diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 575 |
1 files changed, 468 insertions, 107 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 1f72adaef709..1bd0c5973252 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3316,37 +3316,12 @@ static void bnxt_free_tx_skbs(struct bnxt *bp) } } -static void bnxt_free_one_rx_ring_skbs(struct bnxt *bp, int ring_nr) +static void bnxt_free_one_rx_ring(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) { - struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; struct pci_dev *pdev = bp->pdev; - struct bnxt_tpa_idx_map *map; - int i, max_idx, max_agg_idx; + int i, max_idx; max_idx = bp->rx_nr_pages * RX_DESC_CNT; - max_agg_idx = bp->rx_agg_nr_pages * RX_DESC_CNT; - if (!rxr->rx_tpa) - goto skip_rx_tpa_free; - - for (i = 0; i < bp->max_tpa; i++) { - struct bnxt_tpa_info *tpa_info = &rxr->rx_tpa[i]; - u8 *data = tpa_info->data; - - if (!data) - continue; - - dma_unmap_single_attrs(&pdev->dev, tpa_info->mapping, - bp->rx_buf_use_size, bp->rx_dir, - DMA_ATTR_WEAK_ORDERING); - - tpa_info->data = NULL; - - skb_free_frag(data); - } - -skip_rx_tpa_free: - if (!rxr->rx_buf_ring) - goto skip_rx_buf_free; for (i = 0; i < max_idx; i++) { struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[i]; @@ -3366,12 +3341,15 @@ skip_rx_tpa_free: skb_free_frag(data); } } +} -skip_rx_buf_free: - if (!rxr->rx_agg_ring) - goto skip_rx_agg_free; +static void bnxt_free_one_rx_agg_ring(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) +{ + int i, max_idx; + + max_idx = bp->rx_agg_nr_pages * RX_DESC_CNT; - for (i = 0; i < max_agg_idx; i++) { + for (i = 0; i < max_idx; i++) { struct bnxt_sw_rx_agg_bd *rx_agg_buf = &rxr->rx_agg_ring[i]; struct page *page = rx_agg_buf->page; @@ -3383,6 +3361,45 @@ skip_rx_buf_free: page_pool_recycle_direct(rxr->page_pool, page); } +} + +static void bnxt_free_one_rx_ring_skbs(struct bnxt *bp, int ring_nr) +{ + struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; + struct pci_dev *pdev = bp->pdev; + struct bnxt_tpa_idx_map *map; + int i; + + if (!rxr->rx_tpa) + goto skip_rx_tpa_free; + + for (i = 0; i < bp->max_tpa; i++) { + struct bnxt_tpa_info *tpa_info = &rxr->rx_tpa[i]; + u8 *data = tpa_info->data; + + if (!data) + continue; + + dma_unmap_single_attrs(&pdev->dev, tpa_info->mapping, + bp->rx_buf_use_size, bp->rx_dir, + DMA_ATTR_WEAK_ORDERING); + + tpa_info->data = NULL; + + skb_free_frag(data); + } + +skip_rx_tpa_free: + if (!rxr->rx_buf_ring) + goto skip_rx_buf_free; + + bnxt_free_one_rx_ring(bp, rxr); + +skip_rx_buf_free: + if (!rxr->rx_agg_ring) + goto skip_rx_agg_free; + + bnxt_free_one_rx_agg_ring(bp, rxr); skip_rx_agg_free: map = rxr->rx_tpa_idx_map; @@ -3979,6 +3996,62 @@ static int bnxt_alloc_cp_rings(struct bnxt *bp) return 0; } +static void bnxt_init_rx_ring_struct(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) +{ + struct bnxt_ring_mem_info *rmem; + struct bnxt_ring_struct *ring; + + ring = &rxr->rx_ring_struct; + rmem = &ring->ring_mem; + rmem->nr_pages = bp->rx_nr_pages; + rmem->page_size = HW_RXBD_RING_SIZE; + rmem->pg_arr = (void **)rxr->rx_desc_ring; + rmem->dma_arr = rxr->rx_desc_mapping; + rmem->vmem_size = SW_RXBD_RING_SIZE * bp->rx_nr_pages; + rmem->vmem = (void **)&rxr->rx_buf_ring; + + ring = &rxr->rx_agg_ring_struct; + rmem = &ring->ring_mem; + rmem->nr_pages = bp->rx_agg_nr_pages; + rmem->page_size = HW_RXBD_RING_SIZE; + rmem->pg_arr = (void **)rxr->rx_agg_desc_ring; + rmem->dma_arr = rxr->rx_agg_desc_mapping; + rmem->vmem_size = SW_RXBD_AGG_RING_SIZE * bp->rx_agg_nr_pages; + rmem->vmem = (void **)&rxr->rx_agg_ring; +} + +static void bnxt_reset_rx_ring_struct(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) +{ + struct bnxt_ring_mem_info *rmem; + struct bnxt_ring_struct *ring; + int i; + + rxr->page_pool->p.napi = NULL; + rxr->page_pool = NULL; + + ring = &rxr->rx_ring_struct; + rmem = &ring->ring_mem; + rmem->pg_tbl = NULL; + rmem->pg_tbl_map = 0; + for (i = 0; i < rmem->nr_pages; i++) { + rmem->pg_arr[i] = NULL; + rmem->dma_arr[i] = 0; + } + *rmem->vmem = NULL; + + ring = &rxr->rx_agg_ring_struct; + rmem = &ring->ring_mem; + rmem->pg_tbl = NULL; + rmem->pg_tbl_map = 0; + for (i = 0; i < rmem->nr_pages; i++) { + rmem->pg_arr[i] = NULL; + rmem->dma_arr[i] = 0; + } + *rmem->vmem = NULL; +} + static void bnxt_init_ring_struct(struct bnxt *bp) { int i, j; @@ -4061,37 +4134,55 @@ static void bnxt_init_rxbd_pages(struct bnxt_ring_struct *ring, u32 type) } } -static int bnxt_alloc_one_rx_ring(struct bnxt *bp, int ring_nr) +static void bnxt_alloc_one_rx_ring_skb(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr, + int ring_nr) { - struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; - struct net_device *dev = bp->dev; u32 prod; int i; prod = rxr->rx_prod; for (i = 0; i < bp->rx_ring_size; i++) { if (bnxt_alloc_rx_data(bp, rxr, prod, GFP_KERNEL)) { - netdev_warn(dev, "init'ed rx ring %d with %d/%d skbs only\n", + netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d skbs only\n", ring_nr, i, bp->rx_ring_size); break; } prod = NEXT_RX(prod); } rxr->rx_prod = prod; +} - if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) - return 0; +static void bnxt_alloc_one_rx_ring_page(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr, + int ring_nr) +{ + u32 prod; + int i; prod = rxr->rx_agg_prod; for (i = 0; i < bp->rx_agg_ring_size; i++) { if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_KERNEL)) { - netdev_warn(dev, "init'ed rx ring %d with %d/%d pages only\n", + netdev_warn(bp->dev, "init'ed rx ring %d with %d/%d pages only\n", ring_nr, i, bp->rx_ring_size); break; } prod = NEXT_RX_AGG(prod); } rxr->rx_agg_prod = prod; +} + +static int bnxt_alloc_one_rx_ring(struct bnxt *bp, int ring_nr) +{ + struct bnxt_rx_ring_info *rxr = &bp->rx_ring[ring_nr]; + int i; + + bnxt_alloc_one_rx_ring_skb(bp, rxr, ring_nr); + + if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) + return 0; + + bnxt_alloc_one_rx_ring_page(bp, rxr, ring_nr); if (rxr->rx_tpa) { dma_addr_t mapping; @@ -4110,9 +4201,9 @@ static int bnxt_alloc_one_rx_ring(struct bnxt *bp, int ring_nr) return 0; } -static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) +static void bnxt_init_one_rx_ring_rxbd(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) { - struct bnxt_rx_ring_info *rxr; struct bnxt_ring_struct *ring; u32 type; @@ -4122,28 +4213,43 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) if (NET_IP_ALIGN == 2) type |= RX_BD_FLAGS_SOP; - rxr = &bp->rx_ring[ring_nr]; ring = &rxr->rx_ring_struct; bnxt_init_rxbd_pages(ring, type); - - netif_queue_set_napi(bp->dev, ring_nr, NETDEV_QUEUE_TYPE_RX, - &rxr->bnapi->napi); - - if (BNXT_RX_PAGE_MODE(bp) && bp->xdp_prog) { - bpf_prog_add(bp->xdp_prog, 