bnx2x: Multi-queue
Adding Tx multi-queue and enabling multi-queue by default Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
8d9c5f34a2
commit
555f6c7837
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@ -25,6 +25,10 @@
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#endif
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#define BNX2X_MULTI_QUEUE
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#define BNX2X_NEW_NAPI
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/* error/debug prints */
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#define DRV_MODULE_NAME "bnx2x"
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@ -266,6 +270,7 @@ struct bnx2x_fastpath {
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u64 tpa_queue_used;
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#endif
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char name[IFNAMSIZ];
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struct bnx2x *bp; /* parent */
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};
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@ -680,11 +685,7 @@ struct bnx2x_eth_stats {
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(offsetof(struct bnx2x_eth_stats, stat_name) / 4)
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#ifdef BNX2X_MULTI
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#define MAX_CONTEXT 16
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#else
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#define MAX_CONTEXT 1
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#endif
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union cdu_context {
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struct eth_context eth;
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@ -859,8 +860,9 @@ struct bnx2x {
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#define BNX2X_STATE_DIAG 0xe000
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#define BNX2X_STATE_ERROR 0xf000
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int num_queues;
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#define BP_MAX_QUEUES(bp) (IS_E1HMF(bp) ? 4 : 16)
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int multi_mode;
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int num_rx_queues;
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int num_tx_queues;
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u32 rx_mode;
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#define BNX2X_RX_MODE_NONE 0
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@ -911,11 +913,19 @@ struct bnx2x {
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};
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#define for_each_queue(bp, var) for (var = 0; var < bp->num_queues; var++)
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#define BNX2X_MAX_QUEUES(bp) (IS_E1HMF(bp) ? (MAX_CONTEXT / E1HVN_MAX) : \
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MAX_CONTEXT)
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#define BNX2X_NUM_QUEUES(bp) max(bp->num_rx_queues, bp->num_tx_queues)
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#define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
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#define for_each_rx_queue(bp, var) \
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for (var = 0; var < bp->num_rx_queues; var++)
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#define for_each_tx_queue(bp, var) \
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for (var = 0; var < bp->num_tx_queues; var++)
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#define for_each_queue(bp, var) \
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for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++)
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#define for_each_nondefault_queue(bp, var) \
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for (var = 1; var < bp->num_queues; var++)
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#define is_multi(bp) (bp->num_queues > 1)
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for (var = 1; var < BNX2X_NUM_QUEUES(bp); var++)
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void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
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@ -1120,12 +1130,13 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
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AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR)
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#define MULTI_FLAGS \
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#define MULTI_FLAGS(bp) \
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(TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY | \
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TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_TCP_CAPABILITY | \
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TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_CAPABILITY | \
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TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV6_TCP_CAPABILITY | \
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TSTORM_ETH_FUNCTION_COMMON_CONFIG_DEFAULT_ENABLE)
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(bp->multi_mode << \
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TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT))
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#define MULTI_MASK 0x7f
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@ -259,6 +259,10 @@
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#define ETH_MAX_AGGREGATION_QUEUES_E1 (32)
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#define ETH_MAX_AGGREGATION_QUEUES_E1H (64)
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/* ETH RSS modes */
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#define ETH_RSS_MODE_DISABLED 0
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#define ETH_RSS_MODE_REGULAR 1
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/**
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* This file defines HSI constatnts common to all microcode flows
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@ -73,12 +73,14 @@ MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_MODULE_VERSION);
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static int multi_mode = 1;
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module_param(multi_mode, int, 0);
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static int disable_tpa;
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static int use_inta;
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static int poll;
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static int debug;
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static int load_count[3]; /* 0-common, 1-port0, 2-port1 */
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static int use_multi;
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module_param(disable_tpa, int, 0);
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module_param(use_inta, int, 0);
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@ -89,10 +91,6 @@ MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
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MODULE_PARM_DESC(poll, "use polling (for debug)");
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MODULE_PARM_DESC(debug, "default debug msglevel");
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#ifdef BNX2X_MULTI
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module_param(use_multi, int, 0);
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MODULE_PARM_DESC(use_multi, "use per-CPU queues");
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#endif
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static struct workqueue_struct *bnx2x_wq;
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enum bnx2x_board_type {
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@ -845,6 +843,7 @@ static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
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static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
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{
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struct bnx2x *bp = fp->bp;
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struct netdev_queue *txq;
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u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
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int done = 0;
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@ -853,6 +852,7 @@ static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
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return;
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#endif
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txq = netdev_get_tx_queue(bp->dev, fp->index);
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hw_cons = le16_to_cpu(*fp->tx_cons_sb);
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sw_cons = fp->tx_pkt_cons;
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@ -882,24 +882,24 @@ static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
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fp->tx_pkt_cons = sw_cons;
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fp->tx_bd_cons = bd_cons;
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/* Need to make the tx_cons update visible to start_xmit()
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* before checking for netif_queue_stopped(). Without the
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/* Need to make the tx_bd_cons update visible to start_xmit()
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* before checking for netif_tx_queue_stopped(). Without the
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* memory barrier, there is a small possibility that start_xmit()
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* will miss it and cause the queue to be stopped forever.
