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093454e2 | 1 | /* |
0eadd56b AO |
2 | * QEMU e1000(e) emulation - shared code |
3 | * | |
4 | * Copyright (c) 2008 Qumranet | |
5 | * | |
6 | * Based on work done by: | |
7 | * Nir Peleg, Tutis Systems Ltd. for Qumranet Inc. | |
8 | * Copyright (c) 2007 Dan Aloni | |
9 | * Copyright (c) 2004 Antony T Curtis | |
10 | * | |
11 | * This library is free software; you can redistribute it and/or | |
12 | * modify it under the terms of the GNU Lesser General Public | |
13 | * License as published by the Free Software Foundation; either | |
14 | * version 2.1 of the License, or (at your option) any later version. | |
15 | * | |
16 | * This library is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | * Lesser General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU Lesser General Public | |
22 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
23 | */ | |
093454e2 | 24 | |
f91005e1 MA |
25 | #ifndef HW_NET_E1000X_COMMON_H |
26 | #define HW_NET_E1000X_COMMON_H | |
27 | ||
093454e2 DF |
28 | static inline void |
29 | e1000x_inc_reg_if_not_full(uint32_t *mac, int index) | |
30 | { | |
2fe63579 | 31 | if (mac[index] != UINT32_MAX) { |
093454e2 DF |
32 | mac[index]++; |
33 | } | |
34 | } | |
35 | ||
36 | static inline void | |
37 | e1000x_grow_8reg_if_not_full(uint32_t *mac, int index, int size) | |
38 | { | |
39 | uint64_t sum = mac[index] | (uint64_t)mac[index + 1] << 32; | |
40 | ||
41 | if (sum + size < sum) { | |
42 | sum = ~0ULL; | |
43 | } else { | |
44 | sum += size; | |
45 | } | |
46 | mac[index] = sum; | |
47 | mac[index + 1] = sum >> 32; | |
48 | } | |
49 | ||
50 | static inline int | |
51 | e1000x_vlan_enabled(uint32_t *mac) | |
52 | { | |
53 | return ((mac[CTRL] & E1000_CTRL_VME) != 0); | |
54 | } | |
55 | ||
56 | static inline int | |
57 | e1000x_is_vlan_txd(uint32_t txd_lower) | |
58 | { | |
59 | return ((txd_lower & E1000_TXD_CMD_VLE) != 0); | |
60 | } | |
61 | ||
62 | static inline int | |
63 | e1000x_vlan_rx_filter_enabled(uint32_t *mac) | |
64 | { | |
65 | return ((mac[RCTL] & E1000_RCTL_VFE) != 0); | |
66 | } | |
67 | ||
68 | static inline int | |
69 | e1000x_fcs_len(uint32_t *mac) | |
70 | { | |
71 | /* FCS aka Ethernet CRC-32. We don't get it from backends and can't | |
72 | * fill it in, just pad descriptor length by 4 bytes unless guest | |
73 | * told us to strip it off the packet. */ | |
74 | return (mac[RCTL] & E1000_RCTL_SECRC) ? 0 : 4; | |
75 | } | |
76 | ||
77 | static inline void | |
78 | e1000x_update_regs_on_link_down(uint32_t *mac, uint16_t *phy) | |
79 | { | |
80 | mac[STATUS] &= ~E1000_STATUS_LU; | |
b7728c9f AO |
81 | phy[MII_BMSR] &= ~MII_BMSR_LINK_ST; |
82 | phy[MII_BMSR] &= ~MII_BMSR_AN_COMP; | |
83 | phy[MII_ANLPAR] &= ~MII_ANLPAR_ACK; | |
093454e2 DF |
84 | } |
85 | ||
86 | static inline void | |
87 | e1000x_update_regs_on_link_up(uint32_t *mac, uint16_t *phy) | |
88 | { | |
89 | mac[STATUS] |= E1000_STATUS_LU; | |
b7728c9f | 90 | phy[MII_BMSR] |= MII_BMSR_LINK_ST; |
093454e2 DF |
91 | } |
92 | ||
93 | void e1000x_update_rx_total_stats(uint32_t *mac, | |
f3f9b726 AO |
94 | eth_pkt_types_e pkt_type, |
95 | size_t pkt_size, | |
96 | size_t pkt_fcs_size); | |
093454e2 DF |
97 | |
98 | void e1000x_core_prepare_eeprom(uint16_t *eeprom, | |
99 | const uint16_t *templ, | |
100 | uint32_t templ_size, | |
101 | uint16_t dev_id, | |
102 | const uint8_t *macaddr); | |
103 | ||
104 | uint32_t e1000x_rxbufsize(uint32_t rctl); | |
105 | ||
106 | bool e1000x_rx_ready(PCIDevice *d, uint32_t *mac); | |
107 | ||
d921db0a | 108 | bool e1000x_is_vlan_packet(const void *buf, uint16_t vet); |
093454e2 | 109 | |
e9e5b930 AO |
110 | bool e1000x_rx_vlan_filter(uint32_t *mac, const struct vlan_header *vhdr); |
111 | ||
112 | bool e1000x_rx_group_filter(uint32_t *mac, const struct eth_header *ehdr); | |
093454e2 DF |
113 | |
114 | bool e1000x_hw_rx_enabled(uint32_t *mac); | |
115 | ||
116 | bool e1000x_is_oversized(uint32_t *mac, size_t size); | |
117 | ||
118 | void e1000x_restart_autoneg(uint32_t *mac, uint16_t *phy, QEMUTimer *timer); | |
119 | ||
120 | void e1000x_reset_mac_addr(NICState *nic, uint32_t *mac_regs, | |
121 | uint8_t *mac_addr); | |
122 | ||
123 | void e1000x_update_regs_on_autoneg_done(uint32_t *mac, uint16_t *phy); | |
124 | ||
125 | void e1000x_increase_size_stats(uint32_t *mac, const int *size_regs, int size); | |
126 | ||
127 | typedef struct e1000x_txd_props { | |
093454e2 DF |
128 | uint8_t ipcss; |
129 | uint8_t ipcso; | |
130 | uint16_t ipcse; | |
131 | uint8_t tucss; | |
132 | uint8_t tucso; | |
133 | uint16_t tucse; | |
134 | uint32_t paylen; | |
135 | uint8_t hdr_len; | |
136 | uint16_t mss; | |
137 | int8_t ip; | |
138 | int8_t tcp; | |
139 | bool tse; | |
093454e2 DF |
140 | } e1000x_txd_props; |
141 | ||
142 | void e1000x_read_tx_ctx_descr(struct e1000_context_desc *d, | |
143 | e1000x_txd_props *props); | |
f91005e1 | 144 | |
5fb7d149 AO |
145 | void e1000x_timestamp(uint32_t *mac, int64_t timadj, size_t lo, size_t hi); |
146 | void e1000x_set_timinca(uint32_t *mac, int64_t *timadj, uint32_t val); | |
147 | ||
f91005e1 | 148 | #endif |