return BE3_chip(adapter) && be_ipv6_exthdr_check(skb);
}
-static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
- struct sk_buff *skb,
- bool *skip_hw_vlan)
+static struct sk_buff *be_lancer_xmit_workarounds(struct be_adapter *adapter,
+ struct sk_buff *skb,
+ bool *skip_hw_vlan)
{
struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
unsigned int eth_hdr_len;
struct iphdr *ip;
- /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less
- * may cause a transmit stall on that port. So the work-around is to
- * pad short packets (<= 32 bytes) to a 36-byte length.
- */
- if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
- if (skb_padto(skb, 36))
- goto tx_drop;
- skb->len = 36;
- }
-
/* For padded packets, BE HW modifies tot_len field in IP header
* incorrecly when VLAN tag is inserted by HW.
* For padded packets, Lancer computes incorrect checksum.
vlan_tx_tag_present(skb)) {
skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan);
if (unlikely(!skb))
- goto tx_drop;
+ goto err;
}
/* HW may lockup when VLAN HW tagging is requested on
be_vlan_tag_tx_chk(adapter, skb)) {
skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan);
if (unlikely(!skb))
- goto tx_drop;
+ goto err;
}
return skb;
tx_drop:
dev_kfree_skb_any(skb);
+err:
return NULL;
}
+static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
+ struct sk_buff *skb,
+ bool *skip_hw_vlan)
+{
+ /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or
+ * less may cause a transmit stall on that port. So the work-around is
+ * to pad short packets (<= 32 bytes) to a 36-byte length.
+ */
+ if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
+ if (skb_padto(skb, 36))
+ return NULL;
+ skb->len = 36;
+ }
+
+ if (BEx_chip(adapter) || lancer_chip(adapter)) {
+ skb = be_lancer_xmit_workarounds(adapter, skb, skip_hw_vlan);
+ if (!skb)
+ return NULL;
+ }
+
+ return skb;
+}
+
static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
return status;
}
+static void be_clear_promisc(struct be_adapter *adapter)
+{
+ adapter->promiscuous = false;
+ adapter->flags &= ~BE_FLAGS_VLAN_PROMISC;
+
+ be_cmd_rx_filter(adapter, IFF_PROMISC, OFF);
+}
+
static void be_set_rx_mode(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
/* BE was previously in promiscuous mode; disable it */
if (adapter->promiscuous) {
- adapter->promiscuous = false;
- be_cmd_rx_filter(adapter, IFF_PROMISC, OFF);
-
+ be_clear_promisc(adapter);
if (adapter->vlans_added)
be_vid_config(adapter);
}
if (vlan || qos) {
vlan |= qos << VLAN_PRIO_SHIFT;
- if (vf_cfg->vlan_tag != vlan) {
- /* If this is new value, program it. Else skip. */
- vf_cfg->vlan_tag = vlan;
+ if (vf_cfg->vlan_tag != vlan)
status = be_cmd_set_hsw_config(adapter, vlan, vf + 1,
vf_cfg->if_handle, 0);
- }
} else {
/* Reset Transparent Vlan Tagging. */
- vf_cfg->vlan_tag = 0;
- vlan = vf_cfg->def_vid;
- status = be_cmd_set_hsw_config(adapter, vlan, vf + 1,
- vf_cfg->if_handle, 0);
+ status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID,
+ vf + 1, vf_cfg->if_handle, 0);
}
-
- if (status)
+ if (!status)
+ vf_cfg->vlan_tag = vlan;
+ else
dev_info(&adapter->pdev->dev,
- "VLAN %d config on VF %d failed\n", vlan, vf);
+ "VLAN %d config on VF %d failed\n", vlan, vf);
return status;
}
