diff options
Diffstat (limited to 'drivers/net')
85 files changed, 1490 insertions, 820 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index a746ba2..a956053 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -1007,7 +1007,7 @@ static void arcnet_rx(struct net_device *dev, int bufnum) soft = &pkt.soft.rfc1201; - lp->hw.copy_from_card(dev, bufnum, 0, &pkt, sizeof(ARC_HDR_SIZE)); + lp->hw.copy_from_card(dev, bufnum, 0, &pkt, ARC_HDR_SIZE); if (pkt.hard.offset[0]) { ofs = pkt.hard.offset[0]; length = 256 - ofs; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 07f257d4..e48cb33 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3714,11 +3714,17 @@ static int bond_neigh_init(struct neighbour *n) * The bonding ndo_neigh_setup is called at init time beofre any * slave exists. So we must declare proxy setup function which will * be used at run time to resolve the actual slave neigh param setup. + * + * It's also called by master devices (such as vlans) to setup their + * underlying devices. In that case - do nothing, we're already set up from + * our init. */ static int bond_neigh_setup(struct net_device *dev, struct neigh_parms *parms) { - parms->neigh_setup = bond_neigh_init; + /* modify only our neigh_parms */ + if (parms->dev == dev) + parms->neigh_setup = bond_neigh_init; return 0; } diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 6aa7b32..ac6177d 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -412,10 +412,20 @@ static void esd_usb2_read_bulk_callback(struct urb *urb) switch (msg->msg.hdr.cmd) { case CMD_CAN_RX: + if (msg->msg.rx.net >= dev->net_count) { + dev_err(dev->udev->dev.parent, "format error\n"); + break; + } + esd_usb2_rx_can_msg(dev->nets[msg->msg.rx.net], msg); break; case CMD_CAN_TX: + if (msg->msg.txdone.net >= dev->net_count) { + dev_err(dev->udev->dev.parent, "format error\n"); + break; + } + esd_usb2_tx_done_msg(dev->nets[msg->msg.txdone.net], msg); break; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c index 25723d8..925ab8e 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb.c @@ -649,7 +649,7 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len) if ((mc->ptr + rec_len) > mc->end) goto decode_failed; - memcpy(cf->data, mc->ptr, rec_len); + memcpy(cf->data, mc->ptr, cf->can_dlc); mc->ptr += rec_len; } diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c index cbd388e..8becd3d 100644 --- a/drivers/net/can/usb/usb_8dev.c +++ b/drivers/net/can/usb/usb_8dev.c @@ -779,6 +779,7 @@ static int usb_8dev_start(struct usb_8dev_priv *priv) usb_unanchor_urb(urb); usb_free_coherent(priv->udev, RX_BUFFER_SIZE, buf, urb->transfer_dma); + usb_free_urb(urb); break; } diff --git a/drivers/net/ethernet/allwinner/Kconfig b/drivers/net/ethernet/allwinner/Kconfig index 53ad213..d8d95d4 100644 --- a/drivers/net/ethernet/allwinner/Kconfig +++ b/drivers/net/ethernet/allwinner/Kconfig @@ -3,19 +3,20 @@ # config NET_VENDOR_ALLWINNER - bool "Allwinner devices" - default y - depends on ARCH_SUNXI - ---help--- - If you have a network (Ethernet) card belonging to this - class, say Y and read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. + bool "Allwinner devices" + default y - Note that the answer to this question doesn't directly - affect the kernel: saying N will just cause the configurator - to skip all the questions about Allwinner cards. If you say Y, - you will be asked for your specific card in the following - questions. + depends on ARCH_SUNXI + ---help--- + If you have a network (Ethernet) card belonging to this + class, say Y and read the Ethernet-HOWTO, available from + <http://www.tldp.org/docs.html#howto>. + + Note that the answer to this question doesn't directly + affect the kernel: saying N will just cause the configurator + to skip all the questions about Allwinner cards. If you say Y, + you will be asked for your specific card in the following + questions. if NET_VENDOR_ALLWINNER @@ -26,6 +27,7 @@ config SUN4I_EMAC select CRC32 select MII select PHYLIB + select MDIO_SUN4I ---help--- Support for Allwinner A10 EMAC ethernet driver. diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index f1b121e..55d79cb 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -199,7 +199,7 @@ static int arc_emac_rx(struct net_device *ndev, int budget) struct arc_emac_priv *priv = netdev_priv(ndev); unsigned int work_done; - for (work_done = 0; work_done <= budget; work_done++) { + for (work_done = 0; work_done < budget; work_done++) { unsigned int *last_rx_bd = &priv->last_rx_bd; struct net_device_stats *stats = &priv->stats; struct buffer_state *rx_buff = &priv->rx_buff[*last_rx_bd]; diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c.h b/drivers/net/ethernet/atheros/atl1c/atl1c.h index b2bf324..0f05565 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c.h +++ b/drivers/net/ethernet/atheros/atl1c/atl1c.h @@ -520,6 +520,9 @@ struct atl1c_adapter { struct net_device *netdev; struct pci_dev *pdev; struct napi_struct napi; + struct page *rx_page; + unsigned int rx_page_offset; + unsigned int rx_frag_size; struct atl1c_hw hw; struct atl1c_hw_stats hw_stats; struct mii_if_info mii; /* MII interface info */ diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 786a874..a36a760 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -481,10 +481,15 @@ static int atl1c_set_mac_addr(struct net_device *netdev, void *p) static void atl1c_set_rxbufsize(struct atl1c_adapter *adapter, struct net_device *dev) { + unsigned int head_size; int mtu = dev->mtu; adapter->rx_buffer_len = mtu > AT_RX_BUF_SIZE ? roundup(mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN, 8) : AT_RX_BUF_SIZE; + + head_size = SKB_DATA_ALIGN(adapter->rx_buffer_len + NET_SKB_PAD) + + SKB_DATA_ALIGN(sizeof(struct skb_shared_info)); + adapter->rx_frag_size = roundup_pow_of_two(head_size); } static netdev_features_t atl1c_fix_features(struct net_device *netdev, @@ -952,6 +957,10 @@ static void atl1c_free_ring_resources(struct atl1c_adapter *adapter) kfree(adapter->tpd_ring[0].buffer_info); adapter->tpd_ring[0].buffer_info = NULL; } + if (adapter->rx_page) { + put_page(adapter->rx_page); + adapter->rx_page = NULL; + } } /** @@ -1639,6 +1648,35 @@ static inline void atl1c_rx_checksum(struct atl1c_adapter *adapter, skb_checksum_none_assert(skb); } +static struct sk_buff *atl1c_alloc_skb(struct atl1c_adapter *adapter) +{ + struct sk_buff *skb; + struct page *page; + + if (adapter->rx_frag_size > PAGE_SIZE) + return netdev_alloc_skb(adapter->netdev, + adapter->rx_buffer_len); + + page = adapter->rx_page; + if (!page) { + adapter->rx_page = page = alloc_page(GFP_ATOMIC); + if (unlikely(!page)) + return NULL; + adapter->rx_page_offset = 0; + } + + skb = build_skb(page_address(page) + adapter->rx_page_offset, + adapter->rx_frag_size); + if (likely(skb)) { + adapter->rx_page_offset += adapter->rx_frag_size; + if (adapter->rx_page_offset >= PAGE_SIZE) + adapter->rx_page = NULL; + else + get_page(page); + } + return skb; +} + static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter) { struct atl1c_rfd_ring *rfd_ring = &adapter->rfd_ring; @@ -1660,7 +1698,7 @@ static int atl1c_alloc_rx_buffer(struct atl1c_adapter *adapter) while (next_info->flags & ATL1C_BUFFER_FREE) { rfd_desc = ATL1C_RFD_DESC(rfd_ring, rfd_next_to_use); - skb = netdev_alloc_skb(adapter->netdev, adapter->rx_buffer_len); + skb = atl1c_alloc_skb(adapter); if (unlikely(!skb)) { if (netif_msg_rx_err(adapter)) dev_warn(&pdev->dev, "alloc rx buffer failed\n"); diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 6d1a62a..1966444 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -1678,6 +1678,7 @@ static int atl1e_tx_map(struct atl1e_adapter *adapter, u16 f; int segment; int ring_start = adapter->tx_ring.next_to_use; + int ring_end; nr_frags = skb_shinfo(skb)->nr_frags; segment = (tpd->word3 >> TPD_SEGMENT_EN_SHIFT) & TPD_SEGMENT_EN_MASK; @@ -1721,6 +1722,15 @@ static int atl1e_tx_map(struct atl1e_adapter *adapter, map_len, PCI_DMA_TODEVICE); if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma)) { + /* We need to unwind the mappings we've done */ + ring_end = adapter->tx_ring.next_to_use; + adapter->tx_ring.next_to_use = ring_start; + while (adapter->tx_ring.next_to_use != ring_end) { + tpd = atl1e_get_tpd(adapter); + tx_buffer = atl1e_get_tx_buffer(adapter, tpd); + pci_unmap_single(adapter->pdev, tx_buffer->dma, + tx_buffer->length, PCI_DMA_TODEVICE); + } /* Reset the tx rings next pointer */ adapter->tx_ring.next_to_use = ring_start; return -ENOSPC; @@ -1763,6 +1773,16 @@ static int atl1e_tx_map(struct atl1e_adapter *adapter, DMA_TO_DEVICE); if (dma_mapping_error(&adapter->pdev->dev, tx_buffer->dma)) { + /* We need to unwind the mappings we've done */ + ring_end = adapter->tx_ring.next_to_use; + adapter->tx_ring.next_to_use = ring_start; + while (adapter->tx_ring.next_to_use != ring_end) { + tpd = atl1e_get_tpd(adapter); + tx_buffer = atl1e_get_tx_buffer(adapter, tpd); + dma_unmap_page(&adapter->pdev->dev, tx_buffer->dma, + tx_buffer->length, DMA_TO_DEVICE); + } + /* Reset the ring next to use pointer */ adapter->tx_ring.next_to_use = ring_start; return -ENOSPC; @@ -1853,8 +1873,10 @@ static netdev_tx_t atl1e_xmit_frame(struct sk_buff *skb, return NETDEV_TX_OK; } - if (atl1e_tx_map(adapter, skb, tpd)) + if (atl1e_tx_map(adapter, skb, tpd)) { + dev_kfree_skb_any(skb); goto out; + } atl1e_tx_queue(adapter, tpd_req, tpd); diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig index 1d680ba..52c9603 100644 --- a/drivers/net/ethernet/broadcom/Kconfig +++ b/drivers/net/ethernet/broadcom/Kconfig @@ -131,6 +131,7 @@ config BNX2X_SRIOV config BGMAC tristate "BCMA bus GBit core support" depends on BCMA_HOST_SOC && HAS_DMA + select PHYLIB ---help--- This driver supports GBit MAC and BCM4706 GBit MAC cores on BCMA bus. They can be found on BCM47xx SoCs and provide gigabit ethernet. diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index dedbd76..00b88cb 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -486,7 +486,7 @@ struct bnx2x_fastpath { struct napi_struct napi; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define BNX2X_FP_STATE_IDLE 0 #define BNX2X_FP_STATE_NAPI (1 << 0) /* NAPI owns this FP */ @@ -498,7 +498,7 @@ struct bnx2x_fastpath { #define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD) /* protect state */ spinlock_t lock; -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ union host_hc_status_block status_blk; /* chip independent shortcuts into sb structure */ @@ -572,7 +572,7 @@ struct bnx2x_fastpath { #define bnx2x_fp_stats(bp, fp) (&((bp)->fp_stats[(fp)->index])) #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats)) -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) { spin_lock_init(&fp->lock); @@ -680,7 +680,7 @@ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ /* Use 2500 as a mini-jumbo MTU for FCoE */ #define BNX2X_FCOE_MINI_JUMBO_MTU 2500 @@ -1333,6 +1333,8 @@ enum { BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN, BNX2X_SP_RTNL_VFPF_STORM_RX_MODE, BNX2X_SP_RTNL_HYPERVISOR_VLAN, + BNX2X_SP_RTNL_TX_STOP, + BNX2X_SP_RTNL_TX_RESUME, }; struct bnx2x_prev_path_list { @@ -1502,6 +1504,7 @@ struct bnx2x { #define BC_SUPPORTS_DCBX_MSG_NON_PMF (1 << 21) #define IS_VF_FLAG (1 << 22) #define INTERRUPTS_ENABLED_FLAG (1 << 23) +#define BC_SUPPORTS_RMMOD_CMD (1 << 24) #define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG) @@ -1830,6 +1833,8 @@ struct bnx2x { int fp_array_size; u32 dump_preset_idx; + bool stats_started; + struct semaphore stats_sema; }; /* Tx queues may be less or equal to Rx queues */ @@ -2451,4 +2456,6 @@ enum bnx2x_pci_bus_speed { BNX2X_PCI_LINK_SPEED_5000 = 5000, BNX2X_PCI_LINK_SPEED_8000 = 8000 }; + +void bnx2x_set_local_cmng(struct bnx2x *bp); #endif /* bnx2x.h */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index ee350bd..f2d1ff1 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -3117,7 +3117,7 @@ int bnx2x_poll(struct napi_struct *napi, int budget) return work_done; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ int bnx2x_low_latency_recv(struct napi_struct *napi) { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c index 0c94df4..fcf2761 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c @@ -30,10 +30,8 @@ #include "bnx2x_dcb.h" /* forward declarations of dcbx related functions */ -static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); static void bnx2x_pfc_set_pfc(struct bnx2x *bp); static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp); -static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp, u32 *set_configuration_ets_pg, u32 *pri_pg_tbl); @@ -425,30 +423,52 @@ static void bnx2x_pfc_set_pfc(struct bnx2x *bp) bnx2x_pfc_clear(bp); } -static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) +int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp) { struct bnx2x_func_state_params func_params = {NULL}; + int rc; func_params.f_obj = &bp->func_obj; func_params.cmd = BNX2X_F_CMD_TX_STOP; + __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); + __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); + DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n"); - return bnx2x_func_state_change(bp, &func_params); + + rc = bnx2x_func_state_change(bp, &func_params); + if (rc) { + BNX2X_ERR("Unable to hold traffic for HW configuration\n"); + bnx2x_panic(); + } + + return rc; } -static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) +int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp) { struct bnx2x_func_state_params func_params = {NULL}; struct bnx2x_func_tx_start_params *tx_params = &func_params.params.tx_start; + int rc; func_params.f_obj = &bp->func_obj; func_params.cmd = BNX2X_F_CMD_TX_START; + __set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags); + __set_bit(RAMROD_RETRY, &func_params.ramrod_flags); + bnx2x_dcbx_fw_struct(bp, tx_params); DP(BNX2X_MSG_DCB, "START TRAFFIC\n"); - return bnx2x_func_state_change(bp, &func_params); + + rc = bnx2x_func_state_change(bp, &func_params); + if (rc) { + BNX2X_ERR("Unable to resume traffic after HW configuration\n"); + bnx2x_panic(); + } + + return rc; } static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp) @@ -744,7 +764,9 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) if (IS_MF(bp)) bnx2x_link_sync_notify(bp); - bnx2x_dcbx_stop_hw_tx(bp); + set_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state); + + schedule_delayed_work(&bp->sp_rtnl_task, 0); return; } @@ -753,7 +775,13 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state) bnx2x_pfc_set_pfc(bp); bnx2x_dcbx_update_ets_params(bp); - bnx2x_dcbx_resume_hw_tx(bp); + + /* ets may affect cmng configuration: reinit it in hw */ + bnx2x_set_local_cmng(bp); + + set_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state); + + schedule_delayed_work(&bp->sp_rtnl_task, 0); return; case BNX2X_DCBX_STATE_TX_RELEASED: @@ -2363,21 +2391,24 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid, case DCB_FEATCFG_ATTR_PG: if (bp->dcbx_local_feat.ets.enabled) *flags |= DCB_FEATCFG_ENABLE; - if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR) + if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; case DCB_FEATCFG_ATTR_PFC: if (bp->dcbx_local_feat.pfc.enabled) *flags |= DCB_FEATCFG_ENABLE; if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR | - DCBX_LOCAL_PFC_MISMATCH)) + DCBX_LOCAL_PFC_MISMATCH | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; case DCB_FEATCFG_ATTR_APP: if (bp->dcbx_local_feat.app.enabled) *flags |= DCB_FEATCFG_ENABLE; if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR | - DCBX_LOCAL_APP_MISMATCH)) + DCBX_LOCAL_APP_MISMATCH | + DCBX_REMOTE_MIB_ERROR)) *flags |= DCB_FEATCFG_ERROR; break; default: diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h index 125bd1b..804b8f6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h @@ -199,4 +199,7 @@ extern const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops; int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall); #endif /* BCM_DCBNL */ +int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp); +int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp); + #endif /* BNX2X_DCB_H */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h index 5018e52..32767f6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h @@ -1300,6 +1300,9 @@ struct drv_func_mb { #define DRV_MSG_CODE_EEE_RESULTS_ACK 0xda000000 + #define DRV_MSG_CODE_RMMOD 0xdb000000 + #define REQ_BC_VER_4_RMMOD_CMD 0x0007080f + #define DRV_MSG_CODE_SET_MF_BW 0xe0000000 #define REQ_BC_VER_4_SET_MF_BW 0x00060202 #define DRV_MSG_CODE_SET_MF_BW_ACK 0xe1000000 @@ -1372,6 +1375,8 @@ struct drv_func_mb { #define FW_MSG_CODE_EEE_RESULS_ACK 0xda100000 + #define FW_MSG_CODE_RMMOD_ACK 0xdb100000 + #define FW_MSG_CODE_SET_MF_BW_SENT 0xe0000000 #define FW_MSG_CODE_SET_MF_BW_DONE 0xe1000000 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index e5da078..8bdc8b9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -2261,6 +2261,23 @@ static void bnx2x_set_requested_fc(struct bnx2x *bp) bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; } +static void bnx2x_init_dropless_fc(struct bnx2x *bp) +{ + u32 pause_enabled = 0; + + if (!CHIP_IS_E1(bp) && bp->dropless_fc && bp->link_vars.link_up) { + if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) + pause_enabled = 1; + + REG_WR(bp, BAR_USTRORM_INTMEM + + USTORM_ETH_PAUSE_ENABLED_OFFSET(BP_PORT(bp)), + pause_enabled); + } + + DP(NETIF_MSG_IFUP | NETIF_MSG_LINK, "dropless_fc is %s\n", + pause_enabled ? "enabled" : "disabled"); +} + int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) { int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp); @@ -2294,6 +2311,8 @@ int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode) bnx2x_release_phy_lock(bp); + bnx2x_init_dropless_fc(bp); + bnx2x_calc_fc_adv(bp); if (bp->link_vars.link_up) { @@ -2315,6 +2334,8 @@ void bnx2x_link_set(struct bnx2x *bp) bnx2x_phy_init(&bp->link_params, &bp->link_vars); bnx2x_release_phy_lock(bp); + bnx2x_init_dropless_fc(bp); + bnx2x_calc_fc_adv(bp); } else BNX2X_ERR("Bootcode is missing - can not set link\n"); @@ -2476,7 +2497,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) input.port_rate = bp->link_vars.line_speed; - if (cmng_type == CMNG_FNS_MINMAX) { + if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) { int vn; /* read mf conf from shmem */ @@ -2533,6 +2554,21 @@ static void storm_memset_cmng(struct bnx2x *bp, } } +/* init cmng mode in HW according to local configuration */ +void bnx2x_set_local_cmng(struct bnx2x *bp) +{ + int cmng_fns = bnx2x_get_cmng_fns_mode(bp); + + if (cmng_fns != CMNG_FNS_NONE) { + bnx2x_cmng_fns_init(bp, false, cmng_fns); + storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp)); + } else { + /* rate shaping and fairness are disabled */ + DP(NETIF_MSG_IFUP, + "single function mode without fairness\n"); + } +} + /* This function is called upon link interrupt */ static void bnx2x_link_attn(struct bnx2x *bp) { @@ -2541,20 +2577,9 @@ static void bnx2x_link_attn(struct bnx2x *bp) bnx2x_link_update(&bp->link_params, &bp->link_vars); - if (bp->link_vars.link_up) { + bnx2x_init_dropless_fc(bp); - /* dropless flow control */ - if (!CHIP_IS_E1(bp) && bp->dropless_fc) { - int port = BP_PORT(bp); - u32 pause_enabled = 0; - - if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) - pause_enabled = 1; - - REG_WR(bp, BAR_USTRORM_INTMEM + - USTORM_ETH_PAUSE_ENABLED_OFFSET(port), - pause_enabled); - } + if (bp->link_vars.link_up) { if (bp->link_vars.mac_type != MAC_TYPE_EMAC) { struct host_port_stats *pstats; @@ -2568,17 +2593,8 @@ static void bnx2x_link_attn(struct bnx2x *bp) bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); } - if (bp->link_vars.link_up && bp->link_vars.line_speed) { - int cmng_fns = bnx2x_get_cmng_fns_mode(bp); - - if (cmng_fns != CMNG_FNS_NONE) { - bnx2x_cmng_fns_init(bp, false, cmng_fns); - storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp)); - } else - /* rate shaping and fairness are disabled */ - DP(NETIF_MSG_IFUP, - "single function mode without fairness\n"); - } + if (bp->link_vars.link_up && bp->link_vars.line_speed) + bnx2x_set_local_cmng(bp); __bnx2x_link_report(bp); @@ -9639,6 +9655,12 @@ sp_rtnl_not_reset: &bp->sp_rtnl_state)) bnx2x_pf_set_vfs_vlan(bp); + if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state)) + bnx2x_dcbx_stop_hw_tx(bp); + + if (test_and_clear_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state)) + bnx2x_dcbx_resume_hw_tx(bp); + /* work which needs rtnl lock not-taken (as it takes the lock itself and * can be called from other contexts as well) */ @@ -10362,6 +10384,10 @@ static void bnx2x_get_common_hwinfo(struct bnx2x *bp) bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ? BC_SUPPORTS_DCBX_MSG_NON_PMF : 0; + + bp->flags |= (val >= REQ_BC_VER_4_RMMOD_CMD) ? + BC_SUPPORTS_RMMOD_CMD : 0; + boot_mode = SHMEM_RD(bp, dev_info.port_feature_config[BP_PORT(bp)].mba_config) & PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK; @@ -11137,6 +11163,9 @@ static bool bnx2x_get_dropless_info(struct bnx2x *bp) int tmp; u32 cfg; + if (IS_VF(bp)) + return 0; + if (IS_MF(bp) && !CHIP_IS_E1x(bp)) { /* Take function: tmp = func */ tmp = BP_ABS_FUNC(bp); @@ -11524,6 +11553,7 @@ static int bnx2x_init_bp(struct bnx2x *bp) mutex_init(&bp->port.phy_mutex); mutex_init(&bp->fw_mb_mutex); spin_lock_init(&bp->stats_lock); + sema_init(&bp->stats_sema, 1); INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task); INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task); @@ -12026,7 +12056,7 @@ static const struct net_device_ops bnx2x_netdev_ops = { .ndo_fcoe_get_wwn = bnx2x_fcoe_get_wwn, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = bnx2x_low_latency_recv, #endif }; @@ -12817,13 +12847,17 @@ static void __bnx2x_remove(struct pci_dev *pdev, bnx2x_dcbnl_update_applist(bp, true); #endif + if (IS_PF(bp) && + !BP_NOMCP(bp) && + (bp->flags & BC_SUPPORTS_RMMOD_CMD)) + bnx2x_fw_command(bp, DRV_MSG_CODE_RMMOD, 0); + /* Close the interface - either directly or implicitly */ if (remove_netdev) { unregister_netdev(dev); } else { rtnl_lock(); - if (netif_running(dev)) - bnx2x_close(dev); + dev_close(dev); rtnl_unlock(); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 95861ef..ad83f4b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1747,11 +1747,8 @@ void bnx2x_iov_init_dq(struct bnx2x *bp) void bnx2x_iov_init_dmae(struct bnx2x *bp) { - DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF"); - if (!IS_SRIOV(bp)) - return; - - REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); + if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV)) + REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); } static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) @@ -3084,8 +3081,9 @@ void bnx2x_disable_sriov(struct bnx2x *bp) pci_disable_sriov(bp->pdev); } -static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx, - struct bnx2x_virtf *vf) +static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx, + struct bnx2x_virtf **vf, + struct pf_vf_bulletin_content **bulletin) { if (bp->state != BNX2X_STATE_OPEN) { BNX2X_ERR("vf ndo called though PF is down\n"); @@ -3103,12 +3101,22 @@ static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx, return -EINVAL; } - if (!vf) { + /* init members */ + *vf = BP_VF(bp, vfidx); + *bulletin = BP_VF_BULLETIN(bp, vfidx); + + if (!