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Message-ID: <47ca27c8-b1c4-1566-c6e2-e3323babb2b1@nvidia.com> Date: Thu, 16 Feb 2023 21:28:32 +0800 From: Gavin Li <gavinl@...dia.com> To: Paolo Abeni <pabeni@...hat.com>, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, roopa@...dia.com, eng.alaamohamedsoliman.am@...il.com, bigeasy@...utronix.de Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Gavi Teitz <gavi@...dia.com>, Roi Dayan <roid@...dia.com>, Maor Dickman <maord@...dia.com>, Saeed Mahameed <saeedm@...dia.com> Subject: Re: [PATCH net-next v2 1/3] vxlan: Expose helper vxlan_build_gbp_hdr On 2/16/2023 7:57 PM, Paolo Abeni wrote: > External email: Use caution opening links or attachments > > > On Wed, 2023-02-15 at 11:41 +0200, Gavin Li wrote: >> vxlan_build_gbp_hdr will be used by other modules to build gbp option in >> vxlan header according to gbp flags. >> >> Signed-off-by: Gavin Li <gavinl@...dia.com> >> Reviewed-by: Gavi Teitz <gavi@...dia.com> >> Reviewed-by: Roi Dayan <roid@...dia.com> >> Reviewed-by: Maor Dickman <maord@...dia.com> >> Acked-by: Saeed Mahameed <saeedm@...dia.com> >> --- >> drivers/net/vxlan/vxlan_core.c | 20 -------------------- >> include/net/vxlan.h | 20 ++++++++++++++++++++ >> 2 files changed, 20 insertions(+), 20 deletions(-) >> >> diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c >> index b1b179effe2a..bd44467a5a39 100644 >> --- a/drivers/net/vxlan/vxlan_core.c >> +++ b/drivers/net/vxlan/vxlan_core.c >> @@ -2140,26 +2140,6 @@ static bool route_shortcircuit(struct net_device *dev, struct sk_buff *skb) >> return false; >> } >> >> -static void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, u32 vxflags, >> - struct vxlan_metadata *md) >> -{ >> - struct vxlanhdr_gbp *gbp; >> - >> - if (!md->gbp) >> - return; >> - >> - gbp = (struct vxlanhdr_gbp *)vxh; >> - vxh->vx_flags |= VXLAN_HF_GBP; >> - >> - if (md->gbp & VXLAN_GBP_DONT_LEARN) >> - gbp->dont_learn = 1; >> - >> - if (md->gbp & VXLAN_GBP_POLICY_APPLIED) >> - gbp->policy_applied = 1; >> - >> - gbp->policy_id = htons(md->gbp & VXLAN_GBP_ID_MASK); >> -} >> - >> static int vxlan_build_gpe_hdr(struct vxlanhdr *vxh, u32 vxflags, >> __be16 protocol) >> { >> diff --git a/include/net/vxlan.h b/include/net/vxlan.h >> index bca5b01af247..02b01a6034a2 100644 >> --- a/include/net/vxlan.h >> +++ b/include/net/vxlan.h >> @@ -566,4 +566,24 @@ static inline bool vxlan_fdb_nh_path_select(struct nexthop *nh, >> return true; >> } >> >> +static inline void vxlan_build_gbp_hdr(struct vxlanhdr *vxh, u32 vxflags, >> + const struct vxlan_metadata *md) > Calling this helper causes a warning on patch 3 due to different types > for the 2nd argument. The warning could be addressed there with an > explicit cast but it looks like 'vxflags' is not used at all here. > > I suggest to add a preparation patch dropping such argument (and the > same for vxlan_build_gpe_hdr(), still in the same patch), should be > cleaner. ACK > > Thanks, > > Paolo >
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