diff options
Diffstat (limited to 'drivers/net/ethernet/freescale')
| -rw-r--r-- | drivers/net/ethernet/freescale/fec.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_mpc52xx.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_mpc52xx.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fs_enet/fec.h | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c | 32 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/fs_enet/mac-fec.c | 9 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar.c | 24 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar_ethtool.c | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar_ptp.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/gianfar_sysfs.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/ucc_geth.c | 460 |
12 files changed, 322 insertions, 249 deletions
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index e92ef1bd732a..a12b3f5bc025 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -711,7 +711,7 @@ fec_enet_rx(struct net_device *ndev) * include that when passing upstream as it messes up * bridging applications. */ - skb = dev_alloc_skb(pkt_len - 4 + NET_IP_ALIGN); + skb = netdev_alloc_skb(ndev, pkt_len - 4 + NET_IP_ALIGN); if (unlikely(!skb)) { printk("%s: Memory squeeze, dropping packet.\n", @@ -1210,7 +1210,7 @@ static int fec_enet_alloc_buffers(struct net_device *ndev) bdp = fep->rx_bd_base; for (i = 0; i < RX_RING_SIZE; i++) { - skb = dev_alloc_skb(FEC_ENET_RX_FRSIZE); + skb = netdev_alloc_skb(ndev, FEC_ENET_RX_FRSIZE); if (!skb) { fec_enet_free_buffers(ndev); return -ENOMEM; @@ -1739,21 +1739,6 @@ static struct platform_driver fec_driver = { .remove = __devexit_p(fec_drv_remove), }; -static int __init -fec_enet_module_init(void) -{ - printk(KERN_INFO "FEC Ethernet Driver\n"); - - return platform_driver_register(&fec_driver); -} - -static void __exit -fec_enet_cleanup(void) -{ - platform_driver_unregister(&fec_driver); -} - -module_exit(fec_enet_cleanup); -module_init(fec_enet_module_init); +module_platform_driver(fec_driver); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c index 30745b56fe5d..7b34d8c698da 100644 --- a/drivers/net/ethernet/freescale/fec_mpc52xx.c +++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c @@ -160,7 +160,7 @@ static int mpc52xx_fec_alloc_rx_buffers(struct net_device *dev, struct bcom_task struct sk_buff *skb; while (!bcom_queue_full(rxtsk)) { - skb = dev_alloc_skb(FEC_RX_BUFFER_SIZE); + skb = netdev_alloc_skb(dev, FEC_RX_BUFFER_SIZE); if (!skb) return -EAGAIN; @@ -416,7 +416,7 @@ static irqreturn_t mpc52xx_fec_rx_interrupt(int irq, void *dev_id) /* skbs are allocated on open, so now we allocate a new one, * and remove the old (with the packet) */ - skb = dev_alloc_skb(FEC_RX_BUFFER_SIZE); + skb = netdev_alloc_skb(dev, FEC_RX_BUFFER_SIZE); if (!skb) { /* Can't get a new one : reuse the same & drop pkt */ dev_notice(&dev->dev, "Low memory - dropped packet.\n"); diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.h b/drivers/net/ethernet/freescale/fec_mpc52xx.h index 41d2dffde55b..10afa54dd062 100644 --- a/drivers/net/ethernet/freescale/fec_mpc52xx.h +++ b/drivers/net/ethernet/freescale/fec_mpc52xx.h @@ -1,5 +1,5 @@ /* - * drivers/drivers/net/fec_mpc52xx/fec.h + * drivers/net/ethernet/freescale/fec_mpc52xx.h * * Driver for the MPC5200 Fast Ethernet Controller * diff --git a/drivers/net/ethernet/freescale/fs_enet/fec.h b/drivers/net/ethernet/freescale/fs_enet/fec.h index e980527e2b99..b9fe5bde432a 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fec.h +++ b/drivers/net/ethernet/freescale/fs_enet/fec.h @@ -23,6 +23,10 @@ #define FEC_ECNTRL_ETHER_EN 0x00000002 #define FEC_ECNTRL_RESET 0x00000001 +/* RMII mode enabled only when MII_MODE bit is set too. */ +#define FEC_RCNTRL_RMII_MODE (0x00000100 | \ + FEC_RCNTRL_MII_MODE | FEC_RCNTRL_FCE) +#define FEC_RCNTRL_FCE 0x00000020 #define FEC_RCNTRL_BC_REJ 0x00000010 #define FEC_RCNTRL_PROM 0x00000008 #define FEC_RCNTRL_MII_MODE 0x00000004 @@ -33,8 +37,6 @@ #define FEC_TCNTRL_HBC 0x00000002 #define FEC_TCNTRL_GTS 0x00000001 - - /* * Delay to wait for FEC reset command to complete (in us) */ diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c index 910a8e18a9ae..e4e6cd2c5f82 100644 --- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c @@ -154,7 +154,7 @@ static int fs_enet_rx_napi(struct napi_struct *napi, int budget) if (pkt_len <= fpi->rx_copybreak) { /* +2 to make IP header L1 cache aligned */ - skbn = dev_alloc_skb(pkt_len + 2); + skbn = netdev_alloc_skb(dev, pkt_len + 2); if (skbn != NULL) { skb_reserve(skbn, 2); /* align IP header */ skb_copy_from_linear_data(skb, @@ -165,7 +165,7 @@ static int fs_enet_rx_napi(struct napi_struct *napi, int budget) skbn = skbt; } } else { - skbn = dev_alloc_skb(ENET_RX_FRSIZE); + skbn = netdev_alloc_skb(dev, ENET_RX_FRSIZE); if (skbn) skb_align(skbn, ENET_RX_ALIGN); @@ -286,7 +286,7 @@ static int fs_enet_rx_non_napi(struct net_device *dev) if (pkt_len <= fpi->rx_copybreak) { /* +2 to make IP header L1 cache aligned */ - skbn = dev_alloc_skb(pkt_len + 2); + skbn = netdev_alloc_skb(dev, pkt_len + 2); if (skbn != NULL) { skb_reserve(skbn, 2); /* align IP header */ skb_copy_from_linear_data(skb, @@ -297,7 +297,7 @@ static int fs_enet_rx_non_napi(struct net_device *dev) skbn = skbt; } } else { - skbn = dev_alloc_skb(ENET_RX_FRSIZE); + skbn = netdev_alloc_skb(dev, ENET_RX_FRSIZE); if (skbn) skb_align(skbn, ENET_RX_ALIGN); @@ -504,7 +504,7 @@ void fs_init_bds(struct net_device *dev) * Initialize the receive buffer descriptors. */ for (i = 0, bdp = fep->rx_bd_base; i < fep->rx_ring; i++, bdp++) { - skb = dev_alloc_skb(ENET_RX_FRSIZE); + skb = netdev_alloc_skb(dev, ENET_RX_FRSIZE); if (skb == NULL) { dev_warn(fep->dev, "Memory squeeze, unable to allocate skb\n"); @@ -592,7 +592,7 @@ static struct sk_buff *tx_skb_align_workaround(struct net_device *dev, struct fs_enet_private *fep = netdev_priv(dev); /* Alloc new skb */ - new_skb = dev_alloc_skb(skb->len + 4); + new_skb = netdev_alloc_skb(dev, skb->len + 4); if (!new_skb) { if (net_ratelimit()) { dev_warn(fep->dev, @@ -790,16 +790,20 @@ static int fs_init_phy(struct net_device *dev) { struct fs_enet_private *fep = netdev_priv(dev); struct phy_device *phydev; + phy_interface_t iface; fep->oldlink = 0; fep->oldspeed = 0; fep->oldduplex = -1; + iface = fep->fpi->use_rmii ? + PHY_INTERFACE_MODE_RMII : PHY_INTERFACE_MODE_MII; + phydev = of_phy_connect(dev, fep->fpi->phy_node, &fs_adjust_link, 0, - PHY_INTERFACE_MODE_MII); + iface); if (!phydev) { phydev = of_phy_connect_fixed_link(dev, &fs_adjust_link, - PHY_INTERFACE_MODE_MII); + iface); } if (!phydev) { dev_err(&dev->dev, "Could not attach to PHY\n"); @@ -1007,6 +1011,7 @@ static int __devinit fs_enet_probe(struct platform_device *ofdev) struct fs_platform_info *fpi; const u32 *data; const u8 *mac_addr; + const char *phy_connection_type; int privsize, len, ret = -ENODEV; match = of_match_device(fs_enet_match, &ofdev->dev); @@ -1035,6 +1040,13 @@ static int __devinit fs_enet_probe(struct