tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 7c6c7d83d2bc788cd9aef8983afa59eae25e148e commit: c7489eeb1b4ed08f28172986d496abb02d1258f1 [6910/9610] net: hns3: support arp proxy config: arm64-randconfig-r132-20240515 (https://download.01.org/0day-ci/archive/20240515/202405151052.AH2YMcM9-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20240515/202405151052.AH2YMcM9-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202405151052.AH2YMcM9-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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drivers/net/ethernet/hisilicon/hns3/hns3_roh.c:79:53: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __be16 [usertype] vlan_tci @@ got unsigned short [usertype] vlan_tci @@ drivers/net/ethernet/hisilicon/hns3/hns3_roh.c:79:53: sparse: expected restricted __be16 [usertype] vlan_tci drivers/net/ethernet/hisilicon/hns3/hns3_roh.c:79:53: sparse: got unsigned short [usertype] vlan_tci drivers/net/ethernet/hisilicon/hns3/hns3_roh.c:128:58: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected unsigned short [usertype] vlan_tci @@ got restricted __be16 [usertype] vlan_tci @@ drivers/net/ethernet/hisilicon/hns3/hns3_roh.c:128:58: sparse: expected unsigned short [usertype] vlan_tci drivers/net/ethernet/hisilicon/hns3/hns3_roh.c:128:58: sparse: got restricted __be16 [usertype] vlan_tci drivers/net/ethernet/hisilicon/hns3/hns3_roh.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...): include/linux/page-flags.h:245:46: sparse: sparse: self-comparison always evaluates to false

vim +79 drivers/net/ethernet/hisilicon/hns3/hns3_roh.c 56 57 int hns3_handle_roh_arp_req(struct sk_buff *skb, struct hns3_nic_priv *priv) 58 { 59 struct hnae3_handle *h = priv->ae_handle; 60 struct hns3_enet_ring *ring; 61 struct arphdr *arphdr; 62 struct ethhdr *ethhdr; 63 int reply_idx, len; 64 __be32 *sip, *tip; 65 66 /* use same queue num in rx */ 67 ring = &priv->ring[skb->queue_mapping + h->kinfo.num_tqps]; 68 reply_idx = ring->arp_reply_tail; 69 reply_idx = hns3_roh_arp_reply_idx_move_fd(reply_idx); 70 /* This smp_load_acquire() pairs with smp_store_release() in 71 * hns3_handle_roh_arp_reply(). 72 */ 73 if (reply_idx == smp_load_acquire(&ring->arp_reply_head)) 74 return NETDEV_TX_BUSY; 75 len = skb->len; 76 77 if (skb_vlan_tagged(skb)) { 78 ring->arp_reply[reply_idx].has_vlan = true;

79 ring->arp_reply[reply_idx].vlan_tci = skb_vlan_tag_get(skb); 80 skb_vlan_pop(skb); 81 len += VLAN_HLEN; 82 } else { 83 ring->arp_reply[reply_idx].has_vlan = false; 84 } 85 86 ethhdr = eth_hdr(skb); 87 arphdr = arp_hdr(skb); 88 89 hns3_extract_arp_ip_field(arphdr, &sip, &tip, skb->dev->addr_len); 90 ether_addr_copy(ring->arp_reply[reply_idx].dest_hw, ethhdr->h_source); 91 ether_addr_copy(ring->arp_reply[reply_idx].src_hw, ethhdr->h_dest); 92 ring->arp_reply[reply_idx].dest_ip = *sip; 93 ring->arp_reply[reply_idx].src_ip = *tip; 94 hns3_roh_update_mac_by_ip(be32_to_cpu(*tip), 95 ring->arp_reply[reply_idx].src_hw); 96 /* This smp_store_release() pairs with smp_load_acquire() in 97 * hns3_handle_roh_arp_reply(). Ensure that the arp_reply_tail is 98 * update validly. 99 */ 100 smp_store_release(&ring->arp_reply_tail, reply_idx); 101 102 ring = &priv->ring[skb->queue_mapping]; 103 u64_stats_update_begin(&ring->syncp); 104 ring->stats.tx_pkts++; 105 ring->stats.tx_bytes += len; 106 u64_stats_update_end(&ring->syncp); 107 108 dev_kfree_skb_any(skb); 109 napi_schedule(&ring->tqp_vector->napi); 110 return NETDEV_TX_OK; 111 } 112 113 static struct sk_buff *setup_arp_reply_skb(struct hns3_arp_reply *arp_reply, 114 struct hns3_nic_priv *priv) 115 { 116 struct sk_buff *skb = arp_create(ARPOP_REPLY, ETH_P_ARP, 117 arp_reply->dest_ip, priv->netdev, 118 arp_reply->src_ip, arp_reply->dest_hw, 119 arp_reply->src_hw, arp_reply->dest_hw); 120 if (!skb) 121 return NULL; 122 123 skb_reset_mac_header(skb); 124 skb_reset_mac_len(skb); 125 126 if (arp_reply->has_vlan) { 127 skb = vlan_insert_tag_set_proto(skb, htons(ETH_P_8021Q), 128 arp_reply->vlan_tci); 129 if (!skb) 130 return NULL; 131 skb_reset_network_header(skb); 132 } 133 134 skb_reserve(skb, skb->mac_len); 135 return skb; 136 } 137

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