netdev - [net-next Patch 4/5] octeontx2-af: replace generic error codes

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Date: Thu, 17 Aug 2023 16:53:56 +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 4/5] octeontx2-af: replace generic error codes

currently, if any netdev is not mapped to the MAC block(cgx/rpm)
requests MAC feature, AF driver returns a generic error like -EPERM.
This patch replaces generic error codes with driver-specific error
codes for better debugging

Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
---
 .../ethernet/marvell/octeontx2/af/rvu_cgx.c   | 24 +++++++++----------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 4e3aec7bdbee..c96a94303a54 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -600,7 +600,7 @@ int rvu_mbox_handler_cgx_mac_addr_set(struct rvu *rvu,
 	u8 cgx_id, lmac_id;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	if (rvu_npc_exact_has_match_table(rvu))
 		return rvu_npc_exact_mac_addr_set(rvu, req, rsp);
@@ -621,7 +621,7 @@ int rvu_mbox_handler_cgx_mac_addr_add(struct rvu *rvu,
 	int rc = 0;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	if (rvu_npc_exact_has_match_table(rvu))
 		return rvu_npc_exact_mac_addr_add(rvu, req, rsp);
@@ -644,7 +644,7 @@ int rvu_mbox_handler_cgx_mac_addr_del(struct rvu *rvu,
 	u8 cgx_id, lmac_id;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	if (rvu_npc_exact_has_match_table(rvu))
 		return rvu_npc_exact_mac_addr_del(rvu, req, rsp);
@@ -690,7 +690,7 @@ int rvu_mbox_handler_cgx_mac_addr_get(struct rvu *rvu,
 	u64 cfg;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
@@ -709,7 +709,7 @@ int rvu_mbox_handler_cgx_promisc_enable(struct rvu *rvu, struct msg_req *req,
 	u8 cgx_id, lmac_id;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	/* Disable drop on non hit rule */
 	if (rvu_npc_exact_has_match_table(rvu))
@@ -728,7 +728,7 @@ int rvu_mbox_handler_cgx_promisc_disable(struct rvu *rvu, struct msg_req *req,
 	u8 cgx_id, lmac_id;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	/* Disable drop on non hit rule */
 	if (rvu_npc_exact_has_match_table(rvu))
@@ -798,7 +798,7 @@ static int rvu_cgx_config_linkevents(struct rvu *rvu, u16 pcifunc, bool en)
 	u8 cgx_id, lmac_id;
 
 	if (!is_cgx_config_permitted(rvu, pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
@@ -836,7 +836,7 @@ int rvu_mbox_handler_cgx_get_linkinfo(struct rvu *rvu, struct msg_req *req,
 	pf = rvu_get_pf(req->hdr.pcifunc);
 
 	if (!is_pf_cgxmapped(rvu, pf))
-		return -ENODEV;
+		return LMAC_AF_ERR_PF_NOT_MAPPED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
@@ -897,7 +897,7 @@ static int rvu_cgx_config_intlbk(struct rvu *rvu, u16 pcifunc, bool en)
 	u8 cgx_id, lmac_id;
 
 	if (!is_cgx_config_permitted(rvu, pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PF_NOT_MAPPED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 	mac_ops = get_mac_ops(rvu_cgx_pdata(cgx_id, rvu));
@@ -1100,7 +1100,7 @@ int rvu_mbox_handler_cgx_set_fec_param(struct rvu *rvu,
 	u8 cgx_id, lmac_id;
 
 	if (!is_pf_cgxmapped(rvu, pf))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	if (req->fec == OTX2_FEC_OFF)
 		req->fec = OTX2_FEC_NONE;
@@ -1119,7 +1119,7 @@ int rvu_mbox_handler_cgx_get_aux_link_info(struct rvu *rvu, struct msg_req *req,
 		return LMAC_AF_ERR_FIRMWARE_DATA_NOT_MAPPED;
 
 	if (!is_pf_cgxmapped(rvu, pf))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
 
@@ -1144,7 +1144,7 @@ int rvu_mbox_handler_cgx_set_link_mode(struct rvu *rvu,
 	void *cgxd;
 
 	if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
-		return -EPERM;
+		return LMAC_AF_ERR_PERM_DENIED;
 
 	rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_idx, &lmac);
 	cgxd = rvu_cgx_pdata(cgx_idx, rvu);
-- 
2.17.1