1 files changed, 70 insertions, 0 deletions
diff --git a/src/pal/linux/pal_utl.h b/src/pal/linux/pal_utl.h
new file mode 100755
index 00000000..38152850
--- /dev/null
+++ b/src/pal/linux/pal_utl.h
@@ -0,0 +1,70 @@
+/*
+ Hanoh Haim
+ Cisco Systems, Inc.
+*/
+
+/*
+Copyright (c) 2015-2015 Cisco Systems, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+#ifndef PAL_UTL_H
+#define PAL_UTL_H
+
+#include <stdint.h>
+
+#define PAL_MSB(x) (((x) >> 8) & 0xff)   /* most signif byte of 2-byte integer */
+#define PAL_LSB(x) ((x) & 0xff)          /* least signif byte of 2-byte integer*/
+#define PAL_MSW(x) (((x) >> 16) & 0xffff) /* most signif word of 2-word integer */
+#define PAL_LSW(x) ((x) & 0xffff)        /* least signif byte of 2-word integer*/
+
+/* swap the MSW with the LSW of a 32 bit integer */
+#define PAL_WORDSWAP(x) (PAL_MSW(x) | (PAL_LSW(x) << 16))
+
+#define PAL_LLSB(x)        ((x) & 0xff)        /* 32bit word byte/word swap macros */
+#define PAL_LNLSB(x)       (((x) >> 8) & 0xff)
+#define PAL_LNMSB(x)       (((x) >> 16) & 0xff)
+#define PAL_LMSB(x)        (((x) >> 24) & 0xff)
+#define PAL_LONGSWAP(x)    ((PAL_LLSB(x) << 24) | \
+                        (PAL_LNLSB(x) << 16)|  \
+                        (PAL_LNMSB(x) << 8) |  \
+                        (PAL_LMSB(x)))
+
+#define PAL_NTOHL(x)     ((uint32_t)(PAL_LONGSWAP((uint32_t)x)))
+#define PAL_NTOHS(x)     ((uint16_t)(((PAL_MSB((uint16_t)x))) | (PAL_LSB((uint16_t)x) << 8)))
+ 
+#define PAL_HTONS(x)     (PAL_NTOHS(x))
+#define PAL_HTONL(x)     (PAL_NTOHL(x))
+
+static inline uint64_t pal_ntohl64(uint64_t x){
+    uint32_t high=(uint32_t)((x&0xffffffff00000000ULL)>>32);
+    uint32_t low=(uint32_t)((x&0xffffffff));
+    uint64_t res=((uint64_t)(PAL_LONGSWAP(low)))<<32 | PAL_LONGSWAP(high);
+    return (res);
+}
+
+#define PAL_NTOHLL(x)     (pal_ntohl64(x))
+
+
+#define unlikely(a) (a)
+#define likely(a)  (a)
+
+static inline void rte_pause (void)
+{
+}
+
+
+
+#endif
+
+