Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Tue 31 Mar 2020 14:15:18 BST
# gpg: using RSA key EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* remotes/jasowang/tags/net-pull-request:
qtest: add tulip test case
hw/net/allwinner-sun8i-emac.c: Fix REG_ADDR_HIGH/LOW reads
net: tulip: check frame size and r/w data length
net/colo-compare.c: Expose "expired_scan_cycle" to users
net/colo-compare.c: Expose "compare_timeout" to users
hw/net/can: Make CanBusClientInfo::can_receive() return a boolean
hw/net: Make NetCanReceive() return a boolean
hw/net/rtl8139: Update coding style to make checkpatch.pl happy
hw/net/rtl8139: Simplify if/else statement
hw/net/smc91c111: Let smc91c111_can_receive() return a boolean
hw/net/e1000e_core: Let e1000e_can_receive() return a boolean
Fixed integer overflow in e1000e
hw/net/i82596.c: Avoid reading off end of buffer in i82596_receive()
hw/net/i82596: Correct command bitmask (CID 1419392)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/hw/net/allwinner-sun8i-emac.c b/hw/net/allwinner-sun8i-emac.c
index 3fc5e34..28637ff 100644
--- a/hw/net/allwinner-sun8i-emac.c
+++ b/hw/net/allwinner-sun8i-emac.c
@@ -395,7 +395,7 @@
cpu_physical_memory_write(phys_addr, desc, sizeof(*desc));
}
-static int allwinner_sun8i_emac_can_receive(NetClientState *nc)
+static bool allwinner_sun8i_emac_can_receive(NetClientState *nc)
{
AwSun8iEmacState *s = qemu_get_nic_opaque(nc);
FrameDescriptor desc;
@@ -611,10 +611,10 @@
value = s->mii_data;
break;
case REG_ADDR_HIGH: /* MAC Address High */
- value = *(((uint32_t *) (s->conf.macaddr.a)) + 1);
+ value = lduw_le_p(s->conf.macaddr.a + 4);
break;
case REG_ADDR_LOW: /* MAC Address Low */
- value = *(uint32_t *) (s->conf.macaddr.a);
+ value = ldl_le_p(s->conf.macaddr.a);
break;
case REG_TX_DMA_STA: /* Transmit DMA Status */
break;
@@ -728,14 +728,10 @@
s->mii_data = value;
break;
case REG_ADDR_HIGH: /* MAC Address High */
- s->conf.macaddr.a[4] = (value & 0xff);
- s->conf.macaddr.a[5] = (value & 0xff00) >> 8;
+ stw_le_p(s->conf.macaddr.a + 4, value);
break;
case REG_ADDR_LOW: /* MAC Address Low */
- s->conf.macaddr.a[0] = (value & 0xff);
- s->conf.macaddr.a[1] = (value & 0xff00) >> 8;
- s->conf.macaddr.a[2] = (value & 0xff0000) >> 16;
- s->conf.macaddr.a[3] = (value & 0xff000000) >> 24;
+ stl_le_p(s->conf.macaddr.a, value);
break;
case REG_TX_DMA_STA: /* Transmit DMA Status */
case REG_TX_CUR_DESC: /* Transmit Current Descriptor */
diff --git a/hw/net/allwinner_emac.c b/hw/net/allwinner_emac.c
index e9bbff8..ddddf35 100644
--- a/hw/net/allwinner_emac.c
+++ b/hw/net/allwinner_emac.c
@@ -178,7 +178,7 @@
return ret;
}
-static int aw_emac_can_receive(NetClientState *nc)
+static bool aw_emac_can_receive(NetClientState *nc)
{
AwEmacState *s = qemu_get_nic_opaque(nc);
diff --git a/hw/net/cadence_gem.c b/hw/net/cadence_gem.c
index 6340c1e..51ec5a0 100644
--- a/hw/net/cadence_gem.c
+++ b/hw/net/cadence_gem.c
@@ -505,7 +505,7 @@
}
}
-static int gem_can_receive(NetClientState *nc)
+static bool gem_can_receive(NetClientState *nc)
{
CadenceGEMState *s;
int i;
@@ -518,7 +518,7 @@
s->can_rx_state = 1;
DB_PRINT("can't receive - no enable\n");
}
- return 0;
+ return false;
}
for (i = 0; i < s->num_priority_queues; i++) {
@@ -532,14 +532,14 @@
s->can_rx_state = 2;
DB_PRINT("can't receive - all the buffer descriptors are busy\n");
}
- return 0;
+ return false;
}
if (s->can_rx_state != 0) {
s->can_rx_state = 0;
DB_PRINT("can receive\n");
}
- return 1;
+ return true;
}
/*
diff --git a/hw/net/can/can_sja1000.c b/hw/net/can/can_sja1000.c
index 39c78fa..ea915a0 100644
--- a/hw/net/can/can_sja1000.c
+++ b/hw/net/can/can_sja1000.c
@@ -733,21 +733,21 @@
return temp;
}
-int can_sja_can_receive(CanBusClientState *client)
+bool can_sja_can_receive(CanBusClientState *client)
