When IOVA=VA, address translation for segmented packets is wrong, it
assumes the address in the mbuf->next is physical address, not VA
address.
Fixing the address translation to work both PA & VA mode.
Fixes: e73831dc6c26 ("kni: support userspace VA")
Cc: [email protected]
Signed-off-by: Ferruh Yigit <[email protected]>
---
Cc: [email protected]
---
kernel/linux/kni/kni_net.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/linux/kni/kni_net.c b/kernel/linux/kni/kni_net.c
index f259327954b2..611719b5ee27 100644
--- a/kernel/linux/kni/kni_net.c
+++ b/kernel/linux/kni/kni_net.c
@@ -245,7 +245,7 @@ kni_fifo_trans_pa2va(struct kni_dev *kni,
break;
prev_kva = kva;
- kva = pa2kva(kva->next);
+ kva = get_kva(kni, kva->next);
/* Convert physical address to virtual address
*/
prev_kva->next = pa2va(prev_kva->next, kva);
}
@@ -422,7 +422,7 @@ kni_net_rx_normal(struct kni_dev *kni)
break;
prev_kva = kva;
- kva = pa2kva(kva->next);
+ kva = get_kva(kni, kva->next);
data_kva = kva2data_kva(kva);
/* Convert physical address to virtual address
*/
prev_kva->next = pa2va(prev_kva->next, kva);
@@ -501,7 +501,7 @@ kni_net_rx_lo_fifo(struct kni_dev *kni)
kni->va[i] = pa2va(kni->pa[i], kva);
while (kva->next) {
- next_kva = pa2kva(kva->next);
+ next_kva = get_kva(kni, kva->next);
/* Convert physical address to virtual address
*/
kva->next = pa2va(kva->next, next_kva);
kva = next_kva;
--
2.31.1
