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[net] octeontx2-af: Fix start and end bit for scan config

Message ID 20230302032855.831573-1-rkannoth@marvell.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series [net] octeontx2-af: Fix start and end bit for scan config | expand

Checks

Context Check Description
netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for net
netdev/fixes_present success Fixes tag present in non-next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 20 this patch: 20
netdev/cc_maintainers warning 5 maintainers not CCed: gakula@marvell.com sbhatta@marvell.com hkelam@marvell.com jerinj@marvell.com lcherian@marvell.com
netdev/build_clang success Errors and warnings before: 18 this patch: 18
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes fail Problems with Fixes tag: 1
netdev/build_allmodconfig_warn success Errors and warnings before: 20 this patch: 20
netdev/checkpatch warning WARNING: Please use correct Fixes: style 'Fixes: <12 chars of sha1> ("<title line>")' - ie: 'Fixes: ("octeontx2-af: Exact match scan from kex profile")' WARNING: Unknown commit id '88fffc65f940', maybe rebased or not pulled? WARNING: line length of 94 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Ratheesh Kannoth March 2, 2023, 3:28 a.m. UTC 
for_each_set_bit_from() needs start bit as one bit prior
and end bit as one bit post position in the bit map

Fixes: 88fffc65f940 (octeontx2-af: Exact match scan from kex profile)
Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
Reviewed-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
---
 drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

Comments

Leon Romanovsky March 2, 2023, 9:21 a.m. UTC | #1 
On Thu, Mar 02, 2023 at 08:58:55AM +0530, Ratheesh Kannoth wrote:
> for_each_set_bit_from() needs start bit as one bit prior
> and end bit as one bit post position in the bit map
> 
> Fixes: 88fffc65f940 (octeontx2-af: Exact match scan from kex profile)

This is wrong Fixes line. It should be:
Fixes: 812103edf670 ("octeontx2-af: Exact match scan from kex profile")

Thanks

> Signed-off-by: Ratheesh Kannoth <rkannoth@marvell.com>
> Reviewed-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
> ---
>  drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
> index 327d3c6b1175..9c7bbef27e31 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
> +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
> @@ -603,9 +603,8 @@ static int npc_scan_kex(struct rvu *rvu, int blkaddr, u8 intf)
>  	 * exact match code.
>  	 */
>  	masked_cfg = cfg & NPC_EXACT_NIBBLE;
> -	bitnr = NPC_EXACT_NIBBLE_START;
> -	for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg,
> -			      NPC_EXACT_NIBBLE_START) {
> +	bitnr = NPC_EXACT_NIBBLE_START - 1;
> +	for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg, NPC_EXACT_NIBBLE_END + 1) {
>  		npc_scan_exact_result(mcam, bitnr, key_nibble, intf);
>  		key_nibble++;
>  	}
> -- 
> 2.25.1
>
diff mbox series

Patch

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
index 327d3c6b1175..9c7bbef27e31 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c
@@ -603,9 +603,8 @@  static int npc_scan_kex(struct rvu *rvu, int blkaddr, u8 intf)
 	 * exact match code.
 	 */
 	masked_cfg = cfg & NPC_EXACT_NIBBLE;
-	bitnr = NPC_EXACT_NIBBLE_START;
-	for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg,
-			      NPC_EXACT_NIBBLE_START) {
+	bitnr = NPC_EXACT_NIBBLE_START - 1;
+	for_each_set_bit_from(bitnr, (unsigned long *)&masked_cfg, NPC_EXACT_NIBBLE_END + 1) {
 		npc_scan_exact_result(mcam, bitnr, key_nibble, intf);
 		key_nibble++;
 	}