SSR_SP
ssr &= ~SSR_SP(instance, SSR_SP_MASK);
ssr |= SSR_SP(instance, SSR_SP_1000MBPS);
ssr |= SSR_SP(instance, SSR_SP_100MBPS);
ssr |= SSR_SP(instance, SSR_SP_10MBPS);
ssr &= ~SSR_SP(instance, SSR_SP_MASK);