os_mqueue_get

struct os_mbuf *os_mqueue_get(struct os_mqueue *mq)

Retrieves a packet off an mqueue. Returns a pointer to the mbuf at the head of the mbuf chain or NULL if no packets are on the queue.

Arguments

Arguments	Description
mq	The mqueue to retrieve an mbuf from.

Returned values

The packet at the head of the queue or NULL if no packets are on the queue.

Example

uint32_t pkts_rxd;
struct os_mqueue rxpkt_q;

void
process_rx_data_queue(void)
{
    struct os_mbuf *om;

    /* Drain all packets off queue and process them */
    while ((om = os_mqueue_get(&rxpkt_q)) != NULL) {
        ++pkts_rxd;
        os_mbuf_free_chain(om);
    }
}