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From: Zhiyong Yang <zhiyong.yang@intel.com>
To: dev@dpdk.org
Cc: ferruh.yigit@intel.com, thomas@monjalon.net, adrien.mazarguil@6wind.com,
Zhiyong Yang <zhiyong.yang@intel.com>
Date: Mon, 25 Sep 2017 11:22:31 +0800
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Subject: [dpdk-dev] [PATCH v5 5/5] librte_mbuf: modify port initialization
value
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In order to support more than 256 virtual ports, the field "port"
in rte_mbuf has been increased to 16 bits. The initialization/reset
value of the field "port" should be changed from 0xff to 0xffff
accordingly.
Signed-off-by: Zhiyong Yang <zhiyong.yang@intel.com>
---
lib/librte_mbuf/rte_mbuf.c | 2 +-
lib/librte_mbuf/rte_mbuf.h | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
index 26a62b8e1..bcf4e2fcf 100644
--- a/lib/librte_mbuf/rte_mbuf.c
+++ b/lib/librte_mbuf/rte_mbuf.c
@@ -144,7 +144,7 @@ rte_pktmbuf_init(struct rte_mempool *mp,
/* init some constant fields */
m->pool = mp;
m->nb_segs = 1;
- m->port = 0xff;
+ m->port = MBUF_INVALID_PORT;
rte_mbuf_refcnt_set(m, 1);
m->next = NULL;
}
diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h
index eaed7eee0..cc380400d 100644
--- a/lib/librte_mbuf/rte_mbuf.h
+++ b/lib/librte_mbuf/rte_mbuf.h
@@ -1087,6 +1087,8 @@ static inline void rte_pktmbuf_reset_headroom(struct rte_mbuf *m)
* @param m
* The packet mbuf to be resetted.
*/
+#define MBUF_INVALID_PORT UINT16_MAX
+
static inline void rte_pktmbuf_reset(struct rte_mbuf *m)
{
m->next = NULL;
@@ -1095,7 +1097,7 @@ static inline void rte_pktmbuf_reset(struct rte_mbuf *m)
m->vlan_tci = 0;
m->vlan_tci_outer = 0;
m->nb_segs = 1;
- m->port = 0xff;
+ m->port = MBUF_INVALID_PORT;
m->ol_flags = 0;
m->packet_type = 0;
--
2.13.3