return max_avail_segs * (p->mtu - 40);
}
+#if 0
+
/*
* t1_sched_max_avail_bytes() tells the scheduler the maximum amount of
* data that can be pushed per port.
t1_sched_update_parms(sge, port, 0, 0);
}
+#endif /* 0 */
+
/*
* get_clock() implements a ns clock (see ktime_get)
for_each_possible_cpu(cpu) {
struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[port], cpu);
- ss->rx_packets += st->rx_packets;
ss->rx_cso_good += st->rx_cso_good;
- ss->tx_packets += st->tx_packets;
ss->tx_cso += st->tx_cso;
ss->tx_tso += st->tx_tso;
+ ss->tx_need_hdrroom += st->tx_need_hdrroom;
ss->vlan_xtract += st->vlan_xtract;
ss->vlan_insert += st->vlan_insert;
}
pci_unmap_addr(ce, dma_addr),
pci_unmap_len(ce, dma_len),
PCI_DMA_FROMDEVICE);
- memcpy(skb->data, ce->skb->data, len);
+ skb_copy_from_linear_data(ce->skb, skb->data, len);
pci_dma_sync_single_for_device(pdev,
pci_unmap_addr(ce, dma_addr),
pci_unmap_len(ce, dma_len),
}
__skb_pull(skb, sizeof(*p));
- skb->dev->last_rx = jiffies;
st = per_cpu_ptr(sge->port_stats[p->iff], smp_processor_id());
- st->rx_packets++;
skb->protocol = eth_type_trans(skb, adapter->port[p->iff].dev);
+ skb->dev->last_rx = jiffies;
if ((adapter->flags & RX_CSUM_ENABLED) && p->csum == 0xffff &&
skb->protocol == htons(ETH_P_IP) &&
(skb->data[9] == IPPROTO_TCP || skb->data[9] == IPPROTO_UDP)) {
* or protection from interrupts as data interrupts are off at this point and
* other adapter interrupts do not interfere.
*/
-int t1_poll(struct net_device *dev, int *budget)
+int t1_poll(struct napi_struct *napi, int budget)
{
- struct adapter *adapter = dev->priv;
- int work_done;
-
- work_done = process_responses(adapter, min(*budget, dev->quota));
- *budget -= work_done;
- dev->quota -= work_done;
-
- if (unlikely(responses_pending(adapter)))
- return 1;
-
- netif_rx_complete(dev);
- writel(adapter->sge->respQ.cidx, adapter->regs + A_SG_SLEEPING);
-
- return 0;
-
+ struct adapter *adapter = container_of(napi, struct adapter, napi);
+ struct net_device *dev = adapter->port[0].dev;
+ int work_done = process_responses(adapter, budget);
+
+ if (likely(work_done < budget)) {
+ netif_rx_complete(dev, napi);
+ writel(adapter->sge->respQ.cidx,
+ adapter->regs + A_SG_SLEEPING);
+ }
+ return work_done;
}
/*
writel(F_PL_INTR_SGE_DATA, adapter->regs + A_PL_CAUSE);
- if (__netif_rx_schedule_prep(dev)) {
+ if (napi_schedule_prep(&adapter->napi)) {
if (process_pure_responses(adapter))
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &adapter->napi);
else {
/* no data, no NAPI needed */
writel(sge->respQ.cidx, adapter->regs + A_SG_SLEEPING);
- netif_poll_enable(dev); /* undo schedule_prep */
+ napi_enable(&adapter->napi); /* undo schedule_prep */
}
}
return IRQ_HANDLED;
{
struct adapter *adapter = dev->priv;
struct sge *sge = adapter->sge;
- struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port], smp_processor_id());
+ struct sge_port_stats *st = per_cpu_ptr(sge->port_stats[dev->if_port],
+ smp_processor_id());
struct cpl_tx_pkt *cpl;
struct sk_buff *orig_skb = skb;
int ret;
if (skb->protocol == htons(ETH_P_CPL5))
goto send;
+ /*
+ * We are using a non-standard hard_header_len.
+ * Allocate more header room in the rare cases it is not big enough.
+ */
+ if (unlikely(skb_headroom(skb) < dev->hard_header_len - ETH_HLEN)) {
+ skb = skb_realloc_headroom(skb, sizeof(struct cpl_tx_pkt_lso));
+ ++st->tx_need_hdrroom;
+ dev_kfree_skb_any(orig_skb);
+ if (!skb)
+ return NETDEV_TX_OK;
+ }
+
if (skb_shinfo(skb)->gso_size) {
int eth_type;
struct cpl_tx_pkt_lso *hdr;
++st->tx_tso;
- eth_type = skb->nh.raw - skb->data == ETH_HLEN ?
