[dpdk-dev] [PATCH 6/7] net/sfc: factor out RSS fields from adapter info

Andrew Rybchenko arybchenko at solarflare.com
Fri Apr 6 19:21:19 CEST 2018


From: Ivan Malov <ivan.malov at oktetlabs.ru>

RSS handling will need more sophisticated fields
in the adapter context storage in future patches.
This patch groups existing fields in a dedicated
structure and updates the rest of the code.

Signed-off-by: Ivan Malov <ivan.malov at oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
---
 drivers/net/sfc/sfc.c        |  9 ++++----
 drivers/net/sfc/sfc.h        | 17 ++++++++-------
 drivers/net/sfc/sfc_ethdev.c | 49 ++++++++++++++++++++++++-------------------
 drivers/net/sfc/sfc_flow.c   | 50 +++++++++++++++++++++++++-------------------
 drivers/net/sfc/sfc_rx.c     | 47 +++++++++++++++++++++++------------------
 5 files changed, 97 insertions(+), 75 deletions(-)

diff --git a/drivers/net/sfc/sfc.c b/drivers/net/sfc/sfc.c
index a43b0b4..360df33 100644
--- a/drivers/net/sfc/sfc.c
+++ b/drivers/net/sfc/sfc.c
@@ -580,6 +580,7 @@ static const uint8_t default_rss_key[EFX_RSS_KEY_SIZE] = {
 static int
 sfc_set_rss_defaults(struct sfc_adapter *sa)
 {
+	struct sfc_rss *rss = &sa->rss;
 	int rc;
 
 	rc = efx_intr_init(sa->nic, sa->intr.type, NULL);
@@ -594,11 +595,11 @@ sfc_set_rss_defaults(struct sfc_adapter *sa)
 	if (rc != 0)
 		goto fail_rx_init;
 
-	rc = efx_rx_scale_default_support_get(sa->nic, &sa->rss_support);
+	rc = efx_rx_scale_default_support_get(sa->nic, &rss->context_type);
 	if (rc != 0)
 		goto fail_scale_support_get;
 
-	rc = efx_rx_hash_default_support_get(sa->nic, &sa->hash_support);
+	rc = efx_rx_hash_default_support_get(sa->nic, &rss->hash_support);
 	if (rc != 0)
 		goto fail_hash_support_get;
 
@@ -606,9 +607,9 @@ sfc_set_rss_defaults(struct sfc_adapter *sa)
 	efx_ev_fini(sa->nic);
 	efx_intr_fini(sa->nic);
 
-	sa->rss_hash_types = sfc_rte_to_efx_hash_type(SFC_RSS_OFFLOADS);
+	rss->hash_types = sfc_rte_to_efx_hash_type(SFC_RSS_OFFLOADS);
 
-	rte_memcpy(sa->rss_key, default_rss_key, sizeof(sa->rss_key));
+	rte_memcpy(rss->key, default_rss_key, sizeof(rss->key));
 
 	return 0;
 
diff --git a/drivers/net/sfc/sfc.h b/drivers/net/sfc/sfc.h
index 805f211..9c76d7f 100644
--- a/drivers/net/sfc/sfc.h
+++ b/drivers/net/sfc/sfc.h
@@ -154,6 +154,15 @@ struct sfc_port {
 	uint32_t		mac_stats_mask[EFX_MAC_STATS_MASK_NPAGES];
 };
 
+struct sfc_rss {
+	unsigned int			channels;
+	efx_rx_scale_context_type_t	context_type;
+	efx_rx_hash_support_t		hash_support;
+	efx_rx_hash_type_t		hash_types;
+	unsigned int			tbl[EFX_RSS_TBL_SIZE];
+	uint8_t				key[EFX_RSS_KEY_SIZE];
+};
+
 /* Adapter private data */
 struct sfc_adapter {
 	/*
@@ -223,13 +232,7 @@ struct sfc_adapter {
 
 	boolean_t			tso;
 
