netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jakub Kicinski <jakub.kicinski@netronome.com>
To: Doug Berger <opendmb@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
	Florian Fainelli <f.fainelli@gmail.com>,
	bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 3/8] net: bcmgenet: use CHECKSUM_COMPLETE for NETIF_F_RXCSUM
Date: Tue, 17 Dec 2019 15:08:41 -0800	[thread overview]
Message-ID: <20191217150841.563d6fb9@cakuba.netronome.com> (raw)
In-Reply-To: <1576616549-39097-4-git-send-email-opendmb@gmail.com>

On Tue, 17 Dec 2019 13:02:24 -0800, Doug Berger wrote:
> @@ -1793,6 +1792,10 @@ static unsigned int bcmgenet_desc_rx(struct bcmgenet_rx_ring *ring,
>  
>  			status = (struct status_64 *)skb->data;
>  			dma_length_status = status->length_status;
> +			if (priv->desc_rxchk_en) {
> +				skb->csum = ntohs(status->rx_csum & 0xffff);

This adds a new warning for a W=1 C=1 build:

../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:45: warning: cast to res\
tricted __be16                                                                  
../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:45: warning: cast to res\
tricted __be16                                                                  
../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:45: warning: cast to res\
tricted __be16                                                                  
../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:45: warning: cast to res\
tricted __be16                                                                  
../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:43: warning: incorrect t\
ype in assignment (different base types)                                        
../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:43:    expected restrict\
ed __wsum [usertype] csum                                                       
../drivers/net/ethernet/broadcom/genet/bcmgenet.c:1796:43:    got int           
   
Could you perhaps consider a __force cast or such?

> +				skb->ip_summed = CHECKSUM_COMPLETE;
> +			}
>  		}
>  
>  		/* DMA flags and length are still valid no matter how


  parent reply	other threads:[~2019-12-17 23:08 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-17 21:02 [PATCH net-next 0/8] net: bcmgenet: Turn on offloads by default Doug Berger
2019-12-17 21:02 ` [PATCH net-next 1/8] net: bcmgenet: enable NETIF_F_HIGHDMA flag Doug Berger
2019-12-17 22:51   ` Florian Fainelli
2019-12-17 21:02 ` [PATCH net-next 2/8] net: bcmgenet: enable NETIF_F_HW_CSUM feature Doug Berger
2019-12-17 21:02 ` [PATCH net-next 3/8] net: bcmgenet: use CHECKSUM_COMPLETE for NETIF_F_RXCSUM Doug Berger
2019-12-17 21:16   ` David Miller
2019-12-17 22:52     ` Florian Fainelli
2019-12-17 23:21       ` David Miller
2019-12-17 22:52   ` Florian Fainelli
2019-12-17 23:36     ` Doug Berger
2019-12-17 23:08   ` Jakub Kicinski [this message]
2019-12-25 23:39   ` kbuild test robot
2019-12-17 21:02 ` [PATCH net-next 4/8] net: bcmgenet: Refactor bcmgenet_set_features() Doug Berger
2019-12-17 23:02   ` Florian Fainelli
2019-12-17 21:02 ` [PATCH net-next 5/8] net: bcmgenet: Utilize bcmgenet_set_features() during resume/open Doug Berger
2019-12-17 23:01   ` Florian Fainelli
2019-12-17 21:02 ` [PATCH net-next 6/8] net: bcmgenet: Turn on offloads by default Doug Berger
2019-12-17 23:02   ` Florian Fainelli
2019-12-17 21:02 ` [PATCH net-next 7/8] net: bcmgenet: Be drop monitor friendly while re-allocating headroom Doug Berger
2019-12-17 23:00   ` Florian Fainelli
2019-12-17 21:02 ` [PATCH net-next 8/8] net: bcmgenet: Add software counters to track reallocations Doug Berger
2019-12-17 23:00   ` Florian Fainelli

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20191217150841.563d6fb9@cakuba.netronome.com \
    --to=jakub.kicinski@netronome.com \
    --cc=bcm-kernel-feedback-list@broadcom.com \
    --cc=davem@davemloft.net \
    --cc=f.fainelli@gmail.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=opendmb@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).