Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging
# gpg: Signature made Tue Jul 7 13:38:13 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:
rocker: tests: don't need to specify master/self when setting vlans
rocker: mark copy-to-cpu pkts as forwarding offloaded
rocker: return -1 when dropping packet on ingress
rocker: fix missing break statements
rocker: fix misplaced break statement
rocker: don't queue receive pkts when port is disabled
vmxnet3: Fix incorrect small packet padding
e1000: flush packets when link comes up
rocker: fix memory leak
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/docs/specs/rocker.txt b/docs/specs/rocker.txt
index 0af5c61..1c74351 100644
--- a/docs/specs/rocker.txt
+++ b/docs/specs/rocker.txt
@@ -637,6 +637,7 @@
(1 << 5): TCP packet
(1 << 6): UDP packet
(1 << 7): TCP/UDP csum good
+ (1 << 8): Offload forward
RX_CSUM 2 IP calculated checksum:
IPv4: IP payload csum
IPv6: header and payload csum
@@ -645,6 +646,9 @@
RX_FRAG_MAX_LEN 2 Packet maximum fragment length
RX_FRAG_LEN 2 Actual packet fragment length after receive
+Offload forward RX_FLAG indicates the device has already forwarded the packet
+so the host CPU should not also forward the packet.
+
Possible status return codes in descriptor on completion are:
DESC_COMP_ERR reason
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index bab8e2a..5c6bcd0 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -185,6 +185,9 @@
{
s->mac_reg[STATUS] |= E1000_STATUS_LU;
s->phy_reg[PHY_STATUS] |= MII_SR_LINK_STATUS;
+
+ /* E1000_STATUS_LU is tested by e1000_can_receive() */
+ qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
static bool
diff --git a/hw/net/rocker/rocker.c b/hw/net/rocker/rocker.c
index 4d25842..47d080f 100644
--- a/hw/net/rocker/rocker.c
+++ b/hw/net/rocker/rocker.c
@@ -96,7 +96,7 @@
RockerSwitch *qmp_query_rocker(const char *name, Error **errp)
{
- RockerSwitch *rocker = g_malloc0(sizeof(*rocker));
+ RockerSwitch *rocker;
Rocker *r;
r = rocker_find(name);
@@ -106,6 +106,7 @@
return NULL;
}
+ rocker = g_new0(RockerSwitch, 1);
rocker->name = g_strdup(r->name);
rocker->id = r->switch_id;
rocker->ports = r->fp_ports;
@@ -192,11 +193,13 @@
if (!tlvs[ROCKER_TLV_TX_L3_CSUM_OFF]) {
return -ROCKER_EINVAL;
}
+ break;
case ROCKER_TX_OFFLOAD_TSO:
if (!tlvs[ROCKER_TLV_TX_TSO_MSS] ||
!tlvs[ROCKER_TLV_TX_TSO_HDR_LEN]) {
return -ROCKER_EINVAL;
}
+ break;
}
if (tlvs[ROCKER_TLV_TX_L3_CSUM_OFF]) {
@@ -600,7 +603,7 @@
}
int rx_produce(World *world, uint32_t pport,
- const struct iovec *iov, int iovcnt)
+ const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu)
{
Rocker *r = world_rocker(world);
PCIDevice *dev = (PCIDevice *)r;
@@ -643,6 +646,10 @@
goto out;
}
+ if (copy_to_cpu) {
+ rx_flags |= ROCKER_RX_FLAGS_FWD_OFFLOAD;
+ }
+
/* XXX calc rx flags/csum */
tlv_size = rocker_tlv_total_size(sizeof(uint16_t)) + /* flags */
diff --git a/hw/net/rocker/rocker.h b/hw/net/rocker/rocker.h
index b3310b6..f9c80f8 100644
--- a/hw/net/rocker/rocker.h
+++ b/hw/net/rocker/rocker.h
@@ -77,7 +77,7 @@
int rocker_event_mac_vlan_seen(Rocker *r, uint32_t pport, uint8_t *addr,
uint16_t vlan_id);
int rx_produce(World *world, uint32_t pport,
- const struct iovec *iov, int iovcnt);
+ const struct iovec *iov, int iovcnt, uint8_t copy_to_cpu);
int rocker_port_eg(Rocker *r, uint32_t pport,
const struct iovec *iov, int iovcnt);
diff --git a/hw/net/rocker/rocker_fp.c b/hw/net/rocker/rocker_fp.c
index d8d934c..c693ae5 100644
--- a/hw/net/rocker/rocker_fp.c
+++ b/hw/net/rocker/rocker_fp.c
@@ -125,18 +125,21 @@
return ROCKER_OK;
}
-static int fp_port_can_receive(NetClientState *nc)
-{
- FpPort *port = qemu_get_nic_opaque(nc);
-
- return port->enabled;
-}
-
static ssize_t fp_port_receive_iov(NetClientState *nc, const struct iovec *iov,
int iovcnt)
{
FpPort *port = qemu_get_nic_opaque(nc);
+ /* If the port is disabled, we want to drop this pkt
+ * now rather than queing it for later. We don't want
+ * any stale pkts getting into the device when the port
+ * transitions to enabled.
