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Message-ID: <20141214192351.GA1850@nanopsycho.orion>
Date: Sun, 14 Dec 2014 20:23:51 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: Or Gerlitz <ogerlitz@...lanox.com>
Cc: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
gospo@...ulusnetworks.com, jhs@...atatu.com,
john.r.fastabend@...el.com
Subject: Re: [PATCH net] net: Disallow providing non zero VLAN ID for NIC
drivers FDB add flow
Sun, Dec 14, 2014 at 05:19:05PM CET, ogerlitz@...lanox.com wrote:
>The current implementations all use dev_uc_add_excl() and such whose API
>doesn't support vlans, so we can't make it with NICs HW for now.
>
>Fixes: f6f6424ba773 ('net: make vid as a parameter for ndo_fdb_add/ndo_fdb_del')
Maybe I'm missing something, but this commit did not introduce the
problem. If was there already before when NDA_VLAN was set and ignored.
But other than this. I like the patch
Reviewed-by: Jiri Pirko <jiri@...nulli.us>
>Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
>---
> drivers/net/ethernet/intel/i40e/i40e_main.c | 5 +++++
> net/core/rtnetlink.c | 5 +++++
> 2 files changed, 10 insertions(+), 0 deletions(-)
>
>diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
>index 0a7ea4c..a5f2660 100644
>--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
>+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
>@@ -7549,6 +7549,11 @@ static int i40e_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
> if (!(pf->flags & I40E_FLAG_SRIOV_ENABLED))
> return -EOPNOTSUPP;
>
>+ if (vid) {
>+ pr_info("%s: vlans aren't supported yet for dev_uc|mc_add()\n", dev->name);
>+ return -EINVAL;
>+ }
>+
> /* Hardware does not support aging addresses so if a
> * ndm_state is given only allow permanent addresses
> */
>diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
>index d06107d..9cf6fe9 100644
>--- a/net/core/rtnetlink.c
>+++ b/net/core/rtnetlink.c
>@@ -2368,6 +2368,11 @@ int ndo_dflt_fdb_add(struct ndmsg *ndm,
> return err;
> }
>
>+ if (vid) {
>+ pr_info("%s: vlans aren't supported yet for dev_uc|mc_add()\n", dev->name);
>+ return err;
>+ }
>+
> if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr))
> err = dev_uc_add_excl(dev, addr);
> else if (is_multicast_ether_addr(addr))
>--
>1.7.1
>
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