diff options
Diffstat (limited to 'drivers/net/ethernet')
28 files changed, 494 insertions, 280 deletions
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index 79ea35869e1e..90a76306ad0f 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -376,8 +376,13 @@ static int tse_rx(struct altera_tse_private *priv, int limit) u16 pktlength; u16 pktstatus; - while (((rxstatus = priv->dmaops->get_rx_status(priv)) != 0) && - (count < limit)) { + /* Check for count < limit first as get_rx_status is changing + * the response-fifo so we must process the next packet + * after calling get_rx_status if a response is pending. + * (reading the last byte of the response pops the value from the fifo.) + */ + while ((count < limit) && + ((rxstatus = priv->dmaops->get_rx_status(priv)) != 0)) { pktstatus = rxstatus >> 16; pktlength = rxstatus & 0xffff; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 4085c4b31047..355d5fea5be9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -531,20 +531,8 @@ struct bnx2x_fastpath { struct napi_struct napi; #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 */ -#define BNX2X_FP_STATE_POLL (1 << 1) /* poll owns this FP */ -#define BNX2X_FP_STATE_DISABLED (1 << 2) -#define BNX2X_FP_STATE_NAPI_YIELD (1 << 3) /* NAPI yielded this FP */ -#define BNX2X_FP_STATE_POLL_YIELD (1 << 4) /* poll yielded this FP */ -#define BNX2X_FP_OWNED (BNX2X_FP_STATE_NAPI | BNX2X_FP_STATE_POLL) -#define BNX2X_FP_YIELD (BNX2X_FP_STATE_NAPI_YIELD | BNX2X_FP_STATE_POLL_YIELD) -#define BNX2X_FP_LOCKED (BNX2X_FP_OWNED | BNX2X_FP_STATE_DISABLED) -#define BNX2X_FP_USER_PEND (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_POLL_YIELD) - /* protect state */ - spinlock_t lock; -#endif /* CONFIG_NET_RX_BUSY_POLL */ + unsigned long busy_poll_state; +#endif union host_hc_status_block status_blk; /* chip independent shortcuts into sb structure */ @@ -619,104 +607,83 @@ struct bnx2x_fastpath { #define bnx2x_fp_qstats(bp, fp) (&((bp)->fp_stats[(fp)->index].eth_q_stats)) #ifdef CONFIG_NET_RX_BUSY_POLL -static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) + +enum bnx2x_fp_state { + BNX2X_STATE_FP_NAPI = BIT(0), /* NAPI handler owns the queue */ + + BNX2X_STATE_FP_NAPI_REQ_BIT = 1, /* NAPI would like to own the queue */ + BNX2X_STATE_FP_NAPI_REQ = BIT(1), + + BNX2X_STATE_FP_POLL_BIT = 2, + BNX2X_STATE_FP_POLL = BIT(2), /* busy_poll owns the queue */ + + BNX2X_STATE_FP_DISABLE_BIT = 3, /* queue is dismantled */ +}; + +static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp) { - spin_lock_init(&fp->lock); - fp->state = BNX2X_FP_STATE_IDLE; + WRITE_ONCE(fp->busy_poll_state, 0); } /* called from the device poll routine to get ownership of a FP */ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) { - bool rc = true; - - spin_lock_bh(&fp->lock); - if (fp->state & BNX2X_FP_LOCKED) { - WARN_ON(fp->state & BNX2X_FP_STATE_NAPI); - fp->state |= BNX2X_FP_STATE_NAPI_YIELD; - rc = false; - } else { - /* we don't care if someone yielded */ - fp->state = BNX2X_FP_STATE_NAPI; + unsigned long prev, old = READ_ONCE(fp->busy_poll_state); + + while (1) { + switch (old) { + case BNX2X_STATE_FP_POLL: + /* make sure bnx2x_fp_lock_poll() wont starve us */ + set_bit(BNX2X_STATE_FP_NAPI_REQ_BIT, + &fp->busy_poll_state); + /* fallthrough */ + case BNX2X_STATE_FP_POLL | BNX2X_STATE_FP_NAPI_REQ: + return false; + default: + break; + } + prev = cmpxchg(&fp->busy_poll_state, old, BNX2X_STATE_FP_NAPI); + if (unlikely(prev != old)) { + old = prev; + continue; + } + return true; } - spin_unlock_bh(&fp->lock); - return rc; } -/* returns true is someone tried to get the FP while napi had it */ -static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) +static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) { - bool rc = false; - - spin_lock_bh(&fp->lock); - WARN_ON(fp->state & - (BNX2X_FP_STATE_POLL | BNX2X_FP_STATE_NAPI_YIELD)); - - if (fp->state & BNX2X_FP_STATE_POLL_YIELD) - rc = true; - - /* state ==> idle, unless currently disabled */ - fp->state &= BNX2X_FP_STATE_DISABLED; - spin_unlock_bh(&fp->lock); - return rc; + smp_wmb(); + fp->busy_poll_state = 0; } /* called from bnx2x_low_latency_poll() */ static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp) { - bool rc = true; - - spin_lock_bh(&fp->lock); - if ((fp->state & BNX2X_FP_LOCKED)) { - fp->state |= BNX2X_FP_STATE_POLL_YIELD; - rc = false; - } else { - /* preserve yield marks */ - fp->state |= BNX2X_FP_STATE_POLL; - } - spin_unlock_bh(&fp->lock); - return rc; + return cmpxchg(&fp->busy_poll_state, 0, BNX2X_STATE_FP_POLL) == 0; } -/* returns true if someone tried to get the FP while it was locked */ -static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) +static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) { - bool rc = false; - - spin_lock_bh(&fp->lock); - WARN_ON(fp->state & BNX2X_FP_STATE_NAPI); - - if (fp->state & BNX2X_FP_STATE_POLL_YIELD) - rc = true; - - /* state ==> idle, unless currently disabled */ - fp->state &= BNX2X_FP_STATE_DISABLED; - spin_unlock_bh(&fp->lock); - return rc; + smp_mb__before_atomic(); + clear_bit(BNX2X_STATE_FP_POLL_BIT, &fp->busy_poll_state); } -/* true if a socket is polling, even if it did not get the lock */ +/* true if a socket is polling */ static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) { - WARN_ON(!