{
CanSJA1000State *s = container_of(client, CanSJA1000State, bus_client);
if (s->clock & 0x80) { /* PeliCAN Mode */
if (s->mode & 0x01) { /* reset mode. */
- return 0;
+ return false;
}
} else { /* BasicCAN mode */
if (s->control & 0x01) {
- return 0;
+ return false;
}
}
- return 1; /* always return 1, when operation mode */
+ return true; /* always return true, when operation mode */
}
ssize_t can_sja_receive(CanBusClientState *client, const qemu_can_frame *frames,
diff --git a/hw/net/can/can_sja1000.h b/hw/net/can/can_sja1000.h
index 220a622..7ca9cd6 100644
--- a/hw/net/can/can_sja1000.h
+++ b/hw/net/can/can_sja1000.h
@@ -137,7 +137,7 @@
int can_sja_init(CanSJA1000State *s, qemu_irq irq);
-int can_sja_can_receive(CanBusClientState *client);
+bool can_sja_can_receive(CanBusClientState *client);
ssize_t can_sja_receive(CanBusClientState *client,
const qemu_can_frame *frames, size_t frames_cnt);
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 1563c11..c54db0d 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -414,7 +414,7 @@
dp8393x_update_wt_regs(s);
}
-static int dp8393x_can_receive(NetClientState *nc);
+static bool dp8393x_can_receive(NetClientState *nc);
static void dp8393x_do_receiver_enable(dp8393xState *s)
{
@@ -718,13 +718,11 @@
dp8393x_update_irq(s);
}
-static int dp8393x_can_receive(NetClientState *nc)
+static bool dp8393x_can_receive(NetClientState *nc)
{
dp8393xState *s = qemu_get_nic_opaque(nc);
- if (!(s->regs[SONIC_CR] & SONIC_CR_RXEN))
- return 0;
- return 1;
+ return !!(s->regs[SONIC_CR] & SONIC_CR_RXEN);
}
static int dp8393x_receive_filter(dp8393xState *s, const uint8_t * buf,
diff --git a/hw/net/e1000.c b/hw/net/e1000.c
index 9233248..2a69eee 100644
--- a/hw/net/e1000.c
+++ b/hw/net/e1000.c
@@ -845,7 +845,7 @@
return total_size <= bufs * s->rxbuf_size;
}
-static int
+static bool
e1000_can_receive(NetClientState *nc)
{
E1000State *s = qemu_get_nic_opaque(nc);
diff --git a/hw/net/e1000e.c b/hw/net/e1000e.c
index a91dbdc..79ba158 100644
--- a/hw/net/e1000e.c
+++ b/hw/net/e1000e.c
@@ -199,7 +199,7 @@
},
};
-static int
+static bool
e1000e_nc_can_receive(NetClientState *nc)
{
E1000EState *s = qemu_get_nic_opaque(nc);
@@ -328,7 +328,7 @@
s->nic = qemu_new_nic(&net_e1000e_info, &s->conf,
object_get_typename(OBJECT(s)), dev->id, s);
- s->core.max_queue_num = s->conf.peers.queues - 1;
+ s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;
trace_e1000e_mac_set_permanent(MAC_ARG(macaddr));
memcpy(s->core.permanent_mac, macaddr, sizeof(s->core.permanent_mac));
diff --git a/hw/net/e1000e_core.c b/hw/net/e1000e_core.c
index df957e0..d567687 100644
--- a/hw/net/e1000e_core.c
+++ b/hw/net/e1000e_core.c
@@ -967,7 +967,7 @@
}
}
-int
+bool
e1000e_can_receive(E1000ECore *core)
{
int i;
diff --git a/hw/net/e1000e_core.h b/hw/net/e1000e_core.h
index 49abb13..aee32f7 100644
--- a/hw/net/e1000e_core.h
+++ b/hw/net/e1000e_core.h
@@ -143,7 +143,7 @@
void
e1000e_core_pci_uninit(E1000ECore *core);
-int
+bool
e1000e_can_receive(E1000ECore *core);
ssize_t
diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c
index 2f92b65..041ed21 100644
--- a/hw/net/ftgmac100.c
+++ b/hw/net/ftgmac100.c
@@ -562,18 +562,18 @@
ftgmac100_update_irq(s);
}
-static int ftgmac100_can_receive(NetClientState *nc)
+static bool ftgmac100_can_receive(NetClientState *nc)
{
FTGMAC100State *s = FTGMAC100(qemu_get_nic_opaque(nc));
FTGMAC100Desc bd;
if ((s->maccr & (FTGMAC100_MACCR_RXDMA_EN | FTGMAC100_MACCR_RXMAC_EN))
!= (FTGMAC100_MACCR_RXDMA_EN | FTGMAC100_MACCR_RXMAC_EN)) {
- return 0;
+ return false;
}
if (ftgmac100_read_bd(&bd, s->rx_descriptor)) {
- return 0;
+ return false;
}
return !(bd.des0 & FTGMAC100_RXDES0_RXPKT_RDY);
}
diff --git a/hw/net/i82596.c b/hw/net/i82596.c
