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Message-ID: <MWHPR1801MB1918C2542BC344601E837721D3829@MWHPR1801MB1918.namprd18.prod.outlook.com>
Date:   Fri, 8 Jul 2022 04:45:05 +0000
From:   Ratheesh Kannoth <rkannoth@...vell.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>
Subject: RE: [EXT] Re: [net-next PATCH V3 06/12] octeontx2-af: Drop rules for
 NPC MCAM

-----Original Message-----
From: Jakub Kicinski <kuba@...nel.org> 
Sent: Friday, July 8, 2022 6:24 AM
To: Ratheesh Kannoth <rkannoth@...vell.com>
Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org; Sunil Kovvuri Goutham <sgoutham@...vell.com>; davem@...emloft.net; edumazet@...gle.com; pabeni@...hat.com
Subject: [EXT] Re: [net-next PATCH V3 06/12] octeontx2-af: Drop rules for NPC MCAM

External Email

----------------------------------------------------------------------
On Thu, 7 Jul 2022 13:03:47 +0530 Ratheesh Kannoth wrote:
> NPC exact match table installs drop on hit rules in NPC mcam for each 
> channel. This rule has broadcast and multicast bits cleared. Exact 
> match bit cleared and channel bits set. If exact match table hit bit 
> is 0, corresponding NPC mcam drop rule will be hit for the packet and 
> will be dropped.

>kdoc:

>drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1462: warning: bad line:         u8 cgx_id, lmac_id;

Done. Posted new patch set.

>clang:

.>/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1228:6: warning: variable 'disable_cam' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
        if (entry->cmd)
            ^~~~~~~~~~
>../drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1232:6: note: uninitialized use occurs here
        if (disable_cam) {
            ^~~~~~~~~~~
>./drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1228:2: note: remove the 'if' if its condition is always true
  >      if (entry->cmd)
        ^~~~~~~~~~~~~~~
>../drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1201:18: note: initialize the variable 'disable_cam' to silence this warning
        bool disable_cam;
                        ^
                         = 0
>../drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1308:6: warning: variable 'enable_cam' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
 >       if (cmd)
            ^~~
>../drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1312:6: note: uninitialized use occurs here
>        if (enable_cam) {
            ^~~~~~~~~~
>../drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1308:2: note: remove the 'if' if its condition is always true
 >       if (cmd)
 >       ^~~~~~~~
>../drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_hash.c:1275:17: note: initialize the variable 'enable_cam' to silence this warning
 >       bool enable_cam;
                       ^
 >                       = 0

Done. Posted new patch.

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