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-rw-r--r--drivers/net/ixgbe/ixgbe_main.c360
1 files changed, 178 insertions, 182 deletions
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index b51391180907..2980a3736457 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1,7 +1,7 @@
1/******************************************************************************* 1/*******************************************************************************
2 2
3 Intel 10 Gigabit PCI Express Linux driver 3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2007 Intel Corporation. 4 Copyright(c) 1999 - 2008 Intel Corporation.
5 5
6 This program is free software; you can redistribute it and/or modify it 6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License, 7 under the terms and conditions of the GNU General Public License,
@@ -20,7 +20,6 @@
20 the file called "COPYING". 20 the file called "COPYING".
21 21
22 Contact Information: 22 Contact Information:
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 25
@@ -46,15 +45,14 @@
46 45
47char ixgbe_driver_name[] = "ixgbe"; 46char ixgbe_driver_name[] = "ixgbe";
48static const char ixgbe_driver_string[] = 47static const char ixgbe_driver_string[] =
49 "Intel(R) 10 Gigabit PCI Express Network Driver"; 48 "Intel(R) 10 Gigabit PCI Express Network Driver";
50 49
51#define DRV_VERSION "1.3.30-k2" 50#define DRV_VERSION "1.3.30-k2"
52const char ixgbe_driver_version[] = DRV_VERSION; 51const char ixgbe_driver_version[] = DRV_VERSION;
53static const char ixgbe_copyright[] = 52static char ixgbe_copyright[] = "Copyright (c) 1999-2007 Intel Corporation.";
54 "Copyright (c) 1999-2007 Intel Corporation.";
55 53
56static const struct ixgbe_info *ixgbe_info_tbl[] = { 54static const struct ixgbe_info *ixgbe_info_tbl[] = {
57 [board_82598] = &ixgbe_82598_info, 55 [board_82598] = &ixgbe_82598_info,
58}; 56};
59 57
60/* ixgbe_pci_tbl - PCI Device ID Table 58/* ixgbe_pci_tbl - PCI Device ID Table
@@ -84,7 +82,7 @@ MODULE_DEVICE_TABLE(pci, ixgbe_pci_tbl);
84 82
85#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) 83#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
86static int ixgbe_notify_dca(struct notifier_block *, unsigned long event, 84static int ixgbe_notify_dca(struct notifier_block *, unsigned long event,
87 void *p); 85 void *p);
88static struct notifier_block dca_notifier = { 86static struct notifier_block dca_notifier = {
89 .notifier_call = ixgbe_notify_dca, 87 .notifier_call = ixgbe_notify_dca,
90 .next = NULL, 88 .next = NULL,
@@ -106,7 +104,7 @@ static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter)
106 /* Let firmware take over control of h/w */ 104 /* Let firmware take over control of h/w */
107 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 105 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
108 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, 106 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
109 ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD); 107 ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD);
110} 108}
111 109
112static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter) 110static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter)
@@ -116,7 +114,7 @@ static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter)
116 /* Let firmware know the driver has taken over */ 114 /* Let firmware know the driver has taken over */
117 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT); 115 ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
118 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, 116 IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
119 ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD); 117 ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD);
120} 118}
121 119
122#ifdef DEBUG 120#ifdef DEBUG
@@ -133,7 +131,7 @@ char *ixgbe_get_hw_dev_name(struct ixgbe_hw *hw)
133#endif 131#endif
134 132
135static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, u16 int_alloc_entry, 133static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, u16 int_alloc_entry,
136 u8 msix_vector) 134 u8 msix_vector)
137{ 135{
138 u32 ivar, index; 136 u32 ivar, index;
139 137
@@ -146,12 +144,12 @@ static void ixgbe_set_ivar(struct ixgbe_adapter *adapter, u16 int_alloc_entry,
146} 144}
147 145
148static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter, 146static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
149 struct ixgbe_tx_buffer 147 struct ixgbe_tx_buffer
150 *tx_buffer_info) 148 *tx_buffer_info)
151{ 149{
152 if (tx_buffer_info->dma) { 150 if (tx_buffer_info->dma) {
153 pci_unmap_page(adapter->pdev, tx_buffer_info->dma, 151 pci_unmap_page(adapter->pdev, tx_buffer_info->dma,
154 tx_buffer_info->length, PCI_DMA_TODEVICE); 152 tx_buffer_info->length, PCI_DMA_TODEVICE);
155 tx_buffer_info->dma = 0; 153 tx_buffer_info->dma = 0;
156 } 154 }
157 if (tx_buffer_info->skb) { 155 if (tx_buffer_info->skb) {
@@ -162,8 +160,8 @@ static void ixgbe_unmap_and_free_tx_resource(struct ixgbe_adapter *adapter,
162} 160}
163 161
164static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter, 162static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
165 struct ixgbe_ring *tx_ring, 163 struct ixgbe_ring *tx_ring,
166 unsigned int eop) 164 unsigned int eop)
167{ 165{
168 struct ixgbe_hw *hw = &adapter->hw; 166 struct ixgbe_hw *hw = &adapter->hw;
169 u32 head, tail; 167 u32 head, tail;
@@ -198,14 +196,14 @@ static inline bool ixgbe_check_tx_hang(struct ixgbe_adapter *adapter,
198 return false; 196 return false;
199} 197}
200 198
201#define IXGBE_MAX_TXD_PWR 14 199#define IXGBE_MAX_TXD_PWR 14
202#define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR) 200#define IXGBE_MAX_DATA_PER_TXD (1 << IXGBE_MAX_TXD_PWR)
203 201
204/* Tx Descriptors needed, worst case */ 202/* Tx Descriptors needed, worst case */
205#define TXD_USE_COUNT(S) (((S) >> IXGBE_MAX_TXD_PWR) + \ 203#define TXD_USE_COUNT(S) (((S) >> IXGBE_MAX_TXD_PWR) + \
206 (((S) & (IXGBE_MAX_DATA_PER_TXD - 1)) ? 1 : 0)) 204 (((S) & (IXGBE_MAX_DATA_PER_TXD - 1)) ? 1 : 0))
207#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \ 205#define DESC_NEEDED (TXD_USE_COUNT(IXGBE_MAX_DATA_PER_TXD) /* skb->data */ + \
208 MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */ 206 MAX_SKB_FRAGS * TXD_USE_COUNT(PAGE_SIZE) + 1) /* for context */
209 207
210#define GET_TX_HEAD_FROM_RING(ring) (\ 208#define GET_TX_HEAD_FROM_RING(ring) (\
211 *(volatile u32 *) \ 209 *(volatile u32 *) \
@@ -313,7 +311,7 @@ done_cleaning:
313 311
314#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) 312#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
315static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter, 313static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter,
316 struct ixgbe_ring *rx_ring) 314 struct ixgbe_ring *rx_ring)
317{ 315{
318 u32 rxctrl; 316 u32 rxctrl;
319 int cpu = get_cpu(); 317 int cpu = get_cpu();
@@ -332,7 +330,7 @@ static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter,
332} 330}
333 331
334static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter, 332static void ixgbe_update_tx_dca(struct ixgbe_adapter *adapter,
