From 3cfa856d6d43894ebffdc28d2f0587595280893b Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 22 Apr 2010 15:48:17 -0700 Subject: [PATCH] niu: Add skb->rxhash support. Signed-off-by: David S. Miller --- drivers/net/niu.c | 52 ++++++++++++++++++++++++++++++++++++----------- drivers/net/niu.h | 7 +++++-- 2 files changed, 45 insertions(+), 14 deletions(-) diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 493e25cf1014..30abb4e436f1 100644 --- 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 3bd0b5933d59..d6715465f35d 100644 --- 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. */ -- 2.20.1