From 3f6e6993e92fd0658da1746d1c84644612ee520b Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 29 Jan 2009 19:43:44 -0500 Subject: net: new utility functions for working with enetaddr's Declare new utility functions for converting between the environment variables (eth*addr) and the binary MAC address representation. This way we can unify all the random places that already do this kind of thing. The functions in question: eth_parse_enetaddr - "..." -> {...} eth_getenv_enetaddr - env -> {...} eth_setenv_enetaddr - {...} -> env Signed-off-by: Mike Frysinger CC: Ben Warren --- net/eth.c | 69 +++++++++++++++++++++++++++++++++++---------------------------- 1 file changed, 38 insertions(+), 31 deletions(-) (limited to 'net/eth.c') diff --git a/net/eth.c b/net/eth.c index 217e8853f5..4bbf84b6bb 100644 --- a/net/eth.c +++ b/net/eth.c @@ -26,6 +26,35 @@ #include #include +#ifdef CONFIG_CMD_NET +void eth_parse_enetaddr(const char *addr, uchar *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; + } +} + +int eth_getenv_enetaddr(char *name, uchar *enetaddr) +{ + eth_parse_enetaddr(getenv(name), enetaddr); + return is_valid_ether_addr(enetaddr); +} + +int eth_setenv_enetaddr(char *name, const uchar *enetaddr) +{ + char buf[20]; + + sprintf(buf, "%pM", enetaddr); + + return setenv(name, buf); +} +#endif + #if defined(CONFIG_CMD_NET) && defined(CONFIG_NET_MULTI) static char *act = NULL; @@ -156,8 +185,7 @@ int eth_initialize(bd_t *bis) { char enetvar[32]; unsigned char env_enetaddr[6]; - int i, eth_number = 0; - char *tmp, *end; + int eth_number = 0; eth_devices = NULL; eth_current = NULL; @@ -197,13 +225,7 @@ int eth_initialize(bd_t *bis) } sprintf(enetvar, eth_number ? "eth%daddr" : "ethaddr", eth_number); - tmp = getenv (enetvar); - - for (i=0; i<6; i++) { - env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0; - if (tmp) - tmp = (*end) ? end+1 : end; - } + eth_getenv_enetaddr(enetvar, env_enetaddr); if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6)) { if (memcmp(dev->enetaddr, "\0\0\0\0\0\0", 6) && @@ -211,16 +233,10 @@ int eth_initialize(bd_t *bis) { printf ("\nWarning: %s MAC addresses don't match:\n", dev->name); - printf ("Address in SROM is " - "%02X:%02X:%02X:%02X:%02X:%02X\n", - dev->enetaddr[0], dev->enetaddr[1], - dev->enetaddr[2], dev->enetaddr[3], - dev->enetaddr[4], dev->enetaddr[5]); - printf ("Address in environment is " - "%02X:%02X:%02X:%02X:%02X:%02X\n", - env_enetaddr[0], env_enetaddr[1], - env_enetaddr[2], env_enetaddr[3], - env_enetaddr[4], env_enetaddr[5]); + printf ("Address in SROM is %pM\n", + dev->enetaddr); + printf ("Address in environment is %pM\n", + env_enetaddr); } memcpy(dev->enetaddr, env_enetaddr, 6); @@ -249,19 +265,13 @@ int eth_initialize(bd_t *bis) void eth_set_enetaddr(int num, char *addr) { struct eth_device *dev; unsigned char enetaddr[6]; - char *end; - int i; debug ("eth_set_enetaddr(num=%d, addr=%s)\n", num, addr); if (!eth_devices) return; - for (i=0; i<6; i++) { - enetaddr[i] = addr ? simple_strtoul(addr, &end, 16) : 0; - if (addr) - addr = (*end) ? end+1 : end; - } + eth_parse_enetaddr(addr, enetaddr); dev = eth_devices; while(num-- > 0) { @@ -272,11 +282,8 @@ void eth_set_enetaddr(int num, char *addr) { } debug ( "Setting new HW address on %s\n" - "New Address is %02X:%02X:%02X:%02X:%02X:%02X\n", - dev->name, - enetaddr[0], enetaddr[1], - enetaddr[2], enetaddr[3], - enetaddr[4], enetaddr[5]); + "New Address is %pM\n", + dev->name, enetaddr); memcpy(dev->enetaddr, enetaddr, 6); } -- cgit v1.2.1