+ */
+
+ if (!port->enabled) {
+ return -1;
+ }
+
return world_ingress(port->world, port->pport, iov, iovcnt);
}
@@ -165,7 +168,6 @@
static NetClientInfo fp_port_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
- .can_receive = fp_port_can_receive,
.receive = fp_port_receive,
.receive_iov = fp_port_receive_iov,
.cleanup = fp_port_cleanup,
diff --git a/hw/net/rocker/rocker_hw.h b/hw/net/rocker/rocker_hw.h
index fe639ba..8c50830 100644
--- a/hw/net/rocker/rocker_hw.h
+++ b/hw/net/rocker/rocker_hw.h
@@ -250,6 +250,7 @@
#define ROCKER_RX_FLAGS_TCP (1 << 5)
#define ROCKER_RX_FLAGS_UDP (1 << 6)
#define ROCKER_RX_FLAGS_TCP_UDP_CSUM_GOOD (1 << 7)
+#define ROCKER_RX_FLAGS_FWD_OFFLOAD (1 << 8)
/* Tx msg */
enum {
diff --git a/hw/net/rocker/rocker_of_dpa.c b/hw/net/rocker/rocker_of_dpa.c
index b25a17d..874fb01 100644
--- a/hw/net/rocker/rocker_of_dpa.c
+++ b/hw/net/rocker/rocker_of_dpa.c
@@ -825,6 +825,8 @@
static void of_dpa_output_l2_interface(OfDpaFlowContext *fc,
OfDpaGroup *group)
{
+ uint8_t copy_to_cpu = fc->action_set.apply.copy_to_cpu;
+
if (group->l2_interface.pop_vlan) {
of_dpa_flow_pkt_strip_vlan(fc);
}
@@ -837,7 +839,8 @@
*/
if (group->l2_interface.out_pport == 0) {
- rx_produce(fc->of_dpa->world, fc->in_pport, fc->iov, fc->iovcnt);
+ rx_produce(fc->of_dpa->world, fc->in_pport, fc->iov, fc->iovcnt,
+ copy_to_cpu);
} else if (group->l2_interface.out_pport != fc->in_pport) {
rocker_port_eg(world_rocker(fc->of_dpa->world),
group->l2_interface.out_pport,
@@ -2525,7 +2528,6 @@
ngroup->has_set_vlan_id = true;
ngroup->set_vlan_id = ntohs(group->l2_rewrite.vlan_id);
}
- break;
if (memcmp(group->l2_rewrite.src_mac.a, zero_mac.a, ETH_ALEN)) {
ngroup->has_set_eth_src = true;
ngroup->set_eth_src =
@@ -2536,6 +2538,7 @@
ngroup->set_eth_dst =
qemu_mac_strdup_printf(group->l2_rewrite.dst_mac.a);
}
+ break;
case ROCKER_OF_DPA_GROUP_TYPE_L2_FLOOD:
case ROCKER_OF_DPA_GROUP_TYPE_L2_MCAST:
ngroup->has_vlan_id = true;
diff --git a/hw/net/rocker/rocker_world.c b/hw/net/rocker/rocker_world.c
index b991e87..a6b18f1 100644
--- a/hw/net/rocker/rocker_world.c
+++ b/hw/net/rocker/rocker_world.c
@@ -32,7 +32,7 @@
return world->ops->ig(world, pport, iov, iovcnt);
}
- return iov_size(iov, iovcnt);
+ return -1;
}
int world_do_cmd(World *world, DescInfo *info,
diff --git a/hw/net/vmxnet3.c b/hw/net/vmxnet3.c
index 104a0f5..706e060 100644
--- a/hw/net/vmxnet3.c
+++ b/hw/net/vmxnet3.c
@@ -1879,6 +1879,12 @@
return -1;
}
+ if (s->peer_has_vhdr) {
+ vmxnet_rx_pkt_set_vhdr(s->rx_pkt, (struct virtio_net_hdr *)buf);
+ buf += sizeof(struct virtio_net_hdr);
+ size -= sizeof(struct virtio_net_hdr);
+ }
+
/* Pad to minimum Ethernet frame length */
if (size < sizeof(min_buf)) {
memcpy(min_buf, buf, size);
@@ -1887,12 +1893,6 @@
size = sizeof(min_buf);
}
- if (s->peer_has_vhdr) {
- vmxnet_rx_pkt_set_vhdr(s->rx_pkt, (struct virtio_net_hdr *)buf);
- buf += sizeof(struct virtio_net_hdr);
- size -= sizeof(struct virtio_net_hdr);
- }
-
vmxnet_rx_pkt_set_packet_type(s->rx_pkt,
get_eth_packet_type(PKT_GET_ETH_HDR(buf)));
diff --git a/tests/rocker/bridge-vlan b/tests/rocker/bridge-vlan
index ef9e5f5..897d82c 100755
--- a/tests/rocker/bridge-vlan
+++ b/tests/rocker/bridge-vlan
@@ -20,8 +20,8 @@
# add both ports to VLAN 57
-simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p1 master self"
-simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p2 master self"
+simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p1"
+simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p2"
# turn off learning and flooding in SW
diff --git a/tests/rocker/bridge-vlan-stp b/tests/rocker/bridge-vlan-stp
index c660312..85d2646 100755
--- a/tests/rocker/bridge-vlan-stp
+++ b/tests/rocker/bridge-vlan-stp
@@ -21,8 +21,8 @@
# add both ports to VLAN 57
-simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p1 master self"
-simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p2 master self"
+simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p1"
+simp ssh tut sw1 --cmd "sudo /sbin/bridge vlan add vid 57 dev sw1p2"
# turn off learning and flooding in SW
