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drivers/net/ixgbe/ixgbe_main.c: Add ixgbe_psum
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Reduce indentation in a couple of places
Add static function ixgbe_psum
Add temporary for adapter->stats

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Joe Perches authored and David S. Miller committed Sep 8, 2010
1 parent c768957 commit 7ca647b
Showing 1 changed file with 151 additions and 146 deletions.
297 changes: 151 additions & 146 deletions drivers/net/ixgbe/ixgbe_main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1634,34 +1634,35 @@ static void ixgbe_check_overtemp_task(struct work_struct *work)
struct ixgbe_hw *hw = &adapter->hw;
u32 eicr = adapter->interrupt_event;

if (adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) {
switch (hw->device_id) {
case IXGBE_DEV_ID_82599_T3_LOM: {
u32 autoneg;
bool link_up = false;

if (hw->mac.ops.check_link)
hw->mac.ops.check_link(hw, &autoneg, &link_up, false);

if (((eicr & IXGBE_EICR_GPI_SDP0) && (!link_up)) ||
(eicr & IXGBE_EICR_LSC))
/* Check if this is due to overtemp */
if (hw->phy.ops.check_overtemp(hw) == IXGBE_ERR_OVERTEMP)
break;
}
if (!(adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE))
return;

switch (hw->device_id) {
case IXGBE_DEV_ID_82599_T3_LOM: {
u32 autoneg;
bool link_up = false;

if (hw->mac.ops.check_link)
hw->mac.ops.check_link(hw, &autoneg, &link_up, false);

if (((eicr & IXGBE_EICR_GPI_SDP0) && (!link_up)) ||
(eicr & IXGBE_EICR_LSC))
/* Check if this is due to overtemp */
if (hw->phy.ops.check_overtemp(hw) == IXGBE_ERR_OVERTEMP)
break;
return;
}
default:
if (!(eicr & IXGBE_EICR_GPI_SDP0))
return;
default:
if (!(eicr & IXGBE_EICR_GPI_SDP0))
return;
break;
}
e_crit(drv, "Network adapter has been stopped because it has "
"over heated. Restart the computer. If the problem "
"persists, power off the system and replace the "
"adapter\n");
/* write to clear the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0);
break;
}
e_crit(drv,
"Network adapter has been stopped because it has over heated. "
"Restart the computer. If the problem persists, "
"power off the system and replace the adapter\n");
/* write to clear the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP0);
}

static void ixgbe_check_fan_failure(struct ixgbe_adapter *adapter, u32 eicr)
Expand Down Expand Up @@ -5396,6 +5397,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
u64 total_mpc = 0;
u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
u64 non_eop_descs = 0, restart_queue = 0;
struct ixgbe_hw_stats *hwstats = &adapter->stats;

if (test_bit(__IXGBE_DOWN, &adapter->state) ||
test_bit(__IXGBE_RESETTING, &adapter->state))
Expand All @@ -5406,7 +5408,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
u64 rsc_flush = 0;
for (i = 0; i < 16; i++)
adapter->hw_rx_no_dma_resources +=
IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
for (i = 0; i < adapter->num_rx_queues; i++) {
rsc_count += adapter->rx_ring[i]->rsc_count;
rsc_flush += adapter->rx_ring[i]->rsc_flush;
Expand All @@ -5424,121 +5426,118 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
non_eop_descs += adapter->rx_ring[i]->non_eop_descs;
adapter->non_eop_descs = non_eop_descs;

adapter->stats.crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
hwstats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
for (i = 0; i < 8; i++) {
/* for packet buffers not used, the register should read 0 */
mpc = IXGBE_READ_REG(hw, IXGBE_MPC(i));
missed_rx += mpc;
adapter->stats.mpc[i] += mpc;
total_mpc += adapter->stats.mpc[i];
hwstats->mpc[i] += mpc;
total_mpc += hwstats->mpc[i];
if (hw->mac.type == ixgbe_mac_82598EB)
adapter->stats.rnbc[i] += IXGBE_READ_REG(hw, IXGBE_RNBC(i));
adapter->stats.qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
adapter->stats.qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i));
adapter->stats.qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
adapter->stats.qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i));
hwstats->rnbc[i] += IXGBE_READ_REG(hw, IXGBE_RNBC(i));
hwstats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i));
hwstats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i));
if (hw->mac.type == ixgbe_mac_82599EB) {
adapter->stats.pxonrxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXONRXCNT(i));
adapter->stats.pxoffrxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXOFFRXCNT(i));
adapter->stats.qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
hwstats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
hwstats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
hwstats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
} else {
adapter->stats.pxonrxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXONRXC(i));
adapter->stats.pxoffrxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXOFFRXC(i));
hwstats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
hwstats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
}
adapter->stats.pxontxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXONTXC(i));
adapter->stats.pxofftxc[i] += IXGBE_READ_REG(hw,
IXGBE_PXOFFTXC(i));
hwstats->pxontxc[i] += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
hwstats->pxofftxc[i] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
}
adapter->stats.gprc += IXGBE_READ_REG(hw, IXGBE_GPRC);
hwstats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC);
/* work around hardware counting issue */
adapter->stats.gprc -= missed_rx;
hwstats->gprc -= missed_rx;

