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toa: Support net namespace bypass get toa information 

Signed-off-by: xumingzeng <xumingzeng@tencent.com>
This commit is contained in:
xumingzeng 2022-06-20 11:39:05 +08:00
parent fa5031ce3a
commit 02bc3fd8d8
1 changed files with 7 additions and 8 deletions
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15
net/toa/toa.c
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@ -855,24 +855,23 @@ static int vpc_vtoa_get(struct sk_buff *skb, struct genl_info *info)
}
req = nla_data(attrs[VTOA_ATTR_REQ]);
net = get_net_ns_by_pid(nlh->nlmsg_pid);
if (IS_ERR(net)){
TOA_INFO("get netns %u fail, if_idx:%u sip:%pI4 dip:%pI4 sport:%u dport:%u, err %ld\n",
if (skb->sk){
net = sock_net(skb->sk);
}
if (!net){
TOA_INFO("get netns %u fail, if_idx:%u sip:%pI4 dip:%pI4 sport:%u dport:%u.\n",
nlh->nlmsg_pid, req->if_idx, &req->sip, &req->dip,
ntohs(req->sport), ntohs(req->dport), PTR_ERR(net));
return PTR_ERR(net);
ntohs(req->sport), ntohs(req->dport));
return -EINVAL;
}
memset(&vinfo, 0, sizeof(vinfo));
err = vpc_inet_dump_one_sk(net, req, &vinfo);
if (err != 0){
put_net(net);
return err;
}
err = vpc_vtoa_netlink_send(net, nlh, &vinfo);
put_net(net);
TOA_DBG("pid %u req[if_idx:%u sip:%pI4 dip:%pI4 sport:%u dport:%u] info["
"vpcid:%u vmip:%pI4 sport:%u vip:%pI4 vport:%u] err:%d\n",