[dpdk-dev] [PATCH 22.02 1/2] common/cnxk: support to set channel mask for SDP interfaces

[<psatheesh@marvell.com>]

From: Satheesh Paul <psatheesh@marvell.com>

ROC changes to support setting channel mask for SDP interfaces.

Signed-off-by: Satheesh Paul <psatheesh@marvell.com>
---
 drivers/common/cnxk/roc_npc.c      | 13 +++++++++++++
 drivers/common/cnxk/roc_npc.h      |  3 +++
 drivers/common/cnxk/roc_npc_mcam.c | 10 ++++++++++
 drivers/common/cnxk/roc_npc_priv.h |  3 +++
 4 files changed, 29 insertions(+)

diff --git a/drivers/common/cnxk/roc_npc.c b/drivers/common/cnxk/roc_npc.c
index 503c74748f..d18dfd4259 100644
--- a/drivers/common/cnxk/roc_npc.c
+++ b/drivers/common/cnxk/roc_npc.c
@@ -1152,6 +1152,19 @@ roc_npc_flow_create(struct roc_npc *roc_npc, const struct roc_npc_attr *attr,
 	int rc;
 
 	npc->channel = roc_npc->channel;
+	npc->is_sdp_link = roc_nix_is_sdp(roc_npc->roc_nix);
+	if (npc->is_sdp_link) {
+		if (roc_npc->is_sdp_mask_set) {
+			npc->sdp_channel = roc_npc->sdp_channel;
+			npc->sdp_channel_mask = roc_npc->sdp_channel_mask;
+		} else {
+			/* By default set the channel and mask to cover
+			 * the whole SDP channel range.
+			 */
+			npc->sdp_channel = (uint16_t)NIX_CHAN_SDP_CH_START;
+			npc->sdp_channel_mask = (uint16_t)NIX_CHAN_SDP_CH_START;
+		}
+	}
 
 	flow = plt_zmalloc(sizeof(*flow), 0);
 	if (flow == NULL) {
diff --git a/drivers/common/cnxk/roc_npc.h b/drivers/common/cnxk/roc_npc.h
index e13d557136..8c24126ae8 100644
--- a/drivers/common/cnxk/roc_npc.h
+++ b/drivers/common/cnxk/roc_npc.h
@@ -195,6 +195,9 @@ struct roc_npc {
 	uint64_t rx_parse_nibble;
 	/* Parsed RSS Flowkey cfg for current flow being created */
 	uint32_t flowkey_cfg_state;
+	bool is_sdp_mask_set;
+	uint16_t sdp_channel;
+	uint16_t sdp_channel_mask;
 
 #define ROC_NPC_MEM_SZ (5 * 1024)
 	uint8_t reserved[ROC_NPC_MEM_SZ];
diff --git a/drivers/common/cnxk/roc_npc_mcam.c b/drivers/common/cnxk/roc_npc_mcam.c
index ba7f89b45b..80851d6f9f 100644
--- a/drivers/common/cnxk/roc_npc_mcam.c
+++ b/drivers/common/cnxk/roc_npc_mcam.c
@@ -575,6 +575,16 @@ npc_mcam_alloc_and_write(struct npc *npc, struct roc_npc_flow *flow,
 			flow->npc_action |= (uint64_t)pf_func << 4;
 			flow->mcam_data[0] |= (uint64_t)inl_dev->channel;
 			flow->mcam_mask[0] |= (uint64_t)inl_dev->chan_mask;
+		} else if (npc->is_sdp_link) {
+			req->entry_data.kw[0] &= ~(GENMASK(11, 0));
+			req->entry_data.kw_mask[0] &= ~(GENMASK(11, 0));
+			req->entry_data.kw[0] |= (uint64_t)npc->sdp_channel;
+			req->entry_data.kw_mask[0] |=
+				(uint64_t)npc->sdp_channel_mask;
+			flow->mcam_data[0] &= ~(GENMASK(11, 0));
+			flow->mcam_mask[0] &= ~(GENMASK(11, 0));
+			flow->mcam_data[0] |= (uint64_t)npc->sdp_channel;
+			flow->mcam_mask[0] |= (uint64_t)npc->sdp_channel_mask;
 		} else {
 			req->entry_data.kw[0] |= (uint64_t)npc->channel;
 			req->entry_data.kw_mask[0] |= (BIT_ULL(12) - 1);
diff --git a/drivers/common/cnxk/roc_npc_priv.h b/drivers/common/cnxk/roc_npc_priv.h
index 712302bc5c..86c10ea082 100644
--- a/drivers/common/cnxk/roc_npc_priv.h
+++ b/drivers/common/cnxk/roc_npc_priv.h
@@ -360,6 +360,9 @@ struct npc {
 	uint32_t keyw[NPC_MAX_INTF];		/* max key + data len bits */
 	uint32_t mcam_entries;			/* mcam entries supported */
 	uint16_t channel;			/* RX Channel number */
+	bool is_sdp_link;
+	uint16_t sdp_channel;
+	uint16_t sdp_channel_mask;
 	uint32_t rss_grps;			/* rss groups supported */
 	uint16_t flow_prealloc_size;		/* Pre allocated mcam size */
 	uint16_t flow_max_priority;		/* Max priority for flow */
-- 
2.25.4