diff --git a/default-configs/arm-softmmu.mak b/default-configs/arm-softmmu.mak index 1e3bd2b8ca..78d7af03a2 100644 --- a/default-configs/arm-softmmu.mak +++ b/default-configs/arm-softmmu.mak @@ -29,6 +29,7 @@ CONFIG_LAN9118=y CONFIG_SMC91C111=y CONFIG_ALLWINNER_EMAC=y CONFIG_IMX_FEC=y +CONFIG_FTGMAC100=y CONFIG_DS1338=y CONFIG_PFLASH_CFI01=y CONFIG_PFLASH_CFI02=y diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index 571e4f097b..4937e2bc83 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -19,6 +19,7 @@ #include "hw/char/serial.h" #include "qemu/log.h" #include "hw/i2c/aspeed_i2c.h" +#include "net/net.h" #define ASPEED_SOC_UART_5_BASE 0x00184000 #define ASPEED_SOC_IOMEM_SIZE 0x00200000 @@ -33,6 +34,8 @@ #define ASPEED_SOC_TIMER_BASE 0x1E782000 #define ASPEED_SOC_WDT_BASE 0x1E785000 #define ASPEED_SOC_I2C_BASE 0x1E78A000 +#define ASPEED_SOC_ETH1_BASE 0x1E660000 +#define ASPEED_SOC_ETH2_BASE 0x1E680000 static const int uart_irqs[] = { 9, 32, 33, 34, 10 }; static const int timer_irqs[] = { 16, 17, 18, 35, 36, 37, 38, 39, }; @@ -175,6 +178,10 @@ static void aspeed_soc_init(Object *obj) object_initialize(&s->wdt, sizeof(s->wdt), TYPE_ASPEED_WDT); object_property_add_child(obj, "wdt", OBJECT(&s->wdt), NULL); qdev_set_parent_bus(DEVICE(&s->wdt), sysbus_get_default()); + + object_initialize(&s->ftgmac100, sizeof(s->ftgmac100), TYPE_FTGMAC100); + object_property_add_child(obj, "ftgmac100", OBJECT(&s->ftgmac100), NULL); + qdev_set_parent_bus(DEVICE(&s->ftgmac100), sysbus_get_default()); } static void aspeed_soc_realize(DeviceState *dev, Error **errp) @@ -299,6 +306,20 @@ static void aspeed_soc_realize(DeviceState *dev, Error **errp) return; } sysbus_mmio_map(SYS_BUS_DEVICE(&s->wdt), 0, ASPEED_SOC_WDT_BASE); + + /* Net */ + qdev_set_nic_properties(DEVICE(&s->ftgmac100), &nd_table[0]); + object_property_set_bool(OBJECT(&s->ftgmac100), true, "aspeed", &err); + object_property_set_bool(OBJECT(&s->ftgmac100), true, "realized", + &local_err); + error_propagate(&err, local_err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->ftgmac100), 0, ASPEED_SOC_ETH1_BASE); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->ftgmac100), 0, + qdev_get_gpio_in(DEVICE(&s->vic), 2)); } static void aspeed_soc_class_init(ObjectClass *oc, void *data) diff --git a/hw/net/Makefile.objs b/hw/net/Makefile.objs index 6a95d92d37..5ddaffe63a 100644 --- a/hw/net/Makefile.objs +++ b/hw/net/Makefile.objs @@ -26,6 +26,7 @@ common-obj-$(CONFIG_IMX_FEC) += imx_fec.o common-obj-$(CONFIG_CADENCE) += cadence_gem.o common-obj-$(CONFIG_STELLARIS_ENET) += stellaris_enet.o common-obj-$(CONFIG_LANCE) += lance.o +common-obj-$(CONFIG_FTGMAC100) += ftgmac100.o obj-$(CONFIG_ETRAXFS) += etraxfs_eth.o obj-$(CONFIG_COLDFIRE) += mcf_fec.o diff --git a/hw/net/ftgmac100.c b/hw/net/ftgmac100.c new file mode 100644 index 0000000000..3c36ab9cec --- /dev/null +++ b/hw/net/ftgmac100.c @@ -0,0 +1,1016 @@ +/* + * Faraday FTGMAC100 Gigabit Ethernet + * + * Copyright (C) 2016-2017, IBM Corporation. + * + * Based on Coldfire Fast Ethernet Controller emulation. + * + * Copyright (c) 2007 CodeSourcery. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/net/ftgmac100.h" +#include "sysemu/dma.h" +#include "qemu/log.h" +#include "net/checksum.h" +#include "net/eth.h" +#include "hw/net/mii.h" + +/* For crc32 */ +#include + +/* + * FTGMAC100 registers + */ +#define FTGMAC100_ISR 0x00 +#define FTGMAC100_IER 0x04 +#define FTGMAC100_MAC_MADR 0x08 +#define FTGMAC100_MAC_LADR 0x0c +#define FTGMAC100_MATH0 0x10 +#define FTGMAC100_MATH1 0x14 +#define FTGMAC100_NPTXPD 0x18 +#define FTGMAC100_RXPD 0x1C +#define FTGMAC100_NPTXR_BADR 0x20 +#define FTGMAC100_RXR_BADR 0x24 +#define FTGMAC100_HPTXPD 0x28 +#define FTGMAC100_HPTXR_BADR 0x2c +#define FTGMAC100_ITC 0x30 +#define FTGMAC100_APTC 0x34 +#define FTGMAC100_DBLAC 0x38 +#define FTGMAC100_REVR 0x40 +#define FTGMAC100_FEAR1 0x44 +#define FTGMAC100_RBSR 0x4c +#define FTGMAC100_TPAFCR 0x48 + +#define FTGMAC100_MACCR 0x50 +#define FTGMAC100_MACSR 0x54 +#define FTGMAC100_PHYCR 0x60 +#define FTGMAC100_PHYDATA 0x64 +#define FTGMAC100_FCR 0x68 + +/* + * Interrupt status register & interrupt enable register + */ +#define FTGMAC100_INT_RPKT_BUF (1 << 0) +#define FTGMAC100_INT_RPKT_FIFO (1 << 1) +#define FTGMAC100_INT_NO_RXBUF (1 << 2) +#define FTGMAC100_INT_RPKT_LOST (1 << 3) +#define FTGMAC100_INT_XPKT_ETH (1 << 4) +#define FTGMAC100_INT_XPKT_FIFO (1 << 5) +#define FTGMAC100_INT_NO_NPTXBUF (1 << 6) +#define FTGMAC100_INT_XPKT_LOST (1 << 7) +#define FTGMAC100_INT_AHB_ERR (1 << 8) +#define FTGMAC100_INT_PHYSTS_CHG (1 << 9) +#define FTGMAC100_INT_NO_HPTXBUF (1 << 10) + +/* + * Automatic polling timer control register + */ +#define FTGMAC100_APTC_RXPOLL_CNT(x) ((x) & 0xf) +#define FTGMAC100_APTC_RXPOLL_TIME_SEL (1 << 4) +#define FTGMAC100_APTC_TXPOLL_CNT(x) (((x) >> 8) & 0xf) +#define FTGMAC100_APTC_TXPOLL_TIME_SEL (1 << 12) + +/* + * PHY control register + */ +#define FTGMAC100_PHYCR_MIIRD (1 << 26) +#define FTGMAC100_PHYCR_MIIWR (1 << 27) + +#define FTGMAC100_PHYCR_DEV(x) (((x) >> 16) & 0x1f) +#define FTGMAC100_PHYCR_REG(x) (((x) >> 21) & 0x1f) + +/* + * PHY data register + */ +#define FTGMAC100_PHYDATA_MIIWDATA(x) ((x) & 0xffff) +#define FTGMAC100_PHYDATA_MIIRDATA(x) (((x) >> 16) & 0xffff) + +/* + * Feature Register + */ +#define FTGMAC100_REVR_NEW_MDIO_INTERFACE (1 << 31) + +/* + * MAC control register + */ +#define FTGMAC100_MACCR_TXDMA_EN (1 << 0) +#define FTGMAC100_MACCR_RXDMA_EN (1 << 1) +#define FTGMAC100_MACCR_TXMAC_EN (1 << 2) +#define FTGMAC100_MACCR_RXMAC_EN (1 << 3) +#define FTGMAC100_MACCR_RM_VLAN (1 << 4) +#define FTGMAC100_MACCR_HPTXR_EN (1 << 5) +#define FTGMAC100_MACCR_LOOP_EN (1 << 6) +#define FTGMAC100_MACCR_ENRX_IN_HALFTX (1 << 7) +#define FTGMAC100_MACCR_FULLDUP (1 << 8) +#define FTGMAC100_MACCR_GIGA_MODE (1 << 9) +#define FTGMAC100_MACCR_CRC_APD (1 << 10) /* not needed */ +#define FTGMAC100_MACCR_RX_RUNT (1 << 12) +#define FTGMAC100_MACCR_JUMBO_LF (1 << 13) +#define FTGMAC100_MACCR_RX_ALL (1 << 14) +#define FTGMAC100_MACCR_HT_MULTI_EN (1 << 15) +#define FTGMAC100_MACCR_RX_MULTIPKT (1 << 16) +#define FTGMAC100_MACCR_RX_BROADPKT (1 << 17) +#define FTGMAC100_MACCR_DISCARD_CRCERR (1 << 18) +#define FTGMAC100_MACCR_FAST_MODE (1 << 19) +#define FTGMAC100_MACCR_SW_RST (1 << 31) + +/* + * Transmit descriptor + */ +#define FTGMAC100_TXDES0_TXBUF_SIZE(x) ((x) & 0x3fff) +#define FTGMAC100_TXDES0_EDOTR (1 << 15) +#define FTGMAC100_TXDES0_CRC_ERR (1 << 19) +#define FTGMAC100_TXDES0_LTS (1 << 28) +#define FTGMAC100_TXDES0_FTS (1 << 29) +#define FTGMAC100_TXDES0_EDOTR_ASPEED (1 << 30) +#define FTGMAC100_TXDES0_TXDMA_OWN (1 << 31) + +#define FTGMAC100_TXDES1_VLANTAG_CI(x) ((x) & 0xffff) +#define FTGMAC100_TXDES1_INS_VLANTAG (1 << 16) +#define FTGMAC100_TXDES1_TCP_CHKSUM (1 << 17) +#define FTGMAC100_TXDES1_UDP_CHKSUM (1 << 18) +#define FTGMAC100_TXDES1_IP_CHKSUM (1 << 19) +#define FTGMAC100_TXDES1_LLC (1 << 22) +#define FTGMAC100_TXDES1_TX2FIC (1 << 30) +#define FTGMAC100_TXDES1_TXIC (1 << 31) + +/* + * Receive descriptor + */ +#define FTGMAC100_RXDES0_VDBC 0x3fff +#define FTGMAC100_RXDES0_EDORR (1 << 15) +#define FTGMAC100_RXDES0_MULTICAST (1 << 16) +#define FTGMAC100_RXDES0_BROADCAST (1 << 17) +#define FTGMAC100_RXDES0_RX_ERR (1 << 18) +#define FTGMAC100_RXDES0_CRC_ERR (1 << 19) +#define FTGMAC100_RXDES0_FTL (1 << 20) +#define FTGMAC100_RXDES0_RUNT (1 << 21) +#define FTGMAC100_RXDES0_RX_ODD_NB (1 << 22) +#define FTGMAC100_RXDES0_FIFO_FULL (1 << 23) +#define FTGMAC100_RXDES0_PAUSE_OPCODE (1 << 24) +#define FTGMAC100_RXDES0_PAUSE_FRAME (1 << 25) +#define FTGMAC100_RXDES0_LRS (1 << 28) +#define FTGMAC100_RXDES0_FRS (1 << 29) +#define FTGMAC100_RXDES0_EDORR_ASPEED (1 << 30) +#define FTGMAC100_RXDES0_RXPKT_RDY (1 << 31) + +#define FTGMAC100_RXDES1_VLANTAG_CI 0xffff +#define FTGMAC100_RXDES1_PROT_MASK (0x3 << 20) +#define FTGMAC100_RXDES1_PROT_NONIP (0x0 << 20) +#define FTGMAC100_RXDES1_PROT_IP (0x1 << 20) +#define FTGMAC100_RXDES1_PROT_TCPIP (0x2 << 20) +#define FTGMAC100_RXDES1_PROT_UDPIP (0x3 << 20) +#define FTGMAC100_RXDES1_LLC (1 << 22) +#define FTGMAC100_RXDES1_DF (1 << 23) +#define FTGMAC100_RXDES1_VLANTAG_AVAIL (1 << 24) +#define FTGMAC100_RXDES1_TCP_CHKSUM_ERR (1 << 25) +#define FTGMAC100_RXDES1_UDP_CHKSUM_ERR (1 << 26) +#define FTGMAC100_RXDES1_IP_CHKSUM_ERR (1 << 27) + +/* + * Receive and transmit Buffer Descriptor + */ +typedef struct { + uint32_t des0; + uint32_t des1; + uint32_t des2; /* not used by HW */ + uint32_t des3; +} FTGMAC100Desc; + +/* + * Specific RTL8211E MII Registers + */ +#define RTL8211E_MII_PHYCR 16 /* PHY Specific Control */ +#define RTL8211E_MII_PHYSR 17 /* PHY Specific Status */ +#define RTL8211E_MII_INER 18 /* Interrupt Enable */ +#define RTL8211E_MII_INSR 19 /* Interrupt Status */ +#define RTL8211E_MII_RXERC 24 /* Receive Error Counter */ +#define RTL8211E_MII_LDPSR 27 /* Link Down Power Saving */ +#define RTL8211E_MII_EPAGSR 30 /* Extension Page Select */ +#define RTL8211E_MII_PAGSEL 31 /* Page Select */ + +/* + * RTL8211E Interrupt Status + */ +#define PHY_INT_AUTONEG_ERROR (1 << 15) +#define PHY_INT_PAGE_RECV (1 << 12) +#define PHY_INT_AUTONEG_COMPLETE (1 << 11) +#define PHY_INT_LINK_STATUS (1 << 10) +#define PHY_INT_ERROR (1 << 9) +#define PHY_INT_DOWN (1 << 8) +#define PHY_INT_JABBER (1 << 0) + +/* + * Max frame size for the receiving buffer + */ +#define FTGMAC100_MAX_FRAME_SIZE 10240 + +/* Limits depending on the type of the frame + * + * 9216 for Jumbo frames (+ 4 for VLAN) + * 1518 for other frames (+ 4 for VLAN) + */ +static int ftgmac100_max_frame_size(FTGMAC100State *s) +{ + return (s->maccr & FTGMAC100_MACCR_JUMBO_LF ? 9216 : 1518) + 4; +} + +static void ftgmac100_update_irq(FTGMAC100State *s) +{ + qemu_set_irq(s->irq, s->isr & s->ier); +} + +/* + * The MII phy could raise a GPIO to the processor which in turn + * could be handled as an interrpt by the OS. + * For now we don't handle any GPIO/interrupt line, so the OS will + * have to poll for the PHY status. + */ +static void phy_update_irq(FTGMAC100State *s) +{ + ftgmac100_update_irq(s); +} + +static void phy_update_link(FTGMAC100State *s) +{ + /* Autonegotiation status mirrors link status. */ + if (qemu_get_queue(s->nic)->link_down) { + s->phy_status &= ~(MII_BMSR_LINK_ST | MII_BMSR_AN_COMP); + s->phy_int |= PHY_INT_DOWN; + } else { + s->phy_status |= (MII_BMSR_LINK_ST | MII_BMSR_AN_COMP); + s->phy_int |= PHY_INT_AUTONEG_COMPLETE; + } + phy_update_irq(s); +} + +static void ftgmac100_set_link(NetClientState *nc) +{ + phy_update_link(FTGMAC100(qemu_get_nic_opaque(nc))); +} + +static void phy_reset(FTGMAC100State *s) +{ + s->phy_status = (MII_BMSR_100TX_FD | MII_BMSR_100TX_HD | MII_BMSR_10T_FD | + MII_BMSR_10T_HD | MII_BMSR_EXTSTAT | MII_BMSR_MFPS | + MII_BMSR_AN_COMP | MII_BMSR_AUTONEG | MII_BMSR_LINK_ST | + MII_BMSR_EXTCAP); + s->phy_control = (MII_BMCR_AUTOEN | MII_BMCR_FD | MII_BMCR_SPEED1000); + s->phy_advertise = (MII_ANAR_PAUSE_ASYM | MII_ANAR_PAUSE | MII_ANAR_TXFD | + MII_ANAR_TX | MII_ANAR_10FD | MII_ANAR_10 | + MII_ANAR_CSMACD); + s->phy_int_mask = 0; + s->phy_int = 0; +} + +static uint32_t do_phy_read(FTGMAC100State *s, int reg) +{ + uint32_t val; + + switch (reg) { + case MII_BMCR: /* Basic Control */ + val = s->phy_control; + break; + case MII_BMSR: /* Basic Status */ + val = s->phy_status; + break; + case MII_PHYID1: /* ID1 */ + val = RTL8211E_PHYID1; + break; + case MII_PHYID2: /* ID2 */ + val = RTL8211E_PHYID2; + break; + case MII_ANAR: /* Auto-neg advertisement */ + val = s->phy_advertise; + break; + case MII_ANLPAR: /* Auto-neg Link Partner Ability */ + val = (MII_ANLPAR_ACK | MII_ANLPAR_PAUSE | MII_ANLPAR_TXFD | + MII_ANLPAR_TX | MII_ANLPAR_10FD | MII_ANLPAR_10 | + MII_ANLPAR_CSMACD); + break; + case MII_ANER: /* Auto-neg Expansion */ + val = MII_ANER_NWAY; + break; + case MII_CTRL1000: /* 1000BASE-T control */ + val = (MII_CTRL1000_HALF | MII_CTRL1000_FULL); + break; + case MII_STAT1000: /* 1000BASE-T status */ + val = MII_STAT1000_FULL; + break; + case RTL8211E_MII_INSR: /* Interrupt status. */ + val = s->phy_int; + s->phy_int = 0; + phy_update_irq(s); + break; + case RTL8211E_MII_INER: /* Interrupt enable */ + val = s->phy_int_mask; + break; + case RTL8211E_MII_PHYCR: + case RTL8211E_MII_PHYSR: + case RTL8211E_MII_RXERC: + case RTL8211E_MII_LDPSR: + case RTL8211E_MII_EPAGSR: + case RTL8211E_MII_PAGSEL: + qemu_log_mask(LOG_UNIMP, "%s: reg %d not implemented\n", + __func__, reg); + val = 0; + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset %d\n", + __func__, reg); + val = 0; + break; + } + + return val; +} + +#define MII_BMCR_MASK (MII_BMCR_LOOPBACK | MII_BMCR_SPEED100 | \ + MII_BMCR_SPEED | MII_BMCR_AUTOEN | MII_BMCR_PDOWN | \ + MII_BMCR_FD | MII_BMCR_CTST) +#define MII_ANAR_MASK 0x2d7f + +static void do_phy_write(FTGMAC100State *s, int reg, uint32_t val) +{ + switch (reg) { + case MII_BMCR: /* Basic Control */ + if (val & MII_BMCR_RESET) { + phy_reset(s); + } else { + s->phy_control = val & MII_BMCR_MASK; + /* Complete autonegotiation immediately. */ + if (val & MII_BMCR_AUTOEN) { + s->phy_status |= MII_BMSR_AN_COMP; + } + } + break; + case MII_ANAR: /* Auto-neg advertisement */ + s->phy_advertise = (val & MII_ANAR_MASK) | MII_ANAR_TX; + break; + case RTL8211E_MII_INER: /* Interrupt enable */ + s->phy_int_mask = val & 0xff; + phy_update_irq(s); + break; + case RTL8211E_MII_PHYCR: + case RTL8211E_MII_PHYSR: + case RTL8211E_MII_RXERC: + case RTL8211E_MII_LDPSR: + case RTL8211E_MII_EPAGSR: + case RTL8211E_MII_PAGSEL: + qemu_log_mask(LOG_UNIMP, "%s: reg %d not implemented\n", + __func__, reg); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset %d\n", + __func__, reg); + break; + } +} + +static int ftgmac100_read_bd(FTGMAC100Desc *bd, dma_addr_t addr) +{ + if (dma_memory_read(&address_space_memory, addr, bd, sizeof(*bd))) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to read descriptor @ 0x%" + HWADDR_PRIx "\n", __func__, addr); + return -1; + } + bd->des0 = le32_to_cpu(bd->des0); + bd->des1 = le32_to_cpu(bd->des1); + bd->des2 = le32_to_cpu(bd->des2); + bd->des3 = le32_to_cpu(bd->des3); + return 0; +} + +static int ftgmac100_write_bd(FTGMAC100Desc *bd, dma_addr_t addr) +{ + FTGMAC100Desc lebd; + + lebd.des0 = cpu_to_le32(bd->des0); + lebd.des1 = cpu_to_le32(bd->des1); + lebd.des2 = cpu_to_le32(bd->des2); + lebd.des3 = cpu_to_le32(bd->des3); + if (dma_memory_write(&address_space_memory, addr, &lebd, sizeof(lebd))) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to write descriptor @ 0x%" + HWADDR_PRIx "\n", __func__, addr); + return -1; + } + return 0; +} + +static void ftgmac100_do_tx(FTGMAC100State *s, uint32_t tx_ring, + uint32_t tx_descriptor) +{ + int frame_size = 0; + uint8_t *ptr = s->frame; + uint32_t addr = tx_descriptor; + uint32_t flags = 0; + int max_frame_size = ftgmac100_max_frame_size(s); + + while (1) { + FTGMAC100Desc bd; + int len; + + if (ftgmac100_read_bd(&bd, addr) || + ((bd.des0 & FTGMAC100_TXDES0_TXDMA_OWN) == 0)) { + /* Run out of descriptors to transmit. */ + s->isr |= FTGMAC100_INT_NO_NPTXBUF; + break; + } + + /* record transmit flags as they are valid only on the first + * segment */ + if (bd.des0 & FTGMAC100_TXDES0_FTS) { + flags = bd.des1; + } + + len = bd.des0 & 0x3FFF; + if (frame_size + len > max_frame_size) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: frame too big : %d bytes\n", + __func__, len); + len = max_frame_size - frame_size; + } + + if (dma_memory_read(&address_space_memory, bd.des3, ptr, len)) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: failed to read packet @ 0x%x\n", + __func__, bd.des3); + s->isr |= FTGMAC100_INT_NO_NPTXBUF; + break; + } + + ptr += len; + frame_size += len; + if (bd.des0 & FTGMAC100_TXDES0_LTS) { + if (flags & FTGMAC100_TXDES1_IP_CHKSUM) { + net_checksum_calculate(s->frame, frame_size); + } + /* Last buffer in frame. */ + qemu_send_packet(qemu_get_queue(s->nic), s->frame, frame_size); + ptr = s->frame; + frame_size = 0; + if (flags & FTGMAC100_TXDES1_TXIC) { + s->isr |= FTGMAC100_INT_XPKT_ETH; + } + } + + if (flags & FTGMAC100_TXDES1_TX2FIC) { + s->isr |= FTGMAC100_INT_XPKT_FIFO; + } + bd.des0 &= ~FTGMAC100_TXDES0_TXDMA_OWN; + + /* Write back the modified descriptor. */ + ftgmac100_write_bd(&bd, addr); + /* Advance to the next descriptor. */ + if (bd.des0 & s->txdes0_edotr) { + addr = tx_ring; + } else { + addr += sizeof(FTGMAC100Desc); + } + } + + s->tx_descriptor = addr; + + ftgmac100_update_irq(s); +} + +static int 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; + } + + if (ftgmac100_read_bd(&bd, s->rx_descriptor)) { + return 0; + } + return !(bd.des0 & FTGMAC100_RXDES0_RXPKT_RDY); +} + +/* + * This is purely informative. The HW can poll the RW (and RX) ring + * buffers for available descriptors but we don't need to trigger a + * timer for that in qemu. + */ +static uint32_t ftgmac100_rxpoll(FTGMAC100State *s) +{ + /* Polling times : + * + * Speed TIME_SEL=0 TIME_SEL=1 + * + * 10 51.2 ms 819.2 ms + * 100 5.12 ms 81.92 ms + * 1000 1.024 ms 16.384 ms + */ + static const int div[] = { 20, 200, 1000 }; + + uint32_t cnt = 1024 * FTGMAC100_APTC_RXPOLL_CNT(s->aptcr); + uint32_t speed = (s->maccr & FTGMAC100_MACCR_FAST_MODE) ? 1 : 0; + uint32_t period; + + if (s->aptcr & FTGMAC100_APTC_RXPOLL_TIME_SEL) { + cnt <<= 4; + } + + if (s->maccr & FTGMAC100_MACCR_GIGA_MODE) { + speed = 2; + } + + period = cnt / div[speed]; + + return period; +} + +static void ftgmac100_reset(DeviceState *d) +{ + FTGMAC100State *s = FTGMAC100(d); + + /* Reset the FTGMAC100 */ + s->isr = 0; + s->ier = 0; + s->rx_enabled = 0; + s->rx_ring = 0; + s->rbsr = 0x640; + s->rx_descriptor = 0; + s->tx_ring = 0; + s->tx_descriptor = 0; + s->math[0] = 0; + s->math[1] = 0; + s->itc = 0; + s->aptcr = 1; + s->dblac = 0x00022f00; + s->revr = 0; + s->fear1 = 0; + s->tpafcr = 0xf1; + + s->maccr = 0; + s->phycr = 0; + s->phydata = 0; + s->fcr = 0x400; + + /* and the PHY */ + phy_reset(s); +} + +static uint64_t ftgmac100_read(void *opaque, hwaddr addr, unsigned size) +{ + FTGMAC100State *s = FTGMAC100(opaque); + + switch (addr & 0xff) { + case FTGMAC100_ISR: + return s->isr; + case FTGMAC100_IER: + return s->ier; + case FTGMAC100_MAC_MADR: + return (s->conf.macaddr.a[0] << 8) | s->conf.macaddr.a[1]; + case FTGMAC100_MAC_LADR: + return ((uint32_t) s->conf.macaddr.a[2] << 24) | + (s->conf.macaddr.a[3] << 16) | (s->conf.macaddr.a[4] << 8) | + s->conf.macaddr.a[5]; + case FTGMAC100_MATH0: + return s->math[0]; + case FTGMAC100_MATH1: + return s->math[1]; + case FTGMAC100_ITC: + return s->itc; + case FTGMAC100_DBLAC: + return s->dblac; + case FTGMAC100_REVR: + return s->revr; + case FTGMAC100_FEAR1: + return s->fear1; + case FTGMAC100_TPAFCR: + return s->tpafcr; + case FTGMAC100_FCR: + return s->fcr; + case FTGMAC100_MACCR: + return s->maccr; + case FTGMAC100_PHYCR: + return s->phycr; + case FTGMAC100_PHYDATA: + return s->phydata; + + /* We might want to support these one day */ + case FTGMAC100_HPTXPD: /* High Priority Transmit Poll Demand */ + case FTGMAC100_HPTXR_BADR: /* High Priority Transmit Ring Base Address */ + case FTGMAC100_MACSR: /* MAC Status Register (MACSR) */ + qemu_log_mask(LOG_UNIMP, "%s: read to unimplemented register 0x%" + HWADDR_PRIx "\n", __func__, addr); + return 0; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset 0x%" + HWADDR_PRIx "\n", __func__, addr); + return 0; + } +} + +static void ftgmac100_write(void *opaque, hwaddr addr, + uint64_t value, unsigned size) +{ + FTGMAC100State *s = FTGMAC100(opaque); + int reg; + + switch (addr & 0xff) { + case FTGMAC100_ISR: /* Interrupt status */ + s->isr &= ~value; + break; + case FTGMAC100_IER: /* Interrupt control */ + s->ier = value; + break; + case FTGMAC100_MAC_MADR: /* MAC */ + s->conf.macaddr.a[0] = value >> 8; + s->conf.macaddr.a[1] = value; + break; + case FTGMAC100_MAC_LADR: + s->conf.macaddr.a[2] = value >> 24; + s->conf.macaddr.a[3] = value >> 16; + s->conf.macaddr.a[4] = value >> 8; + s->conf.macaddr.a[5] = value; + break; + case FTGMAC100_MATH0: /* Multicast Address Hash Table 0 */ + s->math[0] = value; + break; + case FTGMAC100_MATH1: /* Multicast Address Hash Table 1 */ + s->math[1] = value; + break; + case FTGMAC100_ITC: /* TODO: Interrupt Timer Control */ + s->itc = value; + break; + case FTGMAC100_RXR_BADR: /* Ring buffer address */ + s->rx_ring = value; + s->rx_descriptor = s->rx_ring; + break; + + case FTGMAC100_RBSR: /* DMA buffer size */ + s->rbsr = value; + break; + + case FTGMAC100_NPTXR_BADR: /* Transmit buffer address */ + s->tx_ring = value; + s->tx_descriptor = s->tx_ring; + break; + + case FTGMAC100_NPTXPD: /* Trigger transmit */ + if ((s->maccr & (FTGMAC100_MACCR_TXDMA_EN | FTGMAC100_MACCR_TXMAC_EN)) + == (FTGMAC100_MACCR_TXDMA_EN | FTGMAC100_MACCR_TXMAC_EN)) { + /* TODO: high priority tx ring */ + ftgmac100_do_tx(s, s->tx_ring, s->tx_descriptor); + } + if (ftgmac100_can_receive(qemu_get_queue(s->nic))) { + qemu_flush_queued_packets(qemu_get_queue(s->nic)); + } + break; + + case FTGMAC100_RXPD: /* Receive Poll Demand Register */ + if (ftgmac100_can_receive(qemu_get_queue(s->nic))) { + qemu_flush_queued_packets(qemu_get_queue(s->nic)); + } + break; + + case FTGMAC100_APTC: /* Automatic polling */ + s->aptcr = value; + + if (FTGMAC100_APTC_RXPOLL_CNT(s->aptcr)) { + ftgmac100_rxpoll(s); + } + + if (FTGMAC100_APTC_TXPOLL_CNT(s->aptcr)) { + qemu_log_mask(LOG_UNIMP, "%s: no transmit polling\n", __func__); + } + break; + + case FTGMAC100_MACCR: /* MAC Device control */ + s->maccr = value; + if (value & FTGMAC100_MACCR_SW_RST) { + ftgmac100_reset(DEVICE(s)); + } + + if (ftgmac100_can_receive(qemu_get_queue(s->nic))) { + qemu_flush_queued_packets(qemu_get_queue(s->nic)); + } + break; + + case FTGMAC100_PHYCR: /* PHY Device control */ + reg = FTGMAC100_PHYCR_REG(value); + s->phycr = value; + if (value & FTGMAC100_PHYCR_MIIWR) { + do_phy_write(s, reg, s->phydata & 0xffff); + s->phycr &= ~FTGMAC100_PHYCR_MIIWR; + } else { + s->phydata = do_phy_read(s, reg) << 16; + s->phycr &= ~FTGMAC100_PHYCR_MIIRD; + } + break; + case FTGMAC100_PHYDATA: + s->phydata = value & 0xffff; + break; + case FTGMAC100_DBLAC: /* DMA Burst Length and Arbitration Control */ + s->dblac = value; + break; + case FTGMAC100_REVR: /* Feature Register */ + /* TODO: Only Old MDIO interface is supported */ + s->revr = value & ~FTGMAC100_REVR_NEW_MDIO_INTERFACE; + break; + case FTGMAC100_FEAR1: /* Feature Register 1 */ + s->fear1 = value; + break; + case FTGMAC100_TPAFCR: /* Transmit Priority Arbitration and FIFO Control */ + s->tpafcr = value; + break; + case FTGMAC100_FCR: /* Flow Control */ + s->fcr = value; + break; + + case FTGMAC100_HPTXPD: /* High Priority Transmit Poll Demand */ + case FTGMAC100_HPTXR_BADR: /* High Priority Transmit Ring Base Address */ + case FTGMAC100_MACSR: /* MAC Status Register (MACSR) */ + qemu_log_mask(LOG_UNIMP, "%s: write to unimplemented register 0x%" + HWADDR_PRIx "\n", __func__, addr); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad address at offset 0x%" + HWADDR_PRIx "\n", __func__, addr); + break; + } + + ftgmac100_update_irq(s); +} + +static int ftgmac100_filter(FTGMAC100State *s, const uint8_t *buf, size_t len) +{ + unsigned mcast_idx; + + if (s->maccr & FTGMAC100_MACCR_RX_ALL) { + return 1; + } + + switch (get_eth_packet_type(PKT_GET_ETH_HDR(buf))) { + case ETH_PKT_BCAST: + if (!