From: David Ahern <dsahern@gmail.com>
To: Hangbin Liu <liuhangbin@gmail.com>, netdev@vger.kernel.org
Cc: David Miller <davem@davemloft.net>,
Stephen Hemminger <stephen@networkplumber.org>,
Phil Sutter <phil@nwl.cc>
Subject: Re: [PATCH net-next] geneve: fix ttl inherit type
Date: Fri, 28 Sep 2018 11:59:37 -0600 [thread overview]
Message-ID: <b4f9a3b2-34eb-351b-15d2-867c033d667e@gmail.com> (raw)
In-Reply-To: <1538096998-20937-1-git-send-email-liuhangbin@gmail.com>
On 9/27/18 7:09 PM, Hangbin Liu wrote:
> Phil pointed out that there is a mismatch between vxlan and geneve ttl
> inherit. We should define it as a flag and use nla_put_flag to export this
> opiton.
>
> Fixes: 52d0d404d39dd ("geneve: add ttl inherit support")
same here .. getting an unknown commit id.
> Reported-by: Phil Sutter <phil@nwl.cc>
> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
> ---
> drivers/net/geneve.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
> index 6625fab..09ab2fd 100644
> --- a/drivers/net/geneve.c
> +++ b/drivers/net/geneve.c
> @@ -1100,7 +1100,7 @@ static const struct nla_policy geneve_policy[IFLA_GENEVE_MAX + 1] = {
> [IFLA_GENEVE_UDP_CSUM] = { .type = NLA_U8 },
> [IFLA_GENEVE_UDP_ZERO_CSUM6_TX] = { .type = NLA_U8 },
> [IFLA_GENEVE_UDP_ZERO_CSUM6_RX] = { .type = NLA_U8 },
> - [IFLA_GENEVE_TTL_INHERIT] = { .type = NLA_U8 },
> + [IFLA_GENEVE_TTL_INHERIT] = { .type = NLA_FLAG },
> };
>
> static int geneve_validate(struct nlattr *tb[], struct nlattr *data[],
> @@ -1582,7 +1582,7 @@ static size_t geneve_get_size(const struct net_device *dev)
> nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_CSUM */
> nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_TX */
> nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_UDP_ZERO_CSUM6_RX */
> - nla_total_size(sizeof(__u8)) + /* IFLA_GENEVE_TTL_INHERIT */
> + nla_total_size(0) + /* IFLA_GENEVE_TTL_INHERIT */
> 0;
> }
>
> @@ -1636,7 +1636,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev)
> goto nla_put_failure;
> #endif
>
> - if (nla_put_u8(skb, IFLA_GENEVE_TTL_INHERIT, ttl_inherit))
> + if (ttl_inherit && nla_put_flag(skb, IFLA_GENEVE_TTL_INHERIT))
> goto nla_put_failure;
>
> return 0;
>
next prev parent reply other threads:[~2018-09-29 0:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-28 1:09 [PATCH net-next] geneve: fix ttl inherit type Hangbin Liu
2018-09-28 10:38 ` Phil Sutter
2018-09-28 17:59 ` David Ahern [this message]
2018-09-29 9:20 ` Hangbin Liu
2018-09-28 23:46 ` Michal Kubecek
2018-09-29 9:16 ` Hangbin Liu
2018-10-01 10:56 ` Phil Sutter
2018-09-29 15:03 ` Hangbin Liu
2018-09-29 15:06 ` [PATCHv2 net-next] geneve: allow to clear ttl inherit Hangbin Liu
2018-10-04 20:55 ` David Miller
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