diff options
Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib.h | 6 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_main.c | 55 | ||||
-rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_multicast.c | 10 | ||||
-rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 17 | ||||
-rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.h | 1 |
5 files changed, 31 insertions, 58 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index b3cc1e062b1..86df632ea61 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -44,6 +44,7 @@ #include <linux/mutex.h> #include <net/neighbour.h> +#include <net/sch_generic.h> #include <linux/atomic.h> @@ -117,8 +118,9 @@ struct ipoib_header { u16 reserved; }; -struct ipoib_pseudoheader { - u8 hwaddr[INFINIBAND_ALEN]; +struct ipoib_cb { + struct qdisc_skb_cb qdisc_cb; + u8 hwaddr[INFINIBAND_ALEN]; }; /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */ diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 3514ca05dee..3974c290b66 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -653,7 +653,7 @@ static void ipoib_path_lookup(struct sk_buff *skb, struct neighbour *n, struct n } static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, - struct ipoib_pseudoheader *phdr) + struct ipoib_cb *cb) { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ipoib_path *path; @@ -661,17 +661,15 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, spin_lock_irqsave(&priv->lock, flags); - path = __path_find(dev, phdr->hwaddr + 4); + path = __path_find(dev, cb->hwaddr + 4); if (!path || !path->valid) { int new_path = 0; if (!path) { - path = path_rec_create(dev, phdr->hwaddr + 4); + path = path_rec_create(dev, cb->hwaddr + 4); new_path = 1; } if (path) { - /* put pseudoheader back on for next time */ - skb_push(skb, sizeof *phdr); __skb_queue_tail(&path->queue, skb); if (!path->query && path_rec_start(dev, path)) { @@ -695,12 +693,10 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev, be16_to_cpu(path->pathrec.dlid)); spin_unlock_irqrestore(&priv->lock, flags); - ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr)); + ipoib_send(dev, skb, path->ah, IPOIB_QPN(cb->hwaddr)); return; } else if ((path->query || !path_rec_start(dev, path)) && skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) { - /* put pseudoheader back on for next time */ - skb_push(skb, sizeof *phdr); __skb_queue_tail(&path->queue, skb); } else { ++dev->stats.tx_dropped; @@ -774,16 +770,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb_any(skb); } } else { - struct ipoib_pseudoheader *phdr = - (struct ipoib_pseudoheader *) skb->data; - skb_pull(skb, sizeof *phdr); + struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb; - if (phdr->hwaddr[4] == 0xff) { + if (cb->hwaddr[4] == 0xff) { /* Add in the P_Key for multicast*/ - phdr->hwaddr[8] = (priv->pkey >> 8) & 0xff; - phdr->hwaddr[9] = priv->pkey & 0xff; + cb->hwaddr[8] = (priv->pkey >> 8) & 0xff; + cb->hwaddr[9] = priv->pkey & 0xff; - ipoib_mcast_send(dev, phdr->hwaddr + 4, skb); + ipoib_mcast_send(dev, cb->hwaddr + 4, skb); } else { /* unicast GID -- should be ARP or RARP reply */ @@ -792,14 +786,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev) ipoib_warn(priv, "Unicast, no %s: type %04x, QPN %06x %pI6\n", skb_dst(skb) ? "neigh" : "dst", be16_to_cpup((__be16 *) skb->data), - IPOIB_QPN(phdr->hwaddr), - phdr->hwaddr + 4); + IPOIB_QPN(cb->hwaddr), + cb->hwaddr + 4); dev_kfree_skb_any(skb); ++dev->stats.tx_dropped; goto unlock; } - unicast_arp_send(skb, dev, phdr); + unicast_arp_send(skb, dev, cb); } } unlock: @@ -825,8 +819,6 @@ static int ipoib_hard_header(struct sk_buff *skb, const void *daddr, const void *saddr, unsigned len) { struct ipoib_header *header; - struct dst_entry *dst; - struct neighbour *n; header = (struct ipoib_header *) skb_push(skb, sizeof *header); @@ -834,18 +826,13 @@ static int ipoib_hard_header(struct sk_buff *skb, header->reserved = 0; /* - * If we don't have a neighbour