struct be_port_rxf_stats *port_stats =
&rxf_stats->port[adapter->port_num];
struct net_device_stats *dev_stats = &adapter->stats.net_stats;
+ struct be_erx_stats *erx_stats = &hw_stats->erx;
dev_stats->rx_packets = port_stats->rx_total_frames;
dev_stats->tx_packets = port_stats->tx_unicastframes +
dev_stats->rx_errors = port_stats->rx_crc_errors +
port_stats->rx_alignment_symbol_errors +
port_stats->rx_in_range_errors +
- port_stats->rx_out_range_errors + port_stats->rx_frame_too_long;
-
- /* packet transmit problems */
- dev_stats->tx_errors = 0;
-
- /* no space in linux buffers */
- dev_stats->rx_dropped = 0;
-
- /* no space available in linux */
- dev_stats->tx_dropped = 0;
-
- dev_stats->multicast = port_stats->tx_multicastframes;
- dev_stats->collisions = 0;
+ port_stats->rx_out_range_errors +
+ port_stats->rx_frame_too_long +
+ port_stats->rx_dropped_too_small +
+ port_stats->rx_dropped_too_short +
+ port_stats->rx_dropped_header_too_small +
+ port_stats->rx_dropped_tcp_length +
+ port_stats->rx_dropped_runt +
+ port_stats->rx_tcp_checksum_errs +
+ port_stats->rx_ip_checksum_errs +
+ port_stats->rx_udp_checksum_errs;
+
+ /* no space in linux buffers: best possible approximation */
+ dev_stats->rx_dropped = erx_stats->rx_drops_no_fragments[0];
/* detailed rx errors */
dev_stats->rx_length_errors = port_stats->rx_in_range_errors +
- port_stats->rx_out_range_errors + port_stats->rx_frame_too_long;
+ port_stats->rx_out_range_errors +
+ port_stats->rx_frame_too_long;
+
/* receive ring buffer overflow */
dev_stats->rx_over_errors = 0;
+
dev_stats->rx_crc_errors = port_stats->rx_crc_errors;
/* frame alignment errors */
dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors;
+
/* receiver fifo overrun */
/* drops_no_pbuf is no per i/f, it's per BE card */
dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow +
rxf_stats->rx_drops_no_pbuf;
/* receiver missed packetd */
dev_stats->rx_missed_errors = 0;
+
+ /* packet transmit problems */
+ dev_stats->tx_errors = 0;
+
+ /* no space available in linux */
+ dev_stats->tx_dropped = 0;
+
+ dev_stats->multicast = port_stats->tx_multicastframes;
+ dev_stats->collisions = 0;
+
/* detailed tx_errors */
dev_stats->tx_aborted_errors = 0;
dev_stats->tx_carrier_errors = 0;
/* Determine number of WRB entries needed to xmit data in an skb */
static u32 wrb_cnt_for_skb(struct sk_buff *skb, bool *dummy)
{
- int cnt = 0;
- while (skb) {
- if (skb->len > skb->data_len)
- cnt++;
- cnt += skb_shinfo(skb)->nr_frags;
- skb = skb_shinfo(skb)->frag_list;
- }
+ int cnt = (skb->len > skb->data_len);
+
+ cnt += skb_shinfo(skb)->nr_frags;
+
/* to account for hdr wrb */
cnt++;
if (cnt & 1) {
hdr = queue_head_node(txq);
queue_head_inc(txq);
- while (skb) {
- if (skb->len > skb->data_len) {
- int len = skb->len - skb->data_len;
- busaddr = pci_map_single(pdev, skb->data, len,
- PCI_DMA_TODEVICE);
- wrb = queue_head_node(txq);
- wrb_fill(wrb, busaddr, len);
- be_dws_cpu_to_le(wrb, sizeof(*wrb));
- queue_head_inc(txq);
- copied += len;
- }
+ if (skb->len > skb->data_len) {
+ int len = skb->len - skb->data_len;
+ busaddr = pci_map_single(pdev, skb->data, len,
+ PCI_DMA_TODEVICE);
+ wrb = queue_head_node(txq);
+ wrb_fill(wrb, busaddr, len);
+ be_dws_cpu_to_le(wrb, sizeof(*wrb));
+ queue_head_inc(txq);
+ copied += len;
+ }
- for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
- struct skb_frag_struct *frag =
- &skb_shinfo(skb)->frags[i];
- busaddr = pci_map_page(pdev, frag->page,
- frag->page_offset,
- frag->size, PCI_DMA_TODEVICE);
- wrb = queue_head_node(txq);
- wrb_fill(wrb, busaddr, frag->size);
- be_dws_cpu_to_le(wrb, sizeof(*wrb));
- queue_head_inc(txq);
- copied += frag->size;
- }
- skb = skb_shinfo(skb)->frag_list;
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ struct skb_frag_struct *frag =
+ &skb_shinfo(skb)->frags[i];
+ busaddr = pci_map_page(pdev, frag->page,
+ frag->page_offset,
+ frag->size, PCI_DMA_TODEVICE);
+ wrb = queue_head_node(txq);
+ wrb_fill(wrb, busaddr, frag->size);