/* 82598 hardware only has a 32 bit counter in the high register */
if (hw->mac.type == ixgbe_mac_82599EB) {
u64 tmp;
adapter->stats.gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
tmp = IXGBE_READ_REG(hw, IXGBE_GORCH) & 0xF;
/* 4 high bits of GORC */
adapter->stats.gorc += (tmp << 32);
adapter->stats.gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
hwstats->gorc += (tmp << 32);
hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
tmp = IXGBE_READ_REG(hw, IXGBE_GOTCH) & 0xF;
/* 4 high bits of GOTC */
adapter->stats.gotc += (tmp << 32);
adapter->stats.tor += IXGBE_READ_REG(hw, IXGBE_TORL);
hwstats->gotc += (tmp << 32);
hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORL);
IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
adapter->stats.fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
adapter->stats.fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
hwstats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
hwstats->fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
#ifdef IXGBE_FCOE
adapter->stats.fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
adapter->stats.fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
adapter->stats.fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
adapter->stats.fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
adapter->stats.fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
adapter->stats.fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
hwstats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
hwstats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
hwstats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
hwstats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
hwstats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
#endif /* IXGBE_FCOE */
} else {
adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
adapter->stats.gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
adapter->stats.gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
adapter->stats.tor += IXGBE_READ_REG(hw, IXGBE_TORH);
hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
}
bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
adapter->stats.bprc += bprc;
adapter->stats.mprc += IXGBE_READ_REG(hw, IXGBE_MPRC);
hwstats->bprc += bprc;
hwstats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC);
if (hw->mac.type == ixgbe_mac_82598EB)
adapter->stats.mprc -= bprc;
adapter->stats.roc += IXGBE_READ_REG(hw, IXGBE_ROC);
adapter->stats.prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64);
adapter->stats.prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127);
adapter->stats.prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255);
adapter->stats.prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511);
adapter->stats.prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023);
adapter->stats.prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522);
adapter->stats.rlec += IXGBE_READ_REG(hw, IXGBE_RLEC);
hwstats->mprc -= bprc;
hwstats->roc += IXGBE_READ_REG(hw, IXGBE_ROC);
hwstats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64);
hwstats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127);
hwstats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255);
hwstats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511);
hwstats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023);
hwstats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522);
hwstats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC);
lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC);
adapter->stats.lxontxc += lxon;
hwstats->lxontxc += lxon;
lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
adapter->stats.lxofftxc += lxoff;
adapter->stats.ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
adapter->stats.gptc += IXGBE_READ_REG(hw, IXGBE_GPTC);
adapter->stats.mptc += IXGBE_READ_REG(hw, IXGBE_MPTC);
hwstats->lxofftxc += lxoff;
hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
hwstats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC);
hwstats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC);
/*
* 82598 errata - tx of flow control packets is included in tx counters
*/
xon_off_tot = lxon + lxoff;
adapter->stats.gptc -= xon_off_tot;
adapter->stats.mptc -= xon_off_tot;
adapter->stats.gotc -= (xon_off_tot * (ETH_ZLEN + ETH_FCS_LEN));
adapter->stats.ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
adapter->stats.rfc += IXGBE_READ_REG(hw, IXGBE_RFC);
adapter->stats.rjc += IXGBE_READ_REG(hw, IXGBE_RJC);
adapter->stats.tpr += IXGBE_READ_REG(hw, IXGBE_TPR);
adapter->stats.ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64);
adapter->stats.ptc64 -= xon_off_tot;
adapter->stats.ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127);
adapter->stats.ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255);
adapter->stats.ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511);
adapter->stats.ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
adapter->stats.ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
adapter->stats.bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
hwstats->gptc -= xon_off_tot;
hwstats->mptc -= xon_off_tot;
hwstats->gotc -= (xon_off_tot * (ETH_ZLEN + ETH_FCS_LEN));
hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
hwstats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC);
hwstats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC);
hwstats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR);
hwstats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64);
hwstats->ptc64 -= xon_off_tot;
hwstats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127);
hwstats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255);
hwstats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511);
hwstats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
hwstats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
hwstats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);

