octeontx2-pf: Fix coverity and klockwork issues in octeon PF driver

Fix unintended sign extension and klockwork issues. These are not real
issue but for sanity checks.
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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);

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)

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;
 

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++;