net/tap: fix multi segments capability

[dpdk.git] / drivers / net / cxgbe / cxgbe_compat.h

diff --git a/drivers/net/cxgbe/cxgbe_compat.h b/drivers/net/cxgbe/cxgbe_compat.h
index e68f8f5..03bba9f 100644 (file)
--- a/drivers/net/cxgbe/cxgbe_compat.h
+++ b/drivers/net/cxgbe/cxgbe_compat.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2014-2015 Chelsio Communications.
+ *   Copyright(c) 2014-2017 Chelsio Communications.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,7 @@
 #include <rte_cycles.h>
 #include <rte_spinlock.h>
 #include <rte_log.h>
+#include <rte_io.h>
 
 #define dev_printf(level, fmt, args...) \
        RTE_LOG(level, PMD, "rte_cxgbe_pmd: " fmt, ## args)
@@ -225,6 +226,15 @@ static inline int cxgbe_fls(int x)
        return x ? sizeof(x) * 8 - __builtin_clz(x) : 0;
 }
 
+/**
+ * cxgbe_ffs - find first bit set
+ * @x: the word to search
+ */
+static inline int cxgbe_ffs(int x)
+{
+       return x ? __builtin_ffs(x) : 0;
+}
+
 static inline unsigned long ilog2(unsigned long n)
 {
        unsigned int e = 0;
@@ -254,7 +264,7 @@ static inline unsigned long ilog2(unsigned long n)
 
 static inline void writel(unsigned int val, volatile void __iomem *addr)
 {
-       *(volatile unsigned int *)addr = val;
+       rte_write32(val, addr);
 }
 
 static inline void writeq(u64 val, volatile void __iomem *addr)
@@ -263,4 +273,9 @@ static inline void writeq(u64 val, volatile void __iomem *addr)
        writel(val >> 32, (void *)((uintptr_t)addr + 4));
 }
 
+static inline void writel_relaxed(unsigned int val, volatile void __iomem *addr)
+{
+       rte_write32_relaxed(val, addr);
+}
+
 #endif /* _CXGBE_COMPAT_H_ */