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-rw-r--r--drivers/net/benet/be.h13
-rw-r--r--drivers/net/benet/be_ethtool.c50
-rw-r--r--drivers/net/benet/be_main.c227
3 files changed, 171 insertions, 119 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index a7db870d164..a36f5a6a846 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -87,6 +87,7 @@ static inline char *nic_name(struct pci_dev *pdev)
#define MAX_RSS_QS 4 /* BE limit is 4 queues/port */
#define MAX_RX_QS (MAX_RSS_QS + 1) /* RSS qs + 1 def Rx */
+#define MAX_TX_QS 8
#define BE_MAX_MSIX_VECTORS (MAX_RX_QS + 1)/* RX + TX */
#define BE_NAPI_WEIGHT 64
#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
@@ -170,7 +171,6 @@ struct be_tx_stats {
u32 be_tx_reqs; /* number of TX requests initiated */
u32 be_tx_stops; /* number of times TX Q was stopped */
u32 be_tx_wrbs; /* number of tx WRBs used */
- u32 be_tx_events; /* number of tx completion events */
u32 be_tx_compl; /* number of tx completion entries processed */
ulong be_tx_jiffies;
u64 be_tx_bytes;
@@ -184,6 +184,7 @@ struct be_tx_obj {
struct be_queue_info cq;
/* Remember the skbs that were transmitted */
struct sk_buff *sent_skb_list[TX_Q_LEN];
+ struct be_tx_stats stats;
};
/* Struct to remember the pages posted for rx frags */
@@ -319,8 +320,8 @@ struct be_adapter {
/* TX Rings */
struct be_eq_obj tx_eq;
- struct be_tx_obj tx_obj;
- struct be_tx_stats tx_stats;
+ struct be_tx_obj tx_obj[MAX_TX_QS];
+ u8 num_tx_qs;
u32 cache_line_break[8];
@@ -391,7 +392,7 @@ struct be_adapter {
extern const struct ethtool_ops be_ethtool_ops;
#define msix_enabled(adapter) (adapter->num_msix_vec > 0)
-#define tx_stats(adapter) (&adapter->tx_stats)
+#define tx_stats(txo) (&txo->stats)
#define rx_stats(rxo) (&rxo->stats)
#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops)
@@ -405,6 +406,10 @@ extern const struct ethtool_ops be_ethtool_ops;
for (i = 0, rxo = &adapter->rx_obj[i+1]; i < (adapter->num_rx_qs - 1);\
i++, rxo++)
+#define for_all_tx_queues(adapter, txo, i) \
+ for (i = 0, txo = &adapter->tx_obj[i]; i < adapter->num_tx_qs; \
+ i++, txo++)
+
#define PAGE_SHIFT_4K 12
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index facfe3ca5c4..84e03a74786 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -52,12 +52,7 @@ static const struct be_ethtool_stat et_stats[] = {
{NETSTAT_INFO(tx_errors)},
{NETSTAT_INFO(rx_dropped)},
{NETSTAT_INFO(tx_dropped)},
- {DRVSTAT_TX_INFO(be_tx_rate)},
- {DRVSTAT_TX_INFO(be_tx_reqs)},
- {DRVSTAT_TX_INFO(be_tx_wrbs)},
- {DRVSTAT_TX_INFO(be_tx_stops)},
- {DRVSTAT_TX_INFO(be_tx_events)},
- {DRVSTAT_TX_INFO(be_tx_compl)},
+ {DRVSTAT_INFO(be_tx_events)},
{DRVSTAT_INFO(rx_crc_errors)},
{DRVSTAT_INFO(rx_alignment_symbol_errors)},
{DRVSTAT_INFO(rx_pause_frames)},
@@ -111,6 +106,16 @@ static const struct be_ethtool_stat et_rx_stats[] = {
};
#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
+/* Stats related to multi TX queues */
+static const struct be_ethtool_stat et_tx_stats[] = {
+ {DRVSTAT_TX_INFO(be_tx_rate)},
+ {DRVSTAT_TX_INFO(be_tx_reqs)},
+ {DRVSTAT_TX_INFO(be_tx_wrbs)},
+ {DRVSTAT_TX_INFO(be_tx_stops)},
+ {DRVSTAT_TX_INFO(be_tx_compl)}
+};
+#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
+
static const char et_self_tests[][ETH_GSTRING_LEN] = {
"MAC Loopback test",
"PHY Loopback test",
@@ -253,17 +258,15 @@ be_get_ethtool_stats(struct net_device *netdev,
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_rx_obj *rxo;
+ struct be_tx_obj *txo;
void *p = NULL;
- int i, j;
