* tree. */
OFPPS_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
OFPPS_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
OFPPS_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
OFPPS_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */
* tree. */
OFPPS_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
OFPPS_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
OFPPS_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
OFPPS_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */