{
u32 mask;
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
- } else {
+ break;
+ case ixgbe_mac_82599EB:
mask = (qmask & 0xFFFFFFFF);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(0), mask);
mask = (qmask >> 32);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS_EX(1), mask);
+ break;
+ default:
+ break;
}
}
break;
default:
tc = 0;
+ break;
}
txoff <<= tc;
}
struct ixgbe_adapter *adapter = q_vector->adapter;
union ixgbe_adv_tx_desc *tx_desc, *eop_desc;
struct ixgbe_tx_buffer *tx_buffer_info;
- unsigned int i, eop, count = 0;
unsigned int total_bytes = 0, total_packets = 0;
+ u16 i, eop, count = 0;
i = tx_ring->next_to_clean;
eop = tx_ring->tx_buffer_info[i].next_to_watch;
}
tx_ring->next_to_clean = i;
+ tx_ring->total_bytes += total_bytes;
+ tx_ring->total_packets += total_packets;
+ u64_stats_update_begin(&tx_ring->syncp);
+ tx_ring->stats.packets += total_packets;
+ tx_ring->stats.bytes += total_bytes;
+ u64_stats_update_end(&tx_ring->syncp);
+
+ if (check_for_tx_hang(tx_ring) &&
+ ixgbe_check_tx_hang(adapter, tx_ring, i)) {
+ /* schedule immediate reset if we believe we hung */
+ e_info(probe, "tx hang %d detected, resetting "
+ "adapter\n", adapter->tx_timeout_count + 1);
+ ixgbe_tx_timeout(adapter->netdev);
+
+ /* the adapter is about to reset, no point in enabling stuff */
+ return true;
+ }
#define TX_WAKE_THRESHOLD (DESC_NEEDED * 2)
if (unlikely(count && netif_carrier_ok(tx_ring->netdev) &&
}
}
- if (check_for_tx_hang(tx_ring) &&
- ixgbe_check_tx_hang(adapter, tx_ring, i)) {
- /* schedule immediate reset if we believe we hung */
- e_info(probe, "tx hang %d detected, resetting "
- "adapter\n", adapter->tx_timeout_count + 1);
- ixgbe_tx_timeout(adapter->netdev);
- }
-
- /* re-arm the interrupt */
- if (count >= tx_ring->work_limit)
- ixgbe_irq_rearm_queues(adapter, ((u64)1 << q_vector->v_idx));
-
- tx_ring->total_bytes += total_bytes;
- tx_ring->total_packets += total_packets;
- u64_stats_update_begin(&tx_ring->syncp);
- tx_ring->stats.packets += total_packets;
- tx_ring->stats.bytes += total_bytes;
- u64_stats_update_end(&tx_ring->syncp);
return count < tx_ring->work_limit;
}
}
}
-static inline u16 ixgbe_get_hdr_info(union ixgbe_adv_rx_desc *rx_desc)
-{
- return rx_desc->wb.lower.lo_dword.hs_rss.hdr_info;
-}
-
-static inline u16 ixgbe_get_pkt_info(union ixgbe_adv_rx_desc *rx_desc)
-{
- return rx_desc->wb.lower.lo_dword.hs_rss.pkt_info;
-}
-
-static inline u32 ixgbe_get_rsc_count(union ixgbe_adv_rx_desc *rx_desc)
+static inline u16 ixgbe_get_hlen(union ixgbe_adv_rx_desc *rx_desc)
{
- return (le32_to_cpu(rx_desc->wb.lower.lo_dword.data) &
- IXGBE_RXDADV_RSCCNT_MASK) >>
- IXGBE_RXDADV_RSCCNT_SHIFT;
+ /* HW will not DMA in data larger than the given buffer, even if it
+ * parses the (NFS, of course) header to be larger. In that case, it
+ * fills the header buffer and spills the rest into the page.
+ */
+ u16 hdr_info = le16_to_cpu(rx_desc->wb.lower.lo_dword.hs_rss.hdr_info);
+ u16 hlen = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
+ IXGBE_RXDADV_HDRBUFLEN_SHIFT;
+ if (hlen > IXGBE_RX_HDR_SIZE)
+ hlen = IXGBE_RX_HDR_SIZE;
+ return hlen;
}
/**
* ixgbe_transform_rsc_queue - change rsc queue into a full packet
* @skb: pointer to the last skb in the rsc queue
- * @count: pointer to number of packets coalesced in this context
*
* This function changes a queue full of hw rsc buffers into a completed
* packet. It uses the ->prev pointers to find the first packet and then
* turns it into the frag list owner.
