diff options
Diffstat (limited to 'hw/net/e1000x_common.h')
| -rw-r--r-- | hw/net/e1000x_common.h | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/hw/net/e1000x_common.h b/hw/net/e1000x_common.h new file mode 100644 index 000000000..21bf28e0c --- /dev/null +++ b/hw/net/e1000x_common.h @@ -0,0 +1,213 @@ +/* +* QEMU e1000(e) emulation - shared code +* +* Copyright (c) 2008 Qumranet +* +* Based on work done by: +* Nir Peleg, Tutis Systems Ltd. for Qumranet Inc. +* Copyright (c) 2007 Dan Aloni +* Copyright (c) 2004 Antony T Curtis +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; either +* version 2 of the License, or (at your option) any later version. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "e1000_regs.h" + +#define defreg(x) x = (E1000_##x >> 2) +enum { + defreg(CTRL), defreg(EECD), defreg(EERD), defreg(GPRC), + defreg(GPTC), defreg(ICR), defreg(ICS), defreg(IMC), + defreg(IMS), defreg(LEDCTL), defreg(MANC), defreg(MDIC), + defreg(MPC), defreg(PBA), defreg(RCTL), defreg(RDBAH0), + defreg(RDBAL0), defreg(RDH0), defreg(RDLEN0), defreg(RDT0), + defreg(STATUS), defreg(SWSM), defreg(TCTL), defreg(TDBAH), + defreg(TDBAL), defreg(TDH), defreg(TDLEN), defreg(TDT), + defreg(TDLEN1), defreg(TDBAL1), defreg(TDBAH1), defreg(TDH1), + defreg(TDT1), defreg(TORH), defreg(TORL), defreg(TOTH), + defreg(TOTL), defreg(TPR), defreg(TPT), defreg(TXDCTL), + defreg(WUFC), defreg(RA), defreg(MTA), defreg(CRCERRS), + defreg(VFTA), defreg(VET), defreg(RDTR), defreg(RADV), + defreg(TADV), defreg(ITR), defreg(SCC), defreg(ECOL), + defreg(MCC), defreg(LATECOL), defreg(COLC), defreg(DC), + defreg(TNCRS), defreg(SEC), defreg(CEXTERR), defreg(RLEC), + defreg(XONRXC), defreg(XONTXC), defreg(XOFFRXC), defreg(XOFFTXC), + defreg(FCRUC), defreg(AIT), defreg(TDFH), defreg(TDFT), + defreg(TDFHS), defreg(TDFTS), defreg(TDFPC), defreg(WUC), + defreg(WUS), defreg(POEMB), defreg(PBS), defreg(RDFH), + defreg(RDFT), defreg(RDFHS), defreg(RDFTS), defreg(RDFPC), + defreg(PBM), defreg(IPAV), defreg(IP4AT), defreg(IP6AT), + defreg(WUPM), defreg(FFLT), defreg(FFMT), defreg(FFVT), + defreg(TARC0), defreg(TARC1), defreg(IAM), defreg(EXTCNF_CTRL), + defreg(GCR), defreg(TIMINCA), defreg(EIAC), defreg(CTRL_EXT), + defreg(IVAR), defreg(MFUTP01), defreg(MFUTP23), defreg(MANC2H), + defreg(MFVAL), defreg(MDEF), defreg(FACTPS), defreg(FTFT), + defreg(RUC), defreg(ROC), defreg(RFC), defreg(RJC), + defreg(PRC64), defreg(PRC127), defreg(PRC255), defreg(PRC511), + defreg(PRC1023), defreg(PRC1522), defreg(PTC64), defreg(PTC127), + defreg(PTC255), defreg(PTC511), defreg(PTC1023), defreg(PTC1522), + defreg(GORCL), defreg(GORCH), defreg(GOTCL), defreg(GOTCH), + defreg(RNBC), defreg(BPRC), defreg(MPRC), defreg(RFCTL), + defreg(PSRCTL), defreg(MPTC), defreg(BPTC), defreg(TSCTFC), + defreg(IAC), defreg(MGTPRC), defreg(MGTPDC), defreg(MGTPTC), + defreg(TSCTC), defreg(RXCSUM), defreg(FUNCTAG), defreg(GSCL_1), + defreg(GSCL_2), defreg(GSCL_3), defreg(GSCL_4), defreg(GSCN_0), + defreg(GSCN_1), defreg(GSCN_2), defreg(GSCN_3), defreg(GCR2), + defreg(RAID), defreg(RSRPD), defreg(TIDV), defreg(EITR), + defreg(MRQC), defreg(RETA), defreg(RSSRK), defreg(RDBAH1), + defreg(RDBAL1), defreg(RDLEN1), defreg(RDH1), defreg(RDT1), + defreg(PBACLR), defreg(FCAL), defreg(FCAH), defreg(FCT), + defreg(FCRTH), defreg(FCRTL), defreg(FCTTV), defreg(FCRTV), + defreg(FLA), defreg(EEWR), defreg(FLOP), defreg(FLOL), + defreg(FLSWCTL), defreg(FLSWCNT), defreg(RXDCTL), defreg(RXDCTL1), + defreg(MAVTV0), defreg(MAVTV1), defreg(MAVTV2), defreg(MAVTV3), + defreg(TXSTMPL), defreg(TXSTMPH), defreg(SYSTIML), defreg(SYSTIMH), + defreg(RXCFGL), defreg(RXUDP), defreg(TIMADJL), defreg(TIMADJH), + defreg(RXSTMPH), defreg(RXSTMPL), defreg(RXSATRL), defreg(RXSATRH), + defreg(FLASHT), defreg(TIPG), defreg(RDH), defreg(RDT), + defreg(RDLEN), defreg(RDBAH), defreg(RDBAL), + defreg(TXDCTL1), + defreg(FLSWDATA), + defreg(CTRL_DUP), + defreg(EXTCNF_SIZE), + defreg(EEMNGCTL), + defreg(EEMNGDATA), + defreg(FLMNGCTL), + defreg(FLMNGDATA), + defreg(FLMNGCNT), + defreg(TSYNCRXCTL), + defreg(TSYNCTXCTL), + + /* Aliases */ + defreg(RDH0_A), defreg(RDT0_A), defreg(RDTR_A), defreg(RDFH_A), + defreg(RDFT_A), defreg(TDH_A), defreg(TDT_A), defreg(TIDV_A), + defreg(TDFH_A), defreg(TDFT_A), defreg(RA_A), defreg(RDBAL0_A), + defreg(TDBAL_A), defreg(TDLEN_A), defreg(VFTA_A), defreg(RDLEN0_A), + defreg(FCRTL_A), defreg(FCRTH_A) +}; + +static inline void +e1000x_inc_reg_if_not_full(uint32_t *mac, int index) +{ + if (mac[index] != 0xffffffff) { + mac[index]++; + } +} + +static inline void +e1000x_grow_8reg_if_not_full(uint32_t *mac, int index, int size) +{ + uint64_t sum = mac[index] | (uint64_t)mac[index + 1] << 32; + + if (sum + size < sum) { + sum = ~0ULL; + } else { + sum += size; + } + mac[index] = sum; + mac[index + 1] = sum >> 32; +} + +static inline int +e1000x_vlan_enabled(uint32_t *mac) +{ + return ((mac[CTRL] & E1000_CTRL_VME) != 0); +} + +static inline int +e1000x_is_vlan_txd(uint32_t txd_lower) +{ + return ((txd_lower & E1000_TXD_CMD_VLE) != 0); +} + +static inline int +e1000x_vlan_rx_filter_enabled(uint32_t *mac) +{ + return ((mac[RCTL] & E1000_RCTL_VFE) != 0); +} + +static inline int +e1000x_fcs_len(uint32_t *mac) +{ + /* FCS aka Ethernet CRC-32. We don't get it from backends and can't + * fill it in, just pad descriptor length by 4 bytes unless guest + * told us to strip it off the packet. */ + return (mac[RCTL] & E1000_RCTL_SECRC) ? 0 : 4; +} + +static inline void +e1000x_update_regs_on_link_down(uint32_t *mac, uint16_t *phy) +{ + mac[STATUS] &= ~E1000_STATUS_LU; + phy[PHY_STATUS] &= ~MII_SR_LINK_STATUS; + phy[PHY_STATUS] &= ~MII_SR_AUTONEG_COMPLETE; + phy[PHY_LP_ABILITY] &= ~MII_LPAR_LPACK; +} + +static inline void +e1000x_update_regs_on_link_up(uint32_t *mac, uint16_t *phy) +{ + mac[STATUS] |= E1000_STATUS_LU; + phy[PHY_STATUS] |= MII_SR_LINK_STATUS; +} + +void e1000x_update_rx_total_stats(uint32_t *mac, + size_t data_size, + size_t data_fcs_size); + +void e1000x_core_prepare_eeprom(uint16_t *eeprom, + const uint16_t *templ, + uint32_t templ_size, + uint16_t dev_id, + const uint8_t *macaddr); + +uint32_t e1000x_rxbufsize(uint32_t rctl); + +bool e1000x_rx_ready(PCIDevice *d, uint32_t *mac); + +bool e1000x_is_vlan_packet(const uint8_t *buf, uint16_t vet); + +bool e1000x_rx_group_filter(uint32_t *mac, const uint8_t *buf); + +bool e1000x_hw_rx_enabled(uint32_t *mac); + +bool e1000x_is_oversized(uint32_t *mac, size_t size); + +void e1000x_restart_autoneg(uint32_t *mac, uint16_t *phy, QEMUTimer *timer); + +void e1000x_reset_mac_addr(NICState *nic, uint32_t *mac_regs, + uint8_t *mac_addr); + +void e1000x_update_regs_on_autoneg_done(uint32_t *mac, uint16_t *phy); + +void e1000x_increase_size_stats(uint32_t *mac, const int *size_regs, int size); + +typedef struct e1000x_txd_props { + unsigned char sum_needed; + uint8_t ipcss; + uint8_t ipcso; + uint16_t ipcse; + uint8_t tucss; + uint8_t tucso; + uint16_t tucse; + uint32_t paylen; + uint8_t hdr_len; + uint16_t mss; + int8_t ip; + int8_t tcp; + bool tse; + bool cptse; +} e1000x_txd_props; + +void e1000x_read_tx_ctx_descr(struct e1000_context_desc *d, + e1000x_txd_props *props); |