(fp->state & BNX2X_FP_OWNED)); - return fp->state & BNX2X_FP_USER_PEND; + return READ_ONCE(fp->busy_poll_state) & BNX2X_STATE_FP_POLL; } /* false if fp is currently owned */ static inline bool bnx2x_fp_ll_disable(struct bnx2x_fastpath *fp) { - int rc = true; - - spin_lock_bh(&fp->lock); - if (fp->state & BNX2X_FP_OWNED) - rc = false; - fp->state |= BNX2X_FP_STATE_DISABLED; - spin_unlock_bh(&fp->lock); + set_bit(BNX2X_STATE_FP_DISABLE_BIT, &fp->busy_poll_state); + return !bnx2x_fp_ll_polling(fp); - return rc; } #else -static inline void bnx2x_fp_init_lock(struct bnx2x_fastpath *fp) +static inline void bnx2x_fp_busy_poll_init(struct bnx2x_fastpath *fp) { } @@ -725,9 +692,8 @@ static inline bool bnx2x_fp_lock_napi(struct bnx2x_fastpath *fp) return true; } -static inline bool bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) +static inline void bnx2x_fp_unlock_napi(struct bnx2x_fastpath *fp) { - return false; } static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp) @@ -735,9 +701,8 @@ static inline bool bnx2x_fp_lock_poll(struct bnx2x_fastpath *fp) return false; } -static inline bool bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) +static inline void bnx2x_fp_unlock_poll(struct bnx2x_fastpath *fp) { - return false; } static inline bool bnx2x_fp_ll_polling(struct bnx2x_fastpath *fp) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 0a9faa134a9a..2f63467bce46 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1849,7 +1849,7 @@ static void bnx2x_napi_enable_cnic(struct bnx2x *bp) int i; for_each_rx_queue_cnic(bp, i) { - bnx2x_fp_init_lock(&bp->fp[i]); + bnx2x_fp_busy_poll_init(&bp->fp[i]); napi_enable(&bnx2x_fp(bp, i, napi)); } } @@ -1859,7 +1859,7 @@ static void bnx2x_napi_enable(struct bnx2x *bp) int i; for_each_eth_queue(bp, i) { - bnx2x_fp_init_lock(&bp->fp[i]); + bnx2x_fp_busy_poll_init(&bp->fp[i]); napi_enable(&bnx2x_fp(bp, i, napi)); } } @@ -3191,9 +3191,10 @@ static int bnx2x_poll(struct napi_struct *napi, int budget) } } + bnx2x_fp_unlock_napi(fp); + /* Fall out from the NAPI loop if needed */ - if (!bnx2x_fp_unlock_napi(fp) && - !(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) { + if (!(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp))) { /* No need to update SB for FCoE L2 ring as long as * it's connected to the default SB and the SB diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 6de054404156..803d91beec6f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1140,6 +1140,10 @@ static int set_filter_wr(struct adapter *adapter, int fidx) struct fw_filter_wr *fwr; unsigned int ftid; + skb = alloc_skb(sizeof(*fwr), GFP_KERNEL); + if (!skb) + return -ENOMEM; + /* If the new filter requires loopback Destination MAC and/or VLAN * rewriting then we need to allocate a Layer 2 Table (L2T) entry for * the filter. @@ -1147,19 +1151,21 @@ static int set_filter_wr(struct adapter *adapter, int fidx) if (f->fs.newdmac || f->fs.newvlan) { /* allocate L2T entry for new filter */ f->l2t = t4_l2t_alloc_switching(adapter->l2t); - if (f->l2t == NULL) + if (f->l2t == NULL) { + kfree_skb(skb); return -EAGAIN; + } if (t4_l2t_set_switching(adapter, f->l2t, f->fs.vlan, f->fs.eport, f->fs.dmac)) { cxgb4_l2t_release(f->l2t); f->l2t = NULL; + kfree_skb(skb); return -ENOMEM; } } ftid = adapter->tids.ftid_base + fidx; - skb = alloc_skb(sizeof(*fwr), GFP_KERNEL | __GFP_NOFAIL); fwr = (struct fw_filter_wr *)__skb_put(skb, sizeof(*fwr)); memset(fwr, 0, sizeof(*fwr)); @@ -1257,7 +1263,10 @@ static int del_filter_wr(struct adapter *adapter, int fidx) len = sizeof(*fwr); ftid = adapter->tids.ftid_base + fidx; - skb = alloc_skb(len, GFP_KERNEL | __GFP_NOFAIL); + skb = alloc_skb(len, GFP_KERNEL); + if (!skb) + return -ENOMEM; + fwr = (struct fw_filter_wr *)__skb_put(skb, len); t4_mk_filtdelwr(ftid, fwr, adapter->sge.fw_evtq.abs_id); diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index b72d238695d7..3b39fdddeb57 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -413,6 +413,15 @@ out: return count; } +static void hip04_start_tx_timer(struct hip04_priv *priv) +{ + unsigned long ns = priv->tx_coalesce_usecs * NSEC_PER_USEC / 2; + + /* allow timer to fire after half the time at the earliest */ + hrtimer_start_range_ns(&priv->tx_coalesce_timer, ns_to_ktime(ns), + ns, HRTIMER_MODE_REL); +} + static int hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) { struct hip04_priv *priv = netdev_priv(ndev); @@ -466,8 +475,7 @@ static int hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) } } else if (!hrtimer_is_queued(&priv->tx_coalesce_timer)) { /* cleanup not pending yet, start a new timer */ - hrtimer_start_expires(&priv->tx_coalesce_timer, - HRTIMER_MODE_REL); + hip04_start_tx_timer(priv); } return NETDEV_TX_OK; @@ -549,7 +557,7 @@ done: /* clean up tx descriptors and start a new timer if necessary */ tx_remaining = hip04_tx_reclaim(ndev, false); if (rx < budget && tx_remaining) - hrtimer_start_expires(&priv->tx_coalesce_timer, HRTIMER_MODE_REL); + hip04_start_tx_timer(priv); return rx; } @@ -809,7 +817,6 @@ static int hip04_mac_probe(struct platform_device *pdev) struct hip04_priv *priv; struct resource *res; unsigned int irq; - ktime_t txtime; int ret; ndev = alloc_etherdev(sizeof(struct hip04_priv)); @@ -846,9 +853,6 @@ static int hip04_mac_probe(struct platform_device *pdev) */ priv->tx_coalesce_frames = TX_DESC_NUM * 3 / 4; priv->tx_coalesce_usecs = 200; - /* allow timer to fire after half the time at the earliest */ - txtime = ktime_set(0, priv->tx_coalesce_usecs * NSEC_PER_USEC / 2); - hrtimer_set_expires_range(&priv->tx_coalesce_timer, txtime, txtime); priv->tx_coalesce_timer.function = tx_done; priv->map = syscon_node_to_regmap(arg.np); diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index d596f6624025..0bae22da014d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -2397,6 +2397,7 @@ i40e_aq_erase_nvm_exit: #define I40E_DEV_FUNC_CAP_LED 0x61 #define I40E_DEV_FUNC_CAP_SDP 0x62 #define I40E_DEV_FUNC_CAP_MDIO 0x63 +#define I40E_DEV_FUNC_CAP_WR_CSR_PROT 0x64 /** * i40e_parse_discover_capabilities @@ -2541,11 +2542,18 @@ static void i40e_parse_discover_capabilities(struct i40e_hw *hw, void *buff, p->fd_filters_guaranteed = number; p->fd_filters_best_effort = logical_id; break; + case I40E_DEV_FUNC_CAP_WR_CSR_PROT: + p->wr_csr_prot = (u64)number; + p->wr_csr_prot |= (u64)logical_id << 32; + break; default: break; } } + if (p->fcoe) + i40e_debug(hw, I40E_DEBUG_ALL, "device is FCoE capable\n"); + /* Software override ensuring FCoE is disabled if npar or mfp * mode because it is not supported in these modes. */ @@ -3503,6 +3511,63 @@ void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status) } /** + * i40e_aq_debug_dump + * @hw: pointer to the hardware structure + * @cluster_id: specific cluster