**/
-static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb,
- u64 *count)
+static inline struct sk_buff *ixgbe_transform_rsc_queue(struct sk_buff *skb)
{
unsigned int frag_list_size = 0;
+ unsigned int skb_cnt = 1;
while (skb->prev) {
struct sk_buff *prev = skb->prev;
frag_list_size += skb->len;
skb->prev = NULL;
skb = prev;
- *count += 1;
+ skb_cnt++;
}
skb_shinfo(skb)->frag_list = skb->next;
skb->len += frag_list_size;
skb->data_len += frag_list_size;
skb->truesize += frag_list_size;
+ IXGBE_RSC_CB(skb)->skb_cnt = skb_cnt;
+
return skb;
}
-struct ixgbe_rsc_cb {
- dma_addr_t dma;
- bool delay_unmap;
-};
-
-#define IXGBE_RSC_CB(skb) ((struct ixgbe_rsc_cb *)(skb)->cb)
+static inline bool ixgbe_get_rsc_state(union ixgbe_adv_rx_desc *rx_desc)
+{
+ return !!(le32_to_cpu(rx_desc->wb.lower.lo_dword.data) &
+ IXGBE_RXDADV_RSCCNT_MASK);
+}
-static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
+static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
struct ixgbe_ring *rx_ring,
int *work_done, int work_to_do)
{
union ixgbe_adv_rx_desc *rx_desc, *next_rxd;
struct ixgbe_rx_buffer *rx_buffer_info, *next_buffer;
struct sk_buff *skb;
- unsigned int i, rsc_count = 0;
- u32 len, staterr;
- u16 hdr_info;
- bool cleaned = false;
- int cleaned_count = 0;
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
+ const int current_node = numa_node_id();
#ifdef IXGBE_FCOE
int ddp_bytes = 0;
#endif /* IXGBE_FCOE */
+ u32 staterr;
+ u16 i;
+ u16 cleaned_count = 0;
+ bool pkt_is_rsc = false;
i = rx_ring->next_to_clean;
rx_desc = IXGBE_RX_DESC_ADV(rx_ring, i);
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
- rx_buffer_info = &rx_ring->rx_buffer_info[i];
while (staterr & IXGBE_RXD_STAT_DD) {
u32 upper_len = 0;
- if (*work_done >= work_to_do)
- break;
- (*work_done)++;
rmb(); /* read descriptor and rx_buffer_info after status DD */
- if (ring_is_ps_enabled(rx_ring)) {
- hdr_info = le16_to_cpu(ixgbe_get_hdr_info(rx_desc));
- len = (hdr_info & IXGBE_RXDADV_HDRBUFLEN_MASK) >>
- IXGBE_RXDADV_HDRBUFLEN_SHIFT;
- upper_len = le16_to_cpu(rx_desc->wb.upper.length);
- if ((len > IXGBE_RX_HDR_SIZE) ||
- (upper_len && !(hdr_info & IXGBE_RXDADV_SPH)))
- len = IXGBE_RX_HDR_SIZE;
- } else {
- len = le16_to_cpu(rx_desc->wb.upper.length);
- }
- cleaned = true;
+ rx_buffer_info = &rx_ring->rx_buffer_info[i];
+
skb = rx_buffer_info->skb;
- prefetch(skb->data);
rx_buffer_info->skb = NULL;
+ prefetch(skb->data);
+ if (ring_is_rsc_enabled(rx_ring))
+ pkt_is_rsc = ixgbe_get_rsc_state(rx_desc);
+
+ /* if this is a skb from previous receive DMA will be 0 */
if (rx_buffer_info->dma) {
- if ((adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) &&
- (!(staterr & IXGBE_RXD_STAT_EOP)) &&
- (!(skb->prev))) {
+ u16 hlen;
+ if (pkt_is_rsc &&
+ !(staterr & IXGBE_RXD_STAT_EOP) &&
+ !skb->prev) {
/*
* When HWRSC is enabled, delay unmapping
* of the first packet. It carries the
DMA_FROM_DEVICE);
}
rx_buffer_info->dma = 0;
- skb_put(skb, len);
+
+ if (ring_is_ps_enabled(rx_ring)) {
+ hlen = ixgbe_get_hlen(rx_desc);
+ upper_len = le16_to_cpu(rx_desc->wb.upper.length);
+ } else {
+ hlen = le16_to_cpu(rx_desc->wb.upper.length);
+ }
+
+ skb_put(skb, hlen);
+ } else {
+ /* assume packet split since header is unmapped */
+ upper_len = le16_to_cpu(rx_desc->wb.upper.length);
}
if (upper_len) {
rx_buffer_info->page_offset,
upper_len);
- if ((rx_ring->rx_buf_len > (PAGE_SIZE / 2)) ||
- (page_count(rx_buffer_info->page) != 1))
- rx_buffer_info->page = NULL;
- else
+ if ((page_count(rx_buffer_info->page) == 1) &&
+ (page_to_nid(rx_buffer_info->page) == current_node))
get_page(rx_buffer_info->page);
+ else
+ rx_buffer_info->page = NULL;
skb->len += upper_len;
