svn commit: r248287 - in stable/9/sys: dev/ixgbe net sys
Jack F Vogel
jfv at FreeBSD.org
Thu Mar 14 21:39:40 UTC 2013
Author: jfv
Date: Thu Mar 14 21:39:39 2013
New Revision: 248287
URL: http://svnweb.freebsd.org/changeset/base/248287
Log:
MFC of the ixgbe driver including the follow revisions:
235547,235964,241616,241646,241856,241885,242403,
242421,243714,243716,243718,243721,243724,243725,
243728,243729,243733,243735,243736,243741,243833,
244514,246128,246482,247035,247056,247822,247823
Note: 246482 includes only the changes in the ixgbe driver
and the buf_ring supporting code in if_var.h and buf_ring.h
igb and em will be seperate commits, and non-Intel drivers
can commit the changes at will.
Reviewed by:rss, jhb
Modified:
stable/9/sys/dev/ixgbe/LICENSE
stable/9/sys/dev/ixgbe/ixgbe.c (contents, props changed)
stable/9/sys/dev/ixgbe/ixgbe.h
stable/9/sys/dev/ixgbe/ixgbe_82598.c
stable/9/sys/dev/ixgbe/ixgbe_82599.c
stable/9/sys/dev/ixgbe/ixgbe_82599.h
stable/9/sys/dev/ixgbe/ixgbe_api.c
stable/9/sys/dev/ixgbe/ixgbe_api.h
stable/9/sys/dev/ixgbe/ixgbe_common.c
stable/9/sys/dev/ixgbe/ixgbe_common.h
stable/9/sys/dev/ixgbe/ixgbe_mbx.h
stable/9/sys/dev/ixgbe/ixgbe_osdep.h
stable/9/sys/dev/ixgbe/ixgbe_phy.c
stable/9/sys/dev/ixgbe/ixgbe_phy.h
stable/9/sys/dev/ixgbe/ixgbe_type.h
stable/9/sys/dev/ixgbe/ixgbe_vf.c
stable/9/sys/dev/ixgbe/ixgbe_vf.h
stable/9/sys/dev/ixgbe/ixgbe_x540.c
stable/9/sys/dev/ixgbe/ixgbe_x540.h
stable/9/sys/dev/ixgbe/ixv.c
stable/9/sys/net/if_var.h
stable/9/sys/sys/buf_ring.h
Directory Properties:
stable/9/sys/dev/ixgbe/ (props changed)
stable/9/sys/net/ (props changed)
stable/9/sys/sys/ (props changed)
Modified: stable/9/sys/dev/ixgbe/LICENSE
==============================================================================
--- stable/9/sys/dev/ixgbe/LICENSE Thu Mar 14 21:21:14 2013 (r248286)
+++ stable/9/sys/dev/ixgbe/LICENSE Thu Mar 14 21:39:39 2013 (r248287)
@@ -1,6 +1,6 @@
/******************************************************************************
- Copyright (c) 2001-2011, Intel Corporation
+ Copyright (c) 2001-2013, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
Modified: stable/9/sys/dev/ixgbe/ixgbe.c
==============================================================================
--- stable/9/sys/dev/ixgbe/ixgbe.c Thu Mar 14 21:21:14 2013 (r248286)
+++ stable/9/sys/dev/ixgbe/ixgbe.c Thu Mar 14 21:39:39 2013 (r248287)
@@ -1,6 +1,6 @@
/******************************************************************************
- Copyright (c) 2001-2012, Intel Corporation
+ Copyright (c) 2001-2013, Intel Corporation
All rights reserved.
Redistribution and use in source and binary forms, with or without
@@ -47,7 +47,7 @@ int ixgbe_display_debug_stat
/*********************************************************************
* Driver version
*********************************************************************/
-char ixgbe_driver_version[] = "2.4.8";
+char ixgbe_driver_version[] = "2.5.7 - STABLE/9";
/*********************************************************************
* PCI Device ID Table
@@ -83,7 +83,7 @@ static ixgbe_vendor_info_t ixgbe_vendor_
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0},
- {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0},
+ {IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0},
{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0},
/* required last entry */
{0, 0, 0, 0, 0}
@@ -104,16 +104,16 @@ static int ixgbe_probe(device_t);
static int ixgbe_attach(device_t);
static int ixgbe_detach(device_t);
static int ixgbe_shutdown(device_t);
-#if __FreeBSD_version >= 800000
+#ifdef IXGBE_LEGACY_TX
+static void ixgbe_start(struct ifnet *);
+static void ixgbe_start_locked(struct tx_ring *, struct ifnet *);
+#else /* ! IXGBE_LEGACY_TX */
static int ixgbe_mq_start(struct ifnet *, struct mbuf *);
static int ixgbe_mq_start_locked(struct ifnet *,
struct tx_ring *, struct mbuf *);
