[net-next PATCH 7/9] octeontx2-af: Add proper return codes for AF mbox handlers

From: Hariprasad Kelam
Date: Fri Nov 11 2022 - 23:33:32 EST


From: Naveen Mamindlapalli <naveenm@xxxxxxxxxxx>

Add appropriate error codes to be used when returning from AF
mailbox handlers.

Signed-off-by: Naveen Mamindlapalli <naveenm@xxxxxxxxxxx>
Signed-off-by: Hariprasad Kelam <hkelam@xxxxxxxxxxx>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@xxxxxxxxxxx>
---
.../ethernet/marvell/octeontx2/af/rvu_cgx.c | 34 +++++++++----------
1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
index 8a8a12ac7ac8..b603fcb8673f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cgx.c
@@ -602,7 +602,7 @@ int rvu_mbox_handler_cgx_stats_rst(struct rvu *rvu, struct msg_req *req,
void *cgxd;

if (!is_cgx_config_permitted(rvu, req->hdr.pcifunc))
- return -ENODEV;
+ return LMAC_AF_ERR_PERM_DENIED;

parent_pf = &rvu->pf[pf];
/* To ensure reset cgx stats won't affect VF stats,
@@ -650,7 +650,7 @@ 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);
@@ -673,7 +673,7 @@ 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);
@@ -739,7 +739,7 @@ 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))
@@ -758,7 +758,7 @@ 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))
@@ -786,7 +786,7 @@ static int rvu_cgx_ptp_rx_cfg(struct rvu *rvu, u16 pcifunc, bool enable)
*/
if ((pcifunc & RVU_PFVF_FUNC_MASK) ||
!is_pf_cgxmapped(rvu, pf))
- return -ENODEV;
+ return LMAC_AF_ERR_PERM_DENIED;

rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
cgxd = rvu_cgx_pdata(cgx_id, rvu);
@@ -798,7 +798,7 @@ static int rvu_cgx_ptp_rx_cfg(struct rvu *rvu, u16 pcifunc, bool enable)
* and if PTP is disabled then no shift is required
*/
if (npc_config_ts_kpuaction(rvu, pf, pcifunc, enable))
- return -EINVAL;
+ return NIX_AF_ERR_PTP_CONFIG_FAIL;
/* This flag is required to clean up CGX conf if app gets killed */
pfvf->hw_rx_tstamp_en = enable;

@@ -809,7 +809,7 @@ int rvu_mbox_handler_cgx_ptp_rx_enable(struct rvu *rvu, struct msg_req *req,
struct msg_rsp *rsp)
{
if (!is_pf_cgxmapped(rvu, rvu_get_pf(req->hdr.pcifunc)))
- return -EPERM;
+ return LMAC_AF_ERR_PERM_DENIED;

return rvu_cgx_ptp_rx_cfg(rvu, req->hdr.pcifunc, true);
}
@@ -826,7 +826,7 @@ 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);

@@ -864,7 +864,7 @@ 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);

@@ -925,7 +925,7 @@ 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_PERM_DENIED;

rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);
mac_ops = get_mac_ops(rvu_cgx_pdata(cgx_id, rvu));
@@ -1001,7 +1001,7 @@ int rvu_mbox_handler_cgx_cfg_pause_frm(struct rvu *rvu,
* if received from other PF/VF simply ACK, nothing to do.
*/
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);
cgxd = rvu_cgx_pdata(cgx_id, rvu);
@@ -1128,7 +1128,7 @@ 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_PF_NOT_MAPPED;

if (req->fec == OTX2_FEC_OFF)
req->fec = OTX2_FEC_NONE;
@@ -1147,7 +1147,7 @@ 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_PF_NOT_MAPPED;

rvu_get_cgx_lmac_id(rvu->pf2cgxlmac_map[pf], &cgx_id, &lmac_id);

@@ -1172,7 +1172,7 @@ 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);
@@ -1227,7 +1227,7 @@ int rvu_cgx_prio_flow_ctrl_cfg(struct rvu *rvu, u16 pcifunc, u8 tx_pause,
* if received from other PF/VF simply ACK, nothing to do.
*/
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);
cgxd = rvu_cgx_pdata(cgx_id, rvu);
@@ -1265,7 +1265,7 @@ int rvu_mbox_handler_cgx_prio_flow_ctrl_cfg(struct rvu *rvu,
* if received from other PF/VF simply ACK, nothing to do.
*/
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);
cgxd = rvu_cgx_pdata(cgx_id, rvu);
--
2.17.1