skb->data_len += upper_len;
prefetch(next_rxd);
cleaned_count++;
- if (ring_is_rsc_enabled(rx_ring))
- rsc_count = ixgbe_get_rsc_count(rx_desc);
-
- if (rsc_count) {
+ if (pkt_is_rsc) {
u32 nextp = (staterr & IXGBE_RXDADV_NEXTP_MASK) >>
IXGBE_RXDADV_NEXTP_SHIFT;
next_buffer = &rx_ring->rx_buffer_info[nextp];
next_buffer = &rx_ring->rx_buffer_info[i];
}
- if (staterr & IXGBE_RXD_STAT_EOP) {
- if (skb->prev)
- skb = ixgbe_transform_rsc_queue(skb,
- &(rx_ring->rx_stats.rsc_count));
- if (ring_is_rsc_enabled(rx_ring)) {
- if (IXGBE_RSC_CB(skb)->delay_unmap) {
- dma_unmap_single(rx_ring->dev,
- IXGBE_RSC_CB(skb)->dma,
- rx_ring->rx_buf_len,
- DMA_FROM_DEVICE);
- IXGBE_RSC_CB(skb)->dma = 0;
- IXGBE_RSC_CB(skb)->delay_unmap = false;
- }
- if (ring_is_ps_enabled(rx_ring))
- rx_ring->rx_stats.rsc_count +=
- skb_shinfo(skb)->nr_frags;
- else
- rx_ring->rx_stats.rsc_count++;
- rx_ring->rx_stats.rsc_flush++;
- }
- u64_stats_update_begin(&rx_ring->syncp);
- rx_ring->stats.packets++;
- rx_ring->stats.bytes += skb->len;
- u64_stats_update_end(&rx_ring->syncp);
- } else {
+ if (!(staterr & IXGBE_RXD_STAT_EOP)) {
if (ring_is_ps_enabled(rx_ring)) {
rx_buffer_info->skb = next_buffer->skb;
rx_buffer_info->dma = next_buffer->dma;
goto next_desc;
}
+ if (skb->prev) {
+ skb = ixgbe_transform_rsc_queue(skb);
+ /* if we got here without RSC the packet is invalid */
+ if (!pkt_is_rsc) {
+ __pskb_trim(skb, 0);
+ rx_buffer_info->skb = skb;
+ goto next_desc;
+ }
+ }
+
+ if (ring_is_rsc_enabled(rx_ring)) {
+ if (IXGBE_RSC_CB(skb)->delay_unmap) {
+ dma_unmap_single(rx_ring->dev,
+ IXGBE_RSC_CB(skb)->dma,
+ rx_ring->rx_buf_len,
+ DMA_FROM_DEVICE);
+ IXGBE_RSC_CB(skb)->dma = 0;
+ IXGBE_RSC_CB(skb)->delay_unmap = false;
+ }
+ }
+ if (pkt_is_rsc) {
+ if (ring_is_ps_enabled(rx_ring))
+ rx_ring->rx_stats.rsc_count +=
+ skb_shinfo(skb)->nr_frags;
+ else
+ rx_ring->rx_stats.rsc_count +=
+ IXGBE_RSC_CB(skb)->skb_cnt;
+ rx_ring->rx_stats.rsc_flush++;
+ }
+
+ /* ERR_MASK will only have valid bits if EOP set */
if (staterr & IXGBE_RXDADV_ERR_FRAME_ERR_MASK) {
- dev_kfree_skb_irq(skb);
+ /* trim packet back to size 0 and recycle it */
+ __pskb_trim(skb, 0);
+ rx_buffer_info->skb = skb;
goto next_desc;
}
next_desc:
rx_desc->wb.upper.status_error = 0;
+ (*work_done)++;
+ if (*work_done >= work_to_do)
+ break;
+
/* return some buffers to hardware, one at a time is too slow */
if (cleaned_count >= IXGBE_RX_BUFFER_WRITE) {
ixgbe_alloc_rx_buffers(rx_ring, cleaned_count);
/* use prefetched values */
rx_desc = next_rxd;
- rx_buffer_info = &rx_ring->rx_buffer_info[i];
-
staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
}
rx_ring->total_packets += total_rx_packets;
rx_ring->total_bytes += total_rx_bytes;
-
- return cleaned;
+ u64_stats_update_begin(&rx_ring->syncp);
+ rx_ring->stats.packets += total_rx_packets;
+ rx_ring->stats.bytes += total_rx_bytes;
+ u64_stats_update_end(&rx_ring->syncp);
}
static int ixgbe_clean_rxonly(struct napi_struct *, int);
}
}
- if (adapter->hw.mac.type == ixgbe_mac_82598EB)
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
ixgbe_set_ivar(adapter, -1, IXGBE_IVAR_OTHER_CAUSES_INDEX,
v_idx);
- else if (adapter->hw.mac.type == ixgbe_mac_82599EB)
+ break;
+ case ixgbe_mac_82599EB:
ixgbe_set_ivar(adapter, -1, 1, v_idx);
+ break;
+
+ default:
+ break;
+ }
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITR(v_idx), 1950);
/* set up to autoclear timer, and the vectors */
int v_idx = q_vector->v_idx;
u32 itr_reg = EITR_INTS_PER_SEC_TO_REG(q_vector->eitr);
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
/* must write high and low 16 bits to reset counter */
itr_reg |= (itr_reg << 16);
- } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ break;
