16. Resources and Links
=======================
-The latest version of the bonding driver can be found in the latest
+ The latest version of the bonding driver can be found in the latest
version of the linux kernel, found on http://kernel.org
-The latest version of this document can be found in either the latest
-kernel source (named Documentation/networking/bonding.txt), or on the
-bonding sourceforge site:
+ The latest version of this document can be found in the latest kernel
+source (named Documentation/networking/bonding.txt).
-http://www.sourceforge.net/projects/bonding
-
-Discussions regarding the bonding driver take place primarily on the
-bonding-devel mailing list, hosted at sourceforge.net. If you have
-questions or problems, post them to the list. The list address is:
+ Discussions regarding the usage of the bonding driver take place on the
+bonding-devel mailing list, hosted at sourceforge.net. If you have questions or
+problems, post them to the list. The list address is:
bonding-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/bonding-devel
+ Discussions regarding the developpement of the bonding driver take place
+on the main Linux network mailing list, hosted at vger.kernel.org. The list
+address is:
+
+netdev@vger.kernel.org
+
+ The administrative interface (to subscribe or unsubscribe) can
+be found at:
+
+http://vger.kernel.org/vger-lists.html#netdev
+
Donald Becker's Ethernet Drivers and diag programs may be found at :
- http://web.archive.org/web/*/http://www.scyld.com/network/
int csr0, boguscnt;
int handled = 0;
- if (dev == NULL) {
- printk(KERN_WARNING "ariadne_interrupt(): irq for unknown device.\n");
- return IRQ_NONE;
- }
-
lance->RAP = CSR0; /* PCnet-ISA Controller Status */
if (!(lance->RDP & INTR)) /* Check if any interrupt has been */
for_each_eth_queue(bp, i)
bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
- bp->rx_ticks, bp->tx_ticks);
+ bp->tx_ticks, bp->rx_ticks);
}
static void bnx2x_init_sp_ring(struct bnx2x *bp)
static void unlink_all_urbs(struct esd_usb2 *dev)
{
struct esd_usb2_net_priv *priv;
- int i;
+ int i, j;
usb_kill_anchored_urbs(&dev->rx_submitted);
for (i = 0; i < dev->net_count; i++) {
usb_kill_anchored_urbs(&priv->tx_submitted);
atomic_set(&priv->active_tx_jobs, 0);
- for (i = 0; i < MAX_TX_URBS; i++)
- priv->tx_contexts[i].echo_index = MAX_TX_URBS;
+ for (j = 0; j < MAX_TX_URBS; j++)
+ priv->tx_contexts[j].echo_index = MAX_TX_URBS;
}
}
}
emac_read(EMAC_TXCARRIERSENSE);
emac_write(EMAC_TXCARRIERSENSE, stats_clear_mask);
- ndev->stats.tx_fifo_errors = emac_read(EMAC_TXUNDERRUN);
+ ndev->stats.tx_fifo_errors += emac_read(EMAC_TXUNDERRUN);
emac_write(EMAC_TXUNDERRUN, stats_clear_mask);
return &ndev->stats;
const struct macvlan_dev *vlan = netdev_priv(dev);
const struct macvlan_port *port = vlan->port;
const struct macvlan_dev *dest;
+ __u8 ip_summed = skb->ip_summed;
if (vlan->mode == MACVLAN_MODE_BRIDGE) {
const struct ethhdr *eth = (void *)skb->data;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
/* send to other bridge ports directly */
if (is_multicast_ether_addr(eth->h_dest)) {
}
xmit_world:
+ skb->ip_summed = ip_summed;
skb_set_dev(skb, vlan->lowerdev);
return dev_queue_xmit(skb);
}
return -ENODEV;
}
- SMSC_TRACE(PROBE, "PHY %d: addr %d, phy_id 0x%08X",
- phy_addr, phydev->addr, phydev->phy_id);
+ SMSC_TRACE(PROBE, "PHY: addr %d, phy_id 0x%08X",
+ phydev->addr, phydev->phy_id);
ret = phy_connect_direct(dev, phydev,
&smsc911x_phy_adjust_link, 0,
{
static const char ifname[] = "usbpn%d";
const struct usb_cdc_union_desc *union_header = NULL;
- const struct usb_cdc_header_desc *phonet_header = NULL;
const struct usb_host_interface *data_desc;
struct usb_interface *data_intf;
struct usb_device *usbdev = interface_to_usbdev(intf);
struct net_device *dev;
struct usbpn_dev *pnd;
u8 *data;
+ int phonet = 0;
int len, err;
data = intf->altsetting->extra;
(struct usb_cdc_union_desc *)data;
break;
case 0xAB:
- if (phonet_header || dlen < 5)
- break;
- phonet_header =
- (struct usb_cdc_header_desc *)data;
+ phonet = 1;
break;
}
}
len -= dlen;
}
- if (!union_header || !phonet_header)
+ if (!union_header || !phonet)
return -EINVAL;
data_intf = usb_ifnum_to_if(usbdev, union_header->bSlaveInterface0);
pnd = netdev_priv(dev);
SET_NETDEV_DEV(dev, &intf->dev);
- netif_stop_queue(dev);
pnd->dev = dev;
pnd->usb = usb_get_dev(usbdev);
struct mmu_update rx_mmu[NET_RX_RING_SIZE];
/* Statistics */
- int rx_gso_checksum_fixup;
+ unsigned long rx_gso_checksum_fixup;
};
struct netfront_rx_info {
int i;
for (i = 0; i < ARRAY_SIZE(xennet_stats); i++)
- data[i] = *(int *)(np + xennet_stats[i].offset);
+ data[i] = *(unsigned long *)(np + xennet_stats[i].offset);
}
static void xennet_get_strings(struct net_device *dev, u32 stringset, u8 * data)
if (p->state != BR_STATE_BLOCKING)
return;
- if (br->forward_delay == 0) {
+ if (br->stp_enabled == BR_NO_STP || br->forward_delay == 0) {
p->state = BR_STATE_FORWARDING;
br_topology_change_detection(br);
del_timer(&p->forward_delay_timer);
}
- else if (p->br->stp_enabled == BR_KERNEL_STP)
+ else if (br->stp_enabled == BR_KERNEL_STP)
p->state = BR_STATE_LISTENING;
else
p->state = BR_STATE_LEARNING;
/* Number of delay samples for detecting the increase of delay */
#define HYSTART_MIN_SAMPLES 8
-#define HYSTART_DELAY_MIN (2U<<3)
+#define HYSTART_DELAY_MIN (4U<<3)
#define HYSTART_DELAY_MAX (16U<<3)
#define HYSTART_DELAY_THRESH(x) clamp(x, HYSTART_DELAY_MIN, HYSTART_DELAY_MAX)
static int hystart __read_mostly = 1;
static int hystart_detect __read_mostly = HYSTART_ACK_TRAIN | HYSTART_DELAY;
static int hystart_low_window __read_mostly = 16;
+static int hystart_ack_delta __read_mostly = 2;
static u32 cube_rtt_scale __read_mostly;
static u32 beta_scale __read_mostly;
" 1: packet-train 2: delay 3: both packet-train and delay");
module_param(hystart_low_window, int, 0644);
MODULE_PARM_DESC(hystart_low_window, "lower bound cwnd for hybrid slow start");
+module_param(hystart_ack_delta, int, 0644);
+MODULE_PARM_DESC(hystart_ack_delta, "spacing between ack's indicating train (msecs)");
/* BIC TCP Parameters */
struct bictcp {
u32 last_time; /* time when updated last_cwnd */
u32 bic_origin_point;/* origin point of bic function */