static void ixgbe_qflush(struct ifnet *);
static void ixgbe_deferred_mq_start(void *, int);
-#else
-static void ixgbe_start(struct ifnet *);
-static void ixgbe_start_locked(struct tx_ring *, struct ifnet *);
-#endif
+#endif /* IXGBE_LEGACY_TX */
static int ixgbe_ioctl(struct ifnet *, u_long, caddr_t);
static void ixgbe_init(void *);
static void ixgbe_init_locked(struct adapter *);
@@ -150,7 +150,7 @@ static void ixgbe_enable_intr(struct
static void ixgbe_disable_intr(struct adapter *);
static void ixgbe_update_stats_counters(struct adapter *);
static bool ixgbe_txeof(struct tx_ring *);
-static bool ixgbe_rxeof(struct ix_queue *, int);
+static bool ixgbe_rxeof(struct ix_queue *);
static void ixgbe_rx_checksum(u32, struct mbuf *, u32);
static void ixgbe_set_promisc(struct adapter *);
static void ixgbe_set_multi(struct adapter *);
@@ -163,10 +163,10 @@ static int ixgbe_set_thermal_test(SYSCTL
static int ixgbe_dma_malloc(struct adapter *, bus_size_t,
struct ixgbe_dma_alloc *, int);
static void ixgbe_dma_free(struct adapter *, struct ixgbe_dma_alloc *);
-static void ixgbe_add_rx_process_limit(struct adapter *, const char *,
- const char *, int *, int);
-static bool ixgbe_tx_ctx_setup(struct tx_ring *, struct mbuf *);
-static bool ixgbe_tso_setup(struct tx_ring *, struct mbuf *, u32 *);
+static int ixgbe_tx_ctx_setup(struct tx_ring *,
+ struct mbuf *, u32 *, u32 *);
+static int ixgbe_tso_setup(struct tx_ring *,
+ struct mbuf *, u32 *, u32 *);
static void ixgbe_set_ivar(struct adapter *, u8, u8, s8);
static void ixgbe_configure_ivars(struct adapter *);
static u8 * ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *);
@@ -181,6 +181,9 @@ static __inline void ixgbe_rx_discard(st
static __inline void ixgbe_rx_input(struct rx_ring *, struct ifnet *,
struct mbuf *, u32);
+static void ixgbe_enable_rx_drop(struct adapter *);
+static void ixgbe_disable_rx_drop(struct adapter *);
+
/* Support for pluggable optic modules */
static bool ixgbe_sfp_probe(struct adapter *);
static void ixgbe_setup_optics(struct adapter *);
@@ -213,7 +216,7 @@ static device_method_t ixgbe_methods[] =
DEVMETHOD(device_attach, ixgbe_attach),
DEVMETHOD(device_detach, ixgbe_detach),
DEVMETHOD(device_shutdown, ixgbe_shutdown),
- {0, 0}
+ DEVMETHOD_END
};
static driver_t ixgbe_driver = {
@@ -243,9 +246,13 @@ static int ixgbe_max_interrupt_rate = (4
TUNABLE_INT("hw.ixgbe.max_interrupt_rate", &ixgbe_max_interrupt_rate);
/* How many packets rxeof tries to clean at a time */
-static int ixgbe_rx_process_limit = 128;
+static int ixgbe_rx_process_limit = 256;
TUNABLE_INT("hw.ixgbe.rx_process_limit", &ixgbe_rx_process_limit);
+/* How many packets txeof tries to clean at a time */
+static int ixgbe_tx_process_limit = 256;
+TUNABLE_INT("hw.ixgbe.tx_process_limit", &ixgbe_tx_process_limit);
+
/*
** Smart speed setting, default to on
** this only works as a compile option
@@ -263,15 +270,6 @@ static int ixgbe_enable_msix = 1;
TUNABLE_INT("hw.ixgbe.enable_msix", &ixgbe_enable_msix);
/*
- * Header split: this causes the hardware to DMA
- * the header into a separate mbuf from the payload,
- * it can be a performance win in some workloads, but
- * in others it actually hurts, its off by default.
- */
-static int ixgbe_header_split = FALSE;
-TUNABLE_INT("hw.ixgbe.hdr_split", &ixgbe_header_split);
-
-/*
* Number of Queues, can be set to 0,
* it then autoconfigures based on the
* number of cpus with a max of 8. This
@@ -292,6 +290,20 @@ TUNABLE_INT("hw.ixgbe.txd", &ixgbe_txd);
static int ixgbe_rxd = PERFORM_RXD;
TUNABLE_INT("hw.ixgbe.rxd", &ixgbe_rxd);
+/*
+** HW RSC control:
+** this feature only works with
+** IPv4, and only on 82599 and later.
+** Also this will cause IP forwarding to
+** fail and that can't be controlled by
+** the stack as LRO can. For all these
+** reasons I've deemed it best to leave
+** this off and not bother with a tuneable
+** interface, this would need to be compiled
+** to enable.
