From 251a84c9272b88eac4888d610c44c821b277c6c9 Mon Sep 17 00:00:00 2001 From: Amit Kumar Salecha Date: Thu, 13 May 2010 03:07:46 +0000 Subject: [PATCH] qlcnic: cleanup unused code LRO ring, cut-thru mode and specific fw version are not valid to Qlogic CNA device. Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic.h | 6 ------ drivers/net/qlcnic/qlcnic_ethtool.c | 1 - drivers/net/qlcnic/qlcnic_init.c | 31 ++++++--------------------- drivers/net/qlcnic/qlcnic_main.c | 33 ++++------------------------- 4 files changed, 10 insertions(+), 61 deletions(-) diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h index 189453fc5047..ed9df150c20f 100644 --- a/drivers/net/qlcnic/qlcnic.h +++ b/drivers/net/qlcnic/qlcnic.h @@ -98,8 +98,6 @@ #define QLCNIC_CT_DEFAULT_RX_BUF_LEN 2048 #define QLCNIC_LRO_BUFFER_EXTRA 2048 -#define QLCNIC_RX_LRO_BUFFER_LENGTH (8060) - /* Opcodes to be used with the commands */ #define TX_ETHER_PKT 0x01 #define TX_TCP_PKT 0x02 @@ -133,7 +131,6 @@ #define RCV_RING_NORMAL 0 #define RCV_RING_JUMBO 1 -#define RCV_RING_LRO 2 #define MIN_CMD_DESCRIPTORS 64 #define MIN_RCV_DESCRIPTORS 64 @@ -144,7 +141,6 @@ #define MAX_RCV_DESCRIPTORS_10G 8192 #define MAX_JUMBO_RCV_DESCRIPTORS_1G 512 #define MAX_JUMBO_RCV_DESCRIPTORS_10G 1024 -#define MAX_LRO_RCV_DESCRIPTORS 8 #define DEFAULT_RCV_DESCRIPTORS_1G 2048 #define DEFAULT_RCV_DESCRIPTORS_10G 4096 @@ -402,7 +398,6 @@ struct qlcnic_hardware_context { rwlock_t crb_lock; struct mutex mem_lock; - u8 cut_through; u8 revision_id; u8 pci_func; u8 linkup; @@ -917,7 +912,6 @@ struct qlcnic_adapter { u16 num_txd; u16 num_rxd; u16 num_jumbo_rxd; - u16 num_lro_rxd; u8 max_rds_rings; u8 max_sds_rings; diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c index e494cccf8a93..3bd514ec7e8f 100644 --- a/drivers/net/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/qlcnic/qlcnic_ethtool.c @@ -412,7 +412,6 @@ qlcnic_get_ringparam(struct net_device *dev, ring->rx_pending = adapter->num_rxd; ring->rx_jumbo_pending = adapter->num_jumbo_rxd; - ring->rx_jumbo_pending += adapter->num_lro_rxd; ring->tx_pending = adapter->num_txd; if (adapter->ahw.port_type == QLCNIC_GBE) { diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index 9b010422e9a6..c4bef57b9cd0 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -230,17 +230,8 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) switch (ring) { case RCV_RING_NORMAL: rds_ring->num_desc = adapter->num_rxd; - if (adapter->ahw.cut_through) { - rds_ring->dma_size = - QLCNIC_CT_DEFAULT_RX_BUF_LEN; - rds_ring->skb_size = - QLCNIC_CT_DEFAULT_RX_BUF_LEN; - } else { - rds_ring->dma_size = - QLCNIC_P3_RX_BUF_MAX_LEN; - rds_ring->skb_size = - rds_ring->dma_size + NET_IP_ALIGN; - } + rds_ring->dma_size = QLCNIC_P3_RX_BUF_MAX_LEN; + rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; break; case RCV_RING_JUMBO: @@ -254,13 +245,6 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter) rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; break; - - case RCV_RING_LRO: - rds_ring->num_desc = adapter->num_lro_rxd; - rds_ring->dma_size = QLCNIC_RX_LRO_BUFFER_LENGTH; - rds_ring->skb_size = rds_ring->dma_size + NET_IP_ALIGN; - break; - } rds_ring->rx_buf_arr = (struct qlcnic_rx_buffer *) vmalloc(RCV_BUFF_RINGSIZE(rds_ring)); @@ -556,12 +540,10 @@ qlcnic_has_mn(struct qlcnic_adapter *adapter) QLCNIC_FW_VERSION_OFFSET, (int *)&flashed_ver); flashed_ver = QLCNIC_DECODE_VERSION(flashed_ver); - if (flashed_ver >= QLCNIC_VERSION_CODE(4, 0, 220)) { + capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); + if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) + return 1; - capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); - if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) - return 1; - } return 0; } @@ -1279,8 +1261,7 @@ qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter, skb = buffer->skb; - if (!adapter->ahw.cut_through) - skb_reserve(skb, 2); + skb_reserve(skb, 2); dma = pci_map_single(pdev, skb->data, rds_ring->dma_size, PCI_DMA_FROMDEVICE); diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c index a3d010a24747..50be833c3767 100644 --- a/drivers/net/qlcnic/qlcnic_main.c +++ b/drivers/net/qlcnic/qlcnic_main.c @@ -543,22 +543,10 @@ qlcnic_check_options(struct qlcnic_adapter *adapter) brd_name, adapter->ahw.revision_id); } - if (adapter->fw_version < QLCNIC_VERSION_CODE(3, 4, 216)) { - adapter->driver_mismatch = 1; - dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n", - fw_major, fw_minor, fw_build); - return; - } - - i = QLCRD32(adapter, QLCNIC_SRE_MISC); - adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0; - - dev_info(&pdev->dev, "firmware v%d.%d.%d [%s]\n", - fw_major, fw_minor, fw_build, - adapter->ahw.cut_through ? "cut-through" : "legacy"); + dev_info(&pdev->dev, "firmware v%d.%d.%d\n", + fw_major, fw_minor, fw_build); - if (adapter->fw_version >= QLCNIC_VERSION_CODE(4, 0, 222)) - adapter->capabilities = QLCRD32(adapter, CRB_FW_CAPABILITIES_1); + adapter->capabilities = QLCRD32(adapter, CRB_FW_CAPABILITIES_1); adapter->flags &= ~QLCNIC_LRO_ENABLED; @@ -575,7 +563,6 @@ qlcnic_check_options(struct qlcnic_adapter *adapter) adapter->num_txd = MAX_CMD_DESCRIPTORS; - adapter->num_lro_rxd = 0; adapter->max_rds_rings = 2; } @@ -2566,24 +2553,12 @@ qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) #define is_qlcnic_netdev(dev) (dev->netdev_ops == &qlcnic_netdev_ops) -static int -qlcnic_destip_supported(struct qlcnic_adapter *adapter) -{ - if (adapter->ahw.cut_through) - return 0; - - return 1; -} - static void qlcnic_config_indev_addr(struct net_device *dev, unsigned long event) { struct in_device *indev; struct qlcnic_adapter *adapter = netdev_priv(dev); - if (!qlcnic_destip_supported(adapter)) - return; - indev = in_dev_get(dev); if (!indev) return; @@ -2662,7 +2637,7 @@ recheck: adapter = netdev_priv(dev); - if (!adapter || !qlcnic_destip_supported(adapter)) + if (!adapter) goto done; if (adapter->is_up != QLCNIC_ADAPTER_UP_MAGIC) -- 2.30.2