*vf) { BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n", vfidx); return -EINVAL; } + if (!*bulletin) { + BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n", + vfidx); + return -EINVAL; + } + return 0; } @@ -3116,17 +3124,19 @@ int bnx2x_get_vf_config(struct net_device *dev, int vfidx, struct ifla_vf_info *ivi) { struct bnx2x *bp = netdev_priv(dev); - struct bnx2x_virtf *vf = BP_VF(bp, vfidx); - struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj); - struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj); - struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); + struct bnx2x_virtf *vf = NULL; + struct pf_vf_bulletin_content *bulletin = NULL; + struct bnx2x_vlan_mac_obj *mac_obj; + struct bnx2x_vlan_mac_obj *vlan_obj; int rc; - /* sanity */ - rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); + /* sanity and init */ + rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); if (rc) return rc; - if (!mac_obj || !vlan_obj || !bulletin) { + mac_obj = &bnx2x_vfq(vf, 0, mac_obj); + vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj); + if (!mac_obj || !vlan_obj) { BNX2X_ERR("VF partially initialized\n"); return -EINVAL; } @@ -3183,11 +3193,11 @@ int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac) { struct bnx2x *bp = netdev_priv(dev); int rc, q_logical_state; - struct bnx2x_virtf *vf = BP_VF(bp, vfidx); - struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); + struct bnx2x_virtf *vf = NULL; + struct pf_vf_bulletin_content *bulletin = NULL; - /* sanity */ - rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); + /* sanity and init */ + rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); if (rc) return rc; if (!is_valid_ether_addr(mac)) { @@ -3249,11 +3259,11 @@ int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) { struct bnx2x *bp = netdev_priv(dev); int rc, q_logical_state; - struct bnx2x_virtf *vf = BP_VF(bp, vfidx); - struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); + struct bnx2x_virtf *vf = NULL; + struct pf_vf_bulletin_content *bulletin = NULL; - /* sanity */ - rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); + /* sanity and init */ + rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin); if (rc) return rc; @@ -3463,7 +3473,7 @@ int bnx2x_vf_pci_alloc(struct bnx2x *bp) alloc_mem_err: BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, sizeof(struct bnx2x_vf_mbx_msg)); - BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, + BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping, sizeof(union pf_vf_bulletin)); return -ENOMEM; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c index 98366ab..d63d132 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c @@ -221,7 +221,8 @@ static int bnx2x_stats_comp(struct bnx2x *bp) * Statistics service functions */ -static void bnx2x_stats_pmf_update(struct bnx2x *bp) +/* should be called under stats_sema */ +static void __bnx2x_stats_pmf_update(struct bnx2x *bp) { struct dmae_command *dmae; u32 opcode; @@ -518,7 +519,8 @@ static void bnx2x_func_stats_init(struct bnx2x *bp) *stats_comp = 0; } -static void bnx2x_stats_start(struct bnx2x *bp) +/* should be called under stats_sema */ +static void __bnx2x_stats_start(struct bnx2x *bp) { /* vfs travel through here as part of the statistics FSM, but no action * is required @@ -534,13 +536,34 @@ static void bnx2x_stats_start(struct bnx2x *bp) bnx2x_hw_stats_post(bp); bnx2x_storm_stats_post(bp); + + bp->stats_started = true; +} + +static void bnx2x_stats_start(struct bnx2x *bp) +{ + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); + __bnx2x_stats_start(bp); + up(&bp->stats_sema); } static void bnx2x_stats_pmf_start(struct bnx2x *bp) { + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); bnx2x_stats_comp(bp); - bnx2x_stats_pmf_update(bp); - bnx2x_stats_start(bp); + __bnx2x_stats_pmf_update(bp); + __bnx2x_stats_start(bp); + up(&bp->stats_sema); +} + +static void bnx2x_stats_pmf_update(struct bnx2x *bp) +{ + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); + __bnx2x_stats_pmf_update(bp); + up(&bp->stats_sema); } static void bnx2x_stats_restart(struct bnx2x *bp) @@ -550,8 +573,11 @@ static void bnx2x_stats_restart(struct bnx2x *bp) */ if (IS_VF(bp)) return; + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); bnx2x_stats_comp(bp); - bnx2x_stats_start(bp); + __bnx2x_stats_start(bp); + up(&bp->stats_sema); } static void bnx2x_bmac_stats_update(struct bnx2x *bp) @@ -888,9 +914,7 @@ static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp) /* Make sure we use the value of the counter * used for sending the last stats ramrod. */ - spin_lock_bh(&bp->stats_lock); cur_stats_counter = bp->stats_counter - 1; - spin_unlock_bh(&bp->stats_lock); /* are storm stats valid? */ if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) { @@ -1227,12 +1251,18 @@ static void bnx2x_stats_update(struct bnx2x *bp) { u32 *stats_comp = bnx2x_sp(bp, stats_comp); - if (bnx2x_edebug_stats_stopped(bp)) + /* we run update from timer context, so give up + * if somebody is in the middle of transition + */ + if (down_trylock(&bp->stats_sema)) return; + if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started) + goto out; + if (IS_PF(bp)) { if (*stats_comp != DMAE_COMP_VAL) - return; + goto out; if (bp->port.pmf) bnx2x_hw_stats_update(bp); @@ -1242,7 +1272,7 @@ static void bnx2x_stats_update(struct bnx2x *bp) BNX2X_ERR("storm stats were not updated for 3 times\n"); bnx2x_panic(); } - return; + goto out; } } else { /* vf doesn't collect HW statistics, and doesn't get completions @@ -1256,7 +1286,7 @@ static void bnx2x_stats_update(struct bnx2x *bp) /* vf is done */ if (IS_VF(bp)) - return; + goto out; if (netif_msg_timer(bp)) { struct bnx2x_eth_stats *estats = &bp->eth_stats; @@ -1267,6 +1297,9 @@ static void bnx2x_stats_update(struct bnx2x *bp) bnx2x_hw_stats_post(bp); bnx2x_storm_stats_post(bp); + +out: + up(&bp->stats_sema); } static void bnx2x_port_stats_stop(struct bnx2x *bp) @@ -1332,6 +1365,11 @@ static void bnx2x_stats_stop(struct bnx2x *bp) { int update = 0; + if (down_timeout(&bp->stats_sema, HZ/10)) + BNX2X_ERR("Unable to acquire stats lock\n"); + + bp->stats_started = false; + bnx2x_stats_comp(bp); if (bp->port.pmf) @@ -1348,6 +1386,8 @@ static void bnx2x_stats_stop(struct bnx2x *bp) bnx2x_hw_stats_post(bp); bnx2x_stats_comp(bp); } + + up(&bp->stats_sema); } static void bnx2x_stats_do_nothing(struct bnx2x *bp) @@ -1376,15 +1416,17 @@ static const struct { void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) { enum bnx2x_stats_state state; + void (*action)(struct bnx2x *bp); if (unlikely(bp->panic)) return; spin_lock_bh(&bp->stats_lock); state = bp->stats_state; bp->stats_state = bnx2x_stats_stm[state][event].next_state; + action = bnx2x_stats_stm[state][event].action; spin_unlock_bh(&bp->stats_lock); - bnx2x_stats_stm[state][event].action(bp); + action(bp); if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp)) DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index d964f30..0da2214 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -17625,7 +17625,8 @@ err_out_free_res: pci_release_regions(pdev); err_out_disable_pdev: - pci_disable_device(pdev); + if (pci_is_enabled(pdev)) + pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); return err; } @@ -17773,7 +17774,8 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, rtnl_lock(); - if (!netif_running(netdev)) + /* We probably don't have netdev yet */ + if (!netdev || !netif_running(netdev)) goto done; tg3_phy_stop(tp); @@ -17794,8 +17796,10 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, done: if (state == pci_channel_io_perm_failure) { - tg3_napi_enable(tp); - dev_close(netdev); + if (netdev) { + tg3_napi_enable(tp); + dev_close(netdev); + } err = PCI_ERS_RESULT_DISCONNECT; } else { pci_disable_device(pdev); @@ -17825,7 +17829,8 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) rtnl_lock(); if (pci_enable_device(pdev)) { - netdev_err(netdev, "Cannot re-enable PCI device after reset.\n"); + dev_err(&pdev->dev, + "Cannot re-enable PCI device after reset.\n"); goto done; } @@ -17833,7 +17838,7 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) pci_restore_state(pdev); pci_save_state(pdev); - if (!netif_running(netdev)) { + if (!netdev || !netif_running(netdev)) { rc = PCI_ERS_RESULT_RECOVERED; goto done; } @@ -17845,7 +17850,7 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev) rc = PCI_ERS_RESULT_RECOVERED; done: - if (rc != PCI_ERS_RESULT_RECOVERED && netif_running(netdev)) { + if (rc != PCI_ERS_RESULT_RECOVERED && netdev && netif_running(netdev)) { tg3_napi_enable(tp); dev_close(netdev); } diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 687ec4a..9c89dc8 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -455,11 +455,6 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q, q->pg_chunk.offset = 0; mapping = pci_map_page(adapter->pdev, q->pg_chunk.page, 0, q->alloc_size, PCI_DMA_FROMDEVICE); - if (unlikely(pci_dma_mapping_error(adapter->pdev, mapping))) { - __free_pages(q->pg_chunk.page, order); - q->pg_chunk.page = NULL; - return -EIO; - } q->pg_chunk.mapping = mapping; } sd->pg_chunk = q->pg_chunk; @@ -954,75 +949,40 @@ static inline unsigned int calc_tx_descs(const struct sk_buff *skb) return flits_to_desc(flits); } - -/* map_skb - map a packet main body and its page fragments - * @pdev: the PCI device - * @skb: the packet - * @addr: placeholder to save the mapped addresses - * - * map the main body of an sk_buff and its page fragments, if any. - */ -static int map_skb(struct pci_dev *pdev, const struct sk_buff *skb, - dma_addr_t *addr) -{ - const skb_frag_t *fp, *end; - const struct skb_shared_info *si; - - *addr = pci_map_single(pdev, skb->data, skb_headlen(skb), - PCI_DMA_TODEVICE); - if (pci_dma_mapping_error(pdev, *addr)) - goto out_err; - - si = skb_shinfo(skb); - end = &si->frags[si->nr_frags]; - - for (fp = si->frags; fp < end; fp++) { - *++addr = skb_frag_dma_map(&pdev->dev, fp, 0, skb_frag_size(fp), - DMA_TO_DEVICE); - if (pci_dma_mapping_error(pdev, *addr)) - goto unwind; - } - return 0; - -unwind: - while (fp-- > si->frags) - dma_unmap_page(&pdev->dev, *--addr, skb_frag_size(fp), - DMA_TO_DEVICE); - - pci_unmap_single(pdev, addr[-1], skb_headlen(skb), PCI_DMA_TODEVICE); -out_err: - return -ENOMEM; -} - /** - * write_sgl - populate a scatter/gather list for a packet + * make_sgl - populate a scatter/gather list for a packet * @skb: the packet * @sgp: the SGL to populate * @start: start address of skb main body data to include in the SGL * @len: length of skb main body data to include in the SGL - * @addr: the list of the mapped addresses + * @pdev: the PCI device * - * Copies the scatter/gather list for the buffers that make up a packet + * Generates a scatter/gather list for the buffers that make up a packet * and returns the SGL size in 8-byte words. The caller must size the SGL * appropriately. */ -static inline unsigned int write_sgl(const struct sk_buff *skb, +static inline unsigned int make_sgl(const struct sk_buff *skb, struct sg_ent *sgp, unsigned char *start, - unsigned int len, const dma_addr_t *addr) + unsigned int len, struct pci_dev *pdev) { - unsigned int i, j = 0, k = 0, nfrags; + dma_addr_t mapping; + unsigned int i, j = 0, nfrags; if (len) { + mapping = pci_map_single(pdev, start, len, PCI_DMA_TODEVICE); sgp->len[0] = cpu_to_be32(len); - sgp->addr[j++] = cpu_to_be64(addr[k++]); + sgp->addr[0] = cpu_to_be64(mapping); + j = 1; } nfrags = skb_shinfo(skb)->nr_frags; for (i = 0; i < nfrags; i++) { const skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; + mapping = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag), + DMA_TO_DEVICE); sgp->len[j] = cpu_to_be32(skb_frag_size(frag)); - sgp->addr[j] = cpu_to_be64(addr[k++]); + sgp->addr[j] = cpu_to_be64(mapping); j ^= 1; if (j == 0) ++sgp; @@ -1178,7 +1138,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb, const struct port_info *pi, unsigned int pidx, unsigned int gen, struct sge_txq *q, unsigned int ndesc, - unsigned int compl, const dma_addr_t *addr) + unsigned int compl) { unsigned int flits, sgl_flits, cntrl, tso_info; struct sg_ent *sgp, sgl[MAX_SKB_FRAGS / 2 + 1]; @@ -1236,7 +1196,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb, } sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl; - sgl_flits = write_sgl(skb, sgp, skb->data, skb_headlen(skb), addr); + sgl_flits = make_sgl(skb, sgp, skb->data, skb_headlen(skb), adap->pdev); write_wr_hdr_sgl(ndesc, skb, d, pidx, q, sgl, flits, sgl_flits, gen, htonl(V_WR_OP(FW_WROPCODE_TUNNEL_TX_PKT) | compl), @@ -1267,7 +1227,6 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) struct netdev_queue *txq; struct sge_qset *qs; struct sge_txq *q; - dma_addr_t addr[MAX_SKB_FRAGS + 1]; /* * The chip min packet length is 9 octets but play safe and reject @@ -1296,11 +1255,6 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } - if (unlikely(map_skb(adap->pdev, skb, addr) < 0)) { - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - q->in_use += ndesc; if (unlikely(credits - ndesc < q->stop_thres)) { t3_stop_tx_queue(txq, qs, q); @@ -1358,7 +1312,7 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev) if (likely(!skb_shared(skb))) skb_orphan(skb); - write_tx_pkt_wr(adap, skb, pi, pidx, gen, q, ndesc, compl, addr); + write_tx_pkt_wr(adap, skb, pi, pidx, gen, q, ndesc, compl); check_ring_tx_db(adap, q); return NETDEV_TX_OK; } @@ -1623,8 +1577,7 @@ static void setup_deferred_unmapping(struct sk_buff *skb, struct pci_dev *pdev, */ static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb, struct sge_txq *q, unsigned int pidx, - unsigned int gen, unsigned int ndesc, - const dma_addr_t *addr) + unsigned int gen, unsigned int ndesc) { unsigned int sgl_flits, flits; struct work_request_hdr *from; @@ -1645,9 +1598,9 @@ static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb, flits = skb_transport_offset(skb) / 8; sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl; - sgl_flits = write_sgl(skb, sgp, skb_transport_header(skb), - skb_tail_pointer(skb) - - skb_transport_header(skb), addr); + sgl_flits = make_sgl(skb, sgp, skb_transport_header(skb), + skb->tail - skb->transport_header, + adap->pdev); if (need_skb_unmap()) { setup_deferred_unmapping(skb, adap->pdev, sgp, sgl_flits); skb->destructor = deferred_unmap_destructor; @@ -1705,11 +1658,6 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); goto again; } - if (map_skb(adap->pdev, skb, (dma_addr_t *)skb->head)) { - spin_unlock(&q->lock); - return NET_XMIT_SUCCESS; - } - gen = q->gen; q->in_use += ndesc; pidx = q->pidx; @@ -1720,7 +1668,7 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); } spin_unlock(&q->lock); - write_ofld_wr(adap, skb, q, pidx, gen, ndesc, (dma_addr_t *)skb->head); + write_ofld_wr(adap, skb, q, pidx, gen, ndesc); check_ring_tx_db(adap, q); return NET_XMIT_SUCCESS; } @@ -1738,7 +1686,6 @@ static void restart_offloadq(unsigned long data) struct sge_txq *q = &qs->txq[TXQ_OFLD]; const struct port_info *pi = netdev_priv(qs->netdev); struct adapter *adap = pi->adapter; - unsigned int written = 0; spin_lock(&q->lock); again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); @@ -1758,14 +1705,10 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); break; } - if (map_skb(adap->pdev, skb, (dma_addr_t *)skb->head)) - break; - gen = q->gen; q->in_use += ndesc; pidx = q->pidx; q->pidx += ndesc; - written += ndesc; if (q->pidx >= q->size) { q->pidx -= q->size; q->gen ^= 1; @@ -1773,8 +1716,7 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); __skb_unlink(skb, &q->sendq); spin_unlock(&q->lock); - write_ofld_wr(adap, skb, q, pidx, gen, ndesc, - (dma_addr_t *)skb->head); + write_ofld_wr(adap, skb, q, pidx, gen, ndesc); spin_lock(&q->lock); } spin_unlock(&q->lock); @@ -1784,9 +1726,8 @@ again: reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK); set_bit(TXQ_LAST_PKT_DB, &q->flags); #endif wmb(); - if (likely(written)) - t3_write_reg(adap, A_SG_KDOORBELL, - F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id)); + t3_write_reg(adap, A_SG_KDOORBELL, + F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id)); } /** diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 6e6e0a1..8ec5d74 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -3048,6 +3048,9 @@ int be_cmd_get_func_config(struct be_adapter *adapter) adapter->max_event_queues = le16_to_cpu(desc->eq_count); adapter->if_cap_flags = le32_to_cpu(desc->cap_flags); + + /* Clear flags that driver is not interested in */ + adapter->if_cap_flags &= BE_IF_CAP_FLAGS_WANT; } err: mutex_unlock(&adapter->mbox_lock); diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 5228d88..1b3b9e8 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -563,6 +563,12 @@ enum be_if_flags { BE_IF_FLAGS_MULTICAST = 0x1000 }; +#define BE_IF_CAP_FLAGS_WANT (BE_IF_FLAGS_RSS | BE_IF_FLAGS_PROMISCUOUS |\ + BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_VLAN_PROMISCUOUS |\ + BE_IF_FLAGS_VLAN | BE_IF_FLAGS_MCAST_PROMISCUOUS |\ + BE_IF_FLAGS_PASS_L3L4_ERRORS | BE_IF_FLAGS_MULTICAST |\ + BE_IF_FLAGS_UNTAGGED) + /* An RX interface is an object with one or more MAC addresses and * filtering capabilities. */ struct be_cmd_req_if_create { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 2df48bb..4559c35 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -782,16 +782,22 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, if (vlan_tx_tag_present(skb)) vlan_tag = be_get_tx_vlan_tag(adapter, skb); - else if (qnq_async_evt_rcvd(adapter) && adapter->pvid) - vlan_tag = adapter->pvid; + + if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { + if (!vlan_tag) + vlan_tag = adapter->pvid; + /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to + * skip VLAN insertion + */ + if (skip_hw_vlan) + *skip_hw_vlan = true; + } if (vlan_tag) { skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); if (unlikely(!skb)) return skb; skb->vlan_tci = 0; - if (skip_hw_vlan) - *skip_hw_vlan = true; } /* Insert the outer VLAN, if any */ @@ -2557,8 +2563,8 @@ static int be_close(struct net_device *netdev) /* Wait for all pending tx completions to arrive so that * all tx skbs are freed. */ - be_tx_compl_clean(adapter); netif_tx_disable(netdev); + be_tx_compl_clean(adapter); be_rx_qs_destroy(adapter); diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 2b0a0ea..ae23600 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -259,6 +259,7 @@ struct bufdesc_ex { struct fec_enet_delayed_work { struct delayed_work delay_work; bool timeout; + bool trig_tx; }; /* The FEC buffer descriptors track the ring buffers. The rx_bd_base and diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index d3ad5ea..77ea0db 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -93,6 +93,20 @@ static void set_multicast_list(struct net_device *ndev); #define FEC_QUIRK_HAS_CSUM (1 << 5) /* Controller has hardware vlan support */ #define FEC_QUIRK_HAS_VLAN (1 << 6) +/* ENET IP errata ERR006358 + * + * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously + * detected as not set during a prior frame transmission, then the + * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs + * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in + * If the ready bit in the transmit buffer descriptor (TxBD[R]) is previously + * detected as not set during a prior frame transmission, then the + * ENET_TDAR[TDAR] bit is cleared at a later time, even if additional TxBDs + * were added to the ring and the ENET_TDAR[TDAR] bit is set. This results in + * frames not being transmitted until there is a 0-to-1 transition on + * ENET_TDAR[TDAR]. + */ +#define FEC_QUIRK_ERR006358 (1 << 7) static struct platform_device_id fec_devtype[] = { { @@ -112,7 +126,7 @@ static struct platform_device_id fec_devtype[] = { .name = "imx6q-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT | FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM | - FEC_QUIRK_HAS_VLAN, + FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358, }, { .name = "mvf600-fec", .driver_data = FEC_QUIRK_ENET_MAC, @@ -275,16 +289,11 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct fec_enet_private *fep = netdev_priv(ndev); const struct platform_device_id *id_entry = platform_get_device_id(fep->pdev); - struct bufdesc *bdp; + struct bufdesc *bdp, *bdp_pre; void *bufaddr; unsigned short status; unsigned int index; - if (!fep->link) { - /* Link is down or auto-negotiation is in progress. */ - return NETDEV_TX_BUSY; - } - /* Fill in a Tx ring entry */ bdp = fep->cur_tx; @@ -370,6 +379,15 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *ndev) ebdp->cbd_esc |= BD_ENET_TX_PINS; } } + + bdp_pre = fec_enet_get_prevdesc(bdp, fep->bufdesc_ex); + if ((id_entry->driver_data & FEC_QUIRK_ERR006358) && + !