tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 
master
head:   aea06eb276d99590f400c877ca2bd74b4db91330
commit: 00aebab27c8752c7420dce286270ccedc70ac39a [716/721] net/mlx5e: TLS, add 
Innova TLS rx data path
reproduce:
        # apt-get install sparse
        git checkout 00aebab27c8752c7420dce286270ccedc70ac39a
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c:329:66: sparse: 
>> incorrect type in argument 6 (different base types) @@    expected unsigned 
>> short const [unsigned] [usertype] hnum @@    got  const [unsigned] 
>> [usertype] hnum @@
   drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c:329:66:    
expected unsigned short const [unsigned] [usertype] hnum
   drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c:329:66:    got 
restricted __be16 [usertype] dest
>> include/net/tls.h:435:47: sparse: cast from restricted __be32

vim +329 drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c

   302  
   303  static int tls_update_resync_sn(struct net_device *netdev,
   304                                  struct sk_buff *skb,
   305                                  struct mlx5e_tls_metadata *mdata)
   306  {
   307          struct sock *sk = NULL;
   308          struct iphdr *iph;
   309          struct tcphdr *th;
   310          __be32 seq;
   311  
   312          if (mdata->ethertype != htons(ETH_P_IP))
   313                  return -EINVAL;
   314  
   315          iph = (struct iphdr *)(mdata + 1);
   316  
   317          th = ((void *)iph) + iph->ihl * 4;
   318  
   319          if (iph->version == 4) {
   320                  sk = inet_lookup_established(dev_net(netdev), 
&tcp_hashinfo,
   321                                               iph->saddr, th->source, 
iph->daddr,
   322                                               th->dest, netdev->ifindex);
   323  #if IS_ENABLED(CONFIG_IPV6)
   324          } else {
   325                  struct ipv6hdr *ipv6h = (struct ipv6hdr *)iph;
   326  
   327                  sk = __inet6_lookup_established(dev_net(netdev), 
&tcp_hashinfo,
   328                                                  &ipv6h->saddr, 
th->source,
 > 329                                                  &ipv6h->daddr, th->dest,
   330                                                  netdev->ifindex, 0);
   331  #endif
   332          }
   333          if (!sk || sk->sk_state == TCP_TIME_WAIT)
   334                  goto out;
   335  
   336          skb->sk = sk;
   337          skb->destructor = sock_edemux;
   338  
   339          memcpy(&seq, &mdata->content.recv.sync_seq, sizeof(seq));
   340          tls_offload_rx_resync_request(sk, seq);
   341  out:
   342          return 0;
   343  }
   344  

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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