+ case ixgbe_mac_82599EB:
/*
* 82599 can support a value of zero, so allow it for
* max interrupt rate, but there is an errata where it can
* immediate assertion of the interrupt
*/
itr_reg |= IXGBE_EITR_CNT_WDIS;
+ break;
+ default:
+ break;
}
IXGBE_WRITE_REG(hw, IXGBE_EITR(v_idx), itr_reg);
}
{
struct ixgbe_hw *hw = &adapter->hw;
+ if (eicr & IXGBE_EICR_GPI_SDP2) {
+ /* Clear the interrupt */
+ IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2);
+ if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ schedule_work(&adapter->sfp_config_module_task);
+ }
+
if (eicr & IXGBE_EICR_GPI_SDP1) {
/* Clear the interrupt */
IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP1);
- schedule_work(&adapter->multispeed_fiber_task);
- } else if (eicr & IXGBE_EICR_GPI_SDP2) {
- /* Clear the interrupt */
- IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_GPI_SDP2);
- schedule_work(&adapter->sfp_config_module_task);
- } else {
- /* Interrupt isn't for us... */
- return;
+ if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ schedule_work(&adapter->multispeed_fiber_task);
}
}
if (eicr & IXGBE_EICR_MAILBOX)
ixgbe_msg_task(adapter);
- if (hw->mac.type == ixgbe_mac_82598EB)
- ixgbe_check_fan_failure(adapter, eicr);
-
- if (hw->mac.type == ixgbe_mac_82599EB) {
- ixgbe_check_sfp_event(adapter, eicr);
- adapter->interrupt_event = eicr;
- if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
- ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC)))
- schedule_work(&adapter->check_overtemp_task);
-
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
/* Handle Flow Director Full threshold interrupt */
if (eicr & IXGBE_EICR_FLOW_DIR) {
int i;
schedule_work(&adapter->fdir_reinit_task);
}
}
+ ixgbe_check_sfp_event(adapter, eicr);
+ if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
+ ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) {
+ adapter->interrupt_event = eicr;
+ schedule_work(&adapter->check_overtemp_task);
+ }
+ break;
+ default:
+ break;
}
+
+ ixgbe_check_fan_failure(adapter, eicr);
+
if (!test_bit(__IXGBE_DOWN, &adapter->state))
IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_OTHER);
u64 qmask)
{
u32 mask;
+ struct ixgbe_hw *hw = &adapter->hw;
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
- } else {
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS, mask);
+ break;
+ case ixgbe_mac_82599EB:
mask = (qmask & 0xFFFFFFFF);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(0), mask);
+ if (mask)
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(0), mask);
mask = (qmask >> 32);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS_EX(1), mask);
+ if (mask)
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask);
+ break;
+ default:
+ break;
}
/* skip the flush */
}
u64 qmask)
{
u32 mask;
+ struct ixgbe_hw *hw = &adapter->hw;
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
mask = (IXGBE_EIMS_RTX_QUEUE & qmask);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, mask);
- } else {
+ IXGBE_WRITE_REG(hw, IXGBE_EIMC, mask);
+ break;
+ case ixgbe_mac_82599EB:
mask = (qmask & 0xFFFFFFFF);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), mask);
+ if (mask)
+ IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(0), mask);
mask = (qmask >> 32);
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), mask);
+ if (mask)
+ IXGBE_WRITE_REG(hw, IXGBE_EIMC_EX(1), mask);
+ break;
+ default:
+ break;
}
/* skip the flush */
}
} else if (handler == &ixgbe_msix_clean_tx) {
sprintf(adapter->name[vector], "%s-%s-%d",
netdev->name, "tx", ti++);
- } else
+ } else {
sprintf(adapter->name[vector], "%s-%s-%d",
- netdev->name, "TxRx", vector);