to dump + * @table_id: table id within cluster + * @start_index: index of line in the block to read + * @buff_size: dump buffer size + * @buff: dump buffer + * @ret_buff_size: actual buffer size returned + * @ret_next_table: next block to read + * @ret_next_index: next index to read + * + * Dump internal FW/HW data for debug purposes. + * + **/ +i40e_status i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id, + u8 table_id, u32 start_index, u16 buff_size, + void *buff, u16 *ret_buff_size, + u8 *ret_next_table, u32 *ret_next_index, + struct i40e_asq_cmd_details *cmd_details) +{ + struct i40e_aq_desc desc; + struct i40e_aqc_debug_dump_internals *cmd = + (struct i40e_aqc_debug_dump_internals *)&desc.params.raw; + struct i40e_aqc_debug_dump_internals *resp = + (struct i40e_aqc_debug_dump_internals *)&desc.params.raw; + i40e_status status; + + if (buff_size == 0 || !buff) + return I40E_ERR_PARAM; + + i40e_fill_default_direct_cmd_desc(&desc, + i40e_aqc_opc_debug_dump_internals); + /* Indirect Command */ + desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_BUF); + if (buff_size > I40E_AQ_LARGE_BUF) + desc.flags |= cpu_to_le16((u16)I40E_AQ_FLAG_LB); + + cmd->cluster_id = cluster_id; + cmd->table_id = table_id; + cmd->idx = cpu_to_le32(start_index); + + desc.datalen = cpu_to_le16(buff_size); + + status = i40e_asq_send_command(hw, &desc, buff, buff_size, cmd_details); + if (!status) { + if (ret_buff_size) + *ret_buff_size = le16_to_cpu(desc.datalen); + if (ret_next_table) + *ret_next_table = resp->table_id; + if (ret_next_index) + *ret_next_index = le32_to_cpu(resp->idx); + } + + return status; +} + +/** * i40e_read_bw_from_alt_ram * @hw: pointer to the hardware structure * @max_bw: pointer for max_bw read diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.c b/drivers/net/ethernet/intel/i40e/i40e_dcb.c index 6e1466756760..2547aa21b2ca 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_dcb.c +++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.c @@ -419,7 +419,7 @@ static void i40e_cee_to_dcb_v1_config( { u16 status, tlv_status = le16_to_cpu(cee_cfg->tlv_status); u16 app_prio = le16_to_cpu(cee_cfg->oper_app_prio); - u8 i, tc, err, sync, oper; + u8 i, tc, err; /* CEE PG data to ETS config */ dcbcfg->etscfg.maxtcs = cee_cfg->oper_num_tc; @@ -456,9 +456,7 @@ static void i40e_cee_to_dcb_v1_config( status = (tlv_status & I40E_AQC_CEE_APP_STATUS_MASK) >> I40E_AQC_CEE_APP_STATUS_SHIFT; err = (status & I40E_TLV_STATUS_ERR) ? 1 : 0; - sync = (status & I40E_TLV_STATUS_SYNC) ? 1 : 0; - oper = (status & I40E_TLV_STATUS_OPER) ? 1 : 0; - /* Add APPs if Error is False and Oper/Sync is True */ + /* Add APPs if Error is False */ if (!err) { /* CEE operating configuration supports FCoE/iSCSI/FIP only */ dcbcfg->numapps = I40E_CEE_OPER_MAX_APPS; diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index daa88263af66..34170eabca7d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -1388,6 +1388,50 @@ static ssize_t i40e_dbg_command_write(struct file *filp, r_cfg->app[i].selector, r_cfg->app[i].protocolid); } + } else if (strncmp(&cmd_buf[5], "debug fwdata", 12) == 0) { + int cluster_id, table_id; + int index, ret; + u16 buff_len = 4096; + u32 next_index; + u8 next_table; + u8 *buff; + u16 rlen; + + cnt = sscanf(&cmd_buf[18], "%i %i %i", + &cluster_id, &table_id, &index); + if (cnt != 3) { + dev_info(&pf->pdev->dev, + "dump debug fwdata <cluster_id> <table_id> <index>\n"); + goto command_write_done; + } + + dev_info(&pf->pdev->dev, + "AQ debug dump fwdata params %x %x %x %x\n", + cluster_id, table_id, index, buff_len); + buff = kzalloc(buff_len, GFP_KERNEL); + if (!buff) + goto command_write_done; + + ret = i40e_aq_debug_dump(&pf->hw, cluster_id, table_id, + index, buff_len, buff, &rlen, + &next_table, &next_index, + NULL); + if (ret) { + dev_info(&pf->pdev->dev, + "debug dump fwdata AQ Failed %d 0x%x\n", + ret, pf->hw.aq.asq_last_status); + kfree(buff); + buff = NULL; + goto command_write_done; + } + dev_info(&pf->pdev->dev, + "AQ debug dump fwdata rlen=0x%x next_table=0x%x next_index=0x%x\n", + rlen, next_table, next_index); + print_hex_dump(KERN_INFO, "AQ buffer WB: ", + DUMP_PREFIX_OFFSET, 16, 1, + buff, rlen, true); + kfree(buff); + buff = NULL; } else { dev_info(&pf->pdev->dev, "dump desc tx <vsi_seid> <ring_id> [<desc_n>], dump desc rx <vsi_seid> <ring_id> [<desc_n>],\n"); @@ -1903,6 +1947,7 @@ static ssize_t i40e_dbg_command_write(struct file *filp, dev_info(&pf->pdev->dev, " dump desc rx <vsi_seid> <ring_id> [<desc_n>]\n"); dev_info(&pf->pdev->dev, " dump desc aq\n"); dev_info(&pf->pdev->dev, " dump reset stats\n"); + dev_info(&pf->pdev->dev, " dump debug fwdata <cluster_id> <table_id> <index>\n"); dev_info(&pf->pdev->dev, " msg_enable [level]\n"); dev_info(&pf->pdev->dev, " read <reg>\n"); dev_info(&pf->pdev->dev, " write <reg> <value>\n"); diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index c848b1862512..4cbaaeb902c4 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -356,8 +356,7 @@ static void i40e_get_settings_link_up(struct i40e_hw *hw, /* Set speed and duplex */ switch (link_speed) { case I40E_LINK_SPEED_40GB: - /* need a SPEED_40000 in ethtool.h */ - ethtool_cmd_speed_set(ecmd, 40000); + ethtool_cmd_speed_set(ecmd, SPEED_40000); break; case I40E_LINK_SPEED_20GB: ethtool_cmd_speed_set(ecmd, SPEED_20000); @@ -1914,6 +1913,16 @@ static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, else fsp->ring_cookie = rule->q_index; + if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) { + struct i40e_vsi *vsi; + + vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi); + if (vsi && vsi->type == I40E_VSI_SRIOV) { + fsp->h_ext.data[1] = htonl(vsi->vf_id); + fsp->m_ext.data[1] = htonl(0x1); + } + } + return 0; } @@ -2207,6 +2216,7 @@ static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, struct i40e_fdir_filter *input; struct i40e_pf *pf; int ret = -EINVAL; + u16 vf_id; if (!vsi) return -EINVAL; @@ -2267,7 +2277,22 @@ static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi, input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src; input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst; + if (ntohl(fsp->m_ext.data[1])) { + if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) { + netif_info(pf, drv, vsi->netdev, "Invalid VF id\n"); + goto free_input; + } + vf_id = ntohl(fsp->h_ext.data[1]); + /* Find vsi id from vf id and override dest vsi */ + input->dest_vsi = pf->vf[vf_id].lan_vsi_id; + if (input->q_index >= pf->vf[vf_id].num_queue_pairs) { + netif_info(pf, drv, vsi->netdev, "Invalid queue id\n"); + goto free_input; + } + } + ret = i40e_add_del_fdir(vsi, input, true); +free_input: if (ret) kfree(input); else diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 63de3f4b7a94..24481cd7e59a 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -39,7 +39,7 @@ static const char i40e_driver_string[] = #define DRV_VERSION_MAJOR 1 #define DRV_VERSION_MINOR 3 -#define DRV_VERSION_BUILD 1 +#define DRV_VERSION_BUILD 2 #define DRV_VERSION __stringify(DRV_VERSION_MAJOR) "." \ __stringify(DRV_VERSION_MINOR) "." \ __stringify(DRV_VERSION_BUILD) DRV_KERN @@ -7301,7 +7301,7 @@ err_out: * i40e_init_interrupt_scheme - Determine proper interrupt scheme * @pf: board private structure to initialize **/ -static void i40e_init_interrupt_scheme(struct i40e_pf *pf) +static int i40e_init_interrupt_scheme(struct i40e_pf *pf) { int vectors = 0; ssize_t size; @@ -7343,11 +7343,17 @@ static void i40e_init_interrupt_scheme(struct i40e_pf *pf) /* set up vector assignment tracking */ size = sizeof(struct i40e_lump_tracking) + (sizeof(u16) * vectors); pf->irq_pile = kzalloc(size, GFP_KERNEL); + if (!pf->irq_pile) { + dev_err(&pf->pdev->dev, "error allocating irq_pile memory\n"); + return -ENOMEM; + } pf->irq_pile->num_entries = vectors; pf->irq_pile->search_hint = 0; - /* track first vector for misc interrupts */ + /* track first vector for misc interrupts, ignore return */ (void)i40e_get_lump(pf, pf->irq_pile, 1, I40E_PILE_VALID_BIT - 1); + + return 0; } /** @@ -9827,7 +9833,9 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* set up the main switch operations */ i40e_determine_queue_usage(pf); - i40e_init_interrupt_scheme(pf); + err = i40e_init_interrupt_scheme(pf); + if (err) + goto err_switch_setup; /* The number of VSIs reported by the FW is the minimum guaranteed * to us; HW supports far more and we share the remaining pool with diff --git a/drivers/net/ethernet/intel/i40e/i40e_nvm.c b/drivers/net/ethernet/intel/i40e/i40e_nvm.c index e49acd2accd3..554e49d02683 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_nvm.c +++ b/drivers/net/ethernet/intel/i40e/i40e_nvm.c @@ -821,13 +821,12 @@ static enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw, int *errno) { enum i40e_nvmupd_cmd upd_cmd; - u8 transaction, module; + u8 transaction; /* anything that doesn't match a recognized case is an error */ upd_cmd = I40E_NVMUPD_INVALID; transaction = i40e_nvmupd_get_transaction(cmd->config); - module = i40e_nvmupd_get_module(cmd->config); /* limits on data size */ if ((cmd->data_size < 1) || diff --git a/drivers/net/ethernet/intel/i40e/i40e_prototype.h b/drivers/net/ethernet/intel/i40e/i40e_prototype.h index fea0d37ecc72..7b34f1e660ea 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_prototype.h +++ b/drivers/net/ethernet/intel/i40e/i40e_prototype.h @@ -303,4 +303,9 @@ i40e_status i40e_aq_add_rem_control_packet_filter(struct i40e_hw *hw, u16 vsi_seid, u16 queue, bool is_add, struct i40e_control_filter_stats *stats, struct i40e_asq_cmd_details *cmd_details); +i40e_status i40e_aq_debug_dump(struct i40e_hw *hw, u8 cluster_id, + u8 table_id, u32 start_index, u16 buff_size, + void *buff, u16 *ret_buff_size, + u8 *ret_next_table, u32 *ret_next_index, + struct i40e_asq_cmd_details *cmd_details); #endif /* _I40E_PROTOTYPE_H_ */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_type.h b/drivers/net/ethernet/intel/i40e/i40e_type.h index 67c7bc9e9c21..568e855da0f3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_type.h +++ b/drivers/net/ethernet/intel/i40e/i40e_type.h @@ -242,6 +242,7 @@ struct i40e_hw_capabilities { u8 rx_buf_chain_len; u32 enabled_tcmap; u32 maxtc; + u64 wr_csr_prot; }; struct i40e_mac_info { diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 4d69e1f04901..78d1c4ff565e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -26,6 +26,129 @@ #include "i40e.h" +/*********************notification routines***********************/ + +/** + * i40e_vc_vf_broadcast + * @pf: pointer to the PF structure + * @opcode: operation code + * @retval: return value + * @msg: pointer to the msg buffer + * @msglen: msg length + * + * send a message to all VFs on a given PF + **/ +static void i40e_vc_vf_broadcast(struct i40e_pf *pf, + enum i40e_virtchnl_ops v_opcode, + i40e_status v_retval, u8 *msg, + u16 msglen) +{ + struct i40e_hw *hw = &pf->hw; + struct i40e_vf *vf = pf->vf; + int i; + + for (i = 0; i < pf->num_alloc_vfs; i++, vf++) { + int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; + /* Not all vfs are enabled so skip the ones that are not */ + if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) && + !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) + continue; + + /* Ignore return value on purpose - a given VF may fail, but + * we need to keep going and send to all of them + */ + i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, + msg, msglen, NULL); + } +} + +/** + * i40e_vc_notify_link_state + * @vf: pointer to the VF structure + * + * send a link status message to a single VF + **/ +static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf) +{ + struct i40e_virtchnl_pf_event pfe; + struct i40e_pf *pf = vf->pf; + struct i40e_hw *hw = &pf->hw; + struct i40e_link_status *ls = &pf->hw.phy.link_info; + int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; + + pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; + pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; + if (vf->link_forced) { + pfe.event_data.link_event.link_status = vf->link_up; + pfe.event_data.link_event.link_speed = + (vf->link_up ? I40E_LINK_SPEED_40GB : 0); + } else { + pfe.event_data.link_event.link_status = + ls->link_info & I40E_AQ_LINK_UP; + pfe.event_data.link_event.link_speed = ls->link_speed; + } + i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, + 0, (u8 *)&pfe, sizeof(pfe), NULL); +} + +/** + * i40e_vc_notify_link_state + * @pf: pointer to the PF structure + * + * send a link status message to all VFs on a given PF + **/ +void i40e_vc_notify_link_state(struct i40e_pf *pf) +{ + int i; + + for (i = 0; i < pf->num_alloc_vfs; i++) + i40e_vc_notify_vf_link_state(&pf->vf[i]); +} + +/** + * i40e_vc_notify_reset + * @pf: pointer to the PF structure + * + * indicate a pending reset to all VFs on a given PF + **/ +void i40e_vc_notify_reset(struct i40e_pf *pf) +{ + struct i40e_virtchnl_pf_event pfe; + + pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; + pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; + i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, 0, + (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event)); +} + +/** + * i40e_vc_notify_vf_reset + * @vf: pointer to the VF structure + * + * indicate a pending reset to the given VF + **/ +void i40e_vc_notify_vf_reset(struct i40e_vf *vf) +{ + struct i40e_virtchnl_pf_event pfe; + int abs_vf_id; + + /* validate the request */ + if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) + return; + + /* verify if the VF is in either init or active before proceeding */ + if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) && + !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) + return; + + abs_vf_id = vf->vf_id + vf->pf->hw.func_caps.vf_base_id; + + pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; + pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; + i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, + 0, (u8 *)&pfe, + sizeof(struct i40e_virtchnl_pf_event), NULL); +} /***********************misc routines*****************************/ /** @@ -689,6 +812,9 @@ void i40e_reset_vf(struct i40e_vf *vf, bool flr) } } + if (flr) + usleep_range(10000, 20000); + if (!rsd) dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", vf->vf_id); @@ -733,6 +859,11 @@ void i40e_free_vfs(struct i40e_pf *pf) while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) usleep_range(1000, 2000); + for (i = 0; i < pf->num_alloc_vfs; i++) + if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) + i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx], + false); + /* Disable IOV before freeing resources. This lets any VF drivers * running in the host get themselves cleaned up before we yank * the carpet out from underneath their feet. @@ -1762,6 +1893,7 @@ int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, break; case I40E_VIRTCHNL_OP_ENABLE_QUEUES: ret = i40e_vc_enable_queues_msg(vf, msg, msglen); + i40e_vc_notify_vf_link_state(vf); break; case I40E_VIRTCHNL_OP_DISABLE_QUEUES: ret = i40e_vc_disable_queues_msg(vf, msg, msglen); @@ -1835,118 +1967,6 @@ int i40e_vc_process_vflr_event(struct i40e_pf *pf) } /** - * i40e_vc_vf_broadcast - * @pf: pointer to the PF structure - * @opcode: operation code - * @retval: return value - * @msg: pointer to the msg buffer - * @msglen: msg length - * - * send a message to all VFs on a given PF - **/ -static void i40e_vc_vf_broadcast(struct i40e_pf *pf, - enum i40e_virtchnl_ops v_opcode, - i40e_status v_retval, u8 *msg, - u16 msglen) -{ - struct i40e_hw *hw = &pf->hw; - struct i40e_vf *vf = pf->vf; - int i; - - for (i = 0; i < pf->num_alloc_vfs; i++, vf++) { - int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; - /* Not all VFs are enabled so skip the ones that are not */ - if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) && - !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) - continue; - - /* Ignore return value on purpose - a given VF may fail, but - * we need to keep going and send to all of them - */ - i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, - msg, msglen, NULL); - } -} - -/** - * i40e_vc_notify_link_state - * @pf: pointer to the PF structure - * - * send a link status message to all VFs on a given PF - **/ -void i40e_vc_notify_link_state(struct i40e_pf *pf) -{ - struct i40e_virtchnl_pf_event pfe; - struct i40e_hw *hw = &pf->hw; - struct i40e_vf *vf = pf->vf; - struct i40e_link_status *ls = &pf->hw.phy.link_info; - int i; - - pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; - pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; - for (i = 0; i < pf->num_alloc_vfs; i++, vf++) { - int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; - if (vf->link_forced) { - pfe.event_data.link_event.link_status = vf->link_up; - pfe.event_data.link_event.link_speed = - (vf->link_up ? I40E_LINK_SPEED_40GB : 0); - } else { - pfe.event_data.link_event.link_status = - ls->link_info & I40E_AQ_LINK_UP; - pfe.event_data.link_event.link_speed = ls->link_speed; - } - i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, - 0, (u8 *)&pfe, sizeof(pfe), - NULL); - } -} - -/** - * i40e_vc_notify_reset - * @pf: pointer to the PF structure - * - * indicate a pending reset to all VFs on a given PF - **/ -void i40e_vc_notify_reset(struct i40e_pf *pf) -{ - struct i40e_virtchnl_pf_event pfe; - - pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; - pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; - i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS, - (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event)); -} - -/** - * i40e_vc_notify_vf_reset - * @vf: pointer to the VF structure - * - * indicate a pending reset to the given VF - **/ -void i40e_vc_notify_vf_reset(struct i40e_vf *vf) -{ - struct i40e_virtchnl_pf_event pfe; - int abs_vf_id; - - /* validate the request */ - if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) - return; - - /* verify if the VF is in either init or active before proceeding */ - if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) && - !