index fe9f239..055c3a1 100644
--- a/hw/net/i82596.c
+++ b/hw/net/i82596.c
@@ -43,6 +43,9 @@
#define SCB_STATUS_CNA 0x2000 /* CU left active state */
#define SCB_STATUS_RNR 0x1000 /* RU left active state */
+#define SCB_COMMAND_ACK_MASK \
+ (SCB_STATUS_CX | SCB_STATUS_FR | SCB_STATUS_CNA | SCB_STATUS_RNR)
+
#define CU_IDLE 0
#define CU_SUSPENDED 1
#define CU_ACTIVE 2
@@ -348,14 +351,7 @@
/* and clear the scb command word */
set_uint16(s->scb + 2, 0);
- if (command & BIT(31)) /* ACK-CX */
- s->scb_status &= ~SCB_STATUS_CX;
- if (command & BIT(30)) /*ACK-FR */
- s->scb_status &= ~SCB_STATUS_FR;
- if (command & BIT(29)) /*ACK-CNA */
- s->scb_status &= ~SCB_STATUS_CNA;
- if (command & BIT(28)) /*ACK-RNR */
- s->scb_status &= ~SCB_STATUS_RNR;
+ s->scb_status &= ~(command & SCB_COMMAND_ACK_MASK);
switch (cuc) {
case 0: /* no change */
@@ -474,23 +470,23 @@
i82596_s_reset(s);
}
-int i82596_can_receive(NetClientState *nc)
+bool i82596_can_receive(NetClientState *nc)
{
I82596State *s = qemu_get_nic_opaque(nc);
if (s->rx_status == RX_SUSPENDED) {
- return 0;
+ return false;
}
if (!s->lnkst) {
- return 0;
+ return false;
}
if (USE_TIMER && !timer_pending(s->flush_queue_timer)) {
- return 1;
+ return true;
}
- return 1;
+ return true;
}
#define MIN_BUF_SIZE 60
@@ -501,7 +497,8 @@
uint32_t rfd_p;
uint32_t rbd;
uint16_t is_broadcast = 0;
- size_t len = sz;
+ size_t len = sz; /* length of data for guest (including CRC) */
+ size_t bufsz = sz; /* length of data in buf */
uint32_t crc;
uint8_t *crc_ptr;
uint8_t buf1[MIN_BUF_SIZE + VLAN_HLEN];
@@ -595,6 +592,7 @@
if (len < MIN_BUF_SIZE) {
len = MIN_BUF_SIZE;
}
+ bufsz = len;
}
/* Calculate the ethernet checksum (4 bytes) */
@@ -627,6 +625,7 @@
while (len) {
uint16_t buffer_size, num;
uint32_t rba;
+ size_t bufcount, crccount;
/* printf("Receive: rbd is %08x\n", rbd); */
buffer_size = get_uint16(rbd + 12);
@@ -639,14 +638,37 @@
}
rba = get_uint32(rbd + 8);
/* printf("rba is 0x%x\n", rba); */
- address_space_write(&address_space_memory, rba,
- MEMTXATTRS_UNSPECIFIED, buf, num);
- rba += num;
- buf += num;
- len -= num;
- if (len == 0) { /* copy crc */
- address_space_write(&address_space_memory, rba - 4,
- MEMTXATTRS_UNSPECIFIED, crc_ptr, 4);
+ /*
+ * Calculate how many bytes we want from buf[] and how many
+ * from the CRC.
+ */
+ if ((len - num) >= 4) {
+ /* The whole guest buffer, we haven't hit the CRC yet */
+ bufcount = num;
+ } else {
+ /* All that's left of buf[] */
+ bufcount = len - 4;
+ }
+ crccount = num - bufcount;
+
+ if (bufcount > 0) {
+ /* Still some of the actual data buffer to transfer */
+ assert(bufsz >= bufcount);
+ bufsz -= bufcount;
+ address_space_write(&address_space_memory, rba,
+ MEMTXATTRS_UNSPECIFIED, buf, bufcount);
+ rba += bufcount;
+ buf += bufcount;
+ len -= bufcount;
+ }
+
+ /* Write as much of the CRC as fits */
+ if (crccount > 0) {
+ address_space_write(&address_space_memory, rba,
+ MEMTXATTRS_UNSPECIFIED, crc_ptr, crccount);
+ rba += crccount;
+ crc_ptr += crccount;
+ len -= crccount;
}
num |= 0x4000; /* set F BIT */
diff --git a/hw/net/i82596.h b/hw/net/i82596.h
index 1238ac1..f0bbe81 100644
--- a/hw/net/i82596.h
+++ b/hw/net/i82596.h
@@ -48,7 +48,7 @@
uint32_t i82596_ioport_readl(void *opaque, uint32_t addr);
uint32_t i82596_bcr_readw(I82596State *s, uint32_t rap);
ssize_t i82596_receive(NetClientState *nc, const uint8_t *buf, size_t size_);
-int i82596_can_receive(NetClientState *nc);
+bool i82596_can_receive(NetClientState *nc);
void i82596_set_link_status(NetClientState *nc);
void i82596_common_init(DeviceState *dev, I82596State *s, NetClientInfo *info);
extern const VMStateDescription vmstate_i82596;
diff --git a/hw/net/imx_fec.c b/hw/net/imx_fec.c
index 5c145a8..a35c336 100644
--- a/hw/net/imx_fec.c
+++ b/hw/net/imx_fec.c
