Merge tag 'nfc-next-4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo...

[mirror_ubuntu-hirsute-kernel.git] / drivers / net / ethernet / broadcom / bnxt / bnxt.c

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 4645c44e7c15edd9478de7106fc754ceb6778755..6a5a71710fa9821c00f3697693672f958b262906 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -588,12 +588,30 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp,
        struct page *page;
        dma_addr_t mapping;
        u16 sw_prod = rxr->rx_sw_agg_prod;
+       unsigned int offset = 0;
 
-       page = alloc_page(gfp);
-       if (!page)
-               return -ENOMEM;
+       if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) {
+               page = rxr->rx_page;
+               if (!page) {
+                       page = alloc_page(gfp);
+                       if (!page)
+                               return -ENOMEM;
+                       rxr->rx_page = page;
+                       rxr->rx_page_offset = 0;
+               }
+               offset = rxr->rx_page_offset;
+               rxr->rx_page_offset += BNXT_RX_PAGE_SIZE;
+               if (rxr->rx_page_offset == PAGE_SIZE)
+                       rxr->rx_page = NULL;
+               else
+                       get_page(page);
+       } else {
+               page = alloc_page(gfp);
+               if (!page)
+                       return -ENOMEM;
+       }
 
-       mapping = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE,
+       mapping = dma_map_page(&pdev->dev, page, offset, BNXT_RX_PAGE_SIZE,
                               PCI_DMA_FROMDEVICE);
        if (dma_mapping_error(&pdev->dev, mapping)) {
                __free_page(page);
@@ -608,6 +626,7 @@ static inline int bnxt_alloc_rx_page(struct bnxt *bp,
        rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod);
 
        rx_agg_buf->page = page;
+       rx_agg_buf->offset = offset;
        rx_agg_buf->mapping = mapping;
        rxbd->rx_bd_haddr = cpu_to_le64(mapping);
        rxbd->rx_bd_opaque = sw_prod;
@@ -649,6 +668,7 @@ static void bnxt_reuse_rx_agg_bufs(struct bnxt_napi *bnapi, u16 cp_cons,
                page = cons_rx_buf->page;
                cons_rx_buf->page = NULL;
                prod_rx_buf->page = page;
+               prod_rx_buf->offset = cons_rx_buf->offset;
 
                prod_rx_buf->mapping = cons_rx_buf->mapping;
 
@@ -716,7 +736,8 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi,
                            RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT;
 
                cons_rx_buf = &rxr->rx_agg_ring[cons];
-               skb_fill_page_desc(skb, i, cons_rx_buf->page, 0, frag_len);
+               skb_fill_page_desc(skb, i, cons_rx_buf->page,
+                                  cons_rx_buf->offset, frag_len);
                __clear_bit(cons, rxr->rx_agg_bmap);
 
                /* It is possible for bnxt_alloc_rx_page() to allocate
@@ -747,7 +768,7 @@ static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi,
                        return NULL;
                }
 
-               dma_unmap_page(&pdev->dev, mapping, PAGE_SIZE,
+               dma_unmap_page(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE,
                               PCI_DMA_FROMDEVICE);
 
                skb->data_len += frag_len;
@@ -1418,6 +1439,10 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
                if (!TX_CMP_VALID(txcmp, raw_cons))
                        break;
 
+               /* The valid test of the entry must be done first before
+                * reading any further.
+                */
+               rmb();
                if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
                        tx_pkts++;
                        /* return full budget so NAPI will complete. */
@@ -1635,13 +1660,17 @@ static void bnxt_free_rx_skbs(struct bnxt *bp)
 
                        dma_unmap_page(&pdev->dev,
                                       dma_unmap_addr(rx_agg_buf, mapping),
-                                      PAGE_SIZE, PCI_DMA_FROMDEVICE);
+                                      BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE);
 
                        rx_agg_buf->page = NULL;
                        __clear_bit(j, rxr->rx_agg_bmap);
 
                        __free_page(page);
                }
+               if (rxr->rx_page) {
+                       __free_page(rxr->rx_page);
+                       rxr->rx_page = NULL;
+               }
        }
 }
 
