diff options
| -rw-r--r-- | drivers/net/bnx2.c | 141 | ||||
| -rw-r--r-- | drivers/net/bnx2.h | 8 |
2 files changed, 85 insertions, 64 deletions
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 14119fb..81971b1 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -2117,15 +2117,12 @@ bnx2_init_context(struct bnx2 *bp) vcid_addr += (i << PHY_CTX_SHIFT); pcid_addr += (i << PHY_CTX_SHIFT); - REG_WR(bp, BNX2_CTX_VIRT_ADDR, 0x00); + REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr); REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr); /* Zero out the context. */ for (offset = 0; offset < PHY_CTX_SIZE; offset += 4) - CTX_WR(bp, 0x00, offset, 0); - - REG_WR(bp, BNX2_CTX_VIRT_ADDR, vcid_addr); - REG_WR(bp, BNX2_CTX_PAGE_TBL, pcid_addr); + CTX_WR(bp, vcid_addr, offset, 0); } } } @@ -2459,10 +2456,7 @@ bnx2_rx_int(struct bnx2 *bp, int budget) goto next_rx; } - /* Since we don't have a jumbo ring, copy small packets - * if mtu > 1500 - */ - if ((bp->dev->mtu > 1500) && (len <= RX_COPY_THRESH)) { + if (len <= bp->rx_copy_thresh) { struct sk_buff *new_skb; new_skb = netdev_alloc_skb(bp->dev, len + 2); @@ -4172,50 +4166,57 @@ bnx2_init_tx_ring(struct bnx2 *bp) } static void -bnx2_init_rx_ring(struct bnx2 *bp) +bnx2_init_rxbd_rings(struct rx_bd *rx_ring[], dma_addr_t dma[], u32 buf_size, + int num_rings) { - struct rx_bd *rxbd; int i; - u16 prod, ring_prod; - u32 val; - - /* 8 for CRC and VLAN */ - bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8; - /* hw alignment */ - bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN; - - ring_prod = prod = bp->rx_prod = 0; - bp->rx_cons = 0; - bp->rx_prod_bseq = 0; + struct rx_bd *rxbd; - for (i = 0; i < bp->rx_max_ring; i++) { + for (i = 0; i < num_rings; i++) { int j; - rxbd = &bp->rx_desc_ring[i][0]; + rxbd = &rx_ring[i][0]; for (j = 0; j < MAX_RX_DESC_CNT; j++, rxbd++) { - rxbd->rx_bd_len = bp->rx_buf_use_size; + rxbd->rx_bd_len = buf_size; rxbd->rx_bd_flags = RX_BD_FLAGS_START | RX_BD_FLAGS_END; } - if (i == (bp->rx_max_ring - 1)) + if (i == (num_rings - 1)) j = 0; else j = i + 1; - rxbd->rx_bd_haddr_hi = (u64) bp->rx_desc_mapping[j] >> 32; - rxbd->rx_bd_haddr_lo = (u64) bp->rx_desc_mapping[j] & - 0xffffffff; + rxbd->rx_bd_haddr_hi = (u64) dma[j] >> 32; + rxbd->rx_bd_haddr_lo = (u64) dma[j] & 0xffffffff; } +} + +static void +bnx2_init_rx_ring(struct bnx2 *bp) +{ + int i; + u16 prod, ring_prod; + u32 val, rx_cid_addr = GET_CID_ADDR(RX_CID); + + bp->rx_prod = 0; + bp->rx_cons = 0; + bp->rx_prod_bseq = 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); val = BNX2_L2CTX_CTX_TYPE_CTX_BD_CHN_TYPE_VALUE; val |= BNX2_L2CTX_CTX_TYPE_SIZE_L2; val |= 0x02 << 8; - CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_CTX_TYPE, val); + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_CTX_TYPE, val); val = (u64) bp->rx_desc_mapping[0] >> 32; - CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_HI, val); + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_HI, val); val = (u64) bp->rx_desc_mapping[0] & 0xffffffff; - CTX_WR(bp, GET_CID_ADDR(RX_CID), BNX2_L2CTX_NX_BDHADDR_LO, val); + CTX_WR(bp, rx_cid_addr, BNX2_L2CTX_NX_BDHADDR_LO, val); + ring_prod = prod = bp->rx_prod; for (i = 0; i < bp->rx_ring_size; i++) { if (bnx2_alloc_rx_skb(bp, ring_prod) < 0) { break; @@ -4230,26 +4231,40 @@ bnx2_init_rx_ring(struct bnx2 *bp) REG_WR(bp, MB_RX_CID_ADDR + BNX2_L2CTX_HOST_BSEQ, bp->rx_prod_bseq); } -static void -bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) +static u32 bnx2_find_max_ring(u32 ring_size, u32 max_size) { - u32 num_rings, max; + u32 max, num_rings = 1; - bp->rx_ring_size = size; - num_rings = 1; - while (size > MAX_RX_DESC_CNT) { - size -= MAX_RX_DESC_CNT; + while (ring_size > MAX_RX_DESC_CNT) { + ring_size -= MAX_RX_DESC_CNT; num_rings++; } /* round