Since commit 08b563ffb19 ("mbuf: replace data pointer by an offset"),
KNI vhost compilation (CONFIG_RTE_KNI_VHOST=y) was broken.
rte_pktmbuf_mtod() is not used in the kernel context but is replaced
by a simple addition of the base address and the offset.
Signed-off-by: Thomas Monjalon <thomas.monjalon at 6wind.com>
---
lib/librte_eal/linuxapp/kni/kni_vhost.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/lib/librte_eal/linuxapp/kni/kni_vhost.c
b/lib/librte_eal/linuxapp/kni/kni_vhost.c
index fe512c2..7bcc985 100644
--- a/lib/librte_eal/linuxapp/kni/kni_vhost.c
+++ b/lib/librte_eal/linuxapp/kni/kni_vhost.c
@@ -104,7 +104,8 @@ kni_vhost_net_tx(struct kni_dev *kni, struct iovec *iov,
void *data_kva;
pkt_kva = (void *)pkt_va - kni->mbuf_va + kni->mbuf_kva;
- data_kva = pkt_kva->data - kni->mbuf_va + kni->mbuf_kva;
+ data_kva = pkt_kva->buf_addr + pkt_kva->data_off
+ - kni->mbuf_va + kni->mbuf_kva;
memcpy_fromiovecend(data_kva, iov, offset, len);
if (unlikely(len < ETH_ZLEN)) {
@@ -177,7 +178,7 @@ kni_vhost_net_rx(struct kni_dev *kni, struct iovec *iov,
KNI_DBG_RX("rx offset=%d, len=%d, pkt_len=%d, iovlen=%d\n",
offset, len, pkt_len, (int)iov->iov_len);
- data_kva = kva->data - kni->mbuf_va + kni->mbuf_kva;
+ data_kva = kva->buf_addr + kva->data_off - kni->mbuf_va + kni->mbuf_kva;
if (unlikely(memcpy_toiovecend(iov, data_kva, offset, pkt_len)))
goto drop;
--
2.1.3
