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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>
This commit is contained in:
Joe Perches 2010-09-07 21:35:40 +00:00 committed by David S. Miller
parent c7689578f5
commit 7ca647bdad
1 changed files with 150 additions and 145 deletions
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295
drivers/net/ixgbe/ixgbe_main.c
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@ -1634,34 +1634,35 @@ static void ixgbe_check_overtemp_task(struct work_struct *work)
struct ixgbe_hw *hw = &adapter->hw; struct ixgbe_hw *hw = &adapter->hw;
u32 eicr = adapter->interrupt_event; u32 eicr = adapter->interrupt_event;
if (adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) { if (!(adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE))
switch (hw->device_id) { return;
case IXGBE_DEV_ID_82599_T3_LOM: {
u32 autoneg;
bool link_up = false;
if (hw->mac.ops.check_link) switch (hw->device_id) {
hw->mac.ops.check_link(hw, &autoneg, &link_up, false); case IXGBE_DEV_ID_82599_T3_LOM: {
u32 autoneg;
bool link_up = false;
if (((eicr & IXGBE_EICR_GPI_SDP0) && (!link_up)) || if (hw->mac.ops.check_link)
(eicr & IXGBE_EICR_LSC)) hw->mac.ops.check_link(hw, &autoneg, &link_up, false);
/* Check if this is due to overtemp */
if (hw->phy.ops.check_overtemp(hw) == IXGBE_ERR_OVERTEMP) if (((eicr & IXGBE_EICR_GPI_SDP0) && (!link_up)) ||
break; (eicr & IXGBE_EICR_LSC))
} /* Check if this is due to overtemp */
return; if (hw->phy.ops.check_overtemp(hw) == IXGBE_ERR_OVERTEMP)
default: break;
if (!(eicr & IXGBE_EICR_GPI_SDP0)) return;
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);
} }
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);
} }
static void ixgbe_check_fan_failure(struct ixgbe_adapter *adapter, u32 eicr) static void ixgbe_check_fan_failure(struct ixgbe_adapter *adapter, u32 eicr)
@ -5396,6 +5397,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
u64 total_mpc = 0; u64 total_mpc = 0;
u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot; u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
u64 non_eop_descs = 0, restart_queue = 0; u64 non_eop_descs = 0, restart_queue = 0;
struct ixgbe_hw_stats *hwstats = &adapter->stats;
if (test_bit(__IXGBE_DOWN, &adapter->state) || if (test_bit(__IXGBE_DOWN, &adapter->state) ||
test_bit(__IXGBE_RESETTING, &adapter->state)) test_bit(__IXGBE_RESETTING, &adapter->state))
@ -5406,7 +5408,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
u64 rsc_flush = 0; u64 rsc_flush = 0;
for (i = 0; i < 16; i++) for (i = 0; i < 16; i++)
adapter->hw_rx_no_dma_resources += 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++) { for (i = 0; i < adapter->num_rx_queues; i++) {
rsc_count += adapter->rx_ring[i]->rsc_count; rsc_count += adapter->rx_ring[i]->rsc_count;
rsc_flush += adapter->rx_ring[i]->rsc_flush; rsc_flush += adapter->rx_ring[i]->rsc_flush;
@ -5424,121 +5426,118 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter)
non_eop_descs += adapter->rx_ring[i]->non_eop_descs; non_eop_descs += adapter->rx_ring[i]->non_eop_descs;
adapter->non_eop_descs = 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 (i = 0; i < 8; i++) {
/* for packet buffers not used, the register should read 0 */ /* for packet buffers not used, the register should read 0 */
mpc = IXGBE_READ_REG(hw, IXGBE_MPC(i)); mpc = IXGBE_READ_REG(hw, IXGBE_MPC(i));
missed_rx += mpc; missed_rx += mpc;
adapter->stats.mpc[i] += mpc; hwstats->mpc[i] += mpc;
total_mpc += adapter->stats.mpc[i]; total_mpc += hwstats->mpc[i];
if (hw->mac.type == ixgbe_mac_82598EB) if (hw->mac.type == ixgbe_mac_82598EB)
adapter->stats.rnbc[i] += IXGBE_READ_REG(hw, IXGBE_RNBC(i)); hwstats->rnbc[i] += IXGBE_READ_REG(hw, IXGBE_RNBC(i));
adapter->stats.qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i)); hwstats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
adapter->stats.qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i)); hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i));
adapter->stats.qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i)); hwstats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
adapter->stats.qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i)); hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i));
if (hw->mac.type == ixgbe_mac_82599EB) { if (hw->mac.type == ixgbe_mac_82599EB) {
adapter->stats.pxonrxc[i] += IXGBE_READ_REG(hw, hwstats->pxonrxc[i] +=
IXGBE_PXONRXCNT(i)); IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
adapter->stats.pxoffrxc[i] += IXGBE_READ_REG(hw, hwstats->pxoffrxc[i] +=
IXGBE_PXOFFRXCNT(i)); IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
