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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/net/smc91c111.c
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/hw/net/smc91c111.c')
-rw-r--r--qemu/hw/net/smc91c111.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/qemu/hw/net/smc91c111.c b/qemu/hw/net/smc91c111.c
index 74e06e6c7..21c1b8f54 100644
--- a/qemu/hw/net/smc91c111.c
+++ b/qemu/hw/net/smc91c111.c
@@ -7,6 +7,7 @@
* This code is licensed under the GPL
*/
+#include "qemu/osdep.h"
#include "hw/sysbus.h"
#include "net/net.h"
#include "hw/devices.h"
@@ -124,6 +125,25 @@ static void smc91c111_update(smc91c111_state *s)
qemu_set_irq(s->irq, level);
}
+static int smc91c111_can_receive(smc91c111_state *s)
+{
+ if ((s->rcr & RCR_RXEN) == 0 || (s->rcr & RCR_SOFT_RST)) {
+ return 1;
+ }
+ if (s->allocated == (1 << NUM_PACKETS) - 1 ||
+ s->rx_fifo_len == NUM_PACKETS) {
+ return 0;
+ }
+ return 1;
+}
+
+static inline void smc91c111_flush_queued_packets(smc91c111_state *s)
+{
+ if (smc91c111_can_receive(s)) {
+ qemu_flush_queued_packets(qemu_get_queue(s->nic));
+ }
+}
+
/* Try to allocate a packet. Returns 0x80 on failure. */
static int smc91c111_allocate_packet(smc91c111_state *s)
{
@@ -164,6 +184,7 @@ static void smc91c111_pop_rx_fifo(smc91c111_state *s)
} else {
s->int_level &= ~INT_RCV;
}
+ smc91c111_flush_queued_packets(s);
smc91c111_update(s);
}
@@ -185,7 +206,7 @@ static void smc91c111_release_packet(smc91c111_state *s, int packet)
s->allocated &= ~(1 << packet);
if (s->tx_alloc == 0x80)
smc91c111_tx_alloc(s);
- qemu_flush_queued_packets(qemu_get_queue(s->nic));
+ smc91c111_flush_queued_packets(s);
}
/* Flush the TX FIFO. */
@@ -311,6 +332,7 @@ static void smc91c111_writeb(void *opaque, hwaddr offset,
if (s->rcr & RCR_SOFT_RST) {
smc91c111_reset(DEVICE(s));
}
+ smc91c111_flush_queued_packets(s);
return;
case 10: case 11: /* RPCR */
/* Ignored */
@@ -636,15 +658,11 @@ static uint32_t smc91c111_readl(void *opaque, hwaddr offset)
return val;
}
-static int smc91c111_can_receive(NetClientState *nc)
+static int smc91c111_can_receive_nc(NetClientState *nc)
{
smc91c111_state *s = qemu_get_nic_opaque(nc);
- if ((s->rcr & RCR_RXEN) == 0 || (s->rcr & RCR_SOFT_RST))
- return 1;
- if (s->allocated == (1 << NUM_PACKETS) - 1)
- return 0;
- return 1;
+ return smc91c111_can_receive(s);
}
static ssize_t smc91c111_receive(NetClientState *nc, const uint8_t *buf, size_t size)
@@ -739,7 +757,7 @@ static const MemoryRegionOps smc91c111_mem_ops = {
static NetClientInfo net_smc91c111_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
- .can_receive = smc91c111_can_receive,
+ .can_receive = smc91c111_can_receive_nc,
.receive = smc91c111_receive,
};