[dpdk-dev] [PATCH v3 31/40] rte_mbuf.h: explicit casts to uint16_t to avoid truncation warnings

[Andy Green <andy@warmcat.com>]

Signed-off-by: Andy Green <andy@warmcat.com>
---
 lib/librte_mbuf/rte_mbuf.h |   15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index 169f3d3b0..3cd76abbc 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -1580,7 +1580,7 @@ static inline void rte_pktmbuf_detach(struct rte_mbuf *m)
 	mbuf_size = (uint32_t)sizeof(struct rte_mbuf) + priv_size;
 	buf_len = rte_pktmbuf_data_room_size(mp);
 
-	m->priv_size = priv_size;
+	m->priv_size = (uint16_t)priv_size;
 	m->buf_addr = (char *)m + mbuf_size;
 	m->buf_iova = rte_mempool_virt2iova(m) + mbuf_size;
 	m->buf_len = (uint16_t)buf_len;
@@ -1905,7 +1905,7 @@ static inline char *rte_pktmbuf_prepend(struct rte_mbuf *m,
 	if (unlikely(len > rte_pktmbuf_headroom(m)))
 		return NULL;
 
-	m->data_off -= len;
+	m->data_off = (uint16_t)(m->data_off - len);
 	m->data_len = (uint16_t)(m->data_len + len);
 	m->pkt_len  = (m->pkt_len + len);
 
@@ -1966,7 +1966,7 @@ static inline char *rte_pktmbuf_adj(struct rte_mbuf *m, uint16_t len)
 		return NULL;
 
 	m->data_len = (uint16_t)(m->data_len - len);
-	m->data_off += len;
+	m->data_off = (uint16_t)(m->data_off + len);
 	m->pkt_len  = (m->pkt_len - len);
 	return (char *)m->buf_addr + m->data_off;
 }
@@ -2079,7 +2079,7 @@ static inline int rte_pktmbuf_chain(struct rte_mbuf *head, struct rte_mbuf *tail
 	cur_tail->next = tail;
 
 	/* accumulate number of segments and total length. */
-	head->nb_segs += tail->nb_segs;
+	head->nb_segs = (uint16_t)(head->nb_segs + tail->nb_segs);
 	head->pkt_len += tail->pkt_len;
 
 	/* pkt_len is only set in the head */
@@ -2109,7 +2109,8 @@ rte_validate_tx_offload(const struct rte_mbuf *m)
 		return 0;
 
 	if (ol_flags & PKT_TX_OUTER_IP_CKSUM)
-		inner_l3_offset += m->outer_l2_len + m->outer_l3_len;
+		inner_l3_offset += (unsigned int)(m->outer_l2_len +
+						  m->outer_l3_len);
 
 	/* Headers are fragmented */
 	if (rte_pktmbuf_data_len(m) < inner_l3_offset + m->l3_len + m->l4_len)
@@ -2154,7 +2155,7 @@ rte_validate_tx_offload(const struct rte_mbuf *m)
 static inline int
 rte_pktmbuf_linearize(struct rte_mbuf *mbuf)
 {
-	int seg_len, copy_len;
+	size_t seg_len, copy_len;
 	struct rte_mbuf *m;
 	struct rte_mbuf *m_next;
 	char *buffer;
@@ -2169,7 +2170,7 @@ rte_pktmbuf_linearize(struct rte_mbuf *mbuf)
 		return -1;
 
 	buffer = rte_pktmbuf_mtod_offset(mbuf, char *, mbuf->data_len);
-	mbuf->data_len = (uint16_t)(mbuf->pkt_len);
+	mbuf->data_len = (uint16_t)mbuf->pkt_len;
 
 	/* Append data from next segments to the first one */
 	m = mbuf->next;