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*/
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smp_mb();
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/* TBD need a thresh? */
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if (unlikely(netif_queue_stopped(bp->dev))) {
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if (unlikely(netif_tx_queue_stopped(txq))) {
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netif_tx_lock(bp->dev);
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__netif_tx_lock(txq, smp_processor_id());
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if (netif_queue_stopped(bp->dev) &&
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if ((netif_tx_queue_stopped(txq)) &&
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(bp->state == BNX2X_STATE_OPEN) &&
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(bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
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netif_wake_queue(bp->dev);
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netif_tx_wake_queue(txq);
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netif_tx_unlock(bp->dev);
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__netif_tx_unlock(txq);
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}
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}
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@ -1403,8 +1403,8 @@ static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
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mmiowb(); /* keep prod updates ordered */
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DP(NETIF_MSG_RX_STATUS,
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"Wrote: bd_prod %u cqe_prod %u sge_prod %u\n",
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bd_prod, rx_comp_prod, rx_sge_prod);
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"queue[%d]: wrote bd_prod %u cqe_prod %u sge_prod %u\n",
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fp->index, bd_prod, rx_comp_prod, rx_sge_prod);
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}
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static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
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@ -1662,8 +1662,7 @@ static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
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static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
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{
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struct net_device *dev = dev_instance;
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struct bnx2x *bp = netdev_priv(dev);
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struct bnx2x *bp = netdev_priv(dev_instance);
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u16 status = bnx2x_ack_int(bp);
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u16 mask;
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@ -4295,7 +4294,7 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
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"rx_buf_size %d effective_mtu %d\n",
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bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD);
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for_each_queue(bp, j) {
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for_each_rx_queue(bp, j) {
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struct bnx2x_fastpath *fp = &bp->fp[j];
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for (i = 0; i < max_agg_queues; i++) {
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@ -4318,7 +4317,7 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
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}
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}
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for_each_queue(bp, j) {
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for_each_rx_queue(bp, j) {
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struct bnx2x_fastpath *fp = &bp->fp[j];
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fp->rx_bd_cons = 0;
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@ -4430,7 +4429,7 @@ static void bnx2x_init_tx_ring(struct bnx2x *bp)
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{
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int i, j;
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for_each_queue(bp, j) {
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for_each_tx_queue(bp, j) {
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struct bnx2x_fastpath *fp = &bp->fp[j];
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for (i = 1; i <= NUM_TX_RINGS; i++) {
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@ -4543,14 +4542,15 @@ static void bnx2x_init_ind_table(struct bnx2x *bp)
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int func = BP_FUNC(bp);
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int i;
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if (!is_multi(bp))
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if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
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return;
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DP(NETIF_MSG_IFUP, "Initializing indirection table\n");
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DP(NETIF_MSG_IFUP,
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"Initializing indirection table multi_mode %d\n", bp->multi_mode);
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for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
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REG_WR8(bp, BAR_TSTRORM_INTMEM +
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TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
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BP_CL_ID(bp) + (i % bp->num_queues));
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BP_CL_ID(bp) + (i % bp->num_rx_queues));
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}
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static void bnx2x_set_client_config(struct bnx2x *bp)
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@ -4684,7 +4684,7 @@ static void bnx2x_init_internal_func(struct bnx2x *bp)
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u16 max_agg_size;
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if (is_multi(bp)) {
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tstorm_config.config_flags = MULTI_FLAGS;
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tstorm_config.config_flags = MULTI_FLAGS(bp);
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tstorm_config.rss_result_mask = MULTI_MASK;
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}
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if (IS_E1HMF(bp))
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@ -4764,7 +4764,7 @@ static void bnx2x_init_internal_func(struct bnx2x *bp)
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min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) *
