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author | Peter Maydell <peter.maydell@linaro.org> | 2015-07-27 14:53:42 +0100 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2015-07-27 14:53:42 +0100 |
commit | 122e7dab8ac549c8c5a9e1e13aa2464190e888de (patch) | |
tree | 110679c12752916fc4ae9b011b9d7fa98a2127ae /hw/net/stellaris_enet.c | |
parent | e40db4c6d391419c0039fe274c74df32a6ca1a28 (diff) | |
parent | f9f7492ea4a9dda538fedeec31399fb940533a16 (diff) | |
download | hqemu-122e7dab8ac549c8c5a9e1e13aa2464190e888de.zip hqemu-122e7dab8ac549c8c5a9e1e13aa2464190e888de.tar.gz |
Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging
Pull request
Here are NIC fixes from Fam Zheng that prevent rx hangs (caused by NIC models
where .can_receive() stops rx but qemu_flush_queued_packets() isn't called).
# gpg: Signature made Mon Jul 27 14:51:48 2015 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/net-pull-request:
axienet: Flush queued packets when rx is done
dp8393x: Flush packets when link comes up
stellaris_enet: Flush queued packets when read done
mipsnet: Flush queued packets when receiving is enabled
milkymist-minimac2: Flush queued packets when link comes up
mcf_fec: Drop mcf_fec_can_receive
etsec: Flush queue when rx buffer is consumed
etsec: Move etsec_can_receive into etsec_receive
usbnet: Drop usbnet_can_receive
eepro100: Drop nic_can_receive
pcnet: Drop pcnet_can_receive
xgmac: Drop packets with eth_can_rx is false.
hw/net: fix mcf_fec driver receiver
hw/net: add simple phy support to mcf_fec driver
hw/net: add ANLPAR bit definitions to generic mii
hw/net: create common collection of MII definitions
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/net/stellaris_enet.c')
-rw-r--r-- | hw/net/stellaris_enet.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/hw/net/stellaris_enet.c b/hw/net/stellaris_enet.c index 278a654..21a4773 100644 --- a/hw/net/stellaris_enet.c +++ b/hw/net/stellaris_enet.c @@ -228,8 +228,7 @@ static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, si if ((s->rctl & SE_RCTL_RXEN) == 0) return -1; if (s->np >= 31) { - DPRINTF("Packet dropped\n"); - return -1; + return 0; } DPRINTF("Received packet len=%zu\n", size); @@ -260,13 +259,8 @@ static ssize_t stellaris_enet_receive(NetClientState *nc, const uint8_t *buf, si return size; } -static int stellaris_enet_can_receive(NetClientState *nc) +static int stellaris_enet_can_receive(stellaris_enet_state *s) { - stellaris_enet_state *s = qemu_get_nic_opaque(nc); - - if ((s->rctl & SE_RCTL_RXEN) == 0) - return 1; - return (s->np < 31); } @@ -307,6 +301,9 @@ static uint64_t stellaris_enet_read(void *opaque, hwaddr offset, s->next_packet = 0; s->np--; DPRINTF("RX done np=%d\n", s->np); + if (!s->np && stellaris_enet_can_receive(s)) { + qemu_flush_queued_packets(qemu_get_queue(s->nic)); + } } return val; } @@ -454,7 +451,6 @@ static void stellaris_enet_reset(stellaris_enet_state *s) static NetClientInfo net_stellaris_enet_info = { .type = NET_CLIENT_OPTIONS_KIND_NIC, .size = sizeof(NICState), - .can_receive = stellaris_enet_can_receive, .receive = stellaris_enet_receive, }; |