(s->maccr & FTGMAC100_MACCR_RX_BROADPKT)) { + return 0; + } + break; + case ETH_PKT_MCAST: + if (!(s->maccr & FTGMAC100_MACCR_RX_MULTIPKT)) { + if (!(s->maccr & FTGMAC100_MACCR_HT_MULTI_EN)) { + return 0; + } + + /* TODO: this does not seem to work for ftgmac100 */ + mcast_idx = compute_mcast_idx(buf); + if (!(s->math[mcast_idx / 32] & (1 << (mcast_idx % 32)))) { + return 0; + } + } + break; + case ETH_PKT_UCAST: + if (memcmp(s->conf.macaddr.a, buf, 6)) { + return 0; + } + break; + } + + return 1; +} + +static ssize_t ftgmac100_receive(NetClientState *nc, const uint8_t *buf, + size_t len) +{ + FTGMAC100State *s = FTGMAC100(qemu_get_nic_opaque(nc)); + FTGMAC100Desc bd; + uint32_t flags = 0; + uint32_t addr; + uint32_t crc; + uint32_t buf_addr; + uint8_t *crc_ptr; + uint32_t buf_len; + size_t size = len; + uint32_t first = FTGMAC100_RXDES0_FRS; + int max_frame_size = ftgmac100_max_frame_size(s); + + if ((s->maccr & (FTGMAC100_MACCR_RXDMA_EN | FTGMAC100_MACCR_RXMAC_EN)) + != (FTGMAC100_MACCR_RXDMA_EN | FTGMAC100_MACCR_RXMAC_EN)) { + return -1; + } + + /* TODO : Pad to minimum Ethernet frame length */ + /* handle small packets. */ + if (size < 10) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: dropped frame of %zd bytes\n", + __func__, size); + return size; + } + + if (size < 64 && !(s->maccr & FTGMAC100_MACCR_RX_RUNT)) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: dropped runt frame of %zd bytes\n", + __func__, size); + return size; + } + + if (!ftgmac100_filter(s, buf, size)) { + return size; + } + + /* 4 bytes for the CRC. */ + size += 4; + crc = cpu_to_be32(crc32(~0, buf, size)); + crc_ptr = (uint8_t *) &crc; + + /* Huge frames are truncated. */ + if (size > max_frame_size) { + size = max_frame_size; + qemu_log_mask(LOG_GUEST_ERROR, "%s: frame too big : %zd bytes\n", + __func__, size); + flags |= FTGMAC100_RXDES0_FTL; + } + + switch (get_eth_packet_type(PKT_GET_ETH_HDR(buf))) { + case ETH_PKT_BCAST: + flags |= FTGMAC100_RXDES0_BROADCAST; + break; + case ETH_PKT_MCAST: + flags |= FTGMAC100_RXDES0_MULTICAST; + break; + case ETH_PKT_UCAST: + break; + } + + addr = s->rx_descriptor; + while (size > 0) { + if (!ftgmac100_can_receive(nc)) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Unexpected packet\n", __func__); + return -1; + } + + if (ftgmac100_read_bd(&bd, addr) || + (bd.des0 & FTGMAC100_RXDES0_RXPKT_RDY)) { + /* No descriptors available. Bail out. */ + qemu_log_mask(LOG_GUEST_ERROR, "%s: Lost end of frame\n", + __func__); + s->isr |= FTGMAC100_INT_NO_RXBUF; + break; + } + buf_len = (size <= s->rbsr) ? size : s->rbsr; + bd.des0 |= buf_len & 0x3fff; + size -= buf_len; + + /* The last 4 bytes are the CRC. */ + if (size < 4) { + buf_len += size - 4; + } + buf_addr = bd.des3; + dma_memory_write(&address_space_memory, buf_addr, buf, buf_len); + buf += buf_len; + if (size < 4) { + dma_memory_write(&address_space_memory, buf_addr + buf_len, + crc_ptr, 4 - size); + crc_ptr += 4 - size; + } + + bd.des0 |= first | FTGMAC100_RXDES0_RXPKT_RDY; + first = 0; + if (size == 0) { + /* Last buffer in frame. */ + bd.des0 |= flags | FTGMAC100_RXDES0_LRS; + s->isr |= FTGMAC100_INT_RPKT_BUF; + } else { + s->isr |= FTGMAC100_INT_RPKT_FIFO; + } + ftgmac100_write_bd(&bd, addr); + if (bd.des0 & s->rxdes0_edorr) { + addr = s->rx_ring; + } else { + addr += sizeof(FTGMAC100Desc); + } + } + s->rx_descriptor = addr; + + ftgmac100_update_irq(s); + return len; +} + +static const MemoryRegionOps ftgmac100_ops = { + .read = ftgmac100_read, + .write = ftgmac100_write, + .valid.min_access_size = 4, + .valid.max_access_size = 4, + .endianness = DEVICE_LITTLE_ENDIAN, +}; + +static void ftgmac100_cleanup(NetClientState *nc) +{ + FTGMAC100State *s = FTGMAC100(qemu_get_nic_opaque(nc)); + + s->nic = NULL; +} + +static NetClientInfo net_ftgmac100_info = { + .type = NET_CLIENT_DRIVER_NIC, + .size = sizeof(NICState), + .can_receive = ftgmac100_can_receive, + .receive = ftgmac100_receive, + .cleanup = ftgmac100_cleanup, + .link_status_changed = ftgmac100_set_link, +}; + +static void ftgmac100_realize(DeviceState *dev, Error **errp) +{ + FTGMAC100State *s = FTGMAC100(dev); + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + + if (s->aspeed) { + s->txdes0_edotr = FTGMAC100_TXDES0_EDOTR_ASPEED; + s->rxdes0_edorr = FTGMAC100_RXDES0_EDORR_ASPEED; + } else { + s->txdes0_edotr = FTGMAC100_TXDES0_EDOTR; + s->rxdes0_edorr = FTGMAC100_RXDES0_EDORR; + } + + memory_region_init_io(&s->iomem, OBJECT(dev), &ftgmac100_ops, s, + TYPE_FTGMAC100, 0x2000); + sysbus_init_mmio(sbd, &s->iomem); + sysbus_init_irq(sbd, &s->irq); + qemu_macaddr_default_if_unset(&s->conf.macaddr); + + s->conf.peers.ncs[0] = nd_table[0].netdev; + + s->nic = qemu_new_nic(&net_ftgmac100_info, &s->conf, + object_get_typename(OBJECT(dev)), DEVICE(dev)->id, + s); + qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a); + + s->frame = g_malloc(FTGMAC100_MAX_FRAME_SIZE); +} + +static const VMStateDescription vmstate_ftgmac100 = { + .name = TYPE_FTGMAC100, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32(irq_state, FTGMAC100State), + VMSTATE_UINT32(isr, FTGMAC100State), + VMSTATE_UINT32(ier, FTGMAC100State), + VMSTATE_UINT32(rx_enabled, FTGMAC100State), + VMSTATE_UINT32(rx_ring, FTGMAC100State), + VMSTATE_UINT32(rbsr, FTGMAC100State), + VMSTATE_UINT32(tx_ring, FTGMAC100State), + VMSTATE_UINT32(rx_descriptor, FTGMAC100State), + VMSTATE_UINT32(tx_descriptor, FTGMAC100State), + VMSTATE_UINT32_ARRAY(math, FTGMAC100State, 2), + VMSTATE_UINT32(itc, FTGMAC100State), + VMSTATE_UINT32(aptcr, FTGMAC100State), + VMSTATE_UINT32(dblac, FTGMAC100State), + VMSTATE_UINT32(revr, FTGMAC100State), + VMSTATE_UINT32(fear1, FTGMAC100State), + VMSTATE_UINT32(tpafcr, FTGMAC100State), + VMSTATE_UINT32(maccr, FTGMAC100State), + VMSTATE_UINT32(phycr, FTGMAC100State), + VMSTATE_UINT32(phydata, FTGMAC100State), + VMSTATE_UINT32(fcr, FTGMAC100State), + VMSTATE_UINT32(phy_status, FTGMAC100State), + VMSTATE_UINT32(phy_control, FTGMAC100State), + VMSTATE_UINT32(phy_advertise, FTGMAC100State), + VMSTATE_UINT32(phy_int, FTGMAC100State), + VMSTATE_UINT32(phy_int_mask, FTGMAC100State), + VMSTATE_UINT32(txdes0_edotr, FTGMAC100State), + VMSTATE_UINT32(rxdes0_edorr, FTGMAC100State), + VMSTATE_END_OF_LIST() + } +}; + +static Property ftgmac100_properties[] = { + DEFINE_PROP_BOOL("aspeed", FTGMAC100State, aspeed, false), + DEFINE_NIC_PROPERTIES(FTGMAC100State, conf), + DEFINE_PROP_END_OF_LIST(), +}; + +static void ftgmac100_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->vmsd = &vmstate_ftgmac100; + dc->reset = ftgmac100_reset; + dc->props = ftgmac100_properties; + set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); + dc->realize = ftgmac100_realize; + dc->desc = "Faraday FTGMAC100 Gigabit Ethernet emulation"; +} + +static const TypeInfo ftgmac100_info = { + .name = TYPE_FTGMAC100, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(FTGMAC100State), + .class_init = ftgmac100_class_init, +}; + +static void ftgmac100_register_types(void) +{ + type_register_static(&ftgmac100_info); +} + +type_init(ftgmac100_register_types) diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index dbec0c1598..4c5fc66a1e 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -20,6 +20,7 @@ #include "hw/i2c/aspeed_i2c.h" #include "hw/ssi/aspeed_smc.h" #include "hw/watchdog/wdt_aspeed.h" +#include "hw/net/ftgmac100.h" #define ASPEED_SPIS_NUM 2 @@ -39,6 +40,7 @@ typedef struct AspeedSoCState { AspeedSMCState spi[ASPEED_SPIS_NUM]; AspeedSDMCState sdmc; AspeedWDTState wdt; + FTGMAC100State ftgmac100; } AspeedSoCState; #define TYPE_ASPEED_SOC "aspeed-soc" diff --git a/include/hw/net/ftgmac100.h b/include/hw/net/ftgmac100.h new file mode 100644 index 0000000000..d9bc589fbf --- /dev/null +++ b/include/hw/net/ftgmac100.h @@ -0,0 +1,64 @@ +/* + * Faraday FTGMAC100 Gigabit Ethernet + * + * Copyright (C) 2016-2017, IBM Corporation. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + */ + +#ifndef FTGMAC100_H +#define FTGMAC100_H + +#define TYPE_FTGMAC100 "ftgmac100" +#define FTGMAC100(obj) OBJECT_CHECK(FTGMAC100State, (obj), TYPE_FTGMAC100) + +#include "hw/sysbus.h" +#include "net/net.h" + +typedef struct FTGMAC100State { + /*< private >*/ + SysBusDevice parent_obj; + + /*< public >*/ + NICState *nic; + NICConf conf; + qemu_irq irq; + MemoryRegion iomem; + + uint8_t *frame; + + uint32_t irq_state; + uint32_t isr; + uint32_t ier; + uint32_t rx_enabled; + uint32_t rx_ring; + uint32_t rx_descriptor; + uint32_t tx_ring; + uint32_t tx_descriptor; + uint32_t math[2]; + uint32_t rbsr; + uint32_t itc; + uint32_t aptcr; + uint32_t dblac; + uint32_t revr; + uint32_t fear1; + uint32_t tpafcr; + uint32_t maccr; + uint32_t phycr; + uint32_t phydata; + uint32_t fcr; + + + uint32_t phy_status; + uint32_t phy_control; + uint32_t phy_advertise; + uint32_t phy_int; + uint32_t phy_int_mask; + + bool aspeed; + uint32_t txdes0_edotr; + uint32_t rxdes0_edorr; +} FTGMAC100State; + +#endif diff --git a/include/hw/net/mii.h b/include/hw/net/mii.h index 9fdd7bbe75..6ce48a6d78 100644 --- a/include/hw/net/mii.h +++ b/include/hw/net/mii.h @@ -22,13 +22,20 @@ #define MII_H /* PHY registers */ -#define MII_BMCR 0 -#define MII_BMSR 1 -#define MII_PHYID1 2 -#define MII_PHYID2 3 -#define MII_ANAR 4 -#define MII_ANLPAR 5 -#define MII_ANER 6 +#define MII_BMCR 0 /* Basic mode control register */ +#define MII_BMSR 1 /* Basic mode status register */ +#define MII_PHYID1 2 /* ID register 1 */ +#define MII_PHYID2 3 /* ID register 2 */ +#define MII_ANAR 4 /* Autonegotiation advertisement */ +#define MII_ANLPAR 5 /* Autonegotiation lnk partner abilities */ +#define MII_ANER 6 /* Autonegotiation expansion */ +#define MII_ANNP 7 /* Autonegotiation next page */ +#define MII_ANLPRNP 8 /* Autonegotiation link partner rx next page */ +#define MII_CTRL1000 9 /* 1000BASE-T control */ +#define MII_STAT1000 10 /* 1000BASE-T status */ +#define MII_MDDACR 13 /* MMD access control */ +#define MII_MDDAADR 14 /* MMD access address data */ +#define MII_EXTSTAT 15 /* Extended Status */ #define MII_NSR 16 #define MII_LBREMR 17 #define MII_REC 18 @@ -38,19 +45,33 @@ /* PHY registers fields */ #define MII_BMCR_RESET (1 << 15) #define MII_BMCR_LOOPBACK (1 << 14) -#define MII_BMCR_SPEED (1 << 13) -#define MII_BMCR_AUTOEN (1 << 12) -#define MII_BMCR_FD (1 << 8) +#define MII_BMCR_SPEED100 (1 << 13) /* LSB of Speed (100) */ +#define MII_BMCR_SPEED MII_BMCR_SPEED100 +#define MII_BMCR_AUTOEN (1 << 12) /* Autonegotiation enable */ +#define MII_BMCR_PDOWN (1 << 11) /* Enable low power state */ +#define MII_BMCR_ISOLATE (1 << 10) /* Isolate data paths from MII */ +#define MII_BMCR_ANRESTART (1 << 9) /* Auto negotiation restart */ +#define MII_BMCR_FD (1 << 8) /* Set duplex mode */ +#define MII_BMCR_CTST (1 << 7) /* Collision test */ +#define MII_BMCR_SPEED1000 (1 << 6) /* MSB of Speed (1000) */ -#define MII_BMSR_100TX_FD (1 << 14) -#define MII_BMSR_100TX_HD (1 << 13) -#define MII_BMSR_10T_FD (1 << 12) -#define MII_BMSR_10T_HD (1 << 11) -#define MII_BMSR_MFPS (1 << 6) -#define MII_BMSR_AN_COMP (1 << 5) -#define MII_BMSR_AUTONEG (1 << 3) -#define MII_BMSR_LINK_ST (1 << 2) +#define MII_BMSR_100TX_FD (1 << 14) /* Can do 100mbps, full-duplex */ +#define MII_BMSR_100TX_HD (1 << 13) /* Can do 100mbps, half-duplex */ +#define MII_BMSR_10T_FD (1 << 12) /* Can do 10mbps, full-duplex */ +#define MII_BMSR_10T_HD (1 << 11) /* Can do 10mbps, half-duplex */ +#define MII_BMSR_100T2_FD (1 << 10) /* Can do 100mbps T2, full-duplex */ +#define MII_BMSR_100T2_HD (1 << 9) /* Can do 100mbps T2, half-duplex */ +#define MII_BMSR_EXTSTAT (1 << 8) /* Extended status in register 15 */ +#define MII_BMSR_MFPS (1 << 6) /* MII Frame Preamble Suppression */ +#define MII_BMSR_AN_COMP (1 << 5) /* Auto-negotiation complete */ +#define MII_BMSR_RFAULT (1 << 4) /* Remote fault */ +#define MII_BMSR_AUTONEG (1 << 3) /* Able to do auto-negotiation */ +#define MII_BMSR_LINK_ST (1 << 2) /* Link status */ +#define MII_BMSR_JABBER (1 << 1) /* Jabber detected */ +#define MII_BMSR_EXTCAP (1 << 0) /* Ext-reg capability */ +#define MII_ANAR_PAUSE_ASYM (1 << 11) /* Try for asymetric pause */ +#define MII_ANAR_PAUSE (1 << 10) /* Try for pause */ #define MII_ANAR_TXFD (1 << 8) #define MII_ANAR_TX (1 << 7) #define MII_ANAR_10FD (1 << 6) @@ -58,17 +79,31 @@ #define MII_ANAR_CSMACD (1 << 0) #define MII_ANLPAR_ACK (1 << 14) +#define MII_ANLPAR_PAUSEASY (1 << 11) /* can pause asymmetrically */ +#define MII_ANLPAR_PAUSE (1 << 10) /* can pause */ #define MII_ANLPAR_TXFD (1 << 8) #define MII_ANLPAR_TX (1 << 7) #define MII_ANLPAR_10FD (1 << 6) #define MII_ANLPAR_10 (1 << 5) #define MII_ANLPAR_CSMACD (1 << 0) +#define MII_ANER_NWAY (1 << 0) /* Can do N-way auto-nego */ + +#define MII_CTRL1000_FULL (1 << 9) /* 1000BASE-T full duplex */ +#define MII_CTRL1000_HALF (1 << 8) /* 1000BASE-T half duplex */ + +#define MII_STAT1000_FULL (1 << 11) /* 1000BASE-T full duplex */ +#define MII_STAT1000_HALF (1 << 10) /* 1000BASE-T half duplex */ + /* List of vendor identifiers */ /* RealTek 8201 */ #define RTL8201CP_PHYID1 0x0000 #define RTL8201CP_PHYID2 0x8201 +/* RealTek 8211E */ +#define RTL8211E_PHYID1 0x001c +#define RTL8211E_PHYID2 0xc915 + /* National Semiconductor DP83848 */ #define DP83848_PHYID1 0x2000 #define DP83848_PHYID2 0x5c90 diff --git a/include/net/eth.h b/include/net/eth.h index afeb45be34..09054a506d 100644 --- a/include/net/eth.h +++ b/include/net/eth.h @@ -209,6 +209,7 @@ struct tcp_hdr { #define ETH_P_IPV6 (0x86dd) #define ETH_P_VLAN (0x8100) #define ETH_P_DVLAN (0x88a8) +#define ETH_P_NCSI (0x88f8) #define ETH_P_UNKNOWN (0xffff) #define VLAN_VID_MASK 0x0fff #define IP_HEADER_VERSION_4 (4) diff --git a/net/colo-compare.c b/net/colo-compare.c index 54e6d40525..03ddebe5d3 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -233,24 +233,54 @@ static int colo_packet_compare_tcp(Packet *spkt, Packet *ppkt) spkt->ip->ip_sum = ppkt->ip->ip_sum; } - if (ptcp->th_sum == stcp->th_sum) { + /* + * Check tcp header length for tcp option field. + * th_off > 5 means this tcp packet have options field. + * The tcp options maybe always different. + * for example: + * From RFC 7323. + * TCP Timestamps option (TSopt): + * Kind: 8 + * + * Length: 10 bytes + * + * +-------+-------+---------------------+---------------------+ + * |Kind=8 | 10 | TS Value (TSval) |TS Echo Reply (TSecr)| + * +-------+-------+---------------------+---------------------+ + * 1 1 4 4 + * + * In this case the primary guest's timestamp always different with + * the secondary guest's timestamp. COLO