QOS_QID_INNER && !node->parent) {
cfg->reg[num_regs] = NIX_AF_TL2X_SCHEDULE(node->schq);
- cfg->regval[num_regs] = TXSCH_TL1_DFLT_RR_PRIO << 24 |
+ cfg->regval[num_regs] = (u64)hw->txschq_aggr_lvl_rr_prio << 24 |
mtu_to_dwrr_weight(pfvf,
pfvf->tx_max_pktlen);
num_regs++;
--
2.25.1
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