net/bnxt: support LRO

[dpdk.git] / drivers / net / bnxt / bnxt_ring.c

diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c
index a12c0aa..9d0ae27 100644 (file)
--- a/drivers/net/bnxt/bnxt_ring.c
+++ b/drivers/net/bnxt/bnxt_ring.c
@@ -31,6 +31,7 @@
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include <rte_bitmap.h>
 #include <rte_memzone.h>
 #include <unistd.h>
 
@@ -137,11 +138,23 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
                RTE_CACHE_LINE_ROUNDUP(rx_ring_info->rx_ring_struct->ring_size *
                sizeof(struct rx_prod_pkt_bd)) : 0;
 
-       int total_alloc_len = rx_ring_start + rx_ring_len;
-       int ag_ring_start = 0;
+       int ag_ring_start = rx_ring_start + rx_ring_len;
+       int ag_ring_len = rx_ring_len * AGG_RING_SIZE_FACTOR;
 
-       ag_ring_start = rx_ring_start + rx_ring_len;
-       total_alloc_len = ag_ring_start + rx_ring_len * AGG_RING_SIZE_FACTOR;
+       int ag_bitmap_start = ag_ring_start + ag_ring_len;
+       int ag_bitmap_len =  rx_ring_info ?
+               RTE_CACHE_LINE_ROUNDUP(rte_bitmap_get_memory_footprint(
+                       rx_ring_info->rx_ring_struct->ring_size *
+                       AGG_RING_SIZE_FACTOR)) : 0;
+
+       int tpa_info_start = ag_bitmap_start + ag_bitmap_len;
+       int tpa_info_len = rx_ring_info ?
+               RTE_CACHE_LINE_ROUNDUP(BNXT_TPA_MAX *
+                                      sizeof(struct bnxt_tpa_info)) : 0;
+
+       int total_alloc_len = tpa_info_start;
+       if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
+               total_alloc_len += tpa_info_len;
 
        snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
                 "bnxt_%04x:%02x:%02x:%02x-%04x_%s", pdev->addr.domain,
@@ -230,6 +243,17 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx,
                        rx_ring_info->ag_buf_ring =
                            (struct bnxt_sw_rx_bd *)rx_ring->vmem;
                }
+
+               rx_ring_info->ag_bitmap =
+                   rte_bitmap_init(rx_ring_info->rx_ring_struct->ring_size *
+                                   AGG_RING_SIZE_FACTOR, (uint8_t *)mz->addr +
+                                   ag_bitmap_start, ag_bitmap_len);
+
+               /* TPA info */
+               if (bp->eth_dev->data->dev_conf.rxmode.enable_lro)
+                       rx_ring_info->tpa_info =
+                               ((struct bnxt_tpa_info *)((char *)mz->addr +
+                                                         tpa_info_start));
        }
 
        cp_ring->bd = ((char *)mz->addr + cp_ring_start);