niu: Add skb->rxhash support.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 493e25c..30abb4e 100644 (file)
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -36,8 +36,8 @@
 #include "niu.h"
 
 #define DRV_MODULE_NAME                "niu"
-#define DRV_MODULE_VERSION     "1.0"
-#define DRV_MODULE_RELDATE     "Nov 14, 2008"
+#define DRV_MODULE_VERSION     "1.1"
+#define DRV_MODULE_RELDATE     "Apr 22, 2010"
 
 static char version[] __devinitdata =
        DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
@@ -3444,6 +3444,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
                              struct rx_ring_info *rp)
 {
        unsigned int index = rp->rcr_index;
+       struct rx_pkt_hdr1 *rh;
        struct sk_buff *skb;
        int len, num_rcr;
 
@@ -3477,9 +3478,6 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
                if (num_rcr == 1) {
                        int ptype;
 
-                       off += 2;
-                       append_size -= 2;
-
                        ptype = (val >> RCR_ENTRY_PKT_TYPE_SHIFT);
                        if ((ptype == RCR_PKT_TYPE_TCP ||
                             ptype == RCR_PKT_TYPE_UDP) &&
@@ -3488,8 +3486,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
                                skb->ip_summed = CHECKSUM_UNNECESSARY;
                        else
                                skb->ip_summed = CHECKSUM_NONE;
-               }
-               if (!(val & RCR_ENTRY_MULTI))
+               } else if (!(val & RCR_ENTRY_MULTI))
                        append_size = len - skb->len;
 
                niu_rx_skb_append(skb, page, off, append_size);
@@ -3510,8 +3507,17 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
        }
        rp->rcr_index = index;
 
-       skb_reserve(skb, NET_IP_ALIGN);
-       __pskb_pull_tail(skb, min(len, VLAN_ETH_HLEN));
+       len += sizeof(*rh);
+       len = min_t(int, len, sizeof(*rh) + VLAN_ETH_HLEN);
+       __pskb_pull_tail(skb, len);
+
+       rh = (struct rx_pkt_hdr1 *) skb->data;
+       if (np->dev->features & NETIF_F_RXHASH)
+               skb->rxhash = ((u32)rh->hashval2_0 << 24 |
+                              (u32)rh->hashval2_1 << 16 |
+                              (u32)rh->hashval1_1 << 8 |
+                              (u32)rh->hashval1_2 << 0);
+       skb_pull(skb, sizeof(*rh));
 
        rp->rx_packets++;
        rp->rx_bytes += skb->len;
@@ -4946,7 +4952,9 @@ static int niu_init_one_rx_channel(struct niu *np, struct rx_ring_info *rp)
              RX_DMA_CTL_STAT_RCRTO |
              RX_DMA_CTL_STAT_RBR_EMPTY));
        nw64(RXDMA_CFIG1(channel), rp->mbox_dma >> 32);
-       nw64(RXDMA_CFIG2(channel), (rp->mbox_dma & 0x00000000ffffffc0));
+       nw64(RXDMA_CFIG2(channel),
+            ((rp->mbox_dma & RXDMA_CFIG2_MBADDR_L) |
+             RXDMA_CFIG2_FULL_HDR));
        nw64(RBR_CFIG_A(channel),
             ((u64)rp->rbr_table_size << RBR_CFIG_A_LEN_SHIFT) |
             (rp->rbr_dma & (RBR_CFIG_A_STADDR_BASE | RBR_CFIG_A_STADDR)));
@@ -7910,6 +7918,18 @@ static int niu_phys_id(struct net_device *dev, u32 data)
        return 0;
 }
 
+static int niu_set_flags(struct net_device *dev, u32 data)
+{
+       if (data & (ETH_FLAG_LRO | ETH_FLAG_NTUPLE))
+               return -EOPNOTSUPP;
+
+       if (data & ETH_FLAG_RXHASH)
+               dev->features |= NETIF_F_RXHASH;
+       else
+               dev->features &= ~NETIF_F_RXHASH;
+       return 0;
+}
+
 static const struct ethtool_ops niu_ethtool_ops = {
        .get_drvinfo            = niu_get_drvinfo,
        .get_link               = ethtool_op_get_link,
@@ -7926,6 +7946,8 @@ static const struct ethtool_ops niu_ethtool_ops = {
        .phys_id                = niu_phys_id,
        .get_rxnfc              = niu_get_nfc,
        .set_rxnfc              = niu_set_nfc,
+       .set_flags              = niu_set_flags,
+       .get_flags              = ethtool_op_get_flags,
 };
 
 static int niu_ldg_assign_ldn(struct niu *np, struct niu_parent *parent,
@@ -9754,6 +9776,12 @@ static void __devinit niu_device_announce(struct niu *np)
        }
 }
 
+static void __devinit niu_set_basic_features(struct net_device *dev)
+{
+       dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM |
+                         NETIF_F_GRO | NETIF_F_RXHASH);
+}
+
 static int __devinit niu_pci_init_one(struct pci_dev *pdev,
                                      const struct pci_device_id *ent)
 {
@@ -9838,7 +9866,7 @@ static int __devinit niu_pci_init_one(struct pci_dev *pdev,
                }
        }
 
-       dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GRO);
+       niu_set_basic_features(dev);
 
        np->regs = pci_ioremap_bar(pdev, 0);
        if (!np->regs) {
@@ -10080,7 +10108,7 @@ static int __devinit niu_of_probe(struct of_device *op,
                goto err_out_free_dev;
        }
 
-       dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM);
+       niu_set_basic_features(dev);
 
        np->regs = of_ioremap(&op->resource[1], 0,
                              resource_size(&op->resource[1]),

diff --git a/drivers/net/niu.h b/drivers/net/niu.h
index 3bd0b59..d671546 100644 (file)
--- a/drivers/net/niu.h
+++ b/drivers/net/niu.h
@@ -2706,7 +2706,7 @@ struct rx_pkt_hdr0 {
 #if defined(__LITTLE_ENDIAN_BITFIELD)
        u8      inputport:2,
                maccheck:1,
-               class:4;
+               class:5;
        u8      vlan:1,
                llcsnap:1,
                noport:1,
@@ -2715,7 +2715,7 @@ struct rx_pkt_hdr0 {
                tres:2,
                tzfvld:1;
 #elif defined(__BIG_ENDIAN_BITFIELD)
-       u8      class:4,
+       u8      class:5,
                maccheck:1,
                inputport:2;
        u8      tzfvld:1,
@@ -2775,6 +2775,9 @@ struct rx_pkt_hdr1 {
        /* Bits 7:0 of hash value, H1.  */
        u8      hashval1_2;
 
+       u8      hwrsvd5;
+       u8      hwrsvd6;
+
        u8      usrdata_0;      /* Bits 39:32 of user data.  */
        u8      usrdata_1;      /* Bits 31:24 of user data.  */
        u8      usrdata_2;      /* Bits 23:16 of user data.  */