4 files changed, 105 insertions, 1 deletions

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
index afa2ead929a9..a15a59c9a239 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h
@@ -159,7 +159,8 @@ M(NIX_TXSCHQ_CFG,	0x8006, nix_txschq_config, msg_rsp)		\
 M(NIX_STATS_RST,	0x8007, msg_req, msg_rsp)			\
 M(NIX_VTAG_CFG,	0x8008, nix_vtag_config, msg_rsp)		\
 M(NIX_RSS_FLOWKEY_CFG,  0x8009, nix_rss_flowkey_cfg, msg_rsp)		\
-M(NIX_SET_MAC_ADDR,	0x800a, nix_set_mac_addr, msg_rsp)
+M(NIX_SET_MAC_ADDR,	0x800a, nix_set_mac_addr, msg_rsp)		\
+M(NIX_SET_RX_MODE,	0x800b, nix_rx_mode, msg_rsp)
 
 /* Messages initiated by AF (range 0xC00 - 0xDFF) */
 #define MBOX_UP_CGX_MESSAGES						\
@@ -513,4 +514,12 @@ struct nix_set_mac_addr {
 	u8 mac_addr[ETH_ALEN]; /* MAC address to be set for this pcifunc */
 };
 
+struct nix_rx_mode {
+	struct mbox_msghdr hdr;
+#define NIX_RX_MODE_UCAST	BIT(0)
+#define NIX_RX_MODE_PROMISC	BIT(1)
+#define NIX_RX_MODE_ALLMULTI	BIT(2)
+	u16	mode;
+};
+
 #endif /* MBOX_H */
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index 93e68915a63c..2c0580cd2807 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
@@ -347,6 +347,8 @@ int rvu_mbox_handler_NIX_RSS_FLOWKEY_CFG(struct rvu *rvu,
 int rvu_mbox_handler_NIX_SET_MAC_ADDR(struct rvu *rvu,
 				      struct nix_set_mac_addr *req,
 				      struct msg_rsp *rsp);
+int rvu_mbox_handler_NIX_SET_RX_MODE(struct rvu *rvu, struct nix_rx_mode *req,
+				     struct msg_rsp *rsp);
 
 /* NPC APIs */
 int rvu_npc_init(struct rvu *rvu);
@@ -355,6 +357,9 @@ int rvu_npc_get_pkind(struct rvu *rvu, u16 pf);
 void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf);
 void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
 				 int nixlf, u64 chan, u8 *mac_addr);
+void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
+				   int nixlf, u64 chan, bool allmulti);
+void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf);
 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
 				       int nixlf, u64 chan);
 void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 3caf81bbf2f2..8890c95831ca 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -1745,6 +1745,39 @@ int rvu_mbox_handler_NIX_SET_MAC_ADDR(struct rvu *rvu,
 	return 0;
 }
 
+int rvu_mbox_handler_NIX_SET_RX_MODE(struct rvu *rvu, struct nix_rx_mode *req,
+				     struct msg_rsp *rsp)
+{
+	bool allmulti = false, disable_promisc = false;
+	struct rvu_hwinfo *hw = rvu->hw;
+	u16 pcifunc = req->hdr.pcifunc;
+	struct rvu_pfvf *pfvf;
+	int blkaddr, nixlf;
+
+	pfvf = rvu_get_pfvf(rvu, pcifunc);
+	blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, pcifunc);
+	if (!pfvf->nixlf || blkaddr < 0)
+		return NIX_AF_ERR_AF_LF_INVALID;
+
+	nixlf = rvu_get_lf(rvu, &hw->block[blkaddr], pcifunc, 0);
+	if (nixlf < 0)
+		return NIX_AF_ERR_AF_LF_INVALID;
+
+	if (req->mode & NIX_RX_MODE_PROMISC)
+		allmulti = false;
+	else if (req->mode & NIX_RX_MODE_ALLMULTI)
+		allmulti = true;
+	else
+		disable_promisc = true;
+
+	if (disable_promisc)
+		rvu_npc_disable_promisc_entry(rvu, pcifunc, nixlf);
+	else
+		rvu_npc_install_promisc_entry(rvu, pcifunc, nixlf,
+					      pfvf->rx_chan_base, allmulti);
+	return 0;
+}
+
 static int nix_calibrate_x2p(struct rvu *rvu, int blkaddr)
 {
 	int idx, err;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
index a22eeb8af4ad..23ff47f7efc5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
@@ -310,6 +310,61 @@ void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
 			      NIX_INTF_RX, &entry, true);
 }
 
+void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
+				   int nixlf, u64 chan, bool allmulti)
+{
+	struct npc_mcam *mcam = &rvu->hw->mcam;
+	struct mcam_entry entry = { {0} };
+	struct nix_rx_action action;
+	int blkaddr, index, kwi;
+
+	blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
+	if (blkaddr < 0)
+		return;
+
+	/* Only PF or AF VF can add a promiscuous entry */
+	if (pcifunc & RVU_PFVF_FUNC_MASK)
+		return;
+
+	index = npc_get_nixlf_mcam_index(mcam, pcifunc,
+					 nixlf, NIXLF_PROMISC_ENTRY);
+
+	entry.kw[0] = chan;
+	entry.kw_mask[0] = 0xFFFULL;
+
+	if (allmulti) {
+		kwi = NPC_PARSE_RESULT_DMAC_OFFSET / sizeof(u64);
+		entry.kw[kwi] = BIT_ULL(40); /* LSB bit of 1st byte in DMAC */
+		entry.kw_mask[kwi] = BIT_ULL(40);
+	}
+
+	*(u64 *)&action = 0x00;
+	action.op = NIX_RX_ACTIONOP_UCAST;
+	action.pf_func = pcifunc;
+
+	entry.action = *(u64 *)&action;
+	npc_config_mcam_entry(rvu, mcam, blkaddr, index,
+			      NIX_INTF_RX, &entry, true);
+}
+
+void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf)
+{
+	struct npc_mcam *mcam = &rvu->hw->mcam;
+	int blkaddr, index;
+
+	blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
+	if (blkaddr < 0)
+		return;
+
+	/* Only PF's have a promiscuous entry */
+	if (pcifunc & RVU_PFVF_FUNC_MASK)
+		return;
+
+	index = npc_get_nixlf_mcam_index(mcam, pcifunc,
+					 nixlf, NIXLF_PROMISC_ENTRY);
+	npc_enable_mcam_entry(rvu, mcam, blkaddr, index, false);
+}
+
 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
 				       int nixlf, u64 chan)
 {
@@ -431,6 +486,8 @@ void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf)
 				     NPC_AF_MCAMEX_BANKX_ACTION(index, bank));
 		if (action.op != NIX_RX_ACTIONOP_MCAST)
 			npc_enable_mcam_entry(rvu, mcam, blkaddr, index, false);
+
+		rvu_npc_disable_promisc_entry(rvu, pcifunc, nixlf);
 	}
 }