X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_ethdev.c;h=e93a3762f0990772bbd9e0e01273c0a19c0250eb;hb=569a0e82a49e9293ce0583b2e1e0494c15df1875;hp=0e24bcb64f5d4e2c1c197d3e81f92465bb37636c;hpb=12853bb6f7fe746893ccc243fe2a06274cb8ed7e;p=dpdk.git

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 0e24bcb64f..e93a3762f0 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -26,6 +26,7 @@
 #include "bnxt_vnic.h"
 #include "hsi_struct_def_dpdk.h"
 #include "bnxt_nvm_defs.h"
+#include "bnxt_util.h"
 
 #define DRV_MODULE_NAME		"bnxt"
 static const char bnxt_version[] =
@@ -199,13 +200,14 @@ alloc_mem_err:
 
 static int bnxt_init_chip(struct bnxt *bp)
 {
-	unsigned int i;
+	struct bnxt_rx_queue *rxq;
 	struct rte_eth_link new;
 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(bp->eth_dev);
 	struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 	uint32_t intr_vector = 0;
 	uint32_t queue_id, base = BNXT_MISC_VEC_ID;
 	uint32_t vec = BNXT_MISC_VEC_ID;
+	unsigned int i, j;
 	int rc;
 
 	/* disable uio/vfio intr/eventfd mapping */
@@ -247,6 +249,7 @@ static int bnxt_init_chip(struct bnxt *bp)
 
 	/* VNIC configuration */
 	for (i = 0; i < bp->nr_vnics; i++) {
+		struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf;
 		struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
 
 		rc = bnxt_hwrm_vnic_alloc(bp, vnic);
@@ -256,12 +259,15 @@ static int bnxt_init_chip(struct bnxt *bp)
 			goto err_out;
 		}
 
-		rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic);
-		if (rc) {
-			PMD_DRV_LOG(ERR,
-				"HWRM vnic %d ctx alloc failure rc: %x\n",
-				i, rc);
-			goto err_out;
+		/* Alloc RSS context only if RSS mode is enabled */
+		if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS) {
+			rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic);
+			if (rc) {
+				PMD_DRV_LOG(ERR,
+					"HWRM vnic %d ctx alloc failure rc: %x\n",
+					i, rc);
+				goto err_out;
+			}
 		}
 
 		rc = bnxt_hwrm_vnic_cfg(bp, vnic);
@@ -279,6 +285,13 @@ static int bnxt_init_chip(struct bnxt *bp)
 			goto err_out;
 		}
 
+		for (j = 0; j < bp->rx_nr_rings; j++) {
+			rxq = bp->eth_dev->data->rx_queues[j];
+
+			if (rxq->rx_deferred_start)
+				rxq->vnic->fw_grp_ids[j] = INVALID_HW_RING_ID;
+		}
+
 		rc = bnxt_vnic_rss_configure(bp, vnic);
 		if (rc) {
 			PMD_DRV_LOG(ERR,
@@ -1573,6 +1586,7 @@ static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
 
 	for (i = 0; i < bp->nr_vnics; i++) {
 		struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
+		uint16_t size = 0;
 
 		vnic->mru = bp->eth_dev->data->mtu + ETHER_HDR_LEN +
 					ETHER_CRC_LEN + VLAN_TAG_SIZE * 2;
@@ -1580,9 +1594,14 @@ static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
 		if (rc)
 			break;
 
-		rc = bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
-		if (rc)
-			return rc;
+		size = rte_pktmbuf_data_room_size(bp->rx_queues[0]->mb_pool);
+		size -= RTE_PKTMBUF_HEADROOM;
+
+		if (size < new_mtu) {
+			rc = bnxt_hwrm_vnic_plcmode_cfg(bp, vnic);
+			if (rc)
+				return rc;
+		}
 	}
 
 	return rc;