DPDK patches and discussions
 help / color / mirror / Atom feed
From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] kni: fix compilation issue on kernel 3.19
Date: Fri, 20 Mar 2015 22:23:07 +0100
Message-ID: <1426891155.RSIx7FYEKj@xps13> (raw)
In-Reply-To: <1426181069-31469-1-git-send-email-pablo.de.lara.guarch@intel.com>

Hi Pablo,

2015-03-12 17:24, Pablo de Lara:
> Due to API changes in functions ndo_dflt_bridge_getlink
> and igb_ndo_fdb_add in kernel 3.19, DPDK would not build.

Please provide the Linux commit id for this change.

> This patch solves the problem, by checking the kernel version
> and adding the necessary new parameters
> 
> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
> ---
>  lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c |    7 +++++++
>  lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h  |    3 +++
>  2 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
> index a802a02..24b147d 100644
> --- a/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
> +++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/igb_main.c
> @@ -2103,6 +2103,9 @@ static int igb_set_features(struct net_device *netdev,
>  static int igb_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
>  			   struct net_device *dev,
>  			   const unsigned char *addr,
> +#ifdef HAVE_NDO_FDB_ADD_VID
> +			   u16 vid,
> +#endif
>  			   u16 flags)
>  #else

You should explain in commit message why the change is not needed in #else
(!USE_CONST_DEV_UC_CHAR for version < 3.7).

>  static int igb_ndo_fdb_add(struct ndmsg *ndm,
> @@ -2259,7 +2262,11 @@ static int igb_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
>  	else
>  		mode = BRIDGE_MODE_VEPA;
>  
> +#ifdef HAVE_NDO_FDB_ADD_VID
> +	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode, 0, 0);
> +#else
>  	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode);
> +#endif /* HAVE_NDO_FDB_ADD_VID */
>  }
>  #endif /* HAVE_BRIDGE_ATTRIBS */
>  #endif /* NTF_SELF */
> diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
> index 1213cc6..5c799e9 100644
> --- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
> +++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
> @@ -3881,4 +3881,7 @@ skb_set_hash(struct sk_buff *skb, __u32 hash, __always_unused int type)
>  #define HAVE_VF_MIN_MAX_TXRATE 1
>  #endif /* >= 3.16.0 */
>  
> +#if ( LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0) )
> +#define HAVE_NDO_FDB_ADD_VID
> +#endif /* >= 3.19.0 */
>  #endif /* _KCOMPAT_H_ */

A blank line is missing here.
Are you sure there is no macro defined in the Linux changes which could be
checked instead of version number? I dislike version checks because of
backport problems.

  reply	other threads:[~2015-03-20 21:23 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-12 17:24 Pablo de Lara
2015-03-20 21:23 ` Thomas Monjalon [this message]
2015-03-22 18:03   ` De Lara Guarch, Pablo
2015-05-04 21:46 Pablo de Lara
2015-05-05 11:28 ` De Lara Guarch, Pablo

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=1426891155.RSIx7FYEKj@xps13 \
    --to=thomas.monjalon@6wind.com \
    --cc=dev@dpdk.org \
    --cc=pablo.de.lara.guarch@intel.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

DPDK patches and discussions

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ https://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git