+*/
+static bool ixgbe_rsc_enable = FALSE;
+
/* Keep running tab on them for sanity check */
static int ixgbe_total_ports;
@@ -533,7 +545,6 @@ ixgbe_attach(device_t dev)
case IXGBE_ERR_SFP_NOT_SUPPORTED:
device_printf(dev,"Unsupported SFP+ Module\n");
error = EIO;
- device_printf(dev,"Hardware Initialization Failure\n");
goto err_late;
case IXGBE_ERR_SFP_NOT_PRESENT:
device_printf(dev,"No SFP+ Module found\n");
@@ -556,11 +567,6 @@ ixgbe_attach(device_t dev)
if (ixgbe_setup_interface(dev, adapter) != 0)
goto err_late;
- /* Sysctl for limiting the amount of work done in the taskqueue */
- ixgbe_add_rx_process_limit(adapter, "rx_processing_limit",
- "max number of rx packets to process", &adapter->rx_process_limit,
- ixgbe_rx_process_limit);
-
/* Initialize statistics */
ixgbe_update_stats_counters(adapter);
@@ -589,6 +595,9 @@ ixgbe_attach(device_t dev)
"PCIE, or x4 PCIE 2 slot is required.\n");
}
+ /* Set an initial default flow control value */
+ adapter->fc = ixgbe_fc_full;
+
/* let hardware know driver is loaded */
ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD;
@@ -645,7 +654,7 @@ ixgbe_detach(device_t dev)
for (int i = 0; i < adapter->num_queues; i++, que++, txr++) {
if (que->tq) {
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
taskqueue_drain(que->tq, &txr->txq_task);
#endif
taskqueue_drain(que->tq, &que->que_task);
@@ -709,7 +718,7 @@ ixgbe_shutdown(device_t dev)
}
-#if __FreeBSD_version < 800000
+#ifdef IXGBE_LEGACY_TX
/*********************************************************************
* Transmit entry point
*
@@ -728,17 +737,14 @@ ixgbe_start_locked(struct tx_ring *txr,
IXGBE_TX_LOCK_ASSERT(txr);
- if ((ifp->if_drv_flags & (IFF_DRV_RUNNING|IFF_DRV_OACTIVE)) !=
- IFF_DRV_RUNNING)
+ if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
return;
if (!adapter->link_active)
return;
while (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) {
- if (txr->tx_avail <= IXGBE_QUEUE_MIN_FREE) {
- txr->queue_status |= IXGBE_QUEUE_DEPLETED;
+ if (txr->tx_avail <= IXGBE_QUEUE_MIN_FREE)
break;
- }
IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head);
if (m_head == NULL)
@@ -747,8 +753,6 @@ ixgbe_start_locked(struct tx_ring *txr,
if (ixgbe_xmit(txr, &m_head)) {
if (m_head != NULL)
IFQ_DRV_PREPEND(&ifp->if_snd, m_head);
- if (txr->tx_avail <= IXGBE_QUEUE_MIN_FREE)
- txr->queue_status |= IXGBE_QUEUE_DEPLETED;
break;
}
/* Send a copy of the frame to the BPF listener */
@@ -781,7 +785,8 @@ ixgbe_start(struct ifnet *ifp)
return;
}
-#else
+#else /* ! IXGBE_LEGACY_TX */
+
/*
** Multiqueue Transmit driver
**
@@ -803,8 +808,7 @@ ixgbe_mq_start(struct ifnet *ifp, struct
txr = &adapter->tx_rings[i];
que = &adapter->queues[i];
- if (((txr->queue_status & IXGBE_QUEUE_DEPLETED) == 0) &&
- IXGBE_TX_TRYLOCK(txr)) {
+ if (IXGBE_TX_TRYLOCK(txr)) {
err = ixgbe_mq_start_locked(ifp, txr, m);
IXGBE_TX_UNLOCK(txr);
} else {
@@ -823,7 +827,6 @@ ixgbe_mq_start_locked(struct ifnet *ifp,
int enqueued, err = 0;
if (((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) ||
- (txr->queue_status == IXGBE_QUEUE_DEPLETED) ||
adapter->link_active == 0) {
if (m != NULL)
err = drbr_enqueue(ifp, txr->br, m);
@@ -831,22 +834,24 @@ ixgbe_mq_start_locked(struct ifnet *ifp,
}
enqueued = 0;
- if (m == NULL) {
- next = drbr_dequeue(ifp, txr->br);
- } else if (drbr_needs_enqueue(ifp, txr->br)) {
- if ((err = drbr_enqueue(ifp, txr->br, m)) != 0)
+ if (m != NULL) {
+ err = drbr_enqueue(ifp, txr->br, m);
+ if (err) {
return (err);
- next = drbr_dequeue(ifp, txr->br);
- } else
- next = m;
+ }
+ }
/* Process the queue */
- while (next != NULL) {
+ while ((next = drbr_peek(ifp, txr->br)) != NULL) {
if ((err = ixgbe_xmit(txr, &next)) != 0) {
- if (next != NULL)
- err = drbr_enqueue(ifp, txr->br, next);
+ if (next == NULL) {
+ drbr_advance(ifp, txr->br);
+ } else {
+ drbr_putback(ifp, txr->br, next);
+ }
break;
}
+ drbr_advance(ifp, txr->br);
enqueued++;
/* Send a copy of the frame to the BPF listener */
ETHER_BPF_MTAP(ifp, next);
@@ -854,16 +859,11 @@ ixgbe_mq_start_locked(struct ifnet *ifp,
break;
if (txr->tx_avail < IXGBE_TX_OP_THRESHOLD)
ixgbe_txeof(txr);
- if (txr->tx_avail < IXGBE_TX_OP_THRESHOLD) {
- txr->queue_status |= IXGBE_QUEUE_DEPLETED;
- break;
- }
- next = drbr_dequeue(ifp, txr->br);
}
if (enqueued > 0) {
/* Set watchdog on */
- txr->queue_status |= IXGBE_QUEUE_WORKING;
+ txr->queue_status = IXGBE_QUEUE_WORKING;
