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Merge remote-tracking branch 'stefanha/tags/net-pull-request' into staging

Net patches

# gpg: Signature made Mon 27 Jan 2014 14:45:35 GMT using RSA key ID 81AB73C8
# gpg: Can't check signature: public key not found

* stefanha/tags/net-pull-request:
  tap-linux: Get features once and use it many times
  Fix lan9118 buffer length handling
  Fix lan9118 TX "CMD A" handling
  net: Use g_strdup_printf instead of snprintf.

Message-id: 1390834129-19625-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-01-30 22:25:39 +00:00
parent dc08f85188 1f149e721f
commit 8e02b35926
3 changed files with 12 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
hw/net/lan9118.c
View file

@ -727,14 +727,14 @@ static void tx_fifo_push(lan9118_state *s, uint32_t val)
s->txp->cmd_a = val & 0x831f37ff;
s->txp->fifo_used++;
s->txp->state = TX_B;
s->txp->buffer_size = extract32(s->txp->cmd_a, 0, 11);
s->txp->offset = extract32(s->txp->cmd_a, 16, 5);
break;
case TX_B:
if (s->txp->cmd_a & 0x2000) {
/* First segment */
s->txp->cmd_b = val;
s->txp->fifo_used++;
s->txp->buffer_size = s->txp->cmd_a & 0x7ff;
s->txp->offset = (s->txp->cmd_a >> 16) & 0x1f;
/* End alignment does not include command words. */
n = (s->txp->buffer_size + s->txp->offset + 3) >> 2;
switch ((n >> 24) & 3) {
@ -763,7 +763,7 @@ static void tx_fifo_push(lan9118_state *s, uint32_t val)
if (s->txp->buffer_size <= 0 && s->txp->pad != 0) {
s->txp->pad--;
} else {
n = 4;
n = MIN(4, s->txp->buffer_size + s->txp->offset);
while (s->txp->offset) {
val >>= 8;
n--;

5
net/net.c
View file

@ -164,7 +164,6 @@ void qemu_macaddr_default_if_unset(MACAddr *macaddr)
static char *assign_name(NetClientState *nc1, const char *model)
{
NetClientState *nc;
char buf[256];
int id = 0;
QTAILQ_FOREACH(nc, &net_clients, next) {
@ -176,9 +175,7 @@ static char *assign_name(NetClientState *nc1, const char *model)
}
}
snprintf(buf, sizeof(buf), "%s.%d", model, id);
return g_strdup(buf);
return g_strdup_printf("%s.%d", model, id);
}
static void qemu_net_client_destructor(NetClientState *nc)

14
net/tap-linux.c
View file

@ -52,14 +52,17 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (ioctl(fd, TUNGETFEATURES, &features) == 0 &&
features & IFF_ONE_QUEUE) {
if (ioctl(fd, TUNGETFEATURES, &features) == -1) {
error_report("warning: TUNGETFEATURES failed: %s", strerror(errno));
features = 0;
}
if (features & IFF_ONE_QUEUE) {
ifr.ifr_flags |= IFF_ONE_QUEUE;
}
if (*vnet_hdr) {
if (ioctl(fd, TUNGETFEATURES, &features) == 0 &&
features & IFF_VNET_HDR) {
if (features & IFF_VNET_HDR) {
*vnet_hdr = 1;
ifr.ifr_flags |= IFF_VNET_HDR;
} else {
@ -82,8 +85,7 @@ int tap_open(char *ifname, int ifname_size, int *vnet_hdr,
}
if (mq_required) {
if ((ioctl(fd, TUNGETFEATURES, &features) != 0) ||
!(features & IFF_MULTI_QUEUE)) {
if (!(features & IFF_MULTI_QUEUE)) {
error_report("multiqueue required, but no kernel "
"support for IFF_MULTI_QUEUE available");
close(fd);