diff options
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 3 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_init.c | 74 |
2 files changed, 25 insertions, 52 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index f00efe8..56fad22 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -766,9 +766,6 @@ struct netxen_rx_buffer { u64 dma; u16 ref_handle; u16 state; - u32 lro_expected_frags; - u32 lro_current_frags; - u32 lro_length; }; /* Board types */ diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index d722589..1b8f79f 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -820,66 +820,37 @@ static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter, no_skb: buffer->state = NETXEN_BUFFER_FREE; - buffer->lro_current_frags = 0; - buffer->lro_expected_frags = 0; list_add_tail(&buffer->list, &rds_ring->free_list); return skb; } -static void netxen_process_rcv(struct netxen_adapter *adapter, - struct status_desc *desc) +static void +netxen_process_rcv(struct netxen_adapter *adapter, + int ring, int index, int length, int cksum, int pkt_offset) { struct net_device *netdev = adapter->netdev; - u64 sts_data = le64_to_cpu(desc->status_desc_data); - int index = netxen_get_sts_refhandle(sts_data); struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; struct netxen_rx_buffer *buffer; struct sk_buff *skb; - u32 length = netxen_get_sts_totallength(sts_data); - u32 desc_ctx; - u16 pkt_offset = 0, cksum; - struct nx_host_rds_ring *rds_ring; + struct nx_host_rds_ring *rds_ring = &recv_ctx->rds_rings[ring]; - desc_ctx = netxen_get_sts_type(sts_data); - if (unlikely(desc_ctx >= adapter->max_rds_rings)) - return; - - rds_ring = &recv_ctx->rds_rings[desc_ctx]; if (unlikely(index > rds_ring->num_desc)) return; buffer = &rds_ring->rx_buf_arr[index]; - if (desc_ctx == RCV_RING_LRO) { - buffer->lro_current_frags++; - if (netxen_get_sts_desc_lro_last_frag(desc)) { - buffer->lro_expected_frags = - netxen_get_sts_desc_lro_cnt(desc); - buffer->lro_length = length; - } - if (buffer->lro_current_frags != buffer->lro_expected_frags) { - return; - } - } - - cksum = netxen_get_sts_status(sts_data); skb = netxen_process_rxbuf(adapter, rds_ring, index, cksum); if (!skb) return; - if (desc_ctx == RCV_RING_LRO) { - /* True length was only available on the last pkt */ - skb_put(skb, buffer->lro_length); - } else { - if (length > rds_ring->skb_size) - skb_put(skb, rds_ring->skb_size); - else - skb_put(skb, length); + if (length > rds_ring->skb_size) + skb_put(skb, rds_ring->skb_size); + else + skb_put(skb, length); - pkt_offset = netxen_get_sts_pkt_offset(sts_data); - if (pkt_offset) - skb_pull(skb, pkt_offset); - } + + if (pkt_offset) + skb_pull(skb, pkt_offset); skb->protocol = eth_type_trans(skb, netdev); @@ -896,9 +867,9 @@ netxen_process_rcv_ring(struct netxen_adapter *adapter, int max) struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; struct status_desc *desc; u32 consumer = recv_ctx->status_rx_consumer; - int count = 0, ring; + int count = 0; u64 sts_data; - u16 opcode; + int opcode, ring, index, length, cksum, pkt_offset; while (count < max) { desc = &desc_head[consumer]; @@ -907,9 +878,19 @@ netxen_process_rcv_ring(struct netxen_adapter *adapter, int max) if (!(sts_data & STATUS_OWNER_HOST)) break; + ring = netxen_get_sts_type(sts_data); + if (ring > RCV_RING_JUMBO) + continue; + opcode = netxen_get_sts_opcode(sts_data); - netxen_process_rcv(adapter, desc); + index = netxen_get_sts_refhandle(sts_data); + length = netxen_get_sts_totallength(sts_data); + cksum = netxen_get_sts_status(sts_data); + pkt_offset = netxen_get_sts_pkt_offset(sts_data); + + netxen_process_rcv(adapter, ring, index, + length, cksum, pkt_offset); desc->status_desc_data = cpu_to_le64(STATUS_OWNER_PHANTOM); @@ -1019,7 +1000,6 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid) producer = rds_ring->producer; head = &rds_ring->free_list; - /* We can start writing rx descriptors into the phantom memory. */ while (!list_empty(head)) { skb = dev_alloc_skb(rds_ring->skb_size); @@ -1053,10 +1033,9 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid) producer = get_next_index(producer, rds_ring->num_desc); } - /* if we did allocate buffers, then write the count to Phantom */ + if (count) { rds_ring->producer = producer; - /* Window = 1 */ adapter->pci_write_normalize(adapter, rds_ring->crb_rcv_producer, (producer-1) & (rds_ring->num_desc-1)); @@ -1099,7 +1078,6 @@ netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid) producer = rds_ring->producer; head = &rds_ring->free_list; - /* We can start writing rx descriptors into the phantom memory. */ while (!list_empty(head)) { skb = dev_alloc_skb(rds_ring->skb_size); @@ -1134,10 +1112,8 @@ netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid) producer = get_next_index(producer, rds_ring->num_desc); } - /* if we did allocate buffers, then write the count to Phantom */ if (count) { rds_ring->producer = producer; - /* Window = 1 */ adapter->pci_write_normalize(adapter, rds_ring->crb_rcv_producer, (producer - 1) & (rds_ring->num_desc - 1)); |