txr->watchdog_time = ticks;
}
@@ -907,7 +907,7 @@ ixgbe_qflush(struct ifnet *ifp)
}
if_qflush(ifp);
}
-#endif /* __FreeBSD_version >= 800000 */
+#endif /* IXGBE_LEGACY_TX */
/*********************************************************************
* Ioctl entry point
@@ -922,6 +922,7 @@ static int
ixgbe_ioctl(struct ifnet * ifp, u_long command, caddr_t data)
{
struct adapter *adapter = ifp->if_softc;
+ struct ixgbe_hw *hw = &adapter->hw;
struct ifreq *ifr = (struct ifreq *) data;
#if defined(INET) || defined(INET6)
struct ifaddr *ifa = (struct ifaddr *)data;
@@ -1009,6 +1010,8 @@ ixgbe_ioctl(struct ifnet * ifp, u_long c
ifp->if_capenable ^= IFCAP_HWCSUM;
if (mask & IFCAP_TSO4)
ifp->if_capenable ^= IFCAP_TSO4;
+ if (mask & IFCAP_TSO6)
+ ifp->if_capenable ^= IFCAP_TSO6;
if (mask & IFCAP_LRO)
ifp->if_capenable ^= IFCAP_LRO;
if (mask & IFCAP_VLAN_HWTAGGING)
@@ -1025,7 +1028,22 @@ ixgbe_ioctl(struct ifnet * ifp, u_long c
VLAN_CAPABILITIES(ifp);
break;
}
-
+ case SIOCGI2C:
+ {
+ struct ixgbe_i2c_req i2c;
+ IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)");
+ error = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
+ if (error)
+ break;
+ if ((i2c.dev_addr != 0xA0) || (i2c.dev_addr != 0xA2)){
+ error = EINVAL;
+ break;
+ }
+ hw->phy.ops.read_i2c_byte(hw, i2c.offset,
+ i2c.dev_addr, i2c.data);
+ error = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
+ break;
+ }
default:
IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)\n", (int)command);
error = ether_ioctl(ifp, command, data);
@@ -1073,7 +1091,7 @@ ixgbe_init_locked(struct adapter *adapte
/* Set the various hardware offload abilities */
ifp->if_hwassist = 0;
- if (ifp->if_capenable & IFCAP_TSO4)
+ if (ifp->if_capenable & IFCAP_TSO)
ifp->if_hwassist |= CSUM_TSO;
if (ifp->if_capenable & IFCAP_TXCSUM) {
ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP);
@@ -1098,7 +1116,7 @@ ixgbe_init_locked(struct adapter *adapte
/*
** Determine the correct mbuf pool
- ** for doing jumbo/headersplit
+ ** for doing jumbo frames
*/
if (adapter->max_frame_size <= 2048)
adapter->rx_mbuf_sz = MCLBYTES;
@@ -1294,7 +1312,7 @@ ixgbe_init_locked(struct adapter *adapte
tmp = IXGBE_LOW_DV(frame);
hw->fc.low_water[0] = IXGBE_BT2KB(tmp);
- adapter->fc = hw->fc.requested_mode = ixgbe_fc_full;
+ hw->fc.requested_mode = adapter->fc;
hw->fc.pause_time = IXGBE_FC_PAUSE;
hw->fc.send_xon = TRUE;
}
@@ -1306,7 +1324,6 @@ ixgbe_init_locked(struct adapter *adapte
/* Now inform the stack we're ready */
ifp->if_drv_flags |= IFF_DRV_RUNNING;
- ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
return;
}
@@ -1396,10 +1413,10 @@ ixgbe_handle_que(void *context, int pend
bool more;
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
- more = ixgbe_rxeof(que, adapter->rx_process_limit);
+ more = ixgbe_rxeof(que);
IXGBE_TX_LOCK(txr);
ixgbe_txeof(txr);
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
if (!drbr_empty(ifp, txr->br))
ixgbe_mq_start_locked(ifp, txr, NULL);
#else
@@ -1444,7 +1461,7 @@ ixgbe_legacy_irq(void *arg)
return;
}
- more_rx = ixgbe_rxeof(que, adapter->rx_process_limit);
+ more_rx = ixgbe_rxeof(que);
IXGBE_TX_LOCK(txr);
do {
@@ -1490,7 +1507,7 @@ ixgbe_msix_que(void *arg)
ixgbe_disable_queue(adapter, que->msix);
++que->irqs;
- more_rx = ixgbe_rxeof(que, adapter->rx_process_limit);
+ more_rx = ixgbe_rxeof(que);
IXGBE_TX_LOCK(txr);
more_tx = ixgbe_txeof(txr);
@@ -1499,7 +1516,7 @@ ixgbe_msix_que(void *arg)
** has anything queued the task gets
** scheduled to handle it.
*/
-#if __FreeBSD_version < 800000
+#ifdef IXGBE_LEGACY_TX
if (!IFQ_DRV_IS_EMPTY(&adapter->ifp->if_snd))
#else
if (!drbr_empty(adapter->ifp, txr->br))
@@ -1665,7 +1682,7 @@ ixgbe_media_status(struct ifnet * ifp, s
ifmr->ifm_active |= IFM_100_TX | IFM_FDX;
break;
case IXGBE_LINK_SPEED_1GB_FULL:
- ifmr->ifm_active |= IFM_1000_T | IFM_FDX;
+ ifmr->ifm_active |= IFM_1000_SX | IFM_FDX;
break;
case IXGBE_LINK_SPEED_10GB_FULL:
ifmr->ifm_active |= adapter->optics | IFM_FDX;
@@ -1724,9 +1741,9 @@ ixgbe_xmit(struct tx_ring *txr, struct m
{
struct adapter *adapter = txr->adapter;
u32 olinfo_status = 0, cmd_type_len;
- u32 paylen = 0;
int i, j, error, nsegs;
- int first, last = 0;
+ int first;
+ bool remap = TRUE;
struct mbuf *m_head;
bus_dma_segment_t segs[adapter->num_segs];
bus_dmamap_t map;
@@ -1754,74 +1771,58 @@ ixgbe_xmit(struct tx_ring *txr, struct m
/*
* Map the packet for DMA.
