On Mon, 18 Dec 2017 17:46:23 +0100
Adrien Mazarguil <adrien.mazarg...@6wind.com> wrote:
> +static int
> +ether_addr_from_str(struct ether_addr *eth_addr, const char *str)
> +{
> + static const uint8_t conv[0x100] = {
> + ['0'] = 0x80, ['1'] = 0x81, ['2'] = 0x82, ['3'] = 0x83,
> + ['4'] = 0x84, ['5'] = 0x85, ['6'] = 0x86, ['7'] = 0x87,
> + ['8'] = 0x88, ['9'] = 0x89, ['a'] = 0x8a, ['b'] = 0x8b,
> + ['c'] = 0x8c, ['d'] = 0x8d, ['e'] = 0x8e, ['f'] = 0x8f,
> + ['A'] = 0x8a, ['B'] = 0x8b, ['C'] = 0x8c, ['D'] = 0x8d,
> + ['E'] = 0x8e, ['F'] = 0x8f, [':'] = 0x40, ['-'] = 0x40,
> + ['\0'] = 0x60,
> + };
> + uint64_t addr = 0;
> + uint64_t buf = 0;
> + unsigned int i = 0;
> + unsigned int n = 0;
> + uint8_t tmp;
> +
> + do {
> + tmp = conv[(int)*(str++)];
> + if (!tmp)
> + return -EINVAL;
> + if (tmp & 0x40) {
> + i += (i & 1) + (!i << 1);
> + addr = (addr << (i << 2)) | buf;
> + n += i;
> + buf = 0;
> + i = 0;
> + } else {
> + buf = (buf << 4) | (tmp & 0xf);
> + ++i;
> + }
> + } while (!(tmp & 0x20));
> + if (n > 12)
> + return -EINVAL;
> + i = RTE_DIM(eth_addr->addr_bytes);
> + while (i) {
> + eth_addr->addr_bytes[--i] = addr & 0xff;
> + addr >>= 8;
> + }
> + return 0;
> +}
> +
Why not ether_ntoa?