+ netdev->name, "TxRx", ri++);
+ ti++;
+ }
err = request_irq(adapter->msix_entries[vector].vector,
handler, 0, adapter->name[vector],
mask |= IXGBE_EIMS_GPI_SDP0;
if (adapter->flags & IXGBE_FLAG_FAN_FAIL_CAPABLE)
mask |= IXGBE_EIMS_GPI_SDP1;
- if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82599EB:
mask |= IXGBE_EIMS_ECC;
mask |= IXGBE_EIMS_GPI_SDP1;
mask |= IXGBE_EIMS_GPI_SDP2;
if (adapter->num_vfs)
mask |= IXGBE_EIMS_MAILBOX;
+ break;
+ default:
+ break;
}
if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
if (eicr & IXGBE_EICR_LSC)
ixgbe_check_lsc(adapter);
- if (hw->mac.type == ixgbe_mac_82599EB)
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
ixgbe_check_sfp_event(adapter, eicr);
+ if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
+ ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC))) {
+ adapter->interrupt_event = eicr;
+ schedule_work(&adapter->check_overtemp_task);
+ }
+ break;
+ default:
+ break;
+ }
ixgbe_check_fan_failure(adapter, eicr);
- if ((adapter->flags2 & IXGBE_FLAG2_TEMP_SENSOR_CAPABLE) &&
- ((eicr & IXGBE_EICR_GPI_SDP0) || (eicr & IXGBE_EICR_LSC)))
- schedule_work(&adapter->check_overtemp_task);
if (napi_schedule_prep(&(q_vector->napi))) {
adapter->tx_ring[0]->total_packets = 0;
**/
static inline void ixgbe_irq_disable(struct ixgbe_adapter *adapter)
{
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, ~0);
- } else {
+ break;
+ case ixgbe_mac_82599EB:
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFF0000);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(0), ~0);
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC_EX(1), ~0);
if (adapter->num_vfs > 32)
IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, 0);
+ break;
+ default:
+ break;
}
IXGBE_WRITE_FLUSH(&adapter->hw);
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
}
/* reinitialize flowdirector state */
- set_bit(__IXGBE_TX_FDIR_INIT_DONE, &ring->state);
+ if ((adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) &&
+ adapter->atr_sample_rate) {
+ ring->atr_sample_rate = adapter->atr_sample_rate;
+ ring->atr_count = 0;
+ set_bit(__IXGBE_TX_FDIR_INIT_DONE, &ring->state);
+ } else {
+ ring->atr_sample_rate = 0;
+ }
/* enable queue */
txdctl |= IXGBE_TXDCTL_ENABLE;
struct ixgbe_ring *rx_ring)
{
u32 srrctl;
- int index;
- struct ixgbe_ring_feature *feature = adapter->ring_feature;
+ int index = rx_ring->reg_idx;
- index = rx_ring->reg_idx;
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
- unsigned long mask;
- mask = (unsigned long) feature[RING_F_RSS].mask;
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB: {
+ struct ixgbe_ring_feature *feature = adapter->ring_feature;
+ const int mask = feature[RING_F_RSS].mask;
index = index & mask;
}
+ break;
+ case ixgbe_mac_82599EB:
+ default:
+ break;
+ }
+
srrctl = IXGBE_READ_REG(&adapter->hw, IXGBE_SRRCTL(index));
srrctl &= ~IXGBE_SRRCTL_BSIZEHDR_MASK;
}
#endif /* IXGBE_FCOE */
}
-
}
static void ixgbe_setup_rdrxctl(struct ixgbe_adapter *adapter)
clear_bit(__IXGBE_DOWN, &adapter->state);
ixgbe_napi_enable_all(adapter);
+ if (ixgbe_is_sfp(hw)) {
+ ixgbe_sfp_link_config(adapter);
+ } else {
+ err = ixgbe_non_sfp_link_config(hw);
+ if (err)
+ e_err(probe, "link_config FAILED %d\n", err);
+ }
+
/* clear any pending interrupts, may auto mask */
IXGBE_READ_REG(hw, IXGBE_EICR);
ixgbe_irq_enable(adapter, true, true);
* If we're not hot-pluggable SFP+, we just need to configure link
* and bring it up.
*/
- if (hw->phy.type == ixgbe_phy_unknown) {
- err = hw->phy.ops.identify(hw);
- if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
- /*
- * Take the device down and schedule the sfp tasklet
- * which will unregister_netdev and log it.