-	unsigned int			rss_channels;
-
-	efx_rx_scale_context_type_t	rss_support;
-	efx_rx_hash_support_t		hash_support;
-	efx_rx_hash_type_t		rss_hash_types;
-	unsigned int			rss_tbl[EFX_RSS_TBL_SIZE];
-	uint8_t				rss_key[EFX_RSS_KEY_SIZE];
+	struct sfc_rss			rss;
 
 	/*
 	 * Shared memory copy of the Rx datapath name to be used by
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index 4f26f60..4cefb73 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -85,6 +85,7 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 {
 	struct sfc_adapter *sa = dev->data->dev_private;
 	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+	struct sfc_rss *rss = &sa->rss;
 	uint64_t txq_offloads_def = 0;
 
 	sfc_log_init(sa, "entry");
@@ -152,7 +153,7 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
 	if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
 		dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
 
-	if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
+	if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) {
 		dev_info->reta_size = EFX_RSS_TBL_SIZE;
 		dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
 		dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
@@ -1350,12 +1351,13 @@ sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 			  struct rte_eth_rss_conf *rss_conf)
 {
 	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_rss *rss = &sa->rss;
 	struct sfc_port *port = &sa->port;
 
-	if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
+	if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || port->isolated)
 		return -ENOTSUP;
 
-	if (sa->rss_channels == 0)
+	if (rss->channels == 0)
 		return -EINVAL;
 
 	sfc_adapter_lock(sa);
@@ -1366,10 +1368,10 @@ sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 	 * flags which corresponds to the active EFX configuration stored
 	 * locally in 'sfc_adapter' and kept up-to-date
 	 */
-	rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
+	rss_conf->rss_hf = sfc_efx_to_rte_hash_type(rss->hash_types);
 	rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
 	if (rss_conf->rss_key != NULL)
-		rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
+		rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
 
 	sfc_adapter_unlock(sa);
 
@@ -1381,6 +1383,7 @@ sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
 			struct rte_eth_rss_conf *rss_conf)
 {
 	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_rss *rss = &sa->rss;
 	struct sfc_port *port = &sa->port;
 	unsigned int efx_hash_types;
 	int rc = 0;
@@ -1388,20 +1391,20 @@ sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
 	if (port->isolated)
 		return -ENOTSUP;
 
-	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+	if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
 		sfc_err(sa, "RSS is not available");
 		return -ENOTSUP;
 	}
 
-	if (sa->rss_channels == 0) {
+	if (rss->channels == 0) {
 		sfc_err(sa, "RSS is not configured");
 		return -EINVAL;
 	}
 
 	if ((rss_conf->rss_key != NULL) &&
-	    (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
+	    (rss_conf->rss_key_len != sizeof(rss->key))) {
 		sfc_err(sa, "RSS key size is wrong (should be %lu)",
-			sizeof(sa->rss_key));
+			sizeof(rss->key));
 		return -EINVAL;
 	}
 
@@ -1425,15 +1428,15 @@ sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
 			rc = efx_rx_scale_key_set(sa->nic,
 						  EFX_RSS_CONTEXT_DEFAULT,
 						  rss_conf->rss_key,
-						  sizeof(sa->rss_key));
+						  sizeof(rss->key));
 			if (rc != 0)
 				goto fail_scale_key_set;
 		}
 
-		rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
+		rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
 	}
 
-	sa->rss_hash_types = efx_hash_types;
+	rss->hash_types = efx_hash_types;
 
 	sfc_adapter_unlock(sa);
 
@@ -1442,7 +1445,7 @@ sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
 fail_scale_key_set:
 	if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
 				  EFX_RX_HASHALG_TOEPLITZ,
-				  sa->rss_hash_types, B_TRUE) != 0)
+				  rss->hash_types, B_TRUE) != 0)
 		sfc_err(sa, "failed to restore RSS mode");
 
 fail_scale_mode_set:
@@ -1456,13 +1459,14 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
 		       uint16_t reta_size)
 {
 	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_rss *rss = &sa->rss;
 	struct sfc_port *port = &sa->port;
 	int entry;
 
-	if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
+	if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || port->isolated)
 		return -ENOTSUP;
 