(bdp_pre->cbd_sc & BD_ENET_TX_READY)) { + fep->delay_work.trig_tx = true; + schedule_delayed_work(&(fep->delay_work.delay_work), + msecs_to_jiffies(1)); + } + /* If this was the last BD in the ring, start at the beginning again. */ if (status & BD_ENET_TX_WRAP) bdp = fep->tx_bd_base; @@ -689,6 +707,11 @@ static void fec_enet_work(struct work_struct *work) fec_restart(fep->netdev, fep->full_duplex); netif_wake_queue(fep->netdev); } + + if (fep->delay_work.trig_tx) { + fep->delay_work.trig_tx = false; + writel(0, fep->hwp + FEC_X_DES_ACTIVE); + } } static void @@ -2279,4 +2302,5 @@ static struct platform_driver fec_driver = { module_platform_driver(fec_driver); +MODULE_ALIAS("platform:"DRIVER_NAME); MODULE_LICENSE("GPL"); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 6a0c1b6..c1d72c0 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3739,9 +3739,8 @@ static void igb_set_rx_mode(struct net_device *netdev) rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE | E1000_RCTL_VFE); if (netdev->flags & IFF_PROMISC) { - u32 mrqc = rd32(E1000_MRQC); /* retain VLAN HW filtering if in VT mode */ - if (mrqc & E1000_MRQC_ENABLE_VMDQ) + if (adapter->vfs_allocated_count) rctl |= E1000_RCTL_VFE; rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE); vmolr |= (E1000_VMOLR_ROPE | E1000_VMOLR_MPME); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h index 7be725c..a6494e5 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h @@ -54,7 +54,7 @@ #include <net/busy_poll.h> -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL #define LL_EXTENDED_STATS #endif /* common prefix used by pr_<> macros */ @@ -366,7 +366,7 @@ struct ixgbe_q_vector { struct rcu_head rcu; /* to avoid race with update stats on free */ char name[IFNAMSIZ + 9]; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define IXGBE_QV_STATE_IDLE 0 #define IXGBE_QV_STATE_NAPI 1 /* NAPI owns this QV */ @@ -377,12 +377,12 @@ struct ixgbe_q_vector { #define IXGBE_QV_YIELD (IXGBE_QV_STATE_NAPI_YIELD | IXGBE_QV_STATE_POLL_YIELD) #define IXGBE_QV_USER_PEND (IXGBE_QV_STATE_POLL | IXGBE_QV_STATE_POLL_YIELD) spinlock_t lock; -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ /* for dynamic allocation of rings associated with this q_vector */ struct ixgbe_ring ring[0] ____cacheline_internodealigned_in_smp; }; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void ixgbe_qv_init_lock(struct ixgbe_q_vector *q_vector) { @@ -462,7 +462,7 @@ static inline bool ixgbe_qv_ll_polling(struct ixgbe_q_vector *q_vector) WARN_ON(!(q_vector->state & IXGBE_QV_LOCKED)); return q_vector->state & IXGBE_QV_USER_PEND; } -#else /* CONFIG_NET_LL_RX_POLL */ +#else /* CONFIG_NET_RX_BUSY_POLL */ static inline void ixgbe_qv_init_lock(struct ixgbe_q_vector *q_vector) { } @@ -491,7 +491,7 @@ static inline bool ixgbe_qv_ll_polling(struct ixgbe_q_vector *q_vector) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #ifdef CONFIG_IXGBE_HWMON diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c index ac78077..7a77f37 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c @@ -108,9 +108,8 @@ s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw, /* Enable arbiter */ reg &= ~IXGBE_DPMCS_ARBDIS; - /* Enable DFP and Recycle mode */ - reg |= (IXGBE_DPMCS_TDPAC | IXGBE_DPMCS_TRM); reg |= IXGBE_DPMCS_TSOEF; + /* Configure Max TSO packet size 34KB including payload and headers */ reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index bad8f14..be4b1fb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1998,7 +1998,7 @@ static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, return total_rx_packets; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ static int ixgbe_low_latency_recv(struct napi_struct *napi) { @@ -2030,7 +2030,7 @@ static int ixgbe_low_latency_recv(struct napi_struct *napi) return found; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ /** * ixgbe_configure_msix - Configure MSI-X hardware @@ -7227,7 +7227,7 @@ static const struct net_device_ops ixgbe_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ixgbe_netpoll, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = ixgbe_low_latency_recv, #endif #ifdef IXGBE_FCOE diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 712779f..b017818 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -88,6 +88,8 @@ #define MVNETA_TX_IN_PRGRS BIT(1) #define MVNETA_TX_FIFO_EMPTY BIT(8) #define MVNETA_RX_MIN_FRAME_SIZE 0x247c +#define MVNETA_SGMII_SERDES_CFG 0x24A0 +#define MVNETA_SGMII_SERDES_PROTO 0x0cc7 #define MVNETA_TYPE_PRIO 0x24bc #define MVNETA_FORCE_UNI BIT(21) #define MVNETA_TXQ_CMD_1 0x24e4 @@ -655,6 +657,8 @@ static void mvneta_port_sgmii_config(struct mvneta_port *pp) val = mvreg_read(pp, MVNETA_GMAC_CTRL_2); val |= MVNETA_GMAC2_PSC_ENABLE; mvreg_write(pp, MVNETA_GMAC_CTRL_2, val); + + mvreg_write(pp, MVNETA_SGMII_SERDES_CFG, MVNETA_SGMII_SERDES_PROTO); } /* Start the Ethernet port RX and TX activity */ @@ -2728,28 +2732,24 @@ static int mvneta_probe(struct platform_device *pdev) pp = netdev_priv(dev); - pp->tx_done_timer.function = mvneta_tx_done_timer_callback; - init_timer(&pp->tx_done_timer); - clear_bit(MVNETA_F_TX_DONE_TIMER_BIT, &pp->flags); - pp->weight = MVNETA_RX_POLL_WEIGHT; pp->phy_node = phy_node; pp->phy_interface = phy_mode; - pp->base = of_iomap(dn, 0); - if (pp->base == NULL) { - err = -ENOMEM; - goto err_free_irq; - } - pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); - goto err_unmap; + goto err_free_irq; } clk_prepare_enable(pp->clk); + pp->base = of_iomap(dn, 0); + if (pp->base == NULL) { + err = -ENOMEM; + goto err_clk; + } + dt_mac_addr = of_get_mac_address(dn); if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) { mac_from = "device tree"; @@ -2766,6 +2766,9 @@ static int mvneta_probe(struct platform_device *pdev) } pp->tx_done_timer.data = (unsigned long)dev; + pp->tx_done_timer.function = mvneta_tx_done_timer_callback; + init_timer(&pp->tx_done_timer); + clear_bit(MVNETA_F_TX_DONE_TIMER_BIT, &pp->flags); pp->tx_ring_size = MVNETA_MAX_TXD; pp->rx_ring_size = MVNETA_MAX_RXD; @@ -2776,7 +2779,7 @@ static int mvneta_probe(struct platform_device *pdev) err = mvneta_init(pp, phy_addr); if (err < 0) { dev_err(&pdev->dev, "can't init eth hal\n"); - goto err_clk; + goto err_unmap; } mvneta_port_power_up(pp, phy_mode); @@ -2806,10 +2809,10 @@ static int mvneta_probe(struct platform_device *pdev) err_deinit: mvneta_deinit(pp); -err_clk: - clk_disable_unprepare(pp->clk); err_unmap: iounmap(pp->base); +err_clk: + clk_disable_unprepare(pp->clk); err_free_irq: irq_dispose_mapping(dev->irq); err_free_netdev: diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index c896079..ef94a59 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -931,17 +931,20 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base) } /* Allocate and setup a new buffer for receiving */ -static void skge_rx_setup(struct skge_port *skge, struct skge_element *e, - struct sk_buff *skb, unsigned int bufsize) +static int skge_rx_setup(struct skge_port *skge, struct skge_element *e, + struct sk_buff *skb, unsigned int bufsize) { struct skge_rx_desc *rd = e->desc; - u64 map; + dma_addr_t map; map = pci_map_single(skge->hw->pdev, skb->data, bufsize, PCI_DMA_FROMDEVICE); - rd->dma_lo = map; - rd->dma_hi = map >> 32; + if (pci_dma_mapping_error(skge->hw->pdev, map)) + return -1; + + rd->dma_lo = lower_32_bits(map); + rd->dma_hi = upper_32_bits(map); e->skb = skb; rd->csum1_start = ETH_HLEN; rd->csum2_start = ETH_HLEN; @@ -953,6 +956,7 @@ static void skge_rx_setup(struct skge_port *skge, struct skge_element *e, rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize; dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, bufsize); + return 0; } /* Resume receiving using existing skb, @@ -1014,7 +1018,10 @@ static int skge_rx_fill(struct net_device *dev) return -ENOMEM; skb_reserve(skb, NET_IP_ALIGN); - skge_rx_setup(skge, e, skb, skge->rx_buf_size); + if (skge_rx_setup(skge, e, skb, skge->rx_buf_size) < 0) { + dev_kfree_skb(skb); + return -EIO; + } } while ((e = e->next) != ring->start); ring->to_clean = ring->start; @@ -2544,7 +2551,7 @@ static int skge_up(struct net_device *dev) BUG_ON(skge->dma & 7); - if ((u64)skge->dma >> 32 != ((u64) skge->dma + skge->mem_size) >> 32) { + if (upper_32_bits(skge->dma) != upper_32_bits(skge->dma + skge->mem_size)) { dev_err(&hw->pdev->dev, "pci_alloc_consistent region crosses 4G boundary\n"); err = -EINVAL; goto free_pci_mem; @@ -2729,7 +2736,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, struct skge_tx_desc *td; int i; u32 control, len; - u64 map; + dma_addr_t map; if (skb_padto(skb, ETH_ZLEN)) return NETDEV_TX_OK; @@ -2743,11 +2750,14 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, e->skb = skb; len = skb_headlen(skb); map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(hw->pdev, map)) + goto mapping_error; + dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, len); - td->dma_lo = map; - td->dma_hi = map >> 32; + td->dma_lo = lower_32_bits(map); + td->dma_hi = upper_32_bits(map); if (skb->ip_summed == CHECKSUM_PARTIAL) { const int offset = skb_checksum_start_offset(skb); @@ -2778,14 +2788,16 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, map = skb_frag_dma_map(&hw->pdev->dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); + if (dma_mapping_error(&hw->pdev->dev, map)) + goto mapping_unwind; e = e->next; e->skb = skb; tf = e->desc; BUG_ON(tf->control & BMU_OWN); - tf->dma_lo = map; - tf->dma_hi = (u64) map >> 32; + tf->dma_lo = lower_32_bits(map); + tf->dma_hi = upper_32_bits(map); dma_unmap_addr_set(e, mapaddr, map); dma_unmap_len_set(e, maplen, skb_frag_size(frag)); @@ -2815,6 +2827,26 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb, } return NETDEV_TX_OK; + +mapping_unwind: + e = skge->tx_ring.to_use; + pci_unmap_single(hw->pdev, + dma_unmap_addr(e, mapaddr), + dma_unmap_len(e, maplen), + PCI_DMA_TODEVICE); + while (i-- > 0) { + e = e->next; + pci_unmap_page(hw->pdev, + dma_unmap_addr(e, mapaddr), + dma_unmap_len(e, maplen), + PCI_DMA_TODEVICE); + } + +mapping_error: + if (net_ratelimit()) + dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name); + dev_kfree_skb(skb); + return NETDEV_TX_OK; } @@ -3045,11 +3077,13 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, pci_dma_sync_single_for_cpu(skge->hw->pdev, dma_unmap_addr(e, mapaddr), - len, PCI_DMA_FROMDEVICE); + dma_unmap_len(e, maplen), + PCI_DMA_FROMDEVICE); skb_copy_from_linear_data(e->skb, skb->data, len); pci_dma_sync_single_for_device(skge->hw->pdev, dma_unmap_addr(e, mapaddr), - len, PCI_DMA_FROMDEVICE); + dma_unmap_len(e, maplen), + PCI_DMA_FROMDEVICE); skge_rx_reuse(e, skge->rx_buf_size); } else { struct sk_buff *nskb; @@ -3058,13 +3092,17 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, if (!nskb) goto resubmit; + if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) { + dev_kfree_skb(nskb); + goto resubmit; + } + pci_unmap_single(skge->hw->pdev, dma_unmap_addr(e, mapaddr), dma_unmap_len(e, maplen), PCI_DMA_FROMDEVICE); skb = e->skb; prefetch(skb->data); - skge_rx_setup(skge, e, nskb, skge->rx_buf_size); } skb_put(skb, len); diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index 727874f..a28cd80 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -223,7 +223,7 @@ static int mlx4_en_get_sset_count(struct net_device *dev, int sset) case ETH_SS_STATS: return (priv->stats_bitmap ? bit_count : NUM_ALL_STATS) + (priv->tx_ring_num * 2) + -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL (priv->rx_ring_num * 5); #else (priv->rx_ring_num * 2); @@ -276,7 +276,7 @@ static void mlx4_en_get_ethtool_stats(struct net_device *dev, for (i = 0; i < priv->rx_ring_num; i++) { data[index++] = priv->rx_ring[i].packets; data[index++] = priv->rx_ring[i].bytes; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL data[index++] = priv->rx_ring[i].yields; data[index++] = priv->rx_ring[i].misses; data[index++] = priv->rx_ring[i].cleaned; @@ -344,7 +344,7 @@ static void mlx4_en_get_strings(struct net_device *dev, "rx%d_packets", i); sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_bytes", i); -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL sprintf(data + (index++) * ETH_GSTRING_LEN, "rx%d_napi_yield", i); sprintf(data + (index++) * ETH_GSTRING_LEN, diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 5eac871..fa37b7a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -68,7 +68,7 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up) return 0; } -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL /* must be called with local_bh_disable()d */ static int mlx4_en_low_latency_recv(struct napi_struct *napi) { @@ -94,7 +94,7 @@ static int mlx4_en_low_latency_recv(struct napi_struct *napi) return done; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #ifdef CONFIG_RFS_ACCEL @@ -2140,7 +2140,7 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = mlx4_en_low_latency_recv, #endif }; diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 8873d68..6fc6dab 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -845,16 +845,7 @@ int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, MLX4_CMD_NATIVE); if (!err && dev->caps.function != slave) { - /* if config MAC in DB use it */ - if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac) - def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; - else { - /* set slave default_mac address */ - MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); - def_mac += slave << 8; - priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_mac; - } - + def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); /* get port type - currently only eth is enabled */ diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index e85af92..36be320 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -371,7 +371,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.sqp_demux = (mlx4_is_master(dev)) ? MLX4_MAX_NUM_SLAVES : 0; - if (!enable_64b_cqe_eqe) { + if (!enable_64b_cqe_eqe && !mlx4_is_slave(dev)) { if (dev_cap->flags & (MLX4_DEV_CAP_FLAG_64B_CQE | MLX4_DEV_CAP_FLAG_64B_EQE)) { mlx4_warn(dev, "64B EQEs/CQEs supported by the device but not enabled\n"); diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 35fb60e..5e0aa56 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -292,7 +292,7 @@ struct mlx4_en_rx_ring { void *rx_info; unsigned long bytes; unsigned long packets; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned long yields; unsigned long misses; unsigned long cleaned; @@ -318,7 +318,7 @@ struct mlx4_en_cq { struct mlx4_cqe *buf; #define MLX4_EN_OPCODE_ERROR 0x1e -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL unsigned int state; #define MLX4_EN_CQ_STATE_IDLE 0 #define MLX4_EN_CQ_STATE_NAPI 1 /* NAPI owns this CQ */ @@ -329,7 +329,7 @@ struct mlx4_en_cq { #define CQ_YIELD (MLX4_EN_CQ_STATE_NAPI_YIELD | MLX4_EN_CQ_STATE_POLL_YIELD) #define CQ_USER_PEND (MLX4_EN_CQ_STATE_POLL | MLX4_EN_CQ_STATE_POLL_YIELD) spinlock_t poll_lock; /* protects from LLS/napi conflicts */ -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ }; struct mlx4_en_port_profile { @@ -580,7 +580,7 @@ struct mlx4_mac_entry { struct rcu_head rcu; }; -#ifdef CONFIG_NET_LL_RX_POLL +#ifdef CONFIG_NET_RX_BUSY_POLL static inline void mlx4_en_cq_init_lock(struct mlx4_en_cq *cq) { spin_lock_init(&cq->poll_lock); @@ -687,7 +687,7 @@ static inline bool mlx4_en_cq_ll_polling(struct mlx4_en_cq *cq) { return false; } -#endif /* CONFIG_NET_LL_RX_POLL */ +#endif /* CONFIG_NET_RX_BUSY_POLL */ #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 205753a..5472cbd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -46,7 +46,7 @@ #include "mlx5_core.h" enum { - CMD_IF_REV = 3, + CMD_IF_REV = 5, }; enum { @@ -282,6 +282,12 @@ const char *mlx5_command_str(int command) case MLX5_CMD_OP_TEARDOWN_HCA: return "TEARDOWN_HCA"; + case MLX5_CMD_OP_ENABLE_HCA: + return "MLX5_CMD_OP_ENABLE_HCA"; + + case MLX5_CMD_OP_DISABLE_HCA: + return "MLX5_CMD_OP_DISABLE_HCA"; + case MLX5_CMD_OP_QUERY_PAGES: return "QUERY_PAGES"; @@ -1113,7 +1119,13 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector) for (i = 0; i < (1 << cmd->log_sz); i++) { if (test_bit(i, &vector)) { + struct semaphore *sem; + ent = cmd->ent_arr[i]; + if (ent->page_queue) + sem = &cmd->pages_sem; + else + sem = &cmd->sem; ktime_get_ts(&ent->ts2); memcpy(ent->out->first.data, ent->lay->out, sizeof(ent->lay->out)); dump_command(dev, ent, 0); @@ -1136,10 +1148,7 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector) } else { complete(&ent->done); } - if (ent->page_queue) - up(&cmd->pages_sem); - else - up(&cmd->sem); + up(sem); } } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c index 4273c06..9c7194b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/debugfs.c @@ -156,7 +156,7 @@ static ssize_t average_read(struct file *filp, char __user *buf, size_t count, stats = filp->private_data; spin_lock(&stats->lock); if (stats->n) - field = stats->sum / stats->n; + field = div64_u64(stats->sum, stats->n); spin_unlock(&stats->lock); ret = snprintf(tbuf, sizeof(tbuf), "%llu\n", field); if (ret > 0) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index c02cbcf..443cc4d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -268,7 +268,7 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq) case MLX5_EVENT_TYPE_PAGE_REQUEST: { u16 func_id = be16_to_cpu(eqe->data.req_pages.func_id); - s16 npages = be16_to_cpu(eqe->data.req_pages.num_pages); + s32 npages = be32_to_cpu(eqe->data.req_pages.num_pages); mlx5_core_dbg(dev, "page request for func 0x%x, napges %d\n", func_id, npages); mlx5_core_req_pages_handler(dev, func_id, npages); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c index 72a5222..f012658 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c @@ -113,7 +113,7 @@ int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev, caps->log_max_srq = out->hca_cap.log_max_srqs & 0x1f; caps->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f; caps->log_max_mcg = out->hca_cap.log_max_mcg; - caps->max_qp_mcg = be16_to_cpu(out->hca_cap.max_qp_mcg); + caps->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff; caps->max_ra_res_qp = 1 << (out->hca_cap.log_max_ra_res_qp & 0x3f); caps->max_ra_req_qp = 1 << (out->hca_cap.log_max_ra_req_qp & 0x3f); caps->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 748f10a..3e6670c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -55,33 +55,9 @@ enum { }; static DEFINE_SPINLOCK(health_lock); - static LIST_HEAD(health_list); static struct work_struct health_work; -static health_handler_t reg_handler; -int mlx5_register_health_report_handler(health_handler_t handler) -{ - spin_lock_irq(&health_lock); - if (reg_handler) { - spin_unlock_irq(&health_lock); - return -EEXIST; - } - reg_handler = handler; - spin_unlock_irq(&health_lock); - - return 0; -} -EXPORT_SYMBOL(mlx5_register_health_report_handler); - -void mlx5_unregister_health_report_handler(void) -{ - spin_lock_irq(&health_lock); - reg_handler = NULL; - spin_unlock_irq(&health_lock); -} -EXPORT_SYMBOL(mlx5_unregister_health_report_handler); - static void health_care(struct work_struct *work) { struct mlx5_core_health *health, *n; @@ -98,11 +74,8 @@ static void health_care(struct work_struct *work) priv = container_of(health, struct mlx5_priv, health); dev = container_of(priv, struct mlx5_core_dev, priv); mlx5_core_warn(dev, "handling bad device here\n"); + /* nothing yet */ spin_lock_irq(&health_lock); - if (reg_handler) - reg_handler(dev->pdev, health->health, - sizeof(health->health)); - list_del_init(&health->list); spin_unlock_irq(&health_lock); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 12242de..b47739b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -249,6 +249,44 @@ static int set_hca_ctrl(struct mlx5_core_dev *dev) return err; } +static int mlx5_core_enable_hca(struct mlx5_core_dev *dev) +{ + int err; + struct mlx5_enable_hca_mbox_in in; + struct mlx5_enable_hca_mbox_out out; + + memset(&in, 0, sizeof(in)); + memset(&out, 0, sizeof(out)); + in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA); + err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); + if (err) + return err; + + if (out.hdr.status) + return mlx5_cmd_status_to_err(&out.hdr); + + return 0; +} + +static int mlx5_core_disable_hca(struct mlx5_core_dev *dev) +{ + int err; + struct mlx5_disable_hca_mbox_in in; + struct mlx5_disable_hca_mbox_out out; + + memset(&in, 0, sizeof(in)); + memset(&out, 0, sizeof(out)); + in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA); + err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); + if (err) + return err; + + if (out.hdr.status) + return mlx5_cmd_status_to_err(&out.hdr); + + return 0; +} + int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) { struct mlx5_priv *priv = &dev->priv; @@ -304,28 +342,41 @@ int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) } mlx5_pagealloc_init(dev); + + err = mlx5_core_enable_hca(dev); + if (err) { + dev_err(&pdev->dev, "enable hca failed\n"); + goto err_pagealloc_cleanup; + } + + err = mlx5_satisfy_startup_pages(dev, 1); + if (err) { + dev_err(&pdev->dev, "failed to allocate boot pages\n"); + goto err_disable_hca; + } + err = set_hca_ctrl(dev); if (err) { dev_err(&pdev->dev, "set_hca_ctrl failed\n"); - goto err_pagealloc_cleanup; + goto reclaim_boot_pages; } err = handle_hca_cap(dev); if (err) { dev_err(&pdev->dev, "handle_hca_cap failed\n"); - goto err_pagealloc_cleanup; + goto reclaim_boot_pages; } - err = mlx5_satisfy_startup_pages(dev); + err = mlx5_satisfy_startup_pages(dev, 0); if (err) { - dev_err(&pdev->dev, "failed to allocate startup pages\n"); - goto err_pagealloc_cleanup; + dev_err(&pdev->dev, "failed to allocate init pages\n"); + goto reclaim_boot_pages; } err = mlx5_pagealloc_start(dev); if (err) { dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); - goto err_reclaim_pages; + goto reclaim_boot_pages; } err = mlx5_cmd_init_hca(dev); @@ -396,9 +447,12 @@ err_stop_poll: err_pagealloc_stop: mlx5_pagealloc_stop(dev); -err_reclaim_pages: +reclaim_boot_pages: mlx5_reclaim_startup_pages(dev); +err_disable_hca: + mlx5_core_disable_hca(dev); + err_pagealloc_cleanup: mlx5_pagealloc_cleanup(dev); mlx5_cmd_cleanup(dev); @@ -434,6 +488,7 @@ void mlx5_dev_cleanup(struct mlx5_core_dev *dev) mlx5_cmd_teardown_hca(dev); mlx5_pagealloc_stop(dev); mlx5_reclaim_startup_pages(dev); + mlx5_core_disable_hca(dev); mlx5_pagealloc_cleanup(dev); mlx5_cmd_cleanup(dev); iounmap(dev->iseg); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c index f0bf463..3a2408d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c @@ -43,10 +43,16 @@ enum { MLX5_PAGES_TAKE = 2 }; +enum { + MLX5_BOOT_PAGES = 1, + MLX5_INIT_PAGES = 2, + MLX5_POST_INIT_PAGES = 3 +}; + struct mlx5_pages_req { struct mlx5_core_dev *dev; u32 func_id; - s16 npages; + s32 npages; struct work_struct work; }; @@ -64,27 +70,23 @@ struct mlx5_query_pages_inbox { struct mlx5_query_pages_outbox { struct mlx5_outbox_hdr hdr; - u8 reserved[2]; + __be16 rsvd; __be16 func_id; - __be16 init_pages; - __be16 num_pages; + __be32 num_pages; }; struct mlx5_manage_pages_inbox { struct mlx5_inbox_hdr hdr; - __be16 rsvd0; + __be16 rsvd; __be16 func_id; - __be16 rsvd1; - __be16 num_entries; - u8 rsvd2[16]; + __be32 num_entries; __be64 pas[0]; }; struct mlx5_manage_pages_outbox { struct mlx5_outbox_hdr hdr; - u8 rsvd0[2]; - __be16 num_entries; - u8 rsvd1[20]; + __be32 num_entries; + u8 rsvd[4]; __be64 pas[0]; }; @@ -146,7 +148,7 @@ static struct page *remove_page(struct mlx5_core_dev *dev, u64 addr) } static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id, - s16 *pages, s16 *init_pages) + s32 *npages, int boot) { struct mlx5_query_pages_inbox in; struct mlx5_query_pages_outbox out; @@ -155,6 +157,8 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id, memset(&in, 0, sizeof(in)); memset(&out, 0, sizeof(out)); in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_PAGES); + in.hdr.opmod = boot ? cpu_to_be16(MLX5_BOOT_PAGES) : cpu_to_be16(MLX5_INIT_PAGES); + err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); if (err) return err; @@ -162,10 +166,7 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id, if (out.hdr.status) return mlx5_cmd_status_to_err(&out.hdr); - if (pages) - *pages = be16_to_cpu(out.num_pages); - if (init_pages) - *init_pages = be16_to_cpu(out.init_pages); + *npages = be32_to_cpu(out.num_pages); *func_id = be16_to_cpu(out.func_id); return err; @@ -219,7 +220,7 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages, in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES); in->hdr.opmod = cpu_to_be16(MLX5_PAGES_GIVE); in->func_id = cpu_to_be16(func_id); - in->num_entries = cpu_to_be16(npages); + in->num_entries = cpu_to_be32(npages); err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out)); mlx5_core_dbg(dev, "err %d\n", err); if (err) { @@ -287,7 +288,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages, in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES); in.hdr.opmod = cpu_to_be16(MLX5_PAGES_TAKE); in.func_id = cpu_to_be16(func_id); - in.num_entries = cpu_to_be16(npages); + in.num_entries = cpu_to_be32(npages); mlx5_core_dbg(dev, "npages %d, outlen %d\n", npages, outlen); err = mlx5_cmd_exec(dev, &in, sizeof(in), out, outlen); if (err) { @@ -301,7 +302,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages, goto out_free; } - num_claimed = be16_to_cpu(out->num_entries); + num_claimed = be32_to_cpu(out->num_entries); if (nclaimed) *nclaimed = num_claimed; @@ -340,7 +341,7 @@ static void pages_work_handler(struct work_struct *work) } void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, - s16 npages) + s32 npages) { struct mlx5_pages_req *req; @@ -357,19 +358,20 @@ void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, queue_work(dev->priv.pg_wq, &req->work); } -int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev) +int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot) { - s16 uninitialized_var(init_pages); u16 uninitialized_var(func_id); + s32 uninitialized_var(npages); int err; - err = mlx5_cmd_query_pages(dev, &func_id, NULL, &init_pages); + err = mlx5_cmd_query_pages(dev, &func_id, &npages, boot); if (err) return err; - mlx5_core_dbg(dev, "requested %d init pages for func_id 0x%x\n", init_pages, func_id); + mlx5_core_dbg(dev, "requested %d %s pages for func_id 0x%x\n", + npages, boot ? "boot" : "init", func_id); - return give_pages(dev, func_id, init_pages, 0); + return give_pages(dev, func_id, npages, 0); } static int optimal_reclaimed_pages(void) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c index 71d4a39..68f5d9c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c @@ -164,6 +164,7 @@ int mlx5_alloc_uuars(struct mlx5_core_dev *dev, struct mlx5_uuar_info *uuari) uuari->uars[i].map = ioremap(addr, PAGE_SIZE); if (!uuari->uars[i].map) { mlx5_cmd_free_uar(dev, uuari->uars[i].index); + err = -ENOMEM; goto out_count; } mlx5_core_dbg(dev, "allocated uar index 0x%x, mmaped at %p\n", diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig index cb22341..a588ffd 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig +++ b/drivers/net/ethernet/oki-semi/pch_gbe/Kconfig @@ -4,7 +4,7 @@ config PCH_GBE tristate "OKI SEMICONDUCTOR IOH(ML7223/ML7831) GbE" - depends on PCI + depends on PCI && (X86 || COMPILE_TEST) select MII select PTP_1588_CLOCK_PCH ---help--- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index b00cf56..221645e 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -1400,8 +1400,8 @@ void qlcnic_pci_camqm_write_2M(struct qlcnic_adapter *, u64, u64); #define ADDR_IN_RANGE(addr, low, high) \ (((addr) < (high)) && ((addr) >= (low))) -#define QLCRD32(adapter, off) \ - (adapter->ahw->hw_ops->read_reg)(adapter, off) +#define QLCRD32(adapter, off, err) \ + (adapter->ahw->hw_ops->read_reg)(adapter, off, err) #define QLCWR32(adapter, off, val) \ adapter->ahw->hw_ops->write_reg(adapter, off, val) @@ -1604,7 +1604,7 @@ struct qlcnic_nic_template { struct qlcnic_hardware_ops { void (*read_crb) (struct qlcnic_adapter *, char *, loff_t, size_t); void (*write_crb) (struct qlcnic_adapter *, char *, loff_t, size_t); - int (*read_reg) (struct qlcnic_adapter *, ulong); + int (*read_reg) (struct qlcnic_adapter *, ulong, int *); int (*write_reg) (struct qlcnic_adapter *, ulong, u32); void (*get_ocm_win) (struct qlcnic_hardware_context *); int (*get_mac_address) (struct qlcnic_adapter *, u8 *); @@ -1662,12 +1662,6 @@ static inline void qlcnic_write_crb(struct qlcnic_adapter *adapter, char *buf, adapter->ahw->hw_ops->write_crb(adapter, buf, offset, size); } -static inline int qlcnic_hw_read_wx_2M(struct qlcnic_adapter *adapter, - ulong off) -{ - return adapter->ahw->hw_ops->read_reg(adapter, off); -} - static inline int qlcnic_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, u32 data) { @@ -1869,7 +1863,8 @@ static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) static inline void qlcnic_set_mac_filter_count(struct qlcnic_adapter *adapter) { - adapter->ahw->hw_ops->set_mac_filter_count(adapter); + if (adapter->ahw->hw_ops->set_mac_filter_count) + adapter->ahw->hw_ops->set_mac_filter_count(adapter); } static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 0913c62..9d4bb7f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -228,17 +228,17 @@ static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr) return 0; } -int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr) +int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, + int *err) { - int ret; struct qlcnic_hardware_context *ahw = adapter->ahw; - ret = __qlcnic_set_win_base(adapter, (u32) addr); - if (!ret) { + *err = __qlcnic_set_win_base(adapter, (u32) addr); + if (!*err) { return QLCRDX(ahw, QLCNIC_WILDCARD); } else { dev_err(&adapter->pdev->dev, - "%s failed, addr = 0x%x\n", __func__, (int)addr); + "%s failed, addr = 0x%lx\n", __func__, addr); return -EIO; } } @@ -561,7 +561,7 @@ void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter) void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, loff_t offset, size_t size) { - int ret; + int ret = 0; u32 data; if (qlcnic_api_lock(adapter)) { @@ -571,7 +571,7 @@ void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, return; } - ret = qlcnic_83xx_rd_reg_indirect(adapter, (u32) offset); + data = QLCRD32(adapter, (u32) offset, &ret); qlcnic_api_unlock(adapter); if (ret == -EIO) { @@ -580,7 +580,6 @@ void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, __func__, (u32)offset); return; } - data = ret; memcpy(buf, &data, size); } @@ -2075,18 +2074,25 @@ void qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter) static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, u32 data[]) { + struct qlcnic_hardware_context *ahw = adapter->ahw; u8 link_status, duplex; /* link speed */ link_status = LSB(data[3]) & 1; - adapter->ahw->link_speed = MSW(data[2]); - adapter->ahw->link_autoneg = MSB(MSW(data[3])); - adapter->ahw->module_type = MSB(LSW(data[3])); - duplex = LSB(MSW(data[3])); - if (duplex) - adapter->ahw->link_duplex = DUPLEX_FULL; - else - adapter->ahw->link_duplex = DUPLEX_HALF; - adapter->ahw->has_link_events = 1; + if (link_status) { + ahw->link_speed = MSW(data[2]); + duplex = LSB(MSW(data[3])); + if (duplex) + ahw->link_duplex = DUPLEX_FULL; + else + ahw->link_duplex = DUPLEX_HALF; + } else { + ahw->link_speed = SPEED_UNKNOWN; + ahw->link_duplex = DUPLEX_UNKNOWN; + } + + ahw->link_autoneg = MSB(MSW(data[3])); + ahw->module_type = MSB(LSW(data[3])); + ahw->has_link_events = 1; qlcnic_advert_link_change(adapter, link_status); } @@ -2384,9 +2390,9 @@ int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, u8 *p_data, int count) { - int i, ret; - u32 word, range, flash_offset, addr = flash_addr; + u32 word, range, flash_offset, addr = flash_addr, ret; ulong indirect_add, direct_window; + int i, err = 0; flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1); if (addr & 0x3) { @@ -2404,10 +2410,9 @@ int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, /* Multi sector read */ for (i = 0; i < count; i++) { indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); - ret = qlcnic_83xx_rd_reg_indirect(adapter, - indirect_add); - if (ret == -EIO) - return -EIO; + ret = QLCRD32(adapter, indirect_add, &err); + if (err == -EIO) + return err; word = ret; *(u32 *)p_data = word; @@ -2428,10 +2433,9 @@ int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, /* Single sector read */ for (i = 0; i < count; i++) { indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); - ret = qlcnic_83xx_rd_reg_indirect(adapter, - indirect_add); - if (ret == -EIO) - return -EIO; + ret = QLCRD32(adapter, indirect_add, &err); + if (err == -EIO) + return err; word = ret; *(u32 *)p_data = word; @@ -2447,10 +2451,13 @@ static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter) { u32 status; int retries = QLC_83XX_FLASH_READ_RETRY_COUNT; + int err = 0; do { - status = qlcnic_83xx_rd_reg_indirect(adapter, - QLC_83XX_FLASH_STATUS); + status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err); + if (err == -EIO) + return err; + if ((status & QLC_83XX_FLASH_STATUS_READY) == QLC_83XX_FLASH_STATUS_READY) break; @@ -2502,7 +2509,8 @@ int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter) int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) { - int ret, mfg_id; + int ret, err = 0; + u32 mfg_id; if (qlcnic_83xx_lock_flash(adapter)) return -EIO; @@ -2517,9 +2525,11 @@ int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) return -EIO; } - mfg_id = qlcnic_83xx_rd_reg_indirect(adapter, QLC_83XX_FLASH_RDDATA); - if (mfg_id == -EIO) - return -EIO; + mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); + if (err == -EIO) { + qlcnic_83xx_unlock_flash(adapter); + return err; + } adapter->flash_mfg_id = (mfg_id & 0xFF); qlcnic_83xx_unlock_flash(adapter); @@ -2636,7 +2646,7 @@ int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, u32 *p_data, int count) { u32 temp; - int ret = -EIO; + int ret = -EIO, err = 0; if ((count < QLC_83XX_FLASH_WRITE_MIN) || (count > QLC_83XX_FLASH_WRITE_MAX)) { @@ -2645,8 +2655,10 @@ int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, return -EIO; } - temp = qlcnic_83xx_rd_reg_indirect(adapter, - QLC_83XX_FLASH_SPI_CONTROL); + temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); + if (err == -EIO) + return err; + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, (temp | QLC_83XX_FLASH_SPI_CTRL)); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, @@ -2695,13 +2707,18 @@ int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, return -EIO; } - ret = qlcnic_83xx_rd_reg_indirect(adapter, QLC_83XX_FLASH_SPI_STATUS); + ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err); + if (err == -EIO) + return err; + if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); /* Operation failed, clear error bit */ - temp = qlcnic_83xx_rd_reg_indirect(adapter, - QLC_83XX_FLASH_SPI_CONTROL); + temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); + if (err == -EIO) + return err; + qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, (temp | QLC_83XX_FLASH_SPI_CTRL)); @@ -2823,6 +2840,7 @@ int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, { int i, j, ret = 0; u32 temp; + int err = 0; /* Check alignment */ if (addr & 0xF) @@ -2855,8 +2873,12 @@ int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, QLCNIC_TA_WRITE_START); for (j = 0; j < MAX_CTL_CHECK; j++) { - temp = qlcnic_83xx_rd_reg_indirect(adapter, - QLCNIC_MS_CTRL); + temp = QLCRD32(adapter, QLCNIC_MS_CTRL, &err); + if (err == -EIO) { + mutex_unlock(&adapter->ahw->mem_lock); + return err; + } + if ((temp & TA_CTL_BUSY) == 0) break; } @@ -2878,9 +2900,9 @@ int qlcnic_83xx_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, u8 *p_data, int count) { - int i, ret; - u32 word, addr = flash_addr; + u32 word, addr = flash_addr, ret; ulong indirect_addr; + int i, err = 0; if (qlcnic_83xx_lock_flash(adapter) != 0) return -EIO; @@ -2900,10 +2922,10 @@ int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, } indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr); - ret = qlcnic_83xx_rd_reg_indirect(adapter, - indirect_addr); - if (ret == -EIO) - return -EIO; + ret = QLCRD32(adapter, indirect_addr, &err); + if (err == -EIO) + return err; + word = ret; *(u32 *)p_data = word; p_data = p_data + 4; @@ -3014,8 +3036,8 @@ int qlcnic_83xx_get_settings(struct qlcnic_adapter *adapter, } if (ahw->port_type == QLCNIC_XGBE) { - ecmd->supported = SUPPORTED_1000baseT_Full; - ecmd->advertising = ADVERTISED_1000baseT_Full; + ecmd->supported = SUPPORTED_10000baseT_Full; + ecmd->advertising = ADVERTISED_10000baseT_Full; } else { ecmd->supported = (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | @@ -3244,6 +3266,11 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev) u8 val; int ret, max_sds_rings = adapter->max_sds_rings; + if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { + netdev_info(netdev, "Device is resetting\n"); + return -EBUSY; + } + if (qlcnic_get_diag_lock(adapter)) { netdev_info(netdev, "Device in diagnostics mode\n"); return -EBUSY; @@ -3369,7 +3396,8 @@ int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter, static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) { - int ret; + int ret, err = 0; + u32 temp; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_OEM_READ_SIG); @@ -3379,8 +3407,11 @@ static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) if (ret) return -EIO; - ret = qlcnic_83xx_rd_reg_indirect(adapter, QLC_83XX_FLASH_RDDATA); - return ret & 0xFF; + temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); + if (err == -EIO) + return err; + + return temp & 0xFF; } int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h index 2548d14..272f56a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h @@ -508,7 +508,7 @@ void qlcnic_83xx_add_sysfs(struct qlcnic_adapter *); void qlcnic_83xx_remove_sysfs(struct qlcnic_adapter *); void qlcnic_83xx_write_crb(struct qlcnic_adapter *, char *, loff_t, size_t); void qlcnic_83xx_read_crb(struct qlcnic_adapter *, char *, loff_t, size_t); -int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *, ulong); +int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *, ulong, int *); int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *, ulong, u32); void qlcnic_83xx_process_rcv_diag(struct qlcnic_adapter *, int, u64 []); int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *, u32); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c index f41dfab..345d987 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c @@ -629,7 +629,8 @@ int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter) return -EIO; } - qlcnic_set_drv_version(adapter); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); qlcnic_83xx_idc_attach_driver(adapter); return 0; @@ -1303,8 +1304,11 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) { int i, j; u32 val = 0, val1 = 0, reg = 0; + int err = 0; - val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG); + val = QLCRD32(adapter, QLC_83XX_SRE_SHIM_REG, &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "SRE-Shim Ctrl:0x%x\n", val); for (j = 0; j < 2; j++) { @@ -1318,7 +1322,9 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) reg = QLC_83XX_PORT1_THRESHOLD; } for (i = 0; i < 8; i++) { - val = QLCRD32(adapter, reg + (i * 0x4)); + val = QLCRD32(adapter, reg + (i * 0x4), &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "0x%x ", val); } dev_info(&adapter->pdev->dev, "\n"); @@ -1335,8 +1341,10 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) reg = QLC_83XX_PORT1_TC_MC_REG; } for (i = 0; i < 4; i++) { - val = QLCRD32(adapter, reg + (i * 0x4)); - dev_info(&adapter->pdev->dev, "0x%x ", val); + val = QLCRD32(adapter, reg + (i * 0x4), &err); + if (err == -EIO) + return; + dev_info(&adapter->pdev->dev, "0x%x ", val); } dev_info(&adapter->pdev->dev, "\n"); } @@ -1352,17 +1360,25 @@ static void qlcnic_83xx_dump_pause_control_regs(struct qlcnic_adapter *adapter) reg = QLC_83XX_PORT1_TC_STATS; } for (i = 7; i >= 0; i--) { - val = QLCRD32(adapter, reg); + val = QLCRD32(adapter, reg, &err); + if (err == -EIO) + return; val &= ~(0x7 << 29); /* Reset bits 29 to 31 */ QLCWR32(adapter, reg, (val | (i << 29))); - val = QLCRD32(adapter, reg); + val = QLCRD32(adapter, reg, &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "0x%x ", val); } dev_info(&adapter->pdev->dev, "\n"); } - val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD); - val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD); + val = QLCRD32(adapter, QLC_83XX_PORT2_IFB_THRESHOLD, &err); + if (err == -EIO) + return; + val1 = QLCRD32(adapter, QLC_83XX_PORT3_IFB_THRESHOLD, &err); + if (err == -EIO) + return; dev_info(&adapter->pdev->dev, "IFB-Pause Thresholds: Port 2:0x%x, Port 3:0x%x\n", val, val1); @@ -1425,7 +1441,7 @@ static void qlcnic_83xx_take_eport_out_of_reset(struct qlcnic_adapter *adapter) static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) { u32 heartbeat, peg_status; - int retries, ret = -EIO; + int retries, ret = -EIO, err = 0; retries = QLCNIC_HEARTBEAT_CHECK_RETRY_COUNT; p_dev->heartbeat = QLC_SHARED_REG_RD32(p_dev, @@ -1453,11 +1469,11 @@ static int qlcnic_83xx_check_heartbeat(struct qlcnic_adapter *p_dev) "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n" "PEG_NET_4_PC: 0x%x\n", peg_status, QLC_SHARED_REG_RD32(p_dev, QLCNIC_PEG_HALT_STATUS2), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3), - QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4)); + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_0, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_1, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_2, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_3, &err), + QLCRD32(p_dev, QLC_83XX_CRB_PEG_NET_4, &err)); if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) dev_err(&p_dev->pdev->dev, @@ -1501,18 +1517,22 @@ int qlcnic_83xx_check_hw_status(struct qlcnic_adapter *p_dev) static int qlcnic_83xx_poll_reg(struct qlcnic_adapter *p_dev, u32 addr, int duration, u32 mask, u32 status) { + int timeout_error, err = 0; u32 value; - int timeout_error; u8 retries; - value = qlcnic_83xx_rd_reg_indirect(p_dev, addr); + value = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return err; retries = duration / 10; do { if ((value & mask) != status) { timeout_error = 1; msleep(duration / 10); - value = qlcnic_83xx_rd_reg_indirect(p_dev, addr); + value = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return err; } else { timeout_error = 0; break; @@ -1606,9 +1626,12 @@ int qlcnic_83xx_get_reset_instruction_template(struct qlcnic_adapter *p_dev) static void qlcnic_83xx_read_write_crb_reg(struct qlcnic_adapter *p_dev, u32 raddr, u32 waddr) { - int value; + int err = 0; + u32 value; - value = qlcnic_83xx_rd_reg_indirect(p_dev, raddr); + value = QLCRD32(p_dev, raddr, &err); + if (err == -EIO) + return; qlcnic_83xx_wrt_reg_indirect(p_dev, waddr, value); } @@ -1617,12 +1640,16 @@ static void qlcnic_83xx_rmw_crb_reg(struct qlcnic_adapter *p_dev, u32 raddr, u32 waddr, struct qlc_83xx_rmw *p_rmw_hdr) { - int value; + int err = 0; + u32 value; - if (p_rmw_hdr->index_a) + if (p_rmw_hdr->index_a) { value = p_dev->ahw->reset.array[p_rmw_hdr->index_a]; - else - value = qlcnic_83xx_rd_reg_indirect(p_dev, raddr); + } else { + value = QLCRD32(p_dev, raddr, &err); + if (err == -EIO) + return; + } value &= p_rmw_hdr->mask; value <<= p_rmw_hdr->shl; @@ -1675,7 +1702,7 @@ static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, long delay; struct qlc_83xx_entry *entry; struct qlc_83xx_poll *poll; - int i; + int i, err = 0; unsigned long arg1, arg2; poll = (struct qlc_83xx_poll *)((char *)p_hdr + @@ -1699,10 +1726,12 @@ static void qlcnic_83xx_poll_list(struct qlcnic_adapter *p_dev, arg1, delay, poll->mask, poll->status)){ - qlcnic_83xx_rd_reg_indirect(p_dev, - arg1); - qlcnic_83xx_rd_reg_indirect(p_dev, - arg2); + QLCRD32(p_dev, arg1, &err); + if (err == -EIO) + return; + QLCRD32(p_dev, arg2, &err); + if (err == -EIO) + return; } } } @@ -1768,7 +1797,7 @@ static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, struct qlc_83xx_entry_hdr *p_hdr) { long delay; - int index, i, j; + int index, i, j, err; struct qlc_83xx_quad_entry *entry; struct qlc_83xx_poll *poll; unsigned long addr; @@ -1788,7 +1817,10 @@ static void qlcnic_83xx_poll_read_list(struct qlcnic_adapter *p_dev, poll->mask, poll->status)){ index = p_dev->ahw->reset.array_index; addr = entry->dr_addr; - j = qlcnic_83xx_rd_reg_indirect(p_dev, addr); + j = QLCRD32(p_dev, addr, &err); + if (err == -EIO) + return; + p_dev->ahw->reset.array[index++] = j; if (index == QLC_83XX_MAX_RESET_SEQ_ENTRIES) @@ -2123,6 +2155,8 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) set_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status); qlcnic_83xx_clear_function_resources(adapter); + INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); + /* register for NIC IDC AEN Events */ qlcnic_83xx_register_nic_idc_func(adapter, 1); @@ -2140,8 +2174,6 @@ int qlcnic_83xx_init(struct qlcnic_adapter *adapter, int pci_using_dac) if (adapter->nic_ops->init_driver(adapter)) return -EIO; - INIT_DELAYED_WORK(&adapter->idc_aen_work, qlcnic_83xx_idc_aen_work); - /* Periodically monitor device status */ qlcnic_83xx_idc_poll_dev_state(&adapter->fw_work.work); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c index 0581a48..d09389b 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c @@ -104,7 +104,7 @@ static u32 qlcnic_poll_rsp(struct qlcnic_adapter *adapter) { u32 rsp; - int timeout = 0; + int timeout = 0, err = 0; do { /* give atleast 1ms for firmware to respond */ @@ -113,7 +113,7 @@ qlcnic_poll_rsp(struct qlcnic_adapter *adapter) if (++timeout > QLCNIC_OS_CRB_RETRY_COUNT) return QLCNIC_CDRP_RSP_TIMEOUT; - rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET); + rsp = QLCRD32(adapter, QLCNIC_CDRP_CRB_OFFSET, &err); } while (!QLCNIC_CDRP_IS_RSP(rsp)); return rsp; @@ -122,7 +122,7 @@ qlcnic_poll_rsp(struct qlcnic_adapter *adapter) int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { - int i; + int i, err = 0; u32 rsp; u32 signature; struct pci_dev *pdev = adapter->pdev; @@ -148,7 +148,7 @@ int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, dev_err(&pdev->dev, "card response timeout.\n"); cmd->rsp.arg[0] = QLCNIC_RCODE_TIMEOUT; } else if (rsp == QLCNIC_CDRP_RSP_FAIL) { - cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1)); + cmd->rsp.arg[0] = QLCRD32(adapter, QLCNIC_CDRP_ARG(1), &err); switch (cmd->rsp.arg[0]) { case QLCNIC_RCODE_INVALID_ARGS: fmt = "CDRP invalid args: [%d]\n"; @@ -175,7 +175,7 @@ int qlcnic_82xx_issue_cmd(struct qlcnic_adapter *adapter, cmd->rsp.arg[0] = QLCNIC_RCODE_SUCCESS; for (i = 1; i < cmd->rsp.num; i++) - cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i)); + cmd->rsp.arg[i] = QLCRD32(adapter, QLCNIC_CDRP_ARG(i), &err); /* Release semaphore */ qlcnic_api_unlock(adapter); @@ -210,10 +210,10 @@ int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter, u32 fw_cmd) if (err) { dev_info(&adapter->pdev->dev, "Failed to set driver version in firmware\n"); - return -EIO; + err = -EIO; } - - return 0; + qlcnic_free_mbx_args(&cmd); + return err; } int diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 700a463..7aac23a 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -150,6 +150,7 @@ static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = { "Link_Test_on_offline", "Interrupt_Test_offline", "Internal_Loopback_offline", + "External_Loopback_offline", "EEPROM_Test_offline" }; @@ -266,7 +267,7 @@ int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter, { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 speed, reg; - int check_sfp_module = 0; + int check_sfp_module = 0, err = 0; u16 pcifn = ahw->pci_func; /* read which mode */ @@ -289,7 +290,7 @@ int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter, } else if (adapter->ahw->port_type == QLCNIC_XGBE) { u32 val = 0; - val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR); + val = QLCRD32(adapter, QLCNIC_PORT_MODE_ADDR, &err); if (val == QLCNIC_PORT_MODE_802_3_AP) { ecmd->supported = SUPPORTED_1000baseT_Full; @@ -300,9 +301,13 @@ int qlcnic_82xx_get_settings(struct qlcnic_adapter *adapter, } if (netif_running(adapter->netdev) && ahw->has_link_events) { - reg = QLCRD32(adapter, P3P_LINK_SPEED_REG(pcifn)); - speed = P3P_LINK_SPEED_VAL(pcifn, reg); - ahw->link_speed = speed * P3P_LINK_SPEED_MHZ; + if (ahw->linkup) { + reg = QLCRD32(adapter, + P3P_LINK_SPEED_REG(pcifn), &err); + speed = P3P_LINK_SPEED_VAL(pcifn, reg); + ahw->link_speed = speed * P3P_LINK_SPEED_MHZ; + } + ethtool_cmd_speed_set(ecmd, ahw->link_speed); ecmd->autoneg = ahw->link_autoneg; ecmd->duplex = ahw->link_duplex; @@ -463,13 +468,14 @@ static int qlcnic_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd) static int qlcnic_82xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff) { - int i, j = 0; + int i, j = 0, err = 0; for (i = QLCNIC_DEV_INFO_SIZE + 1; diag_registers[j] != -1; j++, i++) regs_buff[i] = QLC_SHARED_REG_RD32(adapter, diag_registers[j]); j = 0; while (ext_diag_registers[j] != -1) - regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++]); + regs_buff[i++] = QLCRD32(adapter, ext_diag_registers[j++], + &err); return i; } @@ -519,13 +525,16 @@ qlcnic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) static u32 qlcnic_test_link(struct net_device *dev) { struct qlcnic_adapter *adapter = netdev_priv(dev); + int err = 0; u32 val; if (qlcnic_83xx_check(adapter)) { val = qlcnic_83xx_test_link(adapter); return (val & 1) ? 0 : 1; } - val = QLCRD32(adapter, CRB_XG_STATE_P3P); + val = QLCRD32(adapter, CRB_XG_STATE_P3P, &err); + if (err == -EIO) + return err; val = XG_LINK_STATE_P3P(adapter->ahw->pci_func, val); return (val == XG_LINK_UP_P3P) ? 0 : 1; } @@ -658,6 +667,7 @@ qlcnic_get_pauseparam(struct net_device *netdev, { struct qlcnic_adapter *adapter = netdev_priv(netdev); int port = adapter->ahw->physical_port; + int err = 0; __u32 val; if (qlcnic_83xx_check(adapter)) { @@ -668,9 +678,13 @@ qlcnic_get_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS)) return; /* get flow control settings */ - val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port)); + val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err); + if (err == -EIO) + return; pause->rx_pause = qlcnic_gb_get_rx_flowctl(val); - val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err); + if (err == -EIO) + return; switch (port) { case 0: pause->tx_pause = !(qlcnic_gb_get_gb0_mask(val)); @@ -690,7 +704,9 @@ qlcnic_get_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS)) return; pause->rx_pause = 1; - val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err); + if (err == -EIO) + return; if (port == 0) pause->tx_pause = !(qlcnic_xg_get_xg0_mask(val)); else @@ -707,6 +723,7 @@ qlcnic_set_pauseparam(struct net_device *netdev, { struct qlcnic_adapter *adapter = netdev_priv(netdev); int port = adapter->ahw->physical_port; + int err = 0; __u32 val; if (qlcnic_83xx_check(adapter)) @@ -717,7 +734,9 @@ qlcnic_set_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_GBE_PORTS)) return -EIO; /* set flow control */ - val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port)); + val = QLCRD32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), &err); + if (err == -EIO) + return err; if (pause->rx_pause) qlcnic_gb_rx_flowctl(val); @@ -728,7 +747,9 @@ qlcnic_set_pauseparam(struct net_device *netdev, val); QLCWR32(adapter, QLCNIC_NIU_GB_MAC_CONFIG_0(port), val); /* set autoneg */ - val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_GB_PAUSE_CTL, &err); + if (err == -EIO) + return err; switch (port) { case 0: if (pause->tx_pause) @@ -764,7 +785,9 @@ qlcnic_set_pauseparam(struct net_device *netdev, if ((port < 0) || (port > QLCNIC_NIU_MAX_XG_PORTS)) return -EIO; - val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL); + val = QLCRD32(adapter, QLCNIC_NIU_XG_PAUSE_CTL, &err); + if (err == -EIO) + return err; if (port == 0) { if (pause->tx_pause) qlcnic_xg_unset_xg0_mask(val); @@ -788,11 +811,14 @@ static int qlcnic_reg_test(struct net_device *dev) { struct qlcnic_adapter *adapter = netdev_priv(dev); u32 data_read; + int err = 0; if (qlcnic_83xx_check(adapter)) return qlcnic_83xx_reg_test(adapter); - data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0)); + data_read = QLCRD32(adapter, QLCNIC_PCIX_PH_REG(0), &err); + if (err == -EIO) + return err; if ((data_read & 0xffff) != adapter->pdev->vendor) return 1; @@ -1026,8 +1052,15 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test, if (data[3]) eth_test->flags |= ETH_TEST_FL_FAILED; - data[4] = qlcnic_eeprom_test(dev); - if (data[4]) + if (eth_test->flags & ETH_TEST_FL_EXTERNAL_LB) { + data[4] = qlcnic_loopback_test(dev, QLCNIC_ELB_MODE); + if (data[4]) + eth_test->flags |= ETH_TEST_FL_FAILED; + eth_test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE; + } + + data[5] = qlcnic_eeprom_test(dev); + if (data[5]) eth_test->flags |= ETH_TEST_FL_FAILED; } } @@ -1257,17 +1290,20 @@ qlcnic_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct qlcnic_adapter *adapter = netdev_priv(dev); u32 wol_cfg; + int err = 0; if (qlcnic_83xx_check(adapter)) return; wol->supported = 0; wol->wolopts = 0; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (err == -EIO) + return; if (wol_cfg & (1UL << adapter->portnum)) wol->supported |= WAKE_MAGIC; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); if (wol_cfg & (1UL << adapter->portnum)) wol->wolopts |= WAKE_MAGIC; } @@ -1277,17 +1313,22 @@ qlcnic_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) { struct qlcnic_adapter *adapter = netdev_priv(dev); u32 wol_cfg; + int err = 0; if (qlcnic_83xx_check(adapter)) return -EOPNOTSUPP; if (wol->wolopts & ~WAKE_MAGIC) return -EINVAL; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); + if (err == -EIO) + return err; if (!(wol_cfg & (1 << adapter->portnum))) return -EOPNOTSUPP; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (err == -EIO) + return err; if (wol->wolopts & WAKE_MAGIC) wol_cfg |= 1UL << adapter->portnum; else @@ -1540,7 +1581,7 @@ qlcnic_set_dump(struct net_device *netdev, struct ethtool_dump *val) return 0; case QLCNIC_SET_QUIESCENT: case QLCNIC_RESET_QUIESCENT: - state = QLCRD32(adapter, QLCNIC_CRB_DEV_STATE); + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); if (state == QLCNIC_DEV_FAILED || (state == QLCNIC_DEV_BADBAD)) netdev_info(netdev, "Device in FAILED state\n"); return 0; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index 5b5d2ed..4d5f59b 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -317,16 +317,20 @@ static void qlcnic_write_window_reg(u32 addr, void __iomem *bar0, u32 data) int qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) { - int done = 0, timeout = 0; + int timeout = 0; + int err = 0; + u32 done = 0; while (!done) { - done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem))); + done = QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_LOCK(sem)), + &err); if (done == 1) break; if (++timeout >= QLCNIC_PCIE_SEM_TIMEOUT) { dev_err(&adapter->pdev->dev, "Failed to acquire sem=%d lock; holdby=%d\n", - sem, id_reg ? QLCRD32(adapter, id_reg) : -1); + sem, + id_reg ? QLCRD32(adapter, id_reg, &err) : -1); return -EIO; } msleep(1); @@ -341,19 +345,22 @@ qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) void qlcnic_pcie_sem_unlock(struct qlcnic_adapter *adapter, int sem) { - QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem))); + int err = 0; + + QLCRD32(adapter, QLCNIC_PCIE_REG(PCIE_SEM_UNLOCK(sem)), &err); } int qlcnic_ind_rd(struct qlcnic_adapter *adapter, u32 addr) { + int err = 0; u32 data; if (qlcnic_82xx_check(adapter)) qlcnic_read_window_reg(addr, adapter->ahw->pci_base0, &data); else { - data = qlcnic_83xx_rd_reg_indirect(adapter, addr); - if (data == -EIO) - return -EIO; + data = QLCRD32(adapter, addr, &err); + if (err == -EIO) + return err; } return data; } @@ -516,20 +523,18 @@ void __qlcnic_set_multi(struct net_device *netdev, u16 vlan) if (netdev->flags & IFF_PROMISC) { if (!(adapter->flags & QLCNIC_PROMISC_DISABLED)) mode = VPORT_MISS_MODE_ACCEPT_ALL; - } else if (netdev->flags & IFF_ALLMULTI) { - if (netdev_mc_count(netdev) > ahw->max_mc_count) { - mode = VPORT_MISS_MODE_ACCEPT_MULTI; - } else if (!netdev_mc_empty(netdev) && - !qlcnic_sriov_vf_check(adapter)) { - netdev_for_each_mc_addr(ha, netdev) - qlcnic_nic_add_mac(adapter, ha->addr, - vlan); - } - if (mode != VPORT_MISS_MODE_ACCEPT_MULTI && - qlcnic_sriov_vf_check(adapter)) - qlcnic_vf_add_mc_list(netdev, vlan); + } else if ((netdev->flags & IFF_ALLMULTI) || + (netdev_mc_count(netdev) > ahw->max_mc_count)) { + mode = VPORT_MISS_MODE_ACCEPT_MULTI; + } else if (!netdev_mc_empty(netdev) && + !qlcnic_sriov_vf_check(adapter)) { + netdev_for_each_mc_addr(ha, netdev) + qlcnic_nic_add_mac(adapter, ha->addr, vlan); } + if (qlcnic_sriov_vf_check(adapter)) + qlcnic_vf_add_mc_list(netdev, vlan); + /* configure unicast MAC address, if there is not sufficient space * to store all the unicast addresses then enable promiscuous mode */ @@ -1161,7 +1166,8 @@ int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *adapter, ulong off, return -EIO; } -int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off) +int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong off, + int *err) { unsigned long flags; int rv; @@ -1417,7 +1423,7 @@ int qlcnic_pci_mem_read_2M(struct qlcnic_adapter *adapter, u64 off, u64 *data) int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) { - int offset, board_type, magic; + int offset, board_type, magic, err = 0; struct pci_dev *pdev = adapter->pdev; offset = QLCNIC_FW_MAGIC_OFFSET; @@ -1437,7 +1443,9 @@ int qlcnic_82xx_get_board_info(struct qlcnic_adapter *adapter) adapter->ahw->board_type = board_type; if (board_type == QLCNIC_BRDTYPE_P3P_4_GB_MM) { - u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I); + u32 gpio = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_PAD_GPIO_I, &err); + if (err == -EIO) + return err; if ((gpio & 0x8000) == 0) board_type = QLCNIC_BRDTYPE_P3P_10G_TP; } @@ -1477,10 +1485,13 @@ int qlcnic_wol_supported(struct qlcnic_adapter *adapter) { u32 wol_cfg; + int err = 0; - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG_NV, &err); if (wol_cfg & (1UL << adapter->portnum)) { - wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG); + wol_cfg = QLCRD32(adapter, QLCNIC_WOL_CONFIG, &err); + if (err == -EIO) + return err; if (wol_cfg & (1 << adapter->portnum)) return 1; } @@ -1541,6 +1552,7 @@ void qlcnic_82xx_get_func_no(struct qlcnic_adapter *adapter) void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, loff_t offset, size_t size) { + int err = 0; u32 data; u64 qmdata; @@ -1548,7 +1560,7 @@ void qlcnic_82xx_read_crb(struct qlcnic_adapter *adapter, char *buf, qlcnic_pci_camqm_read_2M(adapter, offset, &qmdata); memcpy(buf, &qmdata, size); } else { - data = QLCRD32(adapter, offset); + data = QLCRD32(adapter, offset, &err); memcpy(buf, &data, size); } } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h index 2c22504..4a71b28 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.h @@ -154,7 +154,7 @@ struct qlcnic_hardware_context; struct qlcnic_adapter; int qlcnic_82xx_start_firmware(struct qlcnic_adapter *); -int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong); +int qlcnic_82xx_hw_read_wx_2M(struct qlcnic_adapter *adapter, ulong, int *); int qlcnic_82xx_hw_write_wx_2M(struct qlcnic_adapter *, ulong, u32); int qlcnic_82xx_config_hw_lro(struct qlcnic_adapter *adapter, int); int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c index d28336f..974d626 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c @@ -142,7 +142,7 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter) buffrag->length, PCI_DMA_TODEVICE); buffrag->dma = 0ULL; } - for (j = 0; j < cmd_buf->frag_count; j++) { + for (j = 1; j < cmd_buf->frag_count; j++) { buffrag++; if (buffrag->dma) { pci_unmap_page(adapter->pdev, buffrag->dma, @@ -286,10 +286,11 @@ static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) { long timeout = 0; long done = 0; + int err = 0; cond_resched(); while (done == 0) { - done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS); + done = QLCRD32(adapter, QLCNIC_ROMUSB_GLB_STATUS, &err); done &= 2; if (++timeout >= QLCNIC_MAX_ROM_WAIT_USEC) { dev_err(&adapter->pdev->dev, @@ -304,6 +305,8 @@ static int qlcnic_wait_rom_done(struct qlcnic_adapter *adapter) static int do_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) { + int err = 0; + QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ADDRESS, addr); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_ABYTE_CNT, 3); @@ -317,7 +320,9 @@ static int do_rom_fast_read(struct qlcnic_adapter *adapter, udelay(10); QLCWR32(adapter, QLCNIC_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); - *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA); + *valp = QLCRD32(adapter, QLCNIC_ROMUSB_ROM_RDATA, &err); + if (err == -EIO) + return err; return 0; } @@ -369,11 +374,11 @@ int qlcnic_rom_fast_read(struct qlcnic_adapter *adapter, u32 addr, u32 *valp) int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) { - int addr, val; + int addr, err = 0; int i, n, init_delay; struct crb_addr_pair *buf; unsigned offset; - u32 off; + u32 off, val; struct pci_dev *pdev = adapter->pdev; QLC_SHARED_REG_WR32(adapter, QLCNIC_CMDPEG_STATE, 0); @@ -402,7 +407,9 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter) QLCWR32(adapter, QLCNIC_CRB_NIU + 0xb0000, 0x00); /* halt sre */ - val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000); + val = QLCRD32(adapter, QLCNIC_CRB_SRE + 0x1000, &err); + if (err == -EIO) + return err; QLCWR32(adapter, QLCNIC_CRB_SRE + 0x1000, val & (~(0x1))); /* halt epg */ @@ -719,10 +726,12 @@ qlcnic_check_flash_fw_ver(struct qlcnic_adapter *adapter) static int qlcnic_has_mn(struct qlcnic_adapter *adapter) { - u32 capability; - capability = 0; + u32 capability = 0; + int err = 0; - capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY); + capability = QLCRD32(adapter, QLCNIC_PEG_TUNE_CAPABILITY, &err); + if (err == -EIO) + return err; if (capability & QLCNIC_PEG_TUNE_MN_PRESENT) return 1; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index d3f8797..6946d35 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -161,36 +161,68 @@ static inline int qlcnic_82xx_is_lb_pkt(u64 sts_data) return (qlcnic_get_sts_status(sts_data) == STATUS_CKSUM_LOOP) ? 