RDMA: iWARP Core Changes.

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / infiniband / core / addr.c

diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index d294bbc42f091792468a265fff603c4f1916c2ee..9cbf09e2052f87d5845b41a3d348f129f7f5250d 100644 (file)
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -35,6 +35,7 @@
 #include <net/arp.h>
 #include <net/neighbour.h>
 #include <net/route.h>
+#include <net/netevent.h>
 #include <rdma/ib_addr.h>
 
 MODULE_AUTHOR("Sean Hefty");
@@ -60,12 +61,15 @@ static LIST_HEAD(req_list);
 static DECLARE_WORK(work, process_req, NULL);
 static struct workqueue_struct *addr_wq;
 
-static int copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
-                    unsigned char *dst_dev_addr)
+int rdma_copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
+                    const unsigned char *dst_dev_addr)
 {
        switch (dev->type) {
        case ARPHRD_INFINIBAND:
-               dev_addr->dev_type = IB_NODE_CA;
+               dev_addr->dev_type = RDMA_NODE_IB_CA;
+               break;
+       case ARPHRD_ETHER:
+               dev_addr->dev_type = RDMA_NODE_RNIC;
                break;
        default:
                return -EADDRNOTAVAIL;
@@ -77,6 +81,7 @@ static int copy_addr(struct rdma_dev_addr *dev_addr, struct net_device *dev,
                memcpy(dev_addr->dst_dev_addr, dst_dev_addr, MAX_ADDR_LEN);
        return 0;
 }
+EXPORT_SYMBOL(rdma_copy_addr);
 
 int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
 {
@@ -88,7 +93,7 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr)
        if (!dev)
                return -EADDRNOTAVAIL;
 
-       ret = copy_addr(dev_addr, dev, NULL);
+       ret = rdma_copy_addr(dev_addr, dev, NULL);
        dev_put(dev);
        return ret;
 }
@@ -160,7 +165,7 @@ static int addr_resolve_remote(struct sockaddr_in *src_in,
 
        /* If the device does ARP internally, return 'done' */
        if (rt->idev->dev->flags & IFF_NOARP) {
-               copy_addr(addr, rt->idev->dev, NULL);
+               rdma_copy_addr(addr, rt->idev->dev, NULL);
                goto put;
        }
 
@@ -180,7 +185,7 @@ static int addr_resolve_remote(struct sockaddr_in *src_in,
                src_in->sin_addr.s_addr = rt->rt_src;
        }
 
-       ret = copy_addr(addr, neigh->dev, neigh->ha);
+       ret = rdma_copy_addr(addr, neigh->dev, neigh->ha);
 release:
        neigh_release(neigh);
 put:
@@ -244,7 +249,7 @@ static int addr_resolve_local(struct sockaddr_in *src_in,
        if (ZERONET(src_ip)) {
                src_in->sin_family = dst_in->sin_family;
                src_in->sin_addr.s_addr = dst_ip;
-               ret = copy_addr(addr, dev, dev->dev_addr);
+               ret = rdma_copy_addr(addr, dev, dev->dev_addr);
        } else if (LOOPBACK(src_ip)) {
                ret = rdma_translate_ip((struct sockaddr *)dst_in, addr);
                if (!ret)
@@ -326,25 +331,22 @@ void rdma_addr_cancel(struct rdma_dev_addr *addr)
 }
 EXPORT_SYMBOL(rdma_addr_cancel);
 
-static int addr_arp_recv(struct sk_buff *skb, struct net_device *dev,
-                        struct packet_type *pkt, struct net_device *orig_dev)
+static int netevent_callback(struct notifier_block *self, unsigned long event,
+       void *ctx)
 {
-       struct arphdr *arp_hdr;
-
-       arp_hdr = (struct arphdr *) skb->nh.raw;
-
-       if (arp_hdr->ar_op == htons(ARPOP_REQUEST) ||
-           arp_hdr->ar_op == htons(ARPOP_REPLY))
-               set_timeout(jiffies);
+       if (event == NETEVENT_NEIGH_UPDATE) {
+               struct neighbour *neigh = ctx;
 
-       kfree_skb(skb);
+               if (neigh->dev->type == ARPHRD_INFINIBAND &&
+                   (neigh->nud_state & NUD_VALID)) {
+                       set_timeout(jiffies);
+               }
+       }
        return 0;
 }
 
-static struct packet_type addr_arp = {
-       .type           = __constant_htons(ETH_P_ARP),
-       .func           = addr_arp_recv,
-       .af_packet_priv = (void*) 1,
+static struct notifier_block nb = {
+       .notifier_call = netevent_callback
 };
 
 static int addr_init(void)
@@ -353,13 +355,13 @@ static int addr_init(void)
        if (!addr_wq)
                return -ENOMEM;
 
-       dev_add_pack(&addr_arp);
+       register_netevent_notifier(&nb);
        return 0;
 }
 
 static void addr_cleanup(void)
 {
-       dev_remove_pack(&addr_arp);
+       unregister_netevent_notifier(&nb);
        destroy_workqueue(addr_wq);
 }