adapter->stats.qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i)); hwstats->qprdc[i] += IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
} else { } else {
adapter->stats.pxonrxc[i] += IXGBE_READ_REG(hw, hwstats->pxonrxc[i] +=
IXGBE_PXONRXC(i)); IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
adapter->stats.pxoffrxc[i] += IXGBE_READ_REG(hw, hwstats->pxoffrxc[i] +=
IXGBE_PXOFFRXC(i)); IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
} }
adapter->stats.pxontxc[i] += IXGBE_READ_REG(hw, hwstats->pxontxc[i] += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
IXGBE_PXONTXC(i)); hwstats->pxofftxc[i] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
adapter->stats.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 */ /* 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 */ /* 82598 hardware only has a 32 bit counter in the high register */
if (hw->mac.type == ixgbe_mac_82599EB) { if (hw->mac.type == ixgbe_mac_82599EB) {
u64 tmp; 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; tmp = IXGBE_READ_REG(hw, IXGBE_GORCH) & 0xF;
/* 4 high bits of GORC */ /* 4 high bits of GORC */
adapter->stats.gorc += (tmp << 32); hwstats->gorc += (tmp << 32);
adapter->stats.gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL); hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
tmp = IXGBE_READ_REG(hw, IXGBE_GOTCH) & 0xF; tmp = IXGBE_READ_REG(hw, IXGBE_GOTCH) & 0xF;
/* 4 high bits of GOTC */ /* 4 high bits of GOTC */
adapter->stats.gotc += (tmp << 32); hwstats->gotc += (tmp << 32);
adapter->stats.tor += IXGBE_READ_REG(hw, IXGBE_TORL); hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORL);
IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */ IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT); hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT); hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
adapter->stats.fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH); hwstats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
adapter->stats.fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS); hwstats->fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
#ifdef IXGBE_FCOE #ifdef IXGBE_FCOE
adapter->stats.fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC); hwstats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
adapter->stats.fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC); hwstats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
adapter->stats.fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC); hwstats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
adapter->stats.fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC); hwstats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
adapter->stats.fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC); hwstats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
adapter->stats.fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC); hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
#endif /* IXGBE_FCOE */ #endif /* IXGBE_FCOE */
} else { } else {
adapter->stats.lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC); hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
adapter->stats.lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC); hwstats->lxoffrxc += IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
adapter->stats.gorc += IXGBE_READ_REG(hw, IXGBE_GORCH); hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
adapter->stats.gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH); hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
adapter->stats.tor += IXGBE_READ_REG(hw, IXGBE_TORH); hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
} }
bprc = IXGBE_READ_REG(hw, IXGBE_BPRC); bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
adapter->stats.bprc += bprc; hwstats->bprc += bprc;
adapter->stats.mprc += IXGBE_READ_REG(hw, IXGBE_MPRC); hwstats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC);
if (hw->mac.type == ixgbe_mac_82598EB) if (hw->mac.type == ixgbe_mac_82598EB)
adapter->stats.mprc -= bprc; hwstats->mprc -= bprc;
adapter->stats.roc += IXGBE_READ_REG(hw, IXGBE_ROC); hwstats->roc += IXGBE_READ_REG(hw, IXGBE_ROC);
adapter->stats.prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64); hwstats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64);
adapter->stats.prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127); hwstats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127);
adapter->stats.prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255); hwstats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255);
adapter->stats.prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511); hwstats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511);