rx_page_info = &rxo->page_info_tbl[frag_idx];
BUG_ON(!rx_page_info->page);
- if (rx_page_info->last_page_user) {
+ if (rx_page_info->last_frag) {
dma_unmap_page(&adapter->pdev->dev,
dma_unmap_addr(rx_page_info, bus),
adapter->big_page_size, DMA_FROM_DEVICE);
- rx_page_info->last_page_user = false;
+ rx_page_info->last_frag = false;
+ } else {
+ dma_sync_single_for_cpu(&adapter->pdev->dev,
+ dma_unmap_addr(rx_page_info, bus),
+ rx_frag_size, DMA_FROM_DEVICE);
}
queue_tail_inc(rxq);
rx_stats(rxo)->rx_post_fail++;
break;
}
- page_info->page_offset = 0;
+ page_offset = 0;
} else {
get_page(pagep);
- page_info->page_offset = page_offset + rx_frag_size;
+ page_offset += rx_frag_size;
}
- page_offset = page_info->page_offset;
+ page_info->page_offset = page_offset;
page_info->page = pagep;
- dma_unmap_addr_set(page_info, bus, page_dmaaddr);
- frag_dmaaddr = page_dmaaddr + page_info->page_offset;
rxd = queue_head_node(rxq);
+ frag_dmaaddr = page_dmaaddr + page_info->page_offset;
rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF);
rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr));
if ((page_offset + rx_frag_size + rx_frag_size) >
adapter->big_page_size) {
pagep = NULL;
- page_info->last_page_user = true;
+ page_info->last_frag = true;
+ dma_unmap_addr_set(page_info, bus, page_dmaaddr);
+ } else {
+ dma_unmap_addr_set(page_info, bus, frag_dmaaddr);
}
prev_page_info = page_info;
queue_head_inc(rxq);
page_info = &rxo->page_info_tbl[rxq->head];
}
- if (pagep)
- prev_page_info->last_page_user = true;
+
+ /* Mark the last frag of a page when we break out of the above loop
+ * with no more slots available in the RXQ
+ */
+ if (pagep) {
+ prev_page_info->last_frag = true;
+ dma_unmap_addr_set(prev_page_info, bus, page_dmaaddr);
+ }
if (posted) {
atomic_add(posted, &rxq->used);
static int be_vf_setup(struct be_adapter *adapter)
{
+ struct device *dev = &adapter->pdev->dev;
struct be_vf_cfg *vf_cfg;
- u16 def_vlan, lnk_speed;
int status, old_vfs, vf;
- struct device *dev = &adapter->pdev->dev;
u32 privileges;
+ u16 lnk_speed;
old_vfs = pci_num_vf(adapter->pdev);
if (old_vfs) {
if (!status)
vf_cfg->tx_rate = lnk_speed;
- status = be_cmd_get_hsw_config(adapter, &def_vlan,
- vf + 1, vf_cfg->if_handle, NULL);
- if (status)
- goto err;
- vf_cfg->def_vid = def_vlan;
-
if (!old_vfs)
be_cmd_enable_vf(adapter, vf + 1);
}
{
struct pci_dev *pdev = adapter->pdev;
bool use_sriov = false;
- int max_vfs;
-
- max_vfs = pci_sriov_get_totalvfs(pdev);
-
- if (BE3_chip(adapter) && sriov_want(adapter)) {
- res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0;
- use_sriov = res->max_vfs;
+ int max_vfs = 0;
+
+ if (be_physfn(adapter) && BE3_chip(adapter)) {
+ be_cmd_get_profile_config(adapter, res, 0);
+ /* Some old versions of BE3 FW don't report max_vfs value */
+ if (res->max_vfs == 0) {
+ max_vfs = pci_sriov_get_totalvfs(pdev);
+ res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0;
+ }
+ use_sriov = res->max_vfs && sriov_want(adapter);
}
if (be_physfn(adapter))
res->max_rx_qs = res->max_rss_qs + 1;
if (be_physfn(adapter))
- res->max_evt_qs = (max_vfs > 0) ?
+ res->max_evt_qs = (res->max_vfs > 0) ?
BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS;
else
res->max_evt_qs = 1;
projects / cascardo / linux.git / blobdiff