- */
- ixgbe_down(adapter);
- schedule_work(&adapter->sfp_config_module_task);
- return err;
- }
- }
-
- if (ixgbe_is_sfp(hw)) {
- ixgbe_sfp_link_config(adapter);
- } else {
- err = ixgbe_non_sfp_link_config(hw);
- if (err)
- e_err(probe, "link_config FAILED %d\n", err);
- }
+ if (hw->phy.type == ixgbe_phy_unknown)
+ schedule_work(&adapter->sfp_config_module_task);
/* enable transmits */
netif_tx_start_all_queues(adapter->netdev);
(txdctl & ~IXGBE_TXDCTL_ENABLE));
}
/* Disable the Tx DMA engine on 82599 */
- if (hw->mac.type == ixgbe_mac_82599EB)
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL,
(IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
~IXGBE_DMATXCTL_TE));
+ break;
+ default:
+ break;
+ }
/* power down the optics */
if (hw->phy.multispeed_fiber)
static inline bool ixgbe_cache_ring_rss(struct ixgbe_adapter *adapter)
{
int i;
- bool ret = false;
- if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
- for (i = 0; i < adapter->num_rx_queues; i++)
- adapter->rx_ring[i]->reg_idx = i;
- for (i = 0; i < adapter->num_tx_queues; i++)
- adapter->tx_ring[i]->reg_idx = i;
- ret = true;
- } else {
- ret = false;
- }
+ if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
+ return false;
- return ret;
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ adapter->rx_ring[i]->reg_idx = i;
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ adapter->tx_ring[i]->reg_idx = i;
+
+ return true;
}
#ifdef CONFIG_IXGBE_DCB
bool ret = false;
int dcb_i = adapter->ring_feature[RING_F_DCB].indices;
- if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
- if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
- /* the number of queues is assumed to be symmetric */
- for (i = 0; i < dcb_i; i++) {
- adapter->rx_ring[i]->reg_idx = i << 3;
- adapter->tx_ring[i]->reg_idx = i << 2;
- }
- ret = true;
- } else if (adapter->hw.mac.type == ixgbe_mac_82599EB) {
- if (dcb_i == 8) {
- /*
- * Tx TC0 starts at: descriptor queue 0
- * Tx TC1 starts at: descriptor queue 32
- * Tx TC2 starts at: descriptor queue 64
- * Tx TC3 starts at: descriptor queue 80
- * Tx TC4 starts at: descriptor queue 96
- * Tx TC5 starts at: descriptor queue 104
- * Tx TC6 starts at: descriptor queue 112
- * Tx TC7 starts at: descriptor queue 120
- *
- * Rx TC0-TC7 are offset by 16 queues each
- */
- for (i = 0; i < 3; i++) {
- adapter->tx_ring[i]->reg_idx = i << 5;
- adapter->rx_ring[i]->reg_idx = i << 4;
- }
- for ( ; i < 5; i++) {
- adapter->tx_ring[i]->reg_idx =
- ((i + 2) << 4);
- adapter->rx_ring[i]->reg_idx = i << 4;
- }
- for ( ; i < dcb_i; i++) {
- adapter->tx_ring[i]->reg_idx =
- ((i + 8) << 3);
- adapter->rx_ring[i]->reg_idx = i << 4;
- }
+ if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
+ return false;
- ret = true;
- } else if (dcb_i == 4) {
- /*
- * Tx TC0 starts at: descriptor queue 0
- * Tx TC1 starts at: descriptor queue 64
- * Tx TC2 starts at: descriptor queue 96
- * Tx TC3 starts at: descriptor queue 112
- *
- * Rx TC0-TC3 are offset by 32 queues each
- */
- adapter->tx_ring[0]->reg_idx = 0;
- adapter->tx_ring[1]->reg_idx = 64;
- adapter->tx_ring[2]->reg_idx = 96;
- adapter->tx_ring[3]->reg_idx = 112;
- for (i = 0 ; i < dcb_i; i++)
- adapter->rx_ring[i]->reg_idx = i << 5;
-
- ret = true;
- } else {
- ret = false;
+ /* the number of queues is assumed to be symmetric */
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
+ for (i = 0; i < dcb_i; i++) {
+ adapter->rx_ring[i]->reg_idx = i << 3;
+ adapter->tx_ring[i]->reg_idx = i << 2;
+ }
+ ret = true;
+ break;
+ case ixgbe_mac_82599EB:
+ if (dcb_i == 8) {
+ /*
+ * Tx TC0 starts at: descriptor queue 0
+ * Tx TC1 starts at: descriptor queue 32
+ * Tx TC2 starts at: descriptor queue 64
+ * Tx TC3 starts at: descriptor queue 80
+ * Tx TC4 starts at: descriptor queue 96
+ * Tx TC5 starts at: descriptor queue 104
+ * Tx TC6 starts at: descriptor queue 112
+ * Tx TC7 starts at: descriptor queue 120
+ *
+ * Rx TC0-TC7 are offset by 16 queues each
+ */
+ for (i = 0; i < 3; i++) {
+ adapter->tx_ring[i]->reg_idx = i << 5;
+ adapter->rx_ring[i]->reg_idx = i << 4;
}
- } else {
- ret = false;
+ for ( ; i < 5; i++) {
+ adapter->tx_ring[i]->reg_idx = ((i + 2) << 4);
+ adapter->rx_ring[i]->reg_idx = i << 4;
+ }
+ for ( ; i < dcb_i; i++) {
+ adapter->tx_ring[i]->reg_idx = ((i + 8) << 3);
+ adapter->rx_ring[i]->reg_idx = i << 4;
+ }
+ ret = true;
+ } else if (dcb_i == 4) {
+ /*
