diff options
| -rw-r--r-- | drivers/net/netxen/netxen_nic.h | 16 | ||||
| -rw-r--r-- | drivers/net/netxen/netxen_nic_init.c | 71 |
2 files changed, 13 insertions, 74 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index bd5fbb4ce86..73cb1164457 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -392,11 +392,8 @@ struct rcv_desc { #define STATUS_CKSUM_OK (2) /* owner bits of status_desc */ -#define STATUS_OWNER_HOST (0x1) -#define STATUS_OWNER_PHANTOM (0x2) - -#define NETXEN_PROT_IP (1) -#define NETXEN_PROT_UNKNOWN (0) +#define STATUS_OWNER_HOST (0x1ULL << 56) +#define STATUS_OWNER_PHANTOM (0x2ULL << 56) /* Note: sizeof(status_desc) should always be a mutliple of 2 */ @@ -422,15 +419,6 @@ struct rcv_desc { #define netxen_get_sts_opcode(sts_data) \ (((sts_data) >> 58) & 0x03F) -#define netxen_get_sts_owner(status_desc) \ - ((le64_to_cpu((status_desc)->status_desc_data) >> 56) & 0x03) -#define netxen_set_sts_owner(status_desc, val) { \ - (status_desc)->status_desc_data = \ - ((status_desc)->status_desc_data & \ - ~cpu_to_le64(0x3ULL << 56)) | \ - cpu_to_le64((u64)((val) & 0x3) << 56); \ -} - struct status_desc { /* Bit pattern: 0-3 port, 4-7 status, 8-11 type, 12-27 total_length 28-43 reference_handle, 44-47 protocol, 48-52 pkt_offset diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index f323cee1b95..f8164345e3b 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -838,13 +838,8 @@ no_skb: return skb; } -/* - * netxen_process_rcv() send the received packet to the protocol stack. - * and if the number of receives exceeds RX_BUFFERS_REFILL, then we - * invoke the routine to send more rx buffers to the Phantom... - */ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, - struct status_desc *desc, struct status_desc *frag_desc) + struct status_desc *desc) { struct net_device *netdev = adapter->netdev; u64 sts_data = le64_to_cpu(desc->status_desc_data); @@ -859,15 +854,11 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, desc_ctx = netxen_get_sts_type(sts_data); if (unlikely(desc_ctx >= NUM_RCV_DESC_RINGS)) { - printk("%s: %s Bad Rcv descriptor ring\n", - netxen_nic_driver_name, netdev->name); return; } rds_ring = &recv_ctx->rds_rings[desc_ctx]; if (unlikely(index > rds_ring->max_rx_desc_count)) { - DPRINTK(ERR, "Got a buffer index:%x Max is %x\n", - index, rds_ring->max_rx_desc_count); return; } buffer = &rds_ring->rx_buf_arr[index]; @@ -879,14 +870,6 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, buffer->lro_length = length; } if (buffer->lro_current_frags != buffer->lro_expected_frags) { - if (buffer->lro_expected_frags != 0) { - printk("LRO: (refhandle:%x) recv frag. " - "wait for last. flags: %x expected:%d " - "have:%d\n", index, - netxen_get_sts_desc_lro_last_frag(desc), - buffer->lro_expected_frags, - buffer->lro_current_frags); - } return; } } @@ -913,28 +896,10 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, skb->protocol = eth_type_trans(skb, netdev); - /* - * rx buffer chaining is disabled, walk and free - * any spurious rx buffer chain. - */ - if (frag_desc) { - u16 i, nr_frags = desc->nr_frags; - - dev_kfree_skb_any(skb); - for (i = 0; i < nr_frags; i++) { - index = le16_to_cpu(frag_desc->frag_handles[i]); - skb = netxen_process_rxbuf(adapter, - rds_ring, index, cksum); - if (skb) - dev_kfree_skb_any(skb); - } - adapter->stats.rxdropped++; - } else { - netif_receive_skb(skb); + netif_receive_skb(skb); - adapter->stats.no_rcv++; - adapter->stats.rxbytes += length; - } + adapter->stats.no_rcv++; + adapter->stats.rxbytes += length; } /* Process Receive status ring */ @@ -942,7 +907,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) { struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]); struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; - struct status_desc *desc, *frag_desc; + struct status_desc *desc; u32 consumer = recv_ctx->status_rx_consumer; int count = 0, ring; u64 sts_data; @@ -950,41 +915,27 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) while (count < max) { desc = &desc_head[consumer]; - if (!(netxen_get_sts_owner(desc) & STATUS_OWNER_HOST)) { - DPRINTK(ERR, "desc %p ownedby %x\n", desc, - netxen_get_sts_owner(desc)); + sts_data = le64_to_cpu(desc->status_desc_data); + + if (!(sts_data & STATUS_OWNER_HOST)) break; - } - sts_data = le64_to_cpu(desc->status_desc_data); opcode = netxen_get_sts_opcode(sts_data); - frag_desc = NULL; - if (opcode == NETXEN_NIC_RXPKT_DESC) { - if (desc->nr_frags) { - consumer = get_next_index(consumer, - adapter->max_rx_desc_count); - frag_desc = &desc_head[consumer]; - netxen_set_sts_owner(frag_desc, - STATUS_OWNER_PHANTOM); - } - } - netxen_process_rcv(adapter, ctxid, desc, frag_desc); + netxen_process_rcv(adapter, ctxid, desc); - netxen_set_sts_owner(desc, STATUS_OWNER_PHANTOM); + desc->status_desc_data = cpu_to_le64(STATUS_OWNER_PHANTOM); consumer = get_next_index(consumer, adapter->max_rx_desc_count); count++; } + for (ring = 0; ring < adapter->max_rds_rings; ring++) netxen_post_rx_buffers_nodb(adapter, ctxid, ring); - /* update the consumer index in phantom */ if (count) { recv_ctx->status_rx_consumer = consumer; - - /* Window = 1 */ adapter->pci_write_normalize(adapter, recv_ctx->crb_sts_consumer, consumer); } |