From 534cb283efef9fdbd9f70f4615054d26aa444dd6 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 2 Jul 2012 22:35:31 -0700 Subject: [PATCH] cxgb3: Convert t3_l2t_get() over to dst_neigh_lookup(). This means passing in a suitable destination address. Signed-off-by: David S. Miller --- drivers/infiniband/hw/cxgb3/iwch_cm.c | 5 +++-- drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c | 11 +++++++---- drivers/net/ethernet/chelsio/cxgb3/l2t.c | 6 ++++-- drivers/net/ethernet/chelsio/cxgb3/l2t.h | 2 +- drivers/scsi/cxgbi/cxgb3i/cxgb3i.c | 3 ++- 5 files changed, 17 insertions(+), 10 deletions(-) diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c index 740dcc065cf2..77b6b182778a 100644 --- a/drivers/infiniband/hw/cxgb3/iwch_cm.c +++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c @@ -1374,7 +1374,7 @@ static int pass_accept_req(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) goto reject; } dst = &rt->dst; - l2t = t3_l2t_get(tdev, dst, NULL); + l2t = t3_l2t_get(tdev, dst, NULL, &req->peer_ip); if (!l2t) { printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n", __func__); @@ -1942,7 +1942,8 @@ int iwch_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) goto fail3; } ep->dst = &rt->dst; - ep->l2t = t3_l2t_get(ep->com.tdev, ep->dst, NULL); + ep->l2t = t3_l2t_get(ep->com.tdev, ep->dst, NULL, + &cm_id->remote_addr.sin_addr.s_addr); if (!ep->l2t) { printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__); err = -ENOMEM; diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c index 633c6029e53c..2dbbcbb450d3 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c @@ -63,7 +63,8 @@ static const unsigned int ATID_BASE = 0x10000; static void cxgb_neigh_update(struct neighbour *neigh); static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh, - struct dst_entry *new, struct neighbour *new_neigh); + struct dst_entry *new, struct neighbour *new_neigh, + const void *daddr); static inline int offload_activated(struct t3cdev *tdev) { @@ -970,7 +971,8 @@ static int nb_callback(struct notifier_block *self, unsigned long event, case (NETEVENT_REDIRECT):{ struct netevent_redirect *nr = ctx; cxgb_redirect(nr->old, nr->old_neigh, - nr->new, nr->new_neigh); + nr->new, nr->new_neigh, + nr->daddr); cxgb_neigh_update(nr->new_neigh); break; } @@ -1110,7 +1112,8 @@ static void set_l2t_ix(struct t3cdev *tdev, u32 tid, struct l2t_entry *e) } static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh, - struct dst_entry *new, struct neighbour *new_neigh) + struct dst_entry *new, struct neighbour *new_neigh, + const void *daddr) { struct net_device *olddev, *newdev; struct tid_info *ti; @@ -1139,7 +1142,7 @@ static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh, } /* Add new L2T entry */ - e = t3_l2t_get(tdev, new, newdev); + e = t3_l2t_get(tdev, new, newdev, daddr); if (!e) { printk(KERN_ERR "%s: couldn't allocate new l2t entry!\n", __func__); diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.c b/drivers/net/ethernet/chelsio/cxgb3/l2t.c index 3fa3c8833ed7..8d53438638b2 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/l2t.c +++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.c @@ -299,7 +299,7 @@ static inline void reuse_entry(struct l2t_entry *e, struct neighbour *neigh) } struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct dst_entry *dst, - struct net_device *dev) + struct net_device *dev, const void *daddr) { struct l2t_entry *e = NULL; struct neighbour *neigh; @@ -311,7 +311,7 @@ struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct dst_entry *dst, int smt_idx; rcu_read_lock(); - neigh = dst_get_neighbour_noref(dst); + neigh = dst_neigh_lookup(dst, daddr); if (!neigh) goto done_rcu; @@ -360,6 +360,8 @@ struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct dst_entry *dst, done_unlock: write_unlock_bh(&d->lock); done_rcu: + if (neigh) + neigh_release(neigh); rcu_read_unlock(); return e; } diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h index c4e864369751..8cffcdfd5678 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h +++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h @@ -110,7 +110,7 @@ static inline void set_arp_failure_handler(struct sk_buff *skb, void t3_l2e_free(struct l2t_data *d, struct l2t_entry *e); void t3_l2t_update(struct t3cdev *dev, struct neighbour *neigh); struct l2t_entry *t3_l2t_get(struct t3cdev *cdev, struct dst_entry *dst, - struct net_device *dev); + struct net_device *dev, const void *daddr); int t3_l2t_send_slow(struct t3cdev *dev, struct sk_buff *skb, struct l2t_entry *e); void t3_l2t_send_event(struct t3cdev *dev, struct l2t_entry *e); diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index 36739da8bc15..49692a1ac44a 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -966,7 +966,8 @@ static int init_act_open(struct cxgbi_sock *csk) csk->saddr.sin_addr.s_addr = chba->ipv4addr; csk->rss_qid = 0; - csk->l2t = t3_l2t_get(t3dev, dst, ndev); + csk->l2t = t3_l2t_get(t3dev, dst, ndev, + &csk->daddr.sin_addr.s_addr); if (!csk->l2t) { pr_err("NO l2t available.\n"); return -EINVAL; -- 2.20.1