+ * Tx TC0 starts at: descriptor queue 0
+ * Tx TC1 starts at: descriptor queue 64
+ * Tx TC2 starts at: descriptor queue 96
+ * Tx TC3 starts at: descriptor queue 112
+ *
+ * Rx TC0-TC3 are offset by 32 queues each
+ */
+ adapter->tx_ring[0]->reg_idx = 0;
+ adapter->tx_ring[1]->reg_idx = 64;
+ adapter->tx_ring[2]->reg_idx = 96;
+ adapter->tx_ring[3]->reg_idx = 112;
+ for (i = 0 ; i < dcb_i; i++)
+ adapter->rx_ring[i]->reg_idx = i << 5;
+ ret = true;
}
- } else {
- ret = false;
+ break;
+ default:
+ break;
}
-
return ret;
}
#endif
adapter->ring_feature[RING_F_RSS].indices = rss;
adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
adapter->ring_feature[RING_F_DCB].indices = IXGBE_MAX_DCB_INDICES;
- if (hw->mac.type == ixgbe_mac_82598EB) {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
if (hw->device_id == IXGBE_DEV_ID_82598AT)
adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE;
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82598;
- } else if (hw->mac.type == ixgbe_mac_82599EB) {
+ break;
+ case ixgbe_mac_82599EB:
adapter->max_msix_q_vectors = MAX_MSIX_Q_VECTORS_82599;
adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
adapter->fcoe.up = IXGBE_FCOE_DEFTC;
#endif
#endif /* IXGBE_FCOE */
+ break;
+ default:
+ break;
}
#ifdef CONFIG_IXGBE_DCB
IXGBE_WRITE_REG(hw, IXGBE_WUFC, 0);
}
- if (wufc && hw->mac.type == ixgbe_mac_82599EB)
- pci_wake_from_d3(pdev, true);
- else
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
pci_wake_from_d3(pdev, false);
+ break;
+ case ixgbe_mac_82599EB:
+ pci_wake_from_d3(pdev, !!wufc);
+ break;
+ default:
+ break;
+ }
*enable_wake = !!wufc;
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) {
- 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 {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
hwstats->pxonrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
hwstats->pxoffrxc[i] +=
IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
+ break;
+ case ixgbe_mac_82599EB:
+ hwstats->pxonrxc[i] +=
+ IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
+ hwstats->pxoffrxc[i] +=
+ IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
+ break;
+ default:
+ break;
}
hwstats->pxontxc[i] += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
hwstats->pxofftxc[i] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
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;
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ 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);
+ break;
+ case ixgbe_mac_82599EB:
hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
- tmp = IXGBE_READ_REG(hw, IXGBE_GORCH) & 0xF;
- /* 4 high bits of GORC */
- hwstats->gorc += (tmp << 32);
+ IXGBE_READ_REG(hw, IXGBE_GORCH); /* to clear */
hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
- tmp = IXGBE_READ_REG(hw, IXGBE_GOTCH) & 0xF;
- /* 4 high bits of GOTC */
- hwstats->gotc += (tmp << 32);
+ IXGBE_READ_REG(hw, IXGBE_GOTCH); /* to clear */
hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORL);
- IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
+ IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
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->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
#endif /* IXGBE_FCOE */
- } else {
- 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);
+ break;
+ default:
+ break;
}
bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
hwstats->bprc += bprc;
if (!netif_carrier_ok(netdev)) {
bool flow_rx, flow_tx;
- if (hw->mac.type == ixgbe_mac_82599EB) {
- u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
- u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
- flow_rx = !!(mflcn & IXGBE_MFLCN_RFCE);
- flow_tx = !!(fccfg & IXGBE_FCCFG_TFCE_802_3X);
- } else {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB: {
u32 frctl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
u32 rmcs = IXGBE_READ_REG(hw, IXGBE_RMCS);
flow_rx = !!(frctl & IXGBE_FCTRL_RFCE);
flow_tx = !!(rmcs & IXGBE_RMCS_TFCE_802_3X);
}
+ break;
+ case ixgbe_mac_82599EB: {
+ u32 mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
+ u32 fccfg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
+ flow_rx = !!(mflcn & IXGBE_MFLCN_RFCE);
+ flow_tx = !!(fccfg & IXGBE_FCCFG_TFCE_802_3X);
+ }
+ break;
+ default:
+ flow_tx = false;
+ flow_rx = false;
+ break;
+ }
e_info(drv, "NIC Link is Up %s, Flow Control: %s\n",
(link_speed == IXGBE_LINK_SPEED_10GB_FULL ?
