From fb8977c5be93f8e967df224fe0a44721d60e34dc Mon Sep 17 00:00:00 2001 From: Joe Hershberger Date: Fri, 13 Sep 2019 19:21:16 -0500 Subject: [PATCH] net: Always build the string_to_enetaddr() helper Part of the env cleanup moved this out of the environment code and into the net code. However, this helper is sometimes needed even when the net stack isn't included. Move the helper to lib/net_utils.c like it's similarly-purposed string_to_ip(). Also rename the moved function to similar naming. Signed-off-by: Joe Hershberger Reported-by: Ondrej Jirman --- arch/arm/mach-tegra/cboot.c | 2 +- board/renesas/sh7752evb/sh7752evb.c | 2 +- board/renesas/sh7753evb/sh7753evb.c | 2 +- board/renesas/sh7757lcr/sh7757lcr.c | 4 ++-- cmd/ethsw.c | 2 +- cmd/nvedit.c | 2 +- doc/README.enetaddr | 4 ++-- include/net.h | 27 +++++++++++++-------------- lib/net_utils.c | 15 +++++++++++++++ net/eth-uclass.c | 2 +- net/eth_legacy.c | 2 +- net/net.c | 12 ------------ 12 files changed, 39 insertions(+), 37 deletions(-) diff --git a/arch/arm/mach-tegra/cboot.c b/arch/arm/mach-tegra/cboot.c index 0433081..0762144 100644 --- a/arch/arm/mach-tegra/cboot.c +++ b/arch/arm/mach-tegra/cboot.c @@ -495,7 +495,7 @@ static int cboot_get_ethaddr_legacy(const void *fdt, uint8_t mac[ETH_ALEN]) return -ENOENT; } - eth_parse_enetaddr(prop, mac); + string_to_enetaddr(prop, mac); if (!is_valid_ethaddr(mac)) { printf("Invalid MAC address: %s\n", prop); diff --git a/board/renesas/sh7752evb/sh7752evb.c b/board/renesas/sh7752evb/sh7752evb.c index d675f65..203eecf 100644 --- a/board/renesas/sh7752evb/sh7752evb.c +++ b/board/renesas/sh7752evb/sh7752evb.c @@ -94,7 +94,7 @@ static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string) unsigned char mac[6]; unsigned long val; - eth_parse_enetaddr(mac_string, mac); + string_to_enetaddr(mac_string, mac); if (!channel) ether = GETHER0_MAC_BASE; diff --git a/board/renesas/sh7753evb/sh7753evb.c b/board/renesas/sh7753evb/sh7753evb.c index 43e1382..0b118b2 100644 --- a/board/renesas/sh7753evb/sh7753evb.c +++ b/board/renesas/sh7753evb/sh7753evb.c @@ -101,7 +101,7 @@ static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string) unsigned char mac[6]; unsigned long val; - eth_parse_enetaddr(mac_string, mac); + string_to_enetaddr(mac_string, mac); if (!channel) ether = GETHER0_MAC_BASE; diff --git a/board/renesas/sh7757lcr/sh7757lcr.c b/board/renesas/sh7757lcr/sh7757lcr.c index 1d7ed99..e8d1fdd 100644 --- a/board/renesas/sh7757lcr/sh7757lcr.c +++ b/board/renesas/sh7757lcr/sh7757lcr.c @@ -141,7 +141,7 @@ static void set_mac_to_sh_eth_register(int channel, char *mac_string) unsigned char mac[6]; unsigned long val; - eth_parse_enetaddr(mac_string, mac); + string_to_enetaddr(mac_string, mac); if (!channel) ether = ETHER0_MAC_BASE; @@ -160,7 +160,7 @@ static void set_mac_to_sh_giga_eth_register(int channel, char *mac_string) unsigned char mac[6]; unsigned long val; - eth_parse_enetaddr(mac_string, mac); + string_to_enetaddr(mac_string, mac); if (!channel) ether = GETHER0_MAC_BASE; diff --git a/cmd/ethsw.c b/cmd/ethsw.c index 8846805..8d271ce 100644 --- a/cmd/ethsw.c +++ b/cmd/ethsw.c @@ -864,7 +864,7 @@ static int keyword_match_mac_addr(enum ethsw_keyword_id key_id, int argc, return 0; } - eth_parse_enetaddr(argv[*argc_nr + 1], parsed_cmd->ethaddr); + string_to_enetaddr(argv[*argc_nr + 1], parsed_cmd->ethaddr); if (is_broadcast_ethaddr(parsed_cmd->ethaddr)) { memset(parsed_cmd->ethaddr, 0xFF, sizeof(parsed_cmd->ethaddr)); diff --git a/cmd/nvedit.c b/cmd/nvedit.c index 3420e0b..81d94cd 100644 --- a/cmd/nvedit.c +++ b/cmd/nvedit.c @@ -361,7 +361,7 @@ ulong env_get_hex(const char *varname, ulong default_val) int eth_env_get_enetaddr(const char *name, uint8_t *enetaddr) { - eth_parse_enetaddr(env_get(name), enetaddr); + string_to_enetaddr(env_get(name), enetaddr); return is_valid_ethaddr(enetaddr); } diff --git a/doc/README.enetaddr b/doc/README.enetaddr index f926485..5baa9f2 100644 --- a/doc/README.enetaddr +++ b/doc/README.enetaddr @@ -76,12 +76,12 @@ To assist in the management of these layers, a few helper functions exist. You should use these rather than attempt to do any kind of parsing/manipulation yourself as many common errors have arisen in the past. - * void eth_parse_enetaddr(const char *addr, uchar *enetaddr); + * void string_to_enetaddr(const char *addr, uchar *enetaddr); Convert a string representation of a MAC address to the binary version. char *addr = "00:11:22:33:44:55"; uchar enetaddr[6]; -eth_parse_enetaddr(addr, enetaddr); +string_to_enetaddr(addr, enetaddr); /* enetaddr now equals { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 } */ * int eth_env_get_enetaddr(char *name, uchar *enetaddr); diff --git a/include/net.h b/include/net.h index 11eca1b..22c83bc 100644 --- a/include/net.h +++ b/include/net.h @@ -826,6 +826,19 @@ static inline void net_random_ethaddr(uchar *addr) addr[0] |= 0x02; /* set local assignment bit (IEEE802) */ } +/** + * string_to_enetaddr() - Parse a MAC address + * + * Convert a string MAC address + * + * Implemented in lib/net_utils.c (built unconditionally) + * + * @addr: MAC address in aa:bb:cc:dd:ee:ff format, where each part is a 2-digit + * hex value + * @enetaddr: Place to put MAC address (6 bytes) + */ +void string_to_enetaddr(const char *addr, uint8_t *enetaddr); + /* Convert an IP address to a string */ void ip_to_string(struct in_addr x, char *s); @@ -880,19 +893,6 @@ unsigned int random_port(void); */ int update_tftp(ulong addr, char *interface, char *devstring); -/**********************************************************************/ - -/** - * eth_parse_enetaddr() - Parse a MAC address - * - * Convert a string MAC address - * - * @addr: MAC address in aa:bb:cc:dd:ee:ff format, where each part is a 2-digit - * hex value - * @enetaddr: Place to put MAC address (6 bytes) - */ -void eth_parse_enetaddr(const char *addr, uint8_t *enetaddr); - /** * env_get_ip() - Convert an environment value to to an ip address * @@ -905,5 +905,4 @@ static inline struct in_addr env_get_ip(char *var) { return string_to_ip(env_get(var)); } - #endif /* __NET_H__ */ diff --git a/lib/net_utils.c b/lib/net_utils.c index 9fb9d4a..ed5044c 100644 --- a/lib/net_utils.c +++ b/lib/net_utils.c @@ -41,3 +41,18 @@ struct in_addr string_to_ip(const char *s) addr.s_addr = htonl(addr.s_addr); return addr; } + +void string_to_enetaddr(const char *addr, uint8_t *enetaddr) +{ + char *end; + int i; + + if (!enetaddr) + return; + + for (i = 0; i < 6; ++i) { + enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; + if (addr) + addr = (*end) ? end + 1 : end; + } +} diff --git a/net/eth-uclass.c b/net/eth-uclass.c index 3bd98b0..9fe4096 100644 --- a/net/eth-uclass.c +++ b/net/eth-uclass.c @@ -227,7 +227,7 @@ static int on_ethaddr(const char *name, const char *value, enum env_op op, switch (op) { case env_op_create: case env_op_overwrite: - eth_parse_enetaddr(value, pdata->enetaddr); + string_to_enetaddr(value, pdata->enetaddr); eth_write_hwaddr(dev); break; case env_op_delete: diff --git a/net/eth_legacy.c b/net/eth_legacy.c index 41f5263..5d6b0d7 100644 --- a/net/eth_legacy.c +++ b/net/eth_legacy.c @@ -117,7 +117,7 @@ static int on_ethaddr(const char *name, const char *value, enum env_op op, switch (op) { case env_op_create: case env_op_overwrite: - eth_parse_enetaddr(value, dev->enetaddr); + string_to_enetaddr(value, dev->enetaddr); eth_write_hwaddr(dev, "eth", dev->index); break; case env_op_delete: diff --git a/net/net.c b/net/net.c index 0513444..284ae1b 100644 --- a/net/net.c +++ b/net/net.c @@ -1625,15 +1625,3 @@ ushort env_get_vlan(char *var) { return string_to_vlan(env_get(var)); } - -void eth_parse_enetaddr(const char *addr, uint8_t *enetaddr) -{ - char *end; - int i; - - for (i = 0; i < 6; ++i) { - enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; - if (addr) - addr = (*end) ? end + 1 : end; - } -} -- 1.9.1