diff options
Diffstat (limited to 'drivers/infiniband/hw/nes/nes_nic.c')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_nic.c | 142 |
1 files changed, 62 insertions, 80 deletions
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 57a47cf7e51..025ed9f7d9c 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2008 NetEffect, Inc. All rights reserved. + * Copyright (c) 2006 - 2009 Intel-NE, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -400,8 +400,7 @@ static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev) if (skb_headlen(skb) == skb->len) { if (skb_headlen(skb) <= NES_FIRST_FRAG_SIZE) { nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_2_1_IDX] = 0; - nesnic->tx_skb[nesnic->sq_head] = NULL; - dev_kfree_skb(skb); + nesnic->tx_skb[nesnic->sq_head] = skb; } } else { /* Deal with Fragments */ @@ -453,7 +452,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) u32 wqe_count=1; u32 send_rc; struct iphdr *iph; - unsigned long flags; __le16 *wqe_fragment_length; u32 nr_frags; u32 original_first_length; @@ -480,13 +478,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) if (netif_queue_stopped(netdev)) return NETDEV_TX_BUSY; - local_irq_save(flags); - if (!spin_trylock(&nesnic->sq_lock)) { - local_irq_restore(flags); - nesvnic->sq_locked++; - return NETDEV_TX_LOCKED; - } - /* Check if SQ is full */ if ((((nesnic->sq_tail+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) == 1) { if (!netif_queue_stopped(netdev)) { @@ -498,7 +489,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) } } nesvnic->sq_full++; - spin_unlock_irqrestore(&nesnic->sq_lock, flags); return NETDEV_TX_BUSY; } @@ -531,7 +521,6 @@ sq_no_longer_full: } } nesvnic->sq_full++; - spin_unlock_irqrestore(&nesnic->sq_lock, flags); nes_debug(NES_DBG_NIC_TX, "%s: HNIC SQ full- TSO request has too many frags!\n", netdev->name); return NETDEV_TX_BUSY; @@ -656,17 +645,13 @@ tso_sq_no_longer_full: skb_set_transport_header(skb, hoffset); skb_set_network_header(skb, nhoffset); send_rc = nes_nic_send(skb, netdev); - if (send_rc != NETDEV_TX_OK) { - spin_unlock_irqrestore(&nesnic->sq_lock, flags); + if (send_rc != NETDEV_TX_OK) return NETDEV_TX_OK; - } } } else { send_rc = nes_nic_send(skb, netdev); - if (send_rc != NETDEV_TX_OK) { - spin_unlock_irqrestore(&nesnic->sq_lock, flags); + if (send_rc != NETDEV_TX_OK) return NETDEV_TX_OK; - } } barrier(); @@ -676,7 +661,6 @@ tso_sq_no_longer_full: (wqe_count << 24) | (1 << 23) | nesvnic->nic.qp_id); netdev->trans_start = jiffies; - spin_unlock_irqrestore(&nesnic->sq_lock, flags); return NETDEV_TX_OK; } @@ -1012,7 +996,6 @@ static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = { "Pause Frames Received", "Internal Routing Errors", "SQ SW Dropped SKBs", - "SQ Locked", "SQ Full", "Segmented TSO Requests", "Rx Symbol Errors", @@ -1129,16 +1112,17 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev, struct nes_device *nesdev = nesvnic->nesdev; u32 nic_count; u32 u32temp; + u32 index = 0; target_ethtool_stats->n_stats = NES_ETHTOOL_STAT_COUNT; - target_stat_values[0] = nesvnic->nesdev->link_status_interrupts; - target_stat_values[1] = nesvnic->linearized_skbs; - target_stat_values[2] = nesvnic->tso_requests; + target_stat_values[index] = nesvnic->nesdev->link_status_interrupts; + target_stat_values[++index] = nesvnic->linearized_skbs; + target_stat_values[++index] = nesvnic->tso_requests; u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_TX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200)); nesvnic->nesdev->mac_pause_frames_sent += u32temp; - target_stat_values[3] = nesvnic->nesdev->mac_pause_frames_sent; + target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_sent; u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_RX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200)); @@ -1209,60 +1193,59 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev, nesvnic->endnode_ipv4_tcp_retransmits += u32temp; } - target_stat_values[4] = nesvnic->nesdev->mac_pause_frames_received; - target_stat_values[5] = nesdev->nesadapter->nic_rx_eth_route_err; - target_stat_values[6] = nesvnic->tx_sw_dropped; - target_stat_values[7] = nesvnic->sq_locked; - target_stat_values[8] = nesvnic->sq_full; - target_stat_values[9] = nesvnic->segmented_tso_requests; - target_stat_values[10] = nesvnic->nesdev->mac_rx_symbol_err_frames; - target_stat_values[11] = nesvnic->nesdev->mac_rx_jabber_frames; - target_stat_values[12] = nesvnic->nesdev->mac_rx_oversized_frames; - target_stat_values[13] = nesvnic->nesdev->mac_rx_short_frames; - target_stat_values[14] = nesvnic->endnode_nstat_rx_discard; - target_stat_values[15] = nesvnic->endnode_nstat_rx_octets; - target_stat_values[16] = nesvnic->endnode_nstat_rx_frames; - target_stat_values[17] = nesvnic->endnode_nstat_tx_octets; - target_stat_values[18] = nesvnic->endnode_nstat_tx_frames; - target_stat_values[19] = mh_detected; - target_stat_values[20] = mh_pauses_sent; - target_stat_values[21] = nesvnic->endnode_ipv4_tcp_retransmits; - target_stat_values[22] = atomic_read(&cm_connects); - target_stat_values[23] = atomic_read(&cm_accepts); - target_stat_values[24] = atomic_read(&cm_disconnects); - target_stat_values[25] = atomic_read(&cm_connecteds); - target_stat_values[26] = atomic_read(&cm_connect_reqs); - target_stat_values[27] = atomic_read(&cm_rejects); - target_stat_values[28] = atomic_read(&mod_qp_timouts); - target_stat_values[29] = atomic_read(&qps_created); - target_stat_values[30] = atomic_read(&sw_qps_destroyed); - target_stat_values[31] = atomic_read(&qps_destroyed); - target_stat_values[32] = atomic_read(&cm_closes); - target_stat_values[33] = cm_packets_sent; - target_stat_values[34] = cm_packets_bounced; - target_stat_values[35] = cm_packets_created; - target_stat_values[36] = cm_packets_received; - target_stat_values[37] = cm_packets_dropped; - target_stat_values[38] = cm_packets_retrans; - target_stat_values[39] = cm_listens_created; - target_stat_values[40] = cm_listens_destroyed; - target_stat_values[41] = cm_backlog_drops; - target_stat_values[42] = atomic_read(&cm_loopbacks); - target_stat_values[43] = atomic_read(&cm_nodes_created); - target_stat_values[44] = atomic_read(&cm_nodes_destroyed); - target_stat_values[45] = atomic_read(&cm_accel_dropped_pkts); - target_stat_values[46] = atomic_read(&cm_resets_recvd); - target_stat_values[47] = int_mod_timer_init; - target_stat_values[48] = int_mod_cq_depth_1; - target_stat_values[49] = int_mod_cq_depth_4; - target_stat_values[50] = int_mod_cq_depth_16; - target_stat_values[51] = int_mod_cq_depth_24; - target_stat_values[52] = int_mod_cq_depth_32; - target_stat_values[53] = int_mod_cq_depth_128; - target_stat_values[54] = int_mod_cq_depth_256; - target_stat_values[55] = nesvnic->lro_mgr.stats.aggregated; - target_stat_values[56] = nesvnic->lro_mgr.stats.flushed; - target_stat_values[57] = nesvnic->lro_mgr.stats.no_desc; + target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_received; + target_stat_values[++index] = nesdev->nesadapter->nic_rx_eth_route_err; + target_stat_values[++index] = nesvnic->tx_sw_dropped; + target_stat_values[++index] = nesvnic->sq_full; + target_stat_values[++index] = nesvnic->segmented_tso_requests; + target_stat_values[++index] = nesvnic->nesdev->mac_rx_symbol_err_frames; + target_stat_values[++index] = nesvnic->nesdev->mac_rx_jabber_frames; + target_stat_values[++index] = nesvnic->nesdev->mac_rx_oversized_frames; + target_stat_values[++index] = nesvnic->nesdev->mac_rx_short_frames; + target_stat_values[++index] = nesvnic->endnode_nstat_rx_discard; + target_stat_values[++index] = nesvnic->endnode_nstat_rx_octets; + target_stat_values[++index] = nesvnic->endnode_nstat_rx_frames; + target_stat_values[++index] = nesvnic->endnode_nstat_tx_octets; + target_stat_values[++index] = nesvnic->endnode_nstat_tx_frames; + target_stat_values[++index] = mh_detected; + target_stat_values[++index] = mh_pauses_sent; + target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits; + target_stat_values[++index] = atomic_read(&cm_connects); + target_stat_values[++index] = atomic_read(&cm_accepts); + target_stat_values[++index] = atomic_read(&cm_disconnects); + target_stat_values[++index] = atomic_read(&cm_connecteds); + target_stat_values[++index] = atomic_read(&cm_connect_reqs); + target_stat_values[++index] = atomic_read(&cm_rejects); + target_stat_values[++index] = atomic_read(&mod_qp_timouts); + target_stat_values[++index] = atomic_read(&qps_created); + target_stat_values[++index] = atomic_read(&sw_qps_destroyed); + target_stat_values[++index] = atomic_read(&qps_destroyed); + target_stat_values[++index] = atomic_read(&cm_closes); + target_stat_values[++index] = cm_packets_sent; + target_stat_values[++index] = cm_packets_bounced; + target_stat_values[++index] = cm_packets_created; + target_stat_values[++index] = cm_packets_received; + target_stat_values[++index] = cm_packets_dropped; + target_stat_values[++index] = cm_packets_retrans; + target_stat_values[++index] = cm_listens_created; + target_stat_values[++index] = cm_listens_destroyed; + target_stat_values[++index] = cm_backlog_drops; + target_stat_values[++index] = atomic_read(&cm_loopbacks); + target_stat_values[++index] = atomic_read(&cm_nodes_created); + target_stat_values[++index] = atomic_read(&cm_nodes_destroyed); + target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts); + target_stat_values[++index] = atomic_read(&cm_resets_recvd); + target_stat_values[++index] = int_mod_timer_init; + target_stat_values[++index] = int_mod_cq_depth_1; + target_stat_values[++index] = int_mod_cq_depth_4; + target_stat_values[++index] = int_mod_cq_depth_16; + target_stat_values[++index] = int_mod_cq_depth_24; + target_stat_values[++index] = int_mod_cq_depth_32; + target_stat_values[++index] = int_mod_cq_depth_128; + target_stat_values[++index] = int_mod_cq_depth_256; + target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated; + target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed; + target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc; } @@ -1616,7 +1599,6 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev, nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n"); netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; netdev->vlan_rx_register = nes_netdev_vlan_rx_register; - netdev->features |= NETIF_F_LLTX; /* Fill in the port structure */ nesvnic->netdev = netdev; |