Commit 9adb04ff authored by Srujana Challa's avatar Srujana Challa Committed by David S. Miller
Browse files

octeontx2-af: optimize cpt pf identification 



Optimize CPT PF identification in mbox handling for faster
mbox response by doing it at AF driver probe instead of
every mbox message.

Signed-off-by: default avatarSrujana Challa <schalla@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1286c50a

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

+8 −0
Original line number Diff line number Diff line
@@ -1164,8 +1164,16 @@ static int rvu_setup_hw_resources(struct rvu *rvu) 
		goto nix_err;

	}



	err = rvu_cpt_init(rvu);

	if (err) {

		dev_err(rvu->dev, "%s: Failed to initialize cpt\n", __func__);

		goto mcs_err;

	}



	return 0;



mcs_err:

	rvu_mcs_exit(rvu);

nix_err:

	rvu_nix_freemem(rvu);

npa_err:

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

+2 −0
Original line number Diff line number Diff line
@@ -511,6 +511,7 @@ struct rvu { 
	struct ptp		*ptp;



	int			mcs_blk_cnt;

	int			cpt_pf_num;



#ifdef CONFIG_DEBUG_FS

	struct rvu_debugfs	rvu_dbg;
@@ -877,6 +878,7 @@ void rvu_cpt_unregister_interrupts(struct rvu *rvu); 
int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int lf,

			int slot);

int rvu_cpt_ctx_flush(struct rvu *rvu, u16 pcifunc);

int rvu_cpt_init(struct rvu *rvu);



/* CN10K RVU */

int rvu_set_channels_base(struct rvu *rvu);

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

+10 −3
Original line number Diff line number Diff line
@@ -340,7 +340,7 @@ static int get_cpt_pf_num(struct rvu *rvu) 


static bool is_cpt_pf(struct rvu *rvu, u16 pcifunc)

{

	int cpt_pf_num = get_cpt_pf_num(rvu);

	int cpt_pf_num = rvu->cpt_pf_num;



	if (rvu_get_pf(pcifunc) != cpt_pf_num)

		return false;
@@ -352,7 +352,7 @@ static bool is_cpt_pf(struct rvu *rvu, u16 pcifunc) 


static bool is_cpt_vf(struct rvu *rvu, u16 pcifunc)

{

	int cpt_pf_num = get_cpt_pf_num(rvu);

	int cpt_pf_num = rvu->cpt_pf_num;



	if (rvu_get_pf(pcifunc) != cpt_pf_num)

		return false;
@@ -1015,7 +1015,7 @@ int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int lf, int s 
static int cpt_inline_inb_lf_cmd_send(struct rvu *rvu, int blkaddr,

				      int nix_blkaddr)

{

	int cpt_pf_num = get_cpt_pf_num(rvu);

	int cpt_pf_num = rvu->cpt_pf_num;

	struct cpt_inst_lmtst_req *req;

	dma_addr_t res_daddr;

	int timeout = 3000;
@@ -1159,3 +1159,10 @@ int rvu_cpt_ctx_flush(struct rvu *rvu, u16 pcifunc) 


	return 0;

}



int rvu_cpt_init(struct rvu *rvu)

{

	/* Retrieve CPT PF number */

	rvu->cpt_pf_num = get_cpt_pf_num(rvu);

	return 0;

}