to next power of 2 */ - max = MAX_RX_RINGS; + max = max_size; while ((max & num_rings) == 0) max >>= 1; if (num_rings != max) max <<= 1; - bp->rx_max_ring = max; + return max; +} + +static void +bnx2_set_rx_ring_size(struct bnx2 *bp, u32 size) +{ + u32 rx_size; + + /* 8 for CRC and VLAN */ + rx_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8; + + bp->rx_copy_thresh = RX_COPY_THRESH; + + bp->rx_buf_use_size = rx_size; + /* hw alignment */ + bp->rx_buf_size = bp->rx_buf_use_size + BNX2_RX_ALIGN; + bp->rx_ring_size = size; + bp->rx_max_ring = bnx2_find_max_ring(size, MAX_RX_RINGS); bp->rx_max_ring_idx = (bp->rx_max_ring * RX_DESC_CNT) - 1; } @@ -5795,16 +5810,8 @@ bnx2_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) } static int -bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) +bnx2_change_ring_size(struct bnx2 *bp, u32 rx, u32 tx) { - struct bnx2 *bp = netdev_priv(dev); - - if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) || - (ering->tx_pending > MAX_TX_DESC_CNT) || - (ering->tx_pending <= MAX_SKB_FRAGS)) { - - return -EINVAL; - } if (netif_running(bp->dev)) { bnx2_netif_stop(bp); bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); @@ -5812,8 +5819,8 @@ bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) bnx2_free_mem(bp); } - bnx2_set_rx_ring_size(bp, ering->rx_pending); - bp->tx_ring_size = ering->tx_pending; + bnx2_set_rx_ring_size(bp, rx); + bp->tx_ring_size = tx; if (netif_running(bp->dev)) { int rc; @@ -5824,10 +5831,25 @@ bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) bnx2_init_nic(bp); bnx2_netif_start(bp); } - return 0; } +static int +bnx2_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ering) +{ + struct bnx2 *bp = netdev_priv(dev); + int rc; + + if ((ering->rx_pending > MAX_TOTAL_RX_DESC_CNT) || + (ering->tx_pending > MAX_TX_DESC_CNT) || + (ering->tx_pending <= MAX_SKB_FRAGS)) { + + return -EINVAL; + } + rc = bnx2_change_ring_size(bp, ering->rx_pending, ering->tx_pending); + return rc; +} + static void bnx2_get_pauseparam(struct net_device *dev, struct ethtool_pauseparam *epause) { @@ -6316,14 +6338,7 @@ bnx2_change_mtu(struct net_device *dev, int new_mtu) return -EINVAL; dev->mtu = new_mtu; - if (netif_running(dev)) { - bnx2_netif_stop(bp); - - bnx2_init_nic(bp); - - bnx2_netif_start(bp); - } - return 0; + return (bnx2_change_ring_size(bp, bp->rx_ring_size, bp->tx_ring_size)); } #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) @@ -6644,13 +6659,13 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev) bp->mac_addr[4] = (u8) (reg >> 8); bp->mac_addr[5] = (u8) reg; + bp->rx_offset = sizeof(struct l2_fhdr) + 2; + bp->tx_ring_size = MAX_TX_DESC_CNT; bnx2_set_rx_ring_size(bp, 255); bp->rx_csum = 1; - bp->rx_offset = sizeof(struct l2_fhdr) + 2; - bp->tx_quick_cons_trip_int = 20; bp->tx_quick_cons_trip = 20; bp->tx_ticks_int = 80; diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index e6a2153..8354efc 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -332,6 +332,11 @@ struct l2_fhdr { #define BNX2_L2CTX_NX_BDHADDR_LO 0x00000014 #define BNX2_L2CTX_NX_BDIDX 0x00000018 +#define BNX2_L2CTX_HOST_PG_BDIDX 0x00000044 +#define BNX2_L2CTX_PG_BUF_SIZE 0x00000048 +#define BNX2_L2CTX_RBDC_KEY 0x0000004c +#define BNX2_L2CTX_NX_PG_BDHADDR_HI 0x00000050 +#define BNX2_L2CTX_NX_PG_BDHADDR_LO 0x00000054 /* * pci_config_l definition @@ -6336,7 +6341,7 @@ struct l2_fhdr { #define MAX_ETHERNET_PACKET_SIZE 1514 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9014 -#define RX_COPY_THRESH 92 +#define RX_COPY_THRESH 128 #define BNX2_MISC_ENABLE_DEFAULT 0x7ffffff @@ -6513,6 +6518,7 @@ struct bnx2 { u32 rx_offset; u32 rx_buf_use_size; /* useable size */ u32 rx_buf_size; /* with alignment */ + u32 rx_copy_thresh; u32 rx_max_ring_idx; u32 rx_prod_bseq; |