Commit 51b2804c authored by Suman Ghosh's avatar Suman Ghosh Committed by David S. Miller
Browse files

octeontx2-af: Add new mbox to support multicast/mirror offload 



A new mailbox is added to support offloading of multicast/mirror
functionality. The mailbox also supports dynamic updation of the
multicast/mirror list.

Signed-off-by: default avatarSuman Ghosh <sumang@marvell.com>
Reviewed-by: default avatarWojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8470e436

drivers/net/ethernet/marvell/octeontx2/af/mbox.h

+72 −0
Original line number Diff line number Diff line
@@ -304,6 +304,13 @@ M(NIX_BANDPROF_GET_HWINFO, 0x801f, nix_bandprof_get_hwinfo, msg_req, \ 
				nix_bandprof_get_hwinfo_rsp)		    \

M(NIX_READ_INLINE_IPSEC_CFG, 0x8023, nix_read_inline_ipsec_cfg,		\

				msg_req, nix_inline_ipsec_cfg)		\

M(NIX_MCAST_GRP_CREATE,	0x802b, nix_mcast_grp_create, nix_mcast_grp_create_req,	\

				nix_mcast_grp_create_rsp)			\

M(NIX_MCAST_GRP_DESTROY, 0x802c, nix_mcast_grp_destroy, nix_mcast_grp_destroy_req,	\

				msg_rsp)					\

M(NIX_MCAST_GRP_UPDATE, 0x802d, nix_mcast_grp_update,				\

				nix_mcast_grp_update_req,			\

				nix_mcast_grp_update_rsp)			\

/* MCS mbox IDs (range 0xA000 - 0xBFFF) */					\

M(MCS_ALLOC_RESOURCES,	0xa000, mcs_alloc_resources, mcs_alloc_rsrc_req,	\

				mcs_alloc_rsrc_rsp)				\
@@ -830,6 +837,9 @@ enum nix_af_status { 
	NIX_AF_ERR_CQ_CTX_WRITE_ERR  = -429,

	NIX_AF_ERR_AQ_CTX_RETRY_WRITE  = -430,

	NIX_AF_ERR_LINK_CREDITS  = -431,

	NIX_AF_ERR_INVALID_MCAST_GRP	= -436,

	NIX_AF_ERR_INVALID_MCAST_DEL_REQ = -437,

	NIX_AF_ERR_NON_CONTIG_MCE_LIST = -438,

};



/* For NIX RX vtag action  */
@@ -1204,6 +1214,68 @@ struct nix_bp_cfg_rsp { 
	u8	chan_cnt; /* Number of channel for which bpids are assigned */

};



struct nix_mcast_grp_create_req {

	struct mbox_msghdr hdr;

#define NIX_MCAST_INGRESS	0

#define NIX_MCAST_EGRESS	1

	u8 dir;

	u8 reserved[11];

	/* Reserving few bytes for future requirement */

};



struct nix_mcast_grp_create_rsp {

	struct mbox_msghdr hdr;

	/* This mcast_grp_idx should be passed during MCAM

	 * write entry for multicast. AF will identify the

	 * corresponding multicast table index associated

	 * with the group id and program the same to MCAM entry.

	 * This group id is also needed during group delete

	 * and update request.

	 */

	u32 mcast_grp_idx;

};



struct nix_mcast_grp_destroy_req {

	struct mbox_msghdr hdr;

	/* Group id returned by nix_mcast_grp_create_rsp */

	u32 mcast_grp_idx;

	/* If AF is requesting for destroy, then set

	 * it to '1'. Otherwise keep it to '0'

	 */

	u8 is_af;

};



struct nix_mcast_grp_update_req {

	struct mbox_msghdr hdr;

	/* Group id returned by nix_mcast_grp_create_rsp */

	u32 mcast_grp_idx;

	/* Number of multicast/mirror entries requested */

	u32 num_mce_entry;

#define NIX_MCE_ENTRY_MAX 64

#define NIX_RX_RQ	0

#define NIX_RX_RSS	1

	/* Receive queue or RSS index within pf_func */

	u32 rq_rss_index[NIX_MCE_ENTRY_MAX];

	/* pcifunc is required for both ingress and egress multicast */

	u16 pcifunc[NIX_MCE_ENTRY_MAX];

	/* channel is required for egress multicast */

	u16 channel[NIX_MCE_ENTRY_MAX];

#define NIX_MCAST_OP_ADD_ENTRY	0

#define NIX_MCAST_OP_DEL_ENTRY	1

	/* Destination type. 0:Receive queue, 1:RSS*/

	u8 dest_type[NIX_MCE_ENTRY_MAX];

	u8 op;

	/* If AF is requesting for update, then set

	 * it to '1'. Otherwise keep it to '0'

	 */

	u8 is_af;

};



struct nix_mcast_grp_update_rsp {

	struct mbox_msghdr hdr;

	u32 mce_start_index;

};



