}
static void qed_ll2b_complete_rx_packet(struct qed_hwfn *p_hwfn,
- u8 connection_handle,
- struct qed_ll2_rx_packet *p_pkt,
- struct core_rx_fast_path_cqe *p_cqe,
- bool b_last_packet)
+ struct qed_ll2_comp_rx_data *data)
{
- u16 packet_length = le16_to_cpu(p_cqe->packet_length);
- struct qed_ll2_buffer *buffer = p_pkt->cookie;
+ struct qed_ll2_buffer *buffer = data->cookie;
struct qed_dev *cdev = p_hwfn->cdev;
- u16 vlan = le16_to_cpu(p_cqe->vlan);
- u32 opaque_data_0, opaque_data_1;
- u8 pad = p_cqe->placement_offset;
dma_addr_t new_phys_addr;
struct sk_buff *skb;
bool reuse = false;
int rc = -EINVAL;
u8 *new_data;
- opaque_data_0 = le32_to_cpu(p_cqe->opaque_data.data[0]);
- opaque_data_1 = le32_to_cpu(p_cqe->opaque_data.data[1]);
-
DP_VERBOSE(p_hwfn,
(NETIF_MSG_RX_STATUS | QED_MSG_STORAGE | NETIF_MSG_PKTDATA),
"Got an LL2 Rx completion: [Buffer at phys 0x%llx, offset 0x%02x] Length 0x%04x Parse_flags 0x%04x vlan 0x%04x Opaque data [0x%08x:0x%08x]\n",
- (u64)p_pkt->rx_buf_addr, pad, packet_length,
- le16_to_cpu(p_cqe->parse_flags.flags), vlan,
- opaque_data_0, opaque_data_1);
+ (u64)data->rx_buf_addr,
+ data->u.placement_offset,
+ data->length.packet_length,
+ data->parse_flags,
+ data->vlan, data->opaque_data_0, data->opaque_data_1);
if ((cdev->dp_module & NETIF_MSG_PKTDATA) && buffer->data) {
print_hex_dump(KERN_INFO, "",
DUMP_PREFIX_OFFSET, 16, 1,
- buffer->data, packet_length, false);
+ buffer->data, data->length.packet_length, false);
}
/* Determine if data is valid */
- if (packet_length < ETH_HLEN)
+ if (data->length.packet_length < ETH_HLEN)
reuse = true;
/* Allocate a replacement for buffer; Reuse upon failure */
goto out_post;
}
- pad += NET_SKB_PAD;
- skb_reserve(skb, pad);
- skb_put(skb, packet_length);
+ data->u.placement_offset += NET_SKB_PAD;
+ skb_reserve(skb, data->u.placement_offset);
+ skb_put(skb, data->length.packet_length);
skb_checksum_none_assert(skb);
/* Get parital ethernet information instead of eth_type_trans(),
/* Pass SKB onward */
if (cdev->ll2->cbs && cdev->ll2->cbs->rx_cb) {
- if (vlan)
- __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan);
+ if (data->vlan)
+ __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q),
+ data->vlan);
cdev->ll2->cbs->rx_cb(cdev->ll2->cb_cookie, skb,
- opaque_data_0, opaque_data_1);
+ data->opaque_data_0,
+ data->opaque_data_1);
}
/* Update Buffer information and update FW producer */
return 0;
}
-static int qed_ll2_rxq_completion_reg(struct qed_hwfn *p_hwfn,
- struct qed_ll2_info *p_ll2_conn,
- union core_rx_cqe_union *p_cqe,
- unsigned long *p_lock_flags,
- bool b_last_cqe)
+static void qed_ll2_rxq_parse_reg(struct qed_hwfn *p_hwfn,
+ union core_rx_cqe_union *p_cqe,
+ struct qed_ll2_comp_rx_data *data)
+{
+ data->parse_flags = le16_to_cpu(p_cqe->rx_cqe_fp.parse_flags.flags);
+ data->length.packet_length =
+ le16_to_cpu(p_cqe->rx_cqe_fp.packet_length);
+ data->vlan = le16_to_cpu(p_cqe->rx_cqe_fp.vlan);
+ data->opaque_data_0 = le32_to_cpu(p_cqe->rx_cqe_fp.opaque_data.data[0]);
+ data->opaque_data_1 = le32_to_cpu(p_cqe->rx_cqe_fp.opaque_data.data[1]);
+ data->u.placement_offset = p_cqe->rx_cqe_fp.placement_offset;
+}
+
+static int
+qed_ll2_rxq_handle_completion(struct qed_hwfn *p_hwfn,
+ struct qed_ll2_info *p_ll2_conn,
+ union core_rx_cqe_union *p_cqe,
+ unsigned long *p_lock_flags, bool b_last_cqe)
{
struct qed_ll2_rx_queue *p_rx = &p_ll2_conn->rx_queue;
struct qed_ll2_rx_packet *p_pkt = NULL;
+ struct qed_ll2_comp_rx_data data;
if (!list_empty(&p_rx->active_descq))
p_pkt = list_first_entry(&p_rx->active_descq,
struct qed_ll2_rx_packet, list_entry);
if (!p_pkt) {
DP_NOTICE(p_hwfn,
- "LL2 Rx completion but active_descq is empty\n");
+ "[%d] LL2 Rx completion but active_descq is empty\n",
+ p_ll2_conn->conn.conn_type);
+
return -EIO;
}
list_del(&p_pkt->list_entry);
+ qed_ll2_rxq_parse_reg(p_hwfn, p_cqe, &data);
if (qed_chain_consume(&p_rx->rxq_chain) != p_pkt->rxq_bd)
DP_NOTICE(p_hwfn,
"Mismatch between active_descq and the LL2 Rx chain\n");
+
list_add_tail(&p_pkt->list_entry, &p_rx->free_descq);
+ data.connection_handle = p_ll2_conn->my_id;
+ data.cookie = p_pkt->cookie;
+ data.rx_buf_addr = p_pkt->rx_buf_addr;
+ data.b_last_packet = b_last_cqe;
+
spin_unlock_irqrestore(&p_rx->lock, *p_lock_flags);
- qed_ll2b_complete_rx_packet(p_hwfn, p_ll2_conn->my_id,
- p_pkt, &p_cqe->rx_cqe_fp, b_last_cqe);
+ qed_ll2b_complete_rx_packet(p_hwfn, &data);
spin_lock_irqsave(&p_rx->lock, *p_lock_flags);
return 0;
cqe, flags, b_last_cqe);
break;
case CORE_RX_CQE_TYPE_REGULAR:
- rc = qed_ll2_rxq_completion_reg(p_hwfn, p_ll2_conn,
- cqe, &flags,
- b_last_cqe);
+ rc = qed_ll2_rxq_handle_completion(p_hwfn, p_ll2_conn,
+ cqe, &flags,
+ b_last_cqe);
break;
default:
rc = -EIO;