just focus on payload, + * so we just need skip this field. + */ + if (ptcp->th_off > 5) { + ptrdiff_t tcp_offset; + tcp_offset = ppkt->transport_header - (uint8_t *)ppkt->data + + (ptcp->th_off * 4); + res = colo_packet_compare_common(ppkt, spkt, tcp_offset); + } else if (ptcp->th_sum == stcp->th_sum) { res = colo_packet_compare_common(ppkt, spkt, ETH_HLEN); } else { res = -1; } - if (res != 0 && trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) { - trace_colo_compare_pkt_info_src(inet_ntoa(ppkt->ip->ip_src), - ntohl(stcp->th_seq), - ntohl(stcp->th_ack), - res, stcp->th_flags, - spkt->size); + if (res && trace_event_get_state(TRACE_COLO_COMPARE_MISCOMPARE)) { + char ip_src[20], ip_dst[20]; - trace_colo_compare_pkt_info_dst(inet_ntoa(ppkt->ip->ip_dst), - ntohl(ptcp->th_seq), - ntohl(ptcp->th_ack), - res, ptcp->th_flags, - ppkt->size); + strcpy(ip_src, inet_ntoa(ppkt->ip->ip_src)); + strcpy(ip_dst, inet_ntoa(ppkt->ip->ip_dst)); + + trace_colo_compare_tcp_info(ip_src, + ip_dst, + ntohl(ptcp->th_seq), + ntohl(stcp->th_seq), + ntohl(ptcp->th_ack), + ntohl(stcp->th_ack), + res, + ptcp->th_flags, + stcp->th_flags, + ppkt->size, + spkt->size); qemu_hexdump((char *)ppkt->data, stderr, "colo-compare ppkt", ppkt->size); @@ -372,10 +402,9 @@ static int colo_old_packet_check_one(Packet *pkt, int64_t *check_time) } } -static void colo_old_packet_check_one_conn(void *opaque, - void *user_data) +static int colo_old_packet_check_one_conn(Connection *conn, + void *user_data) { - Connection *conn = opaque; GList *result = NULL; int64_t check_time = REGULAR_PACKET_CHECK_MS; @@ -386,7 +415,10 @@ static void colo_old_packet_check_one_conn(void *opaque, if (result) { /* do checkpoint will flush old packet */ /* TODO: colo_notify_checkpoint();*/ + return 0; } + + return 1; } /* @@ -398,7 +430,12 @@ static void colo_old_packet_check(void *opaque) { CompareState *s = opaque; - g_queue_foreach(&s->conn_list, colo_old_packet_check_one_conn, NULL); + /* + * If we find one old packet, stop finding job and notify + * COLO frame do checkpoint. + */ + g_queue_find_custom(&s->conn_list, NULL, + (GCompareFunc)colo_old_packet_check_one_conn); } /* diff --git a/net/trace-events b/net/trace-events index 35198bc742..123cb28c63 100644 --- a/net/trace-events +++ b/net/trace-events @@ -13,8 +13,7 @@ colo_compare_icmp_miscompare(const char *sta, int size) ": %s = %d" colo_compare_ip_info(int psize, const char *sta, const char *stb, int ssize, const char *stc, const char *std) "ppkt size = %d, ip_src = %s, ip_dst = %s, spkt size = %d, ip_src = %s, ip_dst = %s" colo_old_packet_check_found(int64_t old_time) "%" PRId64 colo_compare_miscompare(void) "" -colo_compare_pkt_info_src(const char *src, uint32_t sseq, uint32_t sack, int res, uint32_t sflag, int ssize) "src/dst: %s s: seq/ack=%u/%u res=%d flags=%x spkt_size: %d\n" -colo_compare_pkt_info_dst(const char *dst, uint32_t dseq, uint32_t dack, int res, uint32_t dflag, int dsize) "src/dst: %s d: seq/ack=%u/%u res=%d flags=%x dpkt_size: %d\n" +colo_compare_tcp_info(const char *src, const char *dst, uint32_t pseq, uint32_t sseq, uint32_t pack, uint32_t sack, int res, uint32_t pflag, uint32_t sflag, int psize, int ssize) "src/dst: %s/%s pseq/sseq:%u/%u pack/sack:%u/%u res=%d pflags/sflag:%x/%x psize/ssize:%d/%d \n" # net/filter-rewriter.c colo_filter_rewriter_debug(void) "" diff --git a/slirp/Makefile.objs b/slirp/Makefile.objs index 1baa1f1c7c..28049b03cd 100644 --- a/slirp/Makefile.objs +++ b/slirp/Makefile.objs @@ -2,4 +2,4 @@ common-obj-y = cksum.o if.o ip_icmp.o ip6_icmp.o ip6_input.o ip6_output.o \ ip_input.o ip_output.o dnssearch.o dhcpv6.o common-obj-y += slirp.o mbuf.o misc.o sbuf.o socket.o tcp_input.o tcp_output.o common-obj-y += tcp_subr.o tcp_timer.o udp.o udp6.o bootp.o tftp.o arp_table.o \ - ndp_table.o + ndp_table.o ncsi.o diff --git a/slirp/ncsi-pkt.h b/slirp/ncsi-pkt.h new file mode 100644 index 0000000000..ea07d1cd0f --- /dev/null +++ b/slirp/ncsi-pkt.h @@ -0,0 +1,419 @@ +/* + * Copyright Gavin Shan, IBM Corporation 2016. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef NCSI_PKT_H +#define NCSI_PKT_H + +/* from linux/net/ncsi/ncsi-pkt.h */ +#define __be32 uint32_t +#define __be16 uint16_t + +struct ncsi_pkt_hdr { + unsigned char mc_id; /* Management controller ID */ + unsigned char revision; /* NCSI version - 0x01 */ + unsigned char reserved; /* Reserved */ + unsigned char id; /* Packet sequence number */ + unsigned char type; /* Packet type */ + unsigned char channel; /* Network controller ID */ + __be16 length; /* Payload length */ + __be32 reserved1[2]; /* Reserved */ +}; + +struct ncsi_cmd_pkt_hdr { + struct ncsi_pkt_hdr common; /* Common NCSI packet header */ +}; + +struct ncsi_rsp_pkt_hdr { + struct ncsi_pkt_hdr common; /* Common NCSI packet header */ + __be16 code; /* Response code */ + __be16 reason; /* Response reason */ +}; + +struct ncsi_aen_pkt_hdr { + struct ncsi_pkt_hdr common; /* Common NCSI packet header */ + unsigned char reserved2[3]; /* Reserved */ + unsigned char type; /* AEN packet type */ +}; + +/* NCSI common command packet */ +struct ncsi_cmd_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 checksum; /* Checksum */ + unsigned char pad[26]; +}; + +struct ncsi_rsp_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Select Package */ +struct ncsi_cmd_sp_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char hw_arbitration; /* HW arbitration */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Disable Channel */ +struct ncsi_cmd_dc_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char ald; /* Allow link down */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Reset Channel */ +struct ncsi_cmd_rc_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 reserved; /* Reserved */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* AEN Enable */ +struct ncsi_cmd_ae_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char mc_id; /* MC ID */ + __be32 mode; /* AEN working mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* Set Link */ +struct ncsi_cmd_sl_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 mode; /* Link working mode */ + __be32 oem_mode; /* OEM link mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* Set VLAN Filter */ +struct ncsi_cmd_svf_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be16 reserved; /* Reserved */ + __be16 vlan; /* VLAN ID */ + __be16 reserved1; /* Reserved */ + unsigned char index; /* VLAN table index */ + unsigned char enable; /* Enable or disable */ + __be32 checksum; /* Checksum */ + unsigned char pad[14]; +}; + +/* Enable VLAN */ +struct ncsi_cmd_ev_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char mode; /* VLAN filter mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Set MAC Address */ +struct ncsi_cmd_sma_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char mac[6]; /* MAC address */ + unsigned char index; /* MAC table index */ + unsigned char at_e; /* Addr type and operation */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* Enable Broadcast Filter */ +struct ncsi_cmd_ebf_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 mode; /* Filter mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Enable Global Multicast Filter */ +struct ncsi_cmd_egmf_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + __be32 mode; /* Global MC mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Set NCSI Flow Control */ +struct ncsi_cmd_snfc_pkt { + struct ncsi_cmd_pkt_hdr cmd; /* Command header */ + unsigned char reserved[3]; /* Reserved */ + unsigned char mode; /* Flow