335 struct ixgbe_ring *tx_ring) 333 struct ixgbe_ring *tx_ring)
336{ 334{
337 u32 txctrl; 335 u32 txctrl;
338 int cpu = get_cpu(); 336 int cpu = get_cpu();
@@ -408,8 +406,8 @@ static int __ixgbe_notify_dca(struct device *dev, void *data)
408 * @rx_desc: rx descriptor 406 * @rx_desc: rx descriptor
409 **/ 407 **/
410static void ixgbe_receive_skb(struct ixgbe_adapter *adapter, 408static void ixgbe_receive_skb(struct ixgbe_adapter *adapter,
411 struct sk_buff *skb, u8 status, 409 struct sk_buff *skb, u8 status,
412 struct ixgbe_ring *ring, 410 struct ixgbe_ring *ring,
413 union ixgbe_adv_rx_desc *rx_desc) 411 union ixgbe_adv_rx_desc *rx_desc)
414{ 412{
415 bool is_vlan = (status & IXGBE_RXD_STAT_VP); 413 bool is_vlan = (status & IXGBE_RXD_STAT_VP);
@@ -577,8 +575,8 @@ static inline u16 ixgbe_get_pkt_info(union ixgbe_adv_rx_desc *rx_desc)
577} 575}
578 576
579static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter, 577static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter,
580 struct ixgbe_ring *rx_ring, 578 struct ixgbe_ring *rx_ring,
581 int *work_done, int work_to_do) 579 int *work_done, int work_to_do)
582{ 580{
583 struct pci_dev *pdev = adapter->pdev; 581 struct pci_dev *pdev = adapter->pdev;
584 union ixgbe_adv_rx_desc *rx_desc, *next_rxd; 582 union ixgbe_adv_rx_desc *rx_desc, *next_rxd;
@@ -622,8 +620,8 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_adapter *adapter,
622 620
623 if (len && !skb_shinfo(skb)->nr_frags) { 621 if (len && !skb_shinfo(skb)->nr_frags) {
624 pci_unmap_single(pdev, rx_buffer_info->dma, 622 pci_unmap_single(pdev, rx_buffer_info->dma,
625 rx_ring->rx_buf_len + NET_IP_ALIGN, 623 rx_ring->rx_buf_len + NET_IP_ALIGN,
626 PCI_DMA_FROMDEVICE); 624 PCI_DMA_FROMDEVICE);
627 skb_put(skb, len); 625 skb_put(skb, len);
628 } 626 }
629 627
@@ -741,24 +739,24 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
741 q_vector = &adapter->q_vector[v_idx]; 739 q_vector = &adapter->q_vector[v_idx];
742 /* XXX for_each_bit(...) */ 740 /* XXX for_each_bit(...) */
743 r_idx = find_first_bit(q_vector->rxr_idx, 741 r_idx = find_first_bit(q_vector->rxr_idx,
744 adapter->num_rx_queues); 742 adapter->num_rx_queues);
745 743
746 for (i = 0; i < q_vector->rxr_count; i++) { 744 for (i = 0; i < q_vector->rxr_count; i++) {
747 j = adapter->rx_ring[r_idx].reg_idx; 745 j = adapter->rx_ring[r_idx].reg_idx;
748 ixgbe_set_ivar(adapter, IXGBE_IVAR_RX_QUEUE(j), v_idx); 746 ixgbe_set_ivar(adapter, IXGBE_IVAR_RX_QUEUE(j), v_idx);
749 r_idx = find_next_bit(q_vector->rxr_idx, 747 r_idx = find_next_bit(q_vector->rxr_idx,
750 adapter->num_rx_queues, 748 adapter->num_rx_queues,
751 r_idx + 1); 749 r_idx + 1);
752 } 750 }
753 r_idx = find_first_bit(q_vector->txr_idx, 751 r_idx = find_first_bit(q_vector->txr_idx,
754 adapter->num_tx_queues); 752 adapter->num_tx_queues);
755 753
756 for (i = 0; i < q_vector->txr_count; i++) { 754 for (i = 0; i < q_vector->txr_count; i++) {
757 j = adapter->tx_ring[r_idx].reg_idx; 755 j = adapter->tx_ring[r_idx].reg_idx;
758 ixgbe_set_ivar(adapter, IXGBE_IVAR_TX_QUEUE(j), v_idx); 756 ixgbe_set_ivar(adapter, IXGBE_IVAR_TX_QUEUE(j), v_idx);
759 r_idx = find_next_bit(q_vector->txr_idx, 757 r_idx = find_next_bit(q_vector->txr_idx,
760 adapter->num_tx_queues, 758 adapter->num_tx_queues,
761 r_idx + 1); 759 r_idx + 1);
762 } 760 }
763 761
764 /* if this is a tx only vector halve the interrupt rate */ 762 /* if this is a tx only vector halve the interrupt rate */
@@ -769,7 +767,7 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
769 q_vector->eitr = adapter->eitr_param; 767 q_vector->eitr = adapter->eitr_param;
770 768
771 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(v_idx), 769 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(v_idx),
772 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr)); 770 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
773 } 771 }
774 772
775 ixgbe_set_ivar(adapter, IXGBE_IVAR_OTHER_CAUSES_INDEX, v_idx); 773 ixgbe_set_ivar(adapter, IXGBE_IVAR_OTHER_CAUSES_INDEX, v_idx);
@@ -807,8 +805,8 @@ enum latency_range {
807 * parameter (see ixgbe_param.c) 805 * parameter (see ixgbe_param.c)
808 **/ 806 **/
809static u8 ixgbe_update_itr(struct ixgbe_adapter *adapter, 807static u8 ixgbe_update_itr(struct ixgbe_adapter *adapter,
810 u32 eitr, u8 itr_setting, 808 u32 eitr, u8 itr_setting,
811 int packets, int bytes) 809 int packets, int bytes)
812{ 810{
813 unsigned int retval = itr_setting; 811 unsigned int retval = itr_setting;
814 u32 timepassed_us; 812 u32 timepassed_us;
@@ -855,37 +853,37 @@ static void ixgbe_set_itr_msix(struct ixgbe_q_vector *q_vector)
855 u32 new_itr; 853 u32 new_itr;
856 u8 current_itr, ret_itr; 854 u8 current_itr, ret_itr;
857 int i, r_idx, v_idx = ((void *)q_vector - (void *)(adapter->q_vector)) / 855 int i, r_idx, v_idx = ((void *)q_vector - (void *)(adapter->q_vector)) /
858 sizeof(struct ixgbe_q_vector); 856 sizeof(struct ixgbe_q_vector);
859 struct ixgbe_ring *rx_ring, *tx_ring; 857 struct ixgbe_ring *rx_ring, *tx_ring;
860 858
861 r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues); 859 r_idx = find_first_bit(q_vector->txr_idx, adapter->num_tx_queues);
862 for (i = 0; i < q_vector->txr_count; i++) { 860 for (i = 0; i < q_vector->txr_count; i++) {
863 tx_ring = &(adapter->tx_ring[r_idx]); 861 tx_ring = &(adapter->tx_ring[r_idx]);
864 ret_itr = ixgbe_update_itr(adapter, q_vector->eitr, 862 ret_itr = ixgbe_update_itr(adapter, q_vector->eitr,
865 q_vector->tx_itr, 863 q_vector->tx_itr,
866 tx_ring->total_packets, 864 tx_ring->total_packets,
867 tx_ring->total_bytes); 865 tx_ring->total_bytes);
868 /* if the result for this queue would decrease interrupt 866 /* if the result for this queue would decrease interrupt
869 * rate for this vector then use that result */ 867 * rate for this vector then use that result */
870 q_vector->tx_itr = ((q_vector->tx_itr > ret_itr) ? 868 q_vector->tx_itr = ((q_vector->tx_itr > ret_itr) ?
871 q_vector->tx_itr - 1 : ret_itr); 869 q_vector->tx_itr - 1 : ret_itr);
872 r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, 870 r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues,
873 r_idx + 1); 871 r_idx + 1);
874 } 872 }
875 873
876 r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues); 874 r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
877 for (i = 0; i < q_vector->rxr_count; i++) { 875 for (i = 0; i < q_vector->rxr_count; i++) {
878 rx_ring = &(adapter->rx_ring[r_idx]); 876 rx_ring = &(adapter->rx_ring[r_idx]);
879 ret_itr = ixgbe_update_itr(adapter, q_vector->eitr, 877 ret_itr = ixgbe_update_itr(adapter, q_vector->eitr,
880 q_vector->rx_itr, 878 q_vector->rx_itr,
881 rx_ring->total_packets, 879 rx_ring->total_packets,
882 rx_ring->total_bytes); 880 rx_ring->total_bytes);
883 /* if the result for this queue would decrease interrupt 881 /* if the result for this queue would decrease interrupt
884 * rate for this vector then use that result */ 882 * rate for this vector then use that result */
885 q_vector->rx_itr = ((q_vector->rx_itr > ret_itr) ? 883 q_vector->rx_itr = ((q_vector->rx_itr > ret_itr) ?
