diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-20 21:04:47 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-20 21:04:47 -0700 |
commit | 3b59bf081622b6446db77ad06c93fe23677bc533 (patch) | |
tree | 3f4bb5a27c90cc86994a1f6d3c53fbf9208003cb /drivers/net/ethernet/freescale/ucc_geth.c | |
parent | e45836fafe157df137a837093037f741ad8f4c90 (diff) | |
parent | bbdb32cb5b73597386913d052165423b9d736145 (diff) | |
download | talos-op-linux-3b59bf081622b6446db77ad06c93fe23677bc533.tar.gz talos-op-linux-3b59bf081622b6446db77ad06c93fe23677bc533.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking merge from David Miller:
"1) Move ixgbe driver over to purely page based buffering on receive.
From Alexander Duyck.
2) Add receive packet steering support to e1000e, from Bruce Allan.
3) Convert TCP MD5 support over to RCU, from Eric Dumazet.
4) Reduce cpu usage in handling out-of-order TCP packets on modern
systems, also from Eric Dumazet.
5) Support the IP{,V6}_UNICAST_IF socket options, making the wine
folks happy, from Erich Hoover.
6) Support VLAN trunking from guests in hyperv driver, from Haiyang
Zhang.
7) Support byte-queue-limtis in r8169, from Igor Maravic.
8) Outline code intended for IP_RECVTOS in IP_PKTOPTIONS existed but
was never properly implemented, Jiri Benc fixed that.
9) 64-bit statistics support in r8169 and 8139too, from Junchang Wang.
10) Support kernel side dump filtering by ctmark in netfilter
ctnetlink, from Pablo Neira Ayuso.
11) Support byte-queue-limits in gianfar driver, from Paul Gortmaker.
12) Add new peek socket options to assist with socket migration, from
Pavel Emelyanov.
13) Add sch_plug packet scheduler whose queue is controlled by
userland daemons using explicit freeze and release commands. From
Shriram Rajagopalan.
14) Fix FCOE checksum offload handling on transmit, from Yi Zou."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1846 commits)
Fix pppol2tp getsockname()
Remove printk from rds_sendmsg
ipv6: fix incorrent ipv6 ipsec packet fragment
cpsw: Hook up default ndo_change_mtu.
net: qmi_wwan: fix build error due to cdc-wdm dependecy
netdev: driver: ethernet: Add TI CPSW driver
netdev: driver: ethernet: add cpsw address lookup engine support
phy: add am79c874 PHY support
mlx4_core: fix race on comm channel
bonding: send igmp report for its master
fs_enet: Add MPC5125 FEC support and PHY interface selection
net: bpf_jit: fix BPF_S_LDX_B_MSH compilation
net: update the usage of CHECKSUM_UNNECESSARY
fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx
net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso
ixgbe: Fix issues with SR-IOV loopback when flow control is disabled
net/hyperv: Fix the code handling tx busy
ixgbe: fix namespace issues when FCoE/DCB is not enabled
rtlwifi: Remove unused ETH_ADDR_LEN defines
igbvf: Use ETH_ALEN
...
Fix up fairly trivial conflicts in drivers/isdn/gigaset/interface.c and
drivers/net/usb/{Kconfig,qmi_wwan.c} as per David.
