netdev - Re: [PATCH net-next 10/13] octeontx2-pf: Add support for SR-IOV management functions

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Date:   Tue, 3 Nov 2020 05:11:10 +0000
From:   Naveen Mamindlapalli <naveenm@...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>,
        "davem@...emloft.net" <davem@...emloft.net>,
        Sunil Kovvuri Goutham <sgoutham@...vell.com>,
        Linu Cherian <lcherian@...vell.com>,
        "Geethasowjanya Akula" <gakula@...vell.com>,
        Jerin Jacob Kollanukkaran <jerinj@...vell.com>,
        Subbaraya Sundeep Bhatta <sbhatta@...vell.com>,
        Hariprasad Kelam <hkelam@...vell.com>,
        Tomasz Duszynski <tduszynski@...vell.com>
Subject: Re: [PATCH net-next 10/13] octeontx2-pf: Add support for SR-IOV
 management functions

Hi Jakub,

> -----Original Message-----
> From: Jakub Kicinski <kuba@...nel.org>
> Sent: Monday, November 2, 2020 11:25 PM
> To: Naveen Mamindlapalli <naveenm@...vell.com>
> Cc: netdev@...r.kernel.org; linux-kernel@...r.kernel.org;
> davem@...emloft.net; Sunil Kovvuri Goutham <sgoutham@...vell.com>; Linu
> Cherian <lcherian@...vell.com>; Geethasowjanya Akula
> <gakula@...vell.com>; Jerin Jacob Kollanukkaran <jerinj@...vell.com>;
> Subbaraya Sundeep Bhatta <sbhatta@...vell.com>; Hariprasad Kelam
> <hkelam@...vell.com>; Tomasz Duszynski <tduszynski@...vell.com>
> Subject: Re: [PATCH net-next 10/13] octeontx2-pf: Add support for SR-IOV
> management functions
> 
> On Mon, 2 Nov 2020 11:41:19 +0530 Naveen Mamindlapalli wrote:
> > This patch adds support for ndo_set_vf_mac, ndo_set_vf_vlan and
> > ndo_get_vf_config handlers. The traffic redirection based on the VF
> > mac address or vlan id is done by installing MCAM rules. Reserved
> > RX_VTAG_TYPE7 in each NIXLF for VF VLAN which strips the VLAN tag from
> > ingress VLAN traffic. The NIX PF allocates two MCAM entries for VF
> > VLAN feature, one used for ingress VTAG strip and another entry for
> > egress VTAG insertion.
> >
> > This patch also updates the MAC address in PF installed VF VLAN rule
> > upon receiving nix_lf_start_rx mbox request for VF since
> > Administrative Function driver will assign a valid MAC addr in
> > nix_lf_start_rx function.
> >
> > Signed-off-by: Naveen Mamindlapalli <naveenm@...vell.com>
> > Co-developed-by: Tomasz Duszynski <tduszynski@...vell.com>
> > Signed-off-by: Tomasz Duszynski <tduszynski@...vell.com>
> > Signed-off-by: Sunil Goutham <sgoutham@...vell.com>
> > Signed-off-by: Hariprasad Kelam <hkelam@...vell.com>
> 
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2097:31: warning: cast
> to restricted __be16
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2097:31: warning: cast
> to restricted __be16
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2097:31: warning: cast
> to restricted __be16
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2097:31: warning: cast
> to restricted __be16
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2158:55: warning:
> incorrect type in argument 5 (different base types)
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2158:55:    expected
> unsigned short [usertype] proto
> drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c:2158:55:    got restricted
> __be16 [usertype] proto
> 203a211,214
> drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c: In function
> ‘npc_update_dmac_value’:
> drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c:1236:24: warning:
> implicit conversion from ‘enum header_fields’ to ‘enum key_fields’ [-Wenum-
> conversion]
>  1236 |  npc_update_entry(rvu, NPC_DMAC, entry,
>       |                        ^~~~~~~~

I will fix these warnings in v2.

Thanks,
Naveen