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Date: Sat, 01 Dec 2012 05:02:50 +0800
From: kbuild test robot <fengguang.wu@...el.com>
To: Andrew Gallatin <gallatin@...i.com>
Cc: netdev@...r.kernel.org
Subject: [net-next:master 98/98]
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1286:34: sparse: cast to
restricted __be16
tree: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head: 1b4c44e6369dbbafd113f1e00b406f1eda5ab5b2
commit: 1b4c44e6369dbbafd113f1e00b406f1eda5ab5b2 [98/98] myri10ge: Add vlan rx for better GRO perf.
sparse warnings:
+ drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1286:34: sparse: cast to restricted __be16
+ drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1286:34: sparse: cast to restricted __be16
+ drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1286:34: sparse: cast to restricted __be16
+ drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1286:34: sparse: cast to restricted __be16
+ drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1286:16: sparse: restricted __be16 degrades to integer
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1888:16: sparse: incorrect type in argument 1 (different base types)
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1888:16: expected unsigned int [unsigned] val
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1888:16: got restricted __be32 [usertype] <noident>
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2334:24: sparse: incorrect type in assignment (different address spaces)
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2334:24: expected unsigned char [usertype] *itable
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2334:24: got unsigned char [noderef] [usertype] <asn:2>*
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2336:48: sparse: incorrect type in argument 2 (different address spaces)
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2336:48: expected void volatile [noderef] <asn:2>*addr
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2336:48: got unsigned char [usertype] *
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:2760:60: sparse: dubious: x & !y
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3839:13: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3839:13: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3839:13: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3839:13: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3839:13: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3839:13: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3841:26: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3841:26: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3841:26: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3841:26: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3841:26: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:3841:26: sparse: cast to restricted __be32
drivers/net/ethernet/myricom/myri10ge/myri10ge.c:1434:35: sparse: context imbalance in 'myri10ge_intr' - different lock contexts for basic block
vim +1286 drivers/net/ethernet/myricom/myri10ge/myri10ge.c
1b4c44e6 Andrew Gallatin 2012-11-30 1270 * the tag ourselves to be able to achieve GRO performance that
1b4c44e6 Andrew Gallatin 2012-11-30 1271 * is comparable to LRO.
1b4c44e6 Andrew Gallatin 2012-11-30 1272 */
1b4c44e6 Andrew Gallatin 2012-11-30 1273
1b4c44e6 Andrew Gallatin 2012-11-30 1274 static inline void
1b4c44e6 Andrew Gallatin 2012-11-30 1275 myri10ge_vlan_rx(struct net_device *dev, void *addr, struct sk_buff *skb)
1b4c44e6 Andrew Gallatin 2012-11-30 1276 {
1b4c44e6 Andrew Gallatin 2012-11-30 1277 u8 *va;
1b4c44e6 Andrew Gallatin 2012-11-30 1278 struct vlan_ethhdr *veh;
1b4c44e6 Andrew Gallatin 2012-11-30 1279 struct skb_frag_struct *frag;
1b4c44e6 Andrew Gallatin 2012-11-30 1280 __wsum vsum;
1b4c44e6 Andrew Gallatin 2012-11-30 1281
1b4c44e6 Andrew Gallatin 2012-11-30 1282 va = addr;
1b4c44e6 Andrew Gallatin 2012-11-30 1283 va += MXGEFW_PAD;
1b4c44e6 Andrew Gallatin 2012-11-30 1284 veh = (struct vlan_ethhdr *)va;
1b4c44e6 Andrew Gallatin 2012-11-30 1285 if ((dev->features & NETIF_F_HW_VLAN_RX) == NETIF_F_HW_VLAN_RX &&
1b4c44e6 Andrew Gallatin 2012-11-30 @1286 veh->h_vlan_proto == ntohs(ETH_P_8021Q)) {
1b4c44e6 Andrew Gallatin 2012-11-30 1287 /* fixup csum if needed */
1b4c44e6 Andrew Gallatin 2012-11-30 1288 if (skb->ip_summed == CHECKSUM_COMPLETE) {
1b4c44e6 Andrew Gallatin 2012-11-30 1289 vsum = csum_partial(va + ETH_HLEN, VLAN_HLEN, 0);
1b4c44e6 Andrew Gallatin 2012-11-30 1290 skb->csum = csum_sub(skb->csum, vsum);
1b4c44e6 Andrew Gallatin 2012-11-30 1291 }
1b4c44e6 Andrew Gallatin 2012-11-30 1292 /* pop tag */
1b4c44e6 Andrew Gallatin 2012-11-30 1293 __vlan_hwaccel_put_tag(skb, ntohs(veh->h_vlan_TCI));
1b4c44e6 Andrew Gallatin 2012-11-30 1294 memmove(va + VLAN_HLEN, va, 2 * ETH_ALEN);
---
0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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