diff options
author | Dhananjay Phadke <dhananjay@netxen.com> | 2008-07-21 19:44:06 -0700 |
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committer | Jeff Garzik <jgarzik@redhat.com> | 2008-07-22 17:52:04 -0400 |
commit | 48bfd1e0fc66b27254ec742b014e689ef218e76c (patch) | |
tree | fd380b835dc12a5500ff5972981ee9ae767639b4 /drivers/net/netxen/netxen_nic_init.c | |
parent | a97342f9790f14ac20bd5f8b16ed661411fa2e3e (diff) | |
download | op-kernel-dev-48bfd1e0fc66b27254ec742b014e689ef218e76c.zip op-kernel-dev-48bfd1e0fc66b27254ec742b014e689ef218e76c.tar.gz |
netxen: add netxen_nic_ctx.c
Contains rx and tx ring context management and certain
firmware commands for netxen firmware v4.0.0+.
This patch gathers all HW context management code into
netxen_nic_ctx.c.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/netxen/netxen_nic_init.c')
-rw-r--r-- | drivers/net/netxen/netxen_nic_init.c | 154 |
1 files changed, 79 insertions, 75 deletions
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 7c3fbc4..d222436 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -158,21 +158,21 @@ int netxen_init_firmware(struct netxen_adapter *adapter) void netxen_release_rx_buffers(struct netxen_adapter *adapter) { struct netxen_recv_context *recv_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; + struct nx_host_rds_ring *rds_ring; struct netxen_rx_buffer *rx_buf; int i, ctxid, ring; for (ctxid = 0; ctxid < MAX_RCV_CTX; ++ctxid) { recv_ctx = &adapter->recv_ctx[ctxid]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - for (i = 0; i < rcv_desc->max_rx_desc_count; ++i) { - rx_buf = &(rcv_desc->rx_buf_arr[i]); + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + for (i = 0; i < rds_ring->max_rx_desc_count; ++i) { + rx_buf = &(rds_ring->rx_buf_arr[i]); if (rx_buf->state == NETXEN_BUFFER_FREE) continue; pci_unmap_single(adapter->pdev, rx_buf->dma, - rcv_desc->dma_size, + rds_ring->dma_size, PCI_DMA_FROMDEVICE); if (rx_buf->skb != NULL) dev_kfree_skb_any(rx_buf->skb); @@ -216,16 +216,16 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter) void netxen_free_sw_resources(struct netxen_adapter *adapter) { struct netxen_recv_context *recv_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; + struct nx_host_rds_ring *rds_ring; int ctx, ring; for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) { recv_ctx = &adapter->recv_ctx[ctx]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; - if (rcv_desc->rx_buf_arr) { - vfree(rcv_desc->rx_buf_arr); - rcv_desc->rx_buf_arr = NULL; + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; + if (rds_ring->rx_buf_arr) { + vfree(rds_ring->rx_buf_arr); + rds_ring->rx_buf_arr = NULL; } } } @@ -237,7 +237,7 @@ void netxen_free_sw_resources(struct netxen_adapter *adapter) int netxen_alloc_sw_resources(struct netxen_adapter *adapter) { struct netxen_recv_context *recv_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; + struct nx_host_rds_ring *rds_ring; struct netxen_rx_buffer *rx_buf; int ctx, ring, i, num_rx_bufs; @@ -255,52 +255,52 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter) for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) { recv_ctx = &adapter->recv_ctx[ctx]; - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) { - rcv_desc = &recv_ctx->rcv_desc[ring]; + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; switch (RCV_DESC_TYPE(ring)) { case RCV_DESC_NORMAL: - rcv_desc->max_rx_desc_count = + rds_ring->max_rx_desc_count = adapter->max_rx_desc_count; - rcv_desc->flags = RCV_DESC_NORMAL; - rcv_desc->dma_size = RX_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_BUFFER_LENGTH; + rds_ring->flags = RCV_DESC_NORMAL; + rds_ring->dma_size = RX_DMA_MAP_LEN; + rds_ring->skb_size = MAX_RX_BUFFER_LENGTH; break; case RCV_DESC_JUMBO: - rcv_desc->max_rx_desc_count = + rds_ring->max_rx_desc_count = adapter->max_jumbo_rx_desc_count; - rcv_desc->flags = RCV_DESC_JUMBO; - rcv_desc->dma_size = RX_JUMBO_DMA_MAP_LEN; - rcv_desc->skb_size = + rds_ring->flags = RCV_DESC_JUMBO; + rds_ring->dma_size = RX_JUMBO_DMA_MAP_LEN; + rds_ring->skb_size = MAX_RX_JUMBO_BUFFER_LENGTH; break; case RCV_RING_LRO: - rcv_desc->max_rx_desc_count = + rds_ring->max_rx_desc_count = adapter->max_lro_rx_desc_count; - rcv_desc->flags = RCV_DESC_LRO; - rcv_desc->dma_size = RX_LRO_DMA_MAP_LEN; - rcv_desc->skb_size = MAX_RX_LRO_BUFFER_LENGTH; + rds_ring->flags = RCV_DESC_LRO; + rds_ring->dma_size = RX_LRO_DMA_MAP_LEN; + rds_ring->skb_size = MAX_RX_LRO_BUFFER_LENGTH; break; } - rcv_desc->rx_buf_arr = (struct netxen_rx_buffer *) + rds_ring->rx_buf_arr = (struct netxen_rx_buffer *) vmalloc(RCV_BUFFSIZE); - if (rcv_desc->rx_buf_arr == NULL) { + if (rds_ring->rx_buf_arr == NULL) { printk(KERN_ERR "%s: Failed to allocate " "rx buffer ring %d\n", netdev->name, ring); /* free whatever was already allocated */ goto err_out; } - memset(rcv_desc->rx_buf_arr, 0, RCV_BUFFSIZE); - rcv_desc->begin_alloc = 0; + memset(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE); + rds_ring->begin_alloc = 0; /* * Now go through all of them, set reference handles * and put them in the queues. */ - num_rx_bufs = rcv_desc->max_rx_desc_count; - rx_buf = rcv_desc->rx_buf_arr; + num_rx_bufs = rds_ring->max_rx_desc_count; + rx_buf = rds_ring->rx_buf_arr; for (i = 0; i < num_rx_bufs; i++) { rx_buf->ref_handle = i; rx_buf->state = NETXEN_BUFFER_FREE; @@ -1154,7 +1154,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, struct sk_buff *skb; u32 length = netxen_get_sts_totallength(sts_data); u32 desc_ctx; - struct netxen_rcv_desc_ctx *rcv_desc; + struct nx_host_rds_ring *rds_ring; int ret; desc_ctx = netxen_get_sts_type(sts_data); @@ -1164,13 +1164,13 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, return; } - rcv_desc = &recv_ctx->rcv_desc[desc_ctx]; - if (unlikely(index > rcv_desc->max_rx_desc_count)) { + 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, rcv_desc->max_rx_desc_count); + index, rds_ring->max_rx_desc_count); return; } - buffer = &rcv_desc->rx_buf_arr[index]; + buffer = &rds_ring->rx_buf_arr[index]; if (desc_ctx == RCV_DESC_LRO_CTXID) { buffer->lro_current_frags++; if (netxen_get_sts_desc_lro_last_frag(desc)) { @@ -1191,7 +1191,7 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, } } - pci_unmap_single(pdev, buffer->dma, rcv_desc->dma_size, + pci_unmap_single(pdev, buffer->dma, rds_ring->dma_size, PCI_DMA_FROMDEVICE); skb = (struct sk_buff *)buffer->skb; @@ -1249,7 +1249,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) consumer = (consumer + 1) & (adapter->max_rx_desc_count - 1); count++; } - for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) + for (ring = 0; ring < adapter->max_rds_rings; ring++) netxen_post_rx_buffers_nodb(adapter, ctxid, ring); /* update the consumer index in phantom */ @@ -1340,7 +1340,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) struct pci_dev *pdev = adapter->pdev; struct sk_buff *skb; struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); - struct netxen_rcv_desc_ctx *rcv_desc = NULL; + struct nx_host_rds_ring *rds_ring = NULL; uint producer; struct rcv_desc *pdesc; struct netxen_rx_buffer *buffer; @@ -1349,27 +1349,27 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) netxen_ctx_msg msg = 0; dma_addr_t dma; - rcv_desc = &recv_ctx->rcv_desc[ringid]; + rds_ring = &recv_ctx->rds_rings[ringid]; - producer = rcv_desc->producer; - index = rcv_desc->begin_alloc; - buffer = &rcv_desc->rx_buf_arr[index]; + producer = rds_ring->producer; + index = rds_ring->begin_alloc; + buffer = &rds_ring->rx_buf_arr[index]; /* We can start writing rx descriptors into the phantom memory. */ while (buffer->state == NETXEN_BUFFER_FREE) { - skb = dev_alloc_skb(rcv_desc->skb_size); + skb = dev_alloc_skb(rds_ring->skb_size); if (unlikely(!skb)) { /* * TODO * We need to schedule the posting of buffers to the pegs. */ - rcv_desc->begin_alloc = index; + rds_ring->begin_alloc = index; DPRINTK(ERR, "netxen_post_rx_buffers: " " allocated only %d buffers\n", count); break; } count++; /* now there should be no failure */ - pdesc = &rcv_desc->desc_head[producer]; + pdesc = &rds_ring->desc_head[producer]; #if defined(XGB_DEBUG) *(unsigned long *)(skb->head) = 0xc0debabe; @@ -1382,7 +1382,7 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) * buffer after it has been filled FSL TBD TBD * skb->dev = netdev; */ - dma = pci_map_single(pdev, skb->data, rcv_desc->dma_size, + dma = pci_map_single(pdev, skb->data, rds_ring->dma_size, PCI_DMA_FROMDEVICE); pdesc->addr_buffer = cpu_to_le64(dma); buffer->skb = skb; @@ -1390,36 +1390,40 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) buffer->dma = dma; /* make a rcv descriptor */ pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); - pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size); + pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); DPRINTK(INFO, "done writing descripter\n"); producer = - get_next_index(producer, rcv_desc->max_rx_desc_count); - index = get_next_index(index, rcv_desc->max_rx_desc_count); - buffer = &rcv_desc->rx_buf_arr[index]; + get_next_index(producer, rds_ring->max_rx_desc_count); + index = get_next_index(index, rds_ring->max_rx_desc_count); + buffer = &rds_ring->rx_buf_arr[index]; } /* if we did allocate buffers, then write the count to Phantom */ if (count) { - rcv_desc->begin_alloc = index; - rcv_desc->producer = producer; + rds_ring->begin_alloc = index; + rds_ring->producer = producer; /* Window = 1 */ adapter->pci_write_normalize(adapter, - rcv_desc->crb_rcv_producer, - (producer-1) & (rcv_desc->max_rx_desc_count-1)); + rds_ring->crb_rcv_producer, + (producer-1) & (rds_ring->max_rx_desc_count-1)); + + if (adapter->fw_major < 4) { /* * Write a doorbell msg to tell phanmon of change in * receive ring producer + * Only for firmware version < 4.0.0 */ netxen_set_msg_peg_id(msg, NETXEN_RCV_PEG_DB_ID); netxen_set_msg_privid(msg); netxen_set_msg_count(msg, ((producer - - 1) & (rcv_desc-> + 1) & (rds_ring-> max_rx_desc_count - 1))); netxen_set_msg_ctxid(msg, adapter->portnum); netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid)); writel(msg, DB_NORMALIZE(adapter, NETXEN_RCV_PRODUCER_OFFSET)); + } } } @@ -1429,32 +1433,32 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, struct pci_dev *pdev = adapter->pdev; struct sk_buff *skb; struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); - struct netxen_rcv_desc_ctx *rcv_desc = NULL; + struct nx_host_rds_ring *rds_ring = NULL; u32 producer; struct rcv_desc *pdesc; struct netxen_rx_buffer *buffer; int count = 0; int index = 0; - rcv_desc = &recv_ctx->rcv_desc[ringid]; + rds_ring = &recv_ctx->rds_rings[ringid]; - producer = rcv_desc->producer; - index = rcv_desc->begin_alloc; - buffer = &rcv_desc->rx_buf_arr[index]; + producer = rds_ring->producer; + index = rds_ring->begin_alloc; + buffer = &rds_ring->rx_buf_arr[index]; /* We can start writing rx descriptors into the phantom memory. */ while (buffer->state == NETXEN_BUFFER_FREE) { - skb = dev_alloc_skb(rcv_desc->skb_size); + skb = dev_alloc_skb(rds_ring->skb_size); if (unlikely(!skb)) { /* * We need to schedule the posting of buffers to the pegs. */ - rcv_desc->begin_alloc = index; + rds_ring->begin_alloc = index; DPRINTK(ERR, "netxen_post_rx_buffers_nodb: " " allocated only %d buffers\n", count); break; } count++; /* now there should be no failure */ - pdesc = &rcv_desc->desc_head[producer]; + pdesc = &rds_ring->desc_head[producer]; skb_reserve(skb, 2); /* * This will be setup when we receive the @@ -1464,27 +1468,27 @@ static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, buffer->skb = skb; buffer->state = NETXEN_BUFFER_BUSY; buffer->dma = pci_map_single(pdev, skb->data, - rcv_desc->dma_size, + rds_ring->dma_size, PCI_DMA_FROMDEVICE); /* make a rcv descriptor */ pdesc->reference_handle = cpu_to_le16(buffer->ref_handle); - pdesc->buffer_length = cpu_to_le32(rcv_desc->dma_size); + pdesc->buffer_length = cpu_to_le32(rds_ring->dma_size); pdesc->addr_buffer = cpu_to_le64(buffer->dma); producer = - get_next_index(producer, rcv_desc->max_rx_desc_count); - index = get_next_index(index, rcv_desc->max_rx_desc_count); - buffer = &rcv_desc->rx_buf_arr[index]; + get_next_index(producer, rds_ring->max_rx_desc_count); + index = get_next_index(index, rds_ring->max_rx_desc_count); + buffer = &rds_ring->rx_buf_arr[index]; } /* if we did allocate buffers, then write the count to Phantom */ if (count) { - rcv_desc->begin_alloc = index; - rcv_desc->producer = producer; + rds_ring->begin_alloc = index; + rds_ring->producer = producer; /* Window = 1 */ adapter->pci_write_normalize(adapter, - rcv_desc->crb_rcv_producer, - (producer-1) & (rcv_desc->max_rx_desc_count-1)); + rds_ring->crb_rcv_producer, + (producer-1) & (rds_ring->max_rx_desc_count-1)); wmb(); } } |