netxen: remove old lro code

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index f00efe8..56fad22 100644 (file)
--- 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 (file)
--- 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));