SK_PORT_B
skca.skc_port = SK_PORT_B;
struct sk_if_softc *sc_if1 = sc->sk_if[SK_PORT_B];
if (sa->skc_port != SK_PORT_A && sa->skc_port != SK_PORT_B)
skca.skc_port = SK_PORT_B;
struct sk_if_softc *sc_if1 = sc->sk_if[SK_PORT_B];
if (sa->skc_port != SK_PORT_A && sa->skc_port != SK_PORT_B)
if (sa->skc_port == SK_PORT_B)