1); - rxr->xdp_prog = bp->xdp_prog; - } ring->fw_ring_id = INVALID_HW_RING_ID; +} + +static void bnxt_init_one_rx_agg_ring_rxbd(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) +{ + struct bnxt_ring_struct *ring; + u32 type; ring = &rxr->rx_agg_ring_struct; ring->fw_ring_id = INVALID_HW_RING_ID; - if ((bp->flags & BNXT_FLAG_AGG_RINGS)) { 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); } +} + +static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) +{ + struct bnxt_rx_ring_info *rxr; + + rxr = &bp->rx_ring[ring_nr]; + bnxt_init_one_rx_ring_rxbd(bp, rxr); + + netif_queue_set_napi(bp->dev, ring_nr, NETDEV_QUEUE_TYPE_RX, + &rxr->bnapi->napi); + + if (BNXT_RX_PAGE_MODE(bp) && bp->xdp_prog) { + bpf_prog_add(bp->xdp_prog, 1); + rxr->xdp_prog = bp->xdp_prog; + } + + bnxt_init_one_rx_agg_ring_rxbd(bp, rxr); return bnxt_alloc_one_rx_ring(bp, ring_nr); } @@ -6868,6 +6974,48 @@ static void bnxt_set_db(struct bnxt *bp, struct bnxt_db_info *db, u32 ring_type, bnxt_set_db_mask(bp, db, ring_type); } +static int bnxt_hwrm_rx_ring_alloc(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) +{ + struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; + struct bnxt_napi *bnapi = rxr->bnapi; + u32 type = HWRM_RING_ALLOC_RX; + u32 map_idx = bnapi->index; + int rc; + + rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); + if (rc) + return rc; + + bnxt_set_db(bp, &rxr->rx_db, type, map_idx, ring->fw_ring_id); + bp->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id; + + return 0; +} + +static int bnxt_hwrm_rx_agg_ring_alloc(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr) +{ + struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct; + u32 type = HWRM_RING_ALLOC_AGG; + u32 grp_idx = ring->grp_idx; + u32 map_idx; + int rc; + + map_idx = grp_idx + bp->rx_nr_rings; + rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); + if (rc) + return rc; + + bnxt_set_db(bp, &rxr->rx_agg_db, type, map_idx, + ring->fw_ring_id); + bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); + bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); + bp->grp_info[grp_idx].agg_fw_ring_id = ring->fw_ring_id; + + return 0; +} + static int bnxt_hwrm_ring_alloc(struct bnxt *bp) { bool agg_rings = !!(bp->flags & BNXT_FLAG_AGG_RINGS); @@ -6933,24 +7081,21 @@ static int bnxt_hwrm_ring_alloc(struct bnxt *bp) bnxt_set_db(bp, &txr->tx_db, type, map_idx, ring->fw_ring_id); } - type = HWRM_RING_ALLOC_RX; for (i = 0; i < bp->rx_nr_rings; i++) { struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; - struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; - struct bnxt_napi *bnapi = rxr->bnapi; - u32 map_idx = bnapi->index; - rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); + rc = bnxt_hwrm_rx_ring_alloc(bp, rxr); if (rc) goto err_out; - bnxt_set_db(bp, &rxr->rx_db, type, map_idx, ring->fw_ring_id); /* If we have agg rings, post agg buffers first. */ if (!agg_rings) bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); - bp->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id; if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) { struct bnxt_cp_ring_info *cpr2 = rxr->rx_cpr; + struct bnxt_napi *bnapi = rxr->bnapi; u32 type2 = HWRM_RING_ALLOC_CMPL; + struct bnxt_ring_struct *ring; + u32 map_idx = bnapi->index; ring = &cpr2->cp_ring_struct; ring->handle = BNXT_SET_NQ_HDL(cpr2); @@ -6964,23 +7109,10 @@ static int bnxt_hwrm_ring_alloc(struct bnxt *bp) } if (agg_rings) { - type = HWRM_RING_ALLOC_AGG; for (i = 0; i < bp->rx_nr_rings; i++) { - struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; - struct bnxt_ring_struct *ring = - &rxr->rx_agg_ring_struct; - u32 grp_idx = ring->grp_idx; - u32 map_idx = grp_idx + bp->rx_nr_rings; - - rc = hwrm_ring_alloc_send_msg(bp, ring, type, map_idx); + rc = bnxt_hwrm_rx_agg_ring_alloc(bp, &bp->rx_ring[i]); if (rc) goto err_out; - - bnxt_set_db(bp, &rxr->rx_agg_db, type, map_idx, - ring->fw_ring_id); - bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); - bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); - bp->grp_info[grp_idx].agg_fw_ring_id = ring->fw_ring_id; } } err_out: @@ -7020,6 +7152,50 @@ exit: return 0; } +static void bnxt_hwrm_rx_ring_free(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr, + bool close_path) +{ + struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; + u32 grp_idx = rxr->bnapi->index; + u32 cmpl_ring_id; + + if (ring->fw_ring_id == INVALID_HW_RING_ID) + return; + + cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); + hwrm_ring_free_send_msg(bp, ring, + RING_FREE_REQ_RING_TYPE_RX, + close_path ? cmpl_ring_id : + INVALID_HW_RING_ID); + ring->fw_ring_id = INVALID_HW_RING_ID; + bp->grp_info[grp_idx].rx_fw_ring_id = INVALID_HW_RING_ID; +} + +static void bnxt_hwrm_rx_agg_ring_free(struct bnxt *bp, + struct bnxt_rx_ring_info *rxr, + bool close_path) +{ + struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct; + u32 grp_idx = rxr->bnapi->index; + u32 type, cmpl_ring_id; + + if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) + type = RING_FREE_REQ_RING_TYPE_RX_AGG; + else + type = RING_FREE_REQ_RING_TYPE_RX; + + if (ring->fw_ring_id == INVALID_HW_RING_ID) + return; + + cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); + hwrm_ring_free_send_msg(bp, ring, type, + close_path ? cmpl_ring_id : + INVALID_HW_RING_ID); + ring->fw_ring_id = INVALID_HW_RING_ID; + bp->grp_info[grp_idx].agg_fw_ring_id = INVALID_HW_RING_ID; +} + static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) { u32 type; @@ -7044,42 +7220,8 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) } for (i = 0; i < bp->rx_nr_rings; i++) { - struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; - struct bnxt_ring_struct *ring = &rxr->rx_ring_struct; - u32 grp_idx = rxr->bnapi->index; - - if (ring->fw_ring_id != INVALID_HW_RING_ID) { - u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); - - hwrm_ring_free_send_msg(bp, ring, - RING_FREE_REQ_RING_TYPE_RX, - close_path ? cmpl_ring_id : - INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; - bp->grp_info[grp_idx].rx_fw_ring_id = - INVALID_HW_RING_ID; - } - } - - if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) - type = RING_FREE_REQ_RING_TYPE_RX_AGG; - else - type = RING_FREE_REQ_RING_TYPE_RX; - for (i = 0; i < bp->rx_nr_rings; i++) { - struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i]; - struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct; - u32 grp_idx = rxr->bnapi->index; - - if (ring->fw_ring_id != INVALID_HW_RING_ID) { - u32 cmpl_ring_id = bnxt_cp_ring_for_rx(bp, rxr); - - hwrm_ring_free_send_msg(bp, ring, type, - close_path ? cmpl_ring_id : - INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; - bp->grp_info[grp_idx].agg_fw_ring_id = - INVALID_HW_RING_ID; - } + bnxt_hwrm_rx_ring_free(bp, &bp->rx_ring[i], close_path); + bnxt_hwrm_rx_agg_ring_free(bp, &bp->rx_ring[i], close_path); } /* The completion rings are about to be freed. After that the @@ -14828,6 +14970,224 @@ static const struct netdev_stat_ops bnxt_stat_ops = { .get_base_stats = bnxt_get_base_stats, }; +static int bnxt_alloc_rx_agg_bmap(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) +{ + u16 mem_size; + + rxr->rx_agg_bmap_size = bp->rx_agg_ring_mask + 1; + mem_size = rxr->rx_agg_bmap_size / 8; + rxr->rx_agg_bmap = kzalloc(mem_size, GFP_KERNEL); + if (!rxr->rx_agg_bmap) + return -ENOMEM; + + return 0; +} + +static int bnxt_queue_mem_alloc(struct net_device *dev, void *qmem, int idx) +{ + struct bnxt_rx_ring_info *rxr, *clone; + struct bnxt *bp = netdev_priv(dev); + struct bnxt_ring_struct *ring; + int rc; + + rxr = &bp->rx_ring[idx]; + clone = qmem; + memcpy(clone, rxr, sizeof(*rxr)); + bnxt_init_rx_ring_struct(bp, clone); + bnxt_reset_rx_ring_struct(bp, clone); + + clone->rx_prod = 0; + clone->rx_agg_prod = 0; + clone->rx_sw_agg_prod = 0; + clone->rx_next_cons = 0; + + rc = bnxt_alloc_rx_page_pool(bp, clone, rxr->page_pool->p.nid); + if (rc) + return rc; + + ring = &clone->rx_ring_struct; + rc = bnxt_alloc_ring(bp, &ring->ring_mem); + if (rc) + goto err_free_rx_ring; + + if (bp->flags & BNXT_FLAG_AGG_RINGS) { + ring = &clone->rx_agg_ring_struct; + rc = bnxt_alloc_ring(bp, &ring->ring_mem); + if (rc) + goto err_free_rx_agg_ring; + + rc = bnxt_alloc_rx_agg_bmap(bp, clone); + if (rc) + goto err_free_rx_agg_ring; + } + + bnxt_init_one_rx_ring_rxbd(bp, clone); + bnxt_init_one_rx_agg_ring_rxbd(bp, clone); + + bnxt_alloc_one_rx_ring_skb(bp, clone, idx); + if (bp->flags & BNXT_FLAG_AGG_RINGS) + bnxt_alloc_one_rx_ring_page(bp, clone, idx); + + return 0; + +err_free_rx_agg_ring: + bnxt_free_ring(bp, &clone->rx_agg_ring_struct.ring_mem); +err_free_rx_ring: + bnxt_free_ring(bp, &clone->rx_ring_struct.ring_mem); + clone->page_pool->p.napi = NULL; + page_pool_destroy(clone->page_pool); + clone->page_pool = NULL; + return rc; +} + +static void bnxt_queue_mem_free(struct net_device *dev, void *qmem) +{ + struct bnxt_rx_ring_info *rxr = qmem; + struct bnxt *bp = netdev_priv(dev); + struct bnxt_ring_struct *ring; + + bnxt_free_one_rx_ring(bp, rxr); + bnxt_free_one_rx_agg_ring(bp, rxr); + + /* At this point, this NAPI instance has another page pool associated + * with it. Disconnect here before freeing the old page pool to avoid + * warnings. + */ + rxr->page_pool->p.napi = NULL; + page_pool_destroy(rxr->page_pool); + rxr->page_pool = NULL; + + ring = &rxr->rx_ring_struct; + bnxt_free_ring(bp, &ring->ring_mem); + + ring = &rxr->rx_agg_ring_struct; + bnxt_free_ring(bp, &ring->ring_mem); + + kfree(rxr->rx_agg_bmap); + rxr->rx_agg_bmap = NULL; +} + +static void bnxt_copy_rx_ring(struct bnxt *bp, + struct bnxt_rx_ring_info *dst, + struct bnxt_rx_ring_info *src) +{ + struct bnxt_ring_mem_info *dst_rmem, *src_rmem; + struct bnxt_ring_struct *dst_ring, *src_ring; + int i; + + dst_ring = &dst->rx_ring_struct; + dst_rmem = &dst_ring->ring_mem; + src_ring = &src->rx_ring_struct; + src_rmem = &src_ring->ring_mem; + + WARN_ON(dst_rmem->nr_pages != src_rmem->nr_pages); + WARN_ON(dst_rmem->page_size != src_rmem->page_size); + WARN_ON(dst_rmem->flags != src_rmem->flags); + WARN_ON(dst_rmem->depth != src_rmem->depth); + WARN_ON(dst_rmem->vmem_size != src_rmem->vmem_size); + WARN_ON(dst_rmem->ctx_mem != src_rmem->ctx_mem); + + dst_rmem->pg_tbl = src_rmem->pg_tbl; + dst_rmem->pg_tbl_map = src_rmem->pg_tbl_map; + *dst_rmem->vmem = *src_rmem->vmem; + for (i = 0; i < dst_rmem->nr_pages; i++) { + dst_rmem->pg_arr[i] = src_rmem->pg_arr[i]; + dst_rmem->dma_arr[i] = src_rmem->dma_arr[i]; + } + + if (!