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SGE_PAGE_SIZE * PAGES_PER_SGE),
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(u32)0xffff);
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for_each_queue(bp, i) {
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for_each_rx_queue(bp, i) {
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struct bnx2x_fastpath *fp = &bp->fp[i];
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REG_WR(bp, BAR_USTRORM_INTMEM +
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@ -5809,20 +5809,19 @@ static void bnx2x_free_mem(struct bnx2x *bp)
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int i;
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/* fastpath */
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/* Common */
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for_each_queue(bp, i) {
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/* Status blocks */
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/* status blocks */
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BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
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bnx2x_fp(bp, i, status_blk_mapping),
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sizeof(struct host_status_block) +
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sizeof(struct eth_tx_db_data));
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}
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/* Rx */
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for_each_rx_queue(bp, i) {
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/* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
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BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
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BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
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bnx2x_fp(bp, i, tx_desc_mapping),
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sizeof(struct eth_tx_bd) * NUM_TX_BD);
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/* fastpath rx rings: rx_buf rx_desc rx_comp */
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BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
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BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
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bnx2x_fp(bp, i, rx_desc_mapping),
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@ -5839,6 +5838,15 @@ static void bnx2x_free_mem(struct bnx2x *bp)
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bnx2x_fp(bp, i, rx_sge_mapping),
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BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
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}
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/* Tx */
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for_each_tx_queue(bp, i) {
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/* fastpath tx rings: tx_buf tx_desc */
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BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
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BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
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bnx2x_fp(bp, i, tx_desc_mapping),
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sizeof(struct eth_tx_bd) * NUM_TX_BD);
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}
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/* end of fastpath */
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BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
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@ -5881,29 +5889,20 @@ static int bnx2x_alloc_mem(struct bnx2x *bp)
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int i;
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/* fastpath */
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/* Common */
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for_each_queue(bp, i) {
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bnx2x_fp(bp, i, bp) = bp;
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/* Status blocks */
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/* status blocks */
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BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
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&bnx2x_fp(bp, i, status_blk_mapping),
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sizeof(struct host_status_block) +
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sizeof(struct eth_tx_db_data));
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}
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/* Rx */
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for_each_rx_queue(bp, i) {
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bnx2x_fp(bp, i, hw_tx_prods) =
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(void *)(bnx2x_fp(bp, i, status_blk) + 1);
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bnx2x_fp(bp, i, tx_prods_mapping) =
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bnx2x_fp(bp, i, status_blk_mapping) +
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sizeof(struct host_status_block);
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/* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
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BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
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sizeof(struct sw_tx_bd) * NUM_TX_BD);
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BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
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&bnx2x_fp(bp, i, tx_desc_mapping),
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sizeof(struct eth_tx_bd) * NUM_TX_BD);
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/* fastpath rx rings: rx_buf rx_desc rx_comp */
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BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
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sizeof(struct sw_rx_bd) * NUM_RX_BD);
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BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
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@ -5922,6 +5921,23 @@ static int bnx2x_alloc_mem(struct bnx2x *bp)
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&bnx2x_fp(bp, i, rx_sge_mapping),
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BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
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}
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/* Tx */
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for_each_tx_queue(bp, i) {
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bnx2x_fp(bp, i, hw_tx_prods) =
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(void *)(bnx2x_fp(bp, i, status_blk) + 1);
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bnx2x_fp(bp, i, tx_prods_mapping) =
