diff options
Diffstat (limited to 'drivers/net/bnx2.c')
| -rw-r--r-- | drivers/net/bnx2.c | 104 |
1 files changed, 102 insertions, 2 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index db3b7503bb1..38e8e31cabf 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -483,6 +483,16 @@ bnx2_free_mem(struct bnx2 *bp) } vfree(bp->rx_buf_ring); bp->rx_buf_ring = NULL; + for (i = 0; i < bp->rx_max_pg_ring; i++) { + if (bp->rx_pg_desc_ring[i]) + pci_free_consistent(bp->pdev, RXBD_RING_SIZE, + bp->rx_pg_desc_ring[i], + bp->rx_pg_desc_mapping[i]); + bp->rx_pg_desc_ring[i] = NULL; + } + if (bp->rx_pg_ring) + vfree(bp->rx_pg_ring); + bp->rx_pg_ring = NULL; } static int @@ -514,6 +524,25 @@ bnx2_alloc_mem(struct bnx2 *bp) } + if (bp->rx_pg_ring_size) { + bp->rx_pg_ring = vmalloc(SW_RXPG_RING_SIZE * + bp->rx_max_pg_ring); + if (bp->rx_pg_ring == NULL) + goto alloc_mem_err; + + memset(bp->rx_pg_ring, 0, SW_RXPG_RING_SIZE * + bp->rx_max_pg_ring); + } + + for (i = 0; i < bp->rx_max_pg_ring; i++) { + bp->rx_pg_desc_ring[i] = + pci_alloc_consistent(bp->pdev, RXBD_RING_SIZE, + &bp->rx_pg_desc_mapping[i]); + if (bp->rx_pg_desc_ring[i] == NULL) + goto alloc_mem_err; + + } + /* Combine status and statistics blocks into one allocation. */ status_blk_size = L1_CACHE_ALIGN(sizeof(struct status_block)); bp->status_stats_size = status_blk_size + @@ -2195,6 +2224,42 @@ bnx2_set_mac_addr(struct bnx2 *bp) } static inline int +bnx2_alloc_rx_page(struct bnx2 *bp, u16 index) +{ + dma_addr_t mapping; + struct sw_pg *rx_pg = &bp->rx_pg_ring[index]; + struct rx_bd *rxbd = + &bp->rx_pg_desc_ring[RX_RING(index)][RX_IDX(index)]; + struct page *page = alloc_page(GFP_ATOMIC); + + if (!page) + return -ENOMEM; + mapping = pci_map_page(bp->pdev, page, 0, PAGE_SIZE, + PCI_DMA_FROMDEVICE); + rx_pg->page = page; + pci_unmap_addr_set(rx_pg, mapping, mapping); + rxbd->rx_bd_haddr_hi = (u64) mapping >> 32; + rxbd->rx_bd_haddr_lo = (u64) mapping & 0xffffffff; + return 0; +} + +static void +bnx2_free_rx_page(struct bnx2 *bp, u16 index) +{ + struct sw_pg *rx_pg = &bp->rx_pg_ring[index]; + struct page *page = rx_pg->page; + + if (!page) + return; + + pci_unmap_page(bp->pdev, pci_unmap_addr(rx_pg, mapping), PAGE_SIZE, + PCI_DMA_FROMDEVICE); + + __free_page(page); + rx_pg->page = NULL; +} + +static inline int bnx2_alloc_rx_skb(struct bnx2 *bp, u16 index) { struct sk_buff *skb; @@ -4213,11 +4278,31 @@ bnx2_init_rx_ring(struct bnx2 *bp) bp->rx_prod = 0; bp->rx_cons = 0; bp->rx_prod_bseq = 0; + bp->rx_pg_prod = 0; + bp->rx_pg_cons = 0; bnx2_init_rxbd_rings(bp->rx_desc_ring, bp->rx_desc_mapping, bp->rx_buf_use_size, bp->rx_max_ring); CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, 0); + if (bp->rx_pg_ring_size) { + bnx2_init_rxbd_rings(bp->rx_pg_desc_ring, + bp->rx_pg_desc_mapping, + PAGE_SIZE, bp->rx_max_pg_ring); + val = (bp->rx_buf_use_size << 16) | PAGE_SIZE; + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_PG_BUF_SIZE, val); + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_RBDC_KEY, + BNX2_L2CTX_RBDC_JUMBO_KEY); + + val = (u64) bp->rx_pg_desc_mapping[0] >> 32; + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_HI, val); + + val = (u64) bp->rx_pg_desc_mapping[0] & 0xffffffff; + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_PG_BDHADDR_LO, val); + + if (CHIP_NUM(bp) == CHIP_NUM_5709) + REG_WR(bp, BNX2_MQ_MAP_L2_3, BNX2_MQ_MAP_L2_3_DEFAULT); + } val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE; val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2; @@ -4230,6 +4315,15 @@ bnx2_init_rx_ring(struct bnx2 *bp) val = (u64) bp->rx_desc_mapping[0] & 0xffffffff; CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val); + ring_prod = prod = bp->rx_pg_prod; + for (i = 0; i < bp->rx_pg_ring_size; i++) { + if (bnx2_alloc_rx_page(bp, ring_prod) < 0) + break; + prod = NEXT_RX_BD(prod); + ring_prod = RX_PG_RING_IDX(prod); + } + bp->rx_pg_prod = prod; + ring_prod = prod = bp->rx_prod; for (i = 0; i < bp->rx_ring_size; i++) { if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) { @@ -4240,6 +4334,7 @@ bnx2_init_rx_ring(struct bnx2 *bp) } bp->rx_prod = prod; + REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_PG_BDIDX, bp->rx_pg_prod); REG_WR16(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BDIDX, prod); REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq); @@ -4273,6 +4368,9 @@ bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8; bp->rx_copy_thresh = RX_COPY_THRESH; + bp->rx_pg_ring_size = 0; + bp->rx_max_pg_ring = 0; + bp->rx_max_pg_ring_idx = 0; bp->rx_buf_use_size = rx_size; /* hw alignment */ @@ -4341,6 +4439,8 @@ bnx2_free_rx_skbs(struct bnx2 *bp) dev_kfree_skb(skb); } + for (i = 0; i < bp->rx_max_pg_ring_idx; i++) + bnx2_free_rx_page(bp, i); } static void @@ -5813,11 +5913,11 @@ bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) ering->rx_max_pending = MAX_TOTAL_RX_DESC_CNT; ering->rx_mini_max_pending = 0; - ering->rx_jumbo_max_pending = 0; + ering->rx_jumbo_max_pending = MAX_TOTAL_RX_PG_DESC_CNT; ering->rx_pending = bp->rx_ring_size; ering->rx_mini_pending = 0; - ering->rx_jumbo_pending = 0; + ering->rx_jumbo_pending = bp->rx_pg_ring_size; ering->tx_max_pending = MAX_TX_DESC_CNT; ering->tx_pending = bp->tx_ring_size; |