control mode */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* Get Link Status */ +struct ncsi_rsp_gls_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 status; /* Link status */ + __be32 other; /* Other indications */ + __be32 oem_status; /* OEM link status */ + __be32 checksum; + unsigned char pad[10]; +}; + +/* Get Version ID */ +struct ncsi_rsp_gvi_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 ncsi_version; /* NCSI version */ + unsigned char reserved[3]; /* Reserved */ + unsigned char alpha2; /* NCSI version */ + unsigned char fw_name[12]; /* f/w name string */ + __be32 fw_version; /* f/w version */ + __be16 pci_ids[4]; /* PCI IDs */ + __be32 mf_id; /* Manufacture ID */ + __be32 checksum; +}; + +/* Get Capabilities */ +struct ncsi_rsp_gc_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 cap; /* Capabilities */ + __be32 bc_cap; /* Broadcast cap */ + __be32 mc_cap; /* Multicast cap */ + __be32 buf_cap; /* Buffering cap */ + __be32 aen_cap; /* AEN cap */ + unsigned char vlan_cnt; /* VLAN filter count */ + unsigned char mixed_cnt; /* Mix filter count */ + unsigned char mc_cnt; /* MC filter count */ + unsigned char uc_cnt; /* UC filter count */ + unsigned char reserved[2]; /* Reserved */ + unsigned char vlan_mode; /* VLAN mode */ + unsigned char channel_cnt; /* Channel count */ + __be32 checksum; /* Checksum */ +}; + +/* Get Parameters */ +struct ncsi_rsp_gp_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + unsigned char mac_cnt; /* Number of MAC addr */ + unsigned char reserved[2]; /* Reserved */ + unsigned char mac_enable; /* MAC addr enable flags */ + unsigned char vlan_cnt; /* VLAN tag count */ + unsigned char reserved1; /* Reserved */ + __be16 vlan_enable; /* VLAN tag enable flags */ + __be32 link_mode; /* Link setting */ + __be32 bc_mode; /* BC filter mode */ + __be32 valid_modes; /* Valid mode parameters */ + unsigned char vlan_mode; /* VLAN mode */ + unsigned char fc_mode; /* Flow control mode */ + unsigned char reserved2[2]; /* Reserved */ + __be32 aen_mode; /* AEN mode */ + unsigned char mac[6]; /* Supported MAC addr */ + __be16 vlan; /* Supported VLAN tags */ + __be32 checksum; /* Checksum */ +}; + +/* Get Controller Packet Statistics */ +struct ncsi_rsp_gcps_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 cnt_hi; /* Counter cleared */ + __be32 cnt_lo; /* Counter cleared */ + __be32 rx_bytes; /* Rx bytes */ + __be32 tx_bytes; /* Tx bytes */ + __be32 rx_uc_pkts; /* Rx UC packets */ + __be32 rx_mc_pkts; /* Rx MC packets */ + __be32 rx_bc_pkts; /* Rx BC packets */ + __be32 tx_uc_pkts; /* Tx UC packets */ + __be32 tx_mc_pkts; /* Tx MC packets */ + __be32 tx_bc_pkts; /* Tx BC packets */ + __be32 fcs_err; /* FCS errors */ + __be32 align_err; /* Alignment errors */ + __be32 false_carrier; /* False carrier detection */ + __be32 runt_pkts; /* Rx runt packets */ + __be32 jabber_pkts; /* Rx jabber packets */ + __be32 rx_pause_xon; /* Rx pause XON frames */ + __be32 rx_pause_xoff; /* Rx XOFF frames */ + __be32 tx_pause_xon; /* Tx XON frames */ + __be32 tx_pause_xoff; /* Tx XOFF frames */ + __be32 tx_s_collision; /* Single collision frames */ + __be32 tx_m_collision; /* Multiple collision frames */ + __be32 l_collision; /* Late collision frames */ + __be32 e_collision; /* Excessive collision frames */ + __be32 rx_ctl_frames; /* Rx control frames */ + __be32 rx_64_frames; /* Rx 64-bytes frames */ + __be32 rx_127_frames; /* Rx 65-127 bytes frames */ + __be32 rx_255_frames; /* Rx 128-255 bytes frames */ + __be32 rx_511_frames; /* Rx 256-511 bytes frames */ + __be32 rx_1023_frames; /* Rx 512-1023 bytes frames */ + __be32 rx_1522_frames; /* Rx 1024-1522 bytes frames */ + __be32 rx_9022_frames; /* Rx 1523-9022 bytes frames */ + __be32 tx_64_frames; /* Tx 64-bytes frames */ + __be32 tx_127_frames; /* Tx 65-127 bytes frames */ + __be32 tx_255_frames; /* Tx 128-255 bytes frames */ + __be32 tx_511_frames; /* Tx 256-511 bytes frames */ + __be32 tx_1023_frames; /* Tx 512-1023 bytes frames */ + __be32 tx_1522_frames; /* Tx 1024-1522 bytes frames */ + __be32 tx_9022_frames; /* Tx 1523-9022 bytes frames */ + __be32 rx_valid_bytes; /* Rx valid bytes */ + __be32 rx_runt_pkts; /* Rx error runt packets */ + __be32 rx_jabber_pkts; /* Rx error jabber packets */ + __be32 checksum; /* Checksum */ +}; + +/* Get NCSI Statistics */ +struct ncsi_rsp_gns_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 rx_cmds; /* Rx NCSI commands */ + __be32 dropped_cmds; /* Dropped commands */ + __be32 cmd_type_errs; /* Command type errors */ + __be32 cmd_csum_errs; /* Command checksum errors */ + __be32 rx_pkts; /* Rx NCSI packets */ + __be32 tx_pkts; /* Tx NCSI packets */ + __be32 tx_aen_pkts; /* Tx AEN packets */ + __be32 checksum; /* Checksum */ +}; + +/* Get NCSI Pass-through Statistics */ +struct ncsi_rsp_gnpts_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 tx_pkts; /* Tx packets */ + __be32 tx_dropped; /* Tx dropped packets */ + __be32 tx_channel_err; /* Tx channel errors */ + __be32 tx_us_err; /* Tx undersize errors */ + __be32 rx_pkts; /* Rx packets */ + __be32 rx_dropped; /* Rx dropped packets */ + __be32 rx_channel_err; /* Rx channel errors */ + __be32 rx_us_err; /* Rx undersize errors */ + __be32 rx_os_err; /* Rx oversize errors */ + __be32 checksum; /* Checksum */ +}; + +/* Get package status */ +struct ncsi_rsp_gps_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + __be32 status; /* Hardware arbitration status */ + __be32 checksum; +}; + +/* Get package UUID */ +struct ncsi_rsp_gpuuid_pkt { + struct ncsi_rsp_pkt_hdr rsp; /* Response header */ + unsigned char uuid[16]; /* UUID */ + __be32 checksum; +}; + +/* AEN: Link State Change */ +struct ncsi_aen_lsc_pkt { + struct ncsi_aen_pkt_hdr aen; /* AEN header */ + __be32 status; /* Link status */ + __be32 oem_status; /* OEM link status */ + __be32 checksum; /* Checksum */ + unsigned char pad[14]; +}; + +/* AEN: Configuration Required */ +struct ncsi_aen_cr_pkt { + struct ncsi_aen_pkt_hdr aen; /* AEN header */ + __be32 checksum; /* Checksum */ + unsigned char pad[22]; +}; + +/* AEN: Host Network Controller Driver Status Change */ +struct ncsi_aen_hncdsc_pkt { + struct ncsi_aen_pkt_hdr aen; /* AEN header */ + __be32 status; /* Status */ + __be32 checksum; /* Checksum */ + unsigned char pad[18]; +}; + +/* NCSI packet revision */ +#define NCSI_PKT_REVISION 0x01 + +/* NCSI packet commands */ +#define NCSI_PKT_CMD_CIS 0x00 /* Clear Initial State */ +#define NCSI_PKT_CMD_SP 0x01 /* Select Package */ +#define NCSI_PKT_CMD_DP 0x02 /* Deselect Package */ +#define NCSI_PKT_CMD_EC 0x03 /* Enable Channel */ +#define NCSI_PKT_CMD_DC 0x04 /* Disable Channel */ +#define NCSI_PKT_CMD_RC 0x05 /* Reset Channel */ +#define NCSI_PKT_CMD_ECNT 0x06 /* Enable Channel Network Tx */ +#define NCSI_PKT_CMD_DCNT 0x07 /* Disable Channel Network Tx */ +#define NCSI_PKT_CMD_AE 0x08 /* AEN Enable */ +#define NCSI_PKT_CMD_SL 0x09 /* Set Link */ +#define NCSI_PKT_CMD_GLS 0x0a /* Get Link */ +#define NCSI_PKT_CMD_SVF 0x0b /* Set VLAN Filter */ +#define NCSI_PKT_CMD_EV 0x0c /* Enable VLAN */ +#define NCSI_PKT_CMD_DV 0x0d /* Disable VLAN */ +#define NCSI_PKT_CMD_SMA 0x0e /* Set MAC address */ +#define NCSI_PKT_CMD_EBF 0x10 /* Enable Broadcast Filter */ +#define NCSI_PKT_CMD_DBF 0x11 /* Disable Broadcast Filter */ +#define NCSI_PKT_CMD_EGMF 0x12 /* Enable Global Multicast Filter */ +#define NCSI_PKT_CMD_DGMF 0x13 /* Disable Global Multicast Filter */ +#define NCSI_PKT_CMD_SNFC 0x14 /* Set NCSI Flow Control */ +#define NCSI_PKT_CMD_GVI 0x15 /* Get Version ID */ +#define NCSI_PKT_CMD_GC 