+ int i, j, base;
for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
switch (et_stats[i].type) {
case NETSTAT:
p = &netdev->stats;
break;
- case DRVSTAT_TX:
- p = &adapter->tx_stats;
- break;
case DRVSTAT:
p = &adapter->drv_stats;
break;
@@ -274,6 +277,7 @@ be_get_ethtool_stats(struct net_device *netdev,
*(u64 *)p: *(u32 *)p;
}
+ base = ETHTOOL_STATS_NUM;
for_all_rx_queues(adapter, rxo, j) {
for (i = 0; i < ETHTOOL_RXSTATS_NUM; i++) {
switch (et_rx_stats[i].type) {
@@ -285,11 +289,21 @@ be_get_ethtool_stats(struct net_device *netdev,
rxo->q.id;
break;
}
- data[ETHTOOL_STATS_NUM + j * ETHTOOL_RXSTATS_NUM + i] =
+ data[base + j * ETHTOOL_RXSTATS_NUM + i] =
(et_rx_stats[i].size == sizeof(u64)) ?
*(u64 *)p: *(u32 *)p;
}
}
+
+ base = ETHTOOL_STATS_NUM + adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM;
+ for_all_tx_queues(adapter, txo, j) {
+ for (i = 0; i < ETHTOOL_TXSTATS_NUM; i++) {
+ p = (u8 *)&txo->stats + et_tx_stats[i].offset;
+ data[base + j * ETHTOOL_TXSTATS_NUM + i] =
+ (et_tx_stats[i].size == sizeof(u64)) ?
+ *(u64 *)p: *(u32 *)p;
+ }
+ }
}
static void
@@ -312,6 +326,13 @@ be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
data += ETH_GSTRING_LEN;
}
}
+ for (i = 0; i < adapter->num_tx_qs; i++) {
+ for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
+ sprintf(data, "txq%d: %s", i,
+ et_tx_stats[j].desc);
+ data += ETH_GSTRING_LEN;
+ }
+ }
break;
case ETH_SS_TEST:
for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
@@ -331,7 +352,8 @@ static int be_get_sset_count(struct net_device *netdev, int stringset)
return ETHTOOL_TESTS_NUM;
case ETH_SS_STATS:
return ETHTOOL_STATS_NUM +
- adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM;
+ adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
+ adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
default:
return -EINVAL;
}
@@ -457,10 +479,10 @@ be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
struct be_adapter *adapter = netdev_priv(netdev);
ring->rx_max_pending = adapter->rx_obj[0].q.len;
- ring->tx_max_pending = adapter->tx_obj.q.len;
+ ring->tx_max_pending = adapter->tx_obj[0].q.len;
ring->rx_pending = atomic_read(&adapter->rx_obj[0].q.used);
- ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
+ ring->tx_pending = atomic_read(&adapter->tx_obj[0].q.used);
}
static void
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 6ddaa34121e..c4f564cd745 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -427,6 +427,7 @@ void netdev_stats_update(struct be_adapter *adapter)
struct be_drv_stats *drvs = &adapter->drv_stats;
struct net_device_stats *dev_stats = &adapter->netdev->stats;
struct be_rx_obj *rxo;
+ struct be_tx_obj *txo;
int i;
memset(dev_stats, 0, sizeof(*dev_stats));
@@ -450,8 +451,10 @@ void netdev_stats_update(struct be_adapter *adapter)
}
}
- dev_stats->tx_packets = tx_stats(adapter)->be_tx_pkts;
- dev_stats->tx_bytes = tx_stats(adapter)->be_tx_bytes;
+ for_all_tx_queues(adapter, txo, i) {
+ dev_stats->tx_packets += tx_stats(txo)->be_tx_pkts;
+ dev_stats->tx_bytes += tx_stats(txo)->be_tx_bytes;
+ }
/* bad pkts received */
dev_stats->rx_errors = drvs->rx_crc_errors +
@@ -554,9 +557,9 @@ static u32 be_calc_rate(u64 bytes, unsigned long ticks)
return rate;
}
-static void be_tx_rate_update(struct be_adapter *adapter)
+static void be_tx_rate_update(struct be_tx_obj *txo)
{
- struct be_tx_stats *stats = tx_stats(adapter);
+ struct be_tx_stats *stats = tx_stats(txo);
ulong now = jiffies;
/* Wrapped around? */
@@ -575,10 +578,11 @@ static void be_tx_rate_update(struct be_adapter *adapter)