*/
+retry:
error = bus_dmamap_load_mbuf_sg(txr->txtag, map,
*m_headp, segs, &nsegs, BUS_DMA_NOWAIT);
- if (error == EFBIG) {
+ if (__predict_false(error)) {
struct mbuf *m;
- m = m_defrag(*m_headp, M_DONTWAIT);
- if (m == NULL) {
- adapter->mbuf_defrag_failed++;
- m_freem(*m_headp);
- *m_headp = NULL;
- return (ENOBUFS);
- }
- *m_headp = m;
-
- /* Try it again */
- error = bus_dmamap_load_mbuf_sg(txr->txtag, map,
- *m_headp, segs, &nsegs, BUS_DMA_NOWAIT);
-
- if (error == ENOMEM) {
- adapter->no_tx_dma_setup++;
+ switch (error) {
+ case EFBIG:
+ /* Try it again? - one try */
+ if (remap == TRUE) {
+ remap = FALSE;
+ m = m_defrag(*m_headp, M_NOWAIT);
+ if (m == NULL) {
+ adapter->mbuf_defrag_failed++;
+ m_freem(*m_headp);
+ *m_headp = NULL;
+ return (ENOBUFS);
+ }
+ *m_headp = m;
+ goto retry;
+ } else
+ return (error);
+ case ENOMEM:
+ txr->no_tx_dma_setup++;
return (error);
- } else if (error != 0) {
- adapter->no_tx_dma_setup++;
+ default:
+ txr->no_tx_dma_setup++;
m_freem(*m_headp);
*m_headp = NULL;
return (error);
}
- } else if (error == ENOMEM) {
- adapter->no_tx_dma_setup++;
- return (error);
- } else if (error != 0) {
- adapter->no_tx_dma_setup++;
- m_freem(*m_headp);
- *m_headp = NULL;
- return (error);
}
/* Make certain there are enough descriptors */
if (nsegs > txr->tx_avail - 2) {
txr->no_desc_avail++;
- error = ENOBUFS;
- goto xmit_fail;
+ bus_dmamap_unload(txr->txtag, map);
+ return (ENOBUFS);
}
m_head = *m_headp;
/*
** Set up the appropriate offload context
- ** this becomes the first descriptor of
- ** a packet.
+ ** this will consume the first descriptor
*/
- if (m_head->m_pkthdr.csum_flags & CSUM_TSO) {
- if (ixgbe_tso_setup(txr, m_head, &paylen)) {
- cmd_type_len |= IXGBE_ADVTXD_DCMD_TSE;
- olinfo_status |= IXGBE_TXD_POPTS_IXSM << 8;
- olinfo_status |= IXGBE_TXD_POPTS_TXSM << 8;
- olinfo_status |= paylen << IXGBE_ADVTXD_PAYLEN_SHIFT;
- ++adapter->tso_tx;
- } else
- return (ENXIO);
- } else if (ixgbe_tx_ctx_setup(txr, m_head))
- olinfo_status |= IXGBE_TXD_POPTS_TXSM << 8;
-
-#ifdef IXGBE_IEEE1588
- /* This is changing soon to an mtag detection */
- if (we detect this mbuf has a TSTAMP mtag)
- cmd_type_len |= IXGBE_ADVTXD_MAC_TSTAMP;
-#endif
+ error = ixgbe_tx_ctx_setup(txr, m_head, &cmd_type_len, &olinfo_status);
+ if (__predict_false(error)) {
+ if (error == ENOBUFS)
+ *m_headp = NULL;
+ return (error);
+ }
#ifdef IXGBE_FDIR
/* Do the flow director magic */
@@ -1833,10 +1834,6 @@ ixgbe_xmit(struct tx_ring *txr, struct m
}
}
#endif
- /* Record payload length */
- if (paylen == 0)
- olinfo_status |= m_head->m_pkthdr.len <<
- IXGBE_ADVTXD_PAYLEN_SHIFT;
i = txr->next_avail_desc;
for (j = 0; j < nsegs; j++) {
@@ -1852,13 +1849,9 @@ ixgbe_xmit(struct tx_ring *txr, struct m
txd->read.cmd_type_len = htole32(txr->txd_cmd |
cmd_type_len |seglen);
txd->read.olinfo_status = htole32(olinfo_status);
- last = i; /* descriptor that will get completion IRQ */
- if (++i == adapter->num_tx_desc)
+ if (++i == txr->num_desc)
i = 0;
-
- txbuf->m_head = NULL;
- txbuf->eop_index = -1;
}
txd->read.cmd_type_len |=
@@ -1867,14 +1860,19 @@ ixgbe_xmit(struct tx_ring *txr, struct m
txr->next_avail_desc = i;
txbuf->m_head = m_head;
- /* Swap the dma map between the first and last descriptor */
+ /*
+ ** Here we swap the map so the last descriptor,
+ ** which gets the completion interrupt has the
+ ** real map, and the first descriptor gets the
+ ** unused map from this descriptor.
