diff --git a/drivers/staging/qlge/qlge.h b/drivers/staging/qlge/qlge.h index 0a156a95e981..ba61b4559dd6 100644 --- a/drivers/staging/qlge/qlge.h +++ b/drivers/staging/qlge/qlge.h @@ -1433,7 +1433,6 @@ struct rx_ring { /* Large buffer queue elements. */ u32 lbq_len; /* entry count */ u32 lbq_size; /* size in bytes of queue */ - u32 lbq_buf_size; void *lbq_base; dma_addr_t lbq_base_dma; void *lbq_base_indirect; @@ -2108,6 +2107,7 @@ struct ql_adapter { struct rx_ring rx_ring[MAX_RX_RINGS]; struct tx_ring tx_ring[MAX_TX_RINGS]; unsigned int lbq_buf_order; + u32 lbq_buf_size; int rx_csum; u32 default_rx_queue; diff --git a/drivers/staging/qlge/qlge_dbg.c b/drivers/staging/qlge/qlge_dbg.c index 5599525a19d5..718943e78406 100644 --- a/drivers/staging/qlge/qlge_dbg.c +++ b/drivers/staging/qlge/qlge_dbg.c @@ -1629,6 +1629,7 @@ void ql_dump_qdev(struct ql_adapter *qdev) DUMP_QDEV_FIELD(qdev, "0x%08x", xg_sem_mask); DUMP_QDEV_FIELD(qdev, "0x%08x", port_link_up); DUMP_QDEV_FIELD(qdev, "0x%08x", port_init); + DUMP_QDEV_FIELD(qdev, "%u", lbq_buf_size); } #endif @@ -1773,7 +1774,6 @@ void ql_dump_rx_ring(struct rx_ring *rx_ring) pr_err("rx_ring->lbq_curr_idx = %d\n", rx_ring->lbq_curr_idx); pr_err("rx_ring->lbq_clean_idx = %d\n", rx_ring->lbq_clean_idx); pr_err("rx_ring->lbq_free_cnt = %d\n", rx_ring->lbq_free_cnt); - pr_err("rx_ring->lbq_buf_size = %d\n", rx_ring->lbq_buf_size); pr_err("rx_ring->sbq_base = %p\n", rx_ring->sbq_base); pr_err("rx_ring->sbq_base_dma = %llx\n", diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c index a82920776e6b..2b1cc4b29bed 100644 --- a/drivers/staging/qlge/qlge_main.c +++ b/drivers/staging/qlge/qlge_main.c @@ -995,15 +995,14 @@ static struct bq_desc *ql_get_curr_lchunk(struct ql_adapter *qdev, struct bq_desc *lbq_desc = ql_get_curr_lbuf(rx_ring); pci_dma_sync_single_for_cpu(qdev->pdev, - dma_unmap_addr(lbq_desc, mapaddr), - rx_ring->lbq_buf_size, - PCI_DMA_FROMDEVICE); + dma_unmap_addr(lbq_desc, mapaddr), + qdev->lbq_buf_size, PCI_DMA_FROMDEVICE); /* If it's the last chunk of our master page then * we unmap it. */ - if ((lbq_desc->p.pg_chunk.offset + rx_ring->lbq_buf_size) - == ql_lbq_block_size(qdev)) + if (lbq_desc->p.pg_chunk.offset + qdev->lbq_buf_size == + ql_lbq_block_size(qdev)) pci_unmap_page(qdev->pdev, lbq_desc->p.pg_chunk.map, ql_lbq_block_size(qdev), @@ -1074,11 +1073,11 @@ static int ql_get_next_chunk(struct ql_adapter *qdev, struct rx_ring *rx_ring, /* Adjust the master page chunk for next * buffer get. */ - rx_ring->pg_chunk.offset += rx_ring->lbq_buf_size; + rx_ring->pg_chunk.offset += qdev->lbq_buf_size; if (rx_ring->pg_chunk.offset == ql_lbq_block_size(qdev)) { rx_ring->pg_chunk.page = NULL; } else { - rx_ring->pg_chunk.va += rx_ring->lbq_buf_size; + rx_ring->pg_chunk.va += qdev->lbq_buf_size; get_page(rx_ring->pg_chunk.page); } return 0; @@ -1110,12 +1109,12 @@ static void ql_update_lbq(struct ql_adapter *qdev, struct rx_ring *rx_ring) lbq_desc->p.pg_chunk.offset; dma_unmap_addr_set(lbq_desc, mapaddr, map); dma_unmap_len_set(lbq_desc, maplen, - rx_ring->lbq_buf_size); + qdev->lbq_buf_size); *lbq_desc->addr = cpu_to_le64(map); pci_dma_sync_single_for_device(qdev->pdev, map, - rx_ring->lbq_buf_size, - PCI_DMA_FROMDEVICE); + qdev->lbq_buf_size, + PCI_DMA_FROMDEVICE); clean_idx++; if (clean_idx == rx_ring->lbq_len) clean_idx = 0; @@ -1880,8 +1879,7 @@ static struct sk_buff *ql_build_rx_skb(struct ql_adapter *qdev, } do { lbq_desc = ql_get_curr_lchunk(qdev, rx_ring); - size = (length < rx_ring->lbq_buf_size) ? length : - rx_ring->lbq_buf_size; + size = min(length, qdev->lbq_buf_size); netif_printk(qdev, rx_status, KERN_DEBUG, qdev->ndev, "Adding page %d to skb for %d bytes.