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path: root/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c92
1 files changed, 38 insertions, 54 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
index 942dace361d2..4232767862b5 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_offload.c
@@ -30,6 +30,8 @@
* SOFTWARE.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/list.h>
#include <linux/slab.h>
#include <net/neighbour.h>
@@ -62,9 +64,8 @@ static const unsigned int MAX_ATIDS = 64 * 1024;
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,
- const void *daddr);
+static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new,
+ struct neighbour *neigh, const void *daddr);
static inline int offload_activated(struct t3cdev *tdev)
{
@@ -182,14 +183,17 @@ static struct net_device *get_iff_from_mac(struct adapter *adapter,
struct net_device *dev = adapter->port[i];
if (!memcmp(dev->dev_addr, mac, ETH_ALEN)) {
+ rcu_read_lock();
if (vlan && vlan != VLAN_VID_MASK) {
- rcu_read_lock();
dev = __vlan_find_dev_deep(dev, vlan);
- rcu_read_unlock();
} else if (netif_is_bond_slave(dev)) {
- while (dev->master)
- dev = dev->master;
+ struct net_device *upper_dev;
+
+ while ((upper_dev =
+ netdev_master_upper_dev_get_rcu(dev)))
+ dev = upper_dev;
}
+ rcu_read_unlock();
return dev;
}
}
@@ -232,8 +236,7 @@ static int cxgb_ulp_iscsi_ctl(struct adapter *adapter, unsigned int req,
if ((val >> S_MAXRXDATA) != 0x3f60) {
val &= (M_RXCOALESCESIZE << S_RXCOALESCESIZE);
val |= V_MAXRXDATA(0x3f60);
- printk(KERN_INFO
- "%s, iscsi set MaxRxData to 16224 (0x%x).\n",
+ pr_info("%s, iscsi set MaxRxData to 16224 (0x%x)\n",
adapter->name, val);
t3_write_reg(adapter, A_TP_PARA_REG2, val);
}
@@ -253,8 +256,7 @@ static int cxgb_ulp_iscsi_ctl(struct adapter *adapter, unsigned int req,
for (i = 0; i < 4; i++)
val |= (uiip->pgsz_factor[i] & 0xF) << (8 * i);
if (val && (val != t3_read_reg(adapter, A_ULPRX_ISCSI_PSZ))) {
- printk(KERN_INFO
- "%s, setting iscsi pgsz 0x%x, %u,%u,%u,%u.\n",
+ pr_info("%s, setting iscsi pgsz 0x%x, %u,%u,%u,%u\n",
adapter->name, val, uiip->pgsz_factor[0],
uiip->pgsz_factor[1], uiip->pgsz_factor[2],
uiip->pgsz_factor[3]);
@@ -706,8 +708,7 @@ static int do_smt_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
struct cpl_smt_write_rpl *rpl = cplhdr(skb);
if (rpl->status != CPL_ERR_NONE)
- printk(KERN_ERR
- "Unexpected SMT_WRITE_RPL status %u for entry %u\n",
+ pr_err("Unexpected SMT_WRITE_RPL status %u for entry %u\n",
rpl->status, GET_TID(rpl));
return CPL_RET_BUF_DONE;
@@ -718,8 +719,7 @@ static int do_l2t_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
struct cpl_l2t_write_rpl *rpl = cplhdr(skb);
if (rpl->status != CPL_ERR_NONE)
- printk(KERN_ERR
- "Unexpected L2T_WRITE_RPL status %u for entry %u\n",
+ pr_err("Unexpected L2T_WRITE_RPL status %u for entry %u\n",
rpl->status, GET_TID(rpl));
return CPL_RET_BUF_DONE;
@@ -730,8 +730,7 @@ static int do_rte_write_rpl(struct t3cdev *dev, struct sk_buff *skb)
struct cpl_rte_write_rpl *rpl = cplhdr(skb);
if (rpl->status != CPL_ERR_NONE)
- printk(KERN_ERR
- "Unexpected RTE_WRITE_RPL status %u for entry %u\n",
+ pr_err("Unexpected RTE_WRITE_RPL status %u for entry %u\n",
rpl->status, GET_TID(rpl));
return CPL_RET_BUF_DONE;
@@ -751,7 +750,7 @@ static int do_act_open_rpl(struct t3cdev *dev, struct sk_buff *skb)
t3c_tid->
ctx);
} else {
- printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
+ pr_err("%s: received clientless CPL command 0x%x\n",
dev->name, CPL_ACT_OPEN_RPL);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -769,7 +768,7 @@ static int do_stid_rpl(struct t3cdev *dev, struct sk_buff *skb)
return t3c_tid->client->handlers[p->opcode] (dev, skb,
t3c_tid->ctx);
} else {
- printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
+ pr_err("%s: received clientless CPL command 0x%x\n",
dev->name, p->opcode);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -787,7 +786,7 @@ static int do_hwtid_rpl(struct t3cdev *dev, struct sk_buff *skb)
return t3c_tid->client->handlers[p->opcode]
(dev, skb, t3c_tid->ctx);
} else {
- printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
+ pr_err("%s: received clientless CPL command 0x%x\n",
