#include <linux/udp.h>
#include <linux/if.h>
#include <linux/list.h>
+#include <linux/slab.h>
#include <linux/if_ether.h>
#include <linux/notifier.h>
#include <linux/reboot.h>
cqe_counter++;
rmb();
if (cqe->status & EHEA_CQE_STAT_ERR_MASK) {
- ehea_error("Send Completion Error: Resetting port");
+ ehea_error("Bad send completion status=0x%04X",
+ cqe->status);
+
if (netif_msg_tx_err(pr->port))
ehea_dump(cqe, sizeof(*cqe), "Send CQE");
- ehea_schedule_port_reset(pr->port);
- break;
+
+ if (cqe->status & EHEA_CQE_STAT_RESET_MASK) {
+ ehea_error("Resetting port");
+ ehea_schedule_port_reset(pr->port);
+ break;
+ }
}
if (netif_msg_tx_done(pr->port))
struct ehea_eqe *eqe;
struct ehea_qp *qp;
u32 qp_token;
+ u64 resource_type, aer, aerr;
+ int reset_port = 0;
eqe = ehea_poll_eq(port->qp_eq);
eqe->entry, qp_token);
qp = port->port_res[qp_token].qp;
- ehea_error_data(port->adapter, qp->fw_handle);
+
+ resource_type = ehea_error_data(port->adapter, qp->fw_handle,
+ &aer, &aerr);
+
+ if (resource_type == EHEA_AER_RESTYPE_QP) {
+ if ((aer & EHEA_AER_RESET_MASK) ||
+ (aerr & EHEA_AERR_RESET_MASK))
+ reset_port = 1;
+ } else
+ reset_port = 1; /* Reset in case of CQ or EQ error */
+
eqe = ehea_poll_eq(port->qp_eq);
}
- ehea_schedule_port_reset(port);
+ if (reset_port) {
+ ehea_error("Resetting port");
+ ehea_schedule_port_reset(port);
+ }
return IRQ_HANDLED;
}
{
struct ehea_vsgentry *sg1entry = &swqe->u.immdata_desc.sg_entry;
u8 *imm_data = &swqe->u.immdata_desc.immediate_data[0];
- int skb_data_size = skb->len - skb->data_len;
+ int skb_data_size = skb_headlen(skb);
int headersize;
/* Packet is TCP with TSO enabled */
*/
headersize = ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb);
- skb_data_size = skb->len - skb->data_len;
+ skb_data_size = skb_headlen(skb);
if (skb_data_size >= headersize) {
/* copy immediate data */
static void write_swqe2_nonTSO(struct sk_buff *skb,
struct ehea_swqe *swqe, u32 lkey)
{
- int skb_data_size = skb->len - skb->data_len;
+ int skb_data_size = skb_headlen(skb);
u8 *imm_data = &swqe->u.immdata_desc.immediate_data[0];
struct ehea_vsgentry *sg1entry = &swqe->u.immdata_desc.sg_entry;
port->promisc = enable;
out:
free_page((unsigned long)cb7);
- return;
}
static u64 ehea_multicast_reg_helper(struct ehea_port *port, u64 mc_mac_addr,
static void ehea_set_multicast_list(struct net_device *dev)
{
struct ehea_port *port = netdev_priv(dev);
- struct dev_mc_list *k_mcl_entry;
- int ret, i;
+ struct netdev_hw_addr *ha;
+ int ret;
if (dev->flags & IFF_PROMISC) {
ehea_promiscuous(dev, 1);
}
ehea_allmulti(dev, 0);
- if (dev->mc_count) {
+ if (!netdev_mc_empty(dev)) {
ret = ehea_drop_multicast_list(dev);
if (ret) {
/* Dropping the current multicast list failed.
ehea_allmulti(dev, 1);
}
- if (dev->mc_count > port->adapter->max_mc_mac) {
+ if (netdev_mc_count(dev) > port->adapter->max_mc_mac) {
ehea_info("Mcast registration limit reached (0x%llx). "
"Use ALLMULTI!",
port->adapter->max_mc_mac);
goto out;
}
- for (i = 0, k_mcl_entry = dev->mc_list; i < dev->mc_count; i++,
- k_mcl_entry = k_mcl_entry->next)
- ehea_add_multicast_entry(port, k_mcl_entry->dmi_addr);
+ netdev_for_each_mc_addr(ha, dev)
+ ehea_add_multicast_entry(port, ha->addr);
}
out:
ehea_update_bcmc_registrations();
- return;
}
static int ehea_change_mtu(struct net_device *dev, int new_mtu)
} else {
/* first copy data from the skb->data buffer ... */
skb_copy_from_linear_data(skb, imm_data,
- skb->len - skb->data_len);
- imm_data += skb->len - skb->data_len;
+ skb_headlen(skb));
+ imm_data += skb_headlen(skb);
/* ... then copy data from the fragments */
for (i = 0; i < nfrags; i++) {
}
spin_unlock_irqrestore(&pr->netif_queue, flags);
}
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
spin_unlock(&pr->xmit_lock);
return NETDEV_TX_OK;
ehea_error("modify_ehea_port failed");
out:
free_page((unsigned long)cb1);
- return;
}
int ehea_activate_qp(struct ehea_adapter *adapter, struct ehea_qp *qp)
netif_wake_queue(dev);
out:
mutex_unlock(&port->port_lock);
- return;
}
static void ehea_rereg_mrs(struct work_struct *work)
int ret, i;
struct ehea_adapter *adapter;
- mutex_lock(&dlpar_mem_lock);
ehea_info("LPAR memory changed - re-initializing driver");
list_for_each_entry(adapter, &adapter_list, list)
}
ehea_info("re-initializing driver complete");
out:
- mutex_unlock(&dlpar_mem_lock);
return;
}
static int ehea_mem_notifier(struct notifier_block *nb,
unsigned long action, void *data)
{
+ int ret = NOTIFY_BAD;
struct memory_notify *arg = data;
+
+ if (!mutex_trylock(&dlpar_mem_lock)) {
+ ehea_info("ehea_mem_notifier must not be called parallelized");
+ goto out;
+ }
+
switch (action) {
case MEM_CANCEL_OFFLINE:
ehea_info("memory offlining canceled");
ehea_info("memory is going online");
set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages))
- return NOTIFY_BAD;
+ goto out_unlock;
ehea_rereg_mrs(NULL);
break;
case MEM_GOING_OFFLINE:
ehea_info("memory is going offline");
set_bit(__EHEA_STOP_XFER, &ehea_driver_flags);
if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages))
- return NOTIFY_BAD;
+ goto out_unlock;
ehea_rereg_mrs(NULL);
break;
default:
}
ehea_update_firmware_handles();
+ ret = NOTIFY_OK;
- return NOTIFY_OK;
+out_unlock:
+ mutex_unlock(&dlpar_mem_lock);
+out:
+ return ret;
}
static struct notifier_block ehea_mem_nb = {
projects / firefly-linux-kernel-4.4.55.git / blobdiff