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Commit | Line | Data |
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818f91eb SG |
1 | /* |
2 | * (C) Copyright 2001-2015 | |
3 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
4 | * Joe Hershberger, National Instruments | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0+ | |
7 | */ | |
8 | ||
9 | #include <common.h> | |
8607a6bf | 10 | #include <dm.h> |
818f91eb | 11 | #include <miiphy.h> |
8607a6bf | 12 | #include <net.h> |
818f91eb SG |
13 | #include "eth_internal.h" |
14 | ||
9987ecdd SG |
15 | void eth_parse_enetaddr(const char *addr, uchar *enetaddr) |
16 | { | |
17 | char *end; | |
18 | int i; | |
19 | ||
20 | for (i = 0; i < 6; ++i) { | |
21 | enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; | |
22 | if (addr) | |
23 | addr = (*end) ? end + 1 : end; | |
24 | } | |
25 | } | |
26 | ||
35affd7a | 27 | int eth_env_get_enetaddr(const char *name, uchar *enetaddr) |
9987ecdd | 28 | { |
00caae6d | 29 | eth_parse_enetaddr(env_get(name), enetaddr); |
9987ecdd SG |
30 | return is_valid_ethaddr(enetaddr); |
31 | } | |
32 | ||
fd1e959e | 33 | int eth_env_set_enetaddr(const char *name, const uchar *enetaddr) |
9987ecdd | 34 | { |
9f455bcb | 35 | char buf[ARP_HLEN_ASCII + 1]; |
9987ecdd | 36 | |
35affd7a | 37 | if (eth_env_get_enetaddr(name, (uchar *)buf)) |
ee6fdfad RQ |
38 | return -EEXIST; |
39 | ||
9987ecdd SG |
40 | sprintf(buf, "%pM", enetaddr); |
41 | ||
382bee57 | 42 | return env_set(name, buf); |
9987ecdd SG |
43 | } |
44 | ||
35affd7a | 45 | int eth_env_get_enetaddr_by_index(const char *base_name, int index, |
9987ecdd SG |
46 | uchar *enetaddr) |
47 | { | |
48 | char enetvar[32]; | |
49 | sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); | |
35affd7a | 50 | return eth_env_get_enetaddr(enetvar, enetaddr); |
9987ecdd SG |
51 | } |
52 | ||
fd1e959e | 53 | int eth_env_set_enetaddr_by_index(const char *base_name, int index, |
9987ecdd SG |
54 | uchar *enetaddr) |
55 | { | |
56 | char enetvar[32]; | |
57 | sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); | |
fd1e959e | 58 | return eth_env_set_enetaddr(enetvar, enetaddr); |
9987ecdd SG |
59 | } |
60 | ||
818f91eb SG |
61 | void eth_common_init(void) |
62 | { | |
63 | bootstage_mark(BOOTSTAGE_ID_NET_ETH_START); | |
64 | #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB) | |
65 | miiphy_init(); | |
66 | #endif | |
67 | ||
68 | #ifdef CONFIG_PHYLIB | |
69 | phy_init(); | |
70 | #endif | |
71 | } | |
8607a6bf SG |
72 | |
73 | int eth_mac_skip(int index) | |
74 | { | |
75 | char enetvar[15]; | |
76 | char *skip_state; | |
77 | ||
78 | sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index); | |
00caae6d | 79 | skip_state = env_get(enetvar); |
8607a6bf SG |
80 | return skip_state != NULL; |
81 | } | |
82 | ||
83 | void eth_current_changed(void) | |
84 | { | |
00caae6d | 85 | char *act = env_get("ethact"); |
8607a6bf SG |
86 | char *ethrotate; |
87 | ||
88 | /* | |
89 | * The call to eth_get_dev() below has a side effect of rotating | |
90 | * ethernet device if uc_priv->current == NULL. This is not what | |
91 | * we want when 'ethrotate' variable is 'no'. | |
92 | */ | |
00caae6d | 93 | ethrotate = env_get("ethrotate"); |
8607a6bf SG |
94 | if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) |
95 | return; | |
96 | ||
97 | /* update current ethernet name */ | |
98 | if (eth_get_dev()) { | |
99 | if (act == NULL || strcmp(act, eth_get_name()) != 0) | |
382bee57 | 100 | env_set("ethact", eth_get_name()); |
8607a6bf SG |
101 | } |
102 | /* | |
103 | * remove the variable completely if there is no active | |
104 | * interface | |
105 | */ | |
106 | else if (act != NULL) | |
382bee57 | 107 | env_set("ethact", NULL); |
8607a6bf SG |
108 | } |
109 | ||
110 | void eth_try_another(int first_restart) | |
111 | { | |
112 | static void *first_failed; | |
113 | char *ethrotate; | |
114 | ||
115 | /* | |
116 | * Do not rotate between network interfaces when | |
117 | * 'ethrotate' variable is set to 'no'. | |
118 | */ | |
00caae6d | 119 | ethrotate = env_get("ethrotate"); |
8607a6bf SG |
120 | if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) |
121 | return; | |
122 | ||
123 | if (!eth_get_dev()) | |
124 | return; | |
125 | ||
126 | if (first_restart) | |
127 | first_failed = eth_get_dev(); | |
128 | ||
129 | eth_set_current_to_next(); | |
130 | ||
131 | eth_current_changed(); | |
132 | ||
133 | if (first_failed == eth_get_dev()) | |
134 | net_restart_wrap = 1; | |
135 | } | |
136 | ||
137 | void eth_set_current(void) | |
138 | { | |
139 | static char *act; | |
140 | static int env_changed_id; | |
141 | int env_id; | |
142 | ||
143 | env_id = get_env_id(); | |
144 | if ((act == NULL) || (env_changed_id != env_id)) { | |
00caae6d | 145 | act = env_get("ethact"); |
8607a6bf SG |
146 | env_changed_id = env_id; |
147 | } | |
148 | ||
149 | if (act == NULL) { | |
00caae6d | 150 | char *ethprime = env_get("ethprime"); |
8607a6bf SG |
151 | void *dev = NULL; |
152 | ||
153 | if (ethprime) | |
154 | dev = eth_get_dev_by_name(ethprime); | |
155 | if (dev) | |
156 | eth_set_dev(dev); | |
157 | else | |
158 | eth_set_dev(NULL); | |
159 | } else { | |
160 | eth_set_dev(eth_get_dev_by_name(act)); | |
161 | } | |
162 | ||
163 | eth_current_changed(); | |
164 | } | |
165 | ||
166 | const char *eth_get_name(void) | |
167 | { | |
168 | return eth_get_dev() ? eth_get_dev()->name : "unknown"; | |
169 | } |