dev->name, p->opcode);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -814,7 +813,7 @@ static int do_cr(struct t3cdev *dev, struct sk_buff *skb)
return t3c_tid->client->handlers[CPL_PASS_ACCEPT_REQ]
(dev, skb, t3c_tid->ctx);
} else {
- printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
+ pr_err("%s: received clientless CPL command 0x%x\n",
dev->name, CPL_PASS_ACCEPT_REQ);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -908,7 +907,7 @@ static int do_act_establish(struct t3cdev *dev, struct sk_buff *skb)
return t3c_tid->client->handlers[CPL_ACT_ESTABLISH]
(dev, skb, t3c_tid->ctx);
} else {
- printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
+ pr_err("%s: received clientless CPL command 0x%x\n",
dev->name, CPL_ACT_ESTABLISH);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -954,7 +953,7 @@ static int do_term(struct t3cdev *dev, struct sk_buff *skb)
return t3c_tid->client->handlers[opcode] (dev, skb,
t3c_tid->ctx);
} else {
- printk(KERN_ERR "%s: received clientless CPL command 0x%x\n",
+ pr_err("%s: received clientless CPL command 0x%x\n",
dev->name, opcode);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -970,10 +969,9 @@ 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,
+ cxgb_redirect(nr->old, nr->new, nr->neigh,
nr->daddr);
- cxgb_neigh_update(nr->new_neigh);
+ cxgb_neigh_update(nr->neigh);
break;
}
default:
@@ -991,8 +989,7 @@ static struct notifier_block nb = {
*/
static int do_bad_cpl(struct t3cdev *dev, struct sk_buff *skb)
{
- printk(KERN_ERR "%s: received bad CPL command 0x%x\n", dev->name,
- *skb->data);
+ pr_err("%s: received bad CPL command 0x%x\n", dev->name, *skb->data);
return CPL_RET_BUF_DONE | CPL_RET_BAD_MSG;
}
@@ -1010,8 +1007,8 @@ void t3_register_cpl_handler(unsigned int opcode, cpl_handler_func h)
if (opcode < NUM_CPL_CMDS)
cpl_handlers[opcode] = h ? h : do_bad_cpl;
else
- printk(KERN_ERR "T3C: handler registration for "
- "opcode %x failed\n", opcode);
+ pr_err("T3C: handler registration for opcode %x failed\n",
+ opcode);
}
EXPORT_SYMBOL(t3_register_cpl_handler);
@@ -1030,9 +1027,8 @@ static int process_rx(struct t3cdev *dev, struct sk_buff **skbs, int n)
if (ret & CPL_RET_UNKNOWN_TID) {
union opcode_tid *p = cplhdr(skb);
- printk(KERN_ERR "%s: CPL message (opcode %u) had "
- "unknown TID %u\n", dev->name, opcode,
- G_TID(ntohl(p->opcode_tid)));
+ pr_err("%s: CPL message (opcode %u) had unknown TID %u\n",
+ dev->name, opcode, G_TID(ntohl(p->opcode_tid)));
}
#endif
if (ret & CPL_RET_BUF_DONE)
@@ -1096,7 +1092,7 @@ static void set_l2t_ix(struct t3cdev *tdev, u32 tid, struct l2t_entry *e)
skb = alloc_skb(sizeof(*req), GFP_ATOMIC);
if (!skb) {
- printk(KERN_ERR "%s: cannot allocate skb!\n", __func__);
+ pr_err("%s: cannot allocate skb!\n", __func__);
return;
}
skb->priority = CPL_PRIORITY_CONTROL;
@@ -1111,11 +1107,11 @@ static void set_l2t_ix(struct t3cdev *tdev, u32 tid, struct l2t_entry *e)
tdev->send(tdev, skb);
}
-static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh,
- struct dst_entry *new, struct neighbour *new_neigh,
+static void cxgb_redirect(struct dst_entry *old, struct dst_entry *new,
+ struct neighbour *neigh,
const void *daddr)
{
- struct net_device *olddev, *newdev;
+ struct net_device *dev;
struct tid_info *ti;
struct t3cdev *tdev;
u32 tid;
@@ -1123,29 +1119,17 @@ static void cxgb_redirect(struct dst_entry *old, struct neighbour *old_neigh,
struct l2t_entry *e;
struct t3c_tid_entry *te;
- olddev = old_neigh->dev;
- newdev = new_neigh->dev;
+ dev = neigh->dev;
- if (!is_offloading(olddev))
- return;
- if (!is_offloading(newdev)) {
- printk(KERN_WARNING "%s: Redirect to non-offload "
- "device ignored.\n", __func__);
+ if (!is_offloading(dev))
return;
- }
- tdev = dev2t3cdev(olddev);
+ tdev = dev2t3cdev(dev);
BUG_ON(!tdev);
- if (tdev != dev2t3cdev(newdev)) {
- printk(KERN_WARNING "%s: Redirect to different "
- "offload device ignored.\n", __func__);
- return;
- }
/* Add new L2T entry */
- e = t3_l2t_get(tdev, new, newdev, daddr);
+ e = t3_l2t_get(tdev, new, dev, daddr);
if (!e) {
- printk(KERN_ERR "%s: couldn't allocate new l2t entry!\n",
- __func__);
+ pr_err("%s: couldn't allocate new l2t entry!\n", __func__);
return;
}
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