-	if (sa->rss_channels == 0)
+	if (rss->channels == 0)
 		return -EINVAL;
 
 	if (reta_size != EFX_RSS_TBL_SIZE)
@@ -1475,7 +1479,7 @@ sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
 		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
 
 		if ((reta_conf[grp].mask >> grp_idx) & 1)
-			reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
+			reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
 	}
 
 	sfc_adapter_unlock(sa);
@@ -1489,6 +1493,7 @@ sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
 			uint16_t reta_size)
 {
 	struct sfc_adapter *sa = dev->data->dev_private;
+	struct sfc_rss *rss = &sa->rss;
 	struct sfc_port *port = &sa->port;
 	unsigned int *rss_tbl_new;
 	uint16_t entry;
@@ -1498,12 +1503,12 @@ sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
 	if (port->isolated)
 		return -ENOTSUP;
 
-	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+	if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
 		sfc_err(sa, "RSS is not available");
 		return -ENOTSUP;
 	}
 
-	if (sa->rss_channels == 0) {
+	if (rss->channels == 0) {
 		sfc_err(sa, "RSS is not configured");
 		return -EINVAL;
 	}
@@ -1514,13 +1519,13 @@ sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
 		return -EINVAL;
 	}
 
-	rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
+	rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0);
 	if (rss_tbl_new == NULL)
 		return -ENOMEM;
 
 	sfc_adapter_lock(sa);
 
-	rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
+	rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl));
 
 	for (entry = 0; entry < reta_size; entry++) {
 		int grp_idx = entry % RTE_RETA_GROUP_SIZE;
@@ -1529,7 +1534,7 @@ sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
 		grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
 
 		if (grp->mask & (1ull << grp_idx)) {
-			if (grp->reta[grp_idx] >= sa->rss_channels) {
+			if (grp->reta[grp_idx] >= rss->channels) {
 				rc = EINVAL;
 				goto bad_reta_entry;
 			}
@@ -1544,7 +1549,7 @@ sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
 			goto fail_scale_tbl_set;
 	}
 
-	rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
+	rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
 
 fail_scale_tbl_set:
 bad_reta_entry:
diff --git a/drivers/net/sfc/sfc_flow.c b/drivers/net/sfc/sfc_flow.c
index 6f92086..f89f1de 100644
--- a/drivers/net/sfc/sfc_flow.c
+++ b/drivers/net/sfc/sfc_flow.c
@@ -1260,18 +1260,20 @@ sfc_flow_parse_queue(struct sfc_adapter *sa,
 
 static int
 sfc_flow_parse_rss(struct sfc_adapter *sa,
-		   const struct rte_flow_action_rss *rss,
+		   const struct rte_flow_action_rss *action_rss,
 		   struct rte_flow *flow)
 {
+	struct sfc_rss *rss = &sa->rss;
 	unsigned int rxq_sw_index;
 	struct sfc_rxq *rxq;
 	unsigned int rxq_hw_index_min;
 	unsigned int rxq_hw_index_max;
+	uint64_t rss_hf;
 	const uint8_t *rss_key;
 	struct sfc_flow_rss *sfc_rss_conf = &flow->rss_conf;
 	unsigned int i;
 
-	if (rss->queue_num == 0)
+	if (action_rss->queue_num == 0)
 		return -EINVAL;
 
 	rxq_sw_index = sa->rxq_count - 1;
@@ -1279,8 +1281,8 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
 	rxq_hw_index_min = rxq->hw_index;
 	rxq_hw_index_max = 0;
 
-	for (i = 0; i < rss->queue_num; ++i) {
-		rxq_sw_index = rss->queue[i];
+	for (i = 0; i < action_rss->queue_num; ++i) {
+		rxq_sw_index = action_rss->queue[i];
 
 		if (rxq_sw_index >= sa->rxq_count)
 			return -EINVAL;
@@ -1294,33 +1296,35 @@ sfc_flow_parse_rss(struct sfc_adapter *sa,
 			rxq_hw_index_max = rxq->hw_index;
 	}
 
-	if (rss->func)
+	if (action_rss->func)
 		return -EINVAL;
 