@@ -1049,7 +1049,7 @@
imx_eth_update(s);
}
-static int imx_eth_can_receive(NetClientState *nc)
+static bool imx_eth_can_receive(NetClientState *nc)
{
IMXFECState *s = IMX_FEC(qemu_get_nic_opaque(nc));
diff --git a/hw/net/opencores_eth.c b/hw/net/opencores_eth.c
index 6b338c2..2ba0dc8 100644
--- a/hw/net/opencores_eth.c
+++ b/hw/net/opencores_eth.c
@@ -349,12 +349,11 @@
open_eth_set_link_status(qemu_get_queue(s->nic));
}
-static int open_eth_can_receive(NetClientState *nc)
+static bool open_eth_can_receive(NetClientState *nc)
{
OpenEthState *s = qemu_get_nic_opaque(nc);
- return GET_REGBIT(s, MODER, RXEN) &&
- (s->regs[TX_BD_NUM] < 0x80);
+ return GET_REGBIT(s, MODER, RXEN) && (s->regs[TX_BD_NUM] < 0x80);
}
static ssize_t open_eth_receive(NetClientState *nc,
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index ae4739b..70aca7e 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -793,26 +793,28 @@
return !(s->RxRingAddrLO == 0 && s->RxRingAddrHI == 0);
}
-static int rtl8139_can_receive(NetClientState *nc)
+static bool rtl8139_can_receive(NetClientState *nc)
{
RTL8139State *s = qemu_get_nic_opaque(nc);
int avail;
/* Receive (drop) packets if card is disabled. */
- if (!s->clock_enabled)
- return 1;
- if (!rtl8139_receiver_enabled(s))
- return 1;
+ if (!s->clock_enabled) {
+ return true;
+ }
+ if (!rtl8139_receiver_enabled(s)) {
+ return true;
+ }
if (rtl8139_cp_receiver_enabled(s) && rtl8139_cp_rx_valid(s)) {
/* ??? Flow control not implemented in c+ mode.
This is a hack to work around slirp deficiencies anyway. */
- return 1;
- } else {
- avail = MOD2(s->RxBufferSize + s->RxBufPtr - s->RxBufAddr,
- s->RxBufferSize);
- return (avail == 0 || avail >= 1514 || (s->IntrMask & RxOverflow));
+ return true;
}
+
+ avail = MOD2(s->RxBufferSize + s->RxBufPtr - s->RxBufAddr,
+ s->RxBufferSize);
+ return avail == 0 || avail >= 1514 || (s->IntrMask & RxOverflow);
}
static ssize_t rtl8139_do_receive(NetClientState *nc, const uint8_t *buf, size_t size_, int do_interrupt)
diff --git a/hw/net/smc91c111.c b/hw/net/smc91c111.c
index e9eb6f6..b3240b9 100644
--- a/hw/net/smc91c111.c
+++ b/hw/net/smc91c111.c
@@ -130,16 +130,16 @@
qemu_set_irq(s->irq, level);
}
-static int smc91c111_can_receive(smc91c111_state *s)
+static bool smc91c111_can_receive(smc91c111_state *s)
{
if ((s->rcr & RCR_RXEN) == 0 || (s->rcr & RCR_SOFT_RST)) {
- return 1;
+ return true;
}
if (s->allocated == (1 << NUM_PACKETS) - 1 ||
s->rx_fifo_len == NUM_PACKETS) {
- return 0;
+ return false;
}
- return 1;
+ return true;
}
static inline void smc91c111_flush_queued_packets(smc91c111_state *s)
@@ -667,7 +667,7 @@
}
}
-static int smc91c111_can_receive_nc(NetClientState *nc)
+static bool smc91c111_can_receive_nc(NetClientState *nc)
{
smc91c111_state *s = qemu_get_nic_opaque(nc);
diff --git a/hw/net/spapr_llan.c b/hw/net/spapr_llan.c
index 80f5a1d..a237702 100644
--- a/hw/net/spapr_llan.c
+++ b/hw/net/spapr_llan.c
@@ -110,11 +110,11 @@
RxBufPool *rx_pool[RX_MAX_POOLS]; /* Receive buffer descriptor pools */
} SpaprVioVlan;
-static int spapr_vlan_can_receive(NetClientState *nc)
+static bool spapr_vlan_can_receive(NetClientState *nc)
{
SpaprVioVlan *dev = qemu_get_nic_opaque(nc);
- return (dev->isopen && dev->rx_bufs > 0);
+ return dev->isopen && dev->rx_bufs > 0;
}
/**
diff --git a/hw/net/sungem.c b/hw/net/sungem.c
index 89da51f..b01197d 100644
--- a/hw/net/sungem.c
+++ b/hw/net/sungem.c
@@ -433,7 +433,7 @@
return kick == ((done + 1) & s->rx_mask);
}
-static int sungem_can_receive(NetClientState *nc)
+static bool sungem_can_receive(NetClientState *nc)
{
SunGEMState *s = qemu_get_nic_opaque(nc);
uint32_t kick, done, rxdma_cfg, rxmac_cfg;
@@ -445,11 +445,11 @@
/* If MAC disabled, can't receive */
if ((rxmac_cfg & MAC_RXCFG_ENAB) == 0) {
