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[Qemu-devel] [PATCH for-2.4 05/12] etsec: Move etsec_can_receive into et
From: |
Fam Zheng |
Subject: |
[Qemu-devel] [PATCH for-2.4 05/12] etsec: Move etsec_can_receive into etsec_receive |
Date: |
Tue, 14 Jul 2015 15:53:34 +0800 |
When etsec_reset returns 0, peer would queue the packet as if
.can_receive returns false. Drop etsec_can_receive and let etsec_receive
carry the semantics.
Signed-off-by: Fam Zheng <address@hidden>
---
hw/net/fsl_etsec/etsec.c | 11 +----------
hw/net/fsl_etsec/etsec.h | 2 +-
hw/net/fsl_etsec/rings.c | 14 ++++++++------
3 files changed, 10 insertions(+), 17 deletions(-)
diff --git a/hw/net/fsl_etsec/etsec.c b/hw/net/fsl_etsec/etsec.c
index c57365f..f5170ae 100644
--- a/hw/net/fsl_etsec/etsec.c
+++ b/hw/net/fsl_etsec/etsec.c
@@ -338,13 +338,6 @@ static void etsec_reset(DeviceState *d)
MII_SR_100X_FD_CAPS | MII_SR_100T4_CAPS;
}
-static int etsec_can_receive(NetClientState *nc)
-{
- eTSEC *etsec = qemu_get_nic_opaque(nc);
-
- return etsec->rx_buffer_len == 0;
-}
-
static ssize_t etsec_receive(NetClientState *nc,
const uint8_t *buf,
size_t size)
@@ -355,8 +348,7 @@ static ssize_t etsec_receive(NetClientState *nc,
fprintf(stderr, "%s receive size:%d\n", etsec->nic->nc.name, size);
qemu_hexdump(buf, stderr, "", size);
#endif
- etsec_rx_ring_write(etsec, buf, size);
- return size;
+ return etsec_rx_ring_write(etsec, buf, size);
}
@@ -370,7 +362,6 @@ static void etsec_set_link_status(NetClientState *nc)
static NetClientInfo net_etsec_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
- .can_receive = etsec_can_receive,
.receive = etsec_receive,
.link_status_changed = etsec_set_link_status,
};
diff --git a/hw/net/fsl_etsec/etsec.h b/hw/net/fsl_etsec/etsec.h
index 78d2c57..fc41773 100644
--- a/hw/net/fsl_etsec/etsec.h
+++ b/hw/net/fsl_etsec/etsec.h
@@ -162,7 +162,7 @@ DeviceState *etsec_create(hwaddr base,
void etsec_walk_tx_ring(eTSEC *etsec, int ring_nbr);
void etsec_walk_rx_ring(eTSEC *etsec, int ring_nbr);
-void etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size);
+ssize_t etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size);
void etsec_write_miim(eTSEC *etsec,
eTSEC_Register *reg,
diff --git a/hw/net/fsl_etsec/rings.c b/hw/net/fsl_etsec/rings.c
index d4a494f..a11280b 100644
--- a/hw/net/fsl_etsec/rings.c
+++ b/hw/net/fsl_etsec/rings.c
@@ -481,40 +481,42 @@ static void rx_init_frame(eTSEC *etsec, const uint8_t
*buf, size_t size)
etsec->rx_buffer_len, etsec->rx_padding);
}
-void etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size)
+ssize_t etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size)
{
int ring_nbr = 0; /* Always use ring0 (no filer) */
if (etsec->rx_buffer_len != 0) {
RING_DEBUG("%s: We can't receive now,"
" a buffer is already in the pipe\n", __func__);
- return;
+ return 0;
}
if (etsec->regs[RSTAT].value & 1 << (23 - ring_nbr)) {
RING_DEBUG("%s: The ring is halted\n", __func__);
- return;
+ return -1;
}
if (etsec->regs[DMACTRL].value & DMACTRL_GRS) {
RING_DEBUG("%s: Graceful receive stop\n", __func__);
- return;
+ return -1;
}
if (!(etsec->regs[MACCFG1].value & MACCFG1_RX_EN)) {
RING_DEBUG("%s: MAC Receive not enabled\n", __func__);
- return;
+ return -1;
}
if ((etsec->regs[RCTRL].value & RCTRL_RSF) && (size < 60)) {
/* CRC is not in the packet yet, so short frame is below 60 bytes */
RING_DEBUG("%s: Drop short frame\n", __func__);
- return;
+ return -1;
}
rx_init_frame(etsec, buf, size);
etsec_walk_rx_ring(etsec, ring_nbr);
+
+ return size;
}
void etsec_walk_rx_ring(eTSEC *etsec, int ring_nbr)
--
2.4.3
- [Qemu-devel] [PATCH for-2.4 00/12] hw/net: Fix .can_receive() for NICs, Fam Zheng, 2015/07/14
- [Qemu-devel] [PATCH for-2.4 01/12] xgmac: Drop packets with eth_can_rx is false., Fam Zheng, 2015/07/14
- [Qemu-devel] [PATCH for-2.4 02/12] pcnet: Drop pcnet_can_receive, Fam Zheng, 2015/07/14
- [Qemu-devel] [PATCH for-2.4 03/12] eepro100: Drop nic_can_receive, Fam Zheng, 2015/07/14
- [Qemu-devel] [PATCH for-2.4 04/12] usbnet: Drop usbnet_can_receive, Fam Zheng, 2015/07/14
- [Qemu-devel] [PATCH for-2.4 05/12] etsec: Move etsec_can_receive into etsec_receive,
Fam Zheng <=
- [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Fam Zheng, 2015/07/14
- Re: [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Jason Wang, 2015/07/14
- Re: [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Fam Zheng, 2015/07/14
- Re: [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Jason Wang, 2015/07/15
- Re: [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Fam Zheng, 2015/07/15
- Re: [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Jason Wang, 2015/07/15
- Re: [Qemu-devel] [PATCH for-2.4 06/12] etsec: Flush queue when rx buffer is consumed, Fam Zheng, 2015/07/15
[Qemu-devel] [PATCH for-2.4 07/12] mcf_fec: Drop mcf_fec_can_receive, Fam Zheng, 2015/07/14