(bp->flags & BNXT_FLAG_AGG_RINGS)) + return; + + dst_ring = &dst->rx_agg_ring_struct; + dst_rmem = &dst_ring->ring_mem; + src_ring = &src->rx_agg_ring_struct; + src_rmem = &src_ring->ring_mem; + + WARN_ON(dst_rmem->nr_pages != src_rmem->nr_pages); + WARN_ON(dst_rmem->page_size != src_rmem->page_size); + WARN_ON(dst_rmem->flags != src_rmem->flags); + WARN_ON(dst_rmem->depth != src_rmem->depth); + WARN_ON(dst_rmem->vmem_size != src_rmem->vmem_size); + WARN_ON(dst_rmem->ctx_mem != src_rmem->ctx_mem); + WARN_ON(dst->rx_agg_bmap_size != src->rx_agg_bmap_size); + + dst_rmem->pg_tbl = src_rmem->pg_tbl; + dst_rmem->pg_tbl_map = src_rmem->pg_tbl_map; + *dst_rmem->vmem = *src_rmem->vmem; + for (i = 0; i < dst_rmem->nr_pages; i++) { + dst_rmem->pg_arr[i] = src_rmem->pg_arr[i]; + dst_rmem->dma_arr[i] = src_rmem->dma_arr[i]; + } + + dst->rx_agg_bmap = src->rx_agg_bmap; +} + +static int bnxt_queue_start(struct net_device *dev, void *qmem, int idx) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_rx_ring_info *rxr, *clone; + struct bnxt_cp_ring_info *cpr; + int rc; + + rxr = &bp->rx_ring[idx]; + clone = qmem; + + rxr->rx_prod = clone->rx_prod; + rxr->rx_agg_prod = clone->rx_agg_prod; + rxr->rx_sw_agg_prod = clone->rx_sw_agg_prod; + rxr->rx_next_cons = clone->rx_next_cons; + rxr->page_pool = clone->page_pool; + + bnxt_copy_rx_ring(bp, rxr, clone); + + rc = bnxt_hwrm_rx_ring_alloc(bp, rxr); + if (rc) + return rc; + rc = bnxt_hwrm_rx_agg_ring_alloc(bp, rxr); + if (rc) + goto err_free_hwrm_rx_ring; + + bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); + if (bp->flags & BNXT_FLAG_AGG_RINGS) + bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); + + napi_enable(&rxr->bnapi->napi); + + cpr = &rxr->bnapi->cp_ring; + cpr->sw_stats->rx.rx_resets++; + + return 0; + +err_free_hwrm_rx_ring: + bnxt_hwrm_rx_ring_free(bp, rxr, false); + return rc; +} + +static int bnxt_queue_stop(struct net_device *dev, void *qmem, int idx) +{ + struct bnxt *bp = netdev_priv(dev); + struct bnxt_rx_ring_info *rxr; + + rxr = &bp->rx_ring[idx]; + napi_disable(&rxr->bnapi->napi); + bnxt_hwrm_rx_ring_free(bp, rxr, false); + bnxt_hwrm_rx_agg_ring_free(bp, rxr, false); + rxr->rx_next_cons = 0; + + memcpy(qmem, rxr, sizeof(*rxr)); + bnxt_init_rx_ring_struct(bp, qmem); + + return 0; +} + +static const struct netdev_queue_mgmt_ops bnxt_queue_mgmt_ops = { + .ndo_queue_mem_size = sizeof(struct bnxt_rx_ring_info), + .ndo_queue_mem_alloc = bnxt_queue_mem_alloc, + .ndo_queue_mem_free = bnxt_queue_mem_free, + .ndo_queue_start = bnxt_queue_start, + .ndo_queue_stop = bnxt_queue_stop, +}; + static void bnxt_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); @@ -15293,6 +15653,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->stat_ops = &bnxt_stat_ops; dev->watchdog_timeo = BNXT_TX_TIMEOUT; dev->ethtool_ops = &bnxt_ethtool_ops; + dev->queue_mgmt_ops = &bnxt_queue_mgmt_ops; pci_set_drvdata(pdev, dev); rc = bnxt_alloc_hwrm_resources(bp); |