886 q_vector->rx_itr - 1 : ret_itr); 884 q_vector->rx_itr - 1 : ret_itr);
887 r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues, 885 r_idx = find_next_bit(q_vector->rxr_idx, adapter->num_rx_queues,
888 r_idx + 1); 886 r_idx + 1);
889 } 887 }
890 888
891 current_itr = max(q_vector->rx_itr, q_vector->tx_itr); 889 current_itr = max(q_vector->rx_itr, q_vector->tx_itr);
@@ -912,7 +910,7 @@ static void ixgbe_set_itr_msix(struct ixgbe_q_vector *q_vector)
912 itr_reg = EITR_INTS_PER_SEC_TO_REG(new_itr); 910 itr_reg = EITR_INTS_PER_SEC_TO_REG(new_itr);
913 /* must write high and low 16 bits to reset counter */ 911 /* must write high and low 16 bits to reset counter */
914 DPRINTK(TX_ERR, DEBUG, "writing eitr(%d): %08X\n", v_idx, 912 DPRINTK(TX_ERR, DEBUG, "writing eitr(%d): %08X\n", v_idx,
915 itr_reg); 913 itr_reg);
916 IXGBE_WRITE_REG(hw, IXGBE_EITR(v_idx), itr_reg | (itr_reg)<<16); 914 IXGBE_WRITE_REG(hw, IXGBE_EITR(v_idx), itr_reg | (itr_reg)<<16);
917 } 915 }
918 916
@@ -970,7 +968,7 @@ static irqreturn_t ixgbe_msix_clean_tx(int irq, void *data)
970 tx_ring->total_packets = 0; 968 tx_ring->total_packets = 0;
971 ixgbe_clean_tx_irq(adapter, tx_ring); 969 ixgbe_clean_tx_irq(adapter, tx_ring);
972 r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues, 970 r_idx = find_next_bit(q_vector->txr_idx, adapter->num_tx_queues,
973 r_idx + 1); 971 r_idx + 1);
974 } 972 }
975 973
976 return IRQ_HANDLED; 974 return IRQ_HANDLED;
@@ -1029,7 +1027,7 @@ static irqreturn_t ixgbe_msix_clean_many(int irq, void *data)
1029static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget) 1027static int ixgbe_clean_rxonly(struct napi_struct *napi, int budget)
1030{ 1028{
1031 struct ixgbe_q_vector *q_vector = 1029 struct ixgbe_q_vector *q_vector =
1032 container_of(napi, struct ixgbe_q_vector, napi); 1030 container_of(napi, struct ixgbe_q_vector, napi);
1033 struct ixgbe_adapter *adapter = q_vector->adapter; 1031 struct ixgbe_adapter *adapter = q_vector->adapter;
1034 struct ixgbe_ring *rx_ring = NULL; 1032 struct ixgbe_ring *rx_ring = NULL;
1035 int work_done = 0; 1033 int work_done = 0;
@@ -1106,7 +1104,7 @@ static int ixgbe_clean_rxonly_many(struct napi_struct *napi, int budget)
1106 return work_done; 1104 return work_done;
1107} 1105}
1108static inline void map_vector_to_rxq(struct ixgbe_adapter *a, int v_idx, 1106static inline void map_vector_to_rxq(struct ixgbe_adapter *a, int v_idx,
1109 int r_idx) 1107 int r_idx)
1110{ 1108{
1111 a->q_vector[v_idx].adapter = a; 1109 a->q_vector[v_idx].adapter = a;
1112 set_bit(r_idx, a->q_vector[v_idx].rxr_idx); 1110 set_bit(r_idx, a->q_vector[v_idx].rxr_idx);
@@ -1115,7 +1113,7 @@ static inline void map_vector_to_rxq(struct ixgbe_adapter *a, int v_idx,
1115} 1113}
1116 1114
1117static inline void map_vector_to_txq(struct ixgbe_adapter *a, int v_idx, 1115static inline void map_vector_to_txq(struct ixgbe_adapter *a, int v_idx,
1118 int r_idx) 1116 int r_idx)
1119{ 1117{
1120 a->q_vector[v_idx].adapter = a; 1118 a->q_vector[v_idx].adapter = a;
1121 set_bit(r_idx, a->q_vector[v_idx].txr_idx); 1119 set_bit(r_idx, a->q_vector[v_idx].txr_idx);
@@ -1135,7 +1133,7 @@ static inline void map_vector_to_txq(struct ixgbe_adapter *a, int v_idx,
1135 * mapping configurations in here. 1133 * mapping configurations in here.
1136 **/ 1134 **/
1137static int ixgbe_map_rings_to_vectors(struct ixgbe_adapter *adapter, 1135static int ixgbe_map_rings_to_vectors(struct ixgbe_adapter *adapter,
1138 int vectors) 1136 int vectors)
1139{ 1137{
1140 int v_start = 0; 1138 int v_start = 0;
1141 int rxr_idx = 0, txr_idx = 0; 1139 int rxr_idx = 0, txr_idx = 0;
@@ -1212,28 +1210,28 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter)
1212 goto out; 1210 goto out;
1213 1211
1214#define SET_HANDLER(_v) ((!(_v)->rxr_count) ? &ixgbe_msix_clean_tx : \ 1212#define SET_HANDLER(_v) ((!(_v)->rxr_count) ? &ixgbe_msix_clean_tx : \
1215 (!(_v)->txr_count) ? &ixgbe_msix_clean_rx : \ 1213 (!(_v)->txr_count) ? &ixgbe_msix_clean_rx : \
1216 &ixgbe_msix_clean_many) 1214 &ixgbe_msix_clean_many)
1217 for (vector = 0; vector < q_vectors; vector++) { 1215 for (vector = 0; vector < q_vectors; vector++) {
1218 handler = SET_HANDLER(&adapter->q_vector[vector]); 1216 handler = SET_HANDLER(&adapter->q_vector[vector]);
1219 sprintf(adapter->name[vector], "%s:v%d-%s", 1217 sprintf(adapter->name[vector], "%s:v%d-%s",
1220 netdev->name, vector, 1218 netdev->name, vector,
1221 (handler == &ixgbe_msix_clean_rx) ? "Rx" : 1219 (handler == &ixgbe_msix_clean_rx) ? "Rx" :
1222 ((handler == &ixgbe_msix_clean_tx) ? "Tx" : "TxRx")); 1220 ((handler == &ixgbe_msix_clean_tx) ? "Tx" : "TxRx"));
1223 err = request_irq(adapter->msix_entries[vector].vector, 1221 err = request_irq(adapter->msix_entries[vector].vector,
1224 handler, 0, adapter->name[vector], 1222 handler, 0, adapter->name[vector],
1225 &(adapter->q_vector[vector])); 1223 &(adapter->q_vector[vector]));
1226 if (err) { 1224 if (err) {
1227 DPRINTK(PROBE, ERR, 1225 DPRINTK(PROBE, ERR,
1228 "request_irq failed for MSIX interrupt " 1226 "request_irq failed for MSIX interrupt "
1229 "Error: %d\n", err); 1227 "Error: %d\n", err);
1230 goto free_queue_irqs; 1228 goto free_queue_irqs;
1231 } 1229 }
1232 } 1230 }
1233 1231
1234 sprintf(adapter->name[vector], "%s:lsc", netdev->name); 1232 sprintf(adapter->name[vector], "%s:lsc", netdev->name);
1235 err = request_irq(adapter->msix_entries[vector].vector, 1233 err = request_irq(adapter->msix_entries[vector].vector,
1236 &ixgbe_msix_lsc, 0, adapter->name[vector], netdev); 1234 &ixgbe_msix_lsc, 0, adapter->name[vector], netdev);
1237 if (err) { 1235 if (err) {
1238 DPRINTK(PROBE, ERR, 1236 DPRINTK(PROBE, ERR,
1239 "request_irq for msix_lsc failed: %d\n", err); 1237 "request_irq for msix_lsc failed: %d\n", err);
@@ -1245,7 +1243,7 @@ static int ixgbe_request_msix_irqs(struct ixgbe_adapter *adapter)
1245free_queue_irqs: 1243free_queue_irqs:
1246 for (i = vector - 1; i >= 0; i--) 1244 for (i = vector - 1; i >= 0; i--)
1247 free_irq(adapter->msix_entries[--vector].vector, 1245 free_irq(adapter->msix_entries[--vector].vector,
1248 &(adapter->q_vector[i])); 1246 &(adapter->q_vector[i]));
1249 adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED; 1247 adapter->flags &= ~IXGBE_FLAG_MSIX_ENABLED;
1250 pci_disable_msix(adapter->pdev); 1248 pci_disable_msix(adapter->pdev);
1251 kfree(adapter->msix_entries); 1249 kfree(adapter->msix_entries);
@@ -1264,13 +1262,13 @@ static void ixgbe_set_itr(struct ixgbe_adapter *adapter)
1264 struct ixgbe_ring *tx_ring = &adapter->tx_ring[0]; 1262 struct ixgbe_ring *tx_ring = &adapter->tx_ring[0];
1265 1263
1266 q_vector->tx_itr = ixgbe_update_itr(adapter, new_itr, 1264 q_vector->tx_itr = ixgbe_update_itr(adapter, new_itr,
1267 q_vector->tx_itr, 1265 q_vector->tx_itr,
1268 tx_ring->total_packets, 1266 tx_ring->total_packets,
1269 tx_ring->total_bytes); 1267 tx_ring->total_bytes);
1270 q_vector->rx_itr = ixgbe_update_itr(adapter, new_itr, 1268 q_vector->rx_itr = ixgbe_update_itr(adapter, new_itr,
1271 q_vector->rx_itr, 1269 q_vector->rx_itr,
1272 rx_ring->total_packets, 1270 rx_ring->total_packets,
1273 rx_ring->total_bytes); 1271 rx_ring->total_bytes);
1274 1272
1275 current_itr = max(q_vector->rx_itr, q_vector->tx_itr); 1273 current_itr = max(q_vector->rx_itr, q_vector->tx_itr);
1276 1274
@@ -1373,10 +1371,10 @@ static int ixgbe_request_irq(struct ixgbe_adapter *adapter)
1373 err = ixgbe_request_msix_irqs(adapter); 1371 err = ixgbe_request_msix_irqs(adapter);
1374 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) { 1372 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1375 err = request_irq(adapter->pdev->irq, &ixgbe_intr, 0, 1373 err = request_irq(adapter->pdev->irq, &ixgbe_intr, 0,
1376 netdev->name, netdev); 1374 netdev->name, netdev);
1377 } else { 1375 } else {
1378 err = request_irq(adapter->pdev->irq, &ixgbe_intr, IRQF_SHARED, 1376 err = request_irq(adapter->pdev->irq, &ixgbe_intr, IRQF_SHARED,
1379 netdev->name, netdev); 1377 netdev->name, netdev);
1380 } 1378 }
1381 1379
1382 if (err) 1380 if (err)
@@ -1400,7 +1398,7 @@ static void ixgbe_free_irq(struct ixgbe_adapter *adapter)
1400 i--; 1398 i--;
1401 for (; i >= 0; i--) { 1399 for (; i >= 0; i--) {
1402 free_irq(adapter->msix_entries[i].vector, 1400 free_irq(adapter->msix_entries[i].vector,
