Use NetRxPackets[] as input buffers

diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 3a30fc422ab340687fddce98ee7a04a293bbf5e0..8d4cef00c5a3934170a0958cfedd91e6e7d0d8c4 100644 (file)
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -71,6 +71,8 @@ struct nbuf {
        uint8_t head[16];       /**< MAC header(6 + 6 + 2) + 2(aligned) */
 };
 
+static int rx_idx;
+
 #ifdef CONFIG_FEC_MXC_SWAP_PACKET
 static void swap_packet(uint32_t *packet, int length)
 {
@@ -803,7 +805,6 @@ static int fec_recv(struct eth_device *dev)
        uint16_t bd_status;
        uint32_t addr, size;
        int i;
-       uchar buff[FEC_MAX_PKT_SIZE];
 
        /*
         * Check if any critical events have happened
@@ -877,8 +878,9 @@ static int fec_recv(struct eth_device *dev)
 #ifdef CONFIG_FEC_MXC_SWAP_PACKET
                        swap_packet((uint32_t *)frame->data, frame_length);
 #endif
-                       memcpy(buff, frame->data, frame_length);
-                       NetReceive(buff, frame_length);
+                       memcpy((void *)NetRxPackets[rx_idx], frame->data, frame_length);
+                       NetReceive(NetRxPackets[rx_idx], frame_length);
+                       rx_idx = (rx_idx + 1) % PKTBUFSRX;
                        len = frame_length;
                } else {
                        if (bd_status & FEC_RBD_ERR)