}
}
-static void be_tx_stats_update(struct be_adapter *adapter,
+static void be_tx_stats_update(struct be_tx_obj *txo,
u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped)
{
- struct be_tx_stats *stats = tx_stats(adapter);
+ struct be_tx_stats *stats = tx_stats(txo);
+
stats->be_tx_reqs++;
stats->be_tx_wrbs += wrb_cnt;
stats->be_tx_bytes += copied;
@@ -682,14 +686,13 @@ static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb,
}
}
-static int make_tx_wrbs(struct be_adapter *adapter,
+static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq,
struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb)
{
dma_addr_t busaddr;
int i, copied = 0;
struct device *dev = &adapter->pdev->dev;
struct sk_buff *first_skb = skb;
- struct be_queue_info *txq = &adapter->tx_obj.q;
struct be_eth_wrb *wrb;
struct be_eth_hdr_wrb *hdr;
bool map_single = false;
@@ -753,19 +756,19 @@ static netdev_tx_t be_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
- struct be_tx_obj *tx_obj = &adapter->tx_obj;
- struct be_queue_info *txq = &tx_obj->q;
+ struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)];
+ struct be_queue_info *txq = &txo->q;
u32 wrb_cnt = 0, copied = 0;
u32 start = txq->head;
bool dummy_wrb, stopped = false;
wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb);
- copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb);
+ copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb);
if (copied) {
/* record the sent skb in the sent_skb table */
- BUG_ON(tx_obj->sent_skb_list[start]);
- tx_obj->sent_skb_list[start] = skb;
+ BUG_ON(txo->sent_skb_list[start]);
+ txo->sent_skb_list[start] = skb;
/* Ensure txq has space for the next skb; Else stop the queue
* *BEFORE* ringing the tx doorbell, so that we serialze the
@@ -774,13 +777,13 @@ static netdev_tx_t be_xmit(struct sk_buff *skb,
atomic_add(wrb_cnt, &txq->used);
if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >=
txq->len) {
- netif_stop_queue(netdev);
+ netif_stop_subqueue(netdev, skb_get_queue_mapping(skb));
stopped = true;
}
be_txq_notify(adapter, txq->id, wrb_cnt);
- be_tx_stats_update(adapter, wrb_cnt, copied,
+ be_tx_stats_update(txo, wrb_cnt, copied,
skb_shinfo(skb)->gso_segs, stopped);
} else {
txq->head = start;
@@ -1459,11 +1462,12 @@ static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq)
return txcp;
}
-static u16 be_tx_compl_process(struct be_adapter *adapter, u16 last_index)
+static u16 be_tx_compl_process(struct be_adapter *adapter,
+ struct be_tx_obj *txo, u16 last_index)
{
- struct be_queue_info *txq = &adapter->tx_obj.q;
+ struct be_queue_info *txq = &txo->q;
struct be_eth_wrb *wrb;
- struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list;
+ struct sk_buff **sent_skbs = txo->sent_skb_list;
struct sk_buff *sent_skb;
u16 cur_index, num_wrbs = 1; /* account for hdr wrb */
bool unmap_skb_hdr = true;
@@ -1504,7 +1508,8 @@ static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj)
}
static int event_handle(struct be_adapter *adapter,
- struct be_eq_obj *eq_obj)
+ struct be_eq_obj *eq_obj,
+ bool rearm)
{
struct be_eq_entry *eqe;
u16 num = 0;
@@ -1517,7 +1522,10 @@ static int event_handle(struct be_adapter *adapter,
/* Deal with any spurious interrupts that come
* without events
*/
- be_eq_notify(adapter, eq_obj->q.id, true, true, num);
+ if (!num)
+ rearm = true;
+
+ be_eq_notify(adapter, eq_obj->q.id, rearm, true, num);
if (num)
napi_schedule(&eq_obj->napi);
@@ -1565,13 +1573,14 @@ static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo)