u32 bic_K; /* time to origin point from the beginning of the current epoch */
- u32 delay_min; /* min delay */
+ u32 delay_min; /* min delay (msec << 3) */
u32 epoch_start; /* beginning of an epoch */
u32 ack_cnt; /* number of acks */
u32 tcp_cwnd; /* estimated tcp cwnd */
u8 found; /* the exit point is found? */
u32 round_start; /* beginning of each round */
u32 end_seq; /* end_seq of the round */
- u32 last_jiffies; /* last time when the ACK spacing is close */
+ u32 last_ack; /* last time when the ACK spacing is close */
u32 curr_rtt; /* the minimum rtt of current round */
};
ca->found = 0;
}
+static inline u32 bictcp_clock(void)
+{
+#if HZ < 1000
+ return ktime_to_ms(ktime_get_real());
+#else
+ return jiffies_to_msecs(jiffies);
+#endif
+}
+
static inline void bictcp_hystart_reset(struct sock *sk)
{
struct tcp_sock *tp = tcp_sk(sk);
struct bictcp *ca = inet_csk_ca(sk);
- ca->round_start = ca->last_jiffies = jiffies;
+ ca->round_start = ca->last_ack = bictcp_clock();
ca->end_seq = tp->snd_nxt;
ca->curr_rtt = 0;
ca->sample_cnt = 0;
*/
/* change the unit from HZ to bictcp_HZ */
- t = ((tcp_time_stamp + (ca->delay_min>>3) - ca->epoch_start)
- << BICTCP_HZ) / HZ;
+ t = ((tcp_time_stamp + msecs_to_jiffies(ca->delay_min>>3)
+ - ca->epoch_start) << BICTCP_HZ) / HZ;
if (t < ca->bic_K) /* t - K */
offs = ca->bic_K - t;
ca->cnt = 100 * cwnd; /* very small increment*/
}
+ /*
+ * The initial growth of cubic function may be too conservative
+ * when the available bandwidth is still unknown.
+ */
+ if (ca->loss_cwnd == 0 && ca->cnt > 20)
+ ca->cnt = 20; /* increase cwnd 5% per RTT */
+
/* TCP Friendly */
if (tcp_friendliness) {
u32 scale = beta_scale;
struct bictcp *ca = inet_csk_ca(sk);
if (!(ca->found & hystart_detect)) {
- u32 curr_jiffies = jiffies;
+ u32 now = bictcp_clock();
/* first detection parameter - ack-train detection */
- if (curr_jiffies - ca->last_jiffies <= msecs_to_jiffies(2)) {
- ca->last_jiffies = curr_jiffies;
- if (curr_jiffies - ca->round_start >= ca->delay_min>>4)
+ if ((s32)(now - ca->last_ack) <= hystart_ack_delta) {
+ ca->last_ack = now;
+ if ((s32)(now - ca->round_start) > ca->delay_min >> 4)
ca->found |= HYSTART_ACK_TRAIN;
}
if ((s32)(tcp_time_stamp - ca->epoch_start) < HZ)
return;
- delay = usecs_to_jiffies(rtt_us) << 3;
+ delay = (rtt_us << 3) / USEC_PER_MSEC;
if (delay == 0)
delay = 1;
/* divide by bic_scale and by constant Srtt (100ms) */
do_div(cube_factor, bic_scale * 10);
+ /* hystart needs ms clock resolution */
+ if (hystart && HZ < 1000)
+ cubictcp.flags |= TCP_CONG_RTT_STAMP;
+
return tcp_register_congestion_control(&cubictcp);
}
net_invalid_timestamp()))
rtt_us = ktime_us_delta(ktime_get_real(),
last_ackt);
- else if (ca_seq_rtt > 0)
+ else if (ca_seq_rtt >= 0)
rtt_us = jiffies_to_usecs(ca_seq_rtt);
}
/* Latch our state.
- It is tricky place. We need to grab write lock and cannot
+ It is tricky place. We need to grab our state lock and cannot
drop lock on peer. It is dangerous because deadlock is
possible. Connect to self case and simultaneous
attempt to connect are eliminated by checking socket
projects / mirror_ubuntu-kernels.git / commitdiff