[PATCH AUTOSEL 6.1 30/35] octeontx2-af: optimize cpt pf identification
From: Sasha Levin <sashal@kernel.org>
Date: 2023-01-24 13:44:22
Also in:
lkml, stable
Subsystem:
marvell octeontx2 rvu admin function driver, networking drivers, the rest · Maintainers:
Sunil Goutham, Ratheesh Kannoth, Geetha sowjanya, Subbaraya Sundeep, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Srujana Challa <schalla@marvell.com> [ 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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/ethernet/marvell/octeontx2/af/rvu.c | 8 ++++++++ drivers/net/ethernet/marvell/octeontx2/af/rvu.h | 2 ++ drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c | 13 ++++++++++--- 3 files changed, 20 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
index 3f5e09b77d4b..8683ce57ed3f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c@@ -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:
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
index a981463939ac..0210318698b2 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h@@ -505,6 +505,7 @@ struct rvu { struct ptp *ptp; int mcs_blk_cnt; + int cpt_pf_num; #ifdef CONFIG_DEBUG_FS struct rvu_debugfs rvu_dbg;
@@ -870,6 +871,7 @@ 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);
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
index e8973294c4f8..f970cb9b0bff 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c@@ -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; +}
--
2.39.0