On Wed, May 24, 2017 at 7:35 PM, David Ahern <[email protected]> wrote:
> Since you have to do a v2 ...
>
> On 5/24/17 12:19 PM, Roopa Prabhu wrote:
>> @@ -3622,6 +3623,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb,
>> struct nlmsghdr *nlh,
>> memset(&fl6, 0, sizeof(fl6));
>> rtm = nlmsg_data(nlh);
>> fl6.flowlabel = ip6_make_flowinfo(rtm->rtm_tos, 0);
>> + fibmatch = (rtm->rtm_flags & RTM_F_FIB_MATCH) ? true : false;
> this is typically done as !!(rtm->rtm_flags & RTM_F_FIB_MATCH)
ack,
>>
>> if (tb[RTA_SRC]) {
>> if (nla_len(tb[RTA_SRC]) < sizeof(struct in6_addr))
>> @@ -3667,12 +3669,27 @@ static int inet6_rtm_getroute(struct sk_buff
>> *in_skb, struct nlmsghdr *nlh,
>> if (!ipv6_addr_any(&fl6.saddr))
>> flags |= RT6_LOOKUP_F_HAS_SADDR;
>>
>> - rt = (struct rt6_info *)ip6_route_input_lookup(net, dev, &fl6,
>> - flags);
>> + if (!fibmatch)
>> + rt = (struct rt6_info *)ip6_route_input_lookup(net,
>> dev,
>> + &fl6,
>> + flags);
>> } else {
>> fl6.flowi6_oif = oif;
>>
>> - rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl6);
>> + if (!fibmatch)
>> + rt = (struct rt6_info *)ip6_route_output_flags(net,
>> + NULL,
>> + &fl6,
>> 0);
>> + }
>> +
>> + if (fibmatch) {
>> + rt = (struct rt6_info *)ip6_route_lookup(net, &fl6, 0);
>> + if (rt->dst.error) {
>> + err = rt->dst.error;
>> + ip6_rt_put(rt);
>> + goto errout;
>> + }
>> +
>
> I'd prefer to see the typecasts go away and use container_of to go from
> dst_entry to rt6_info. I realize some of this is movement of existing
> code, but better to clean up as we go.
>
ack. But that is pretty much all of ipv6 code. so, seems better done
with an incremental cleanup patch.
thanks for the review.