+ eth_type = skb_network_offset(skb) == ETH_HLEN ?
CPL_ETH_II : CPL_ETH_II_VLAN;
hdr = (struct cpl_tx_pkt_lso *)skb_push(skb, sizeof(*hdr));
hdr->opcode = CPL_TX_PKT_LSO;
hdr->ip_csum_dis = hdr->l4_csum_dis = 0;
- hdr->ip_hdr_words = skb->nh.iph->ihl;
- hdr->tcp_hdr_words = skb->h.th->doff;
+ hdr->ip_hdr_words = ip_hdr(skb)->ihl;
+ hdr->tcp_hdr_words = tcp_hdr(skb)->doff;
hdr->eth_type_mss = htons(MK_ETH_TYPE_MSS(eth_type,
skb_shinfo(skb)->gso_size));
hdr->len = htonl(skb->len - sizeof(*hdr));
return NETDEV_TX_OK;
}
- /*
- * We are using a non-standard hard_header_len and some kernel
- * components, such as pktgen, do not handle it right.
- * Complain when this happens but try to fix things up.
- */
- if (unlikely(skb_headroom(skb) < dev->hard_header_len - ETH_HLEN)) {
- pr_debug("%s: headroom %d header_len %d\n", dev->name,
- skb_headroom(skb), dev->hard_header_len);
-
- if (net_ratelimit())
- printk(KERN_ERR "%s: inadequate headroom in "
- "Tx packet\n", dev->name);
- skb = skb_realloc_headroom(skb, sizeof(*cpl));
- dev_kfree_skb_any(orig_skb);
- if (!skb)
- return NETDEV_TX_OK;
- }
-
if (!(adapter->flags & UDP_CSUM_CAPABLE) &&
skb->ip_summed == CHECKSUM_PARTIAL &&
- skb->nh.iph->protocol == IPPROTO_UDP) {
+ ip_hdr(skb)->protocol == IPPROTO_UDP) {
if (unlikely(skb_checksum_help(skb))) {
pr_debug("%s: unable to do udp checksum\n", dev->name);
dev_kfree_skb_any(skb);
*/
if ((unlikely(!adapter->sge->espibug_skb[dev->if_port]))) {
if (skb->protocol == htons(ETH_P_ARP) &&
- skb->nh.arph->ar_op == htons(ARPOP_REQUEST)) {
+ arp_hdr(skb)->ar_op == htons(ARPOP_REQUEST)) {
adapter->sge->espibug_skb[dev->if_port] = skb;
/* We want to re-use this skb later. We
* simply bump the reference count and it
cpl->vlan_valid = 0;
send:
- st->tx_packets++;
dev->trans_start = jiffies;
ret = t1_sge_tx(skb, adapter, 0, dev);
0x0, 0x7, 0x43, 0x0, 0x0, 0x0
};
- memcpy(skb->data + sizeof(struct cpl_tx_pkt),
- ch_mac_addr, ETH_ALEN);
- memcpy(skb->data + skb->len - 10,
- ch_mac_addr, ETH_ALEN);
+ skb_copy_to_linear_data_offset(skb,
+ sizeof(struct cpl_tx_pkt),
+ ch_mac_addr,
+ ETH_ALEN);
+ skb_copy_to_linear_data_offset(skb,
+ skb->len - 10,
+ ch_mac_addr,
+ ETH_ALEN);
skb->cb[0] = 0xff;
}
if (!skb->cb[0]) {
u8 ch_mac_addr[ETH_ALEN] =
{0x0, 0x7, 0x43, 0x0, 0x0, 0x0};
- memcpy(skb->data + sizeof(struct cpl_tx_pkt),
- ch_mac_addr, ETH_ALEN);
- memcpy(skb->data + skb->len - 10, ch_mac_addr,
- ETH_ALEN);
+ skb_copy_to_linear_data_offset(skb,
+ sizeof(struct cpl_tx_pkt),
+ ch_mac_addr,
+ ETH_ALEN);
+ skb_copy_to_linear_data_offset(skb,
+ skb->len - 10,
+ ch_mac_addr,
+ ETH_ALEN);
skb->cb[0] = 0xff;
}