platform_device *ofdev) NULL))) goto out_free_fpi; + if (of_device_is_compatible(ofdev->dev.of_node, "fsl,mpc5125-fec")) { + phy_connection_type = of_get_property(ofdev->dev.of_node, + "phy-connection-type", NULL); + if (phy_connection_type && !strcmp("rmii", phy_connection_type)) + fpi->use_rmii = 1; + } + privsize = sizeof(*fep) + sizeof(struct sk_buff **) * (fpi->rx_ring + fpi->tx_ring); @@ -1150,6 +1162,10 @@ static struct of_device_id fs_enet_match[] = { .compatible = "fsl,mpc5121-fec", .data = (void *)&fs_fec_ops, }, + { + .compatible = "fsl,mpc5125-fec", + .data = (void *)&fs_fec_ops, + }, #else { .compatible = "fsl,pq1-fec-enet", diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c index b9fbc83d64a7..9ae6cdbcac2e 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c @@ -322,10 +322,11 @@ static void restart(struct net_device *dev) FW(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ #else /* - * Only set MII mode - do not touch maximum frame length + * Only set MII/RMII mode - do not touch maximum frame length * configured before. */ - FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); + FS(fecp, r_cntrl, fpi->use_rmii ? + FEC_RCNTRL_RMII_MODE : FEC_RCNTRL_MII_MODE); #endif /* * adjust to duplex mode @@ -381,7 +382,9 @@ static void stop(struct net_device *dev) /* shut down FEC1? that's where the mii bus is */ if (fpi->has_phy) { - FS(fecp, r_cntrl, FEC_RCNTRL_MII_MODE); /* MII enable */ + FS(fecp, r_cntrl, fpi->use_rmii ? + FEC_RCNTRL_RMII_MODE : + FEC_RCNTRL_MII_MODE); /* MII/RMII enable */ FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN); FW(fecp, ievent, FEC_ENET_MII); FW(fecp, mii_speed, feci->mii_speed); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 39d160d353a4..d9428f0e738a 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1,5 +1,5 @@ /* - * drivers/net/gianfar.c + * drivers/net/ethernet/freescale/gianfar.c * * Gianfar Ethernet Driver * This driver is designed for the non-CPM ethernet controllers @@ -104,10 +104,7 @@ #include "fsl_pq_mdio.h" #define TX_TIMEOUT (1*HZ) -#undef BRIEF_GFAR_ERRORS -#undef VERBOSE_GFAR_ERRORS -const char gfar_driver_name[] = "Gianfar Ethernet"; const char gfar_driver_version[] = "1.3"; static int gfar_enet_open(struct net_device *dev); @@ -1755,9 +1752,12 @@ static void free_skb_resources(struct gfar_private *priv) /* Go through all the buffer descriptors and free their data buffers */ for (i = 0; i < priv->num_tx_queues; i++) { + struct netdev_queue *txq; tx_queue = priv->tx_queue[i]; + txq = netdev_get_tx_queue(tx_queue->dev, tx_queue->qindex); if(tx_queue->tx_skbuff) free_skb_tx_queue(tx_queue); + netdev_tx_reset_queue(txq); } for (i = 0; i < priv->num_rx_queues; i++) { @@ -2217,6 +2217,8 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) lstatus |= BD_LFLAG(TXBD_CRC | TXBD_READY) | skb_headlen(skb); } + netdev_tx_sent_queue(txq, skb->len); + /* * We can work in parallel with gfar_clean_tx_ring(), except * when modifying num_txbdfree. Note that we didn't grab the lock @@ -2460,6 +2462,7 @@ static void gfar_align_skb(struct sk_buff *skb) static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) { struct net_device *dev = tx_queue->dev; + struct netdev_queue *txq; struct gfar_private *priv = netdev_priv(dev); struct gfar_priv_rx_q *rx_queue = NULL; struct txbd8 *bdp, *next = NULL; @@ -2471,10 +2474,13 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) int frags = 0, nr_txbds = 0; int i; int howmany = 0; + int tqi = tx_queue->qindex; + unsigned int