-	if (rss->level)
+	if (action_rss->level)
 		return -EINVAL;
 
-	if ((rss->types & ~SFC_RSS_OFFLOADS) != 0)
+	rss_hf = rss_action->types
+	if ((rss_hf & ~SFC_RSS_OFFLOADS) != 0)
 		return -EINVAL;
 
-	if (rss->key_len) {
-		if (rss->key_len != sizeof(sa->rss_key))
+	if (action_rss->key_len) {
+		if (action_rss->key_len != sizeof(rss->key))
 			return -EINVAL;
 
-		rss_key = rss->key;
+		rss_key = action_rss->key;
 	} else {
-		rss_key = sa->rss_key;
+		rss_key = rss->key;
 	}
 
 	flow->rss = B_TRUE;
 
 	sfc_rss_conf->rxq_hw_index_min = rxq_hw_index_min;
 	sfc_rss_conf->rxq_hw_index_max = rxq_hw_index_max;
-	sfc_rss_conf->rss_hash_types = sfc_rte_to_efx_hash_type(rss->types);
-	rte_memcpy(sfc_rss_conf->rss_key, rss_key, sizeof(sa->rss_key));
+	sfc_rss_conf->rss_hash_types = sfc_rte_to_efx_hash_type(rss_hf);
+	rte_memcpy(sfc_rss_conf->rss_key, rss_key, sizeof(rss->key));
 
 	for (i = 0; i < RTE_DIM(sfc_rss_conf->rss_tbl); ++i) {
-		unsigned int rxq_sw_index = rss->queue[i % rss->queue_num];
+		unsigned int nb_queues = action_rss->queue_num;
+		unsigned int rxq_sw_index = action_rss->queue[i % nb_queues];
 		struct sfc_rxq *rxq = sa->rxq_info[rxq_sw_index].rxq;
 
 		sfc_rss_conf->rss_tbl[i] = rxq->hw_index - rxq_hw_index_min;
@@ -1377,14 +1381,15 @@ static int
 sfc_flow_filter_insert(struct sfc_adapter *sa,
 		       struct rte_flow *flow)
 {
-	struct sfc_flow_rss *rss = &flow->rss_conf;
+	struct sfc_rss *rss = &sa->rss;
+	struct sfc_flow_rss *flow_rss = &flow->rss_conf;
 	uint32_t efs_rss_context = EFX_RSS_CONTEXT_DEFAULT;
 	unsigned int i;
 	int rc = 0;
 
 	if (flow->rss) {
-		unsigned int rss_spread = MIN(rss->rxq_hw_index_max -
-					      rss->rxq_hw_index_min + 1,
+		unsigned int rss_spread = MIN(flow_rss->rxq_hw_index_max -
+					      flow_rss->rxq_hw_index_min + 1,
 					      EFX_MAXRSS);
 
 		rc = efx_rx_scale_context_alloc(sa->nic,
@@ -1396,13 +1401,13 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
 
 		rc = efx_rx_scale_mode_set(sa->nic, efs_rss_context,
 					   EFX_RX_HASHALG_TOEPLITZ,
-					   rss->rss_hash_types, B_TRUE);
+					   flow_rss->rss_hash_types, B_TRUE);
 		if (rc != 0)
 			goto fail_scale_mode_set;
 
 		rc = efx_rx_scale_key_set(sa->nic, efs_rss_context,
-					  rss->rss_key,
-					  sizeof(sa->rss_key));
+					  flow_rss->rss_key,
+					  sizeof(rss->key));
 		if (rc != 0)
 			goto fail_scale_key_set;
 
