X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fnet%2Fsfc%2Fsfc_rx.c;h=2c73260a782d5b436a69d532e8be35c2ddcf524d;hb=efb15738c7003cf0381888396a94af495cb7f1b0;hp=98858d9d916a24e1d2a5ee057efc3e98688d167e;hpb=70815c9ecadd780af101810119d385009cb0eb2d;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index 98858d9d91..2c73260a78 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -517,7 +517,8 @@ struct sfc_dp_rx sfc_efx_rx = {
 		.type		= SFC_DP_RX,
 		.hw_fw_caps	= 0,
 	},
-	.features		= SFC_DP_RX_FEAT_SCATTER,
+	.features		= SFC_DP_RX_FEAT_SCATTER |
+				  SFC_DP_RX_FEAT_CHECKSUM,
 	.qsize_up_rings		= sfc_efx_rx_qsize_up_rings,
 	.qcreate		= sfc_efx_rx_qcreate,
 	.qdestroy		= sfc_efx_rx_qdestroy,
@@ -672,6 +673,7 @@ sfc_rx_qstart(struct sfc_adapter *sa, unsigned int sw_index)
 
 	rxq_info = &sa->rxq_info[sw_index];
 	rxq = rxq_info->rxq;
+	SFC_ASSERT(rxq != NULL);
 	SFC_ASSERT(rxq->state == SFC_RXQ_INITIALIZED);
 
 	evq = rxq->evq;
@@ -762,7 +764,7 @@ sfc_rx_qstop(struct sfc_adapter *sa, unsigned int sw_index)
 	rxq_info = &sa->rxq_info[sw_index];
 	rxq = rxq_info->rxq;
 
-	if (rxq->state == SFC_RXQ_INITIALIZED)
+	if (rxq == NULL || rxq->state == SFC_RXQ_INITIALIZED)
 		return;
 	SFC_ASSERT(rxq->state & SFC_RXQ_STARTED);
 
@@ -791,10 +793,12 @@ sfc_rx_get_dev_offload_caps(struct sfc_adapter *sa)
 	uint64_t caps = 0;
 
 	caps |= DEV_RX_OFFLOAD_JUMBO_FRAME;
-	caps |= DEV_RX_OFFLOAD_CRC_STRIP;
-	caps |= DEV_RX_OFFLOAD_IPV4_CKSUM;
-	caps |= DEV_RX_OFFLOAD_UDP_CKSUM;
-	caps |= DEV_RX_OFFLOAD_TCP_CKSUM;
+
+	if (sa->dp_rx->features & SFC_DP_RX_FEAT_CHECKSUM) {
+		caps |= DEV_RX_OFFLOAD_IPV4_CKSUM;
+		caps |= DEV_RX_OFFLOAD_UDP_CKSUM;
+		caps |= DEV_RX_OFFLOAD_TCP_CKSUM;
+	}
 
 	if (encp->enc_tunnel_encapsulations_supported &&
 	    (sa->dp_rx->features & SFC_DP_RX_FEAT_TUNNELS))
@@ -817,10 +821,8 @@ sfc_rx_get_queue_offload_caps(struct sfc_adapter *sa)
 static int
 sfc_rx_qcheck_conf(struct sfc_adapter *sa, unsigned int rxq_max_fill_level,
 		   const struct rte_eth_rxconf *rx_conf,
-		   uint64_t offloads)
+		   __rte_unused uint64_t offloads)
 {
-	uint64_t offloads_supported = sfc_rx_get_dev_offload_caps(sa) |
-				      sfc_rx_get_queue_offload_caps(sa);
 	int rc = 0;
 
 	if (rx_conf->rx_thresh.pthresh != 0 ||
@@ -842,14 +844,6 @@ sfc_rx_qcheck_conf(struct sfc_adapter *sa, unsigned int rxq_max_fill_level,
 		rc = EINVAL;
 	}
 
-	if ((offloads & DEV_RX_OFFLOAD_CHECKSUM) !=
-	    DEV_RX_OFFLOAD_CHECKSUM)
-		sfc_warn(sa, "Rx checksum offloads cannot be disabled - always on (IPv4/TCP/UDP)");
-
-	if ((offloads_supported & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM) &&
-	    (~offloads & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
-		sfc_warn(sa, "Rx outer IPv4 checksum offload cannot be disabled - always on");
-
 	return rc;
 }
 
@@ -1369,7 +1363,8 @@ sfc_rx_start(struct sfc_adapter *sa)
 		goto fail_rss_config;
 
 	for (sw_index = 0; sw_index < sa->rxq_count; ++sw_index) {
-		if ((!sa->rxq_info[sw_index].deferred_start ||
+		if (sa->rxq_info[sw_index].rxq != NULL &&
+		    (!sa->rxq_info[sw_index].deferred_start ||
 		     sa->rxq_info[sw_index].deferred_started)) {
 			rc = sfc_rx_qstart(sa, sw_index);
 			if (rc != 0)
@@ -1424,6 +1419,8 @@ sfc_rx_qinit_info(struct sfc_adapter *sa, unsigned int sw_index)
 static int
 sfc_rx_check_mode(struct sfc_adapter *sa, struct rte_eth_rxmode *rxmode)
 {
+	uint64_t offloads_supported = sfc_rx_get_dev_offload_caps(sa) |
+				      sfc_rx_get_queue_offload_caps(sa);
 	struct sfc_rss *rss = &sa->rss;
 	int rc = 0;
 
@@ -1443,13 +1440,21 @@ sfc_rx_check_mode(struct sfc_adapter *sa, struct rte_eth_rxmode *rxmode)
 		rc = EINVAL;
 	}
 
-	/* KEEP_CRC offload flag is not supported by PMD
-	 * can remove the below block when DEV_RX_OFFLOAD_CRC_STRIP removed
+	/*
+	 * Requested offloads are validated against supported by ethdev,
+	 * so unsupported offloads cannot be added as the result of
+	 * below check.
 	 */
-	if (rte_eth_dev_must_keep_crc(rxmode->offloads)) {
-		sfc_warn(sa, "FCS stripping cannot be disabled - always on");
-		rxmode->offloads |= DEV_RX_OFFLOAD_CRC_STRIP;
-		rxmode->hw_strip_crc = 1;
+	if ((rxmode->offloads & DEV_RX_OFFLOAD_CHECKSUM) !=
+	    (offloads_supported & DEV_RX_OFFLOAD_CHECKSUM)) {
+		sfc_warn(sa, "Rx checksum offloads cannot be disabled - always on (IPv4/TCP/UDP)");
+		rxmode->offloads |= DEV_RX_OFFLOAD_CHECKSUM;
+	}
+
+	if ((offloads_supported & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM) &&
+	    (~rxmode->offloads & DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM)) {
+		sfc_warn(sa, "Rx outer IPv4 checksum offload cannot be disabled - always on");
+		rxmode->offloads |= DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
 	}
 
 	return rc;