trace_sungem_rx_mac_disabled();
- return 0;
+ return false;
}
if ((rxdma_cfg & RXDMA_CFG_ENABLE) == 0) {
trace_sungem_rx_txdma_disabled();
- return 0;
+ return false;
}
/* Check RX availability */
diff --git a/hw/net/sunhme.c b/hw/net/sunhme.c
index 8863601..9c38583 100644
--- a/hw/net/sunhme.c
+++ b/hw/net/sunhme.c
@@ -657,11 +657,11 @@
sunhme_update_irq(s);
}
-static int sunhme_can_receive(NetClientState *nc)
+static bool sunhme_can_receive(NetClientState *nc)
{
SunHMEState *s = qemu_get_nic_opaque(nc);
- return s->macregs[HME_MACI_RXCFG >> 2] & HME_MAC_RXCFG_ENABLE;
+ return !!(s->macregs[HME_MACI_RXCFG >> 2] & HME_MAC_RXCFG_ENABLE);
}
static void sunhme_link_status_changed(NetClientState *nc)
diff --git a/hw/net/tulip.c b/hw/net/tulip.c
index cfac271..1295f51 100644
--- a/hw/net/tulip.c
+++ b/hw/net/tulip.c
@@ -170,6 +170,10 @@
} else {
len = s->rx_frame_len;
}
+
+ if (s->rx_frame_len + len > sizeof(s->rx_frame)) {
+ return;
+ }
pci_dma_write(&s->dev, desc->buf_addr1, s->rx_frame +
(s->rx_frame_size - s->rx_frame_len), len);
s->rx_frame_len -= len;
@@ -181,6 +185,10 @@
} else {
len = s->rx_frame_len;
}
+
+ if (s->rx_frame_len + len > sizeof(s->rx_frame)) {
+ return;
+ }
pci_dma_write(&s->dev, desc->buf_addr2, s->rx_frame +
(s->rx_frame_size - s->rx_frame_len), len);
s->rx_frame_len -= len;
@@ -227,7 +235,8 @@
trace_tulip_receive(buf, size);
- if (size < 14 || size > 2048 || s->rx_frame_len || tulip_rx_stopped(s)) {
+ if (size < 14 || size > sizeof(s->rx_frame) - 4
+ || s->rx_frame_len || tulip_rx_stopped(s)) {
return 0;
}
@@ -275,7 +284,6 @@
return tulip_receive(qemu_get_nic_opaque(nc), buf, size);
}
-
static NetClientInfo net_tulip_info = {
.type = NET_CLIENT_DRIVER_NIC,
.size = sizeof(NICState),
@@ -558,7 +566,7 @@
if ((s->csr[6] >> CSR6_OM_SHIFT) & CSR6_OM_MASK) {
/* Internal or external Loopback */
tulip_receive(s, s->tx_frame, s->tx_frame_len);
- } else {
+ } else if (s->tx_frame_len <= sizeof(s->tx_frame)) {
qemu_send_packet(qemu_get_queue(s->nic),
s->tx_frame, s->tx_frame_len);
}
@@ -570,23 +578,31 @@
}
}
-static void tulip_copy_tx_buffers(TULIPState *s, struct tulip_descriptor *desc)
+static int tulip_copy_tx_buffers(TULIPState *s, struct tulip_descriptor *desc)
{
int len1 = (desc->control >> TDES1_BUF1_SIZE_SHIFT) & TDES1_BUF1_SIZE_MASK;
int len2 = (desc->control >> TDES1_BUF2_SIZE_SHIFT) & TDES1_BUF2_SIZE_MASK;
+ if (s->tx_frame_len + len1 > sizeof(s->tx_frame)) {
+ return -1;
+ }
if (len1) {
pci_dma_read(&s->dev, desc->buf_addr1,
s->tx_frame + s->tx_frame_len, len1);
s->tx_frame_len += len1;
}
+ if (s->tx_frame_len + len2 > sizeof(s->tx_frame)) {
+ return -1;
+ }
if (len2) {
pci_dma_read(&s->dev, desc->buf_addr2,
s->tx_frame + s->tx_frame_len, len2);
s->tx_frame_len += len2;
}
desc->status = (len1 + len2) ? 0 : 0x7fffffff;
+
+ return 0;
}
static void tulip_setup_filter_addr(TULIPState *s, uint8_t *buf, int n)
@@ -651,13 +667,15 @@
static void tulip_xmit_list_update(TULIPState *s)
{
+#define TULIP_DESC_MAX 128
+ uint8_t i = 0;
struct tulip_descriptor desc;
if (tulip_ts(s) != CSR5_TS_SUSPENDED) {
return;
}
- for (;;) {
+ for (i = 0; i < TULIP_DESC_MAX; i++) {
tulip_desc_read(s, s->current_tx_desc, &desc);
tulip_dump_tx_descriptor(s, &desc);
@@ -675,10 +693,10 @@
s->tx_frame_len = 0;
}
- tulip_copy_tx_buffers(s, &desc);
-
- if (desc.control & TDES1_LS) {
- tulip_tx(s, &desc);
+ if (!tulip_copy_tx_buffers(s, &desc)) {
+ if (desc.control & TDES1_LS) {
+ tulip_tx(s, &desc);
+ }
}
}
tulip_desc_write(s, s->current_tx_desc, &desc);
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 3627bb1..a46e3b3 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1234,26 +1234,26 @@
qemu_flush_queued_packets(qemu_get_subqueue(n->nic, queue_index));
}
-static int virtio_net_can_receive(NetClientState *nc)
