void ring_bond::devide_buffers_helper(descq_t *rx_reuse, descq_t* buffer_per_ring)
{
int last_found_index = 0;
while (!rx_reuse->empty()) {
mem_buf_desc_t* buff = rx_reuse->front();
rx_reuse->pop_front();
uint32_t checked = 0;
int index = last_found_index;
while (checked < m_n_num_resources) {
if (m_bond_rings[index] == buff->p_desc_owner) {
buffer_per_ring[index].push_back(buff);
last_found_index = index;
break;
}
checked++;
index++;
index = index % m_n_num_resources;
}
//no owner
if (checked == m_n_num_resources) {
ring_logfunc("No matching ring %p to return buffer", buff->p_desc_owner);
buffer_per_ring[m_n_num_resources].push_back(buff);
}
}
}
void ring_bond::send_lwip_buffer(ring_user_id_t id, vma_ibv_send_wr* p_send_wqe, bool b_block)
{
mem_buf_desc_t* p_mem_buf_desc = (mem_buf_desc_t*)(p_send_wqe->wr_id);
ring_simple* active_ring = m_active_rings[id];
if (likely(active_ring && p_mem_buf_desc->p_desc_owner == active_ring)) {
active_ring->send_lwip_buffer(id, p_send_wqe, b_block);
} else {
ring_logfunc("active ring=%p, silent packet drop (%p), (HA event?)", active_ring, p_mem_buf_desc);
p_mem_buf_desc->p_next_desc = NULL;
/* no need to free the buffer here, as for lwip buffers we have 2 ref counts, */
/* one for caller, and one for completion. for completion, we ref count in */
/* send_lwip_buffer(). Since we are not going in, the caller will free the */
/* buffer. */
}
}
void ring_bond::send_ring_buffer(ring_user_id_t id, vma_ibv_send_wr* p_send_wqe, vma_wr_tx_packet_attr attr)
{
mem_buf_desc_t* p_mem_buf_desc = (mem_buf_desc_t*)(p_send_wqe->wr_id);
ring_simple* active_ring = m_active_rings[id];
if (likely(active_ring && p_mem_buf_desc->p_desc_owner == active_ring)) {
active_ring->send_ring_buffer(id, p_send_wqe, attr);
} else {
ring_logfunc("active ring=%p, silent packet drop (%p), (HA event?)", active_ring, p_mem_buf_desc);
p_mem_buf_desc->p_next_desc = NULL;
active_ring = m_bond_rings[id];
if (likely(p_mem_buf_desc->p_desc_owner == active_ring)) {
active_ring->mem_buf_tx_release(p_mem_buf_desc, true);
} else {
mem_buf_tx_release(p_mem_buf_desc, true);
}
}
}