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Date: Wed, 6 Jul 2022 18:32:41 +0530
From: Ratheesh Kannoth <rkannoth@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <sgoutham@...vell.com>, <davem@...emloft.net>,
<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
<kbuild-all@...ts.01.org>,
"Ratheesh Kannoth" <rkannoth@...vell.com>,
kernel test robot <lkp@...el.com>
Subject: [PATCH] octeontx2-af: Fix compiler warnings.
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:388:5: warning: no previous prototype for 'rvu_exact_calculate_hash' [-Wmissing-prototypes]
388 | u32 rvu_exact_calculate_hash(struct rvu *rvu, u16 chan, u16 ctype, u8 *mac,
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: In function 'rvu_npc_exact_get_drop_rule_info':
>> drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1080:14: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
1080 | bool rc;
| ^~
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: At top level:
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1248:5: warning: no previous prototype for 'rvu_npc_exact_add_table_entry' [-Wmissing-prototypes]
1248 | int rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id, u8 *mac,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: In function 'rvu_npc_exact_add_table_entry':
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1254:33: warning: variable 'table' set but not used [-Wunused-but-set-variable]
1254 | struct npc_exact_table *table;
| ^~~~~
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c: At top level:
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1320:5: warning: no previous prototype for 'rvu_npc_exact_update_table_entry' [-Wmissing-prototypes]
1320 | int rvu_npc_exact_update_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Ratheesh Kannoth <rkannoth@...vell.com>
---
.../marvell/octeontx2/af/rvu_npc_hash.c | 29 ++++++++++---------
1 file changed, 15 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
index d3e6f7887ded..61881a437783 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c
@@ -340,7 +340,7 @@ int rvu_mbox_handler_npc_get_secret_key(struct rvu *rvu,
/**
* rvu_npc_exact_mac2u64 - utility function to convert mac address to u64.
- * @macaddr: MAC address.
+ * @mac_addr: MAC address.
* Returns mdata for exact match table.
*/
static u64 rvu_npc_exact_mac2u64(u8 *mac_addr)
@@ -385,8 +385,8 @@ static u64 rvu_exact_prepare_mdata(u8 *mac, u16 chan, u16 ctype, u64 mask)
* @mask: HASH mask.
* @table_depth: Depth of table.
*/
-u32 rvu_exact_calculate_hash(struct rvu *rvu, u16 chan, u16 ctype, u8 *mac,
- u64 mask, u32 table_depth)
+static u32 rvu_exact_calculate_hash(struct rvu *rvu, u16 chan, u16 ctype, u8 *mac,
+ u64 mask, u32 table_depth)
{
struct npc_exact_table *table = rvu->hw->table;
u64 hash_key[2];
@@ -419,6 +419,7 @@ u32 rvu_exact_calculate_hash(struct rvu *rvu, u16 chan, u16 ctype, u8 *mac,
* @rvu: resource virtualization unit.
* @way: Indicate way to table.
* @index: Hash index to 4 way table.
+ * @hash: Hash value.
*
* Searches 4 way table using hash index. Returns 0 on success.
*/
@@ -565,6 +566,7 @@ static u64 rvu_exact_prepare_table_entry(struct rvu *rvu, bool enable,
/**
* rvu_exact_config_secret_key - Configure secret key.
+ * @rvu: Resource virtualization unit.
* Returns mdata for exact match table.
*/
static void rvu_exact_config_secret_key(struct rvu *rvu)
@@ -584,6 +586,7 @@ static void rvu_exact_config_secret_key(struct rvu *rvu)
/**
* rvu_exact_config_search_key - Configure search key
+ * @rvu: Resource virtualization unit.
* Returns mdata for exact match table.
*/
static void rvu_exact_config_search_key(struct rvu *rvu)
@@ -727,7 +730,7 @@ __rvu_npc_exact_find_entry_by_seq_id(struct rvu *rvu, u32 seq_id)
* @ways: MEM table ways.
* @index: Index in MEM/CAM table.
* @cgx_id: CGX identifier.
- * @lamc_id: LMAC identifier.
+ * @lmac_id: LMAC identifier.
* @mac_addr: MAC address.
* @chan: Channel number.
* @ctype: Channel Type.
@@ -933,8 +936,8 @@ static int rvu_npc_exact_alloc_table_entry(struct rvu *rvu, char *mac, u16 chan
table = rvu->hw->table;
/* Check in 4-ways mem entry for free slote */
- hash = rvu_exact_calculate_hash(rvu, chan, ctype, mac, table->mem_table.mask,
- table->mem_table.depth);
+ hash = rvu_exact_calculate_hash(rvu, chan, ctype, mac, table->mem_table.mask,
+ table->mem_table.depth);
err = rvu_npc_exact_alloc_mem_table_entry(rvu, ways, index, hash);
if (!err) {
*opc_type = NPC_EXACT_OPC_MEM;
@@ -1089,6 +1092,8 @@ static bool rvu_npc_exact_get_drop_rule_info(struct rvu *rvu, u8 intf_type, u8 c
rc = rvu_npc_exact_calc_drop_rule_chan_and_mask(rvu, intf_type, cgx_id,
lmac_id, &chan_val, &chan_mask);
+ if (!rc)
+ return false;
for (i = 0; i < NPC_MCAM_DROP_RULE_MAX; i++) {
if (!table->drop_rule_map[i].valid)
@@ -1254,7 +1259,6 @@ static int rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id,
{
int blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
enum npc_exact_opc_type opc_type;
- struct npc_exact_table *table;
u32 drop_mcam_idx;
bool enable_cam;
u32 index;
@@ -1262,8 +1266,6 @@ static int rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id,
int err;
u8 ways;
- table = rvu->hw->table;
-
ctype = 0;
err = rvu_npc_exact_alloc_table_entry(rvu, mac, chan, ctype, &index, &ways, &opc_type);
@@ -1312,7 +1314,7 @@ static int rvu_npc_exact_add_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_id,
* rvu_npc_exact_update_table_entry - Update exact match table.
* @rvu: resource virtualization unit.
* @cgx_id: CGX identifier.
- * @lamc_id: LMAC identifier.
+ * @lmac_id: LMAC identifier.
* @old_mac: Existing MAC address entry.
* @new_mac: New MAC address entry.
* @seq_id: Sequence identifier of the entry.
@@ -1347,9 +1349,9 @@ static int rvu_npc_exact_update_table_entry(struct rvu *rvu, u8 cgx_id, u8 lmac_
* hash index, we cannot update the entry. Fail in these scenarios.
*/
if (entry->opc_type == NPC_EXACT_OPC_MEM) {
- hash_index = rvu_exact_calculate_hash(rvu, entry->chan, entry->ctype,
- new_mac, table->mem_table.mask,
- table->mem_table.depth);
+ hash_index = rvu_exact_calculate_hash(rvu, entry->chan, entry->ctype,
+ new_mac, table->mem_table.mask,
+ table->mem_table.depth);
if (hash_index != entry->index) {
dev_dbg(rvu->dev,
"%s: Update failed due to index mismatch(new=0x%x, old=%x)\n",
@@ -1771,7 +1773,6 @@ void rvu_npc_exact_reset(struct rvu *rvu, u16 pcifunc)
* @rvu: resource virtualization unit.
*
* Initialize HW and SW resources to manage 4way-2K table and fully
- u8 cgx_id, lmac_id;
* associative 32-entry mcam table.
*/
int rvu_npc_exact_init(struct rvu *rvu)
--
2.25.1
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