1403 &(adapter->q_vector[i])); 1401 &(adapter->q_vector[i]));
1404 } 1402 }
1405 1403
1406 ixgbe_reset_q_vectors(adapter); 1404 ixgbe_reset_q_vectors(adapter);
@@ -1533,8 +1531,8 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
1533 srrctl |= IXGBE_RXBUFFER_2048 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT; 1531 srrctl |= IXGBE_RXBUFFER_2048 >> IXGBE_SRRCTL_BSIZEPKT_SHIFT;
1534 srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS; 1532 srrctl |= IXGBE_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS;
1535 srrctl |= ((IXGBE_RX_HDR_SIZE << 1533 srrctl |= ((IXGBE_RX_HDR_SIZE <<
1536 IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) & 1534 IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT) &
1537 IXGBE_SRRCTL_BSIZEHDR_MASK); 1535 IXGBE_SRRCTL_BSIZEHDR_MASK);
1538 } else { 1536 } else {
1539 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF; 1537 srrctl |= IXGBE_SRRCTL_DESCTYPE_ADV_ONEBUF;
1540 1538
@@ -1551,7 +1549,7 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter, int index)
1551/** 1549/**
1552 * ixgbe_get_skb_hdr - helper function for LRO header processing 1550 * ixgbe_get_skb_hdr - helper function for LRO header processing
1553 * @skb: pointer to sk_buff to be added to LRO packet 1551 * @skb: pointer to sk_buff to be added to LRO packet
1554 * @iphdr: pointer to tcp header structure 1552 * @iphdr: pointer to ip header structure
1555 * @tcph: pointer to tcp header structure 1553 * @tcph: pointer to tcp header structure
1556 * @hdr_flags: pointer to header flags 1554 * @hdr_flags: pointer to header flags
1557 * @priv: private data 1555 * @priv: private data
@@ -1576,7 +1574,7 @@ static int ixgbe_get_skb_hdr(struct sk_buff *skb, void **iphdr, void **tcph,
1576} 1574}
1577 1575
1578#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \ 1576#define PAGE_USE_COUNT(S) (((S) >> PAGE_SHIFT) + \
1579 (((S) & (PAGE_SIZE - 1)) ? 1 : 0)) 1577 (((S) & (PAGE_SIZE - 1)) ? 1 : 0))
1580 1578
1581/** 1579/**
1582 * ixgbe_configure_rx - Configure 8259x Receive Unit after Reset 1580 * ixgbe_configure_rx - Configure 8259x Receive Unit after Reset
@@ -1723,7 +1721,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter)
1723} 1721}
1724 1722
1725static void ixgbe_vlan_rx_register(struct net_device *netdev, 1723static void ixgbe_vlan_rx_register(struct net_device *netdev,
1726 struct vlan_group *grp) 1724 struct vlan_group *grp)
1727{ 1725{
1728 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1726 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1729 u32 ctrl; 1727 u32 ctrl;
@@ -1909,7 +1907,7 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter)
1909 ixgbe_configure_rx(adapter); 1907 ixgbe_configure_rx(adapter);
1910 for (i = 0; i < adapter->num_rx_queues; i++) 1908 for (i = 0; i < adapter->num_rx_queues; i++)
1911 ixgbe_alloc_rx_buffers(adapter, &adapter->rx_ring[i], 1909 ixgbe_alloc_rx_buffers(adapter, &adapter->rx_ring[i],
1912 (adapter->rx_ring[i].count - 1)); 1910 (adapter->rx_ring[i].count - 1));
1913} 1911}
1914 1912
1915static int ixgbe_up_complete(struct ixgbe_adapter *adapter) 1913static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
@@ -1927,7 +1925,7 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter)
1927 (adapter->flags & IXGBE_FLAG_MSI_ENABLED)) { 1925 (adapter->flags & IXGBE_FLAG_MSI_ENABLED)) {
1928 if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) { 1926 if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
1929 gpie = (IXGBE_GPIE_MSIX_MODE | IXGBE_GPIE_EIAME | 1927 gpie = (IXGBE_GPIE_MSIX_MODE | IXGBE_GPIE_EIAME |
1930 IXGBE_GPIE_PBA_SUPPORT | IXGBE_GPIE_OCD); 1928 IXGBE_GPIE_PBA_SUPPORT | IXGBE_GPIE_OCD);
1931 } else { 1929 } else {
1932 /* MSI only */ 1930 /* MSI only */
1933 gpie = 0; 1931 gpie = 0;
@@ -2037,7 +2035,7 @@ static int ixgbe_resume(struct pci_dev *pdev)
2037 err = pci_enable_device(pdev); 2035 err = pci_enable_device(pdev);
2038 if (err) { 2036 if (err) {
2039 printk(KERN_ERR "ixgbe: Cannot enable PCI device from " \ 2037 printk(KERN_ERR "ixgbe: Cannot enable PCI device from " \
2040 "suspend\n"); 2038 "suspend\n");
2041 return err; 2039 return err;
2042 } 2040 }
2043 pci_set_master(pdev); 2041 pci_set_master(pdev);
@@ -2068,7 +2066,7 @@ static int ixgbe_resume(struct pci_dev *pdev)
2068 * @rx_ring: ring to free buffers from 2066 * @rx_ring: ring to free buffers from
2069 **/ 2067 **/
2070static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter, 2068static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
2071 struct ixgbe_ring *rx_ring) 2069 struct ixgbe_ring *rx_ring)
2072{ 2070{
2073 struct pci_dev *pdev = adapter->pdev; 2071 struct pci_dev *pdev = adapter->pdev;
2074 unsigned long size; 2072 unsigned long size;
@@ -2082,8 +2080,8 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
2082 rx_buffer_info = &rx_ring->rx_buffer_info[i]; 2080 rx_buffer_info = &rx_ring->rx_buffer_info[i];
2083 if (rx_buffer_info->dma) { 2081 if (rx_buffer_info->dma) {
2084 pci_unmap_single(pdev, rx_buffer_info->dma, 2082 pci_unmap_single(pdev, rx_buffer_info->dma,
2085 rx_ring->rx_buf_len, 2083 rx_ring->rx_buf_len,
2086 PCI_DMA_FROMDEVICE); 2084 PCI_DMA_FROMDEVICE);
2087 rx_buffer_info->dma = 0; 2085 rx_buffer_info->dma = 0;
2088 } 2086 }
2089 if (rx_buffer_info->skb) { 2087 if (rx_buffer_info->skb) {
@@ -2119,7 +2117,7 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
2119 * @tx_ring: ring to be cleaned 2117 * @tx_ring: ring to be cleaned
2120 **/ 2118 **/
2121static void ixgbe_clean_tx_ring(struct ixgbe_adapter *adapter, 2119static void ixgbe_clean_tx_ring(struct ixgbe_adapter *adapter,
2122 struct ixgbe_ring *tx_ring) 2120 struct ixgbe_ring *tx_ring)
2123{ 2121{
2124 struct ixgbe_tx_buffer *tx_buffer_info; 2122 struct ixgbe_tx_buffer *tx_buffer_info;
2125 unsigned long size; 2123 unsigned long size;
@@ -2226,7 +2224,7 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
2226 adapter->flags |= IXGBE_FLAG_DCA_ENABLED; 2224 adapter->flags |= IXGBE_FLAG_DCA_ENABLED;
2227 /* always use CB2 mode, difference is masked 2225 /* always use CB2 mode, difference is masked
2228 * in the CB driver */ 2226 * in the CB driver */
2229 IXGBE_WRITE_REG(hw, IXGBE_DCA_CTRL, 2); 2227 IXGBE_WRITE_REG(hw, IXGBE_DCA_CTRL, 2);
2230 ixgbe_setup_dca(adapter); 2228 ixgbe_setup_dca(adapter);
2231 } 2229 }
2232#endif 2230#endif
@@ -2280,7 +2278,7 @@ static void ixgbe_shutdown(struct pci_dev *pdev)
2280static int ixgbe_poll(struct napi_struct *napi, int budget) 2278static int ixgbe_poll(struct napi_struct *napi, int budget)
2281{ 2279{
2282 struct ixgbe_q_vector *q_vector = container_of(napi, 2280 struct ixgbe_q_vector *q_vector = container_of(napi,
2283 struct ixgbe_q_vector, napi); 2281 struct ixgbe_q_vector, napi);
2284 struct ixgbe_adapter *adapter = q_vector->adapter; 2282 struct ixgbe_adapter *adapter = q_vector->adapter;
2285 int tx_cleaned, work_done = 0; 2283 int tx_cleaned, work_done = 0;
2286 2284
@@ -2371,7 +2369,7 @@ static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
2371} 2369}
2372 2370
2373static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter, 2371static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter,
2374 int vectors) 2372 int vectors)
2375{ 2373{
2376 int err, vector_threshold; 2374 int err, vector_threshold;
2377 2375
@@ -2390,7 +2388,7 @@ static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter,
2390 */ 2388 */
2391 while (vectors >= vector_threshold) { 2389 while (vectors >= vector_threshold) {
2392 err = pci_enable_msix(adapter->pdev, adapter->msix_entries, 2390 err = pci_enable_msix(adapter->pdev, adapter->msix_entries,
2393 vectors); 2391 vectors);
2394 if (!err) /* Success in acquiring all requested vectors. */ 2392 if (!err) /* Success in acquiring all requested vectors. */
2395 break; 2393 break;
2396 else if (err < 0) 2394 else if (err < 0)
@@ -2425,9 +2423,6 @@ static void ixgbe_acquire_msix_vectors(struct ixgbe_adapter *adapter,
2425 **/ 2423 **/
2426static void __devinit ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) 2424static void __devinit ixgbe_cache_ring_register(struct ixgbe_adapter *adapter)
2427{ 2425{
2428 /* TODO: Remove all uses of the indices in the cases where multiple
2429 * features are OR'd together, if the feature set makes sense.