@@ -1416,7 +1421,7 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
 			efx_filter_spec_t *spec = &flow->spec.filters[i];
 
 			spec->efs_rss_context = efs_rss_context;
-			spec->efs_dmaq_id = rss->rxq_hw_index_min;
+			spec->efs_dmaq_id = flow_rss->rxq_hw_index_min;
 			spec->efs_flags |= EFX_FILTER_FLAG_RX_RSS;
 		}
 	}
@@ -1435,7 +1440,8 @@ sfc_flow_filter_insert(struct sfc_adapter *sa,
 		 * the table entries, and the operation will succeed
 		 */
 		rc = efx_rx_scale_tbl_set(sa->nic, efs_rss_context,
-					  rss->rss_tbl, RTE_DIM(rss->rss_tbl));
+					  flow_rss->rss_tbl,
+					  RTE_DIM(flow_rss->rss_tbl));
 		if (rc != 0)
 			goto fail_scale_tbl_set;
 	}
diff --git a/drivers/net/sfc/sfc_rx.c b/drivers/net/sfc/sfc_rx.c
index c30f230..816436a 100644
--- a/drivers/net/sfc/sfc_rx.c
+++ b/drivers/net/sfc/sfc_rx.c
@@ -608,7 +608,8 @@ sfc_rx_qflush(struct sfc_adapter *sa, unsigned int sw_index)
 static int
 sfc_rx_default_rxq_set_filter(struct sfc_adapter *sa, struct sfc_rxq *rxq)
 {
-	boolean_t rss = (sa->rss_channels > 0) ? B_TRUE : B_FALSE;
+	struct sfc_rss *rss = &sa->rss;
+	boolean_t need_rss = (rss->channels > 0) ? B_TRUE : B_FALSE;
 	struct sfc_port *port = &sa->port;
 	int rc;
 
@@ -620,7 +621,7 @@ sfc_rx_default_rxq_set_filter(struct sfc_adapter *sa, struct sfc_rxq *rxq)
 	 * repeat this step without promiscuous and all-multicast flags set
 	 */
 retry:
-	rc = efx_mac_filter_default_rxq_set(sa->nic, rxq->common, rss);
+	rc = efx_mac_filter_default_rxq_set(sa->nic, rxq->common, need_rss);
 	if (rc == 0)
 		return 0;
 	else if (rc != EOPNOTSUPP)
@@ -970,6 +971,7 @@ sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
 	     struct rte_mempool *mb_pool)
 {
 	const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+	struct sfc_rss *rss = &sa->rss;
 	int rc;
 	unsigned int rxq_entries;
 	unsigned int evq_entries;
@@ -1059,7 +1061,7 @@ sfc_rx_qinit(struct sfc_adapter *sa, unsigned int sw_index,
 	info.batch_max = encp->enc_rx_batch_max;
 	info.prefix_size = encp->enc_rx_prefix_size;
 
-	if (sa->hash_support == EFX_RX_HASH_AVAILABLE && sa->rss_channels > 0)
+	if (rss->hash_support == EFX_RX_HASH_AVAILABLE && rss->channels > 0)
 		info.flags |= SFC_RXQ_FLAG_RSS_HASH;
 
 	info.rxq_entries = rxq_info->entries;
@@ -1178,9 +1180,10 @@ static int
 sfc_rx_process_adv_conf_rss(struct sfc_adapter *sa,
 			    struct rte_eth_rss_conf *conf)
 {
-	efx_rx_hash_type_t efx_hash_types = sa->rss_hash_types;
+	struct sfc_rss *rss = &sa->rss;
+	efx_rx_hash_type_t efx_hash_types = rss->hash_types;
 
-	if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+	if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
 		if ((conf->rss_hf != 0 && conf->rss_hf != SFC_RSS_OFFLOADS) ||
 		    conf->rss_key != NULL)
 			return EINVAL;
@@ -1196,15 +1199,15 @@ sfc_rx_process_adv_conf_rss(struct sfc_adapter *sa,
 	}
 
 	if (conf->rss_key != NULL) {
-		if (conf->rss_key_len != sizeof(sa->rss_key)) {
+		if (conf->rss_key_len != sizeof(rss->key)) {
 			sfc_err(sa, "RSS key size is wrong (should be %lu)",
-				sizeof(sa->rss_key));
+				sizeof(rss->key));
 			return EINVAL;
 		}
-		rte_memcpy(sa->rss_key, conf->rss_key, sizeof(sa->rss_key));
+		rte_memcpy(rss->key, conf->rss_key, sizeof(rss->key));
 	}
 