1 : 0; } +static void qlcnic_delete_rx_list_mac(struct qlcnic_adapter *adapter, + struct qlcnic_filter *fil, + void *addr, u16 vlan_id) +{ + int ret; + u8 op; + + op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; + ret = qlcnic_sre_macaddr_change(adapter, addr, vlan_id, op); + if (ret) + return; + + op = vlan_id ? QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL; + ret = qlcnic_sre_macaddr_change(adapter, addr, vlan_id, op); + if (!ret) { + hlist_del(&fil->fnode); + adapter->rx_fhash.fnum--; + } +} + +static struct qlcnic_filter *qlcnic_find_mac_filter(struct hlist_head *head, + void *addr, u16 vlan_id) +{ + struct qlcnic_filter *tmp_fil = NULL; + struct hlist_node *n; + + hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { + if (!memcmp(tmp_fil->faddr, addr, ETH_ALEN) && + tmp_fil->vlan_id == vlan_id) + return tmp_fil; + } + + return NULL; +} + void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb, int loopback_pkt, u16 vlan_id) { struct ethhdr *phdr = (struct ethhdr *)(skb->data); struct qlcnic_filter *fil, *tmp_fil; - struct hlist_node *n; struct hlist_head *head; unsigned long time; u64 src_addr = 0; - u8 hindex, found = 0, op; + u8 hindex, op; int ret; memcpy(&src_addr, phdr->h_source, ETH_ALEN); + hindex = qlcnic_mac_hash(src_addr) & + (adapter->fhash.fbucket_size - 1); if (loopback_pkt) { if (adapter->rx_fhash.fnum >= adapter->rx_fhash.fmax) return; - hindex = qlcnic_mac_hash(src_addr) & - (adapter->fhash.fbucket_size - 1); head = &(adapter->rx_fhash.fhead[hindex]); - hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { - if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && - tmp_fil->vlan_id == vlan_id) { - time = tmp_fil->ftime; - if (jiffies > (QLCNIC_READD_AGE * HZ + time)) - tmp_fil->ftime = jiffies; - return; - } + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) { + time = tmp_fil->ftime; + if (time_after(jiffies, QLCNIC_READD_AGE * HZ + time)) + tmp_fil->ftime = jiffies; + return; } fil = kzalloc(sizeof(struct qlcnic_filter), GFP_ATOMIC); @@ -205,36 +237,37 @@ void qlcnic_add_lb_filter(struct qlcnic_adapter *adapter, struct sk_buff *skb, adapter->rx_fhash.fnum++; spin_unlock(&adapter->rx_mac_learn_lock); } else { - hindex = qlcnic_mac_hash(src_addr) & - (adapter->fhash.fbucket_size - 1); - head = &(adapter->rx_fhash.fhead[hindex]); - spin_lock(&adapter->rx_mac_learn_lock); - hlist_for_each_entry_safe(tmp_fil, n, head, fnode) { - if (!memcmp(tmp_fil->faddr, &src_addr, ETH_ALEN) && - tmp_fil->vlan_id == vlan_id) { - found = 1; - break; - } - } + head = &adapter->fhash.fhead[hindex]; - if (!found) { - spin_unlock(&adapter->rx_mac_learn_lock); - return; - } + spin_lock(&adapter->mac_learn_lock); - op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; - ret = qlcnic_sre_macaddr_change(adapter, (u8 *)&src_addr, - vlan_id, op); - if (!ret) { + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) { op = vlan_id ? QLCNIC_MAC_VLAN_DEL : QLCNIC_MAC_DEL; ret = qlcnic_sre_macaddr_change(adapter, (u8 *)&src_addr, vlan_id, op); if (!ret) { - hlist_del(&(tmp_fil->fnode)); - adapter->rx_fhash.fnum--; + hlist_del(&tmp_fil->fnode); + adapter->fhash.fnum--; } + + spin_unlock(&adapter->mac_learn_lock); + + return; } + + spin_unlock(&adapter->mac_learn_lock); + + head = &adapter->rx_fhash.fhead[hindex]; + + spin_lock(&adapter->rx_mac_learn_lock); + + tmp_fil = qlcnic_find_mac_filter(head, &src_addr, vlan_id); + if (tmp_fil) + qlcnic_delete_rx_list_mac(adapter, tmp_fil, &src_addr, + vlan_id); + spin_unlock(&adapter->rx_mac_learn_lock); } } @@ -262,7 +295,7 @@ void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr, mac_req = (struct qlcnic_mac_req *)&(req->words[0]); mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; - memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); + memcpy(mac_req->mac_addr, uaddr, ETH_ALEN); vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; vlan_req->vlan_id = cpu_to_le16(vlan_id); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 4528f8e..bc05d01 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -977,8 +977,8 @@ qlcnic_check_options(struct qlcnic_adapter *adapter) static int qlcnic_initialize_nic(struct qlcnic_adapter *adapter) { - int err; struct qlcnic_info nic_info; + int err = 0; memset(&nic_info, 0, sizeof(struct qlcnic_info)); err = qlcnic_get_nic_info(adapter, &nic_info, adapter->ahw->pci_func); @@ -993,7 +993,9 @@ qlcnic_initialize_nic(struct qlcnic_adapter *adapter) if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_MORE_CAPS) { u32 temp; - temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2); + temp = QLCRD32(adapter, CRB_FW_CAPABILITIES_2, &err); + if (err == -EIO) + return err; adapter->ahw->extra_capability[0] = temp; } adapter->ahw->max_mac_filters = nic_info.max_mac_filters; @@ -1383,6 +1385,8 @@ qlcnic_request_irq(struct qlcnic_adapter *adapter) if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { if (qlcnic_82xx_check(adapter)) handler = qlcnic_tmp_intr; + else + handler = qlcnic_83xx_tmp_intr; if (!QLCNIC_IS_MSI_FAMILY(adapter)) flags |= IRQF_SHARED; @@ -1531,12 +1535,12 @@ int __qlcnic_up(struct qlcnic_adapter *adapter, struct net_device *netdev) if (netdev->features & NETIF_F_LRO) qlcnic_config_hw_lro(adapter, QLCNIC_LRO_ENABLED); + set_bit(__QLCNIC_DEV_UP, &adapter->state); qlcnic_napi_enable(adapter); qlcnic_linkevent_request(adapter, 1); adapter->ahw->reset_context = 0; - set_bit(__QLCNIC_DEV_UP, &adapter->state); return 0; } @@ -2139,7 +2143,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (qlcnic_83xx_check(adapter) && !qlcnic_use_msi_x && !!qlcnic_use_msi) dev_warn(&pdev->dev, - "83xx adapter do not support MSI interrupts\n"); + "Device does not support MSI interrupts\n"); err = qlcnic_setup_intr(adapter, 0); if (err) { @@ -2161,7 +2165,8 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_out_disable_mbx_intr; - qlcnic_set_drv_version(adapter); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); pci_set_drvdata(pdev, adapter); @@ -3081,7 +3086,8 @@ done: adapter->fw_fail_cnt = 0; adapter->flags &= ~QLCNIC_FW_HANG; clear_bit(__QLCNIC_RESETTING, &adapter->state); - qlcnic_set_drv_version(adapter); + if (adapter->portnum == 0) + qlcnic_set_drv_version(adapter); if (!qlcnic_clr_drv_state(adapter)) qlcnic_schedule_work(adapter, qlcnic_fw_poll_work, @@ -3093,6 +3099,7 @@ qlcnic_check_health(struct qlcnic_adapter *adapter) { u32 state = 0, heartbeat; u32 peg_status; + int err = 0; if (qlcnic_check_temp(adapter)) goto detach; @@ -3139,11 +3146,11 @@ qlcnic_check_health(struct qlcnic_adapter *adapter) "PEG_NET_4_PC: 0x%x\n", peg_status, QLC_SHARED_REG_RD32(adapter, QLCNIC_PEG_HALT_STATUS2), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c), - QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c)); + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_0 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_1 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_2 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_3 + 0x3c, &err), + QLCRD32(adapter, QLCNIC_CRB_PEG_NET_4 + 0x3c, &err)); if (QLCNIC_FWERROR_CODE(peg_status) == 0x67) dev_err(&adapter->pdev->dev, "Firmware aborted with error code 0x00006700. " diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c index ab8a674..79e54ef 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c @@ -1084,7 +1084,7 @@ flash_temp: tmpl_hdr = ahw->fw_dump.tmpl_hdr; tmpl_hdr->drv_cap_mask = QLCNIC_DUMP_MASK_DEF; - if ((tmpl_hdr->version & 0xffffff) >= 0x20001) + if ((tmpl_hdr->version & 0xfffff) >= 0x20001) ahw->fw_dump.use_pex_dma = true; else ahw->fw_dump.use_pex_dma = false; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 62380ce..5d40045 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -562,7 +562,7 @@ static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter, INIT_LIST_HEAD(&adapter->vf_mc_list); if (!qlcnic_use_msi_x && !!qlcnic_use_msi) dev_warn(&adapter->pdev->dev, - "83xx adapter do not support MSI interrupts\n"); + "Device does not support MSI interrupts\n"); err = qlcnic_setup_intr(adapter, 1); if (err) { @@ -762,6 +762,7 @@ static int qlcnic_sriov_alloc_bc_mbx_args(struct qlcnic_cmd_args *mbx, u32 type) memset(mbx->rsp.arg, 0, sizeof(u32) * mbx->rsp.num); mbx->req.arg[0] = (type | (mbx->req.num << 16) | (3 << 29)); + mbx->rsp.arg[0] = (type & 0xffff) | mbx->rsp.num << 16; return 0; } } @@ -813,6 +814,7 @@ static int qlcnic_sriov_prepare_bc_hdr(struct qlcnic_bc_trans *trans, cmd->req.num = trans->req_pay_size / 4; cmd->rsp.num = trans->rsp_pay_size / 4; hdr = trans->rsp_hdr; + cmd->op_type = trans->req_hdr->op_type; } trans->trans_id = seq; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index ee0c1d3..eb49cd6 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -635,12 +635,12 @@ static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans, struct qlcnic_cmd_args *cmd) { struct qlcnic_vf_info *vf = trans->vf; - struct qlcnic_adapter *adapter = vf->adapter; - int err; + struct qlcnic_vport *vp = vf->vp; + struct qlcnic_adapter *adapter; u16 func = vf->pci_func; + int err; - cmd->rsp.arg[0] = trans->req_hdr->cmd_op; - cmd->rsp.arg[0] |= (1 << 16); + adapter = vf->adapter; if (trans->req_hdr->cmd_op == QLCNIC_BC_CMD_CHANNEL_INIT) { err = qlcnic_sriov_pf_config_vport(adapter, 1, func); @@ -650,6 +650,8 @@ static int qlcnic_sriov_pf_channel_cfg_cmd(struct qlcnic_bc_trans *trans, qlcnic_sriov_pf_config_vport(adapter, 0, func); } } else { + if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) + vp->vlan = 0; err = qlcnic_sriov_pf_config_vport(adapter, 0, func); } @@ -1183,7 +1185,7 @@ static int qlcnic_sriov_pf_get_acl_cmd(struct qlcnic_bc_trans *trans, u8 cmd_op, mode = vp->vlan_mode; cmd_op = trans->req_hdr->cmd_op; - cmd->rsp.arg[0] = (cmd_op & 0xffff) | 14 << 16 | 1 << 25; + cmd->rsp.arg[0] |= 1 << 25; switch (mode) { case QLC_GUEST_VLAN_MODE: @@ -1561,6 +1563,7 @@ void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, struct qlcnic_vf_info *vf) { struct net_device *dev = vf->adapter->netdev; + struct qlcnic_vport *vp = vf->vp; if (!test_and_clear_bit(QLC_BC_VF_STATE, &vf->state)) { clear_bit(QLC_BC_VF_FLR, &vf->state); @@ -1573,6 +1576,9 @@ void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov, return; } + if (vp->vlan_mode == QLC_GUEST_VLAN_MODE) + vp->vlan = 0; + qlcnic_sriov_schedule_flr(sriov, vf, qlcnic_sriov_pf_process_flr); netdev_info(dev, "FLR received for PCI func %d\n", vf->pci_func); } @@ -1621,13 +1627,15 @@ int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_sriov *sriov = adapter->ahw->sriov; - int i, num_vfs = sriov->num_vfs; + int i, num_vfs; struct qlcnic_vf_info *vf_info; u8 *curr_mac; if (!qlcnic_sriov_pf_check(adapter)) return -EOPNOTSUPP; + num_vfs = sriov->num_vfs; + if (!is_valid_ether_addr(mac) || vf >= num_vfs) return -EINVAL; @@ -1741,6 +1749,7 @@ int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf, switch (vlan) { case 4095: + vp->vlan = 0; vp->vlan_mode = QLC_GUEST_VLAN_MODE; break; case 0: @@ -1759,6 +1768,29 @@ int qlcnic_sriov_set_vf_vlan(struct net_device *netdev, int vf, return 0; } +static inline __u32 qlcnic_sriov_get_vf_vlan(struct qlcnic_adapter *adapter, + struct qlcnic_vport *vp, int vf) +{ + __u32 vlan = 0; + + switch (vp->vlan_mode) { + case QLC_PVID_MODE: + vlan = vp->vlan; + break; + case QLC_GUEST_VLAN_MODE: + vlan = MAX_VLAN_ID; + break; + case QLC_NO_VLAN_MODE: + vlan = 0; + break; + default: + netdev_info(adapter->netdev, "Invalid VLAN mode = %d for VF %d\n", + vp->vlan_mode, vf); + } + + return vlan; +} + int qlcnic_sriov_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivi) { @@ -1774,7 +1806,7 @@ int qlcnic_sriov_get_vf_config(struct net_device *netdev, vp = sriov->vf_info[vf].vp; memcpy(&ivi->mac, vp->mac, ETH_ALEN); - ivi->vlan = vp->vlan; + ivi->vlan = qlcnic_sriov_get_vf_vlan(adapter, vp, vf); ivi->qos = vp->qos; ivi->spoofchk = vp->spoofchk; if (vp->max_tx_bw == MAX_BW) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c index 10ed82b..660c3f5 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -170,9 +170,9 @@ static int qlcnic_82xx_store_beacon(struct qlcnic_adapter *adapter, if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_BEACON) { err = qlcnic_get_beacon_state(adapter, &h_beacon_state); - if (!err) { - dev_info(&adapter->pdev->dev, - "Failed to get current beacon state\n"); + if (err) { + netdev_err(adapter->netdev, + "Failed to get current beacon state\n"); } else { if (h_beacon_state == QLCNIC_BEACON_DISABLE) ahw->beacon_state = 0; diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index e6acb9f..d2e5919 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -478,7 +478,7 @@ rx_status_loop: while (1) { u32 status, len; - dma_addr_t mapping; + dma_addr_t mapping, new_mapping; struct sk_buff *skb, *new_skb; struct cp_desc *desc; const unsigned buflen = cp->rx_buf_sz; @@ -520,6 +520,14 @@ rx_status_loop: goto rx_next; } + new_mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen, + PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&cp->pdev->dev, new_mapping)) { + dev->stats.rx_dropped++; + kfree_skb(new_skb); + goto rx_next; + } + dma_unmap_single(&cp->pdev->dev, mapping, buflen, PCI_DMA_FROMDEVICE); @@ -531,12 +539,11 @@ rx_status_loop: skb_put(skb, len); - mapping = dma_map_single(&cp->pdev->dev, new_skb->data, buflen, - PCI_DMA_FROMDEVICE); cp->rx_skb[rx_tail] = new_skb; cp_rx_skb(cp, skb, desc); rx++; + mapping = new_mapping; rx_next: cp->rx_ring[rx_tail].opts2 = 0; @@ -716,6 +723,22 @@ static inline u32 cp_tx_vlan_tag(struct sk_buff *skb) TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00; } +static void unwind_tx_frag_mapping(struct cp_private *cp, struct sk_buff *skb, + int first, int entry_last) +{ + int frag, index; + struct cp_desc *txd; + skb_frag_t *this_frag; + for (frag = 0; frag+first < entry_last; frag++) { + index = first+frag; + cp->tx_skb[index] = NULL; + txd = &cp->tx_ring[index]; + this_frag = &skb_shinfo(skb)->frags[frag]; + dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr), + skb_frag_size(this_frag), PCI_DMA_TODEVICE); + } +} + static netdev_tx_t cp_start_xmit (struct sk_buff *skb, struct net_device *dev) { @@ -749,6 +772,9 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, len = skb->len; mapping = dma_map_single(&cp->pdev->dev, skb->data, len, PCI_DMA_TODEVICE); + if (dma_mapping_error(&cp->pdev->dev, mapping)) + goto out_dma_error; + txd->opts2 = opts2; txd->addr = cpu_to_le64(mapping); wmb(); @@ -786,6 +812,9 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, first_len = skb_headlen(skb); first_mapping = dma_map_single(&cp->pdev->dev, skb->data, first_len, PCI_DMA_TODEVICE); + if (dma_mapping_error(&cp->pdev->dev, first_mapping)) + goto out_dma_error; + cp->tx_skb[entry] = skb; entry = NEXT_TX(entry); @@ -799,6 +828,11 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, mapping = dma_map_single(&cp->pdev->dev, skb_frag_address(this_frag), len, PCI_DMA_TODEVICE); + if (dma_mapping_error(&cp->pdev->dev, mapping)) { + unwind_tx_frag_mapping(cp, skb, first_entry, entry); + goto out_dma_error; + } + eor = (entry == (CP_TX_RING_SIZE - 1)) ? RingEnd : 0; ctrl = eor | len | DescOwn; @@ -859,11 +893,16 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1)) netif_stop_queue(dev); +out_unlock: spin_unlock_irqrestore(&cp->lock, intr_flags); cpw8(TxPoll, NormalTxPoll); return NETDEV_TX_OK; +out_dma_error: + kfree_skb(skb); + cp->dev->stats.tx_dropped++; + goto out_unlock; } /* Set or clear the multicast filter for this adaptor. @@ -1054,6 +1093,10 @@ static int cp_refill_rx(struct cp_private *cp) mapping = dma_map_single(&cp->pdev->dev, skb->data, cp->rx_buf_sz, PCI_DMA_FROMDEVICE); + if (dma_mapping_error(&cp->pdev->dev, mapping)) { + kfree_skb(skb); + goto err_out; + } cp->rx_skb[i] = skb; cp->rx_ring[i].opts2 = 0; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 4106a74..85e5c97 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -3689,7 +3689,7 @@ static void rtl_phy_work(struct rtl8169_private *tp) if (tp->link_ok(ioaddr)) return; - netif_warn(tp, link, tp->dev, "PHY reset until link up\n"); + netif_dbg(tp, link, tp->dev, "PHY reset until link up\n"); tp->phy_reset_enable(tp); @@ -6468,6 +6468,8 @@ static int rtl8169_close(struct net_device *dev) rtl8169_down(dev); rtl_unlock_work(tp); + cancel_work_sync(&tp->wk.work); + free_irq(pdev->irq, dev); dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, @@ -6793,8 +6795,6 @@ static void rtl_remove_one(struct pci_dev *pdev) rtl8168_driver_stop(tp); } - cancel_work_sync(&tp->wk.work); - netif_napi_del(&tp->napi); unregister_netdev(dev); @@ -7088,7 +7088,7 @@ rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) RTL_W8(Cfg9346, Cfg9346_Unlock); RTL_W8(Config1, RTL_R8(Config1) | PMEnable); - RTL_W8(Config5, RTL_R8(Config5) & PMEStatus); + RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus)); if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0) tp->features |= RTL_FEATURE_WOL; if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0) diff --git a/drivers/net/ethernet/sfc/filter.c b/drivers/net/ethernet/sfc/filter.c index b74a60a..30d7442 100644 --- a/drivers/net/ethernet/sfc/filter.c +++ b/drivers/net/ethernet/sfc/filter.c @@ -675,7 +675,7 @@ s32 efx_filter_insert_filter(struct efx_nic *efx, struct efx_filter_spec *spec, BUILD_BUG_ON(EFX_FILTER_INDEX_UC_DEF != 0); BUILD_BUG_ON(EFX_FILTER_INDEX_MC_DEF != EFX_FILTER_MC_DEF - EFX_FILTER_UC_DEF); - rep_index = spec->type - EFX_FILTER_INDEX_UC_DEF; + rep_index = spec->type - EFX_FILTER_UC_DEF; ins_index = rep_index; spin_lock_bh(&state->lock); @@ -1209,7 +1209,9 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, EFX_BUG_ON_PARANOID(skb_headlen(skb) < nhoff + 4 * ip->ihl + 4); ports = (const __be16 *)(skb->data + nhoff + 4 * ip->ihl); - efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT, 0, rxq_index); + efx_filter_init_rx(&spec, EFX_FILTER_PRI_HINT, + efx->rx_scatter ? EFX_FILTER_FLAG_RX_SCATTER : 0, + rxq_index); rc = efx_filter_set_ipv4_full(&spec, ip->protocol, ip->daddr, ports[1], ip->saddr, ports[0]); if (rc) diff --git a/drivers/net/ethernet/sis/sis900.c b/drivers/net/ethernet/sis/sis900.c index eb4aea3..f5d7ad7 100644 --- a/drivers/net/ethernet/sis/sis900.c +++ b/drivers/net/ethernet/sis/sis900.c @@ -1318,7 +1318,7 @@ static void sis900_timer(unsigned long data) if (duplex){ sis900_set_mode(sis_priv, speed, duplex); sis630_set_eq(net_dev, sis_priv->chipset_rev); - netif_start_queue(net_dev); + netif_carrier_on(net_dev); } sis_priv->timer.expires = jiffies + HZ; @@ -1336,10 +1336,8 @@ static void sis900_timer(unsigned long data) status = sis900_default_phy(net_dev); mii_phy = sis_priv->mii; - if (status & MII_STAT_LINK){ + if (status & MII_STAT_LINK) sis900_check_mode(net_dev, mii_phy); - netif_carrier_on(net_dev); - } } else { /* Link ON -> OFF */ if (!