[dpdk-test-report] |WARNING| pw98289 [PATCH 08/32] net/ngbe: support basic statistics

checkpatch at dpdk.org checkpatch at dpdk.org
Wed Sep 8 10:38:43 CEST 2021


Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/98289

_coding style issues_


CHECK:MACRO_ARG_REUSE: Macro argument reuse 'last_counter' - possible side-effects?
#534: FILE: drivers/net/ngbe/ngbe_ethdev.c:977:
+#define UPDATE_QP_COUNTER_32bit(reg, last_counter, counter)     \
+	{                                                       \
+		uint32_t current_counter = rd32(hw, reg);       \
+		if (current_counter < last_counter)             \
+			current_counter += 0x100000000LL;       \
+		if (!hw->offset_loaded)                         \
+			last_counter = current_counter;         \
+		counter = current_counter - last_counter;       \
+		counter &= 0xFFFFFFFFLL;                        \
+	}

CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'last_counter' may be better as '(last_counter)' to avoid precedence issues
#534: FILE: drivers/net/ngbe/ngbe_ethdev.c:977:
+#define UPDATE_QP_COUNTER_32bit(reg, last_counter, counter)     \
+	{                                                       \
+		uint32_t current_counter = rd32(hw, reg);       \
+		if (current_counter < last_counter)             \
+			current_counter += 0x100000000LL;       \
+		if (!hw->offset_loaded)                         \
+			last_counter = current_counter;         \
+		counter = current_counter - last_counter;       \
+		counter &= 0xFFFFFFFFLL;                        \
+	}

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'counter' - possible side-effects?
#534: FILE: drivers/net/ngbe/ngbe_ethdev.c:977:
+#define UPDATE_QP_COUNTER_32bit(reg, last_counter, counter)     \
+	{                                                       \
+		uint32_t current_counter = rd32(hw, reg);       \
+		if (current_counter < last_counter)             \
+			current_counter += 0x100000000LL;       \
+		if (!hw->offset_loaded)                         \
+			last_counter = current_counter;         \
+		counter = current_counter - last_counter;       \
+		counter &= 0xFFFFFFFFLL;                        \
+	}

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'last_counter' - possible side-effects?
#545: FILE: drivers/net/ngbe/ngbe_ethdev.c:988:
+#define UPDATE_QP_COUNTER_36bit(reg_lsb, reg_msb, last_counter, counter) \
+	{                                                                \
+		uint64_t current_counter_lsb = rd32(hw, reg_lsb);        \
+		uint64_t current_counter_msb = rd32(hw, reg_msb);        \
+		uint64_t current_counter = (current_counter_msb << 32) | \
+			current_counter_lsb;                             \
+		if (current_counter < last_counter)                      \
+			current_counter += 0x1000000000LL;               \
+		if (!hw->offset_loaded)                                  \
+			last_counter = current_counter;                  \
+		counter = current_counter - last_counter;                \
+		counter &= 0xFFFFFFFFFLL;                                \
+	}

CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'last_counter' may be better as '(last_counter)' to avoid precedence issues
#545: FILE: drivers/net/ngbe/ngbe_ethdev.c:988:
+#define UPDATE_QP_COUNTER_36bit(reg_lsb, reg_msb, last_counter, counter) \
+	{                                                                \
+		uint64_t current_counter_lsb = rd32(hw, reg_lsb);        \
+		uint64_t current_counter_msb = rd32(hw, reg_msb);        \
+		uint64_t current_counter = (current_counter_msb << 32) | \
+			current_counter_lsb;                             \
+		if (current_counter < last_counter)                      \
+			current_counter += 0x1000000000LL;               \
+		if (!hw->offset_loaded)                                  \
+			last_counter = current_counter;                  \
+		counter = current_counter - last_counter;                \
+		counter &= 0xFFFFFFFFFLL;                                \
+	}

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'counter' - possible side-effects?
#545: FILE: drivers/net/ngbe/ngbe_ethdev.c:988:
+#define UPDATE_QP_COUNTER_36bit(reg_lsb, reg_msb, last_counter, counter) \
+	{                                                                \
+		uint64_t current_counter_lsb = rd32(hw, reg_lsb);        \
+		uint64_t current_counter_msb = rd32(hw, reg_msb);        \
+		uint64_t current_counter = (current_counter_msb << 32) | \
+			current_counter_lsb;                             \
+		if (current_counter < last_counter)                      \
+			current_counter += 0x1000000000LL;               \
+		if (!hw->offset_loaded)                                  \
+			last_counter = current_counter;                  \
+		counter = current_counter - last_counter;                \
+		counter &= 0xFFFFFFFFFLL;                                \
+	}

total: 0 errors, 0 warnings, 6 checks, 714 lines checked


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