+ */
txr->tx_buffers[first].map = txbuf->map;
txbuf->map = map;
bus_dmamap_sync(txr->txtag, map, BUS_DMASYNC_PREWRITE);
- /* Set the index of the descriptor that will be marked done */
+ /* Set the EOP descriptor that will be marked done */
txbuf = &txr->tx_buffers[first];
- txbuf->eop_index = last;
+ txbuf->eop = txd;
bus_dmamap_sync(txr->txdma.dma_tag, txr->txdma.dma_map,
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
@@ -1887,10 +1885,6 @@ ixgbe_xmit(struct tx_ring *txr, struct m
return (0);
-xmit_fail:
- bus_dmamap_unload(txr->txtag, txbuf->map);
- return (error);
-
}
static void
@@ -1940,18 +1934,6 @@ ixgbe_set_multi(struct adapter *adapter)
bzero(mta, sizeof(u8) * IXGBE_ETH_LENGTH_OF_ADDRESS *
MAX_NUM_MULTICAST_ADDRESSES);
- fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
- fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
- if (ifp->if_flags & IFF_PROMISC)
- fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
- else if (ifp->if_flags & IFF_ALLMULTI) {
- fctrl |= IXGBE_FCTRL_MPE;
- fctrl &= ~IXGBE_FCTRL_UPE;
- } else
- fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
-
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl);
-
#if __FreeBSD_version < 800000
IF_ADDR_LOCK(ifp);
#else
@@ -1960,6 +1942,8 @@ ixgbe_set_multi(struct adapter *adapter)
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
+ if (mcnt == MAX_NUM_MULTICAST_ADDRESSES)
+ break;
bcopy(LLADDR((struct sockaddr_dl *) ifma->ifma_addr),
&mta[mcnt * IXGBE_ETH_LENGTH_OF_ADDRESS],
IXGBE_ETH_LENGTH_OF_ADDRESS);
@@ -1971,9 +1955,24 @@ ixgbe_set_multi(struct adapter *adapter)
if_maddr_runlock(ifp);
#endif
- update_ptr = mta;
- ixgbe_update_mc_addr_list(&adapter->hw,
- update_ptr, mcnt, ixgbe_mc_array_itr, TRUE);
+ fctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
+ fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ if (ifp->if_flags & IFF_PROMISC)
+ fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ else if (mcnt >= MAX_NUM_MULTICAST_ADDRESSES ||
+ ifp->if_flags & IFF_ALLMULTI) {
+ fctrl |= IXGBE_FCTRL_MPE;
+ fctrl &= ~IXGBE_FCTRL_UPE;
+ } else
+ fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, fctrl);
+
+ if (mcnt < MAX_NUM_MULTICAST_ADDRESSES) {
+ update_ptr = mta;
+ ixgbe_update_mc_addr_list(&adapter->hw,
+ update_ptr, mcnt, ixgbe_mc_array_itr, TRUE);
+ }
return;
}
@@ -2009,13 +2008,11 @@ ixgbe_local_timer(void *arg)
{
struct adapter *adapter = arg;
device_t dev = adapter->dev;
- struct ifnet *ifp = adapter->ifp;
struct ix_queue *que = adapter->queues;
struct tx_ring *txr = adapter->tx_rings;
- int hung, busy, paused;
+ int hung = 0, paused = 0;
mtx_assert(&adapter->core_mtx, MA_OWNED);
- hung = busy = paused = 0;
/* Check for pluggable optics */
if (adapter->sfp_probe)
@@ -2034,27 +2031,18 @@ ixgbe_local_timer(void *arg)
/*
** Check the TX queues status
- ** - central locked handling of OACTIVE
** - watchdog only if all queues show hung
*/
for (int i = 0; i < adapter->num_queues; i++, que++, txr++) {
- if ((txr->queue_status & IXGBE_QUEUE_HUNG) &&
+ if ((txr->queue_status == IXGBE_QUEUE_HUNG) &&
(paused == 0))
++hung;
- if (txr->queue_status & IXGBE_QUEUE_DEPLETED)
- ++busy;
- if ((txr->queue_status & IXGBE_QUEUE_IDLE) == 0)
+ else if (txr->queue_status == IXGBE_QUEUE_WORKING)
taskqueue_enqueue(que->tq, &que->que_task);
}
/* Only truely watchdog if all queues show hung */
if (hung == adapter->num_queues)
goto watchdog;
- /* Only turn off the stack flow when ALL are depleted */
- if (busy == adapter->num_queues)
- ifp->if_drv_flags |= IFF_DRV_OACTIVE;
- else if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) &&
- (busy < adapter->num_queues))
- ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
out:
ixgbe_rearm_queues(adapter, adapter->que_mask);
@@ -2083,7 +2071,6 @@ static void
ixgbe_update_link_status(struct adapter *adapter)
{
struct ifnet *ifp = adapter->ifp;
- struct tx_ring *txr = adapter->tx_rings;
device_t dev = adapter->dev;
@@ -2104,9 +2091,6 @@ ixgbe_update_link_status(struct adapter
device_printf(dev,"Link is Down\n");
