e9e5b93069
This saves some code and enables tracepoint for e1000's VLAN filtering. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech> Signed-off-by: Jason Wang <jasowang@redhat.com>
149 lines
4.1 KiB
C
149 lines
4.1 KiB
C
/*
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* QEMU e1000(e) emulation - shared code
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*
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* Copyright (c) 2008 Qumranet
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*
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* Based on work done by:
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* Nir Peleg, Tutis Systems Ltd. for Qumranet Inc.
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* Copyright (c) 2007 Dan Aloni
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* Copyright (c) 2004 Antony T Curtis
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HW_NET_E1000X_COMMON_H
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#define HW_NET_E1000X_COMMON_H
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static inline void
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e1000x_inc_reg_if_not_full(uint32_t *mac, int index)
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{
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if (mac[index] != UINT32_MAX) {
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mac[index]++;
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}
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}
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static inline void
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e1000x_grow_8reg_if_not_full(uint32_t *mac, int index, int size)
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{
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uint64_t sum = mac[index] | (uint64_t)mac[index + 1] << 32;
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if (sum + size < sum) {
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sum = ~0ULL;
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} else {
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sum += size;
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}
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mac[index] = sum;
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mac[index + 1] = sum >> 32;
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}
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static inline int
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e1000x_vlan_enabled(uint32_t *mac)
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{
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return ((mac[CTRL] & E1000_CTRL_VME) != 0);
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}
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static inline int
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e1000x_is_vlan_txd(uint32_t txd_lower)
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{
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return ((txd_lower & E1000_TXD_CMD_VLE) != 0);
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}
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static inline int
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e1000x_vlan_rx_filter_enabled(uint32_t *mac)
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{
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return ((mac[RCTL] & E1000_RCTL_VFE) != 0);
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}
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static inline int
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e1000x_fcs_len(uint32_t *mac)
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{
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/* FCS aka Ethernet CRC-32. We don't get it from backends and can't
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* fill it in, just pad descriptor length by 4 bytes unless guest
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* told us to strip it off the packet. */
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return (mac[RCTL] & E1000_RCTL_SECRC) ? 0 : 4;
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}
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static inline void
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e1000x_update_regs_on_link_down(uint32_t *mac, uint16_t *phy)
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{
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mac[STATUS] &= ~E1000_STATUS_LU;
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phy[MII_BMSR] &= ~MII_BMSR_LINK_ST;
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phy[MII_BMSR] &= ~MII_BMSR_AN_COMP;
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phy[MII_ANLPAR] &= ~MII_ANLPAR_ACK;
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}
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static inline void
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e1000x_update_regs_on_link_up(uint32_t *mac, uint16_t *phy)
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{
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mac[STATUS] |= E1000_STATUS_LU;
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phy[MII_BMSR] |= MII_BMSR_LINK_ST;
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}
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void e1000x_update_rx_total_stats(uint32_t *mac,
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eth_pkt_types_e pkt_type,
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size_t pkt_size,
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size_t pkt_fcs_size);
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void e1000x_core_prepare_eeprom(uint16_t *eeprom,
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const uint16_t *templ,
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uint32_t templ_size,
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uint16_t dev_id,
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const uint8_t *macaddr);
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uint32_t e1000x_rxbufsize(uint32_t rctl);
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bool e1000x_rx_ready(PCIDevice *d, uint32_t *mac);
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bool e1000x_is_vlan_packet(const void *buf, uint16_t vet);
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bool e1000x_rx_vlan_filter(uint32_t *mac, const struct vlan_header *vhdr);
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bool e1000x_rx_group_filter(uint32_t *mac, const struct eth_header *ehdr);
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bool e1000x_hw_rx_enabled(uint32_t *mac);
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bool e1000x_is_oversized(uint32_t *mac, size_t size);
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void e1000x_restart_autoneg(uint32_t *mac, uint16_t *phy, QEMUTimer *timer);
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void e1000x_reset_mac_addr(NICState *nic, uint32_t *mac_regs,
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uint8_t *mac_addr);
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void e1000x_update_regs_on_autoneg_done(uint32_t *mac, uint16_t *phy);
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void e1000x_increase_size_stats(uint32_t *mac, const int *size_regs, int size);
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typedef struct e1000x_txd_props {
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uint8_t ipcss;
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uint8_t ipcso;
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uint16_t ipcse;
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uint8_t tucss;
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uint8_t tucso;
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uint16_t tucse;
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uint32_t paylen;
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uint8_t hdr_len;
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uint16_t mss;
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int8_t ip;
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int8_t tcp;
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bool tse;
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} e1000x_txd_props;
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void e1000x_read_tx_ctx_descr(struct e1000_context_desc *d,
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e1000x_txd_props *props);
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void e1000x_timestamp(uint32_t *mac, int64_t timadj, size_t lo, size_t hi);
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void e1000x_set_timinca(uint32_t *mac, int64_t *timadj, uint32_t val);
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#endif
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