contrib/octeon-sdk/cvmx-mgmt-port.c

96     int                         rx_read_index;  /* Where the next RX will be in the rx_ring and rx_buffers */
669         uint64_t *source = (void *)state->rx_buffers[state->rx_read_index];
680         while (state->rx_ring[state->rx_read_index].s.code == 16)
683             int length = state->rx_ring[state->rx_read_index].s.len;
694             state->rx_ring[state->rx_read_index].s.code = 0;
695             state->rx_ring[state->rx_read_index].s.len = CVMX_MGMT_PORT_RX_BUFFER_SIZE - 8;
696             state->rx_read_index = (state->rx_read_index + 1) % CVMX_MGMT_PORT_NUM_RX_BUFFERS;
702             source = (void *)state->rx_buffers[state->rx_read_index];
707         if (state->rx_ring[state->rx_read_index].s.code == 15)
709             if (buffer_len >= state->rx_ring[state->rx_read_index].s.len)
711                 int length = state->rx_ring[state->rx_read_index].s.len;
718                 cvmx_dprintf("ERROR: cvmx_mgmt_port_receive: Packet (%d) larger than supplied buffer (%d)\n", state->rx_ring[state->rx_read_index].s.len, buffer_len);
725                          state->rx_ring[state->rx_read_index].s.code, state->rx_ring[state->rx_read_index].s.len + result);
726             result = -state->rx_ring[state->rx_read_index].s.code;
735         state->rx_ring[state->rx_read_index].s.code = 0;
736         state->rx_ring[state->rx_read_index].s.len = CVMX_MGMT_PORT_RX_BUFFER_SIZE - 8;
737         state->rx_read_index = (state->rx_read_index + 1) % CVMX_MGMT_PORT_NUM_RX_BUFFERS;