\n", @@ -2776,12 +2774,12 @@ pci_alloc_err: static void ql_free_lbq_buffers(struct ql_adapter *qdev, struct rx_ring *rx_ring) { - unsigned int last_offset = ql_lbq_block_size(qdev) - - rx_ring->lbq_buf_size; + unsigned int last_offset; struct bq_desc *lbq_desc; uint32_t curr_idx, clean_idx; + last_offset = ql_lbq_block_size(qdev) - qdev->lbq_buf_size; curr_idx = rx_ring->lbq_curr_idx; clean_idx = rx_ring->lbq_clean_idx; while (curr_idx != clean_idx) { @@ -3149,8 +3147,8 @@ static int ql_start_rx_ring(struct ql_adapter *qdev, struct rx_ring *rx_ring) } while (page_entries < MAX_DB_PAGES_PER_BQ(rx_ring->lbq_len)); cqicb->lbq_addr = cpu_to_le64(rx_ring->lbq_base_indirect_dma); - bq_len = (rx_ring->lbq_buf_size == 65536) ? 0 : - (u16) rx_ring->lbq_buf_size; + bq_len = (qdev->lbq_buf_size == 65536) ? 0 : + (u16)qdev->lbq_buf_size; cqicb->lbq_buf_size = cpu_to_le16(bq_len); bq_len = (rx_ring->lbq_len == 65536) ? 0 : (u16) rx_ring->lbq_len; @@ -4059,16 +4057,21 @@ static int qlge_close(struct net_device *ndev) return 0; } +static void qlge_set_lb_size(struct ql_adapter *qdev) +{ + if (qdev->ndev->mtu <= 1500) + qdev->lbq_buf_size = LARGE_BUFFER_MIN_SIZE; + else + qdev->lbq_buf_size = LARGE_BUFFER_MAX_SIZE; + qdev->lbq_buf_order = get_order(qdev->lbq_buf_size); +} + static int ql_configure_rings(struct ql_adapter *qdev) { int i; struct rx_ring *rx_ring; struct tx_ring *tx_ring; int cpu_cnt = min(MAX_CPUS, (int)num_online_cpus()); - unsigned int lbq_buf_len = (qdev->ndev->mtu > 1500) ? - LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE; - - qdev->lbq_buf_order = get_order(lbq_buf_len); /* In a perfect world we have one RSS ring for each CPU * and each has it's own vector. To do that we ask for @@ -4116,7 +4119,6 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->lbq_len = NUM_LARGE_BUFFERS; rx_ring->lbq_size = rx_ring->lbq_len * sizeof(__le64); - rx_ring->lbq_buf_size = (u16)lbq_buf_len; rx_ring->sbq_len = NUM_SMALL_BUFFERS; rx_ring->sbq_size = rx_ring->sbq_len * sizeof(__le64); @@ -4132,7 +4134,6 @@ static int ql_configure_rings(struct ql_adapter *qdev) rx_ring->cq_len * sizeof(struct ql_net_rsp_iocb); rx_ring->lbq_len = 0; rx_ring->lbq_size = 0; - rx_ring->lbq_buf_size = 0; rx_ring->sbq_len = 0; rx_ring->sbq_size = 0; rx_ring->sbq_buf_size = 0; @@ -4151,6 +4152,7 @@ static int qlge_open(struct net_device *ndev) if (err) return err; + qlge_set_lb_size(qdev); err = ql_configure_rings(qdev); if (err) return err; @@ -4172,9 +4174,7 @@ error_up: static int ql_change_rx_buffers(struct ql_adapter *qdev) { - struct rx_ring *rx_ring; - int i, status; - u32 lbq_buf_len; + int status; /* Wait for an outstanding reset to complete. */ if (!test_bit(QL_ADAPTER_UP, &qdev->flags)) { @@ -4197,16 +4197,7 @@ static int ql_change_rx_buffers(struct ql_adapter *qdev) if (status) goto error; - /* Get the new rx buffer size. */ - lbq_buf_len = (qdev->ndev->mtu > 1500) ? - LARGE_BUFFER_MAX_SIZE : LARGE_BUFFER_MIN_SIZE; - qdev->lbq_buf_order = get_order(lbq_buf_len); - - for (i = 0; i < qdev->rss_ring_count; i++) { - rx_ring = &qdev->rx_ring[i]; - /* Set the new size. */ - rx_ring->lbq_buf_size = lbq_buf_len; - } + qlge_set_lb_size(qdev); status = ql_adapter_up(qdev); if (status)