2430 */
2431 int feature_mask = 0, rss_i; 2426 int feature_mask = 0, rss_i;
2432 int i, txr_idx, rxr_idx; 2427 int i, txr_idx, rxr_idx;
2433 2428
@@ -2468,12 +2463,12 @@ static int __devinit ixgbe_alloc_queues(struct ixgbe_adapter *adapter)
2468 int i; 2463 int i;
2469 2464
2470 adapter->tx_ring = kcalloc(adapter->num_tx_queues, 2465 adapter->tx_ring = kcalloc(adapter->num_tx_queues,
2471 sizeof(struct ixgbe_ring), GFP_KERNEL); 2466 sizeof(struct ixgbe_ring), GFP_KERNEL);
2472 if (!adapter->tx_ring) 2467 if (!adapter->tx_ring)
2473 goto err_tx_ring_allocation; 2468 goto err_tx_ring_allocation;
2474 2469
2475 adapter->rx_ring = kcalloc(adapter->num_rx_queues, 2470 adapter->rx_ring = kcalloc(adapter->num_rx_queues,
2476 sizeof(struct ixgbe_ring), GFP_KERNEL); 2471 sizeof(struct ixgbe_ring), GFP_KERNEL);
2477 if (!adapter->rx_ring) 2472 if (!adapter->rx_ring)
2478 goto err_rx_ring_allocation; 2473 goto err_rx_ring_allocation;
2479 2474
@@ -2505,7 +2500,7 @@ err_tx_ring_allocation:
2505 * capabilities of the hardware and the kernel. 2500 * capabilities of the hardware and the kernel.
2506 **/ 2501 **/
2507static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter 2502static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter
2508 *adapter) 2503 *adapter)
2509{ 2504{
2510 int err = 0; 2505 int err = 0;
2511 int vector, v_budget; 2506 int vector, v_budget;
@@ -2517,7 +2512,7 @@ static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter
2517 * (roughly) twice the number of vectors as there are CPU's. 2512 * (roughly) twice the number of vectors as there are CPU's.
2518 */ 2513 */
2519 v_budget = min(adapter->num_rx_queues + adapter->num_tx_queues, 2514 v_budget = min(adapter->num_rx_queues + adapter->num_tx_queues,
2520 (int)(num_online_cpus() * 2)) + NON_Q_VECTORS; 2515 (int)(num_online_cpus() * 2)) + NON_Q_VECTORS;
2521 2516
2522 /* 2517 /*
2523 * At the same time, hardware can only support a maximum of 2518 * At the same time, hardware can only support a maximum of
@@ -2531,7 +2526,7 @@ static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter
2531 /* A failure in MSI-X entry allocation isn't fatal, but it does 2526 /* A failure in MSI-X entry allocation isn't fatal, but it does
2532 * mean we disable MSI-X capabilities of the adapter. */ 2527 * mean we disable MSI-X capabilities of the adapter. */
2533 adapter->msix_entries = kcalloc(v_budget, 2528 adapter->msix_entries = kcalloc(v_budget,
2534 sizeof(struct msix_entry), GFP_KERNEL); 2529 sizeof(struct msix_entry), GFP_KERNEL);
2535 if (!adapter->msix_entries) { 2530 if (!adapter->msix_entries) {
2536 adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED; 2531 adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
2537 ixgbe_set_num_queues(adapter); 2532 ixgbe_set_num_queues(adapter);
@@ -2540,7 +2535,7 @@ static int __devinit ixgbe_set_interrupt_capability(struct ixgbe_adapter
2540 err = ixgbe_alloc_queues(adapter); 2535 err = ixgbe_alloc_queues(adapter);
2541 if (err) { 2536 if (err) {
2542 DPRINTK(PROBE, ERR, "Unable to allocate memory " 2537 DPRINTK(PROBE, ERR, "Unable to allocate memory "
2543 "for queues\n"); 2538 "for queues\n");
2544 goto out; 2539 goto out;
2545 } 2540 }
2546 2541
@@ -2561,7 +2556,7 @@ try_msi:
2561 adapter->flags |= IXGBE_FLAG_MSI_ENABLED; 2556 adapter->flags |= IXGBE_FLAG_MSI_ENABLED;
2562 } else { 2557 } else {
2563 DPRINTK(HW, DEBUG, "Unable to allocate MSI interrupt, " 2558 DPRINTK(HW, DEBUG, "Unable to allocate MSI interrupt, "
2564 "falling back to legacy. Error: %d\n", err); 2559 "falling back to legacy. Error: %d\n", err);
2565 /* reset err */ 2560 /* reset err */
2566 err = 0; 2561 err = 0;
2567 } 2562 }
@@ -2617,9 +2612,9 @@ static int __devinit ixgbe_init_interrupt_scheme(struct ixgbe_adapter *adapter)
2617 } 2612 }
2618 2613
2619 DPRINTK(DRV, INFO, "Multiqueue %s: Rx Queue count = %u, " 2614 DPRINTK(DRV, INFO, "Multiqueue %s: Rx Queue count = %u, "
2620 "Tx Queue count = %u\n", 2615 "Tx Queue count = %u\n",
2621 (adapter->num_rx_queues > 1) ? "Enabled" : 2616 (adapter->num_rx_queues > 1) ? "Enabled" :
2622 "Disabled", adapter->num_rx_queues, adapter->num_tx_queues); 2617 "Disabled", adapter->num_rx_queues, adapter->num_tx_queues);
2623 2618
2624 set_bit(__IXGBE_DOWN, &adapter->state); 2619 set_bit(__IXGBE_DOWN, &adapter->state);
2625 2620
@@ -2746,7 +2741,7 @@ err:
2746 * Returns 0 on success, negative on failure 2741 * Returns 0 on success, negative on failure
2747 **/ 2742 **/
2748int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter, 2743int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter,
2749 struct ixgbe_ring *rx_ring) 2744 struct ixgbe_ring *rx_ring)
2750{ 2745{
2751 struct pci_dev *pdev = adapter->pdev; 2746 struct pci_dev *pdev = adapter->pdev;
2752 int size; 2747 int size;
@@ -2761,7 +2756,7 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter,
2761 rx_ring->rx_buffer_info = vmalloc(size); 2756 rx_ring->rx_buffer_info = vmalloc(size);
2762 if (!rx_ring->rx_buffer_info) { 2757 if (!rx_ring->rx_buffer_info) {
2763 DPRINTK(PROBE, ERR, 2758 DPRINTK(PROBE, ERR,
2764 "vmalloc allocation failed for the rx desc ring\n"); 2759 "vmalloc allocation failed for the rx desc ring\n");
2765 goto alloc_failed; 2760 goto alloc_failed;
2766 } 2761 }
2767 memset(rx_ring->rx_buffer_info, 0, size); 2762 memset(rx_ring->rx_buffer_info, 0, size);
@@ -2774,7 +2769,7 @@ int ixgbe_setup_rx_resources(struct ixgbe_adapter *adapter,
2774 2769
2775 if (!rx_ring->desc) { 2770 if (!rx_ring->desc) {
2776 DPRINTK(PROBE, ERR, 2771 DPRINTK(PROBE, ERR,
2777 "Memory allocation failed for the rx desc ring\n"); 2772 "Memory allocation failed for the rx desc ring\n");
2778 vfree(rx_ring->rx_buffer_info); 2773 vfree(rx_ring->rx_buffer_info);
2779 goto alloc_failed; 2774 goto alloc_failed;
2780 } 2775 }
@@ -2827,7 +2822,7 @@ static void ixgbe_free_all_tx_resources(struct ixgbe_adapter *adapter)
2827} 2822}
2828 2823
2829/** 2824/**
2830 * ixgbe_ree_rx_resources - Free Rx Resources 2825 * ixgbe_free_rx_resources - Free Rx Resources
2831 * @adapter: board private structure 2826 * @adapter: board private structure
2832 * @rx_ring: ring to clean the resources from 2827 * @rx_ring: ring to clean the resources from
2833 * 2828 *
@@ -2881,11 +2876,10 @@ static int ixgbe_setup_all_tx_resources(struct ixgbe_adapter *adapter)
2881 2876
2882 for (i = 0; i < adapter->num_tx_queues; i++) { 2877 for (i = 0; i < adapter->num_tx_queues; i++) {
2883 err = ixgbe_setup_tx_resources(adapter, &adapter->tx_ring[i]); 2878 err = ixgbe_setup_tx_resources(adapter, &adapter->tx_ring[i]);
2884 if (err) { 2879 if (!err)
2885 DPRINTK(PROBE, ERR, 2880 continue;
2886 "Allocation for Tx Queue %u failed\n", i); 2881 DPRINTK(PROBE, ERR, "Allocation for Tx Queue %u failed\n", i);
2887 break; 2882 break;
2888 }
2889 } 2883 }
2890 2884
2891 return err; 2885 return err;
@@ -2908,11 +2902,10 @@ static int ixgbe_setup_all_rx_resources(struct ixgbe_adapter *adapter)
2908 2902
2909 for (i = 0; i < adapter->num_rx_queues; i++) { 2903 for (i = 0; i < adapter->num_rx_queues; i++) {
2910 err = ixgbe_setup_rx_resources(adapter, &adapter->rx_ring[i]); 2904 err = ixgbe_setup_rx_resources(adapter, &adapter->rx_ring[i]);
2911 if (err) { 2905 if (!err)
2912 DPRINTK(PROBE, ERR, 2906 continue;
