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Message-Id: <20240919094147.328737-3-dongml2@chinatelecom.cn>
Date: Thu, 19 Sep 2024 17:41:42 +0800
From: Menglong Dong <menglong8.dong@...il.com>
To: edumazet@...gle.com
Cc: davem@...emloft.net,
kuba@...nel.org,
pabeni@...hat.com,
dsahern@...nel.org,
steffen.klassert@...unet.com,
herbert@...dor.apana.org.au,
dongml2@...natelecom.cn,
bigeasy@...utronix.de,
toke@...hat.com,
idosch@...dia.com,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
bpf@...r.kernel.org
Subject: [RFC PATCH net-next 2/7] net: ip: add drop reason to ip_route_input_rcu()
Add the pointer of the skb drop reason to the function arguments of
ip_route_input_rcu().
Signed-off-by: Menglong Dong <dongml2@...natelecom.cn>
---
net/ipv4/route.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index f1767e0cc9d9..385efe6d71a7 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2415,7 +2415,8 @@ out: return err;
/* called with rcu_read_lock held */
static int ip_route_input_rcu(struct sk_buff *skb, __be32 daddr, __be32 saddr,
- u8 tos, struct net_device *dev, struct fib_result *res)
+ u8 tos, struct net_device *dev, struct fib_result *res,
+ enum skb_drop_reason *reason)
{
/* Multicast recognition logic is moved from route cache to here.
* The problem was that too many Ethernet cards have broken/missing
@@ -2473,7 +2474,7 @@ int ip_route_input_noref(struct sk_buff *skb, __be32 daddr, __be32 saddr,
tos &= INET_DSCP_MASK;
rcu_read_lock();
- err = ip_route_input_rcu(skb, daddr, saddr, tos, dev, &res);
+ err = ip_route_input_rcu(skb, daddr, saddr, tos, dev, &res, reason);
rcu_read_unlock();
return err;
@@ -3288,7 +3289,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh,
skb->mark = mark;
err = ip_route_input_rcu(skb, dst, src,
rtm->rtm_tos & INET_DSCP_MASK, dev,
- &res);
+ &res, NULL);
rt = skb_rtable(skb);
if (err == 0 && rt->dst.error)
--
2.39.5
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