[dpdk-dev] [PATCH v4 19/23] rte_ip.h: cast input to bswap16 to be uint16
Andy Green
andy at warmcat.com
Mon May 14 07:11:03 CEST 2018
In file included from /projects/lagopus/src/dpdk/
build/include/rte_ether.h:24,
from /projects/lagopus/src/dpdk/
build/include/rte_ethdev.h:158,
from ./dpdk/worker.c:90:
/projects/lagopus/src/dpdk/build/include/rte_ip.h:
In function 'rte_raw_cksum_mbuf':
/projects/lagopus/src/dpdk/build/include/rte_ip.h:
225:22: warning: conversion from 'uint32_t'
{aka 'unsigned int'} to 'uint16_t' {aka 'short
unsigned int'} may change value [-Wconversion]
tmp = rte_bswap16(tmp);
^~~
/projects/lagopus/src/dpdk/build/include/
rte_byteorder.h:53:25: note: in definition of
macro 'rte_bswap16'
rte_arch_bswap16(x)))
^
Signed-off-by: Andy Green <andy at warmcat.com>
---
lib/librte_net/rte_ip.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index f32684c66..b46a0c717 100644
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -222,7 +222,7 @@ rte_raw_cksum_mbuf(const struct rte_mbuf *m, uint32_t off, uint32_t len,
for (;;) {
tmp = __rte_raw_cksum(buf, seglen, 0);
if (done & 1)
- tmp = rte_bswap16(tmp);
+ tmp = rte_bswap16((uint16_t)tmp);
sum += tmp;
done += seglen;
if (done == len)
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