2913 "Allocation for Rx Queue %u failed\n", i); 2907 DPRINTK(PROBE, ERR, "Allocation for Rx Queue %u failed\n", i);
2914 break; 2908 break;
2915 }
2916 } 2909 }
2917 2910
2918 return err; 2911 return err;
@@ -2935,7 +2928,7 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
2935 return -EINVAL; 2928 return -EINVAL;
2936 2929
2937 DPRINTK(PROBE, INFO, "changing MTU from %d to %d\n", 2930 DPRINTK(PROBE, INFO, "changing MTU from %d to %d\n",
2938 netdev->mtu, new_mtu); 2931 netdev->mtu, new_mtu);
2939 /* must set new MTU before calling down or up */ 2932 /* must set new MTU before calling down or up */
2940 netdev->mtu = new_mtu; 2933 netdev->mtu = new_mtu;
2941 2934
@@ -3102,7 +3095,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
3102 3095
3103 /* Rx Errors */ 3096 /* Rx Errors */
3104 adapter->net_stats.rx_errors = adapter->stats.crcerrs + 3097 adapter->net_stats.rx_errors = adapter->stats.crcerrs +
3105 adapter->stats.rlec; 3098 adapter->stats.rlec;
3106 adapter->net_stats.rx_dropped = 0; 3099 adapter->net_stats.rx_dropped = 0;
3107 adapter->net_stats.rx_length_errors = adapter->stats.rlec; 3100 adapter->net_stats.rx_length_errors = adapter->stats.rlec;
3108 adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs; 3101 adapter->net_stats.rx_crc_errors = adapter->stats.crcerrs;
@@ -3206,8 +3199,8 @@ static void ixgbe_watchdog_task(struct work_struct *work)
3206} 3199}
3207 3200
3208static int ixgbe_tso(struct ixgbe_adapter *adapter, 3201static int ixgbe_tso(struct ixgbe_adapter *adapter,
3209 struct ixgbe_ring *tx_ring, struct sk_buff *skb, 3202 struct ixgbe_ring *tx_ring, struct sk_buff *skb,
3210 u32 tx_flags, u8 *hdr_len) 3203 u32 tx_flags, u8 *hdr_len)
3211{ 3204{
3212 struct ixgbe_adv_tx_context_desc *context_desc; 3205 struct ixgbe_adv_tx_context_desc *context_desc;
3213 unsigned int i; 3206 unsigned int i;
@@ -3230,16 +3223,16 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
3230 iph->tot_len = 0; 3223 iph->tot_len = 0;
3231 iph->check = 0; 3224 iph->check = 0;
3232 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr, 3225 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
3233 iph->daddr, 0, 3226 iph->daddr, 0,
3234 IPPROTO_TCP, 3227 IPPROTO_TCP,
3235 0); 3228 0);
3236 adapter->hw_tso_ctxt++; 3229 adapter->hw_tso_ctxt++;
3237 } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) { 3230 } else if (skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6) {
3238 ipv6_hdr(skb)->payload_len = 0; 3231 ipv6_hdr(skb)->payload_len = 0;
3239 tcp_hdr(skb)->check = 3232 tcp_hdr(skb)->check =
3240 ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, 3233 ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
3241 &ipv6_hdr(skb)->daddr, 3234 &ipv6_hdr(skb)->daddr,
3242 0, IPPROTO_TCP, 0); 3235 0, IPPROTO_TCP, 0);
3243 adapter->hw_tso6_ctxt++; 3236 adapter->hw_tso6_ctxt++;
3244 } 3237 }
3245 3238
@@ -3253,7 +3246,7 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
3253 vlan_macip_lens |= 3246 vlan_macip_lens |=
3254 (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK); 3247 (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
3255 vlan_macip_lens |= ((skb_network_offset(skb)) << 3248 vlan_macip_lens |= ((skb_network_offset(skb)) <<
3256 IXGBE_ADVTXD_MACLEN_SHIFT); 3249 IXGBE_ADVTXD_MACLEN_SHIFT);
3257 *hdr_len += skb_network_offset(skb); 3250 *hdr_len += skb_network_offset(skb);
3258 vlan_macip_lens |= 3251 vlan_macip_lens |=
3259 (skb_transport_header(skb) - skb_network_header(skb)); 3252 (skb_transport_header(skb) - skb_network_header(skb));
@@ -3264,7 +3257,7 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
3264 3257
3265 /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ 3258 /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
3266 type_tucmd_mlhl = (IXGBE_TXD_CMD_DEXT | 3259 type_tucmd_mlhl = (IXGBE_TXD_CMD_DEXT |
3267 IXGBE_ADVTXD_DTYP_CTXT); 3260 IXGBE_ADVTXD_DTYP_CTXT);
3268 3261
3269 if (skb->protocol == htons(ETH_P_IP)) 3262 if (skb->protocol == htons(ETH_P_IP))
3270 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4; 3263 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
@@ -3293,8 +3286,8 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
3293} 3286}
3294 3287
3295static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter, 3288static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
3296 struct ixgbe_ring *tx_ring, 3289 struct ixgbe_ring *tx_ring,
3297 struct sk_buff *skb, u32 tx_flags) 3290 struct sk_buff *skb, u32 tx_flags)
3298{ 3291{
3299 struct ixgbe_adv_tx_context_desc *context_desc; 3292 struct ixgbe_adv_tx_context_desc *context_desc;
3300 unsigned int i; 3293 unsigned int i;
@@ -3311,16 +3304,16 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
3311 vlan_macip_lens |= 3304 vlan_macip_lens |=
3312 (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK); 3305 (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK);
3313 vlan_macip_lens |= (skb_network_offset(skb) << 3306 vlan_macip_lens |= (skb_network_offset(skb) <<
3314 IXGBE_ADVTXD_MACLEN_SHIFT); 3307 IXGBE_ADVTXD_MACLEN_SHIFT);
3315 if (skb->ip_summed == CHECKSUM_PARTIAL) 3308 if (skb->ip_summed == CHECKSUM_PARTIAL)
3316 vlan_macip_lens |= (skb_transport_header(skb) - 3309 vlan_macip_lens |= (skb_transport_header(skb) -
3317 skb_network_header(skb)); 3310 skb_network_header(skb));
3318 3311
3319 context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens); 3312 context_desc->vlan_macip_lens = cpu_to_le32(vlan_macip_lens);
3320 context_desc->seqnum_seed = 0; 3313 context_desc->seqnum_seed = 0;
3321 3314
3322 type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT | 3315 type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT |
3323 IXGBE_ADVTXD_DTYP_CTXT); 3316 IXGBE_ADVTXD_DTYP_CTXT);
3324 3317
3325 if (skb->ip_summed == CHECKSUM_PARTIAL) { 3318 if (skb->ip_summed == CHECKSUM_PARTIAL) {
3326 switch (skb->protocol) { 3319 switch (skb->protocol) {
@@ -3328,13 +3321,13 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
3328 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4; 3321 type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
3329 if (ip_hdr(skb)->protocol == IPPROTO_TCP) 3322 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
3330 type_tucmd_mlhl |= 3323 type_tucmd_mlhl |=
3331 IXGBE_ADVTXD_TUCMD_L4T_TCP; 3324 IXGBE_ADVTXD_TUCMD_L4T_TCP;
3332 break; 3325 break;
3333 case __constant_htons(ETH_P_IPV6): 3326 case __constant_htons(ETH_P_IPV6):
3334 /* XXX what about other V6 headers?? */ 3327 /* XXX what about other V6 headers?? */
3335 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) 3328 if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
3336 type_tucmd_mlhl |= 3329 type_tucmd_mlhl |=
3337 IXGBE_ADVTXD_TUCMD_L4T_TCP; 3330 IXGBE_ADVTXD_TUCMD_L4T_TCP;
3338 break; 3331 break;
3339 default: 3332 default:
3340 if (unlikely(net_ratelimit())) { 3333 if (unlikely(net_ratelimit())) {
@@ -3366,8 +3359,8 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
3366} 3359}
3367 3360
3368static int ixgbe_tx_map(struct ixgbe_adapter *adapter, 3361static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
3369 struct ixgbe_ring *tx_ring, 3362 struct ixgbe_ring *tx_ring,
3370 struct sk_buff *skb, unsigned int first) 3363 struct sk_buff *skb, unsigned int first)