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) - return; - - abs_vf_id = vf->vf_id + vf->pf->hw.func_caps.vf_base_id; - - pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; - pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; - i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, - I40E_SUCCESS, (u8 *)&pfe, - sizeof(struct i40e_virtchnl_pf_event), NULL); -} - -/** * i40e_ndo_set_vf_mac * @netdev: network interface device structure * @vf_id: VF identifier diff --git a/drivers/net/ethernet/intel/i40evf/i40e_type.h b/drivers/net/ethernet/intel/i40evf/i40e_type.h index 9c79cb6abb2b..ec9d83a93379 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_type.h +++ b/drivers/net/ethernet/intel/i40evf/i40e_type.h @@ -242,6 +242,7 @@ struct i40e_hw_capabilities { u8 rx_buf_chain_len; u32 enabled_tcmap; u32 maxtc; + u64 wr_csr_prot; }; struct i40e_mac_info { diff --git a/drivers/net/ethernet/intel/i40evf/i40evf.h b/drivers/net/ethernet/intel/i40evf/i40evf.h index 34c8565031f6..1b98c25b3092 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf.h +++ b/drivers/net/ethernet/intel/i40evf/i40evf.h @@ -225,7 +225,6 @@ struct i40evf_adapter { #define I40E_FLAG_RX_CSUM_ENABLED I40EVF_FLAG_RX_CSUM_ENABLED /* flags for admin queue service task */ u32 aq_required; - u32 aq_pending; #define I40EVF_FLAG_AQ_ENABLE_QUEUES (u32)(1) #define I40EVF_FLAG_AQ_DISABLE_QUEUES (u32)(1 << 1) #define I40EVF_FLAG_AQ_ADD_MAC_FILTER (u32)(1 << 2) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 6d5f3b21c68a..7c53aca4b5a6 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1008,7 +1008,6 @@ void i40evf_down(struct i40evf_adapter *adapter) adapter->state != __I40EVF_RESETTING) { /* cancel any current operation */ adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN; - adapter->aq_pending = 0; /* Schedule operations to close down the HW. Don't wait * here for this to complete. The watchdog is still running * and it will take care of this. @@ -1335,7 +1334,6 @@ static void i40evf_watchdog_task(struct work_struct *work) */ return; } - adapter->aq_pending = 0; adapter->aq_required = 0; adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN; goto watchdog_done; @@ -1355,7 +1353,6 @@ static void i40evf_watchdog_task(struct work_struct *work) adapter->flags |= I40EVF_FLAG_RESET_PENDING; dev_err(&adapter->pdev->dev, "Hardware reset detected\n"); schedule_work(&adapter->reset_task); - adapter->aq_pending = 0; adapter->aq_required = 0; adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN; goto watchdog_done; @@ -1364,7 +1361,7 @@ static void i40evf_watchdog_task(struct work_struct *work) /* Process admin queue tasks. After init, everything gets done * here so we don't race on the admin queue. */ - if (adapter->aq_pending) { + if (adapter->current_op) { if (!i40evf_asq_done(hw)) { dev_dbg(&adapter->pdev->dev, "Admin queue timeout\n"); i40evf_send_api_ver(adapter); @@ -2029,7 +2026,7 @@ static void i40evf_init_task(struct work_struct *work) if (err) { dev_err(&pdev->dev, "Failed to set MAC type (%d)\n", err); - goto err; + goto err; } err = i40evf_check_reset_complete(hw); if (err) { @@ -2249,7 +2246,6 @@ static void i40evf_shutdown(struct pci_dev *pdev) /* Prevent the watchdog from running. */ adapter->state = __I40EVF_REMOVE; adapter->aq_required = 0; - adapter->aq_pending = 0; #ifdef CONFIG_PM pci_save_state(pdev); @@ -2467,7 +2463,6 @@ static void i40evf_remove(struct pci_dev *pdev) /* Shut down all the garbage mashers on the detention level */ adapter->state = __I40EVF_REMOVE; adapter->aq_required = 0; - adapter->aq_pending = 0; i40evf_request_reset(adapter); msleep(20); /* If the FW isn't responding, kick it once, but only once. */ diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c index 4240a496dc50..61e090558f31 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_virtchnl.c @@ -250,7 +250,6 @@ void i40evf_configure_queues(struct i40evf_adapter *adapter) vqpi++; } - adapter->aq_pending |= I40EVF_FLAG_AQ_CONFIGURE_QUEUES; adapter->aq_required &= ~I40EVF_FLAG_AQ_CONFIGURE_QUEUES; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, (u8 *)vqci, len); @@ -277,7 +276,6 @@ void i40evf_enable_queues(struct i40evf_adapter *adapter) vqs.vsi_id = adapter->vsi_res->vsi_id; vqs.tx_queues = (1 << adapter->num_active_queues) - 1; vqs.rx_queues = vqs.tx_queues; - adapter->aq_pending |= I40EVF_FLAG_AQ_ENABLE_QUEUES; adapter->aq_required &= ~I40EVF_FLAG_AQ_ENABLE_QUEUES; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_ENABLE_QUEUES, (u8 *)&vqs, sizeof(vqs)); @@ -303,7 +301,6 @@ void i40evf_disable_queues(struct i40evf_adapter *adapter) vqs.vsi_id = adapter->vsi_res->vsi_id; vqs.tx_queues = (1 << adapter->num_active_queues) - 1; vqs.rx_queues = vqs.tx_queues; - adapter->aq_pending |= I40EVF_FLAG_AQ_DISABLE_QUEUES; adapter->aq_required &= ~I40EVF_FLAG_AQ_DISABLE_QUEUES; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_DISABLE_QUEUES, (u8 *)&vqs, sizeof(vqs)); @@ -354,7 +351,6 @@ void i40evf_map_queues(struct i40evf_adapter *adapter) vimi->vecmap[v_idx].txq_map = 0; vimi->vecmap[v_idx].rxq_map = 0; - adapter->aq_pending |= I40EVF_FLAG_AQ_MAP_VECTORS; adapter->aq_required &= ~I40EVF_FLAG_AQ_MAP_VECTORS; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, (u8 *)vimi, len); @@ -415,7 +411,6 @@ void i40evf_add_ether_addrs(struct i40evf_adapter *adapter) f->add = false; } } - adapter->aq_pending |= I40EVF_FLAG_AQ_ADD_MAC_FILTER; adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_MAC_FILTER; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, (u8 *)veal, len); @@ -476,7 +471,6 @@ void i40evf_del_ether_addrs(struct i40evf_adapter *adapter) kfree(f); } } - adapter->aq_pending |= I40EVF_FLAG_AQ_DEL_MAC_FILTER; adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_MAC_FILTER; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, (u8 *)veal, len); @@ -537,7 +531,6 @@ void i40evf_add_vlans(struct i40evf_adapter *adapter) f->add = false; } } - adapter->aq_pending |= I40EVF_FLAG_AQ_ADD_VLAN_FILTER; adapter->aq_required &= ~I40EVF_FLAG_AQ_ADD_VLAN_FILTER; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_ADD_VLAN, (u8 *)vvfl, len); kfree(vvfl); @@ -598,7 +591,6 @@ void i40evf_del_vlans(struct i40evf_adapter *adapter) kfree(f); } } - adapter->aq_pending |= I40EVF_FLAG_AQ_DEL_VLAN_FILTER; adapter->aq_required &= ~I40EVF_FLAG_AQ_DEL_VLAN_FILTER; i40evf_send_pf_msg(adapter, I40E_VIRTCHNL_OP_DEL_VLAN, (u8 *)vvfl, len); kfree(vvfl); @@ -720,9 +712,6 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter, __func__, v_retval, v_opcode); } switch (v_opcode) { - case I40E_VIRTCHNL_OP_VERSION: - /* no action, but also not an error */ - break; case I40E_VIRTCHNL_OP_GET_STATS: { struct i40e_eth_stats *stats = (struct i40e_eth_stats *)msg; @@ -740,39 +729,30 @@ void i40evf_virtchnl_completion(struct i40evf_adapter *adapter, adapter->current_stats = *stats; } break; - case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_ADD_MAC_FILTER); - break; - case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_DEL_MAC_FILTER); - break; - case I40E_VIRTCHNL_OP_ADD_VLAN: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_ADD_VLAN_FILTER); - break; - case I40E_VIRTCHNL_OP_DEL_VLAN: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_DEL_VLAN_FILTER); - break; case I40E_VIRTCHNL_OP_ENABLE_QUEUES: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_ENABLE_QUEUES); /* enable transmits */ i40evf_irq_enable(adapter, true); netif_tx_start_all_queues(adapter->netdev); netif_carrier_on(adapter->netdev); break; case I40E_VIRTCHNL_OP_DISABLE_QUEUES: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_DISABLE_QUEUES); i40evf_free_all_tx_resources(adapter); i40evf_free_all_rx_resources(adapter); break; - case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_CONFIGURE_QUEUES); - break; + case I40E_VIRTCHNL_OP_VERSION: + case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: - adapter->aq_pending &= ~(I40EVF_FLAG_AQ_MAP_VECTORS); + /* Don't display an error if we get these out of sequence. + * If the firmware needed to get kicked, we'll get these and + * it's no problem. + */ + if (v_opcode != adapter->current_op) + return; break; default: - dev_info(&adapter->pdev->dev, "Received unexpected message %d from PF\n", - v_opcode); + if (v_opcode != adapter->current_op) + dev_warn(&adapter->pdev->dev, "Expected response %d from PF, received %d\n", + adapter->current_op, v_opcode); break; } /* switch v_opcode */ adapter->current_op = I40E_VIRTCHNL_OP_UNKNOWN; diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 4a42e960d331..f66641d961e3 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -41,7 +41,6 @@ #include <linux/skbuff.h> #include <linux/spi/spi.h> #include <linux/types.h> -#include <linux/version.h> #include "qca_7k.h" #include "qca_debug.h" diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index a87b177bd723..a570a60533be 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -4759,6 +4759,7 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (pci_resource_len(pdev, 0) < ROCKER_PCI_BAR0_SIZE) { dev_err(&pdev->dev, "invalid PCI region size\n"); + err = -EINVAL; goto err_pci_resource_len_check; } diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c index 10b6173d557d..b605dfd5c7bc 100644 --- a/drivers/net/ethernet/sfc/selftest.c +++ b/drivers/net/ethernet/sfc/selftest.c @@ -46,7 +46,7 @@ struct efx_loopback_payload { struct iphdr ip; struct udphdr udp; __be16 iteration; - const char msg[64]; + char msg[64]; } __packed; /* Loopback test source MAC address */ diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index cd77289c3cfe..623c6ed8764a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -150,7 +150,7 @@ struct stmmac_extra_stats { #define MAC_CSR_H_FRQ_MASK 0x20 #define HASH_TABLE_SIZE 64 -#define PAUSE_TIME 0x200 +#define PAUSE_TIME 0xffff /* Flow Control defines */ #define FLOW_OFF 0 @@ -357,7 +357,8 @@ struct stmmac_dma_ops { void (*dump_regs) (void __iomem *ioaddr); /* Set tx/rx threshold in the csr6 register * An invalid value enables the store-and-forward mode */ - void (*dma_mode) (void __iomem *ioaddr, int txmode, int rxmode); + void (*dma_mode)(void __iomem *ioaddr, int txmode, int rxmode, + int rxfifosz); /* To track extra statistic (if supported) */ void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x, void __iomem *ioaddr); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h index 64d8f56a9c17..b3fe0575ff6b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h @@ -172,6 +172,7 @@ enum inter_frame_gap { /* GMAC FLOW CTRL defines */ #define GMAC_FLOW_CTRL_PT_MASK 0xffff0000 /* Pause Time Mask */ #define GMAC_FLOW_CTRL_PT_SHIFT 16 +#define GMAC_FLOW_CTRL_UP 0x00000008 /* Unicast pause frame enable */ #define GMAC_FLOW_CTRL_RFE 0x00000004 /* Rx Flow Control Enable */ #define GMAC_FLOW_CTRL_TFE 0x00000002 /* Tx Flow Control Enable */ #define GMAC_FLOW_CTRL_FCB_BPA 0x00000001 /* Flow Control Busy ... */ @@ -246,6 +247,56 @@ enum ttc_control { #define DMA_CONTROL_FEF 0x00000080 #define DMA_CONTROL_FUF 0x00000040 +/* Receive flow control activation field + * RFA field in DMA control register, bits 23,10:9 + */ +#define DMA_CONTROL_RFA_MASK 0x00800600 + +/* Receive flow control deactivation field + * RFD field in DMA control register, bits 22,12:11 + */ +#define DMA_CONTROL_RFD_MASK 0x00401800 + +/* RFD and RFA fields are encoded as follows + * + * Bit Field + * 0,00 - Full minus 1KB (only valid when rxfifo >= 4KB and EFC enabled) + * 0,01 - Full minus 2KB (only valid when rxfifo >= 4KB and EFC enabled) + * 0,10 - Full minus 3KB (only valid when rxfifo >= 4KB and EFC enabled) + * 0,11 - Full minus 4KB (only valid when rxfifo > 4KB and EFC enabled) + * 1,00 - Full minus 5KB (only valid when rxfifo > 8KB and EFC enabled) + * 1,01 - Full minus 6KB (only valid when rxfifo > 8KB and EFC enabled) + * 1,10 - Full minus 7KB (only valid when rxfifo > 8KB and EFC enabled) + * 1,11 - Reserved + * + * RFD should always be > RFA for a given FIFO size. RFD == RFA may work, + * but packet throughput performance may not be as expected. + * + * Be sure that bit 3 in GMAC Register 6 is set for Unicast Pause frame + * detection (IEEE