BUG_ON(atomic_read(&rxq->used));
}
-static void be_tx_compl_clean(struct be_adapter *adapter)
+static void be_tx_compl_clean(struct be_adapter *adapter,
+ struct be_tx_obj *txo)
{
- struct be_queue_info *tx_cq = &adapter->tx_obj.cq;
- struct be_queue_info *txq = &adapter->tx_obj.q;
+ struct be_queue_info *tx_cq = &txo->cq;
+ struct be_queue_info *txq = &txo->q;
struct be_eth_tx_compl *txcp;
u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0;
- struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list;
+ struct sk_buff **sent_skbs = txo->sent_skb_list;
struct sk_buff *sent_skb;
bool dummy_wrb;
@@ -1580,7 +1589,7 @@ static void be_tx_compl_clean(struct be_adapter *adapter)
while ((txcp = be_tx_compl_get(tx_cq))) {
end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl,
wrb_index, txcp);
- num_wrbs += be_tx_compl_process(adapter, end_idx);
+ num_wrbs += be_tx_compl_process(adapter, txo, end_idx);
cmpl++;
}
if (cmpl) {
@@ -1607,7 +1616,7 @@ static void be_tx_compl_clean(struct be_adapter *adapter)
index_adv(&end_idx,
wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1,
txq->len);
- num_wrbs = be_tx_compl_process(adapter, end_idx);
+ num_wrbs = be_tx_compl_process(adapter, txo, end_idx);
atomic_sub(num_wrbs, &txq->used);
}
}
@@ -1666,16 +1675,20 @@ err:
static void be_tx_queues_destroy(struct be_adapter *adapter)
{
struct be_queue_info *q;
+ struct be_tx_obj *txo;
+ u8 i;
- q = &adapter->tx_obj.q;
- if (q->created)
- be_cmd_q_destroy(adapter, q, QTYPE_TXQ);
- be_queue_free(adapter, q);
+ for_all_tx_queues(adapter, txo, i) {
+ q = &txo->q;
+ if (q->created)
+ be_cmd_q_destroy(adapter, q, QTYPE_TXQ);
+ be_queue_free(adapter, q);
- q = &adapter->tx_obj.cq;
- if (q->created)
- be_cmd_q_destroy(adapter, q, QTYPE_CQ);
- be_queue_free(adapter, q);
+ q = &txo->cq;
+ if (q->created)
+ be_cmd_q_destroy(adapter, q, QTYPE_CQ);
+ be_queue_free(adapter, q);
+ }
/* Clear any residual events */
be_eq_clean(adapter, &adapter->tx_eq);
@@ -1686,56 +1699,48 @@ static void be_tx_queues_destroy(struct be_adapter *adapter)
be_queue_free(adapter, q);
}
+/* One TX event queue is shared by all TX compl qs */
static int be_tx_queues_create(struct be_adapter *adapter)
{
struct be_queue_info *eq, *q, *cq;
+ struct be_tx_obj *txo;
+ u8 i;
adapter->tx_eq.max_eqd = 0;
adapter->tx_eq.min_eqd = 0;
adapter->tx_eq.cur_eqd = 96;
adapter->tx_eq.enable_aic = false;
- /* Alloc Tx Event queue */
+
eq = &adapter->tx_eq.q;
- if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry)))
+ if (be_queue_alloc(adapter, eq, EVNT_Q_LEN,
+ sizeof(struct be_eq_entry)))
return -1;
- /* Ask BE to create Tx Event queue */
if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd))
- goto tx_eq_free;
-
+ goto err;
adapter->tx_eq.eq_idx = adapter->eq_next_idx++;
-
- /* Alloc TX eth compl queue */
- cq = &adapter->tx_obj.cq;
- if (be_queue_alloc(adapter, cq, TX_CQ_LEN,
+ for_all_tx_queues(adapter, txo, i) {
+ cq = &txo->cq;
+ if (be_queue_alloc(adapter, cq, TX_CQ_LEN,
sizeof(struct be_eth_tx_compl)))
- goto tx_eq_destroy;
+ goto err;
- /* Ask BE to create Tx eth compl queue */
- if (be_cmd_cq_create(adapter, cq, eq, false, false, 3))
- goto tx_cq_free;
+ if (be_cmd_cq_create(adapter, cq, eq, false, false, 3))
+ goto err;
- /* Alloc TX eth queue */
- q = &adapter->tx_obj.q;
- if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb)))
- goto tx_cq_destroy;
+ q = &txo->q;
+ if (be_queue_alloc(adapter, q, TX_Q_LEN,
+ sizeof(struct be_eth_wrb)))
+ goto err;
