diff options
author | Dhananjay Phadke <dhananjay@netxen.com> | 2009-03-09 08:50:55 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-03-10 05:10:03 -0700 |
commit | becf46a012db667c562bbbe589c14e100b62e5a4 (patch) | |
tree | 1f6946aac18946fe2df637da385ac1020f755f76 /drivers/net | |
parent | 9f5bc7f1908665d7cf379f698c7bdc53bc10da85 (diff) | |
download | kernel_samsung_smdk4412-becf46a012db667c562bbbe589c14e100b62e5a4.zip kernel_samsung_smdk4412-becf46a012db667c562bbbe589c14e100b62e5a4.tar.gz kernel_samsung_smdk4412-becf46a012db667c562bbbe589c14e100b62e5a4.tar.bz2 |
netxen: cleanup superfluous multi-context code
MAX_RCV_CTX was set to 1, there's only rx context per
PCI function.
Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/netxen/netxen_nic.h | 7 | ||||
-rw-r--r-- | drivers/net/netxen/netxen_nic_ctx.c | 130 | ||||
-rw-r--r-- | drivers/net/netxen/netxen_nic_ethtool.c | 11 | ||||
-rw-r--r-- | drivers/net/netxen/netxen_nic_hdr.h | 6 | ||||
-rw-r--r-- | drivers/net/netxen/netxen_nic_init.c | 213 | ||||
-rw-r--r-- | drivers/net/netxen/netxen_nic_main.c | 30 |
6 files changed, 178 insertions, 219 deletions
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index b5c0d66..cde8e70 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -1280,7 +1280,7 @@ struct netxen_adapter { * Receive instances. These can be either one per port, * or one per peg, etc. */ - struct netxen_recv_context recv_ctx[MAX_RCV_CTX]; + struct netxen_recv_context recv_ctx; int is_up; struct netxen_dummy_dma dummy_dma; @@ -1464,10 +1464,9 @@ void netxen_initialize_adapter_ops(struct netxen_adapter *adapter); int netxen_init_firmware(struct netxen_adapter *adapter); void netxen_nic_clear_stats(struct netxen_adapter *adapter); void netxen_watchdog_task(struct work_struct *work); -void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, - u32 ringid); +void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid); int netxen_process_cmd_ring(struct netxen_adapter *adapter); -u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctx, int max); +int netxen_process_rcv_ring(struct netxen_adapter *adapter, int max); void netxen_p2_nic_set_multi(struct net_device *netdev); void netxen_p3_nic_set_multi(struct net_device *netdev); void netxen_p3_free_mac_list(struct netxen_adapter *adapter); diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c index 3e43706..d125dca 100644 --- a/drivers/net/netxen/netxen_nic_ctx.c +++ b/drivers/net/netxen/netxen_nic_ctx.c @@ -141,7 +141,7 @@ int nx_fw_cmd_set_mtu(struct netxen_adapter *adapter, int mtu) { u32 rcode = NX_RCODE_SUCCESS; - struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0]; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE) rcode = netxen_issue_cmd(adapter, @@ -179,7 +179,7 @@ nx_fw_cmd_create_rx_ctx(struct netxen_adapter *adapter) int err; - struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0]; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; /* only one sds ring for now */ nrds_rings = adapter->max_rds_rings; @@ -292,7 +292,7 @@ out_free_rq: static void nx_fw_cmd_destroy_rx_ctx(struct netxen_adapter *adapter) { - struct netxen_recv_context *recv_ctx = &adapter->recv_ctx[0]; + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; if (netxen_issue_cmd(adapter, adapter->ahw.pci_func, @@ -488,7 +488,7 @@ netxen_init_old_ctx(struct netxen_adapter *adapter) { struct netxen_recv_context *recv_ctx; struct nx_host_rds_ring *rds_ring; - int ctx, ring; + int ring; int func_id = adapter->portnum; adapter->ctx_desc->cmd_ring_addr = @@ -496,22 +496,20 @@ netxen_init_old_ctx(struct netxen_adapter *adapter) adapter->ctx_desc->cmd_ring_size = cpu_to_le32(adapter->max_tx_desc_count); - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - recv_ctx = &adapter->recv_ctx[ctx]; + recv_ctx = &adapter->recv_ctx; - for (ring = 0; ring < adapter->max_rds_rings; ring++) { - rds_ring = &recv_ctx->rds_rings[ring]; + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; - adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr = - cpu_to_le64(rds_ring->phys_addr); - adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size = - cpu_to_le32(rds_ring->max_rx_desc_count); - } - adapter->ctx_desc->sts_ring_addr = - cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr); - adapter->ctx_desc->sts_ring_size = - cpu_to_le32(adapter->max_rx_desc_count); + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr = + cpu_to_le64(rds_ring->phys_addr); + adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size = + cpu_to_le32(rds_ring->max_rx_desc_count); } + adapter->ctx_desc->sts_ring_addr = + cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr); + adapter->ctx_desc->sts_ring_size = + cpu_to_le32(adapter->max_rx_desc_count); adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id), lower32(adapter->ctx_desc_phys_addr)); @@ -533,7 +531,7 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter) u32 state = 0; void *addr; int err = 0; - int ctx, ring; + int ring; struct netxen_recv_context *recv_ctx; struct nx_host_rds_ring *rds_ring; @@ -575,48 +573,46 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter) hw->cmd_desc_head = (struct cmd_desc_type0 *)addr; - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - recv_ctx = &adapter->recv_ctx[ctx]; - - for (ring = 0; ring < adapter->max_rds_rings; ring++) { - /* rx desc ring */ - rds_ring = &recv_ctx->rds_rings[ring]; - addr = pci_alloc_consistent(adapter->pdev, - RCV_DESC_RINGSIZE, - &rds_ring->phys_addr); - if (addr == NULL) { - printk(KERN_ERR "%s failed to allocate rx " - "desc ring[%d]\n", - netxen_nic_driver_name, ring); - err = -ENOMEM; - goto err_out_free; - } - rds_ring->desc_head = (struct rcv_desc *)addr; - - if (adapter->fw_major < 4) - rds_ring->crb_rcv_producer = - recv_crb_registers[adapter->portnum]. - crb_rcv_producer[ring]; - } + recv_ctx = &adapter->recv_ctx; - /* status desc ring */ + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + /* rx desc ring */ + rds_ring = &recv_ctx->rds_rings[ring]; addr = pci_alloc_consistent(adapter->pdev, - STATUS_DESC_RINGSIZE, - &recv_ctx->rcv_status_desc_phys_addr); + RCV_DESC_RINGSIZE, + &rds_ring->phys_addr); if (addr == NULL) { - printk(KERN_ERR "%s failed to allocate sts desc ring\n", - netxen_nic_driver_name); + printk(KERN_ERR "%s failed to allocate rx " + "desc ring[%d]\n", + netxen_nic_driver_name, ring); err = -ENOMEM; goto err_out_free; } - recv_ctx->rcv_status_desc_head = (struct status_desc *)addr; + rds_ring->desc_head = (struct rcv_desc *)addr; if (adapter->fw_major < 4) - recv_ctx->crb_sts_consumer = + rds_ring->crb_rcv_producer = recv_crb_registers[adapter->portnum]. - crb_sts_consumer; + crb_rcv_producer[ring]; } + /* status desc ring */ + addr = pci_alloc_consistent(adapter->pdev, + STATUS_DESC_RINGSIZE, + &recv_ctx->rcv_status_desc_phys_addr); + if (addr == NULL) { + printk(KERN_ERR "%s failed to allocate sts desc ring\n", + netxen_nic_driver_name); + err = -ENOMEM; + goto err_out_free; + } + recv_ctx->rcv_status_desc_head = (struct status_desc *)addr; + + if (adapter->fw_major < 4) + recv_ctx->crb_sts_consumer = + recv_crb_registers[adapter->portnum]. + crb_sts_consumer; + if (adapter->fw_major >= 4) { adapter->intr_scheme = INTR_SCHEME_PERPORT; adapter->msi_mode = MSI_MODE_MULTIFUNC; @@ -654,7 +650,7 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) { struct netxen_recv_context *recv_ctx; struct nx_host_rds_ring *rds_ring; - int ctx, ring; + int ring; if (adapter->fw_major >= 4) { nx_fw_cmd_destroy_tx_ctx(adapter); @@ -679,27 +675,25 @@ void netxen_free_hw_resources(struct netxen_adapter *adapter) adapter->ahw.cmd_desc_head = NULL; } - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - recv_ctx = &adapter->recv_ctx[ctx]; - for (ring = 0; ring < adapter->max_rds_rings; ring++) { - rds_ring = &recv_ctx->rds_rings[ring]; - - if (rds_ring->desc_head != NULL) { - pci_free_consistent(adapter->pdev, - RCV_DESC_RINGSIZE, - rds_ring->desc_head, - rds_ring->phys_addr); - rds_ring->desc_head = NULL; - } - } + recv_ctx = &adapter->recv_ctx; + for (ring = 0; ring < adapter->max_rds_rings; ring++) { + rds_ring = &recv_ctx->rds_rings[ring]; - if (recv_ctx->rcv_status_desc_head != NULL) { + if (rds_ring->desc_head != NULL) { pci_free_consistent(adapter->pdev, - STATUS_DESC_RINGSIZE, - recv_ctx->rcv_status_desc_head, - recv_ctx->rcv_status_desc_phys_addr); - recv_ctx->rcv_status_desc_head = NULL; + RCV_DESC_RINGSIZE, + rds_ring->desc_head, + rds_ring->phys_addr); + rds_ring->desc_head = NULL; } } + + if (recv_ctx->rcv_status_desc_head != NULL) { + pci_free_consistent(adapter->pdev, + STATUS_DESC_RINGSIZE, + recv_ctx->rcv_status_desc_head, + recv_ctx->rcv_status_desc_phys_addr); + recv_ctx->rcv_status_desc_head = NULL; + } } diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index 6b25121..f811880 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -474,16 +474,13 @@ static void netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) { struct netxen_adapter *adapter = netdev_priv(dev); - int i; ring->rx_pending = 0; ring->rx_jumbo_pending = 0; - for (i = 0; i < MAX_RCV_CTX; ++i) { - ring->rx_pending += adapter->recv_ctx[i]. - rds_rings[RCV_DESC_NORMAL_CTXID].max_rx_desc_count; - ring->rx_jumbo_pending += adapter->recv_ctx[i]. - rds_rings[RCV_DESC_JUMBO_CTXID].max_rx_desc_count; - } + ring->rx_pending += adapter->recv_ctx. + rds_rings[RCV_DESC_NORMAL_CTXID].max_rx_desc_count; + ring->rx_jumbo_pending += adapter->recv_ctx. + rds_rings[RCV_DESC_JUMBO_CTXID].max_rx_desc_count; ring->tx_pending = adapter->max_tx_desc_count; if (adapter->ahw.board_type == NETXEN_NIC_GBE) diff --git a/drivers/net/netxen/netxen_nic_hdr.h b/drivers/net/netxen/netxen_nic_hdr.h index e589d4b..016c621 100644 --- a/drivers/net/netxen/netxen_nic_hdr.h +++ b/drivers/net/netxen/netxen_nic_hdr.h @@ -363,12 +363,6 @@ enum { #define NETXEN_HW_CRB_HUB_AGT_ADR_LPC \ ((NETXEN_HW_H6_CH_HUB_ADR << 7) | NETXEN_HW_LPC_CRB_AGT_ADR) -/* - * MAX_RCV_CTX : The number of receive contexts that are available on - * the phantom. - */ -#define MAX_RCV_CTX 1 - #define NETXEN_SRE_INT_STATUS (NETXEN_CRB_SRE + 0x00034) #define NETXEN_SRE_PBI_ACTIVE_STATUS (NETXEN_CRB_SRE + 0x01014) #define NETXEN_SRE_L1RE_CTL (NETXEN_CRB_SRE + 0x03000) diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 72aba63..bd5e0d6 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -49,8 +49,8 @@ static unsigned int crb_addr_xform[NETXEN_MAX_CRB_XFORM]; #define NETXEN_NIC_XDMA_RESET 0x8000ff -static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, - uint32_t ctx, uint32_t ringid); +static void +netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid); static void crb_addr_transform_setup(void) { @@ -148,23 +148,21 @@ void netxen_release_rx_buffers(struct netxen_adapter *adapter) struct netxen_recv_context *recv_ctx; 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 < 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, - rds_ring->dma_size, - PCI_DMA_FROMDEVICE); - if (rx_buf->skb != NULL) - dev_kfree_skb_any(rx_buf->skb); - } + int i, ring; + + recv_ctx = &adapter->recv_ctx; + 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, + rds_ring->dma_size, + PCI_DMA_FROMDEVICE); + if (rx_buf->skb != NULL) + dev_kfree_skb_any(rx_buf->skb); } } } @@ -205,18 +203,17 @@ void netxen_free_sw_resources(struct netxen_adapter *adapter) { struct netxen_recv_context *recv_ctx; 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 < 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; - } + int ring; + + recv_ctx = &adapter->recv_ctx; + 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; } } + if (adapter->cmd_buf_arr) vfree(adapter->cmd_buf_arr); return; @@ -227,7 +224,7 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter) struct netxen_recv_context *recv_ctx; struct nx_host_rds_ring *rds_ring; struct netxen_rx_buffer *rx_buf; - int ctx, ring, i, num_rx_bufs; + int ring, i, num_rx_bufs; struct netxen_cmd_buffer *cmd_buf_arr; struct net_device *netdev = adapter->netdev; @@ -241,74 +238,72 @@ int netxen_alloc_sw_resources(struct netxen_adapter *adapter) memset(cmd_buf_arr, 0, TX_RINGSIZE); adapter->cmd_buf_arr = cmd_buf_arr; - for (ctx = 0; ctx < MAX_RCV_CTX; ctx++) { - recv_ctx = &adapter->recv_ctx[ctx]; - 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: - rds_ring->max_rx_desc_count = - adapter->max_rx_desc_count; - rds_ring->flags = RCV_DESC_NORMAL; - if (adapter->ahw.cut_through) { - rds_ring->dma_size = - NX_CT_DEFAULT_RX_BUF_LEN; - rds_ring->skb_size = - NX_CT_DEFAULT_RX_BUF_LEN; - } else { - rds_ring->dma_size = RX_DMA_MAP_LEN; - rds_ring->skb_size = - MAX_RX_BUFFER_LENGTH; - } - break; - - case RCV_DESC_JUMBO: - rds_ring->max_rx_desc_count = - adapter->max_jumbo_rx_desc_count; - rds_ring->flags = RCV_DESC_JUMBO; - if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) - rds_ring->dma_size = - NX_P3_RX_JUMBO_BUF_MAX_LEN; - else - rds_ring->dma_size = - NX_P2_RX_JUMBO_BUF_MAX_LEN; + recv_ctx = &adapter->recv_ctx; + 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: + rds_ring->max_rx_desc_count = + adapter->max_rx_desc_count; + rds_ring->flags = RCV_DESC_NORMAL; + if (adapter->ahw.cut_through) { + rds_ring->dma_size = + NX_CT_DEFAULT_RX_BUF_LEN; rds_ring->skb_size = - rds_ring->dma_size + NET_IP_ALIGN; - break; + NX_CT_DEFAULT_RX_BUF_LEN; + } else { + rds_ring->dma_size = RX_DMA_MAP_LEN; + rds_ring->skb_size = + MAX_RX_BUFFER_LENGTH; + } + break; - case RCV_RING_LRO: - rds_ring->max_rx_desc_count = - adapter->max_lro_rx_desc_count; - 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; + case RCV_DESC_JUMBO: + rds_ring->max_rx_desc_count = + adapter->max_jumbo_rx_desc_count; + rds_ring->flags = RCV_DESC_JUMBO; + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) + rds_ring->dma_size = + NX_P3_RX_JUMBO_BUF_MAX_LEN; + else + rds_ring->dma_size = + NX_P2_RX_JUMBO_BUF_MAX_LEN; + rds_ring->skb_size = + rds_ring->dma_size + NET_IP_ALIGN; + break; - } - rds_ring->rx_buf_arr = (struct netxen_rx_buffer *) - vmalloc(RCV_BUFFSIZE); - 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(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE); - INIT_LIST_HEAD(&rds_ring->free_list); - /* - * Now go through all of them, set reference handles - * and put them in the queues. - */ - num_rx_bufs = rds_ring->max_rx_desc_count; - rx_buf = rds_ring->rx_buf_arr; - for (i = 0; i < num_rx_bufs; i++) { - list_add_tail(&rx_buf->list, - &rds_ring->free_list); - rx_buf->ref_handle = i; - rx_buf->state = NETXEN_BUFFER_FREE; - rx_buf++; - } + case RCV_RING_LRO: + rds_ring->max_rx_desc_count = + adapter->max_lro_rx_desc_count; + 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; + + } + rds_ring->rx_buf_arr = (struct netxen_rx_buffer *) + vmalloc(RCV_BUFFSIZE); + 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(rds_ring->rx_buf_arr, 0, RCV_BUFFSIZE); + INIT_LIST_HEAD(&rds_ring->free_list); + /* + * Now go through all of them, set reference handles + * and put them in the queues. + */ + num_rx_bufs = rds_ring->max_rx_desc_count; + rx_buf = rds_ring->rx_buf_arr; + for (i = 0; i < num_rx_bufs; i++) { + list_add_tail(&rx_buf->list, + &rds_ring->free_list); + rx_buf->ref_handle = i; + rx_buf->state = NETXEN_BUFFER_FREE; + rx_buf++; } } @@ -838,13 +833,13 @@ no_skb: return skb; } -static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, +static void netxen_process_rcv(struct netxen_adapter *adapter, struct status_desc *desc) { 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[ctxid]); + 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); @@ -902,10 +897,10 @@ static void netxen_process_rcv(struct netxen_adapter *adapter, int ctxid, adapter->stats.rxbytes += length; } -/* Process