ring->cqn = priv->rx_cq[ring_ind]->mcq.cqn;
ring->stride = stride;
- if (ring->stride <= TXBB_SIZE)
+ if (ring->stride <= TXBB_SIZE) {
+ /* Stamp first unused send wqe */
+ __be32 *ptr = (__be32 *)ring->buf;
+ __be32 stamp = cpu_to_be32(1 << STAMP_SHIFT);
+ *ptr = stamp;
+ /* Move pointer to start of rx section */
ring->buf += TXBB_SIZE;
+ }
ring->log_stride = ffs(ring->stride) - 1;
ring->buf_size = ring->size * ring->stride;
return;
for (ring = 0; ring < priv->rx_ring_num; ring++) {
- if (mlx4_en_is_ring_empty(priv->rx_ring[ring]))
+ if (mlx4_en_is_ring_empty(priv->rx_ring[ring])) {
+ local_bh_disable();
napi_reschedule(&priv->rx_cq[ring]->napi);
+ local_bh_enable();
+ }
}
}