- /* Ask BE to create Tx eth queue */
- if (be_cmd_txq_create(adapter, q, cq))
- goto tx_q_free;
+ if (be_cmd_txq_create(adapter, q, cq))
+ goto err;
+ }
return 0;
-tx_q_free:
- be_queue_free(adapter, q);
-tx_cq_destroy:
- be_cmd_q_destroy(adapter, cq, QTYPE_CQ);
-tx_cq_free:
- be_queue_free(adapter, cq);
-tx_eq_destroy:
- be_cmd_q_destroy(adapter, eq, QTYPE_EQ);
-tx_eq_free:
- be_queue_free(adapter, eq);
+err:
+ be_tx_queues_destroy(adapter);
return -1;
}
@@ -1876,10 +1881,10 @@ static irqreturn_t be_intx(int irq, void *dev)
if (lancer_chip(adapter)) {
if (event_peek(&adapter->tx_eq))
- tx = event_handle(adapter, &adapter->tx_eq);
+ tx = event_handle(adapter, &adapter->tx_eq, false);
for_all_rx_queues(adapter, rxo, i) {
if (event_peek(&rxo->rx_eq))
- rx |= event_handle(adapter, &rxo->rx_eq);
+ rx |= event_handle(adapter, &rxo->rx_eq, true);
}
if (!(tx || rx))
@@ -1892,11 +1897,11 @@ static irqreturn_t be_intx(int irq, void *dev)
return IRQ_NONE;
if ((1 << adapter->tx_eq.eq_idx & isr))
- event_handle(adapter, &adapter->tx_eq);
+ event_handle(adapter, &adapter->tx_eq, false);
for_all_rx_queues(adapter, rxo, i) {
if ((1 << rxo->rx_eq.eq_idx & isr))
- event_handle(adapter, &rxo->rx_eq);
+ event_handle(adapter, &rxo->rx_eq, true);
}
}
@@ -1908,7 +1913,7 @@ static irqreturn_t be_msix_rx(int irq, void *dev)
struct be_rx_obj *rxo = dev;
struct be_adapter *adapter = rxo->adapter;
- event_handle(adapter, &rxo->rx_eq);
+ event_handle(adapter, &rxo->rx_eq, true);
return IRQ_HANDLED;
}
@@ -1917,7 +1922,7 @@ static irqreturn_t be_msix_tx_mcc(int irq, void *dev)
{
struct be_adapter *adapter = dev;
- event_handle(adapter, &adapter->tx_eq);
+ event_handle(adapter, &adapter->tx_eq, false);
return IRQ_HANDLED;
}
@@ -1978,45 +1983,48 @@ static int be_poll_tx_mcc(struct napi_struct *napi, int budget)
struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi);
struct be_adapter *adapter =
container_of(tx_eq, struct be_adapter, tx_eq);
- struct be_queue_info *txq = &adapter->tx_obj.q;
- struct be_queue_info *tx_cq = &adapter->tx_obj.cq;
+ struct be_tx_obj *txo;
struct be_eth_tx_compl *txcp;
- int tx_compl = 0, mcc_compl, status = 0;
- u16 end_idx, num_wrbs = 0;
+ int tx_compl, mcc_compl, status = 0;
+ u8 i;
+ u16 num_wrbs;
+
+ for_all_tx_queues(adapter, txo, i) {
+ tx_compl = 0;
+ num_wrbs = 0;
+ while ((txcp = be_tx_compl_get(&txo->cq))) {
+ num_wrbs += be_tx_compl_process(adapter, txo,
+ AMAP_GET_BITS(struct amap_eth_tx_compl,
+ wrb_index, txcp));
+ tx_compl++;
+ }
+ if (tx_compl) {
+ be_cq_notify(adapter, txo->cq.id, true, tx_compl);
+
+ atomic_sub(num_wrbs, &txo->q.used);
- while ((txcp = be_tx_compl_get(tx_cq))) {
- end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl,
- wrb_index, txcp);
- num_wrbs += be_tx_compl_process(adapter, end_idx);
- tx_compl++;
+ /* As Tx wrbs have been freed up, wake up netdev queue
+ * if it was stopped due to lack of tx wrbs. */
+ if (__netif_subqueue_stopped(adapter->netdev, i) &&
+ atomic_read(&txo->q.used) < txo->q.len / 2) {
+ netif_wake_subqueue(adapter->netdev, i);
+ }
+
+ adapter->drv_stats.be_tx_events++;
+ txo->stats.be_tx_compl += tx_compl;
+ }
}
mcc_compl = be_process_mcc(adapter, &status);
- napi_complete(napi);
-
if (mcc_compl) {
struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl);
}
- if (tx_compl) {
- be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl);
-
- atomic_sub(num_wrbs, &txq->used);
-
- /* As Tx wrbs have been freed up, wake up netdev queue if
- * it was stopped due to lack of tx wrbs.