@@ -2024,7 +2053,7 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr)
        if (!(bp->flags & BNXT_FLAG_AGG_RINGS))
                return 0;
 
-       type = ((u32)PAGE_SIZE << RX_BD_LEN_SHIFT) |
+       type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) |
                RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP;
 
        bnxt_init_rxbd_pages(ring, type);
@@ -2215,7 +2244,7 @@ void bnxt_set_ring_params(struct bnxt *bp)
        bp->rx_agg_nr_pages = 0;
 
        if (bp->flags & BNXT_FLAG_TPA)
-               agg_factor = 4;
+               agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE);
 
        bp->flags &= ~BNXT_FLAG_JUMBO;
        if (rx_space > PAGE_SIZE) {
@@ -3076,12 +3105,12 @@ static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags)
                /* Number of segs are log2 units, and first packet is not
                 * included as part of this units.
                 */
-               if (mss <= PAGE_SIZE) {
-                       n = PAGE_SIZE / mss;
+               if (mss <= BNXT_RX_PAGE_SIZE) {
+                       n = BNXT_RX_PAGE_SIZE / mss;
                        nsegs = (MAX_SKB_FRAGS - 1) * n;
                } else {
-                       n = mss / PAGE_SIZE;
-                       if (mss & (PAGE_SIZE - 1))
+                       n = mss / BNXT_RX_PAGE_SIZE;
+                       if (mss & (BNXT_RX_PAGE_SIZE - 1))
                                n++;
                        nsegs = (MAX_SKB_FRAGS - n) / n;
                }
@@ -4071,9 +4100,11 @@ static int bnxt_alloc_rfs_vnics(struct bnxt *bp)
 }
 
 static int bnxt_cfg_rx_mode(struct bnxt *);
+static bool bnxt_mc_list_updated(struct bnxt *, u32 *);
 
 static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
 {
+       struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
        int rc = 0;
 
        if (irq_re_init) {
@@ -4129,13 +4160,22 @@ static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
                netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n", rc);
                goto err_out;
        }
-       bp->vnic_info[0].uc_filter_count = 1;
+       vnic->uc_filter_count = 1;
 
-       bp->vnic_info[0].rx_mask = CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
+       vnic->rx_mask = CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
 
        if ((bp->dev->flags & IFF_PROMISC) && BNXT_PF(bp))
-               bp->vnic_info[0].rx_mask |=
-                               CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
+               vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
+
+       if (bp->dev->flags & IFF_ALLMULTI) {
+               vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
+               vnic->mc_list_count = 0;
+       } else {
+               u32 mask = 0;
+
+               bnxt_mc_list_updated(bp, &mask);
+               vnic->rx_mask |= mask;
+       }
 
        rc = bnxt_cfg_rx_mode(bp);
        if (rc)
@@ -4367,7 +4407,7 @@ static int bnxt_setup_int_mode(struct bnxt *bp)
        if (bp->flags & BNXT_FLAG_MSIX_CAP)
                rc = bnxt_setup_msix(bp);
 
-       if (!(bp->flags & BNXT_FLAG_USING_MSIX)) {
+       if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) {
                /* fallback to INTA */
                rc = bnxt_setup_inta(bp);
        }
@@ -6194,14 +6234,19 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
                           NETIF_F_TSO | NETIF_F_TSO6 |
                           NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
                           NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT |
-                          NETIF_F_RXHASH |
+                          NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
+                          NETIF_F_GSO_PARTIAL | NETIF_F_RXHASH |
                           NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO;
 
        dev->hw_enc_features =
                        NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
                        NETIF_F_TSO | NETIF_F_TSO6 |
                        NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
-                       NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT;
+                       NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
+                       NETIF_F_GSO_IPIP | NETIF_F_GSO_SIT |
+                       NETIF_F_GSO_PARTIAL;
+       dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM |
+                                   NETIF_F_GSO_GRE_CSUM;
        dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA;
        dev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX |
                            NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX;