tg3: Use new VLAN code

This patch pivots the tg3 driver to the new VLAN infrastructure.
All references to vlgrp have been removed.  The driver still attempts to
disable VLAN tag stripping if CONFIG_VLAN_8021Q or
CONFIG_VLAN_8021Q_MODULE is not defined.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index d6d081716af0ff2354818787c73e3d4d195ff252..d4b29f4240857f25c7df9b97c81b7ba64a4f7887 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -60,12 +60,6 @@
 #define BAR_0  0
 #define BAR_2  2
 
-#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
-#define TG3_VLAN_TAG_USED 1
-#else
-#define TG3_VLAN_TAG_USED 0
-#endif
-
 #include "tg3.h"
 
 #define DRV_MODULE_NAME                "tg3"
@@ -134,9 +128,6 @@
                                 TG3_TX_RING_SIZE)
 #define NEXT_TX(N)             (((N) + 1) & (TG3_TX_RING_SIZE - 1))
 
-#define TG3_RX_DMA_ALIGN               16
-#define TG3_RX_HEADROOM                        ALIGN(VLAN_HLEN, TG3_RX_DMA_ALIGN)
-
 #define TG3_DMA_BYTE_ENAB              64
 
 #define TG3_RX_STD_DMA_SZ              1536
@@ -4722,8 +4713,6 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
                struct sk_buff *skb;
                dma_addr_t dma_addr;
                u32 opaque_key, desc_idx, *post_ptr;
-               bool hw_vlan __maybe_unused = false;
-               u16 vtag __maybe_unused = 0;
 
                desc_idx = desc->opaque & RXD_OPAQUE_INDEX_MASK;
                opaque_key = desc->opaque & RXD_OPAQUE_RING_MASK;
@@ -4782,12 +4771,12 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
                        tg3_recycle_rx(tnapi, tpr, opaque_key,
                                       desc_idx, *post_ptr);
 
-                       copy_skb = netdev_alloc_skb(tp->dev, len + VLAN_HLEN +
+                       copy_skb = netdev_alloc_skb(tp->dev, len +
                                                    TG3_RAW_IP_ALIGN);
                        if (copy_skb == NULL)
                                goto drop_it_no_recycle;
 
-                       skb_reserve(copy_skb, TG3_RAW_IP_ALIGN + VLAN_HLEN);
+                       skb_reserve(copy_skb, TG3_RAW_IP_ALIGN);
                        skb_put(copy_skb, len);
                        pci_dma_sync_single_for_cpu(tp->pdev, dma_addr, len, PCI_DMA_FROMDEVICE);
                        skb_copy_from_linear_data(skb, copy_skb->data, len);
@@ -4814,30 +4803,11 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget)
                }
 
                if (desc->type_flags & RXD_FLAG_VLAN &&
-                   !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) {
-                       vtag = desc->err_vlan & RXD_VLAN_MASK;
-#if TG3_VLAN_TAG_USED
-                       if (tp->vlgrp)
-                               hw_vlan = true;
-                       else
-#endif
-                       {
-                               struct vlan_ethhdr *ve = (struct vlan_ethhdr *)
-                                                   __skb_push(skb, VLAN_HLEN);
-
-                               memmove(ve, skb->data + VLAN_HLEN,
-                                       ETH_ALEN * 2);
-                               ve->h_vlan_proto = htons(ETH_P_8021Q);
-                               ve->h_vlan_TCI = htons(vtag);
-                       }
-               }
+                   !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG))
+                       __vlan_hwaccel_put_tag(skb,
+                                              desc->err_vlan & RXD_VLAN_MASK);
 
-#if TG3_VLAN_TAG_USED
-               if (hw_vlan)
-                       vlan_gro_receive(&tnapi->napi, tp->vlgrp, vtag, skb);
-               else
-#endif
-                       napi_gro_receive(&tnapi->napi, skb);
+               napi_gro_receive(&tnapi->napi, skb);
 
                received++;
                budget--;
@@ -5740,11 +5710,9 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb,
                base_flags |= TXD_FLAG_TCPUDP_CSUM;
        }
 
-#if TG3_VLAN_TAG_USED
        if (vlan_tx_tag_present(skb))
                base_flags |= (TXD_FLAG_VLAN |
                               (vlan_tx_tag_get(skb) << 16));
-#endif
 
        len = skb_headlen(skb);
 
@@ -5986,11 +5954,10 @@ static netdev_tx_t tg3_start_xmit_dma_bug(struct sk_buff *skb,
                        }
                }
        }
-#if TG3_VLAN_TAG_USED
+
        if (vlan_tx_tag_present(skb))
                base_flags |= (TXD_FLAG_VLAN |
                               (vlan_tx_tag_get(skb) << 16));
-#endif
 
        if ((tp->tg3_flags3 & TG3_FLG3_USE_JUMBO_BDFLAG) &&
            !mss && skb->len > VLAN_ETH_FRAME_LEN)
@@ -9537,17 +9504,10 @@ static void __tg3_set_rx_mode(struct net_device *dev)
        rx_mode = tp->rx_mode & ~(RX_MODE_PROMISC |
                                  RX_MODE_KEEP_VLAN_TAG);
 
+#if !defined(CONFIG_VLAN_8021Q) && !defined(CONFIG_VLAN_8021Q_MODULE)
        /* When ASF is in use, we always keep the RX_MODE_KEEP_VLAN_TAG
         * flag clear.
         */
-#if TG3_VLAN_TAG_USED
-       if (!tp->vlgrp &&
-           !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
-               rx_mode |= RX_MODE_KEEP_VLAN_TAG;
-#else
-       /* By definition, VLAN is disabled always in this
-        * case.
-        */
        if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
                rx_mode |= RX_MODE_KEEP_VLAN_TAG;
 #endif
@@ -11235,31 +11195,6 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
        return -EOPNOTSUPP;
 }
 
-#if TG3_VLAN_TAG_USED
-static void tg3_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
-{
-       struct tg3 *tp = netdev_priv(dev);
-
-       if (!netif_running(dev)) {
-               tp->vlgrp = grp;
-               return;
-       }
-
-       tg3_netif_stop(tp);
-
-       tg3_full_lock(tp, 0);
-
-       tp->vlgrp = grp;
-
-       /* Update RX_MODE_KEEP_VLAN_TAG bit in RX_MODE register. */
-       __tg3_set_rx_mode(dev);
-
-       tg3_netif_start(tp);
-
-       tg3_full_unlock(tp);
-}
-#endif
-
 static int tg3_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
 {
        struct tg3 *tp = netdev_priv(dev);
@@ -13071,9 +13006,7 @@ static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
 
 static void inline vlan_features_add(struct net_device *dev, unsigned long flags)
 {
-#if TG3_VLAN_TAG_USED
        dev->vlan_features |= flags;
-#endif
 }
 
 static inline u32 tg3_rx_ret_ring_size(struct tg3 *tp)
@@ -13835,11 +13768,11 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
        else
                tp->tg3_flags &= ~TG3_FLAG_POLL_SERDES;
 
-       tp->rx_offset = NET_IP_ALIGN + TG3_RX_HEADROOM;
+       tp->rx_offset = NET_IP_ALIGN;
        tp->rx_copy_thresh = TG3_RX_COPY_THRESHOLD;
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701 &&
            (tp->tg3_flags & TG3_FLAG_PCIX_MODE) != 0) {
-               tp->rx_offset -= NET_IP_ALIGN;
+               tp->rx_offset = 0;
 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
                tp->rx_copy_thresh = ~(u16)0;
 #endif
@@ -14603,9 +14536,6 @@ static const struct net_device_ops tg3_netdev_ops = {
        .ndo_do_ioctl           = tg3_ioctl,
        .ndo_tx_timeout         = tg3_tx_timeout,
        .ndo_change_mtu         = tg3_change_mtu,
-#if TG3_VLAN_TAG_USED
-       .ndo_vlan_rx_register   = tg3_vlan_rx_register,
-#endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller    = tg3_poll_controller,
 #endif
@@ -14622,9 +14552,6 @@ static const struct net_device_ops tg3_netdev_ops_dma_bug = {
        .ndo_do_ioctl           = tg3_ioctl,
        .ndo_tx_timeout         = tg3_tx_timeout,
        .ndo_change_mtu         = tg3_change_mtu,
-#if TG3_VLAN_TAG_USED
-       .ndo_vlan_rx_register   = tg3_vlan_rx_register,
-#endif
 #ifdef CONFIG_NET_POLL_CONTROLLER
        .ndo_poll_controller    = tg3_poll_controller,
 #endif
@@ -14674,9 +14601,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 
        SET_NETDEV_DEV(dev, &pdev->dev);
 
-#if TG3_VLAN_TAG_USED
        dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
-#endif
 
        tp = netdev_priv(dev);
        tp->pdev = pdev;

diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 52ae6441af75c1df940c0d8ae66906945a4d5240..fc8ecdd7c859c6bbf281d73d7bfdf4e30b2f6d27 100644 (file)
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2813,9 +2813,6 @@ struct tg3 {
        u32                             rx_std_max_post;
        u32                             rx_offset;
        u32                             rx_pkt_map_sz;
-#if TG3_VLAN_TAG_USED
-       struct vlan_group               *vlgrp;
-#endif
 
 
        /* begin "everything else" cacheline(s) section */