From: wenxu@ucloud.cn
To: pablo@netfilter.org
Cc: netfilter-devel@vger.kernel.org
Subject: [PATCH nf-next v6 1/8] netfilter: nft_tunnel: add nft_tunnel_mode_validate function
Date: Fri, 13 Sep 2019 23:03:03 +0800 [thread overview]
Message-ID: <1568386990-29660-2-git-send-email-wenxu@ucloud.cn> (raw)
In-Reply-To: <1568386990-29660-1-git-send-email-wenxu@ucloud.cn>
From: wenxu <wenxu@ucloud.cn>
Move mode validate common code to nft_tunnel_mode_validate
function.
Signed-off-by: wenxu <wenxu@ucloud.cn>
---
net/netfilter/nft_tunnel.c | 25 +++++++++++++++----------
1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index 3d4c2ae..78b6e8f 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -18,6 +18,19 @@ struct nft_tunnel {
enum nft_tunnel_mode mode:8;
};
+static bool nft_tunnel_mode_validate(enum nft_tunnel_mode priv_mode,
+ u8 tun_mode)
+{
+ if (priv_mode == NFT_TUNNEL_MODE_NONE ||
+ (priv_mode == NFT_TUNNEL_MODE_RX &&
+ !(tun_mode & IP_TUNNEL_INFO_TX)) ||
+ (priv_mode == NFT_TUNNEL_MODE_TX &&
+ (tun_mode & IP_TUNNEL_INFO_TX)))
+ return true;
+
+ return false;
+}
+
static void nft_tunnel_get_eval(const struct nft_expr *expr,
struct nft_regs *regs,
const struct nft_pktinfo *pkt)
@@ -34,11 +47,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr,
nft_reg_store8(dest, false);
return;
}
- if (priv->mode == NFT_TUNNEL_MODE_NONE ||
- (priv->mode == NFT_TUNNEL_MODE_RX &&
- !(tun_info->mode & IP_TUNNEL_INFO_TX)) ||
- (priv->mode == NFT_TUNNEL_MODE_TX &&
- (tun_info->mode & IP_TUNNEL_INFO_TX)))
+ if (nft_tunnel_mode_validate(priv->mode, tun_info->mode))
nft_reg_store8(dest, true);
else
nft_reg_store8(dest, false);
@@ -48,11 +57,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr,
regs->verdict.code = NFT_BREAK;
return;
}
- if (priv->mode == NFT_TUNNEL_MODE_NONE ||
- (priv->mode == NFT_TUNNEL_MODE_RX &&
- !(tun_info->mode & IP_TUNNEL_INFO_TX)) ||
- (priv->mode == NFT_TUNNEL_MODE_TX &&
- (tun_info->mode & IP_TUNNEL_INFO_TX)))
+ if (nft_tunnel_mode_validate(priv->mode, tun_info->mode))
*dest = ntohl(tunnel_id_to_key32(tun_info->key.tun_id));
else
regs->verdict.code = NFT_BREAK;
--
1.8.3.1
next prev parent reply other threads:[~2019-09-13 15:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-13 15:03 [PATCH nf-next v6 0/8] netfilter: nf_tables_offload: support tunnel offload wenxu
2019-09-13 15:03 ` wenxu [this message]
2019-09-13 15:03 ` [PATCH nf-next v6 2/8] netfilter: nft_tunnel: support NFT_TUNNEL_IP_SRC/DST match wenxu
2019-09-13 15:03 ` [PATCH nf-next v6 3/8] netfilter: nft_tunnel: add ipv6 check in nft_tunnel_mode_validate wenxu
2019-09-13 15:03 ` [PATCH nf-next v6 4/8] netfilter: nft_tunnel: support NFT_TUNNEL_IP6_SRC/DST match wenxu
2019-09-13 15:03 ` [PATCH nf-next v6 5/8] netfilter: nft_tunnel: support tunnel meta match offload wenxu
2019-09-13 15:03 ` [PATCH nf-next v6 6/8] netfilter: nft_tunnel: add NFTA_TUNNEL_KEY_RELEASE action wenxu
2019-09-13 15:03 ` [PATCH nf-next v6 7/8] netfilter: nft_objref: add nft_objref_type offload wenxu
2019-09-13 15:03 ` [PATCH nf-next v6 8/8] netfilter: nft_tunnel: support nft_tunnel_obj offload wenxu
2019-09-18 8:02 ` [PATCH nf-next v6 0/8] netfilter: nf_tables_offload: support tunnel offload wenxu
2019-09-19 9:15 ` Pablo Neira Ayuso
2019-10-08 5:41 ` wenxu
2019-10-24 9:40 ` wenxu
-- strict thread matches above, loose matches on Subject: below --
2019-09-08 14:22 wenxu
2019-09-08 14:22 ` [PATCH nf-next v6 1/8] netfilter: nft_tunnel: add nft_tunnel_mode_validate function wenxu
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