On Mon, Dec 7, 2015 at 3:42 PM, Haggai Eran <[email protected]> wrote:
> On 12/03/2015 03:47 PM, Matan Barak wrote:
>> +static int addr_resolve_neigh(struct dst_entry *dst,
>> + const struct sockaddr *dst_in,
>> + struct rdma_dev_addr *addr)
>> +{
>> + if (dst->dev->flags & IFF_LOOPBACK) {
>> + int ret;
>> +
>> + ret = rdma_translate_ip(dst_in, addr, NULL);
>> + if (!ret)
>> + memcpy(addr->dst_dev_addr, addr->src_dev_addr,
>> + MAX_ADDR_LEN);
>> +
>> + return ret;
>> + }
>> +
>> + /* If the device does ARP internally */
> You mean "doesn't do ARP internally" right?
>
Correct, nice catch :)
>> + if (!(dst->dev->flags & IFF_NOARP)) {
>> + const struct sockaddr_in *dst_in4 =
>> + (const struct sockaddr_in *)dst_in;
>> + const struct sockaddr_in6 *dst_in6 =
>> + (const struct sockaddr_in6 *)dst_in;
>> +
>> + return dst_fetch_ha(dst, addr,
>> + dst_in->sa_family == AF_INET ?
>> + (const void *)&dst_in4->sin_addr.s_addr :
>> + (const void *)&dst_in6->sin6_addr);
>> + }
>> +
>> + return rdma_copy_addr(addr, dst->dev, NULL);
>> +}
>
>> +int rdma_resolve_ip_route(struct sockaddr *src_addr,
>> + const struct sockaddr *dst_addr,
>> + struct rdma_dev_addr *addr)
>> +{
>> + struct sockaddr_storage ssrc_addr;
>> + struct sockaddr *src_in = (struct sockaddr *)&ssrc_addr;
>> +
>> + if (src_addr->sa_family != dst_addr->sa_family)
>> + return -EINVAL;
>> +
>> + if (src_addr)
>> + memcpy(src_in, src_addr, rdma_addr_size(src_addr));
>> + else
>> + src_in->sa_family = dst_addr->sa_family;
> Don't you need to clear the rest of src_in? I believe you pass
> uninitialized memory to it.
>
Correct, I'll fix that.
>> +
>> + return addr_resolve(src_in, dst_addr, addr, false);
>> +}
>> +EXPORT_SYMBOL(rdma_resolve_ip_route);
>
> Haggai
Thanks for taking a look.
Matan
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