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83d290c5 | 1 | // SPDX-License-Identifier: GPL-2.0+ |
818f91eb SG |
2 | /* |
3 | * (C) Copyright 2001-2015 | |
4 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
5 | * Joe Hershberger, National Instruments | |
818f91eb SG |
6 | */ |
7 | ||
8 | #include <common.h> | |
8607a6bf | 9 | #include <dm.h> |
9925f1db | 10 | #include <environment.h> |
818f91eb | 11 | #include <miiphy.h> |
8607a6bf | 12 | #include <net.h> |
818f91eb SG |
13 | #include "eth_internal.h" |
14 | ||
35affd7a | 15 | int eth_env_get_enetaddr_by_index(const char *base_name, int index, |
9987ecdd SG |
16 | uchar *enetaddr) |
17 | { | |
18 | char enetvar[32]; | |
19 | sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); | |
35affd7a | 20 | return eth_env_get_enetaddr(enetvar, enetaddr); |
9987ecdd SG |
21 | } |
22 | ||
fd1e959e | 23 | int eth_env_set_enetaddr_by_index(const char *base_name, int index, |
9987ecdd SG |
24 | uchar *enetaddr) |
25 | { | |
26 | char enetvar[32]; | |
27 | sprintf(enetvar, index ? "%s%daddr" : "%saddr", base_name, index); | |
fd1e959e | 28 | return eth_env_set_enetaddr(enetvar, enetaddr); |
9987ecdd SG |
29 | } |
30 | ||
818f91eb SG |
31 | void eth_common_init(void) |
32 | { | |
33 | bootstage_mark(BOOTSTAGE_ID_NET_ETH_START); | |
34 | #if defined(CONFIG_MII) || defined(CONFIG_CMD_MII) || defined(CONFIG_PHYLIB) | |
35 | miiphy_init(); | |
36 | #endif | |
37 | ||
38 | #ifdef CONFIG_PHYLIB | |
39 | phy_init(); | |
40 | #endif | |
41 | } | |
8607a6bf SG |
42 | |
43 | int eth_mac_skip(int index) | |
44 | { | |
45 | char enetvar[15]; | |
46 | char *skip_state; | |
47 | ||
48 | sprintf(enetvar, index ? "eth%dmacskip" : "ethmacskip", index); | |
00caae6d | 49 | skip_state = env_get(enetvar); |
8607a6bf SG |
50 | return skip_state != NULL; |
51 | } | |
52 | ||
53 | void eth_current_changed(void) | |
54 | { | |
00caae6d | 55 | char *act = env_get("ethact"); |
8607a6bf SG |
56 | char *ethrotate; |
57 | ||
58 | /* | |
59 | * The call to eth_get_dev() below has a side effect of rotating | |
60 | * ethernet device if uc_priv->current == NULL. This is not what | |
61 | * we want when 'ethrotate' variable is 'no'. | |
62 | */ | |
00caae6d | 63 | ethrotate = env_get("ethrotate"); |
8607a6bf SG |
64 | if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) |
65 | return; | |
66 | ||
67 | /* update current ethernet name */ | |
68 | if (eth_get_dev()) { | |
69 | if (act == NULL || strcmp(act, eth_get_name()) != 0) | |
382bee57 | 70 | env_set("ethact", eth_get_name()); |
8607a6bf SG |
71 | } |
72 | /* | |
73 | * remove the variable completely if there is no active | |
74 | * interface | |
75 | */ | |
76 | else if (act != NULL) | |
382bee57 | 77 | env_set("ethact", NULL); |
8607a6bf SG |
78 | } |
79 | ||
80 | void eth_try_another(int first_restart) | |
81 | { | |
82 | static void *first_failed; | |
83 | char *ethrotate; | |
84 | ||
85 | /* | |
86 | * Do not rotate between network interfaces when | |
87 | * 'ethrotate' variable is set to 'no'. | |
88 | */ | |
00caae6d | 89 | ethrotate = env_get("ethrotate"); |
8607a6bf SG |
90 | if ((ethrotate != NULL) && (strcmp(ethrotate, "no") == 0)) |
91 | return; | |
92 | ||
93 | if (!eth_get_dev()) | |
94 | return; | |
95 | ||
96 | if (first_restart) | |
97 | first_failed = eth_get_dev(); | |
98 | ||
99 | eth_set_current_to_next(); | |
100 | ||
101 | eth_current_changed(); | |
102 | ||
103 | if (first_failed == eth_get_dev()) | |
104 | net_restart_wrap = 1; | |
105 | } | |
106 | ||
107 | void eth_set_current(void) | |
108 | { | |
109 | static char *act; | |
110 | static int env_changed_id; | |
111 | int env_id; | |
112 | ||
113 | env_id = get_env_id(); | |
114 | if ((act == NULL) || (env_changed_id != env_id)) { | |
00caae6d | 115 | act = env_get("ethact"); |
8607a6bf SG |
116 | env_changed_id = env_id; |
117 | } | |
118 | ||
119 | if (act == NULL) { | |
00caae6d | 120 | char *ethprime = env_get("ethprime"); |
8607a6bf SG |
121 | void *dev = NULL; |
122 | ||
123 | if (ethprime) | |
124 | dev = eth_get_dev_by_name(ethprime); | |
125 | if (dev) | |
126 | eth_set_dev(dev); | |
127 | else | |
128 | eth_set_dev(NULL); | |
129 | } else { | |
130 | eth_set_dev(eth_get_dev_by_name(act)); | |
131 | } | |
132 | ||
133 | eth_current_changed(); | |
134 | } | |
135 | ||
136 | const char *eth_get_name(void) | |
137 | { | |
138 | return eth_get_dev() ? eth_get_dev()->name : "unknown"; | |
139 | } |