/**
* @name Private functions
* @{
*/
static void
dpdk_fragment_assembler(void *arg)
{
uint32_t hash, index;
unsigned int cpu;
struct vr_packet *pkt;
struct fragment_bucket *bucket;
struct vr_fragment_queue_element *tail, *tail_n, *tail_p, *tail_pn;
struct per_cpu_fragment_queue *queue =
(struct per_cpu_fragment_queue *)arg;
tail = __sync_lock_test_and_set(&queue->queue.vfq_tail, NULL);
if (!tail)
return;
cpu = vr_get_cpu() - VR_DPDK_FWD_LCORE_ID;
assert(cpu >= 0 && cpu < (vr_num_cpus - VR_DPDK_FWD_LCORE_ID));
/*
* first, reverse the list, since packets that came later are at the
* head of the list
*/
tail_p = tail->fqe_next;
tail->fqe_next = NULL;
while (tail_p) {
tail_pn = tail_p->fqe_next;
tail_p->fqe_next = tail;
tail = tail_p;
tail_p = tail_pn;
}
/* go through the list and insert it in the assembler work area */
while (tail) {
tail_n = tail->fqe_next;
tail->fqe_next = NULL;
pkt = tail->fqe_pnode.pl_packet;
if (pkt) {
hash = vr_fragment_get_hash(tail->fqe_pnode.pl_vrf, pkt);
index = (hash % VR_LINUX_ASSEMBLER_BUCKETS);
bucket = &assembler_table[cpu][index];
vr_fragment_assembler(&bucket->frag_list, tail);
}
tail = tail_n;
}
return;
}
void
lh_fragment_sync_assemble(struct vr_fragment_queue_element *vfqe)
{
uint32_t hash, index;
struct vr_linux_fragment_bucket *vfb;
hash = vr_fragment_get_hash(&vfqe->fqe_pnode);
index = (hash % VR_ASSEMBLER_BUCKET_COUNT);
vfb = &vr_linux_assembler_table[index];
spin_lock_bh(&vfb->vfb_lock);
vr_fragment_assemble(&vfb->vfb_frag_list, vfqe);
spin_unlock_bh(&vfb->vfb_lock);
}
