diff options
Diffstat (limited to 'drivers/net/s2io.c')
| -rw-r--r-- | drivers/net/s2io.c | 200 |
1 files changed, 119 insertions, 81 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 669dd52c412..89c46787676 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -66,7 +66,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "Version 2.0.9.3" +#define DRV_VERSION "Version 2.0.9.4" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -412,7 +412,7 @@ static int init_shared_mem(struct s2io_nic *nic) config->tx_cfg[i].fifo_len - 1; mac_control->fifos[i].fifo_no = i; mac_control->fifos[i].nic = nic; - mac_control->fifos[i].max_txds = MAX_SKB_FRAGS + 1; + mac_control->fifos[i].max_txds = MAX_SKB_FRAGS + 2; for (j = 0; j < page_num; j++) { int k = 0; @@ -459,6 +459,10 @@ static int init_shared_mem(struct s2io_nic *nic) } } + nic->ufo_in_band_v = kmalloc((sizeof(u64) * size), GFP_KERNEL); + if (!nic->ufo_in_band_v) + return -ENOMEM; + /* Allocation and initialization of RXDs in Rings */ size = 0; for (i = 0; i < config->rx_ring_num; i++) { @@ -731,6 +735,8 @@ static void free_shared_mem(struct s2io_nic *nic) mac_control->stats_mem, mac_control->stats_mem_phy); } + if (nic->ufo_in_band_v) + kfree(nic->ufo_in_band_v); } /** @@ -2003,6 +2009,49 @@ static int start_nic(struct s2io_nic *nic) return SUCCESS; } +/** + * s2io_txdl_getskb - Get the skb from txdl, unmap and return skb + */ +static struct sk_buff *s2io_txdl_getskb(fifo_info_t *fifo_data, TxD_t *txdlp, int get_off) +{ + nic_t *nic = fifo_data->nic; + struct sk_buff *skb; + TxD_t *txds; + u16 j, frg_cnt; + + txds = txdlp; + if (txds->Host_Control == (u64)(long)nic->ufo_in_band_v) { + pci_unmap_single(nic->pdev, (dma_addr_t) + txds->Buffer_Pointer, sizeof(u64), + PCI_DMA_TODEVICE); + txds++; + } + + skb = (struct sk_buff *) ((unsigned long) + txds->Host_Control); + if (!skb) { + memset(txdlp, 0, (sizeof(TxD_t) * fifo_data->max_txds)); + return NULL; + } + pci_unmap_single(nic->pdev, (dma_addr_t) + txds->Buffer_Pointer, + skb->len - skb->data_len, + PCI_DMA_TODEVICE); + frg_cnt = skb_shinfo(skb)->nr_frags; + if (frg_cnt) { + txds++; + for (j = 0; j < frg_cnt; j++, txds++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[j]; + if (!txds->Buffer_Pointer) + break; + pci_unmap_page(nic->pdev, (dma_addr_t) + txds->Buffer_Pointer, + frag->size, PCI_DMA_TODEVICE); + } + } + txdlp->Host_Control = 0; + return(skb); +} /** * free_tx_buffers - Free all queued Tx buffers @@ -2020,7 +2069,7 @@ static void free_tx_buffers(struct s2io_nic *nic) int i, j; mac_info_t *mac_control; struct config_param *config; - int cnt = 0, frg_cnt; + int cnt = 0; mac_control = &nic->mac_control; config = &nic->config; @@ -2029,38 +2078,11 @@ static void free_tx_buffers(struct s2io_nic *nic) for (j = 0; j < config->tx_cfg[i].fifo_len - 1; j++) { txdp = (TxD_t *) mac_control->fifos[i].list_info[j]. list_virt_addr; - skb = - (struct sk_buff *) ((unsigned long) txdp-> - Host_Control); - if (skb == NULL) { - memset(txdp, 0, sizeof(TxD_t) * - config->max_txds); - continue; - } - frg_cnt = skb_shinfo(skb)->nr_frags; - pci_unmap_single(nic->pdev, (dma_addr_t) - txdp->Buffer_Pointer, - skb->len - skb->data_len, - PCI_DMA_TODEVICE); - if (frg_cnt) { - TxD_t *temp; - temp = txdp; - txdp++; - for (j = 0; j < frg_cnt; j++, txdp++) { - skb_frag_t *frag = - &skb_shinfo(skb)->frags[j]; - pci_unmap_page(nic->pdev, - (dma_addr_t) - txdp-> - Buffer_Pointer, - frag->size, - PCI_DMA_TODEVICE); - } - txdp = temp; + skb = s2io_txdl_getskb(&mac_control->fifos[i], txdp, j); + if (skb) { + dev_kfree_skb(skb); + cnt++; } - dev_kfree_skb(skb); - memset(txdp, 0, sizeof(TxD_t) * config->max_txds); - cnt++; } DBG_PRINT(INTR_DBG, "%s:forcibly freeing %d skbs on FIFO%d\n", @@ -2661,7 +2683,6 @@ static void tx_intr_handler(fifo_info_t *fifo_data) tx_curr_get_info_t get_info, put_info; struct sk_buff *skb; TxD_t *txdlp; - u16 j, frg_cnt; get_info = fifo_data->tx_curr_get_info; put_info = fifo_data->tx_curr_put_info; @@ -2684,8 +2705,7 @@ to loss of link\n"); } } - skb = (struct sk_buff *) ((unsigned long) - txdlp->Host_Control); + skb = s2io_txdl_getskb(fifo_data, txdlp, get_info.offset); if (skb == NULL) { DBG_PRINT(ERR_DBG, "%s: Null skb ", __FUNCTION__); @@ -2693,34 +2713,6 @@ to loss of link\n"); return; } - frg_cnt = skb_shinfo(skb)->nr_frags; - nic->tx_pkt_count++; - - pci_unmap_single(nic->pdev, (dma_addr_t) - txdlp->Buffer_Pointer, - skb->len - skb->data_len, - PCI_DMA_TODEVICE); - if (frg_cnt) { - TxD_t *temp; - temp = txdlp; - txdlp++; - for (j = 0; j < frg_cnt; j++, txdlp++) { - skb_frag_t *frag = - &skb_shinfo(skb)->frags[j]; - if (!txdlp->Buffer_Pointer) - break; - pci_unmap_page(nic->pdev, - (dma_addr_t) - txdlp-> - Buffer_Pointer, - frag->size, - PCI_DMA_TODEVICE); - } - txdlp = temp; - } - memset(txdlp, 0, - (sizeof(TxD_t) * fifo_data->max_txds)); - /* Updating the statistics block */ nic->stats.tx_bytes += skb->len; dev_kfree_skb_irq(skb); @@ -3331,7 +3323,7 @@ failed\n", dev->name); s2io_msix_fifo_handle, 0, sp->desc1, sp->s2io_entries[i].arg); DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc1, - sp->msix_info[i].addr); + (unsigned long long)sp->msix_info[i].addr); } else { sprintf(sp->desc2, "%s:MSI-X-%d-RX", dev->name, i); @@ -3339,7 +3331,7 @@ failed\n", dev->name); s2io_msix_ring_handle, 0, sp->desc2, sp->s2io_entries[i].arg); DBG_PRINT(ERR_DBG, "%s @ 0x%llx\n", sp->desc2, - sp->msix_info[i].addr); + (unsigned long long)sp->msix_info[i].addr); } if (err) { DBG_PRINT(ERR_DBG, "%s: MSI-X-%d registration \ @@ -3527,6 +3519,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } + txdp->Control_1 = 0; + txdp->Control_2 = 0; #ifdef NETIF_F_TSO mss = skb_shinfo(skb)->tso_size; if (mss) { @@ -3534,19 +3528,13 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Control_1 |= TXD_TCP_LSO_MSS(mss); } #endif - - frg_cnt = skb_shinfo(skb)->nr_frags; - frg_len = skb->len - skb->data_len; - - txdp->Buffer_Pointer = pci_map_single - (sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE); - txdp->Host_Control = (unsigned long) skb; if (skb->ip_summed == CHECKSUM_HW) { txdp->Control_2 |= (TXD_TX_CKO_IPV4_EN | TXD_TX_CKO_TCP_EN | TXD_TX_CKO_UDP_EN); } - + txdp->Control_1 |= TXD_GATHER_CODE_FIRST; + txdp->Control_1 |= TXD_LIST_OWN_XENA; txdp->Control_2 |= config->tx_intr_type; if (sp->vlgrp && vlan_tx_tag_present(skb)) { @@ -3554,10 +3542,40 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Control_2 |= TXD_VLAN_TAG(vlan_tag); } - txdp->Control_1 |= (TXD_BUFFER0_SIZE(frg_len) | - TXD_GATHER_CODE_FIRST); - txdp->Control_1 |= TXD_LIST_OWN_XENA; + frg_len = skb->len - skb->data_len; + if (skb_shinfo(skb)->ufo_size) { + int ufo_size; + + ufo_size = skb_shinfo(skb)->ufo_size; + ufo_size &= ~7; + txdp->Control_1 |= TXD_UFO_EN; + txdp->Control_1 |= TXD_UFO_MSS(ufo_size); + txdp->Control_1 |= TXD_BUFFER0_SIZE(8); +#ifdef __BIG_ENDIAN + sp->ufo_in_band_v[put_off] = + (u64)skb_shinfo(skb)->ip6_frag_id; +#else + sp->ufo_in_band_v[put_off] = + (u64)skb_shinfo(skb)->ip6_frag_id << 32; +#endif + txdp->Host_Control = (unsigned long)sp->ufo_in_band_v; + txdp->Buffer_Pointer = pci_map_single(sp->pdev, + sp->ufo_in_band_v, + sizeof(u64), PCI_DMA_TODEVICE); + txdp++; + txdp->Control_1 = 0; + txdp->Control_2 = 0; + } + + txdp->Buffer_Pointer = pci_map_single + (sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE); + txdp->Host_Control = (unsigned long) skb; + txdp->Control_1 |= TXD_BUFFER0_SIZE(frg_len); + if (skb_shinfo(skb)->ufo_size) + txdp->Control_1 |= TXD_UFO_EN; + + frg_cnt = skb_shinfo(skb)->nr_frags; /* For fragmented SKB. */ for (i = 0; i < frg_cnt; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; @@ -3569,9 +3587,14 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) (sp->pdev, frag->page, frag->page_offset, frag->size, PCI_DMA_TODEVICE); txdp->Control_1 |= TXD_BUFFER0_SIZE(frag->size); + if (skb_shinfo(skb)->ufo_size) + txdp->Control_1 |= TXD_UFO_EN; } txdp->Control_1 |= TXD_GATHER_CODE_LAST; + if (skb_shinfo(skb)->ufo_size) + frg_cnt++; /* as Txd0 was used for inband header */ + tx_fifo = mac_control->tx_FIFO_start[queue]; val64 = mac_control->fifos[queue].list_info[put_off].list_phy_addr; writeq(val64, &tx_fifo->TxDL_Pointer); @@ -3583,6 +3606,8 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) if (mss) val64 |= TX_FIFO_SPECIAL_FUNC; #endif + if (skb_shinfo(skb)->ufo_size) + val64 |= TX_FIFO_SPECIAL_FUNC; writeq(val64, &tx_fifo->List_Control); mmiowb(); @@ -4721,7 +4746,10 @@ static int s2io_eeprom_test(nic_t * sp, uint64_t * data) fail = 1; if (ret_data != 0x012345) { - DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. Data written %llx Data read %llx\n", dev->name, (u64)0x12345, ret_data); + DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x4F0. " + "Data written %llx Data read %llx\n", + dev->name, (unsigned long long)0x12345, + (unsigned long long)ret_data); fail = 1; } @@ -4740,7 +4768,10 @@ static int s2io_eeprom_test(nic_t * sp, uint64_t * data) fail = 1; if (ret_data != 0x012345) { - DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. Data written %llx Data read %llx\n", dev->name, (u64)0x12345, ret_data); + DBG_PRINT(ERR_DBG, "%s: eeprom test error at offset 0x7F0. " + "Data written %llx Data read %llx\n", + dev->name, (unsigned long long)0x12345, + (unsigned long long)ret_data); fail = 1; } @@ -5190,6 +5221,8 @@ static struct ethtool_ops netdev_ethtool_ops = { .get_tso = ethtool_op_get_tso, .set_tso = ethtool_op_set_tso, #endif + .get_ufo = ethtool_op_get_ufo, + .set_ufo = ethtool_op_set_ufo, .self_test_count = s2io_ethtool_self_test_count, .self_test = s2io_ethtool_test, .get_strings = s2io_ethtool_get_strings, @@ -5941,7 +5974,8 @@ Defaulting to INTA\n"); break; } } - config->max_txds = MAX_SKB_FRAGS + 1; + /* + 2 because one Txd for skb->data and one Txd for UFO */ + config->max_txds = MAX_SKB_FRAGS + 2; /* Rx side parameters. */ if (rx_ring_sz[0] == 0) @@ -6035,6 +6069,10 @@ Defaulting to INTA\n"); #ifdef NETIF_F_TSO dev->features |= NETIF_F_TSO; #endif + if (sp->device_type & XFRAME_II_DEVICE) { + dev->features |= NETIF_F_UFO; + dev->features |= NETIF_F_HW_CSUM; + } dev->tx_timeout = &s2io_tx_watchdog; dev->watchdog_timeo = WATCH_DOG_TIMEOUT; |