3371{ 3364{
3372 struct ixgbe_tx_buffer *tx_buffer_info; 3365 struct ixgbe_tx_buffer *tx_buffer_info;
3373 unsigned int len = skb->len; 3366 unsigned int len = skb->len;
@@ -3385,8 +3378,8 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
3385 3378
3386 tx_buffer_info->length = size; 3379 tx_buffer_info->length = size;
3387 tx_buffer_info->dma = pci_map_single(adapter->pdev, 3380 tx_buffer_info->dma = pci_map_single(adapter->pdev,
3388 skb->data + offset, 3381 skb->data + offset,
3389 size, PCI_DMA_TODEVICE); 3382 size, PCI_DMA_TODEVICE);
3390 tx_buffer_info->time_stamp = jiffies; 3383 tx_buffer_info->time_stamp = jiffies;
3391 tx_buffer_info->next_to_watch = i; 3384 tx_buffer_info->next_to_watch = i;
3392 3385
@@ -3411,9 +3404,10 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
3411 3404
3412 tx_buffer_info->length = size; 3405 tx_buffer_info->length = size;
3413 tx_buffer_info->dma = pci_map_page(adapter->pdev, 3406 tx_buffer_info->dma = pci_map_page(adapter->pdev,
3414 frag->page, 3407 frag->page,
3415 offset, 3408 offset,
3416 size, PCI_DMA_TODEVICE); 3409 size,
3410 PCI_DMA_TODEVICE);
3417 tx_buffer_info->time_stamp = jiffies; 3411 tx_buffer_info->time_stamp = jiffies;
3418 tx_buffer_info->next_to_watch = i; 3412 tx_buffer_info->next_to_watch = i;
3419 3413
@@ -3436,8 +3430,8 @@ static int ixgbe_tx_map(struct ixgbe_adapter *adapter,
3436} 3430}
3437 3431
3438static void ixgbe_tx_queue(struct ixgbe_adapter *adapter, 3432static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
3439 struct ixgbe_ring *tx_ring, 3433 struct ixgbe_ring *tx_ring,
3440 int tx_flags, int count, u32 paylen, u8 hdr_len) 3434 int tx_flags, int count, u32 paylen, u8 hdr_len)
3441{ 3435{
3442 union ixgbe_adv_tx_desc *tx_desc = NULL; 3436 union ixgbe_adv_tx_desc *tx_desc = NULL;
3443 struct ixgbe_tx_buffer *tx_buffer_info; 3437 struct ixgbe_tx_buffer *tx_buffer_info;
@@ -3456,17 +3450,17 @@ static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
3456 cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE; 3450 cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE;
3457 3451
3458 olinfo_status |= IXGBE_TXD_POPTS_TXSM << 3452 olinfo_status |= IXGBE_TXD_POPTS_TXSM <<
3459 IXGBE_ADVTXD_POPTS_SHIFT; 3453 IXGBE_ADVTXD_POPTS_SHIFT;
3460 3454
3461 /* use index 1 context for tso */ 3455 /* use index 1 context for tso */
3462 olinfo_status |= (1 << IXGBE_ADVTXD_IDX_SHIFT); 3456 olinfo_status |= (1 << IXGBE_ADVTXD_IDX_SHIFT);
3463 if (tx_flags & IXGBE_TX_FLAGS_IPV4) 3457 if (tx_flags & IXGBE_TX_FLAGS_IPV4)
3464 olinfo_status |= IXGBE_TXD_POPTS_IXSM << 3458 olinfo_status |= IXGBE_TXD_POPTS_IXSM <<
3465 IXGBE_ADVTXD_POPTS_SHIFT; 3459 IXGBE_ADVTXD_POPTS_SHIFT;
3466 3460
3467 } else if (tx_flags & IXGBE_TX_FLAGS_CSUM) 3461 } else if (tx_flags & IXGBE_TX_FLAGS_CSUM)
3468 olinfo_status |= IXGBE_TXD_POPTS_TXSM << 3462 olinfo_status |= IXGBE_TXD_POPTS_TXSM <<
3469 IXGBE_ADVTXD_POPTS_SHIFT; 3463 IXGBE_ADVTXD_POPTS_SHIFT;
3470 3464
3471 olinfo_status |= ((paylen - hdr_len) << IXGBE_ADVTXD_PAYLEN_SHIFT); 3465 olinfo_status |= ((paylen - hdr_len) << IXGBE_ADVTXD_PAYLEN_SHIFT);
3472 3466
@@ -3476,7 +3470,7 @@ static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
3476 tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i); 3470 tx_desc = IXGBE_TX_DESC_ADV(*tx_ring, i);
3477 tx_desc->read.buffer_addr = cpu_to_le64(tx_buffer_info->dma); 3471 tx_desc->read.buffer_addr = cpu_to_le64(tx_buffer_info->dma);
3478 tx_desc->read.cmd_type_len = 3472 tx_desc->read.cmd_type_len =
3479 cpu_to_le32(cmd_type_len | tx_buffer_info->length); 3473 cpu_to_le32(cmd_type_len | tx_buffer_info->length);
3480 tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status); 3474 tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
3481 3475
3482 i++; 3476 i++;
@@ -3499,7 +3493,7 @@ static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
3499} 3493}
3500 3494
3501static int __ixgbe_maybe_stop_tx(struct net_device *netdev, 3495static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
3502 struct ixgbe_ring *tx_ring, int size) 3496 struct ixgbe_ring *tx_ring, int size)
3503{ 3497{
3504 struct ixgbe_adapter *adapter = netdev_priv(netdev); 3498 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3505 3499
@@ -3521,7 +3515,7 @@ static int __ixgbe_maybe_stop_tx(struct net_device *netdev,
3521} 3515}
3522 3516
3523static int ixgbe_maybe_stop_tx(struct net_device *netdev, 3517static int ixgbe_maybe_stop_tx(struct net_device *netdev,
3524 struct ixgbe_ring *tx_ring, int size) 3518 struct ixgbe_ring *tx_ring, int size)
3525{ 3519{
3526 if (likely(IXGBE_DESC_UNUSED(tx_ring) >= size)) 3520 if (likely(IXGBE_DESC_UNUSED(tx_ring) >= size))
3527 return 0; 3521 return 0;
@@ -3575,12 +3569,12 @@ static int ixgbe_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
3575 if (tso) 3569 if (tso)
3576 tx_flags |= IXGBE_TX_FLAGS_TSO; 3570 tx_flags |= IXGBE_TX_FLAGS_TSO;
3577 else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags) && 3571 else if (ixgbe_tx_csum(adapter, tx_ring, skb, tx_flags) &&
3578 (skb->ip_summed == CHECKSUM_PARTIAL)) 3572 (skb->ip_summed == CHECKSUM_PARTIAL))
3579 tx_flags |= IXGBE_TX_FLAGS_CSUM; 3573 tx_flags |= IXGBE_TX_FLAGS_CSUM;
3580 3574
3581 ixgbe_tx_queue(adapter, tx_ring, tx_flags, 3575 ixgbe_tx_queue(adapter, tx_ring, tx_flags,
3582 ixgbe_tx_map(adapter, tx_ring, skb, first), 3576 ixgbe_tx_map(adapter, tx_ring, skb, first),
3583 skb->len, hdr_len); 3577 skb->len, hdr_len);
3584 3578
3585 netdev->trans_start = jiffies; 3579 netdev->trans_start = jiffies;
3586 3580
@@ -3614,15 +3608,16 @@ static struct net_device_stats *ixgbe_get_stats(struct net_device *netdev)
3614static int ixgbe_set_mac(struct net_device *netdev, void *p) 3608static int ixgbe_set_mac(struct net_device *netdev, void *p)
3615{ 3609{
3616 struct ixgbe_adapter *adapter = netdev_priv(netdev); 3610 struct ixgbe_adapter *adapter = netdev_priv(netdev);
3611 struct ixgbe_hw *hw = &adapter->hw;
3617 struct sockaddr *addr = p; 3612 struct sockaddr *addr = p;
3618 3613
3619 if (!is_valid_ether_addr(addr->sa_data)) 3614 if (!is_valid_ether_addr(addr->sa_data))
3620 return -EADDRNOTAVAIL; 3615 return -EADDRNOTAVAIL;
3621 3616
3622 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); 3617 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
3623 memcpy(adapter->hw.mac.addr, addr->sa_data, netdev->addr_len); 3618 memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
3624 3619
3625 adapter->hw.mac.ops.set_rar(&adapter->hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV); 3620 hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
3626 3621
3627 return 0; 3622 return 0;
3628} 3623}
@@ -3682,7 +3677,7 @@ static void ixgbe_napi_add_all(struct ixgbe_adapter *adapter)
3682 for (i = 0; i < q_vectors; i++) { 3677 for (i = 0; i < q_vectors; i++) {
3683 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i]; 3678 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
3684 netif_napi_add(adapter->netdev, &q_vector->napi, 3679 netif_napi_add(adapter->netdev, &q_vector->napi,
3685 (*poll), 64); 3680 (*poll), 64);
3686 } 3681 }
3687} 3682}
3688 3683
@@ -3698,7 +3693,7 @@ static void ixgbe_napi_add_all(struct ixgbe_adapter *adapter)
3698 * and a hardware reset occur. 3693 * and a hardware reset occur.
