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octeontx2-af: optimize cpt pf identification

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[ Upstream commit 9adb04ff62f51265002c2c83e718bcf459e06e48 ]

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: Srujana Challa <schalla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: a88e0f936ba9 ("octeontx2: Detect the mbox up or down message via register")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Srujana Challa 2023-01-18 17:33:51 +05:30 committed by Sasha Levin
parent 35d8af38f1
commit 8b1140c580
3 changed files with 20 additions and 3 deletions
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8
drivers/net/ethernet/marvell/octeontx2/af/rvu.c
View File

@ -1164,8 +1164,16 @@ cpt:
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:

2
drivers/net/ethernet/marvell/octeontx2/af/rvu.h
View File

@ -506,6 +506,7 @@ struct rvu {
struct ptp *ptp;
int mcs_blk_cnt;
int cpt_pf_num;
#ifdef CONFIG_DEBUG_FS
struct rvu_debugfs rvu_dbg;
@ -872,6 +873,7 @@ 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);
#define NDC_AF_BANK_MASK GENMASK_ULL(7, 0)
#define NDC_AF_BANK_LINE_MASK GENMASK_ULL(31, 16)

13
drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
View File

@ -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;
@ -1023,7 +1023,7 @@ 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;
@ -1167,3 +1167,10 @@ unlock:
return 0;
}
int rvu_cpt_init(struct rvu *rvu)
{
/* Retrieve CPT PF number */
rvu->cpt_pf_num = get_cpt_pf_num(rvu);
return 0;
}