}
static void ixgbe_atr(struct ixgbe_adapter *adapter, struct sk_buff *skb,
- int queue, u32 tx_flags, __be16 protocol)
+ u8 queue, u32 tx_flags, __be16 protocol)
{
struct ixgbe_atr_input atr_input;
- struct tcphdr *th;
struct iphdr *iph = ip_hdr(skb);
struct ethhdr *eth = (struct ethhdr *)skb->data;
- u16 vlan_id, src_port, dst_port, flex_bytes;
- u32 src_ipv4_addr, dst_ipv4_addr;
- u8 l4type = 0;
+ struct tcphdr *th;
+ u16 vlan_id;
- /* Right now, we support IPv4 only */
- if (protocol != htons(ETH_P_IP))
+ /* Right now, we support IPv4 w/ TCP only */
+ if (protocol != htons(ETH_P_IP) ||
+ iph->protocol != IPPROTO_TCP)
return;
- /* check if we're UDP or TCP */
- if (iph->protocol == IPPROTO_TCP) {
- th = tcp_hdr(skb);
- src_port = th->source;
- dst_port = th->dest;
- l4type |= IXGBE_ATR_L4TYPE_TCP;
- /* l4type IPv4 type is 0, no need to assign */
- } else {
- /* Unsupported L4 header, just bail here */
- return;
- }
memset(&atr_input, 0, sizeof(struct ixgbe_atr_input));
vlan_id = (tx_flags & IXGBE_TX_FLAGS_VLAN_MASK) >>
IXGBE_TX_FLAGS_VLAN_SHIFT;
- src_ipv4_addr = iph->saddr;
- dst_ipv4_addr = iph->daddr;
- flex_bytes = eth->h_proto;
+
+ th = tcp_hdr(skb);
ixgbe_atr_set_vlan_id_82599(&atr_input, vlan_id);
- ixgbe_atr_set_src_port_82599(&atr_input, dst_port);
- ixgbe_atr_set_dst_port_82599(&atr_input, src_port);
- ixgbe_atr_set_flex_byte_82599(&atr_input, flex_bytes);
- ixgbe_atr_set_l4type_82599(&atr_input, l4type);
+ ixgbe_atr_set_src_port_82599(&atr_input, th->dest);
+ ixgbe_atr_set_dst_port_82599(&atr_input, th->source);
+ ixgbe_atr_set_flex_byte_82599(&atr_input, eth->h_proto);
+ ixgbe_atr_set_l4type_82599(&atr_input, IXGBE_ATR_L4TYPE_TCP);
/* src and dst are inverted, think how the receiver sees them */
- ixgbe_atr_set_src_ipv4_82599(&atr_input, dst_ipv4_addr);
- ixgbe_atr_set_dst_ipv4_82599(&atr_input, src_ipv4_addr);
+ ixgbe_atr_set_src_ipv4_82599(&atr_input, iph->daddr);
+ ixgbe_atr_set_dst_ipv4_82599(&atr_input, iph->saddr);
/* This assumes the Rx queue and Tx queue are bound to the same CPU */
ixgbe_fdir_add_signature_filter_82599(&adapter->hw, &atr_input, queue);
goto err_sw_init;
switch (pdev->device) {
+ case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
+ /* All except this subdevice support WOL */
+ if (pdev->subsystem_device ==
+ IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
+ adapter->wol = 0;
+ break;
+ }
case IXGBE_DEV_ID_82599_KX4:
adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX |
IXGBE_WUFC_MC | IXGBE_WUFC_BC);
git://bbs.cooldavid.org / net-next-2.6.git / blobdiff