+static bool virtio_net_can_receive(NetClientState *nc)
{
VirtIONet *n = qemu_get_nic_opaque(nc);
VirtIODevice *vdev = VIRTIO_DEVICE(n);
VirtIONetQueue *q = virtio_net_get_subqueue(nc);
if (!vdev->vm_running) {
- return 0;
+ return false;
}
if (nc->queue_index >= n->curr_queues) {
- return 0;
+ return false;
}
if (!virtio_queue_ready(q->rx_vq) ||
!(vdev->status & VIRTIO_CONFIG_S_DRIVER_OK)) {
- return 0;
+ return false;
}
- return 1;
+ return true;
}
static int virtio_net_has_buffers(VirtIONetQueue *q, int bufsize)
diff --git a/hw/net/xilinx_ethlite.c b/hw/net/xilinx_ethlite.c
index cf07e69..71d16fe 100644
--- a/hw/net/xilinx_ethlite.c
+++ b/hw/net/xilinx_ethlite.c
@@ -175,7 +175,7 @@
}
};
-static int eth_can_rx(NetClientState *nc)
+static bool eth_can_rx(NetClientState *nc)
{
struct xlx_ethlite *s = qemu_get_nic_opaque(nc);
unsigned int rxbase = s->rxbuf * (0x800 / 4);
diff --git a/include/net/can_emu.h b/include/net/can_emu.h
index d4fc51b..fce9770 100644
--- a/include/net/can_emu.h
+++ b/include/net/can_emu.h
@@ -83,7 +83,7 @@
typedef struct CanBusState CanBusState;
typedef struct CanBusClientInfo {
- int (*can_receive)(CanBusClientState *);
+ bool (*can_receive)(CanBusClientState *);
ssize_t (*receive)(CanBusClientState *,
const struct qemu_can_frame *frames, size_t frames_cnt);
} CanBusClientInfo;
diff --git a/include/net/net.h b/include/net/net.h
index 094e966..39085d9 100644
--- a/include/net/net.h
+++ b/include/net/net.h
@@ -42,7 +42,7 @@
/* Net clients */
typedef void (NetPoll)(NetClientState *, bool enable);
-typedef int (NetCanReceive)(NetClientState *);
+typedef bool (NetCanReceive)(NetClientState *);
typedef ssize_t (NetReceive)(NetClientState *, const uint8_t *, size_t);
typedef ssize_t (NetReceiveIOV)(NetClientState *, const struct iovec *, int);
typedef void (NetCleanup) (NetClientState *);
diff --git a/net/can/can_socketcan.c b/net/can/can_socketcan.c
index 29bfacd..807f31f 100644
--- a/net/can/can_socketcan.c
+++ b/net/can/can_socketcan.c
@@ -110,9 +110,9 @@
}
}
-static int can_host_socketcan_can_receive(CanBusClientState *client)
+static bool can_host_socketcan_can_receive(CanBusClientState *client)
{
- return 1;
+ return true;
}
static ssize_t can_host_socketcan_receive(CanBusClientState *client,
diff --git a/net/colo-compare.c b/net/colo-compare.c
index 7ee17f2..10c0239 100644
--- a/net/colo-compare.c
+++ b/net/colo-compare.c
@@ -48,8 +48,8 @@
#define COLO_COMPARE_FREE_PRIMARY 0x01
#define COLO_COMPARE_FREE_SECONDARY 0x02
-/* TODO: Should be configurable */
#define REGULAR_PACKET_CHECK_MS 3000
+#define DEFAULT_TIME_OUT_MS 3000
static QemuMutex event_mtx;
static QemuCond event_complete_cond;
@@ -92,6 +92,8 @@
SocketReadState sec_rs;
SocketReadState notify_rs;
bool vnet_hdr;
+ uint32_t compare_timeout;
+ uint32_t expired_scan_cycle;
/*
* Record the connection that through the NIC
@@ -607,10 +609,9 @@
CompareState *s)
{
GList *result = NULL;
- int64_t check_time = REGULAR_PACKET_CHECK_MS;
result = g_queue_find_custom(&conn->primary_list,
- &check_time,
+ &s->compare_timeout,
(GCompareFunc)colo_old_packet_check_one);
if (result) {
@@ -822,7 +823,7 @@
/* if have old packet we will notify checkpoint */
colo_old_packet_check(s);
timer_mod(s->packet_check_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
- REGULAR_PACKET_CHECK_MS);
+ s->expired_scan_cycle);
}
/* Public API, Used for COLO frame to notify compare event */
@@ -852,7 +853,7 @@
SCALE_MS, check_old_packet_regular,
s);
timer_mod(s->packet_check_timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
- REGULAR_PACKET_CHECK_MS);
+ s->expired_scan_cycle);
}
static void colo_compare_timer_del(CompareState *s)
@@ -984,6 +985,72 @@
s->notify_dev = g_strdup(value);
}