Specification Requirement, Annex 31B, 31B.1, Pause + * Description). + * + * Be sure that DZPA (bit 7 in Flow Control Register, GMAC Register 6), + * is set to 0. This allows pause frames with a quanta of 0 to be sent + * as an XOFF message to the link peer. + */ + +#define RFA_FULL_MINUS_1K 0x00000000 +#define RFA_FULL_MINUS_2K 0x00000200 +#define RFA_FULL_MINUS_3K 0x00000400 +#define RFA_FULL_MINUS_4K 0x00000600 +#define RFA_FULL_MINUS_5K 0x00800000 +#define RFA_FULL_MINUS_6K 0x00800200 +#define RFA_FULL_MINUS_7K 0x00800400 + +#define RFD_FULL_MINUS_1K 0x00000000 +#define RFD_FULL_MINUS_2K 0x00000800 +#define RFD_FULL_MINUS_3K 0x00001000 +#define RFD_FULL_MINUS_4K 0x00001800 +#define RFD_FULL_MINUS_5K 0x00400000 +#define RFD_FULL_MINUS_6K 0x00400800 +#define RFD_FULL_MINUS_7K 0x00401000 + enum rtc_control { DMA_CONTROL_RTC_64 = 0x00000000, DMA_CONTROL_RTC_32 = 0x00000008, diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index 0adcf73cf722..371a669d69fd 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -201,7 +201,10 @@ static void dwmac1000_flow_ctrl(struct mac_device_info *hw, unsigned int duplex, unsigned int fc, unsigned int pause_time) { void __iomem *ioaddr = hw->pcsr; - unsigned int flow = 0; + /* Set flow such that DZPQ in Mac Register 6 is 0, + * and unicast pause detect is enabled. + */ + unsigned int flow = GMAC_FLOW_CTRL_UP; pr_debug("GMAC Flow-Control:\n"); if (fc & FLOW_RX) { diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c index 59d92e811750..0e8937c1184a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c @@ -106,8 +106,29 @@ static int dwmac1000_dma_init(void __iomem *ioaddr, int pbl, int fb, int mb, return 0; } +static u32 dwmac1000_configure_fc(u32 csr6, int rxfifosz) +{ + csr6 &= ~DMA_CONTROL_RFA_MASK; + csr6 &= ~DMA_CONTROL_RFD_MASK; + + /* Leave flow control disabled if receive fifo size is less than + * 4K or 0. Otherwise, send XOFF when fifo is 1K less than full, + * and send XON when 2K less than full. + */ + if (rxfifosz < 4096) { + csr6 &= ~DMA_CONTROL_EFC; + pr_debug("GMAC: disabling flow control, rxfifo too small(%d)\n", + rxfifosz); + } else { + csr6 |= DMA_CONTROL_EFC; + csr6 |= RFA_FULL_MINUS_1K; + csr6 |= RFD_FULL_MINUS_2K; + } + return csr6; +} + static void dwmac1000_dma_operation_mode(void __iomem *ioaddr, int txmode, - int rxmode) + int rxmode, int rxfifosz) { u32 csr6 = readl(ioaddr + DMA_CONTROL); @@ -153,6 +174,9 @@ static void dwmac1000_dma_operation_mode(void __iomem *ioaddr, int txmode, csr6 |= DMA_CONTROL_RTC_128; } + /* Configure flow control based on rx fifo size */ + csr6 = dwmac1000_configure_fc(csr6, rxfifosz); + writel(csr6, ioaddr + DMA_CONTROL); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c index 7d1dce9e7ffc..9d0971c1c2ee 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_dma.c @@ -72,7 +72,7 @@ static int dwmac100_dma_init(void __iomem *ioaddr, int pbl, int fb, int mb, * control register. */ static void dwmac100_dma_operation_mode(void __iomem *ioaddr, int txmode, - int rxmode) + int rxmode, int rxfifosz) { u32 csr6 = readl(ioaddr + DMA_CONTROL); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 06103cad7c77..05c146f718a3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1277,8 +1277,10 @@ static void free_dma_desc_resources(struct stmmac_priv *priv) */ static void stmmac_dma_operation_mode(struct stmmac_priv *priv) { + int rxfifosz = priv->plat->rx_fifo_size; + if (priv->plat->force_thresh_dma_mode) - priv->hw->dma->dma_mode(priv->ioaddr, tc, tc); + priv->hw->dma->dma_mode(priv->ioaddr, tc, tc, rxfifosz); else if (priv->plat->force_sf_dma_mode || priv->plat->tx_coe) { /* * In case of GMAC, SF mode can be enabled @@ -1287,10 +1289,12 @@ static void stmmac_dma_operation_mode(struct stmmac_priv *priv) * 2) There is no bugged Jumbo frame support * that needs to not insert csum in the TDES. */ - priv->hw->dma->dma_mode(priv->ioaddr, SF_DMA_MODE, SF_DMA_MODE); + priv->hw->dma->dma_mode(priv->ioaddr, SF_DMA_MODE, SF_DMA_MODE, + rxfifosz); priv->xstats.threshold = SF_DMA_MODE; } else - priv->hw->dma->dma_mode(priv->ioaddr, tc, SF_DMA_MODE); + priv->hw->dma->dma_mode(priv->ioaddr, tc, SF_DMA_MODE, + rxfifosz); } /** @@ -1442,6 +1446,7 @@ static void stmmac_tx_err(struct stmmac_priv *priv) static void stmmac_dma_interrupt(struct stmmac_priv *priv) { int status; + int rxfifosz = priv->plat->rx_fifo_size; status = priv->hw->dma->dma_interrupt(priv->ioaddr, &priv->xstats); if (likely((status & handle_rx)) || (status & handle_tx)) { @@ -1456,10 +1461,11 @@ static void stmmac_dma_interrupt(struct stmmac_priv *priv) (tc <= 256)) { tc += 64; if (priv->plat->force_thresh_dma_mode) - priv->hw->dma->dma_mode(priv->ioaddr, tc, tc); + priv->hw->dma->dma_mode(priv->ioaddr, tc, tc, + rxfifosz); else priv->hw->dma->dma_mode(priv->ioaddr, tc, - SF_DMA_MODE); + SF_DMA_MODE, rxfifosz); priv->xstats.threshold = tc; } } else if (unlikely(status == tx_hard_error)) @@ -2970,15 +2976,15 @@ int stmmac_dvr_remove(struct net_device *ndev) priv->hw->dma->stop_tx(priv->ioaddr); stmmac_set_mac(priv->ioaddr, false); - if (priv->pcs != STMMAC_PCS_RGMII && priv->pcs != STMMAC_PCS_TBI && - priv->pcs != STMMAC_PCS_RTBI) - stmmac_mdio_unregister(ndev); netif_carrier_off(ndev); unregister_netdev(ndev); if (priv->stmmac_rst) reset_control_assert(priv->stmmac_rst); clk_disable_unprepare(priv->pclk); clk_disable_unprepare(priv->stmmac_clk); + if (priv->pcs != STMMAC_PCS_RGMII && priv->pcs != STMMAC_PCS_TBI && + priv->pcs != STMMAC_PCS_RTBI) + stmmac_mdio_unregister(ndev); free_netdev(ndev); return 0; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index f9b42f11950f..705bbdf93940 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -181,6 +181,10 @@ static int stmmac_probe_config_dt(struct platform_device *pdev, sizeof(struct stmmac_mdio_bus_data), GFP_KERNEL); + of_property_read_u32(np, "tx-fifo-depth", &plat->tx_fifo_size); + + of_property_read_u32(np, "rx-fifo-depth", &plat->rx_fifo_size); + plat->force_sf_dma_mode = of_property_read_bool(np, "snps,force_sf_dma_mode"); |