3699 **/ 3694 **/
3700static int __devinit ixgbe_probe(struct pci_dev *pdev, 3695static int __devinit ixgbe_probe(struct pci_dev *pdev,
3701 const struct pci_device_id *ent) 3696 const struct pci_device_id *ent)
3702{ 3697{
3703 struct net_device *netdev; 3698 struct net_device *netdev;
3704 struct ixgbe_adapter *adapter = NULL; 3699 struct ixgbe_adapter *adapter = NULL;
@@ -3721,8 +3716,8 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
3721 if (err) { 3716 if (err) {
3722 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); 3717 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
3723 if (err) { 3718 if (err) {
3724 dev_err(&pdev->dev, "No usable DMA configuration, " 3719 dev_err(&pdev->dev, "No usable DMA "
3725 "aborting\n"); 3720 "configuration, aborting\n");
3726 goto err_dma; 3721 goto err_dma;
3727 } 3722 }
3728 } 3723 }
@@ -3820,10 +3815,10 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
3820 } 3815 }
3821 3816
3822 netdev->features = NETIF_F_SG | 3817 netdev->features = NETIF_F_SG |
3823 NETIF_F_IP_CSUM | 3818 NETIF_F_IP_CSUM |
3824 NETIF_F_HW_VLAN_TX | 3819 NETIF_F_HW_VLAN_TX |
3825 NETIF_F_HW_VLAN_RX | 3820 NETIF_F_HW_VLAN_RX |
3826 NETIF_F_HW_VLAN_FILTER; 3821 NETIF_F_HW_VLAN_FILTER;
3827 3822
3828 netdev->features |= NETIF_F_IPV6_CSUM; 3823 netdev->features |= NETIF_F_IPV6_CSUM;
3829 netdev->features |= NETIF_F_TSO; 3824 netdev->features |= NETIF_F_TSO;
@@ -3870,28 +3865,28 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
3870 link_speed = link_status & IXGBE_PCI_LINK_SPEED; 3865 link_speed = link_status & IXGBE_PCI_LINK_SPEED;
3871 link_width = link_status & IXGBE_PCI_LINK_WIDTH; 3866 link_width = link_status & IXGBE_PCI_LINK_WIDTH;
3872 dev_info(&pdev->dev, "(PCI Express:%s:%s) " 3867 dev_info(&pdev->dev, "(PCI Express:%s:%s) "
3873 "%02x:%02x:%02x:%02x:%02x:%02x\n", 3868 "%02x:%02x:%02x:%02x:%02x:%02x\n",
3874 ((link_speed == IXGBE_PCI_LINK_SPEED_5000) ? "5.0Gb/s" : 3869 ((link_speed == IXGBE_PCI_LINK_SPEED_5000) ? "5.0Gb/s" :
3875 (link_speed == IXGBE_PCI_LINK_SPEED_2500) ? "2.5Gb/s" : 3870 (link_speed == IXGBE_PCI_LINK_SPEED_2500) ? "2.5Gb/s" :
3876 "Unknown"), 3871 "Unknown"),
3877 ((link_width == IXGBE_PCI_LINK_WIDTH_8) ? "Width x8" : 3872 ((link_width == IXGBE_PCI_LINK_WIDTH_8) ? "Width x8" :
3878 (link_width == IXGBE_PCI_LINK_WIDTH_4) ? "Width x4" : 3873 (link_width == IXGBE_PCI_LINK_WIDTH_4) ? "Width x4" :
3879 (link_width == IXGBE_PCI_LINK_WIDTH_2) ? "Width x2" : 3874 (link_width == IXGBE_PCI_LINK_WIDTH_2) ? "Width x2" :
3880 (link_width == IXGBE_PCI_LINK_WIDTH_1) ? "Width x1" : 3875 (link_width == IXGBE_PCI_LINK_WIDTH_1) ? "Width x1" :
3881 "Unknown"), 3876 "Unknown"),
3882 netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2], 3877 netdev->dev_addr[0], netdev->dev_addr[1], netdev->dev_addr[2],
3883 netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]); 3878 netdev->dev_addr[3], netdev->dev_addr[4], netdev->dev_addr[5]);
3884 ixgbe_read_pba_num_generic(hw, &part_num); 3879 ixgbe_read_pba_num_generic(hw, &part_num);
3885 dev_info(&pdev->dev, "MAC: %d, PHY: %d, PBA No: %06x-%03x\n", 3880 dev_info(&pdev->dev, "MAC: %d, PHY: %d, PBA No: %06x-%03x\n",
3886 hw->mac.type, hw->phy.type, 3881 hw->mac.type, hw->phy.type,
3887 (part_num >> 8), (part_num & 0xff)); 3882 (part_num >> 8), (part_num & 0xff));
3888 3883
3889 if (link_width <= IXGBE_PCI_LINK_WIDTH_4) { 3884 if (link_width <= IXGBE_PCI_LINK_WIDTH_4) {
3890 dev_warn(&pdev->dev, "PCI-Express bandwidth available for " 3885 dev_warn(&pdev->dev, "PCI-Express bandwidth available for "
3891 "this card is not sufficient for optimal " 3886 "this card is not sufficient for optimal "
3892 "performance.\n"); 3887 "performance.\n");
3893 dev_warn(&pdev->dev, "For optimal performance a x8 " 3888 dev_warn(&pdev->dev, "For optimal performance a x8 "
3894 "PCI-Express slot is required.\n"); 3889 "PCI-Express slot is required.\n");
3895 } 3890 }
3896 3891
3897 /* reset the hardware with the new settings */ 3892 /* reset the hardware with the new settings */
@@ -3999,7 +3994,7 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
3999 * this device has been detected. 3994 * this device has been detected.
4000 */ 3995 */
4001static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, 3996static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev,
4002 pci_channel_state_t state) 3997 pci_channel_state_t state)
4003{ 3998{
4004 struct net_device *netdev = pci_get_drvdata(pdev); 3999 struct net_device *netdev = pci_get_drvdata(pdev);
4005 struct ixgbe_adapter *adapter = netdev->priv; 4000 struct ixgbe_adapter *adapter = netdev->priv;
@@ -4010,7 +4005,7 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev,
4010 ixgbe_down(adapter); 4005 ixgbe_down(adapter);
4011 pci_disable_device(pdev); 4006 pci_disable_device(pdev);
4012 4007
4013 /* Request a slot slot reset. */ 4008 /* Request a slot reset. */
4014 return PCI_ERS_RESULT_NEED_RESET; 4009 return PCI_ERS_RESULT_NEED_RESET;
4015} 4010}
4016 4011
@@ -4027,7 +4022,7 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
4027 4022
4028 if (pci_enable_device(pdev)) { 4023 if (pci_enable_device(pdev)) {
4029 DPRINTK(PROBE, ERR, 4024 DPRINTK(PROBE, ERR,
4030 "Cannot re-enable PCI device after reset.\n"); 4025 "Cannot re-enable PCI device after reset.\n");
4031 return PCI_ERS_RESULT_DISCONNECT; 4026 return PCI_ERS_RESULT_DISCONNECT;
4032 } 4027 }
4033 pci_set_master(pdev); 4028 pci_set_master(pdev);
@@ -4104,6 +4099,7 @@ static int __init ixgbe_init_module(void)
4104 ret = pci_register_driver(&ixgbe_driver); 4099 ret = pci_register_driver(&ixgbe_driver);
4105 return ret; 4100 return ret;
4106} 4101}
4102
4107module_init(ixgbe_init_module); 4103module_init(ixgbe_init_module);
4108 4104
4109/** 4105/**
@@ -4122,12 +4118,12 @@ static void __exit ixgbe_exit_module(void)
4122 4118
4123#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE) 4119#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
4124static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event, 4120static int ixgbe_notify_dca(struct notifier_block *nb, unsigned long event,
4125 void *p) 4121 void *p)
4126{ 4122{
4127 int ret_val; 4123 int ret_val;
4128 4124
4129 ret_val = driver_for_each_device(&ixgbe_driver.driver, NULL, &event, 4125 ret_val = driver_for_each_device(&ixgbe_driver.driver, NULL, &event,
4130 __ixgbe_notify_dca); 4126 __ixgbe_notify_dca);
4131 4127
4132 return ret_val ? NOTIFY_BAD : NOTIFY_DONE; 4128 return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
4133} 4129}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 13:45:17 -0500