+static void compare_get_timeout(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ CompareState *s = COLO_COMPARE(obj);
+ uint32_t value = s->compare_timeout;
+
+ visit_type_uint32(v, name, &value, errp);
+}
+
+static void compare_set_timeout(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ CompareState *s = COLO_COMPARE(obj);
+ Error *local_err = NULL;
+ uint32_t value;
+
+ visit_type_uint32(v, name, &value, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ if (!value) {
+ error_setg(&local_err, "Property '%s.%s' requires a positive value",
+ object_get_typename(obj), name);
+ goto out;
+ }
+ s->compare_timeout = value;
+
+out:
+ error_propagate(errp, local_err);
+}
+
+static void compare_get_expired_scan_cycle(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ CompareState *s = COLO_COMPARE(obj);
+ uint32_t value = s->expired_scan_cycle;
+
+ visit_type_uint32(v, name, &value, errp);
+}
+
+static void compare_set_expired_scan_cycle(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ CompareState *s = COLO_COMPARE(obj);
+ Error *local_err = NULL;
+ uint32_t value;
+
+ visit_type_uint32(v, name, &value, &local_err);
+ if (local_err) {
+ goto out;
+ }
+ if (!value) {
+ error_setg(&local_err, "Property '%s.%s' requires a positive value",
+ object_get_typename(obj), name);
+ goto out;
+ }
+ s->expired_scan_cycle = value;
+
+out:
+ error_propagate(errp, local_err);
+}
+
static void compare_pri_rs_finalize(SocketReadState *pri_rs)
{
CompareState *s = container_of(pri_rs, CompareState, pri_rs);
@@ -1090,6 +1157,16 @@
return;
}
+ if (!s->compare_timeout) {
+ /* Set default value to 3000 MS */
+ s->compare_timeout = DEFAULT_TIME_OUT_MS;
+ }
+
+ if (!s->expired_scan_cycle) {
+ /* Set default value to 3000 MS */
+ s->expired_scan_cycle = REGULAR_PACKET_CHECK_MS;
+ }
+
if (find_and_check_chardev(&chr, s->pri_indev, errp) ||
!qemu_chr_fe_init(&s->chr_pri_in, chr, errp)) {
return;
@@ -1185,6 +1262,14 @@
compare_get_notify_dev, compare_set_notify_dev,
NULL);
+ object_property_add(obj, "compare_timeout", "uint32",
+ compare_get_timeout,
+ compare_set_timeout, NULL, NULL, NULL);
+
+ object_property_add(obj, "expired_scan_cycle", "uint32",
+ compare_get_expired_scan_cycle,
+ compare_set_expired_scan_cycle, NULL, NULL, NULL);
+
s->vnet_hdr = false;
object_property_add_bool(obj, "vnet_hdr_support", compare_get_vnet_hdr,
compare_set_vnet_hdr, NULL);
diff --git a/net/filter-buffer.c b/net/filter-buffer.c
index 88da78f..12e0254 100644
--- a/net/filter-buffer.c
+++ b/net/filter-buffer.c
@@ -74,7 +74,7 @@
* the filter can still accept packets until its internal queue is full.
* For example:
* For some reason, receiver could not receive more packets
- * (.can_receive() returns zero). Without a filter, at most one packet
+ * (.can_receive() returns false). Without a filter, at most one packet
* will be queued in incoming queue and sender's poll will be disabled
* unit its sent_cb() was called. With a filter, it will keep receiving
* the packets without caring about the receiver. This is suboptimal.
diff --git a/net/hub.c b/net/hub.c
index 88cfb87..1375738 100644
--- a/net/hub.c
+++ b/net/hub.c
@@ -90,7 +90,7 @@
return hub;
}
-static int net_hub_port_can_receive(NetClientState *nc)
+static bool net_hub_port_can_receive(NetClientState *nc)
{
NetHubPort *port;
NetHubPort *src_port = DO_UPCAST(NetHubPort, nc, nc);
@@ -102,11 +102,11 @@
}
if (qemu_can_send_packet(&port->nc)) {
- return 1;
+ return true;
}
}
- return 0;
+ return false;
}
static ssize_t net_hub_port_receive(NetClientState *nc,
diff --git a/qemu-options.hx b/qemu-options.hx
index 962a5eb..16debd0 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -4615,7 +4615,7 @@
stored. The file format is libpcap, so it can be analyzed with
tools such as tcpdump or Wireshark.
