Le 08/06/2018 à 22:05, Laurent Vivier a écrit :
address_space_rw() access size must be multiplied by width.
dp8393x_receive() must return the number of bytes read, not the length
of the last memory access.
Signed-off-by: Laurent Vivier <laur...@vivier.eu>
---
hw/net/dp8393x.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index f2d2ce344c..ef5f1eb94f 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -808,9 +808,11 @@ static ssize_t dp8393x_receive(NetClientState *nc, const
uint8_t * buf,
/* EOL detected */
s->regs[SONIC_ISR] |= SONIC_ISR_RDE;
} else {
+ size = sizeof(uint16_t) * width;
data[0 * width] = 0; /* in_use */
- address_space_rw(&s->as, dp8393x_crda(s) + sizeof(uint16_t) * 6 *
width,
- MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, sizeof(uint16_t), 1);
+ address_space_rw(&s->as,
+ dp8393x_crda(s) + sizeof(uint16_t) * 6 * width,
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 1);
s->regs[SONIC_CRDA] = s->regs[SONIC_LLFA];
s->regs[SONIC_ISR] |= SONIC_ISR_PKTRX;
s->regs[SONIC_RSC] = (s->regs[SONIC_RSC] & 0xff00) | (((s->regs[SONIC_RSC]
& 0x00ff) + 1) & 0x00ff);
@@ -824,7 +826,7 @@ static ssize_t dp8393x_receive(NetClientState *nc, const
uint8_t * buf,
/* Done */
dp8393x_update_irq(s);
- return size;
+ return rx_len;
}
static void dp8393x_reset(DeviceState *dev)
NACK. This breaks NetBSD 5.1/arc networking.
This seems to revert the following commit and change the function return value.
commit 409b52bfe199d8106dadf7c5ff3d88d2228e89b5
Author: Hervé Poussineau <hpous...@reactos.org>
Date: Wed Jun 3 22:45:48 2015 +0200
net/dp8393x: correctly reset in_use field
Don't write more than the field width, which is always 16 bit.
Fixes network in NetBSD 5.1/arc
Signed-off-by: Hervé Poussineau <hpous...@reactos.org>
Reviewed-by: Aurelien Jarno <aurel...@aurel32.net>
Signed-off-by: Leon Alrae <leon.al...@imgtec.com>
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 4184045145..ff633f76a0 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -764,7 +764,7 @@ static ssize_t dp8393x_receive(NetClientState *nc, const
uint8_t * buf,
data[0 * width] = 0; /* in_use */
address_space_rw(&s->as,
((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) +
sizeof(uint16_t) * 6 * width,
- MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, size, 1);
+ MEMTXATTRS_UNSPECIFIED, (uint8_t *)data, sizeof(uint16_t), 1);
s->regs[SONIC_CRDA] = s->regs[SONIC_LLFA];
s->regs[SONIC_ISR] |= SONIC_ISR_PKTRX;
s->regs[SONIC_RSC] = (s->regs[SONIC_RSC] & 0xff00) | (((s->regs[SONIC_RSC]
& 0x00ff) + 1) & 0x00ff);