/* Fill out the OS statistics structure */
netdev->stats.multicast = adapter->stats.mprc;
netdev->stats.multicast = hwstats->mprc;

/* Rx Errors */
netdev->stats.rx_errors = adapter->stats.crcerrs +
adapter->stats.rlec;
netdev->stats.rx_errors = hwstats->crcerrs + hwstats->rlec;
netdev->stats.rx_dropped = 0;
netdev->stats.rx_length_errors = adapter->stats.rlec;
netdev->stats.rx_crc_errors = adapter->stats.crcerrs;
netdev->stats.rx_length_errors = hwstats->rlec;
netdev->stats.rx_crc_errors = hwstats->crcerrs;
netdev->stats.rx_missed_errors = total_mpc;
}

Expand Down Expand Up @@ -5868,6 +5867,50 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
return false;
}

static u32 ixgbe_psum(struct ixgbe_adapter *adapter, struct sk_buff *skb)
{
u32 rtn = 0;
__be16 protocol;

if (skb->protocol == cpu_to_be16(ETH_P_8021Q))
protocol = ((const struct vlan_ethhdr *)skb->data)->
h_vlan_encapsulated_proto;
else
protocol = skb->protocol;

switch (protocol) {
case cpu_to_be16(ETH_P_IP):
rtn |= IXGBE_ADVTXD_TUCMD_IPV4;
switch (ip_hdr(skb)->protocol) {
case IPPROTO_TCP:
rtn |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
break;
case IPPROTO_SCTP:
rtn |= IXGBE_ADVTXD_TUCMD_L4T_SCTP;
break;
}
break;
case cpu_to_be16(ETH_P_IPV6):
/* XXX what about other V6 headers?? */
switch (ipv6_hdr(skb)->nexthdr) {
case IPPROTO_TCP:
rtn |= IXGBE_ADVTXD_TUCMD_L4T_TCP;
break;
case IPPROTO_SCTP:
rtn |= IXGBE_ADVTXD_TUCMD_L4T_SCTP;
break;
}
break;
default:
if (unlikely(net_ratelimit()))
e_warn(probe, "partial checksum but proto=%x!\n",
skb->protocol);
break;
}

return rtn;
}

static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring,
struct sk_buff *skb, u32 tx_flags)
Expand Down Expand Up @@ -5898,46 +5941,8 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT |
IXGBE_ADVTXD_DTYP_CTXT);

if (skb->ip_summed == CHECKSUM_PARTIAL) {
__be16 protocol;

if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) {
const struct vlan_ethhdr *vhdr =
(const struct vlan_ethhdr *)skb->data;

protocol = vhdr->h_vlan_encapsulated_proto;
} else {
protocol = skb->protocol;
}

switch (protocol) {
case cpu_to_be16(ETH_P_IP):
type_tucmd_mlhl |= IXGBE_ADVTXD_TUCMD_IPV4;
if (ip_hdr(skb)->protocol == IPPROTO_TCP)
type_tucmd_mlhl |=
IXGBE_ADVTXD_TUCMD_L4T_TCP;
else if (ip_hdr(skb)->protocol == IPPROTO_SCTP)
type_tucmd_mlhl |=
IXGBE_ADVTXD_TUCMD_L4T_SCTP;
break;
case cpu_to_be16(ETH_P_IPV6):
/* XXX what about other V6 headers?? */
if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP)
type_tucmd_mlhl |=
IXGBE_ADVTXD_TUCMD_L4T_TCP;
else if (ipv6_hdr(skb)->nexthdr == IPPROTO_SCTP)
type_tucmd_mlhl |=
IXGBE_ADVTXD_TUCMD_L4T_SCTP;
break;
default:
if (unlikely(net_ratelimit())) {
e_warn(probe, "partial checksum "
"but proto=%x!\n",
skb->protocol);
}
break;
}
}
if (skb->ip_summed == CHECKSUM_PARTIAL)
type_tucmd_mlhl |= ixgbe_psum(adapter, skb);

context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
/* use index zero for tx checksum offload */
Expand Down

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