Receive status ring */ -u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) +int +netxen_process_rcv_ring(struct netxen_adapter *adapter, int max) { - struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctxid]); + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; struct status_desc *desc_head = recv_ctx->rcv_status_desc_head; struct status_desc *desc; u32 consumer = recv_ctx->status_rx_consumer; @@ -922,7 +917,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) opcode = netxen_get_sts_opcode(sts_data); - netxen_process_rcv(adapter, ctxid, desc); + netxen_process_rcv(adapter, desc); desc->status_desc_data = cpu_to_le64(STATUS_OWNER_PHANTOM); @@ -932,7 +927,7 @@ u32 netxen_process_rcv_ring(struct netxen_adapter *adapter, int ctxid, int max) } for (ring = 0; ring < adapter->max_rds_rings; ring++) - netxen_post_rx_buffers_nodb(adapter, ctxid, ring); + netxen_post_rx_buffers_nodb(adapter, ring); if (count) { recv_ctx->status_rx_consumer = consumer; @@ -1013,14 +1008,12 @@ int netxen_process_cmd_ring(struct netxen_adapter *adapter) return (done); } -/* - * netxen_post_rx_buffers puts buffer in the Phantom memory - */ -void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) +void +netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid) { struct pci_dev *pdev = adapter->pdev; struct sk_buff *skb; - struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; struct nx_host_rds_ring *rds_ring = NULL; uint producer; struct rcv_desc *pdesc; @@ -1098,12 +1091,12 @@ void netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ctx, u32 ringid) } } -static void netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, - uint32_t ctx, uint32_t ringid) +static void +netxen_post_rx_buffers_nodb(struct netxen_adapter *adapter, uint32_t ringid) { struct pci_dev *pdev = adapter->pdev; struct sk_buff *skb; - struct netxen_recv_context *recv_ctx = &(adapter->recv_ctx[ctx]); + struct netxen_recv_context *recv_ctx = &adapter->recv_ctx; struct nx_host_rds_ring *rds_ring = NULL; u32 producer; struct rcv_desc *pdesc; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 2953a83..3b4d923 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -790,7 +790,7 @@ netxen_nic_attach(struct netxen_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct pci_dev *pdev = adapter->pdev; - int err, ctx, ring; + int err, ring; err = netxen_init_firmware(adapter); if (err != 0) { @@ -829,10 +829,8 @@ netxen_nic_attach(struct netxen_adapter *adapter) netxen_nic_update_cmd_consumer(adapter, 0); } - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - for (ring = 0; ring < adapter->max_rds_rings; ring++) - netxen_post_rx_buffers(adapter, ctx, ring); - } + for (ring = 0; ring < adapter->max_rds_rings; ring++) + netxen_post_rx_buffers(adapter, ring); err = netxen_nic_request_irq(adapter); if (err) { @@ -1640,30 +1638,14 @@ static irqreturn_t netxen_msix_intr(int irq, void *data) static int netxen_nic_poll(struct napi_struct *napi, int budget) { - struct netxen_adapter *adapter = container_of(napi, struct netxen_adapter, napi); + struct netxen_adapter *adapter = + container_of(napi, struct netxen_adapter, napi); int tx_complete; - int ctx; int work_done; tx_complete = netxen_process_cmd_ring(adapter); - work_done = 0; - for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) { - /* - * Fairness issue. This will give undue weight to the - * receive context 0. - */ - - /* - * To avoid starvation, we give each of our receivers, - * a fraction of the quota. Sometimes, it might happen that we - * have enough quota to process every packet, but since all the - * packets are on one context, it gets only half of the quota, - * and ends up not processing it. - */ - work_done += netxen_process_rcv_ring(adapter, ctx, - budget / MAX_RCV_CTX); - } + work_done = netxen_process_rcv_ring(adapter, budget); if ((work_done < budget) && tx_complete) { napi_complete(&adapter->napi); |