bytes_sent = 0; u32 lstatus; size_t buflen; - rx_queue = priv->rx_queue[tx_queue->qindex]; + rx_queue = priv->rx_queue[tqi]; + txq = netdev_get_tx_queue(dev, tqi); bdp = tx_queue->dirty_tx; skb_dirtytx = tx_queue->skb_dirtytx; @@ -2533,6 +2539,8 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) bdp = next_txbd(bdp, base, tx_ring_size); } + bytes_sent += skb->len; + /* * If there's room in the queue (limit it to rx_buffer_size) * we add this skb back into the pool, if it's the right size @@ -2557,13 +2565,15 @@ static int gfar_clean_tx_ring(struct gfar_priv_tx_q *tx_queue) } /* If we freed a buffer, we can restart transmission, if necessary */ - if (__netif_subqueue_stopped(dev, tx_queue->qindex) && tx_queue->num_txbdfree) - netif_wake_subqueue(dev, tx_queue->qindex); + if (netif_tx_queue_stopped(txq) && tx_queue->num_txbdfree) + netif_wake_subqueue(dev, tqi); /* Update dirty indicators */ tx_queue->skb_dirtytx = skb_dirtytx; tx_queue->dirty_tx = bdp; + netdev_tx_completed_queue(txq, howmany, bytes_sent); + return howmany; } diff --git a/drivers/net/ethernet/freescale/gianfar.h b/drivers/net/ethernet/freescale/gianfar.h index 40c33a7554c0..fc2488adca36 100644 --- a/drivers/net/ethernet/freescale/gianfar.h +++ b/drivers/net/ethernet/freescale/gianfar.h @@ -1,5 +1,5 @@ /* - * drivers/net/gianfar.h + * drivers/net/ethernet/freescale/gianfar.h * * Gianfar Ethernet Driver * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 @@ -78,11 +78,8 @@ struct ethtool_rx_list { #define INCREMENTAL_BUFFER_SIZE 512 #define PHY_INIT_TIMEOUT 100000 -#define GFAR_PHY_CHANGE_TIME 2 -#define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.2, " #define DRV_NAME "gfar-enet" -extern const char gfar_driver_name[]; extern const char gfar_driver_version[]; /* MAXIMUM NUMBER OF QUEUES SUPPORTED */ diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 5a3b2e5b2880..8d74efd04bb9 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -1,5 +1,5 @@ /* - * drivers/net/gianfar_ethtool.c + * drivers/net/ethernet/freescale/gianfar_ethtool.c * * Gianfar Ethernet Driver * Ethtool support for Gianfar Enet @@ -58,7 +58,7 @@ static void gfar_gringparam(struct net_device *dev, struct ethtool_ringparam *rv static int gfar_sringparam(struct net_device *dev, struct ethtool_ringparam *rvals); static void gfar_gdrvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo); -static char stat_gstrings[][ETH_GSTRING_LEN] = { +static const char stat_gstrings[][ETH_GSTRING_LEN] = { "rx-dropped-by-kernel", "rx-large-frame-errors", "rx-short-frame-errors", diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 83e0ed757e33..5fd620bec15c 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -564,6 +564,6 @@ static struct platform_driver gianfar_ptp_driver = { module_platform_driver(gianfar_ptp_driver); -MODULE_AUTHOR("Richard Cochran <richard.cochran@omicron.at>"); +MODULE_AUTHOR("Richard Cochran <richardcochran@gmail.com>"); MODULE_DESCRIPTION("PTP clock using the eTSEC"); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/freescale/gianfar_sysfs.c b/drivers/net/ethernet/freescale/gianfar_sysfs.c index 64f4094ac7f1..cd14a4d449c2 100644 --- a/drivers/net/ethernet/freescale/gianfar_sysfs.c +++ b/drivers/net/ethernet/freescale/gianfar_sysfs.c @@ -1,5 +1,5 @@ /* - * drivers/net/gianfar_sysfs.c + * drivers/net/ethernet/freescale/gianfar_sysfs.c * * Gianfar Ethernet Driver * This driver is designed for the non-CPM ethernet controllers 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 |