structure, stuff the - * destination address onto the front of the skb so we can - * figure out where to send the packet later. + * If we don't have a dst_entry structure, stuff the + * destination address into skb->cb so we can figure out where + * to send the packet later. */ - dst = skb_dst(skb); - n = NULL; - if (dst) - n = dst_get_neighbour_noref_raw(dst); - if ((!dst || !n) && daddr) { - struct ipoib_pseudoheader *phdr = - (struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr); - memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN); + if (!skb_dst(skb)) { + struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb; + memcpy(cb->hwaddr, daddr, INFINIBAND_ALEN); } return 0; @@ -1021,11 +1008,7 @@ static void ipoib_setup(struct net_device *dev) dev->flags |= IFF_BROADCAST | IFF_MULTICAST; - /* - * We add in INFINIBAND_ALEN to allow for the destination - * address "pseudoheader" for skbs without neighbour struct. - */ - dev->hard_header_len = IPOIB_ENCAP_LEN + INFINIBAND_ALEN; + dev->hard_header_len = IPOIB_ENCAP_LEN; dev->addr_len = INFINIBAND_ALEN; dev->type = ARPHRD_INFINIBAND; dev->tx_queue_len = ipoib_sendq_size * 2; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index f7ff9dd66cd..20ebc6fd1bb 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -262,21 +262,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, netif_tx_lock_bh(dev); while (!skb_queue_empty(&mcast->pkt_queue)) { struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue); - struct dst_entry *dst = skb_dst(skb); - struct neighbour *n = NULL; netif_tx_unlock_bh(dev); skb->dev = dev; - if (dst) - n = dst_get_neighbour_noref_raw(dst); - if (!dst || !n) { - /* put pseudoheader back on for next time */ - skb_push(skb, sizeof (struct ipoib_pseudoheader)); - } - if (dev_queue_xmit(skb)) ipoib_warn(priv, "dev_queue_xmit failed to requeue packet\n"); + netif_tx_lock_bh(dev); } netif_tx_unlock_bh(dev); diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index cd5d05e22a7..2b73d43cd69 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -69,8 +69,8 @@ MODULE_LICENSE("Dual BSD/GPL"); */ static u64 srpt_service_guid; -static spinlock_t srpt_dev_lock; /* Protects srpt_dev_list. */ -static struct list_head srpt_dev_list; /* List of srpt_device structures. */ +static DEFINE_SPINLOCK(srpt_dev_lock); /* Protects srpt_dev_list. */ +static LIST_HEAD(srpt_dev_list); /* List of srpt_device structures. */ static unsigned srp_max_req_size = DEFAULT_MAX_REQ_SIZE; module_param(srp_max_req_size, int, 0444); @@ -687,6 +687,7 @@ err: while (--i >= 0) srpt_free_ioctx(sdev, ring[i], dma_size, dir); kfree(ring); + ring = NULL; out: return ring; } @@ -2595,7 +2596,7 @@ static int srpt_cm_req_recv(struct ib_cm_id *cm_id, } ch->sess = transport_init_session(); - if (!ch->sess) { + if (IS_ERR(ch->sess)) { rej->reason = __constant_cpu_to_be32( SRP_LOGIN_REJ_INSUFFICIENT_RESOURCES); pr_debug("Failed to create session\n"); @@ -3264,8 +3265,7 @@ static void srpt_add_one(struct ib_device *device) for (i = 0; i < sdev->srq_size; ++i) srpt_post_recv(sdev, sdev->ioctx_ring[i]); - WARN_ON(sdev->device->phys_port_cnt - > sizeof(sdev->port)/sizeof(sdev->port[0])); + WARN_ON(sdev->device->phys_port_cnt > ARRAY_SIZE(sdev->port)); for (i = 1; i <= sdev->device->phys_port_cnt; i++) { sport = &sdev->port[i - 1]; @@ -4010,13 +4010,10 @@ static int __init srpt_init_module(void) goto out; } - spin_lock_init(&srpt_dev_lock); - INIT_LIST_HEAD(&srpt_dev_list); - - ret = -ENODEV; srpt_target = target_fabric_configfs_init(THIS_MODULE, "srpt"); - if (!srpt_target) { + if (IS_ERR(srpt_target)) { printk(KERN_ERR "couldn't register\n"); + ret = PTR_ERR(srpt_target); goto out; } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index b4b4bbcd7f1..61e52b83081 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -35,7 +35,6 @@ #ifndef IB_SRPT_H #define IB_SRPT_H -#include <linux/version.h> #include <linux/types.h> #include <linux/list.h> #include <linux/wait.h> |