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From:   Ratheesh Kannoth <rkannoth@marvell.com>
To:     <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
CC:     <sgoutham@marvell.com>, <davem@davemloft.net>,
        <edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
        Ratheesh Kannoth <rkannoth@marvell.com>
Subject: [PATCH 10/12] octeontx2-af: Invoke exact match functions if supported
Date:   Tue, 5 Jul 2022 16:19:21 +0530
Message-ID: <20220705104923.2113935-11-rkannoth@marvell.com>
In-Reply-To: <20220705104923.2113935-1-rkannoth@marvell.com>
References: <20220705104923.2113935-1-rkannoth@marvell.com>
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If exact match table is suppoted, call functions to add/del/update
entries in exact match table instead of RPM dmac filters

Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Change-Id: I3c80668740b339e6b8eba5b84c2181dd4c9fc835
---
 .../ethernet/marvell/octeontx2/af/rvu_cgx.c   | 36 +++++++++++++++++++
 .../ethernet/marvell/octeontx2/af/rvu_nix.c   |  7 ++++
 2 files changed, 43 insertions(+)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 0d86f3e68fa0..967901eb2dbb 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -475,6 +475,11 @@ void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc)
 	if (!is_cgx_config_permitted(rvu, pcifunc))
 		return;
 
+	if (rvu_npc_exact_has_match_table(rvu)) {
+		rvu_npc_exact_reset(rvu, pcifunc);
+		return;
+	}
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 	cgx_dev = cgx_get_pdata(cgx_id);
 	lmac_count = cgx_get_lmac_cnt(cgx_dev);
@@ -575,6 +580,8 @@ int rvu_mbox_handler_cgx_fec_stats(struct rvu *rvu,
 	return cgx_get_fec_stats(cgxd, lmac, rsp);
 }
 
+/* TODO: how to fix del/add of entry in exact match table ?
+ */
 int rvu_mbox_handler_cgx_mac_addr_set(struct rvu *rvu,
 				      struct cgx_mac_addr_set_or_get *req,
 				      struct cgx_mac_addr_set_or_get *rsp)
@@ -585,6 +592,9 @@ int rvu_mbox_handler_cgx_mac_addr_set(struct rvu *rvu,
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
 		return -EPERM;
 
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_mac_addr_set(rvu, req, rsp);
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
 	cgx_lmac_addr_set(cgx_id, lmac_id, req->mac_addr);
@@ -603,6 +613,9 @@ int rvu_mbox_handler_cgx_mac_addr_add(struct rvu *rvu,
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
 		return -EPERM;
 
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_mac_addr_add(rvu, req, rsp);
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 	rc = cgx_lmac_addr_add(cgx_id, lmac_id, req->mac_addr);
 	if (rc >= 0) {
@@ -623,6 +636,9 @@ int rvu_mbox_handler_cgx_mac_addr_del(struct rvu *rvu,
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
 		return -EPERM;
 
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_mac_addr_del(rvu, req, rsp);
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 	return cgx_lmac_addr_del(cgx_id, lmac_id, req->index);
 }
@@ -644,6 +660,11 @@ int rvu_mbox_handler_cgx_mac_max_entries_get(struct rvu *rvu,
 		return 0;
 	}
 
+	if (rvu_npc_exact_has_match_table(rvu)) {
+		rsp->max_dmac_filters = rvu_npc_exact_get_max_entries(rvu);
+		return 0;
+	}
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 	rsp->max_dmac_filters = cgx_lmac_addr_max_entries_get(cgx_id, lmac_id);
 	return 0;
@@ -681,6 +702,10 @@ int rvu_mbox_handler_cgx_promisc_enable(struct rvu *rvu, struct msg_req *req,
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
 		return -EPERM;
 
+	/* Disable drop on non hit rule */
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_promisc_enable(rvu, req->hdr.pcifunc);
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
 	cgx_lmac_promisc_config(cgx_id, lmac_id, true);
@@ -696,6 +721,10 @@ int rvu_mbox_handler_cgx_promisc_disable(struct rvu *rvu, struct msg_req *req,
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
 		return -EPERM;
 
+	/* Disable drop on non hit rule */
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_promisc_disable(rvu, req->hdr.pcifunc);
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
 	cgx_lmac_promisc_config(cgx_id, lmac_id, false);
@@ -1099,6 +1128,10 @@ int rvu_mbox_handler_cgx_mac_addr_reset(struct rvu *rvu, struct cgx_mac_addr_res
 		return LMAC_AF_ERR_PERM_DENIED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
+
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_mac_addr_reset(rvu, req, rsp);
+
 	return cgx_lmac_addr_reset(cgx_id, lmac_id);
 }
 
@@ -1112,6 +1145,9 @@ int rvu_mbox_handler_cgx_mac_addr_update(struct rvu *rvu,
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
 		return LMAC_AF_ERR_PERM_DENIED;
 
+	if (rvu_npc_exact_has_match_table(rvu))
+		return rvu_npc_exact_mac_addr_update(rvu, req, rsp);
+
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 	return cgx_lmac_addr_update(cgx_id, lmac_id, req->mac_addr, req->index);
 }
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 0fa625e2528e..1d3323da6930 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -14,6 +14,7 @@
 #include "npc.h"
 #include "cgx.h"
 #include "lmac_common.h"
+#include "rvu_npc_hash.h"
 
 static void nix_free_tx_vtag_entries(struct rvu *rvu, u16 pcifunc);
 static int rvu_nix_get_bpid(struct rvu *rvu, struct nix_bp_cfg_req *req,
@@ -3792,9 +3793,15 @@ int rvu_mbox_handler_nix_set_rx_mode(struct rvu *rvu, struct nix_rx_mode *req,
 		rvu_npc_install_promisc_entry(rvu, pcifunc, nixlf,
 					      pfvf->rx_chan_base,
 					      pfvf->rx_chan_cnt);
+
+		if (rvu_npc_exact_has_match_table(rvu))
+			rvu_npc_exact_promisc_enable(rvu, pcifunc);
 	} else {
 		if (!nix_rx_multicast)
 			rvu_npc_enable_promisc_entry(rvu, pcifunc, nixlf, false);
+
+		if (rvu_npc_exact_has_match_table(rvu))
+			rvu_npc_exact_promisc_disable(rvu, pcifunc);
 	}
 
 	return 0;
-- 
2.25.1