-	sa->rss_hash_types = efx_hash_types;
+	rss->hash_types = efx_hash_types;
 
 	return 0;
 }
@@ -1212,23 +1215,23 @@ sfc_rx_process_adv_conf_rss(struct sfc_adapter *sa,
 static int
 sfc_rx_rss_config(struct sfc_adapter *sa)
 {
+	struct sfc_rss *rss = &sa->rss;
 	int rc = 0;
 
-	if (sa->rss_channels > 0) {
+	if (rss->channels > 0) {
 		rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
 					   EFX_RX_HASHALG_TOEPLITZ,
-					   sa->rss_hash_types, B_TRUE);
+					   rss->hash_types, B_TRUE);
 		if (rc != 0)
 			goto finish;
 
 		rc = efx_rx_scale_key_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
-					  sa->rss_key,
-					  sizeof(sa->rss_key));
+					  rss->key, sizeof(rss->key));
 		if (rc != 0)
 			goto finish;
 
 		rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
-					  sa->rss_tbl, RTE_DIM(sa->rss_tbl));
+					  rss->tbl, RTE_DIM(rss->tbl));
 	}
 
 finish:
@@ -1307,6 +1310,7 @@ 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)
 {
+	struct sfc_rss *rss = &sa->rss;
 	uint64_t offloads_supported = sfc_rx_get_dev_offload_caps(sa) |
 				      sfc_rx_get_queue_offload_caps(sa);
 	uint64_t offloads_rejected = rxmode->offloads & ~offloads_supported;
@@ -1317,7 +1321,7 @@ sfc_rx_check_mode(struct sfc_adapter *sa, struct rte_eth_rxmode *rxmode)
 		/* No special checks are required */
 		break;
 	case ETH_MQ_RX_RSS:
-		if (sa->rss_support == EFX_RX_SCALE_UNAVAILABLE) {
+		if (rss->context_type == EFX_RX_SCALE_UNAVAILABLE) {
 			sfc_err(sa, "RSS is not available");
 			rc = EINVAL;
 		}
@@ -1374,6 +1378,7 @@ sfc_rx_fini_queues(struct sfc_adapter *sa, unsigned int nb_rx_queues)
 int
 sfc_rx_configure(struct sfc_adapter *sa)
 {
+	struct sfc_rss *rss = &sa->rss;
 	struct rte_eth_conf *dev_conf = &sa->eth_dev->data->dev_conf;
 	const unsigned int nb_rx_queues = sa->eth_dev->data->nb_rx_queues;
 	int rc;
@@ -1423,15 +1428,15 @@ sfc_rx_configure(struct sfc_adapter *sa)
 		sa->rxq_count++;
 	}
 
-	sa->rss_channels = (dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ?
-			   MIN(sa->rxq_count, EFX_MAXRSS) : 0;
+	rss->channels = (dev_conf->rxmode.mq_mode == ETH_MQ_RX_RSS) ?
+			 MIN(sa->rxq_count, EFX_MAXRSS) : 0;
 
-	if (sa->rss_channels > 0) {
+	if (rss->channels > 0) {
 		struct rte_eth_rss_conf *adv_conf_rss;
 		unsigned int sw_index;
 
 		for (sw_index = 0; sw_index < EFX_RSS_TBL_SIZE; ++sw_index)
-			sa->rss_tbl[sw_index] = sw_index % sa->rss_channels;
+			rss->tbl[sw_index] = sw_index % rss->channels;
 
 		adv_conf_rss = &dev_conf->rx_adv_conf.rss_conf;
 		rc = sfc_rx_process_adv_conf_rss(sa, adv_conf_rss);
@@ -1461,9 +1466,11 @@ sfc_rx_configure(struct sfc_adapter *sa)
 void
 sfc_rx_close(struct sfc_adapter *sa)
 {
+	struct sfc_rss *rss = &sa->rss;
+
 	sfc_rx_fini_queues(sa, 0);
 
-	sa->rss_channels = 0;
+	rss->channels = 0;
 
 	rte_free(sa->rxq_info);
 	sa->rxq_info = NULL;
-- 
2.7.4



More information about the dev mailing list