0x16 /* Get Capabilities */ +#define NCSI_PKT_CMD_GP 0x17 /* Get Parameters */ +#define NCSI_PKT_CMD_GCPS 0x18 /* Get Controller Packet Statistics */ +#define NCSI_PKT_CMD_GNS 0x19 /* Get NCSI Statistics */ +#define NCSI_PKT_CMD_GNPTS 0x1a /* Get NCSI Pass-throu Statistics */ +#define NCSI_PKT_CMD_GPS 0x1b /* Get package status */ +#define NCSI_PKT_CMD_OEM 0x50 /* OEM */ +#define NCSI_PKT_CMD_PLDM 0x51 /* PLDM request over NCSI over RBT */ +#define NCSI_PKT_CMD_GPUUID 0x52 /* Get package UUID */ + +/* NCSI packet responses */ +#define NCSI_PKT_RSP_CIS (NCSI_PKT_CMD_CIS + 0x80) +#define NCSI_PKT_RSP_SP (NCSI_PKT_CMD_SP + 0x80) +#define NCSI_PKT_RSP_DP (NCSI_PKT_CMD_DP + 0x80) +#define NCSI_PKT_RSP_EC (NCSI_PKT_CMD_EC + 0x80) +#define NCSI_PKT_RSP_DC (NCSI_PKT_CMD_DC + 0x80) +#define NCSI_PKT_RSP_RC (NCSI_PKT_CMD_RC + 0x80) +#define NCSI_PKT_RSP_ECNT (NCSI_PKT_CMD_ECNT + 0x80) +#define NCSI_PKT_RSP_DCNT (NCSI_PKT_CMD_DCNT + 0x80) +#define NCSI_PKT_RSP_AE (NCSI_PKT_CMD_AE + 0x80) +#define NCSI_PKT_RSP_SL (NCSI_PKT_CMD_SL + 0x80) +#define NCSI_PKT_RSP_GLS (NCSI_PKT_CMD_GLS + 0x80) +#define NCSI_PKT_RSP_SVF (NCSI_PKT_CMD_SVF + 0x80) +#define NCSI_PKT_RSP_EV (NCSI_PKT_CMD_EV + 0x80) +#define NCSI_PKT_RSP_DV (NCSI_PKT_CMD_DV + 0x80) +#define NCSI_PKT_RSP_SMA (NCSI_PKT_CMD_SMA + 0x80) +#define NCSI_PKT_RSP_EBF (NCSI_PKT_CMD_EBF + 0x80) +#define NCSI_PKT_RSP_DBF (NCSI_PKT_CMD_DBF + 0x80) +#define NCSI_PKT_RSP_EGMF (NCSI_PKT_CMD_EGMF + 0x80) +#define NCSI_PKT_RSP_DGMF (NCSI_PKT_CMD_DGMF + 0x80) +#define NCSI_PKT_RSP_SNFC (NCSI_PKT_CMD_SNFC + 0x80) +#define NCSI_PKT_RSP_GVI (NCSI_PKT_CMD_GVI + 0x80) +#define NCSI_PKT_RSP_GC (NCSI_PKT_CMD_GC + 0x80) +#define NCSI_PKT_RSP_GP (NCSI_PKT_CMD_GP + 0x80) +#define NCSI_PKT_RSP_GCPS (NCSI_PKT_CMD_GCPS + 0x80) +#define NCSI_PKT_RSP_GNS (NCSI_PKT_CMD_GNS + 0x80) +#define NCSI_PKT_RSP_GNPTS (NCSI_PKT_CMD_GNPTS + 0x80) +#define NCSI_PKT_RSP_GPS (NCSI_PKT_CMD_GPS + 0x80) +#define NCSI_PKT_RSP_OEM (NCSI_PKT_CMD_OEM + 0x80) +#define NCSI_PKT_RSP_PLDM (NCSI_PKT_CMD_PLDM + 0x80) +#define NCSI_PKT_RSP_GPUUID (NCSI_PKT_CMD_GPUUID + 0x80) + +/* NCSI response code/reason */ +#define NCSI_PKT_RSP_C_COMPLETED 0x0000 /* Command Completed */ +#define NCSI_PKT_RSP_C_FAILED 0x0001 /* Command Failed */ +#define NCSI_PKT_RSP_C_UNAVAILABLE 0x0002 /* Command Unavailable */ +#define NCSI_PKT_RSP_C_UNSUPPORTED 0x0003 /* Command Unsupported */ +#define NCSI_PKT_RSP_R_NO_ERROR 0x0000 /* No Error */ +#define NCSI_PKT_RSP_R_INTERFACE 0x0001 /* Interface not ready */ +#define NCSI_PKT_RSP_R_PARAM 0x0002 /* Invalid Parameter */ +#define NCSI_PKT_RSP_R_CHANNEL 0x0003 /* Channel not Ready */ +#define NCSI_PKT_RSP_R_PACKAGE 0x0004 /* Package not Ready */ +#define NCSI_PKT_RSP_R_LENGTH 0x0005 /* Invalid payload length */ +#define NCSI_PKT_RSP_R_UNKNOWN 0x7fff /* Command type unsupported */ + +/* NCSI AEN packet type */ +#define NCSI_PKT_AEN 0xFF /* AEN Packet */ +#define NCSI_PKT_AEN_LSC 0x00 /* Link status change */ +#define NCSI_PKT_AEN_CR 0x01 /* Configuration required */ +#define NCSI_PKT_AEN_HNCDSC 0x02 /* HNC driver status change */ + +#endif /* NCSI_PKT_H */ diff --git a/slirp/ncsi.c b/slirp/ncsi.c new file mode 100644 index 0000000000..d12ba3e494 --- /dev/null +++ b/slirp/ncsi.c @@ -0,0 +1,130 @@ +/* + * NC-SI (Network Controller Sideband Interface) "echo" model + * + * Copyright (C) 2016 IBM Corp. + * + * This code is licensed under the GPL version 2 or later. See the + * COPYING file in the top-level directory. + */ +#include "qemu/osdep.h" +#include "slirp.h" + +#include "ncsi-pkt.h" + +/* Get Capabilities */ +static int ncsi_rsp_handler_gc(struct ncsi_rsp_pkt_hdr *rnh) +{ + struct ncsi_rsp_gc_pkt *rsp = (struct ncsi_rsp_gc_pkt *) rnh; + + rsp->cap = htonl(~0); + rsp->bc_cap = htonl(~0); + rsp->mc_cap = htonl(~0); + rsp->buf_cap = htonl(~0); + rsp->aen_cap = htonl(~0); + rsp->vlan_mode = 0xff; + rsp->uc_cnt = 2; + return 0; +} + +/* Get Link status */ +static int ncsi_rsp_handler_gls(struct ncsi_rsp_pkt_hdr *rnh) +{ + struct ncsi_rsp_gls_pkt *rsp = (struct ncsi_rsp_gls_pkt *) rnh; + + rsp->status = htonl(0x1); + return 0; +} + +static const struct ncsi_rsp_handler { + unsigned char type; + int payload; + int (*handler)(struct ncsi_rsp_pkt_hdr *rnh); +} ncsi_rsp_handlers[] = { + { NCSI_PKT_RSP_CIS, 4, NULL }, + { NCSI_PKT_RSP_SP, 4, NULL }, + { NCSI_PKT_RSP_DP, 4, NULL }, + { NCSI_PKT_RSP_EC, 4, NULL }, + { NCSI_PKT_RSP_DC, 4, NULL }, + { NCSI_PKT_RSP_RC, 4, NULL }, + { NCSI_PKT_RSP_ECNT, 4, NULL }, + { NCSI_PKT_RSP_DCNT, 4, NULL }, + { NCSI_PKT_RSP_AE, 4, NULL }, + { NCSI_PKT_RSP_SL, 4, NULL }, + { NCSI_PKT_RSP_GLS, 16, ncsi_rsp_handler_gls }, + { NCSI_PKT_RSP_SVF, 4, NULL }, + { NCSI_PKT_RSP_EV, 4, NULL }, + { NCSI_PKT_RSP_DV, 4, NULL }, + { NCSI_PKT_RSP_SMA, 4, NULL }, + { NCSI_PKT_RSP_EBF, 4, NULL }, + { NCSI_PKT_RSP_DBF, 4, NULL }, + { NCSI_PKT_RSP_EGMF, 4, NULL }, + { NCSI_PKT_RSP_DGMF, 4, NULL }, + { NCSI_PKT_RSP_SNFC, 4, NULL }, + { NCSI_PKT_RSP_GVI, 36, NULL }, + { NCSI_PKT_RSP_GC, 32, ncsi_rsp_handler_gc }, + { NCSI_PKT_RSP_GP, -1, NULL }, + { NCSI_PKT_RSP_GCPS, 172, NULL }, + { NCSI_PKT_RSP_GNS, 172, NULL }, + { NCSI_PKT_RSP_GNPTS, 172, NULL }, + { NCSI_PKT_RSP_GPS, 8, NULL }, + { NCSI_PKT_RSP_OEM, 0, NULL }, + { NCSI_PKT_RSP_PLDM, 0, NULL }, + { NCSI_PKT_RSP_GPUUID, 20, NULL } +}; + +/* + * packet format : ncsi header + payload + checksum + */ +#define NCSI_MAX_PAYLOAD 172 +#define NCSI_MAX_LEN (sizeof(struct ncsi_pkt_hdr) + NCSI_MAX_PAYLOAD + 4) + +void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) +{ + struct ncsi_pkt_hdr *nh = (struct ncsi_pkt_hdr *)(pkt + ETH_HLEN); + uint8_t ncsi_reply[ETH_HLEN + NCSI_MAX_LEN]; + struct ethhdr *reh = (struct ethhdr *)ncsi_reply; + struct ncsi_rsp_pkt_hdr *rnh = (struct ncsi_rsp_pkt_hdr *) + (ncsi_reply + ETH_HLEN); + const struct ncsi_rsp_handler *handler = NULL; + int i; + + memset(ncsi_reply, 0, sizeof(ncsi_reply)); + + memset(reh->h_dest, 0xff, ETH_ALEN); + memset(reh->h_source, 0xff, ETH_ALEN); + reh->h_proto = htons(ETH_P_NCSI); + + for (i = 0; i < ARRAY_SIZE(ncsi_rsp_handlers); i++) { + if (ncsi_rsp_handlers[i].type == nh->type + 0x80) { + handler = &ncsi_rsp_handlers[i]; + break; + } + } + + rnh->common.mc_id = nh->mc_id; + rnh->common.revision = NCSI_PKT_REVISION; + rnh->common.id = nh->id; + rnh->common.type = nh->type + 0x80; + rnh->common.channel = nh->channel; + + if (handler) { + rnh->common.length = htons(handler->payload); + rnh->code = htons(NCSI_PKT_RSP_C_COMPLETED); + rnh->reason = htons(NCSI_PKT_RSP_R_NO_ERROR); + + if (handler->handler) { + /* TODO: handle errors */ + handler->handler(rnh); + } + } else { + rnh->common.length = 0; + rnh->code = htons(NCSI_PKT_RSP_C_UNAVAILABLE); + rnh->reason = htons(NCSI_PKT_RSP_R_UNKNOWN); + } + + /* TODO: add a checksum at the end of the frame but the specs + * allows it to be zero */ + + slirp_output(slirp->opaque, ncsi_reply, ETH_HLEN + sizeof(*nh) + + (handler ? handler->payload : 0) + 4); +} diff --git a/slirp/slirp.c b/slirp/slirp.c index 5a94b06f5e..9a50918346 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -870,6 +870,10 @@ void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len) } break; + case ETH_P_NCSI: + ncsi_input(slirp, pkt, pkt_len); + break; + default: break; } diff --git a/slirp/slirp.h b/slirp/slirp.h index 3877f667f0..5af4f482b5 100644 --- a/slirp/slirp.h +++ b/slirp/slirp.h @@ -231,6 +231,9 @@ extern Slirp *slirp_instance; void if_start(Slirp *); +/* ncsi.c */ +void ncsi_input(Slirp *slirp, const uint8_t *pkt, int pkt_len); + #ifndef _WIN32 #include #endif