- */
- if (netif_queue_stopped(adapter->netdev) &&
- atomic_read(&txq->used) < txq->len / 2) {
- netif_wake_queue(adapter->netdev);
- }
-
- tx_stats(adapter)->be_tx_events++;
- tx_stats(adapter)->be_tx_compl += tx_compl;
- }
+ napi_complete(napi);
+ be_eq_notify(adapter, tx_eq->q.id, true, false, 0);
return 1;
}
@@ -2065,6 +2073,7 @@ static void be_worker(struct work_struct *work)
struct be_adapter *adapter =
container_of(work, struct be_adapter, work.work);
struct be_rx_obj *rxo;
+ struct be_tx_obj *txo;
int i;
if (!adapter->ue_detected && !lancer_chip(adapter))
@@ -2092,7 +2101,9 @@ static void be_worker(struct work_struct *work)
else
be_cmd_get_stats(adapter, &adapter->stats_cmd);
}
- be_tx_rate_update(adapter);
+
+ for_all_tx_queues(adapter, txo, i)
+ be_tx_rate_update(txo);
for_all_rx_queues(adapter, rxo, i) {
be_rx_rate_update(rxo);
@@ -2294,6 +2305,7 @@ static int be_close(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_rx_obj *rxo;
+ struct be_tx_obj *txo;
struct be_eq_obj *tx_eq = &adapter->tx_eq;
int vec, i;
@@ -2311,10 +2323,11 @@ static int be_close(struct net_device *netdev)
napi_disable(&tx_eq->napi);
if (lancer_chip(adapter)) {
- be_cq_notify(adapter, adapter->tx_obj.cq.id, false, 0);
be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);
for_all_rx_queues(adapter, rxo, i)
be_cq_notify(adapter, rxo->cq.id, false, 0);
+ for_all_tx_queues(adapter, txo, i)
+ be_cq_notify(adapter, txo->cq.id, false, 0);
}
if (msix_enabled(adapter)) {
@@ -2333,7 +2346,8 @@ static int be_close(struct net_device *netdev)
/* Wait for all pending tx completions to arrive so that
* all tx skbs are freed.
*/
- be_tx_compl_clean(adapter);
+ for_all_tx_queues(adapter, txo, i)
+ be_tx_compl_clean(adapter, txo);
return 0;
}
@@ -3183,6 +3197,17 @@ static int be_get_config(struct be_adapter *adapter)
return status;
be_cmd_check_native_mode(adapter);
+
+ if ((num_vfs && adapter->sriov_enabled) ||
+ (adapter->function_mode & 0x400) ||
+ lancer_chip(adapter) || !be_physfn(adapter)) {
+ adapter->num_tx_qs = 1;
+ netif_set_real_num_tx_queues(adapter->netdev,
+ adapter->num_tx_qs);
+ } else {
+ adapter->num_tx_qs = MAX_TX_QS;
+ }
+
return 0;
}
@@ -3285,7 +3310,7 @@ static int __devinit be_probe(struct pci_dev *pdev,
goto disable_dev;
pci_set_master(pdev);
- netdev = alloc_etherdev(sizeof(struct be_adapter));
+ netdev = alloc_etherdev_mq(sizeof(struct be_adapter), MAX_TX_QS);
if (netdev == NULL) {
status = -ENOMEM;
goto rel_reg;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 18:55:50 +0000