diff options
Diffstat (limited to 'drivers/net/ethernet/intel/fm10k')
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_iov.c | 38 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_main.c | 68 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_mbx.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_netdev.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 27 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pf.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pf.h | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_ptp.c | 13 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_type.h | 2 |
10 files changed, 85 insertions, 110 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c index 4b9d9f88a..c6dc96834 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c @@ -124,7 +124,7 @@ static void fm10k_get_strings(struct net_device *dev, u32 stringset, u8 *data) { struct fm10k_intfc *interface = netdev_priv(dev); char *p = (char *)data; - int i; + unsigned int i; switch (stringset) { case ETH_SS_TEST: @@ -143,12 +143,13 @@ static void fm10k_get_strings(struct net_device *dev, u32 stringset, u8 *data) p += ETH_GSTRING_LEN; } - if (interface->hw.mac.type != fm10k_mac_vf) + if (interface->hw.mac.type != fm10k_mac_vf) { for (i = 0; i < FM10K_PF_STATS_LEN; i++) { memcpy(p, fm10k_gstrings_pf_stats[i].stat_string, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } + } for (i = 0; i < interface->hw.mac.max_queues; i++) { sprintf(p, "tx_queue_%u_packets", i); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c index 5b08e6284..94571e6e7 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c @@ -400,11 +400,31 @@ int fm10k_iov_configure(struct pci_dev *pdev, int num_vfs) return num_vfs; } +static inline void fm10k_reset_vf_info(struct fm10k_intfc *interface, + struct fm10k_vf_info *vf_info) +{ + struct fm10k_hw *hw = &interface->hw; + + /* assigning the MAC address will send a mailbox message */ + fm10k_mbx_lock(interface); + + /* disable LPORT for this VF which clears switch rules */ + hw->iov.ops.reset_lport(hw, vf_info); + + /* assign new MAC+VLAN for this VF */ + hw->iov.ops.assign_default_mac_vlan(hw, vf_info); + + /* re-enable the LPORT for this VF */ + hw->iov.ops.set_lport(hw, vf_info, vf_info->vf_idx, + FM10K_VF_FLAG_MULTI_CAPABLE); + + fm10k_mbx_unlock(interface); +} + int fm10k_ndo_set_vf_mac(struct net_device *netdev, int vf_idx, u8 *mac) { struct fm10k_intfc *interface = netdev_priv(netdev); struct fm10k_iov_data *iov_data = interface->iov_data; - struct fm10k_hw *hw = &interface->hw; struct fm10k_vf_info *vf_info; /* verify SR-IOV is active and that vf idx is valid */ @@ -419,13 +439,7 @@ int fm10k_ndo_set_vf_mac(struct net_device *netdev, int vf_idx, u8 *mac) vf_info = &iov_data->vf_info[vf_idx]; ether_addr_copy(vf_info->mac, mac); - /* assigning the MAC will send a mailbox message so lock is needed */ - fm10k_mbx_lock(interface); - - /* assign MAC address to VF */ - hw->iov.ops.assign_default_mac_vlan(hw, vf_info); - - fm10k_mbx_unlock(interface); + fm10k_reset_vf_info(interface, vf_info); return 0; } @@ -455,16 +469,10 @@ int fm10k_ndo_set_vf_vlan(struct net_device *netdev, int vf_idx, u16 vid, /* record default VLAN ID for VF */ vf_info->pf_vid = vid; - /* assigning the VLAN will send a mailbox message so lock is needed */ - fm10k_mbx_lock(interface); - /* Clear the VLAN table for the VF */ hw->mac.ops.update_vlan(hw, FM10K_VLAN_ALL, vf_info->vsi, false); - /* Update VF assignment and trigger reset */ - hw->iov.ops.assign_default_mac_vlan(hw, vf_info); - - fm10k_mbx_unlock(interface); + fm10k_reset_vf_info(interface, vf_info); return 0; } diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index c754b2027..b5b292510 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -216,7 +216,7 @@ static void fm10k_reuse_rx_page(struct fm10k_ring *rx_ring, static inline bool fm10k_page_is_reserved(struct page *page) { - return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; + return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); } static bool fm10k_can_reuse_rx_page(struct fm10k_rx_buffer *rx_buffer, @@ -269,16 +269,19 @@ static bool fm10k_add_rx_frag(struct fm10k_rx_buffer *rx_buffer, struct sk_buff *skb) { struct page *page = rx_buffer->page; + unsigned char *va = page_address(page) + rx_buffer->page_offset; unsigned int size = le16_to_cpu(rx_desc->w.length); #if (PAGE_SIZE < 8192) unsigned int truesize = FM10K_RX_BUFSZ; #else - unsigned int truesize = ALIGN(size, L1_CACHE_BYTES); + unsigned int truesize = SKB_DATA_ALIGN(size); #endif + unsigned int pull_len; - if ((size <= FM10K_RX_HDR_LEN) && !skb_is_nonlinear(skb)) { - unsigned char *va = page_address(page) + rx_buffer->page_offset; + if (unlikely(skb_is_nonlinear(skb))) + goto add_tail_frag; + if (likely(size <= FM10K_RX_HDR_LEN)) { memcpy(__skb_put(skb, size), va, ALIGN(size, sizeof(long))); /* page is not reserved, we can reuse buffer as-is */ @@ -290,8 +293,21 @@ static bool fm10k_add_rx_frag(struct fm10k_rx_buffer *rx_buffer, return false; } + /* we need the header to contain the greater of either ETH_HLEN or + * 60 bytes if the skb->len is less than 60 for skb_pad. + */ + pull_len = eth_get_headlen(va, FM10K_RX_HDR_LEN); + + /* align pull length to size of long to optimize memcpy performance */ + memcpy(__skb_put(skb, pull_len), va, ALIGN(pull_len, sizeof(long))); + + /* update all of the pointers */ + va += pull_len; + size -= pull_len; + +add_tail_frag: skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, - rx_buffer->page_offset, size, truesize); + (unsigned long)va & ~PAGE_MASK, size, truesize); return fm10k_can_reuse_rx_page(rx_buffer, page, truesize); } @@ -518,44 +534,6 @@ static bool fm10k_is_non_eop(struct fm10k_ring *rx_ring, } /** - * fm10k_pull_tail - fm10k specific version of skb_pull_tail - * @skb: pointer to current skb being adjusted - * - * This function is an fm10k specific version of __pskb_pull_tail. The - * main difference between this version and the original function is that - * this function can make several assumptions about the state of things - * that allow for significant optimizations versus the standard function. - * As a result we can do things like drop a frag and maintain an accurate - * truesize for the skb. - */ -static void fm10k_pull_tail(struct sk_buff *skb) -{ - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0]; - unsigned char *va; - unsigned int pull_len; - - /* it is valid to use page_address instead of kmap since we are - * working with pages allocated out of the lomem pool per - * alloc_page(GFP_ATOMIC) - */ - va = skb_frag_address(frag); - - /* we need the header to contain the greater of either ETH_HLEN or - * 60 bytes if the skb->len is less than 60 for skb_pad. - */ - pull_len = eth_get_headlen(va, FM10K_RX_HDR_LEN); - - /* align pull length to size of long to optimize memcpy performance */ - skb_copy_to_linear_data(skb, va, ALIGN(pull_len, sizeof(long))); - - /* update all of the pointers */ - skb_frag_size_sub(frag, pull_len); - frag->page_offset += pull_len; - skb->data_len -= pull_len; - skb->tail += pull_len; -} - -/** * fm10k_cleanup_headers - Correct corrupted or empty headers * @rx_ring: rx descriptor ring packet is being transacted on * @rx_desc: pointer to the EOP Rx descriptor @@ -580,10 +558,6 @@ static bool fm10k_cleanup_headers(struct fm10k_ring *rx_ring, return true; } - /* place header in linear portion of buffer */ - if (skb_is_nonlinear(skb)) - fm10k_pull_tail(skb); - /* if eth_skb_pad returns an error the skb was freed */ if (eth_skb_pad(skb)) return true; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c b/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c index 1b2738380..1a4b52637 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_mbx.c @@ -1259,16 +1259,11 @@ static s32 fm10k_mbx_process_error(struct fm10k_hw *hw, struct fm10k_mbx_info *mbx) { const u32 *hdr = &mbx->mbx_hdr; - s32 err_no; u16 head; /* we will need to pull all of the fields for verification */ head = FM10K_MSG_HDR_FIELD_GET(*hdr, HEAD); - /* we only have lower 10 bits of error number so add upper bits */ - err_no = FM10K_MSG_HDR_FIELD_GET(*hdr, ERR_NO); - err_no |= ~FM10K_MSG_HDR_MASK(ERR_NO); - switch (mbx->state) { case FM10K_STATE_OPEN: case FM10K_STATE_DISCONNECT: diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c index 2f4f41b7e..99228bf46 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_netdev.c @@ -923,18 +923,12 @@ static int __fm10k_mc_sync(struct net_device *dev, struct fm10k_intfc *interface = netdev_priv(dev); struct fm10k_hw *hw = &interface->hw; u16 vid, glort = interface->glort; - s32 err; - - if (!is_multicast_ether_addr(addr)) - return -EADDRNOTAVAIL; /* update table with current entries */ for (vid = hw->mac.default_vid ? fm10k_find_next_vlan(interface, 0) : 0; vid < VLAN_N_VID; vid = fm10k_find_next_vlan(interface, vid)) { - err = hw->mac.ops.update_mc_addr(hw, glort, addr, vid, sync); - if (err) - return err; + hw->mac.ops.update_mc_addr(hw, glort, addr, vid, sync); } return 0; @@ -1339,8 +1333,7 @@ static void fm10k_dfwd_del_station(struct net_device *dev, void *priv) dglort.rss_l = fls(interface->ring_feature[RING_F_RSS].mask); dglort.pc_l = fls(interface->ring_feature[RING_F_QOS].mask); dglort.glort = interface->glort; - if (l2_accel) - dglort.shared_l = fls(l2_accel->size); + dglort.shared_l = fls(l2_accel->size); hw->mac.ops.configure_dglort_map(hw, &dglort); /* If table is empty remove it */ diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c index df9fda38b..ce53ff25f 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c @@ -1559,6 +1559,7 @@ void fm10k_down(struct fm10k_intfc *interface) /* free any buffers still on the rings */ fm10k_clean_all_tx_rings(interface); + fm10k_clean_all_rx_rings(interface); } /** @@ -1740,30 +1741,18 @@ static int fm10k_probe(struct pci_dev *pdev, struct fm10k_intfc *interface; struct fm10k_hw *hw; int err; - u64 dma_mask; err = pci_enable_device_mem(pdev); if (err) return err; - /* By default fm10k only supports a 48 bit DMA mask */ - dma_mask = DMA_BIT_MASK(48) | dma_get_required_mask(&pdev->dev); - - if ((dma_mask <= DMA_BIT_MASK(32)) || - dma_set_mask_and_coherent(&pdev->dev, dma_mask)) { - dma_mask &= DMA_BIT_MASK(32); - + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48)); + if (err) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); - if (err) { - err = dma_set_coherent_mask(&pdev->dev, - DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, - "No usable DMA configuration, aborting\n"); - goto err_dma; - } - } + if (err) { + dev_err(&pdev->dev, + "DMA configuration failed: %d\n", err); + goto err_dma; } err = pci_request_selected_regions(pdev, @@ -1772,7 +1761,7 @@ static int fm10k_probe(struct pci_dev *pdev, fm10k_driver_name); if (err) { dev_err(&pdev->dev, - "pci_request_selected_regions failed 0x%x\n", err); + "pci_request_selected_regions failed: %d\n", err); goto err_pci_reg; } diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c index 891e21874..3ca0233b3 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c @@ -1046,6 +1046,12 @@ static s32 fm10k_iov_reset_resources_pf(struct fm10k_hw *hw, fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx + i), vf_q_idx + i); } + /* repeat the first ring for all the remaining VF rings */ + for (i = queues_per_pool; i < qmap_stride; i++) { + fm10k_write_reg(hw, FM10K_TQMAP(qmap_idx + i), vf_q_idx); + fm10k_write_reg(hw, FM10K_RQMAP(qmap_idx + i), vf_q_idx); + } + return 0; } @@ -1345,6 +1351,14 @@ s32 fm10k_iov_msg_lport_state_pf(struct fm10k_hw *hw, u32 **results, err = fm10k_update_lport_state_pf(hw, vf_info->glort, 1, false); + /* we need to clear VF_FLAG_ENABLED flags in order to ensure + * that we actually re-enable the LPORT state below. Note that + * this has no impact if the VF is already disabled, as the + * flags are already cleared. + */ + if (!err) + vf_info->vf_flags = FM10K_VF_FLAG_CAPABLE(vf_info); + /* when enabling the port we should reset the rate limiters */ hw->iov.ops.configure_tc(hw, vf_info->vf_idx, vf_info->rate); @@ -1786,8 +1800,8 @@ static s32 fm10k_adjust_systime_pf(struct fm10k_hw *hw, s32 ppb) if (systime_adjust > FM10K_SW_SYSTIME_ADJUST_MASK) return FM10K_ERR_PARAM; - if (ppb < 0) - systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE; + if (ppb > 0) + systime_adjust |= FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE; fm10k_write_sw_reg(hw, FM10K_SW_SYSTIME_ADJUST, (u32)systime_adjust); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.h b/drivers/net/ethernet/intel/fm10k/fm10k_pf.h index 7ab1db4ff..40a0dbc62 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.h @@ -81,26 +81,26 @@ struct fm10k_mac_update { __le16 glort; u8 flags; u8 action; -}; +} __packed; struct fm10k_global_table_data { __le32 used; __le32 avail; -}; +} __packed; struct fm10k_swapi_error { __le32 status; struct fm10k_global_table_data mac; struct fm10k_global_table_data nexthop; struct fm10k_global_table_data ffu; -}; +} __packed; struct fm10k_swapi_1588_timestamp { __le64 egress; __le64 ingress; __le16 dglort; __le16 sglort; -}; +} __packed; s32 fm10k_msg_lport_map_pf(struct fm10k_hw *, u32 **, struct fm10k_mbx_info *); extern const struct fm10k_tlv_attr fm10k_lport_map_msg_attr[]; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c b/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c index 9043633c3..b4945e8ab 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_ptp.c @@ -70,16 +70,16 @@ void fm10k_ts_tx_enqueue(struct fm10k_intfc *interface, struct sk_buff *skb) * if none are present then insert skb in tail of list */ skb = fm10k_ts_tx_skb(interface, FM10K_CB(clone)->fi.w.dglort); - if (!skb) + if (!skb) { + skb_shinfo(clone)->tx_flags |= SKBTX_IN_PROGRESS; __skb_queue_tail(list, clone); + } spin_unlock_irqrestore(&list->lock, flags); /* if list is already has one then we just free the clone */ if (skb) - kfree_skb(skb); - else - skb_shinfo(clone)->tx_flags |= SKBTX_IN_PROGRESS; + dev_kfree_skb(clone); } void fm10k_ts_tx_hwtstamp(struct fm10k_intfc *interface, __le16 dglort, @@ -103,9 +103,10 @@ void fm10k_ts_tx_hwtstamp(struct fm10k_intfc *interface, __le16 dglort, if (!skb) return; - /* timestamp the sk_buff and return it to the socket */ + /* timestamp the sk_buff and free out copy */ fm10k_systime_to_hwtstamp(interface, &shhwtstamps, systime); - skb_complete_tx_timestamp(skb, &shhwtstamps); + skb_tstamp_tx(skb, &shhwtstamps); + dev_kfree_skb_any(skb); } void fm10k_ts_tx_subtask(struct fm10k_intfc *interface) diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_type.h b/drivers/net/ethernet/intel/fm10k/fm10k_type.h index 4af96686c..2a17d82fa 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_type.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k_type.h @@ -369,7 +369,7 @@ struct fm10k_hw; /* Registers contained in BAR 4 for Switch management */ #define FM10K_SW_SYSTIME_ADJUST 0x0224D #define FM10K_SW_SYSTIME_ADJUST_MASK 0x3FFFFFFF -#define FM10K_SW_SYSTIME_ADJUST_DIR_NEGATIVE 0x80000000 +#define FM10K_SW_SYSTIME_ADJUST_DIR_POSITIVE 0x80000000 #define FM10K_SW_SYSTIME_PULSE(_n) ((_n) + 0x02252) enum fm10k_int_source { |