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Message-ID: <20230817112357.25874-4-hkelam@marvell.com>
Date: Thu, 17 Aug 2023 16:53:55 +0530
From: Hariprasad Kelam <hkelam@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <kuba@...nel.org>, <davem@...emloft.net>, <sgoutham@...vell.com>,
<gakula@...vell.com>, <jerinj@...vell.com>, <lcherian@...vell.com>,
<sbhatta@...vell.com>, <hkelam@...vell.com>, <naveenm@...vell.com>,
<edumazet@...gle.com>, <pabeni@...hat.com>
Subject: [net-next Patch 3/5] octeontx2-af: Add validation of lmac
With the addition of new MAC blocks like CN10K RPM and CN10KB
RPM_USX, LMACs are noncontiguous. Though in most of the functions,
lmac validation checks exist but in few functions they are missing.
This patch adds the same.
Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
---
drivers/net/ethernet/marvell/octeontx2/af/cgx.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
index 9392ef95a245..e06f77ad6106 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/cgx.c
@@ -232,6 +232,9 @@ int cgx_lmac_addr_set(u8 cgx_id, u8 lmac_id, u8 *mac_addr)
int index, id;
u64 cfg;
+ if (!lmac)
+ return -ENODEV;
+
/* access mac_ops to know csr_offset */
mac_ops = cgx_dev->mac_ops;
@@ -550,15 +553,16 @@ void cgx_lmac_promisc_config(int cgx_id, int lmac_id, bool enable)
{
struct cgx *cgx = cgx_get_pdata(cgx_id);
struct lmac *lmac = lmac_pdata(lmac_id, cgx);
- u16 max_dmac = lmac->mac_to_index_bmap.max;
struct mac_ops *mac_ops;
+ u16 max_dmac;
int index, i;
u64 cfg = 0;
int id;
- if (!cgx)
+ if (!cgx || !lmac)
return;
+ max_dmac = lmac->mac_to_index_bmap.max;
id = get_sequence_id_of_lmac(cgx, lmac_id);
mac_ops = cgx->mac_ops;
@@ -731,7 +735,7 @@ int cgx_get_fec_stats(void *cgxd, int lmac_id, struct cgx_fec_stats_rsp *rsp)
int corr_reg, uncorr_reg;
struct cgx *cgx = cgxd;
- if (!cgx || lmac_id >= cgx->lmac_count)
+ if (!is_lmac_valid(cgx, lmac_id))
return -ENODEV;
if (cgx->lmac_idmap[lmac_id]->link_info.fec == OTX2_FEC_NONE)
--
2.17.1
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