+ be_dws_cpu_to_le(wrb, sizeof(*wrb));
+ queue_head_inc(txq);
+ copied += frag->size;
}
if (dummy_wrb) {
be_txq_notify(&adapter->ctrl, txq->id, wrb_cnt);
- netdev->trans_start = jiffies;
-
be_tx_stats_update(adapter, wrb_cnt, copied, stopped);
return NETDEV_TX_OK;
}
stats->be_rx_bytes += pktsize;
}
+static inline bool do_pkt_csum(struct be_eth_rx_compl *rxcp, bool cso)
+{
+ u8 l4_cksm, ip_version, ipcksm, tcpf = 0, udpf = 0, ipv6_chk;
+
+ l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp);
+ ipcksm = AMAP_GET_BITS(struct amap_eth_rx_compl, ipcksm, rxcp);
+ ip_version = AMAP_GET_BITS(struct amap_eth_rx_compl, ip_version, rxcp);
+ if (ip_version) {
+ tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp);
+ udpf = AMAP_GET_BITS(struct amap_eth_rx_compl, udpf, rxcp);
+ }
+ ipv6_chk = (ip_version && (tcpf || udpf));
+
+ return ((l4_cksm && ipv6_chk && ipcksm) && cso) ? false : true;
+}
+
static struct be_rx_page_info *
get_rx_page_info(struct be_adapter *adapter, u16 frag_idx)
{
if (pktsize <= rx_frag_size) {
BUG_ON(num_rcvd != 1);
- return;
+ goto done;
}
/* More frags present for this completion */
memset(page_info, 0, sizeof(*page_info));
}
+done:
be_rx_stats_update(adapter, pktsize, num_rcvd);
return;
}
{
struct sk_buff *skb;
u32 vtp, vid;
- int l4_cksm;
- l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp);
vtp = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp);
skb = netdev_alloc_skb(adapter->netdev, BE_HDR_LEN + NET_IP_ALIGN);
skb_fill_rx_data(adapter, skb, rxcp);
- if (l4_cksm && adapter->rx_csum)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- else
+ if (do_pkt_csum(rxcp, adapter->rx_csum))
skb->ip_summed = CHECKSUM_NONE;
+ else
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
skb->truesize = skb->len + sizeof(struct sk_buff);
skb->protocol = eth_type_trans(skb, adapter->netdev);
be_dws_le_to_cpu(rxcp, sizeof(*rxcp));
- rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] = 0;
-
queue_tail_inc(&adapter->rx_obj.cq);
return rxcp;
}
+/* To reset the valid bit, we need to reset the whole word as
+ * when walking the queue the valid entries are little-endian
+ * and invalid entries are host endian
+ */
+static inline void be_rx_compl_reset(struct be_eth_rx_compl *rxcp)
+{
+ rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] = 0;
+}
+
static inline struct page *be_alloc_pages(u32 size)
{
gfp_t alloc_flags = GFP_ATOMIC;
/* First cleanup pending rx completions */
while ((rxcp = be_rx_compl_get(adapter)) != NULL) {
be_rx_compl_discard(adapter, rxcp);
+ be_rx_compl_reset(rxcp);
be_cq_notify(&adapter->ctrl, rx_cq->id, true, 1);
}
struct be_queue_info *q;
q = &adapter->tx_obj.q;
- if (q->created)
+ if (q->created) {
be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_TXQ);
+
+ /* No more tx completions can be rcvd now; clean up if there
+ * are any pending completions or pending tx requests */
+ be_tx_q_clean(adapter);
+ }
be_queue_free(adapter, q);
q = &adapter->tx_obj.cq;
be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_CQ);
be_queue_free(adapter, q);
- /* No more tx completions can be rcvd now; clean up if there are
- * any pending completions or pending tx requests */
- be_tx_q_clean(adapter);
-
q = &adapter->tx_eq.q;
if (q->created)
be_cmd_q_destroy(&adapter->ctrl, q, QTYPE_EQ);
be_rx_compl_process_lro(adapter, rxcp);
else
be_rx_compl_process(adapter, rxcp);
+
+ be_rx_compl_reset(rxcp);
}
lro_flush_all(&adapter->rx_obj.lro_mgr);
struct be_eq_obj *tx_eq = &adapter->tx_eq;
int vec;
- cancel_delayed_work(&adapter->work);
+ cancel_delayed_work_sync(&adapter->work);
netif_stop_queue(netdev);
netif_carrier_off(netdev);
netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO |
NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | NETIF_F_IP_CSUM |
- NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
+ NETIF_F_IPV6_CSUM;
netdev->flags |= IFF_MULTICAST;
+ adapter->rx_csum = true;
+
BE_SET_NETDEV_OPS(netdev, &be_netdev_ops);
SET_ETHTOOL_OPS(netdev, &be_ethtool_ops);
projects / deliverable / linux.git / blobdiff