adapter->stats.prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023); hwstats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023);
adapter->stats.prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522); hwstats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522);
adapter->stats.rlec += IXGBE_READ_REG(hw, IXGBE_RLEC); hwstats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC);
lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC); lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC);
adapter->stats.lxontxc += lxon; hwstats->lxontxc += lxon;
lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC); lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
adapter->stats.lxofftxc += lxoff; hwstats->lxofftxc += lxoff;
adapter->stats.ruc += IXGBE_READ_REG(hw, IXGBE_RUC); hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
adapter->stats.gptc += IXGBE_READ_REG(hw, IXGBE_GPTC); hwstats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC);
adapter->stats.mptc += IXGBE_READ_REG(hw, IXGBE_MPTC); hwstats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC);
/* /*
* 82598 errata - tx of flow control packets is included in tx counters * 82598 errata - tx of flow control packets is included in tx counters
*/ */
xon_off_tot = lxon + lxoff; xon_off_tot = lxon + lxoff;
adapter->stats.gptc -= xon_off_tot; hwstats->gptc -= xon_off_tot;
adapter->stats.mptc -= xon_off_tot; hwstats->mptc -= xon_off_tot;
adapter->stats.gotc -= (xon_off_tot * (ETH_ZLEN + ETH_FCS_LEN)); hwstats->gotc -= (xon_off_tot * (ETH_ZLEN + ETH_FCS_LEN));
adapter->stats.ruc += IXGBE_READ_REG(hw, IXGBE_RUC); hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
adapter->stats.rfc += IXGBE_READ_REG(hw, IXGBE_RFC); hwstats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC);
adapter->stats.rjc += IXGBE_READ_REG(hw, IXGBE_RJC); hwstats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC);
adapter->stats.tpr += IXGBE_READ_REG(hw, IXGBE_TPR); hwstats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR);
adapter->stats.ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64); hwstats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64);
adapter->stats.ptc64 -= xon_off_tot; hwstats->ptc64 -= xon_off_tot;
adapter->stats.ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127); hwstats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127);
adapter->stats.ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255); hwstats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255);
adapter->stats.ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511); hwstats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511);
adapter->stats.ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023); hwstats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
adapter->stats.ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522); hwstats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
adapter->stats.bptc += IXGBE_READ_REG(hw, IXGBE_BPTC); hwstats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
/* Fill out the OS statistics structure */ /* Fill out the OS statistics structure */
netdev->stats.multicast = adapter->stats.mprc; netdev->stats.multicast = hwstats->mprc;
/* Rx Errors */ /* Rx Errors */
netdev->stats.rx_errors = adapter->stats.crcerrs + netdev->stats.rx_errors = hwstats->crcerrs + hwstats->rlec;
adapter->stats.rlec;
netdev->stats.rx_dropped = 0; netdev->stats.rx_dropped = 0;
netdev->stats.rx_length_errors = adapter->stats.rlec; netdev->stats.rx_length_errors = hwstats->rlec;
netdev->stats.rx_crc_errors = adapter->stats.crcerrs; netdev->stats.rx_crc_errors = hwstats->crcerrs;
netdev->stats.rx_missed_errors = total_mpc; netdev->stats.rx_missed_errors = total_mpc;
} }
@ -5868,6 +5867,50 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
return false; 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, static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
struct ixgbe_ring *tx_ring, struct ixgbe_ring *tx_ring,
struct sk_buff *skb, u32 tx_flags) struct sk_buff *skb, u32 tx_flags)
@ -5898,46 +5941,8 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT | type_tucmd_mlhl |= (IXGBE_TXD_CMD_DEXT |
IXGBE_ADVTXD_DTYP_CTXT); IXGBE_ADVTXD_DTYP_CTXT);
if (skb->ip_summed == CHECKSUM_PARTIAL) { if (skb->ip_summed == CHECKSUM_PARTIAL)
__be16 protocol; type_tucmd_mlhl |= ixgbe_psum(adapter, skb);
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;
}
}
context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl); context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
/* use index zero for tx checksum offload */ /* use index zero for tx checksum offload */