if_link_state_change(ifp, LINK_STATE_DOWN);
adapter->link_active = FALSE;
- for (int i = 0; i < adapter->num_queues;
- i++, txr++)
- txr->queue_status = IXGBE_QUEUE_IDLE;
}
}
@@ -2137,7 +2121,6 @@ ixgbe_stop(void *arg)
/* Let the stack know...*/
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
- ifp->if_drv_flags |= IFF_DRV_OACTIVE;
ixgbe_reset_hw(hw);
hw->adapter_stopped = FALSE;
@@ -2196,7 +2179,7 @@ ixgbe_setup_optics(struct adapter *adapt
{
struct ixgbe_hw *hw = &adapter->hw;
int layer;
-
+
layer = ixgbe_get_supported_physical_layer(hw);
if (layer & IXGBE_PHYSICAL_LAYER_10GBASE_T) {
@@ -2209,6 +2192,11 @@ ixgbe_setup_optics(struct adapter *adapt
return;
}
+ if (layer & IXGBE_PHYSICAL_LAYER_1000BASE_SX) {
+ adapter->optics = IFM_1000_SX;
+ return;
+ }
+
if (layer & (IXGBE_PHYSICAL_LAYER_10GBASE_LR |
IXGBE_PHYSICAL_LAYER_10GBASE_LRM)) {
adapter->optics = IFM_10G_LR;
@@ -2244,12 +2232,12 @@ ixgbe_setup_optics(struct adapter *adapt
static int
ixgbe_allocate_legacy(struct adapter *adapter)
{
- device_t dev = adapter->dev;
+ device_t dev = adapter->dev;
struct ix_queue *que = adapter->queues;
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
struct tx_ring *txr = adapter->tx_rings;
#endif
- int error, rid = 0;
+ int error, rid = 0;
/* MSI RID at 1 */
if (adapter->msix == 1)
@@ -2268,7 +2256,7 @@ ixgbe_allocate_legacy(struct adapter *ad
* Try allocating a fast interrupt and the associated deferred
* processing contexts.
*/
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr);
#endif
TASK_INIT(&que->que_task, 0, ixgbe_handle_que, que);
@@ -2350,7 +2338,7 @@ ixgbe_allocate_msix(struct adapter *adap
if (adapter->num_queues > 1)
bus_bind_intr(dev, que->res, i);
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
TASK_INIT(&txr->txq_task, 0, ixgbe_deferred_mq_start, txr);
#endif
TASK_INIT(&que->que_task, 0, ixgbe_handle_que, que);
@@ -2596,7 +2584,7 @@ ixgbe_setup_interface(device_t dev, stru
ifp->if_softc = adapter;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = ixgbe_ioctl;
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
ifp->if_transmit = ixgbe_mq_start;
ifp->if_qflush = ixgbe_qflush;
#else
@@ -2614,16 +2602,14 @@ ixgbe_setup_interface(device_t dev, stru
*/
ifp->if_data.ifi_hdrlen = sizeof(struct ether_vlan_header);
- ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_TSO4 | IFCAP_VLAN_HWCSUM;
+ ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_TSO | IFCAP_VLAN_HWCSUM;
ifp->if_capabilities |= IFCAP_JUMBO_MTU;
+ ifp->if_capabilities |= IFCAP_LRO;
ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING
| IFCAP_VLAN_HWTSO
| IFCAP_VLAN_MTU;
ifp->if_capenable = ifp->if_capabilities;
- /* Don't enable LRO by default */
- ifp->if_capabilities |= IFCAP_LRO;
-
/*
** Don't turn this on by default, if vlans are
** created on another pseudo device (eg. lagg)
@@ -2672,7 +2658,7 @@ ixgbe_config_link(struct adapter *adapte
taskqueue_enqueue(adapter->tq, &adapter->mod_task);
} else {
if (hw->mac.ops.check_link)
- err = ixgbe_check_link(hw, &autoneg,
+ err = ixgbe_check_link(hw, &adapter->link_speed,
&adapter->link_up, FALSE);
if (err)
goto out;
@@ -2683,8 +2669,8 @@ ixgbe_config_link(struct adapter *adapte
if (err)
goto out;
if (hw->mac.ops.setup_link)
- err = hw->mac.ops.setup_link(hw, autoneg,
- negotiate, adapter->link_up);
+ err = hw->mac.ops.setup_link(hw,
+ autoneg, adapter->link_up);
}
out:
return;
@@ -2823,6 +2809,7 @@ ixgbe_allocate_queues(struct adapter *ad
txr = &adapter->tx_rings[i];
txr->adapter = adapter;
txr->me = i;
+ txr->num_desc = adapter->num_tx_desc;
/* Initialize the TX side lock */
snprintf(txr->mtx_name, sizeof(txr->mtx_name), "%s:tx(%d)",
@@ -2846,7 +2833,7 @@ ixgbe_allocate_queues(struct adapter *ad
error = ENOMEM;
goto err_tx_desc;
}
-#if __FreeBSD_version >= 800000
+#ifndef IXGBE_LEGACY_TX
/* Allocate a buf ring */
txr->br = buf_ring_alloc(IXGBE_BR_SIZE, M_DEVBUF,
M_WAITOK, &txr->tx_mtx);
@@ -2869,6 +2856,7 @@ ixgbe_allocate_queues(struct adapter *ad
/* Set up some basics */
rxr->adapter = adapter;
rxr->me = i;