/* Global NIX inline IPSec configuration */

struct nix_inline_ipsec_cfg {

	struct mbox_msghdr hdr;

drivers/net/ethernet/marvell/octeontx2/af/rvu.c

+5 −1
Original line number Diff line number Diff line
@@ -156,7 +156,7 @@ int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc) 
	return start;

}



static void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start)

void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start)

{

	if (!rsrc->bmap)

		return;
@@ -2614,6 +2614,10 @@ static void __rvu_flr_handler(struct rvu *rvu, u16 pcifunc) 
	 * 2. Flush and reset SSO/SSOW

	 * 3. Cleanup pools (NPA)

	 */



	/* Free multicast/mirror node associated with the 'pcifunc' */

	rvu_nix_mcast_flr_free_entries(rvu, pcifunc);



	rvu_blklf_teardown(rvu, pcifunc, BLKADDR_NIX0);

	rvu_blklf_teardown(rvu, pcifunc, BLKADDR_NIX1);

	rvu_blklf_teardown(rvu, pcifunc, BLKADDR_CPT0);

drivers/net/ethernet/marvell/octeontx2/af/rvu.h

+34 −5
Original line number Diff line number Diff line
@@ -119,7 +119,8 @@ struct nix_mcast { 
	struct qmem		*mce_ctx;

	struct qmem		*mcast_buf;

	int			replay_pkind;

	int		next_free_mce;

	struct rsrc_bmap	mce_counter[2];

	/* Counters for both ingress and egress mcast lists */

	struct mutex		mce_lock; /* Serialize MCE updates */

};
@@ -129,6 +130,23 @@ struct nix_mce_list { 
	int			max;

};



struct nix_mcast_grp_elem {

	struct nix_mce_list	mcast_mce_list;

	u32			mcast_grp_idx;

	u32			pcifunc;

	int			mcam_index;

	int			mce_start_index;

	struct list_head	list;

	u8			dir;

};



struct nix_mcast_grp {

	struct list_head	mcast_grp_head;

	int			count;

	int			next_grp_index;

	struct mutex		mcast_grp_lock; /* Serialize MCE updates */

};



/* layer metadata to uniquely identify a packet header field */

struct npc_layer_mdata {

	u8 lid;
@@ -339,6 +357,7 @@ struct nix_hw { 
	struct rvu *rvu;

	struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */

	struct nix_mcast mcast;

	struct nix_mcast_grp mcast_grp;

	struct nix_flowkey flowkey;

	struct nix_mark_format mark_format;

	struct nix_lso lso;
@@ -741,6 +760,7 @@ void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id); 
bool is_rsrc_free(struct rsrc_bmap *rsrc, int id);

int rvu_rsrc_free_count(struct rsrc_bmap *rsrc);

int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc);

void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start);

bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc);

u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr);

int rvu_get_pf(u16 pcifunc);
@@ -847,6 +867,11 @@ u32 convert_dwrr_mtu_to_bytes(u8 dwrr_mtu); 
u32 convert_bytes_to_dwrr_mtu(u32 bytes);

void rvu_nix_tx_tl2_cfg(struct rvu *rvu, int blkaddr, u16 pcifunc,

			struct nix_txsch *txsch, bool enable);

void rvu_nix_mcast_flr_free_entries(struct rvu *rvu, u16 pcifunc);

int rvu_nix_mcast_get_mce_index(struct rvu *rvu, u16 pcifunc,

				u32 mcast_grp_idx);

int rvu_nix_mcast_update_mcam_entry(struct rvu *rvu, u16 pcifunc,

				    u32 mcast_grp_idx, u16 mcam_index);



/* NPC APIs */

void rvu_npc_freemem(struct rvu *rvu);
@@ -895,6 +920,10 @@ void npc_mcam_enable_flows(struct rvu *rvu, u16 target); 
void npc_mcam_disable_flows(struct rvu *rvu, u16 target);

void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,

			   int blkaddr, int index, bool enable);

u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,

			int blkaddr, int index);

void npc_set_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,

			 int blkaddr, int index, u64 cfg);

void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,

			 int blkaddr, u16 src, struct mcam_entry *entry,

			 u8 *intf, u8 *ena);

drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c

+683 −19

File changed.

Preview size limit exceeded, changes collapsed.

drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c

+12 −2
Original line number Diff line number Diff line
@@ -589,7 +589,7 @@ static void npc_copy_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam, 
		    NPC_AF_MCAMEX_BANKX_CFG(dest, dbank), cfg);

}



static u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,

u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,

			int blkaddr, int index)

{

	int bank = npc_get_bank(mcam, index);
@@ -599,6 +599,16 @@ static u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam, 
			  NPC_AF_MCAMEX_BANKX_ACTION(index, bank));

}



void npc_set_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,

			 int blkaddr, int index, u64 cfg)

{

	int bank = npc_get_bank(mcam, index);



	index &= (mcam->banksize - 1);

	return rvu_write64(rvu, blkaddr,

			   NPC_AF_MCAMEX_BANKX_ACTION(index, bank), cfg);

}



void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,

				 int nixlf, u64 chan, u8 *mac_addr)

{