(status & MII_STAT_LINK)){ @@ -1612,12 +1610,6 @@ sis900_start_xmit(struct sk_buff *skb, struct net_device *net_dev) unsigned int index_cur_tx, index_dirty_tx; unsigned int count_dirty_tx; - /* Don't transmit data before the complete of auto-negotiation */ - if(!sis_priv->autong_complete){ - netif_stop_queue(net_dev); - return NETDEV_TX_BUSY; - } - spin_lock_irqsave(&sis_priv->lock, flags); /* Calculate the next Tx descriptor entry. */ diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index c9d942a..1ef9d8a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -33,10 +33,15 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) struct stmmac_priv *priv = (struct stmmac_priv *)p; unsigned int txsize = priv->dma_tx_size; unsigned int entry = priv->cur_tx % txsize; - struct dma_desc *desc = priv->dma_tx + entry; + struct dma_desc *desc; unsigned int nopaged_len = skb_headlen(skb); unsigned int bmax, len; + if (priv->extend_desc) + desc = (struct dma_desc *)(priv->dma_etx + entry); + else + desc = priv->dma_tx + entry; + if (priv->plat->enh_desc) bmax = BUF_SIZE_8KiB; else @@ -54,7 +59,11 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) STMMAC_RING_MODE); wmb(); entry = (++priv->cur_tx) % txsize; - desc = priv->dma_tx + entry; + + if (priv->extend_desc) + desc = (struct dma_desc *)(priv->dma_etx + entry); + else + desc = priv->dma_tx + entry; desc->des2 = dma_map_single(priv->device, skb->data + bmax, len, DMA_TO_DEVICE); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index f2ccb36..0a9bb9d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -939,15 +939,20 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, skb = __netdev_alloc_skb(priv->dev, priv->dma_buf_sz + NET_IP_ALIGN, GFP_KERNEL); - if (unlikely(skb == NULL)) { + if (!skb) { pr_err("%s: Rx init fails; skb is NULL\n", __func__); - return 1; + return -ENOMEM; } skb_reserve(skb, NET_IP_ALIGN); priv->rx_skbuff[i] = skb; priv->rx_skbuff_dma[i] = dma_map_single(priv->device, skb->data, priv->dma_buf_sz, DMA_FROM_DEVICE); + if (dma_mapping_error(priv->device, priv->rx_skbuff_dma[i])) { + pr_err("%s: DMA mapping error\n", __func__); + dev_kfree_skb_any(skb); + return -EINVAL; + } p->des2 = priv->rx_skbuff_dma[i]; @@ -958,6 +963,16 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, return 0; } +static void stmmac_free_rx_buffers(struct stmmac_priv *priv, int i) +{ + if (priv->rx_skbuff[i]) { + dma_unmap_single(priv->device, priv->rx_skbuff_dma[i], + priv->dma_buf_sz, DMA_FROM_DEVICE); + dev_kfree_skb_any(priv->rx_skbuff[i]); + } + priv->rx_skbuff[i] = NULL; +} + /** * init_dma_desc_rings - init the RX/TX descriptor rings * @dev: net device structure @@ -965,13 +980,14 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p, * and allocates the socket buffers. It suppors the chained and ring * modes. */ -static void init_dma_desc_rings(struct net_device *dev) +static int init_dma_desc_rings(struct net_device *dev) { int i; struct stmmac_priv *priv = netdev_priv(dev); unsigned int txsize = priv->dma_tx_size; unsigned int rxsize = priv->dma_rx_size; unsigned int bfsize = 0; + int ret = -ENOMEM; /* Set the max buffer size according to the DESC mode * and the MTU. Note that RING mode allows 16KiB bsize. @@ -992,34 +1008,60 @@ static void init_dma_desc_rings(struct net_device *dev) dma_extended_desc), &priv->dma_rx_phy, GFP_KERNEL); + if (!priv->dma_erx) + goto err_dma; + priv->dma_etx = dma_alloc_coherent(priv->device, txsize * sizeof(struct dma_extended_desc), &priv->dma_tx_phy, GFP_KERNEL); - if ((!priv->dma_erx) || (!priv->dma_etx)) - return; + if (!priv->dma_etx) { + dma_free_coherent(priv->device, priv->dma_rx_size * + sizeof(struct dma_extended_desc), + priv->dma_erx, priv->dma_rx_phy); + goto err_dma; + } } else { priv->dma_rx = dma_alloc_coherent(priv->device, rxsize * sizeof(struct dma_desc), &priv->dma_rx_phy, GFP_KERNEL); + if (!priv->dma_rx) + goto err_dma; + priv->dma_tx = dma_alloc_coherent(priv->device, txsize * sizeof(struct dma_desc), &priv->dma_tx_phy, GFP_KERNEL); - if ((!priv->dma_rx) || (!priv->dma_tx)) - return; + if (!priv->dma_tx) { + dma_free_coherent(priv->device, priv->dma_rx_size * + sizeof(struct dma_desc), + priv->dma_rx, priv->dma_rx_phy); + goto err_dma; + } } priv->rx_skbuff_dma = kmalloc_array(rxsize, sizeof(dma_addr_t), GFP_KERNEL); + if (!priv->rx_skbuff_dma) + goto err_rx_skbuff_dma; + priv->rx_skbuff = kmalloc_array(rxsize, sizeof(struct sk_buff *), GFP_KERNEL); + if (!priv->rx_skbuff) + goto err_rx_skbuff; + priv->tx_skbuff_dma = kmalloc_array(txsize, sizeof(dma_addr_t), GFP_KERNEL); + if (!priv->tx_skbuff_dma) + goto err_tx_skbuff_dma; + priv->tx_skbuff = kmalloc_array(txsize, sizeof(struct sk_buff *), GFP_KERNEL); + if (!priv->tx_skbuff) + goto err_tx_skbuff; + if (netif_msg_probe(priv)) { pr_debug("(%s) dma_rx_phy=0x%08x dma_tx_phy=0x%08x\n", __func__, (u32) priv->dma_rx_phy, (u32) priv->dma_tx_phy); @@ -1034,8 +1076,9 @@ static void init_dma_desc_rings(struct net_device *dev) else p = priv->dma_rx + i; - if (stmmac_init_rx_buffers(priv, p, i)) - break; + ret = stmmac_init_rx_buffers(priv, p, i); + if (ret) + goto err_init_rx_buffers; if (netif_msg_probe(priv)) pr_debug("[%p]\t[%p]\t[%x]\n", priv->rx_skbuff[i], @@ -1081,20 +1124,44 @@ static void init_dma_desc_rings(struct net_device *dev) if (netif_msg_hw(priv)) stmmac_display_rings(priv); + + return 0; +err_init_rx_buffers: + while (--i >= 0) + stmmac_free_rx_buffers(priv, i); + kfree(priv->tx_skbuff); +err_tx_skbuff: + kfree(priv->tx_skbuff_dma); +err_tx_skbuff_dma: + kfree(priv->rx_skbuff); +err_rx_skbuff: + kfree(priv->rx_skbuff_dma); +err_rx_skbuff_dma: + if (priv->extend_desc) { + dma_free_coherent(priv->device, priv->dma_tx_size * + sizeof(struct dma_extended_desc), + priv->dma_etx, priv->dma_tx_phy); + dma_free_coherent(priv->device, priv->dma_rx_size * + sizeof(struct dma_extended_desc), + priv->dma_erx, priv->dma_rx_phy); + } else { + dma_free_coherent(priv->device, + priv->dma_tx_size * sizeof(struct dma_desc), + priv->dma_tx, priv->dma_tx_phy); + dma_free_coherent(priv->device, + priv->dma_rx_size * sizeof(struct dma_desc), + priv->dma_rx, priv->dma_rx_phy); + } +err_dma: + return ret; } static void dma_free_rx_skbufs(struct stmmac_priv *priv) { int i; - for (i = 0; i < priv->dma_rx_size; i++) { - if (priv->rx_skbuff[i]) { - dma_unmap_single(priv->device, priv->rx_skbuff_dma[i], - priv->dma_buf_sz, DMA_FROM_DEVICE); - dev_kfree_skb_any(priv->rx_skbuff[i]); - } - priv->rx_skbuff[i] = NULL; - } + for (i = 0; i < priv->dma_rx_size; i++) + stmmac_free_rx_buffers(priv, i); } static void dma_free_tx_skbufs(struct stmmac_priv *priv) @@ -1560,12 +1627,17 @@ static int stmmac_open(struct net_device *dev) priv->dma_tx_size = STMMAC_ALIGN(dma_txsize); priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize); priv->dma_buf_sz = STMMAC_ALIGN(buf_sz); - init_dma_desc_rings(dev); + + ret = init_dma_desc_rings(dev); + if (ret < 0) { + pr_err("%s: DMA descriptors initialization failed\n", __func__); + goto dma_desc_error; + } /* DMA initialization and SW reset */ ret = stmmac_init_dma_engine(priv); if (ret < 0) { - pr_err("%s: DMA initialization failed\n", __func__); + pr_err("%s: DMA engine initialization failed\n", __func__); goto init_error; } @@ -1672,6 +1744,7 @@ wolirq_error: init_error: free_dma_desc_resources(priv); +dma_desc_error: if (priv->phydev) phy_disconnect(priv->phydev); phy_error: diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 05a1674..22a7a43 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1867,7 +1867,7 @@ static int cpsw_probe(struct platform_device *pdev) while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { for (i = res->start; i <= res->end; i++) { - if (request_irq(i, cpsw_interrupt, IRQF_DISABLED, + if (request_irq(i, cpsw_interrupt, 0, dev_name(&pdev->dev), priv)) { dev_err(priv->dev, "error attaching irq\n"); goto clean_ale_ret; diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 07b176b..1a222bce 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1568,8 +1568,7 @@ static int emac_dev_open(struct net_device *ndev) while ((res = platform_get_resource(priv->pdev, IORESOURCE_IRQ, k))) { for (i = res->start; i <= res->end; i++) { if (devm_request_irq(&priv->pdev->dev, i, emac_irq, - IRQF_DISABLED, - ndev->name, ndev)) + 0, ndev->name, ndev)) goto rollback; } k++; diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index 1d6dc41..d01cacf 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -2100,7 +2100,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } - netif_rx(skb); + netif_receive_skb(skb); stats->rx_bytes += pkt_len; stats->rx_packets++; @@ -2884,6 +2884,7 @@ out: return ret; err_iounmap: + netif_napi_del(&vptr->napi); iounmap(regs); err_free_dev: free_netdev(netdev); @@ -2904,6 +2905,7 @@ static int velocity_remove(struct device *dev) struct velocity_info *vptr = netdev_priv(netdev); unregister_netdev(netdev); + netif_napi_del(&vptr->napi); iounmap(vptr->mac_regs); free_netdev(netdev); velocity_nics--; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 4dccead..23a0fff 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -431,8 +431,8 @@ static int netvsc_probe(struct hv_device *dev, net->netdev_ops = &device_ops; /* TODO: Add GSO and Checksum offload */ - net->hw_features = NETIF_F_SG; - net->features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX; + net->hw_features = 0; + net->features = NETIF_F_HW_VLAN_CTAG_TX; SET_ETHTOOL_OPS(net, ðtool_ops); SET_NETDEV_DEV(net, &dev->device); diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c index 51f2bc3..2dcc60f 100644 --- a/drivers/net/irda/via-ircc.c +++ b/drivers/net/irda/via-ircc.c @@ -210,8 +210,7 @@ static int via_init_one(struct pci_dev *pcidev, const struct pci_device_id *id) pci_write_config_byte(pcidev,0x42,(bTmp | 0xf0)); pci_write_config_byte(pcidev,0x5a,0xc0); WriteLPCReg(0x28, 0x70 ); - if (via_ircc_open(pcidev, &info, 0x3076) == 0) - rc=0; + rc = via_ircc_open(pcidev, &info, 0x3076); } else rc = -ENODEV; //IR not turn on } else { //Not VT1211 @@ -249,8 +248,7 @@ static int via_init_one(struct pci_dev *pcidev, const struct pci_device_id *id) info.irq=FirIRQ; info.dma=FirDRQ1; info.dma2=FirDRQ0; - if (via_ircc_open(pcidev, &info, 0x3096) == 0) - rc=0; + rc = via_ircc_open(pcidev, &info, 0x3096); } else rc = -ENODEV; //IR not turn on !!!!! }//Not VT1211 diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 18373b6..16b43bf 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -337,8 +337,11 @@ static int macvlan_open(struct net_device *dev) int err; if (vlan->port->passthru) { - if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) - dev_set_promiscuity(lowerdev, 1); + if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) { + err = dev_set_promiscuity(lowerdev, 1); + if (err < 0) + goto out; + } goto hash_add; } @@ -736,6 +739,10 @@ static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[]) return -EADDRNOTAVAIL; } + if (data && data[IFLA_MACVLAN_FLAGS] && + nla_get_u16(data[IFLA_MACVLAN_FLAGS]) & ~MACVLAN_FLAG_NOPROMISC) + return -EINVAL; + if (data && data[IFLA_MACVLAN_MODE]) { switch (nla_get_u32(data[IFLA_MACVLAN_MODE])) { case MACVLAN_MODE_PRIVATE: @@ -863,6 +870,18 @@ static int macvlan_changelink(struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct macvlan_dev *vlan = netdev_priv(dev); + enum macvlan_mode mode; + bool set_mode = false; + + /* Validate mode, but don't set yet: setting flags may fail. */ + if (data && data[IFLA_MACVLAN_MODE]) { + set_mode = true; + mode = nla_get_u32(data[IFLA_MACVLAN_MODE]); + /* Passthrough mode can't be set or cleared dynamically */ + if ((mode == MACVLAN_MODE_PASSTHRU) != + (vlan->mode == MACVLAN_MODE_PASSTHRU)) + return -EINVAL; + } if (data && data[IFLA_MACVLAN_FLAGS]) { __u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]); @@ -879,8 +898,8 @@ static int macvlan_changelink(struct net_device *dev, } vlan->flags = flags; } - if (data && data[IFLA_MACVLAN_MODE]) - vlan->mode = nla_get_u32(data[IFLA_MACVLAN_MODE]); + if (set_mode) + vlan->mode = mode; return 0; } diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c index 876c722..ea53abb 100644 --- a/drivers/net/macvtap.c +++ b/drivers/net/macvtap.c @@ -68,6 +68,8 @@ static const struct proto_ops macvtap_socket_ops; #define TUN_OFFLOADS (NETIF_F_HW_CSUM | NETIF_F_TSO_ECN | NETIF_F_TSO | \ NETIF_F_TSO6 | NETIF_F_UFO) #define RX_OFFLOADS (NETIF_F_GRO | NETIF_F_LRO) +#define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG) + /* * RCU usage: * The macvtap_queue and the macvlan_dev are loosely coupled, the @@ -278,7 +280,8 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb) { struct macvlan_dev *vlan = netdev_priv(dev); struct macvtap_queue *q = macvtap_get_queue(dev, skb); - netdev_features_t features; + netdev_features_t features = TAP_FEATURES; + if (!q) goto drop; @@ -287,9 +290,11 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb) skb->dev = dev; /* Apply the forward feature mask so that we perform segmentation - * according to users wishes. + * according to users wishes. This only works if VNET_HDR is + * enabled. */ - features = netif_skb_features(skb) & vlan->tap_features; + if (q->flags & IFF_VNET_HDR) + features |= vlan->tap_features; if (netif_needs_gso(skb, features)) { struct sk_buff *segs = __skb_gso_segment(skb, features, false); @@ -698,6 +703,28 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb, return 0; } +static unsigned long iov_pages(const struct iovec *iv, int offset, + unsigned long nr_segs) +{ + unsigned long seg, base; + int pages = 0, len, size; + + while (nr_segs && (offset >= iv->iov_len)) { + offset -= iv->iov_len; + ++iv; + --nr_segs; + } + + for (seg = 0; seg < nr_segs; seg++) { + base = (unsigned long)iv[seg].iov_base + offset; + len = iv[seg].iov_len - offset; + size = ((base & ~PAGE_MASK) + len + ~PAGE_MASK) >> PAGE_SHIFT; + pages += size; + offset = 0; + } + + return pages; +} /* Get packet from user space buffer */ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, @@ -744,31 +771,15 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, if (unlikely(count > UIO_MAXIOV)) goto err; - if (m && m->msg_control && sock_flag(&q->sk, SOCK_ZEROCOPY)) - zerocopy = true; - - if (zerocopy) { - /* Userspace may produce vectors with count greater than - * MAX_SKB_FRAGS, so we need to linearize parts of the skb - * to let the rest of data to be fit in the frags. - */ - if (count > MAX_SKB_FRAGS) { - copylen = iov_length(iv, count - MAX_SKB_FRAGS); - if (copylen < vnet_hdr_len) - copylen = 0; - else - copylen -= vnet_hdr_len; - } - /* There are 256 bytes to be copied in skb, so there is enough - * room for skb expand head in case it is used. - * The rest buffer is mapped from userspace. - */ - if (copylen < vnet_hdr.hdr_len) - copylen = vnet_hdr.hdr_len; - if (!copylen) - copylen = GOODCOPY_LEN; + if (m && m->msg_control && sock_flag(&q->sk, SOCK_ZEROCOPY)) { + copylen = vnet_hdr.hdr_len ? vnet_hdr.hdr_len : GOODCOPY_LEN; linear = copylen; - } else { + if (iov_pages(iv, vnet_hdr_len + copylen, count) + <= MAX_SKB_FRAGS) + zerocopy = true; + } + + if (!zerocopy) { copylen = len; linear = vnet_hdr.hdr_len; } @@ -780,9 +791,15 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, if (zerocopy) err = zerocopy_sg_from_iovec(skb, iv, vnet_hdr_len, count); - else + else { err = skb_copy_datagram_from_iovec(skb, 0, iv, vnet_hdr_len, len); + if (!err && m && m->msg_control) { + struct ubuf_info *uarg = m->msg_control; + uarg->callback(uarg, false); + } + } + if (err) goto err_kfree; @@ -806,10 +823,13 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m, skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; } - if (vlan) + if (vlan) { + local_bh_disable(); macvlan_start_xmit(skb, vlan->dev); - else + local_bh_enable(); + } else { kfree_skb(skb); + } rcu_read_unlock(); return total_len; @@ -873,7 +893,7 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, __be16 h_vlan_proto; __be16 h_vlan_TCI; } veth; - veth.h_vlan_proto = htons(ETH_P_8021Q); + veth.h_vlan_proto = skb->vlan_proto; veth.h_vlan_TCI = htons(vlan_tx_tag_get(skb)); vlan_offset = offsetof(struct vlan_ethhdr, h_vlan_proto); @@ -900,8 +920,11 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q, done: rcu_read_lock(); vlan = rcu_dereference(q->vlan); - if (vlan) + if (vlan) { + preempt_disable(); macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0); + preempt_enable(); + } rcu_read_unlock(); return ret ? ret : copied; @@ -1046,8 +1069,7 @@ static int set_offload(struct macvtap_queue *q, unsigned long arg) /* tap_features are the same as features on tun/tap and * reflect user expectations. */ - vlan->tap_features = vlan->dev->features & - (feature_mask | ~TUN_OFFLOADS); + vlan->tap_features = feature_mask; vlan->set_features = features; netdev_update_features(vlan->dev); @@ -1107,6 +1129,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, rtnl_lock(); ret = macvtap_ioctl_set_queue(file, u); rtnl_unlock(); + return ret; case TUNGETFEATURES: if (put_user(IFF_TAP | IFF_NO_PI | IFF_VNET_HDR | @@ -1142,10 +1165,6 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, TUN_F_TSO_ECN | TUN_F_UFO)) return -EINVAL; - /* TODO: only accept frames with the features that - got enabled for forwarded frames */ - if (!(q->flags & IFF_VNET_HDR)) - return -EINVAL; rtnl_lock(); ret = set_offload(q, arg); rtnl_unlock(); diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index 61d3f4e..7f25e49 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -40,7 +40,7 @@ struct sun4i_mdio_data { static int sun4i_mdio_read(struct mii_bus *bus, int mii_id, int regnum) { struct sun4i_mdio_data *data = bus->priv; - unsigned long start_jiffies; + unsigned long timeout_jiffies; int value; /* issue the phy address and reg */ @@ -49,10 +49,9 @@ static int sun4i_mdio_read(struct mii_bus *bus, int mii_id, int regnum) writel(0x1, data->membase + EMAC_MAC_MCMD_REG); /* Wait read complete */ - start_jiffies = jiffies; + timeout_jiffies = jiffies + MDIO_TIMEOUT; while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) { - if (time_after(start_jiffies, - start_jiffies + MDIO_TIMEOUT)) + if (time_is_before_jiffies(timeout_jiffies)) return -ETIMEDOUT; msleep(1); } @@ -69,7 +68,7 @@ static int sun4i_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value) { struct sun4i_mdio_data *data = bus->priv; - unsigned long start_jiffies; + unsigned long timeout_jiffies; /* issue the phy address and reg */ writel((mii_id << 8) | regnum, data->membase + EMAC_MAC_MADR_REG); @@ -77,10 +76,9 @@ static int sun4i_mdio_write(struct mii_bus *bus, int mii_id, int regnum, writel(0x1, data->membase + EMAC_MAC_MCMD_REG); /* Wait read complete */ - start_jiffies = jiffies; + timeout_jiffies = jiffies + MDIO_TIMEOUT; while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) { - if (time_after(start_jiffies, - start_jiffies + MDIO_TIMEOUT)) + if (time_is_before_jiffies(timeout_jiffies)) return -ETIMEDOUT; msleep(1); } diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 8e7af83..138de83 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -23,7 +23,7 @@ #define RTL821x_INER_INIT 0x6400 #define RTL821x_INSR 0x13 -#define RTL8211E_INER_LINK_STAT 0x10 +#define RTL8211E_INER_LINK_STATUS 0x400 MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); @@ -57,7 +57,7 @@ static int rtl8211e_config_intr(struct phy_device *phydev) if (phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, RTL821x_INER, - RTL8211E_INER_LINK_STAT); + RTL8211E_INER_LINK_STATUS); else err = phy_write(phydev, RTL821x_INER, 0); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 5cdcf92..71af122 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1035,6 +1035,29 @@ static int zerocopy_sg_from_iovec(struct sk_buff *skb, const struct iovec *from, return 0; } +static unsigned long iov_pages(const struct iovec *iv, int offset, + unsigned long nr_segs) +{ + unsigned long seg, base; + int pages = 0, len, size; + + while (nr_segs && (offset >= iv->iov_len)) { + offset -= iv->iov_len; + ++iv; + --nr_segs; + } + + for (seg = 0; seg < nr_segs; seg++) { + base = (unsigned long)iv[seg].iov_base + offset; + len = iv[seg].iov_len - offset; + size = ((base & ~PAGE_MASK) + len + ~PAGE_MASK) >> PAGE_SHIFT; + pages += size; + offset = 0; + } + + return pages; +} + /* Get packet from user space buffer */ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, void *msg_control, const struct iovec *iv, @@ -1051,8 +1074,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, u32 rxhash; if (!