- ``-object colo-compare,id=id,primary_in=chardevid,secondary_in=chardevid,outdev=chardevid,iothread=id[,vnet_hdr_support][,notify_dev=id]``
+ ``-object colo-compare,id=id,primary_in=chardevid,secondary_in=chardevid,outdev=chardevid,iothread=id[,vnet_hdr_support][,notify_dev=id][,compare_timeout=@var{ms}][,expired_scan_cycle=@var{ms}``
Colo-compare gets packet from primary\_inchardevid and
secondary\_inchardevid, than compare primary packet with
secondary packet. If the packets are same, we will output
@@ -4624,8 +4624,12 @@
outdevchardevid. In order to improve efficiency, we need to put
the task of comparison in another thread. If it has the
vnet\_hdr\_support flag, colo compare will send/recv packet with
- vnet\_hdr\_len. If you want to use Xen COLO, will need the
- notify\_dev to notify Xen colo-frame to do checkpoint.
+ vnet\_hdr\_len. Then compare\_timeout=@var{ms} determines the
+ maximum delay colo-compare wait for the packet.
+ The expired\_scan\_cycle=@var{ms} to set the period of scanning
+ expired primary node network packets.
+ If you want to use Xen COLO, will need the notify\_dev to
+ notify Xen colo-frame to do checkpoint.
we must use it with the help of filter-mirror and
filter-redirector.
diff --git a/tests/qtest/Makefile.include b/tests/qtest/Makefile.include
index 10a28de..9e5a51d 100644
--- a/tests/qtest/Makefile.include
+++ b/tests/qtest/Makefile.include
@@ -217,6 +217,7 @@
qos-test-obj-y += tests/qtest/ipoctal232-test.o
qos-test-obj-y += tests/qtest/megasas-test.o
qos-test-obj-y += tests/qtest/ne2000-test.o
+qos-test-obj-y += tests/qtest/tulip-test.o
qos-test-obj-y += tests/qtest/nvme-test.o
qos-test-obj-y += tests/qtest/pca9552-test.o
qos-test-obj-y += tests/qtest/pci-test.o
diff --git a/tests/qtest/tulip-test.c b/tests/qtest/tulip-test.c
new file mode 100644
index 0000000..2fb6c4d
--- /dev/null
+++ b/tests/qtest/tulip-test.c
@@ -0,0 +1,91 @@
+/*
+ * QTest testcase for DEC/Intel Tulip 21143
+ *
+ * Copyright (c) 2020 Li Qiang <liq3ea@gmail.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "qemu/module.h"
+#include "libqos/qgraph.h"
+#include "libqos/pci.h"
+#include "qemu/bitops.h"
+#include "hw/net/tulip.h"
+
+typedef struct QTulip_pci QTulip_pci;
+
+struct QTulip_pci {
+ QOSGraphObject obj;
+ QPCIDevice dev;
+};
+
+static void *tulip_pci_get_driver(void *obj, const char *interface)
+{
+ QTulip_pci *tulip_pci = obj;
+
+ if (!g_strcmp0(interface, "pci-device")) {
+ return &tulip_pci->dev;
+ }
+
+ fprintf(stderr, "%s not present in tulip_pci\n", interface);
+ g_assert_not_reached();
+}
+
+static void *tulip_pci_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
+{
+ QTulip_pci *tulip_pci = g_new0(QTulip_pci, 1);
+ QPCIBus *bus = pci_bus;
+
+ qpci_device_init(&tulip_pci->dev, bus, addr);
+ tulip_pci->obj.get_driver = tulip_pci_get_driver;
+
+ return &tulip_pci->obj;
+}
+
+static void tulip_large_tx(void *obj, void *data, QGuestAllocator *alloc)
+{
+ QTulip_pci *tulip_pci = obj;
+ QPCIDevice *dev = &tulip_pci->dev;
+ QPCIBar bar;
+ struct tulip_descriptor context;
+ char guest_data[4096];
+ uint64_t context_pa;
+ uint64_t guest_pa;
+
+ qpci_device_enable(dev);
+ bar = qpci_iomap(dev, 0, NULL);
+ context_pa = guest_alloc(alloc, sizeof(context));
+ guest_pa = guest_alloc(alloc, 4096);
+ memset(guest_data, 'A', sizeof(guest_data));
+ context.status = TDES0_OWN;
+ context.control = TDES1_BUF2_SIZE_MASK << TDES1_BUF2_SIZE_SHIFT |
+ TDES1_BUF1_SIZE_MASK << TDES1_BUF1_SIZE_SHIFT;
+ context.buf_addr2 = guest_pa;
+ context.buf_addr1 = guest_pa;
+
+ qtest_memwrite(dev->bus->qts, context_pa, &context, sizeof(context));
+ qtest_memwrite(dev->bus->qts, guest_pa, guest_data, sizeof(guest_data));
+ qpci_io_writel(dev, bar, 0x20, context_pa);
+ qpci_io_writel(dev, bar, 0x30, CSR6_ST);
+ guest_free(alloc, context_pa);
+ guest_free(alloc, guest_pa);
+}
+
+static void tulip_register_nodes(void)
+{
+ QOSGraphEdgeOptions opts = {
+ .extra_device_opts = "addr=04.0",
+ };
+ add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
+
+ qos_node_create_driver("tulip", tulip_pci_create);
+ qos_node_consumes("tulip", "pci-bus", &opts);
+ qos_node_produces("tulip", "pci-device");
+
+ qos_add_test("tulip_large_tx", "tulip", tulip_large_tx, NULL);
+}
+
+libqos_init(tulip_register_nodes);