Diffstat (limited to 'drivers/net/ethernet/freescale/ucc_geth.c')
-rw-r--r-- | drivers/net/ethernet/freescale/ucc_geth.c | 460 |
1 files changed, 260 insertions, 200 deletions
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c index ba2dc083bfc0..4e3cd2f8debb 100644 --- a/drivers/net/ethernet/freescale/ucc_geth.c +++ b/drivers/net/ethernet/freescale/ucc_geth.c @@ -214,8 +214,9 @@ static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, skb = __skb_dequeue(&ugeth->rx_recycle); if (!skb) - skb = dev_alloc_skb(ugeth->ug_info->uf_info.max_rx_buf_length + - UCC_GETH_RX_DATA_BUF_ALIGNMENT); + skb = netdev_alloc_skb(ugeth->ndev, + ugeth->ug_info->uf_info.max_rx_buf_length + + UCC_GETH_RX_DATA_BUF_ALIGNMENT); if (skb == NULL) return NULL; @@ -227,8 +228,6 @@ static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, (((unsigned)skb->data) & (UCC_GETH_RX_DATA_BUF_ALIGNMENT - 1))); - skb->dev = ugeth->ndev; - out_be32(&((struct qe_bd __iomem *)bd)->buf, dma_map_single(ugeth->dev, skb->data, @@ -1857,11 +1856,93 @@ static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *uge return hw_clear_addr_in_paddr(ugeth, paddr_num);/* clear in hardware */ } -static void ucc_geth_memclean(struct ucc_geth_private *ugeth) +static void ucc_geth_free_rx(struct ucc_geth_private *ugeth) +{ + struct ucc_geth_info *ug_info; + struct ucc_fast_info *uf_info; + u16 i, j; + u8 __iomem *bd; + + + ug_info = ugeth->ug_info; + uf_info = &ug_info->uf_info; + + for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { + if (ugeth->p_rx_bd_ring[i]) { + /* Return existing data buffers in ring */ + bd = ugeth->p_rx_bd_ring[i]; + for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { + if (ugeth->rx_skbuff[i][j]) { + dma_unmap_single(ugeth->dev, + in_be32(&((struct qe_bd __iomem *)bd)->buf), + ugeth->ug_info-> + uf_info.max_rx_buf_length + + UCC_GETH_RX_DATA_BUF_ALIGNMENT, + DMA_FROM_DEVICE); + dev_kfree_skb_any( + ugeth->rx_skbuff[i][j]); + ugeth->rx_skbuff[i][j] = NULL; + } + bd += sizeof(struct qe_bd); + } + + kfree(ugeth->rx_skbuff[i]); + + if (ugeth->ug_info->uf_info.bd_mem_part == + MEM_PART_SYSTEM) + kfree((void *)ugeth->rx_bd_ring_offset[i]); + else if (ugeth->ug_info->uf_info.bd_mem_part == + MEM_PART_MURAM) + qe_muram_free(ugeth->rx_bd_ring_offset[i]); + ugeth->p_rx_bd_ring[i] = NULL; + } + } + +} + +static void ucc_geth_free_tx(struct ucc_geth_private *ugeth) { + struct ucc_geth_info *ug_info; + struct ucc_fast_info *uf_info; u16 i, j; u8 __iomem *bd; + ug_info = ugeth->ug_info; + uf_info = &ug_info->uf_info; + + for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { + bd = ugeth->p_tx_bd_ring[i]; + if (!bd) + continue; + for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { + if (ugeth->tx_skbuff[i][j]) { + dma_unmap_single(ugeth->dev, + in_be32(&((struct qe_bd __iomem *)bd)->buf), + (in_be32((u32 __iomem *)bd) & + BD_LENGTH_MASK), + DMA_TO_DEVICE); + dev_kfree_skb_any(ugeth->tx_skbuff[i][j]); + ugeth->tx_skbuff[i][j] = NULL; + } + } + + kfree(ugeth->tx_skbuff[i]); + + if (ugeth->p_tx_bd_ring[i]) { + if (ugeth->ug_info->uf_info.bd_mem_part == + MEM_PART_SYSTEM) + kfree((void *)ugeth->tx_bd_ring_offset[i]); + else if (ugeth->ug_info->uf_info.bd_mem_part == + MEM_PART_MURAM) + qe_muram_free(ugeth->tx_bd_ring_offset[i]); + ugeth->p_tx_bd_ring[i] = NULL; + } + } + +} + +static void ucc_geth_memclean(struct ucc_geth_private *ugeth) +{ if (!ugeth) return; @@ -1928,64 +2009,8 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) kfree(ugeth->p_init_enet_param_shadow); ugeth->p_init_enet_param_shadow = NULL; } - for (i = 0; i < ugeth->ug_info->numQueuesTx; i++) { - bd = ugeth->p_tx_bd_ring[i]; - if (!bd) - continue; - for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { - if (ugeth->tx_skbuff[i][j]) { - dma_unmap_single(ugeth->dev, - in_be32(&((struct qe_bd __iomem *)bd)->buf), - (in_be32((u32 __iomem *)bd) & - BD_LENGTH_MASK), - DMA_TO_DEVICE); - dev_kfree_skb_any(ugeth->tx_skbuff[i][j]); - ugeth->tx_skbuff[i][j] = NULL; - } - } - - kfree(ugeth->tx_skbuff[i]); - - if (ugeth->p_tx_bd_ring[i]) { - if (ugeth->ug_info->uf_info.bd_mem_part == - MEM_PART_SYSTEM) - kfree((void *)ugeth->tx_bd_ring_offset[i]); - else if (ugeth->ug_info->uf_info.bd_mem_part == - MEM_PART_MURAM) - qe_muram_free(ugeth->tx_bd_ring_offset[i]); - ugeth->p_tx_bd_ring[i] = NULL; - } - } - for (i = 0; i < ugeth->ug_info->numQueuesRx; i++) { - if (ugeth->p_rx_bd_ring[i]) { - /* Return existing data buffers in ring */ - bd = ugeth->p_rx_bd_ring[i]; - for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { - if (ugeth->rx_skbuff[i][j]) { - dma_unmap_single(ugeth->dev, - in_be32(&((struct qe_bd __iomem *)bd)->buf), - ugeth->ug_info-> - uf_info.max_rx_buf_length + - UCC_GETH_RX_DATA_BUF_ALIGNMENT, - DMA_FROM_DEVICE); - dev_kfree_skb_any( - ugeth->rx_skbuff[i][j]); - ugeth->rx_skbuff[i][j] = NULL; - } - bd += sizeof(struct qe_bd); - } - - kfree(ugeth->rx_skbuff[i]); - - if (ugeth->ug_info->uf_info.bd_mem_part == - MEM_PART_SYSTEM) - kfree((void *)ugeth->rx_bd_ring_offset[i]); - else if (ugeth->ug_info->uf_info.bd_mem_part == - MEM_PART_MURAM) - qe_muram_free(ugeth->rx_bd_ring_offset[i]); - ugeth->p_rx_bd_ring[i] = NULL; - } - } + ucc_geth_free_tx(ugeth); + ucc_geth_free_rx(ugeth); while (!list_empty(&ugeth->group_hash_q)) put_enet_addr_container(ENET_ADDR_CONT_ENTRY (dequeue(&ugeth->group_hash_q))); @@ -2211,6 +2236,171 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth) return 0; } +static int ucc_geth_alloc_tx(struct ucc_geth_private *ugeth) +{ + struct ucc_geth_info *ug_info; + struct ucc_fast_info *uf_info; + int length; + u16 i, j; + u8 __iomem *bd; + + ug_info = ugeth->ug_info; + uf_info = &ug_info->uf_info; + + /* Allocate Tx bds */ + for (j = 0; j < ug_info->numQueuesTx; j++) { + /* Allocate in multiple of + UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT, + according to spec */ + length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) + / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) + * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; + if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) % + UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) + length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; + if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { + u32 align = 4; + if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4) + align = UCC_GETH_TX_BD_RING_ALIGNMENT; + ugeth->tx_bd_ring_offset[j] = + (u32) kmalloc((u32) (length + align), GFP_KERNEL); + + if (ugeth->tx_bd_ring_offset[j] != 0) + ugeth->p_tx_bd_ring[j] = + (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] + + align) & ~(align - 1)); + } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { + ugeth->tx_bd_ring_offset[j] = + qe_muram_alloc(length, + UCC_GETH_TX_BD_RING_ALIGNMENT); + if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j])) + ugeth->p_tx_bd_ring[j] = + (u8 __iomem *) qe_muram_addr(ugeth-> + tx_bd_ring_offset[j]); + } + if (!ugeth->p_tx_bd_ring[j]) { + if (netif_msg_ifup(ugeth)) + ugeth_err + ("%s: Can not allocate memory for Tx bd rings.", + __func__); + return -ENOMEM; + } + /* Zero unused end of bd ring, according to spec */ + memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] + + ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0, + length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)); + } + + /* Init Tx bds */ + for (j = 0; j < ug_info->numQueuesTx; j++) { + /* Setup the skbuff rings */ + ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * + ugeth->ug_info->bdRingLenTx[j], + GFP_KERNEL); + + if (ugeth->tx_skbuff[j] == NULL) { + if (netif_msg_ifup(ugeth)) + ugeth_err("%s: Could not allocate tx_skbuff", + __func__); + return -ENOMEM; + } + + for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++) + ugeth->tx_skbuff[j][i] = NULL; + + ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0; + bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j]; + for (i = 0; i < ug_info->bdRingLenTx[j]; i++) { + /* clear bd buffer */ + out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); + /* set bd status and length */ + out_be32((u32 __iomem *)bd, 0); + bd += sizeof(struct qe_bd); + } + bd -= sizeof(struct qe_bd); + /* set bd status and length */ + out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */ + } + + return 0; +} + +static int ucc_geth_alloc_rx(struct ucc_geth_private *ugeth) +{ + struct ucc_geth_info *ug_info; + struct ucc_fast_info *uf_info; + int length; + u16 i, j; + u8 __iomem *bd; + + ug_info = ugeth->ug_info; + uf_info = &ug_info->uf_info; + + /* Allocate Rx bds */ + for (j = 0; j < ug_info->numQueuesRx; j++) { + length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd); + if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { + u32 align = 4; + if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4) + align = UCC_GETH_RX_BD_RING_ALIGNMENT; + ugeth->rx_bd_ring_offset[j] = + (u32) kmalloc((u32) (length + align), GFP_KERNEL); + if (ugeth->rx_bd_ring_offset[j] != 0) + ugeth->p_rx_bd_ring[j] = + (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] + + align) & ~(align - 1)); + } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { + ugeth->rx_bd_ring_offset[j] = + qe_muram_alloc(length, + UCC_GETH_RX_BD_RING_ALIGNMENT); + if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j])) + ugeth->p_rx_bd_ring[j] = + (u8 __iomem *) qe_muram_addr(ugeth-> + rx_bd_ring_offset[j]); + } + if (!ugeth->p_rx_bd_ring[j]) { + if (netif_msg_ifup(ugeth)) + ugeth_err + ("%s: Can not allocate memory for Rx bd rings.", + __func__); + return -ENOMEM; + } + } + + /* Init Rx bds */ + for (j = 0; j < ug_info->numQueuesRx; j++) { + /* Setup the skbuff rings */ + ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * + ugeth->ug_info->bdRingLenRx[j], + GFP_KERNEL); + + if (ugeth->rx_skbuff[j] == NULL) { + if (netif_msg_ifup(ugeth)) + ugeth_err("%s: Could not allocate rx_skbuff", + __func__); + return -ENOMEM; + } + + for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++) + ugeth->rx_skbuff[j][i] = NULL; + + ugeth->skb_currx[j] = 0; + bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j]; + for (i = 0; i < ug_info->bdRingLenRx[j]; i++) { + /* set bd status and length */ + out_be32((u32 __iomem *)bd, R_I); + /* clear bd buffer */ + out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); + bd += sizeof(struct qe_bd); + } + bd -= sizeof(struct qe_bd); + /* set bd status and length */ + out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */ + } + + return 0; +} + static int ucc_geth_startup(struct ucc_geth_private *ugeth) { struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; @@ -2223,11 +2413,10 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) int ret_val = -EINVAL; u32 remoder = UCC_GETH_REMODER_INIT; u32 init_enet_pram_offset, cecr_subblock, command; - u32 ifstat, i, j, size, l2qt, l3qt, length; + u32 ifstat, i, j, size, l2qt, l3qt; u16 temoder = UCC_GETH_TEMODER_INIT; u16 test; u8 function_code = 0; - u8 __iomem *bd; u8 __iomem *endOfRing; u8 numThreadsRxNumerical, numThreadsTxNumerical; @@ -2367,142 +2556,13 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) UCC_GETH_STATISTICS_GATHERING_MODE_HARDWARE), 0, &uf_regs->upsmr, &ug_regs->uescr); - /* Allocate Tx bds */ - for (j = 0; j < ug_info->numQueuesTx; j++) { - /* Allocate in multiple of - UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT, - according to spec */ - length = ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) - / UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) - * UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; - if ((ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)) % - UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT) - length += UCC_GETH_TX_BD_RING_SIZE_MEMORY_ALIGNMENT; - if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { - u32 align = 4; - if (UCC_GETH_TX_BD_RING_ALIGNMENT > 4) - align = UCC_GETH_TX_BD_RING_ALIGNMENT; - ugeth->tx_bd_ring_offset[j] = - (u32) kmalloc((u32) (length + align), GFP_KERNEL); - - if (ugeth->tx_bd_ring_offset[j] != 0) - ugeth->p_tx_bd_ring[j] = - (u8 __iomem *)((ugeth->tx_bd_ring_offset[j] + - align) & ~(align - 1)); - } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { - ugeth->tx_bd_ring_offset[j] = - qe_muram_alloc(length, - UCC_GETH_TX_BD_RING_ALIGNMENT); - if (!IS_ERR_VALUE(ugeth->tx_bd_ring_offset[j])) - ugeth->p_tx_bd_ring[j] = - (u8 __iomem *) qe_muram_addr(ugeth-> - tx_bd_ring_offset[j]); - } - if (!ugeth->p_tx_bd_ring[j]) { - if (netif_msg_ifup(ugeth)) - ugeth_err - ("%s: Can not allocate memory for Tx bd rings.", - __func__); - return -ENOMEM; - } - /* Zero unused end of bd ring, according to spec */ - memset_io((void __iomem *)(ugeth->p_tx_bd_ring[j] + - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)), 0, - length - ug_info->bdRingLenTx[j] * sizeof(struct qe_bd)); - } - - /* Allocate Rx bds */ - for (j = 0; j < ug_info->numQueuesRx; j++) { - length = ug_info->bdRingLenRx[j] * sizeof(struct qe_bd); - if (uf_info->bd_mem_part == MEM_PART_SYSTEM) { - u32 align = 4; - if (UCC_GETH_RX_BD_RING_ALIGNMENT > 4) - align = UCC_GETH_RX_BD_RING_ALIGNMENT; - ugeth->rx_bd_ring_offset[j] = - (u32) kmalloc((u32) (length + align), GFP_KERNEL); - if (ugeth->rx_bd_ring_offset[j] != 0) - ugeth->p_rx_bd_ring[j] = - (u8 __iomem *)((ugeth->rx_bd_ring_offset[j] + - align) & ~(align - 1)); - } else if (uf_info->bd_mem_part == MEM_PART_MURAM) { - ugeth->rx_bd_ring_offset[j] = - qe_muram_alloc(length, - UCC_GETH_RX_BD_RING_ALIGNMENT); - if (!IS_ERR_VALUE(ugeth->rx_bd_ring_offset[j])) - ugeth->p_rx_bd_ring[j] = - (u8 __iomem *) qe_muram_addr(ugeth-> - rx_bd_ring_offset[j]); - } - if (!ugeth->p_rx_bd_ring[j]) { - if (netif_msg_ifup(ugeth)) - ugeth_err - ("%s: Can not allocate memory for Rx bd rings.", - __func__); - return -ENOMEM; - } - } - - /* Init Tx bds */ - for (j = 0; j < ug_info->numQueuesTx; j++) { - /* Setup the skbuff rings */ - ugeth->tx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * - ugeth->ug_info->bdRingLenTx[j], - GFP_KERNEL); - - if (ugeth->tx_skbuff[j] == NULL) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Could not allocate tx_skbuff", - __func__); - return -ENOMEM; - } - - for (i = 0; i < ugeth->ug_info->bdRingLenTx[j]; i++) - ugeth->tx_skbuff[j][i] = NULL; - - ugeth->skb_curtx[j] = ugeth->skb_dirtytx[j] = 0; - bd = ugeth->confBd[j] = ugeth->txBd[j] = ugeth->p_tx_bd_ring[j]; - for (i = 0; i < ug_info->bdRingLenTx[j]; i++) { - /* clear bd buffer */ - out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); - /* set bd status and length */ - out_be32((u32 __iomem *)bd, 0); - bd += sizeof(struct qe_bd); - } - bd -= sizeof(struct qe_bd); - /* set bd status and length */ - out_be32((u32 __iomem *)bd, T_W); /* for last BD set Wrap bit */ - } - - /* Init Rx bds */ - for (j = 0; j < ug_info->numQueuesRx; j++) { - /* Setup the skbuff rings */ - ugeth->rx_skbuff[j] = kmalloc(sizeof(struct sk_buff *) * - ugeth->ug_info->bdRingLenRx[j], - GFP_KERNEL); - - if (ugeth->rx_skbuff[j] == NULL) { - if (netif_msg_ifup(ugeth)) - ugeth_err("%s: Could not allocate rx_skbuff", - __func__); - return -ENOMEM; - } - - for (i = 0; i < ugeth->ug_info->bdRingLenRx[j]; i++) - ugeth->rx_skbuff[j][i] = NULL; + ret_val = ucc_geth_alloc_tx(ugeth); + if (ret_val != 0) + return ret_val; - ugeth->skb_currx[j] = 0; - bd = ugeth->rxBd[j] = ugeth->p_rx_bd_ring[j]; - for (i = 0; i < ug_info->bdRingLenRx[j]; i++) { - /* set bd status and length */ - out_be32((u32 __iomem *)bd, R_I); - /* clear bd buffer */ - out_be32(&((struct qe_bd __iomem *)bd)->buf, 0); - bd += sizeof(struct qe_bd); - } - bd -= sizeof(struct qe_bd); - /* set bd status and length */ - out_be32((u32 __iomem *)bd, R_W); /* for last BD set Wrap bit */ - } + ret_val = ucc_geth_alloc_rx(ugeth); + if (ret_val != 0) + return ret_val; /* * Global PRAM |