(tun->flags & TUN_NO_PI)) { - if ((len -= sizeof(pi)) > total_len) + if (len < sizeof(pi)) return -EINVAL; + len -= sizeof(pi); if (memcpy_fromiovecend((void *)&pi, iv, 0, sizeof(pi))) return -EFAULT; @@ -1060,8 +1084,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, } if (tun->flags & TUN_VNET_HDR) { - if ((len -= tun->vnet_hdr_sz) > total_len) + if (len < tun->vnet_hdr_sz) return -EINVAL; + len -= tun->vnet_hdr_sz; if (memcpy_fromiovecend((void *)&gso, iv, offset, sizeof(gso))) return -EFAULT; @@ -1082,32 +1107,18 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, return -EINVAL; } - if (msg_control) - zerocopy = true; - - if (zerocopy) { - /* Userspace may produce vectors with count greater than - * MAX_SKB_FRAGS, so we need to linearize parts of the skb - * to let the rest of data to be fit in the frags. - */ - if (count > MAX_SKB_FRAGS) { - copylen = iov_length(iv, count - MAX_SKB_FRAGS); - if (copylen < offset) - copylen = 0; - else - copylen -= offset; - } else - copylen = 0; - /* There are 256 bytes to be copied in skb, so there is enough - * room for skb expand head in case it is used. + if (msg_control) { + /* There are 256 bytes to be copied in skb, so there is + * enough room for skb expand head in case it is used. * The rest of the buffer is mapped from userspace. */ - if (copylen < gso.hdr_len) - copylen = gso.hdr_len; - if (!copylen) - copylen = GOODCOPY_LEN; + copylen = gso.hdr_len ? gso.hdr_len : GOODCOPY_LEN; linear = copylen; - } else { + if (iov_pages(iv, offset + copylen, count) <= MAX_SKB_FRAGS) + zerocopy = true; + } + + if (!zerocopy) { copylen = len; linear = gso.hdr_len; } @@ -1121,8 +1132,13 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, if (zerocopy) err = zerocopy_sg_from_iovec(skb, iv, offset, count); - else + else { err = skb_copy_datagram_from_iovec(skb, 0, iv, offset, len); + if (!err && msg_control) { + struct ubuf_info *uarg = msg_control; + uarg->callback(uarg, false); + } + } if (err) { tun->dev->stats.rx_dropped++; diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 1e3c302..2bc87e3 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1029,10 +1029,10 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.supports_gmii = 1; dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | @@ -1173,7 +1173,6 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) if (((skb->len + 8) % frame_size) == 0) tx_hdr2 |= 0x80008000; /* Enable padding */ - skb_linearize(skb); headroom = skb_headroom(skb); tailroom = skb_tailroom(skb); @@ -1317,10 +1316,10 @@ static int ax88179_reset(struct usbnet *dev) 1, 1, tmp); dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; dev->net->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_TSO; + NETIF_F_RXCSUM; /* Enable checksum offload */ *tmp = AX_RXCOE_IP | AX_RXCOE_TCP | AX_RXCOE_UDP | diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index cba1d46..86292e6 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -2816,13 +2816,16 @@ exit: static int hso_get_config_data(struct usb_interface *interface) { struct usb_device *usbdev = interface_to_usbdev(interface); - u8 config_data[17]; + u8 *config_data = kmalloc(17, GFP_KERNEL); u32 if_num = interface->altsetting->desc.bInterfaceNumber; s32 result; + if (!config_data) + return -ENOMEM; if (usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x86, 0xC0, 0, 0, config_data, 17, USB_CTRL_SET_TIMEOUT) != 0x11) { + kfree(config_data); return -EIO; } @@ -2873,6 +2876,7 @@ static int hso_get_config_data(struct usb_interface *interface) if (config_data[16] & 0x1) result |= HSO_INFO_CRC_BUG; + kfree(config_data); return result; } @@ -2886,6 +2890,11 @@ static int hso_probe(struct usb_interface *interface, struct hso_shared_int *shared_int; struct hso_device *tmp_dev = NULL; + if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) { + dev_err(&interface->dev, "Not our interface\n"); + return -ENODEV; + } + if_num = interface->altsetting->desc.bInterfaceNumber; /* Get the interface/port specification from either driver_info or from @@ -2895,10 +2904,6 @@ static int hso_probe(struct usb_interface *interface, else port_spec = hso_get_config_data(interface); - if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) { - dev_err(&interface->dev, "Not our interface\n"); - return -ENODEV; - } /* Check if we need to switch to alt interfaces prior to port * configuration */ if (interface->num_altsetting > 1) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index ee13f9e..11c51f2 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -344,17 +344,41 @@ static const int multicast_filter_limit = 32; static int get_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { - return usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), + int ret; + void *tmp; + + tmp = kmalloc(size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + ret = usb_control_msg(tp->udev, usb_rcvctrlpipe(tp->udev, 0), RTL8152_REQ_GET_REGS, RTL8152_REQT_READ, - value, index, data, size, 500); + value, index, tmp, size, 500); + + memcpy(data, tmp, size); + kfree(tmp); + + return ret; } static int set_registers(struct r8152 *tp, u16 value, u16 index, u16 size, void *data) { - return usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), + int ret; + void *tmp; + + tmp = kmalloc(size, GFP_KERNEL); + if (!tmp) + return -ENOMEM; + + memcpy(tmp, data, size); + + ret = usb_control_msg(tp->udev, usb_sndctrlpipe(tp->udev, 0), RTL8152_REQ_SET_REGS, RTL8152_REQT_WRITE, - value, index, data, size, 500); + value, index, tmp, size, 500); + + kfree(tmp); + return ret; } static int generic_ocp_read(struct r8152 *tp, u16 index, u16 size, @@ -490,37 +514,31 @@ int usb_ocp_write(struct r8152 *tp, u16 index, u16 byteen, u16 size, void *data) static u32 ocp_read_dword(struct r8152 *tp, u16 type, u16 index) { - u32 data; + __le32 data; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(data), &data, type); return __le32_to_cpu(data); } static void ocp_write_dword(struct r8152 *tp, u16 type, u16 index, u32 data) { - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); - else - usb_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(data), &data); + __le32 tmp = __cpu_to_le32(data); + + generic_ocp_write(tp, index, BYTE_EN_DWORD, sizeof(tmp), &tmp, type); } static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) { u32 data; + __le32 tmp; u8 shift = index & 2; index &= ~3; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - data = __le32_to_cpu(data); + data = __le32_to_cpu(tmp); data >>= (shift * 8); data &= 0xffff; @@ -529,7 +547,8 @@ static u16 ocp_read_word(struct r8152 *tp, u16 type, u16 index) static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) { - u32 tmp, mask = 0xffff; + u32 mask = 0xffff; + __le32 tmp; u16 byen = BYTE_EN_WORD; u8 shift = index & 2; @@ -542,34 +561,25 @@ static void ocp_write_word(struct r8152 *tp, u16 type, u16 index, u32 data) index &= ~3; } - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(tmp), &tmp); - else - usb_ocp_read(tp, index, sizeof(tmp), &tmp); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - tmp = __le32_to_cpu(tmp) & ~mask; - tmp |= data; - tmp = __cpu_to_le32(tmp); + data |= __le32_to_cpu(tmp) & ~mask; + tmp = __cpu_to_le32(data); - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); - else - usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); } static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) { u32 data; + __le32 tmp; u8 shift = index & 3; index &= ~3; - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(data), &data); - else - usb_ocp_read(tp, index, sizeof(data), &data); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - data = __le32_to_cpu(data); + data = __le32_to_cpu(tmp); data >>= (shift * 8); data &= 0xff; @@ -578,7 +588,8 @@ static u8 ocp_read_byte(struct r8152 *tp, u16 type, u16 index) static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) { - u32 tmp, mask = 0xff; + u32 mask = 0xff; + __le32 tmp; u16 byen = BYTE_EN_BYTE; u8 shift = index & 3; @@ -591,19 +602,12 @@ static void ocp_write_byte(struct r8152 *tp, u16 type, u16 index, u32 data) index &= ~3; } - if (type == MCU_TYPE_PLA) - pla_ocp_read(tp, index, sizeof(tmp), &tmp); - else - usb_ocp_read(tp, index, sizeof(tmp), &tmp); + generic_ocp_read(tp, index, sizeof(tmp), &tmp, type); - tmp = __le32_to_cpu(tmp) & ~mask; - tmp |= data; - tmp = __cpu_to_le32(tmp); + data |= __le32_to_cpu(tmp) & ~mask; + tmp = __cpu_to_le32(data); - if (type == MCU_TYPE_PLA) - pla_ocp_write(tp, index, byen, sizeof(tmp), &tmp); - else - usb_ocp_write(tp, index, byen, sizeof(tmp), &tmp); + generic_ocp_write(tp, index, byen, sizeof(tmp), &tmp, type); } static void r8152_mdio_write(struct r8152 *tp, u32 reg_addr, u32 value) @@ -685,21 +689,14 @@ static void ocp_reg_write(struct r8152 *tp, u16 addr, u16 data) static inline void set_ethernet_addr(struct r8152 *tp) { struct net_device *dev = tp->netdev; - u8 *node_id; - - node_id = kmalloc(sizeof(u8) * 8, GFP_KERNEL); - if (!node_id) { - netif_err(tp, probe, dev, "out of memory"); - return; - } + u8 node_id[8] = {0}; - if (pla_ocp_read(tp, PLA_IDR, sizeof(u8) * 8, node_id) < 0) + if (pla_ocp_read(tp, PLA_IDR, sizeof(node_id), node_id) < 0) netif_notice(tp, probe, dev, "inet addr fail\n"); else { memcpy(dev->dev_addr, node_id, dev->addr_len); memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); } - kfree(node_id); } static int rtl8152_set_mac_address(struct net_device *netdev, void *p) @@ -882,15 +879,10 @@ static void rtl8152_set_rx_mode(struct net_device *netdev) static void _rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - u32 tmp, *mc_filter; /* Multicast hash filter */ + u32 mc_filter[2]; /* Multicast hash filter */ + __le32 tmp[2]; u32 ocp_data; - mc_filter = kmalloc(sizeof(u32) * 2, GFP_KERNEL); - if (!mc_filter) { - netif_err(tp, link, netdev, "out of memory"); - return; - } - clear_bit(RTL8152_SET_RX_MODE, &tp->flags); netif_stop_queue(netdev); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); @@ -918,14 +910,12 @@ static void _rtl8152_set_rx_mode(struct net_device *netdev) } } - tmp = mc_filter[0]; - mc_filter[0] = __cpu_to_le32(swab32(mc_filter[1])); - mc_filter[1] = __cpu_to_le32(swab32(tmp)); + tmp[0] = __cpu_to_le32(swab32(mc_filter[1])); + tmp[1] = __cpu_to_le32(swab32(mc_filter[0])); - pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(u32) * 2, mc_filter); + pla_ocp_write(tp, PLA_MAR, BYTE_EN_DWORD, sizeof(tmp), tmp); ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); netif_wake_queue(netdev); - kfree(mc_filter); } static netdev_tx_t rtl8152_start_xmit(struct sk_buff *skb, diff --git a/drivers/net/usb/r815x.c b/drivers/net/usb/r815x.c index 8523922..2df2f4f 100644 --- a/drivers/net/usb/r815x.c +++ b/drivers/net/usb/r815x.c @@ -24,34 +24,43 @@ static int pla_read_word(struct usb_device *udev, u16 index) { - int data, ret; + int ret; u8 shift = index & 2; - __le32 ocp_data; + __le32 *tmp; + + tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; index &= ~3; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL815x_REQ_GET_REGS, RTL815x_REQT_READ, - index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data), - 500); + index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); if (ret < 0) - return ret; + goto out2; - data = __le32_to_cpu(ocp_data); - data >>= (shift * 8); - data &= 0xffff; + ret = __le32_to_cpu(*tmp); + ret >>= (shift * 8); + ret &= 0xffff; - return data; +out2: + kfree(tmp); + return ret; } static int pla_write_word(struct usb_device *udev, u16 index, u32 data) { - __le32 ocp_data; + __le32 *tmp; u32 mask = 0xffff; u16 byen = BYTE_EN_WORD; u8 shift = index & 2; int ret; + tmp = kmalloc(sizeof(*tmp), GFP_KERNEL); + if (!tmp) + return -ENOMEM; + data &= mask; if (shift) { @@ -63,19 +72,20 @@ static int pla_write_word(struct usb_device *udev, u16 index, u32 data) ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), RTL815x_REQ_GET_REGS, RTL815x_REQT_READ, - index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data), - 500); + index, MCU_TYPE_PLA, tmp, sizeof(*tmp), 500); if (ret < 0) - return ret; + goto out3; - data |= __le32_to_cpu(ocp_data) & ~mask; - ocp_data = __cpu_to_le32(data); + data |= __le32_to_cpu(*tmp) & ~mask; + *tmp = __cpu_to_le32(data); ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), RTL815x_REQ_SET_REGS, RTL815x_REQT_WRITE, - index, MCU_TYPE_PLA | byen, &ocp_data, - sizeof(ocp_data), 500); + index, MCU_TYPE_PLA | byen, tmp, sizeof(*tmp), + 500); +out3: + kfree(tmp); return ret; } @@ -116,11 +126,18 @@ out1: static int r815x_mdio_read(struct net_device *netdev, int phy_id, int reg) { struct usbnet *dev = netdev_priv(netdev); + int ret; if (phy_id != R815x_PHY_ID) return -EINVAL; - return ocp_reg_read(dev, BASE_MII + reg * 2); + if (usb_autopm_get_interface(dev->intf) < 0) + return -ENODEV; + + ret = ocp_reg_read(dev, BASE_MII + reg * 2); + + usb_autopm_put_interface(dev->intf); + return ret; } static @@ -131,7 +148,12 @@ void r815x_mdio_write(struct net_device *netdev, int phy_id, int reg, int val) if (phy_id != R815x_PHY_ID) return; + if (usb_autopm_get_interface(dev->intf) < 0) + return; + ocp_reg_write(dev, BASE_MII + reg * 2, val); + + usb_autopm_put_interface(dev->intf); } static int r8153_bind(struct usbnet *dev, struct usb_interface *intf) @@ -150,7 +172,7 @@ static int r8153_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.phy_id = R815x_PHY_ID; dev->mii.supports_gmii = 1; - return 0; + return status; } static int r8152_bind(struct usbnet *dev, struct usb_interface *intf) @@ -169,7 +191,7 @@ static int r8152_bind(struct usbnet *dev, struct usb_interface *intf) dev->mii.phy_id = R815x_PHY_ID; dev->mii.supports_gmii = 0; - return 0; + return status; } static const struct driver_info r8152_info = { diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index 75409748c..66ebbac 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -45,7 +45,6 @@ #define EEPROM_MAC_OFFSET (0x01) #define DEFAULT_TX_CSUM_ENABLE (true) #define DEFAULT_RX_CSUM_ENABLE (true) -#define DEFAULT_TSO_ENABLE (true) #define SMSC75XX_INTERNAL_PHY_ID (1) #define SMSC75XX_TX_OVERHEAD (8) #define MAX_RX_FIFO_SIZE (20 * 1024) @@ -1410,17 +1409,14 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write); - if (DEFAULT_TX_CSUM_ENABLE) { + if (DEFAULT_TX_CSUM_ENABLE) dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; - if (DEFAULT_TSO_ENABLE) - dev->net->features |= NETIF_F_SG | - NETIF_F_TSO | NETIF_F_TSO6; - } + if (DEFAULT_RX_CSUM_ENABLE) dev->net->features |= NETIF_F_RXCSUM; dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXCSUM; + NETIF_F_RXCSUM; ret = smsc75xx_wait_ready(dev, 0); if (ret < 0) { @@ -2200,8 +2196,6 @@ static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev, { u32 tx_cmd_a, tx_cmd_b; - skb_linearize(skb); - if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) { struct sk_buff *skb2 = skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags); diff --git a/drivers/net/veth.c b/drivers/net/veth.c index da86652..eee1f19 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -269,6 +269,7 @@ static void veth_setup(struct net_device *dev) dev->ethtool_ops = &veth_ethtool_ops; dev->features |= NETIF_F_LLTX; dev->features |= VETH_FEATURES; + dev->vlan_features = dev->features; dev->destructor = veth_dev_free; dev->hw_features = VETH_FEATURES; diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 0ba1e7e..767f7af 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -136,7 +136,8 @@ struct vxlan_dev { u32 flags; /* VXLAN_F_* below */ struct work_struct sock_work; - struct work_struct igmp_work; + struct work_struct igmp_join; + struct work_struct igmp_leave; unsigned long age_interval; struct timer_list age_timer; @@ -736,7 +737,6 @@ static bool vxlan_snoop(struct net_device *dev, return false; } - /* See if multicast group is already in use by other ID */ static bool vxlan_group_used(struct vxlan_net *vn, __be32 remote_ip) { @@ -770,12 +770,13 @@ static void vxlan_sock_release(struct vxlan_net *vn, struct vxlan_sock *vs) queue_work(vxlan_wq, &vs->del_work); } -/* Callback to update multicast group membership. - * Scheduled when vxlan goes up/down. +/* Callback to update multicast group membership when first VNI on + * multicast asddress is brought up + * Done as workqueue because ip_mc_join_group acquires RTNL. */ -static void vxlan_igmp_work(struct work_struct *work) +static void vxlan_igmp_join(struct work_struct *work) { - struct vxlan_dev *vxlan = container_of(work, struct vxlan_dev, igmp_work); + struct vxlan_dev *vxlan = container_of(work, struct vxlan_dev, igmp_join); struct vxlan_net *vn = net_generic(dev_net(vxlan->dev), vxlan_net_id); struct vxlan_sock *vs = vxlan->vn_sock; struct sock *sk = vs->sock->sk; @@ -785,10 +786,27 @@ static void vxlan_igmp_work(struct work_struct *work) }; lock_sock(sk); - if (vxlan_group_used(vn, vxlan->default_dst.remote_ip)) - ip_mc_join_group(sk, &mreq); - else - ip_mc_leave_group(sk, &mreq); + ip_mc_join_group(sk, &mreq); + release_sock(sk); + + vxlan_sock_release(vn, vs); + dev_put(vxlan->dev); +} + +/* Inverse of vxlan_igmp_join when last VNI is brought down */ +static void vxlan_igmp_leave(struct work_struct *work) +{ + struct vxlan_dev *vxlan = container_of(work, struct vxlan_dev, igmp_leave); + struct vxlan_net *vn = net_generic(dev_net(vxlan->dev), vxlan_net_id); + struct vxlan_sock *vs = vxlan->vn_sock; + struct sock *sk = vs->sock->sk; + struct ip_mreqn mreq = { + .imr_multiaddr.s_addr = vxlan->default_dst.remote_ip, + .imr_ifindex = vxlan->default_dst.remote_ifindex, + }; + + lock_sock(sk); + ip_mc_leave_group(sk, &mreq); release_sock(sk); vxlan_sock_release(vn, vs); @@ -1359,6 +1377,7 @@ static void vxlan_uninit(struct net_device *dev) /* Start ageing timer and join group when device is brought up */ static int vxlan_open(struct net_device *dev) { + struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_sock *vs = vxlan->vn_sock; @@ -1366,10 +1385,11 @@ static int vxlan_open(struct net_device *dev) if (!vs) return -ENOTCONN; - if (IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip))) { + if (IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip)) && + vxlan_group_used(vn, vxlan->default_dst.remote_ip)) { vxlan_sock_hold(vs); dev_hold(dev); - queue_work(vxlan_wq, &vxlan->igmp_work); + queue_work(vxlan_wq, &vxlan->igmp_join); } if (vxlan->age_interval) @@ -1400,13 +1420,15 @@ static void vxlan_flush(struct vxlan_dev *vxlan) /* Cleanup timer and forwarding table on shutdown */ static int vxlan_stop(struct net_device *dev) { + struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_sock *vs = vxlan->vn_sock; - if (vs && IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip))) { + if (vs && IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip)) && + ! vxlan_group_used(vn, vxlan->default_dst.remote_ip)) { vxlan_sock_hold(vs); dev_hold(dev); - queue_work(vxlan_wq, &vxlan->igmp_work); + queue_work(vxlan_wq, &vxlan->igmp_leave); } del_timer_sync(&vxlan->age_timer); @@ -1471,7 +1493,8 @@ static void vxlan_setup(struct net_device *dev) INIT_LIST_HEAD(&vxlan->next); spin_lock_init(&vxlan->hash_lock); - INIT_WORK(&vxlan->igmp_work, vxlan_igmp_work); + INIT_WORK(&vxlan->igmp_join, vxlan_igmp_join); + INIT_WORK(&vxlan->igmp_leave, vxlan_igmp_leave); INIT_WORK(&vxlan->sock_work, vxlan_sock_work); init_timer_deferrable(&vxlan->age_timer); @@ -1767,9 +1790,13 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, static void vxlan_dellink(struct net_device *dev, struct list_head *head) { + struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id); struct vxlan_dev *vxlan = netdev_priv(dev); + spin_lock(&vn->sock_lock); hlist_del_rcu(&vxlan->hlist); + spin_unlock(&vn->sock_lock); + list_del(&vxlan->next); unregister_netdevice_queue(dev, head); } @@ -1872,10 +1899,12 @@ static __net_exit void vxlan_exit_net(struct net *net) { struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_dev *vxlan; + LIST_HEAD(list); rtnl_lock(); list_for_each_entry(vxlan, &vn->vxlan_list, next) - dev_close(vxlan->dev); + unregister_netdevice_queue(vxlan->dev, &list); + unregister_netdevice_many(&list); rtnl_unlock(); } diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index ff7f111..36808bf 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -286,8 +286,7 @@ no_skb: break; } - __skb_fill_page_desc(skb, 0, page, 0, 0); - skb_shinfo(skb)->nr_frags = 1; + skb_add_rx_frag(skb, 0, page, 0, 0, PAGE_SIZE); __skb_queue_tail(&np->rx_batch, skb); } @@ -831,7 +830,6 @@ static RING_IDX xennet_fill_frags(struct netfront_info *np, struct sk_buff_head *list) { struct skb_shared_info *shinfo = skb_shinfo(skb); - int nr_frags = shinfo->nr_frags; RING_IDX cons = np->rx.rsp_cons; struct sk_buff *nskb; @@ -840,19 +838,21 @@ static RING_IDX xennet_fill_frags(struct netfront_info *np, RING_GET_RESPONSE(&np->rx, ++cons); skb_frag_t *nfrag = &skb_shinfo(nskb)->frags[0]; - __skb_fill_page_desc(skb, nr_frags, - skb_frag_page(nfrag), - rx->offset, rx->status); + if (shinfo->nr_frags == MAX_SKB_FRAGS) { + unsigned int pull_to = NETFRONT_SKB_CB(skb)->pull_to; - skb->data_len += rx->status; + BUG_ON(pull_to <= skb_headlen(skb)); + __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); + } + BUG_ON(shinfo->nr_frags >= MAX_SKB_FRAGS); + + skb_add_rx_frag(skb, shinfo->nr_frags, skb_frag_page(nfrag), + rx->offset, rx->status, PAGE_SIZE); skb_shinfo(nskb)->nr_frags = 0; kfree_skb(nskb); - - nr_frags++; } - shinfo->nr_frags = nr_frags; return cons; } @@ -933,7 +933,8 @@ static int handle_incoming_queue(struct net_device *dev, while ((skb = __skb_dequeue(rxq)) != NULL) { int pull_to = NETFRONT_SKB_CB(skb)->pull_to; - __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); + if (pull_to > skb_headlen(skb)) + __pskb_pull_tail(skb, pull_to - skb_headlen(skb)); /* Ethernet work: Delayed to here as it peeks the header. */ skb->protocol = eth_type_trans(skb, dev); @@ -1019,16 +1020,10 @@ err: skb_shinfo(skb)->frags[0].page_offset = rx->offset; skb_frag_size_set(&skb_shinfo(skb)->frags[0], rx->status); skb->data_len = rx->status; + skb->len += rx->status; i = xennet_fill_frags(np, skb, &tmpq); - /* - * Truesize is the actual allocation size, even if the - * allocation is only partially used. - */ - skb->truesize += PAGE_SIZE * skb_shinfo(skb)->nr_frags; - skb->len += skb->data_len; - if (rx->flags & XEN_NETRXF_csum_blank) skb->ip_summed = CHECKSUM_PARTIAL; else if (rx->flags & XEN_NETRXF_data_validated) |