+ rxr->num_desc = adapter->num_rx_desc;
/* Initialize the RX side lock */
snprintf(rxr->mtx_name, sizeof(rxr->mtx_name), "%s:rx(%d)",
@@ -3014,7 +3002,7 @@ ixgbe_setup_transmit_ring(struct tx_ring
/* Free any existing tx buffers. */
txbuf = txr->tx_buffers;
- for (i = 0; i < adapter->num_tx_desc; i++, txbuf++) {
+ for (i = 0; i < txr->num_desc; i++, txbuf++) {
if (txbuf->m_head != NULL) {
bus_dmamap_sync(txr->txtag, txbuf->map,
BUS_DMASYNC_POSTWRITE);
@@ -3038,8 +3026,8 @@ ixgbe_setup_transmit_ring(struct tx_ring
netmap_load_map(txr->txtag, txbuf->map, NMB(slot + si));
}
#endif /* DEV_NETMAP */
- /* Clear the EOP index */
- txbuf->eop_index = -1;
+ /* Clear the EOP descriptor pointer */
+ txbuf->eop = NULL;
}
#ifdef IXGBE_FDIR
@@ -3093,7 +3081,7 @@ ixgbe_initialize_transmit_units(struct a
(tdba & 0x00000000ffffffffULL));
IXGBE_WRITE_REG(hw, IXGBE_TDBAH(i), (tdba >> 32));
IXGBE_WRITE_REG(hw, IXGBE_TDLEN(i),
- adapter->num_tx_desc * sizeof(struct ixgbe_legacy_tx_desc));
+ adapter->num_tx_desc * sizeof(union ixgbe_adv_tx_desc));
/* Setup the HW Tx Head and Tail descriptor pointers */
IXGBE_WRITE_REG(hw, IXGBE_TDH(i), 0);
@@ -3103,6 +3091,9 @@ ixgbe_initialize_transmit_units(struct a
txr->txd_cmd = IXGBE_TXD_CMD_IFCS;
txr->queue_status = IXGBE_QUEUE_IDLE;
+ /* Set the processing limit */
+ txr->process_limit = ixgbe_tx_process_limit;
+
/* Disable Head Writeback */
switch (hw->mac.type) {
case ixgbe_mac_82598EB:
@@ -3204,7 +3195,7 @@ ixgbe_free_transmit_buffers(struct tx_ri
tx_buffer->map = NULL;
}
}
-#if __FreeBSD_version >= 800000
+#ifdef IXGBE_LEGACY_TX
if (txr->br != NULL)
buf_ring_free(txr->br, M_DEVBUF);
#endif
@@ -3221,43 +3212,49 @@ ixgbe_free_transmit_buffers(struct tx_ri
/*********************************************************************
*
- * Advanced Context Descriptor setup for VLAN or CSUM
+ * Advanced Context Descriptor setup for VLAN, CSUM or TSO
*
**********************************************************************/
-static bool
-ixgbe_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp)
+static int
+ixgbe_tx_ctx_setup(struct tx_ring *txr, struct mbuf *mp,
+ u32 *cmd_type_len, u32 *olinfo_status)
{
- struct adapter *adapter = txr->adapter;
struct ixgbe_adv_tx_context_desc *TXD;
- struct ixgbe_tx_buf *tx_buffer;
- u32 vlan_macip_lens = 0, type_tucmd_mlhl = 0;
struct ether_vlan_header *eh;
struct ip *ip;
struct ip6_hdr *ip6;
- int ehdrlen, ip_hlen = 0;
+ u32 vlan_macip_lens = 0, type_tucmd_mlhl = 0;
+ int ehdrlen, ip_hlen = 0;
u16 etype;
u8 ipproto = 0;
- bool offload = TRUE;
- int ctxd = txr->next_avail_desc;
- u16 vtag = 0;
-
+ int offload = TRUE;
+ int ctxd = txr->next_avail_desc;
+ u16 vtag = 0;
+
+ /* First check if TSO is to be used */
+ if (mp->m_pkthdr.csum_flags & CSUM_TSO)
+ return (ixgbe_tso_setup(txr, mp, cmd_type_len, olinfo_status));
if ((mp->m_pkthdr.csum_flags & CSUM_OFFLOAD) == 0)
offload = FALSE;
- tx_buffer = &txr->tx_buffers[ctxd];
+ /* Indicate the whole packet as payload when not doing TSO */
+ *olinfo_status |= mp->m_pkthdr.len << IXGBE_ADVTXD_PAYLEN_SHIFT;
+
+ /* Now ready a context descriptor */
TXD = (struct ixgbe_adv_tx_context_desc *) &txr->tx_base[ctxd];
/*
** In advanced descriptors the vlan tag must
- ** be placed into the descriptor itself.
+ ** be placed into the context descriptor. Hence
+ ** we need to make one even if not doing offloads.
*/
if (mp->m_flags & M_VLANTAG) {
vtag = htole16(mp->m_pkthdr.ether_vtag);
vlan_macip_lens |= (vtag << IXGBE_ADVTXD_VLAN_SHIFT);
- } else if (offload == FALSE)
- return FALSE;
+ } else if (offload == FALSE) /* ... no offload to do */
+ return (0);
/*
* Determine where frame payload starts.
@@ -3286,6 +3283,7 @@ ixgbe_tx_ctx_setup(struct tx_ring *txr,
case ETHERTYPE_IPV6:
ip6 = (struct ip6_hdr *)(mp->m_data + ehdrlen);
ip_hlen = sizeof(struct ip6_hdr);
+ /* XXX-BZ this will go badly in case of ext hdrs. */
ipproto = ip6->ip6_nxt;
type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV6;
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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