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bnx2x_fp(bp, i, status_blk_mapping) +
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sizeof(struct host_status_block);
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/* fastpath tx rings: tx_buf tx_desc */
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BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
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sizeof(struct sw_tx_bd) * NUM_TX_BD);
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BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
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&bnx2x_fp(bp, i, tx_desc_mapping),
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sizeof(struct eth_tx_bd) * NUM_TX_BD);
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}
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/* end of fastpath */
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BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
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@ -5975,7 +5991,7 @@ static void bnx2x_free_tx_skbs(struct bnx2x *bp)
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{
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int i;
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for_each_queue(bp, i) {
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for_each_tx_queue(bp, i) {
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struct bnx2x_fastpath *fp = &bp->fp[i];
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u16 bd_cons = fp->tx_bd_cons;
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@ -5993,7 +6009,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
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{
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int i, j;
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for_each_queue(bp, j) {
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for_each_rx_queue(bp, j) {
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struct bnx2x_fastpath *fp = &bp->fp[j];
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for (i = 0; i < NUM_RX_BD; i++) {
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@ -6073,7 +6089,7 @@ static int bnx2x_enable_msix(struct bnx2x *bp)
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}
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rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
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bp->num_queues + offset);
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BNX2X_NUM_QUEUES(bp) + offset);
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if (rc) {
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DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n");
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return -1;
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@ -6095,19 +6111,32 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp)
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}
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for_each_queue(bp, i) {
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struct bnx2x_fastpath *fp = &bp->fp[i];
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sprintf(fp->name, "%s.fp%d", bp->dev->name, i);
|
||||
rc = request_irq(bp->msix_table[i + offset].vector,
|
||||
bnx2x_msix_fp_int, 0,
|
||||
bp->dev->name, &bp->fp[i]);
|
||||
bnx2x_msix_fp_int, 0, fp->name, fp);
|
||||
if (rc) {
|
||||
BNX2X_ERR("request fp #%d irq failed rc -%d\n",
|
||||
i + offset, -rc);
|
||||
BNX2X_ERR("request fp #%d irq failed rc %d\n", i, rc);
|
||||
bnx2x_free_msix_irqs(bp);
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
|
||||
fp->state = BNX2X_FP_STATE_IRQ;
|
||||
}
|
||||
|
||||
i = BNX2X_NUM_QUEUES(bp);
|
||||
if (is_multi(bp))
|
||||
printk(KERN_INFO PFX
|
||||
"%s: using MSI-X IRQs: sp %d fp %d - %d\n",
|
||||
bp->dev->name, bp->msix_table[0].vector,
|
||||
bp->msix_table[offset].vector,
|
||||
bp->msix_table[offset + i - 1].vector);
|
||||
else
|
||||
printk(KERN_INFO PFX "%s: using MSI-X IRQs: sp %d fp %d\n",
|
||||
bp->dev->name, bp->msix_table[0].vector,
|
||||
bp->msix_table[offset + i - 1].vector);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -6127,7 +6156,7 @@ static void bnx2x_napi_enable(struct bnx2x *bp)
|
|||
{
|
||||
int i;
|
||||
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
napi_enable(&bnx2x_fp(bp, i, napi));
|
||||
}
|
||||
|
||||
|
@ -6135,7 +6164,7 @@ static void bnx2x_napi_disable(struct bnx2x *bp)
|
|||
{
|
||||
int i;
|
||||
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
napi_disable(&bnx2x_fp(bp, i, napi));
|
||||
}
|
||||
|
||||
|
@ -6143,10 +6172,10 @@ static void bnx2x_netif_start(struct bnx2x *bp)
|
|||
{
|
||||
if (atomic_dec_and_test(&bp->intr_sem)) {
|
||||
if (netif_running(bp->dev)) {
|
||||
if (bp->state == BNX2X_STATE_OPEN)
|
||||
netif_wake_queue(bp->dev);
|
||||
bnx2x_napi_enable(bp);
|
||||
bnx2x_int_enable(bp);
|
||||
if (bp->state == BNX2X_STATE_OPEN)
|
||||
netif_tx_wake_all_queues(bp->dev);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -6320,16 +6349,19 @@ static int bnx2x_setup_leading(struct bnx2x *bp)
|
|||
|
||||
static int bnx2x_setup_multi(struct bnx2x *bp, int index)
|
||||
{
|
||||
struct bnx2x_fastpath *fp = &bp->fp[index];
|
||||
|
||||
/* reset IGU state */
|
||||
bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
|
||||
bnx2x_ack_sb(bp, fp->sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
|
||||
|
||||
/* SETUP ramrod */
|
||||
bp->fp[index].state = BNX2X_FP_STATE_OPENING;
|
||||
bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0);
|
||||
fp->state = BNX2X_FP_STATE_OPENING;
|
||||
bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0,
|
||||
fp->cl_id, 0);
|
||||
|
||||
/* Wait for completion */
|
||||
return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index,
|
||||
&(bp->fp[index].state), 0);
|
||||
&(fp->state), 0);
|
||||
}
|
||||
|
||||
static int bnx2x_poll(struct napi_struct *napi, int budget);
|
||||
|
@ -6340,6 +6372,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
|
|||
{
|
||||
u32 load_code;
|
||||
int i, rc = 0;
|
||||
int num_queues;
|
||||
#ifdef BNX2X_STOP_ON_ERROR
|
||||
if (unlikely(bp->panic))
|
||||
return -EPERM;
|
||||
|
@ -6348,22 +6381,22 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
|
|||
bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
|
||||
|
||||
if (use_inta) {
|
||||
bp->num_queues = 1;
|
||||
|
||||
} else {
|
||||
if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp)))
|
||||
/* user requested number */
|
||||
bp->num_queues = use_multi;
|
||||
|
||||
else if (use_multi)
|
||||
bp->num_queues = min_t(u32, num_online_cpus(),
|
||||
BP_MAX_QUEUES(bp));
|
||||
else
|
||||
bp->num_queues = 1;
|
||||
|
||||
num_queues = 1;
|
||||
bp->num_rx_queues = num_queues;
|
||||
bp->num_tx_queues = num_queues;
|
||||
DP(NETIF_MSG_IFUP,
|
||||
"set number of queues to %d\n", bp->num_queues);
|
||||
|
||||
"set number of queues to %d\n", num_queues);
|
||||
} else {
|
||||
if (bp->multi_mode == ETH_RSS_MODE_REGULAR)
|
||||
num_queues = min_t(u32, num_online_cpus(),
|
||||
BNX2X_MAX_QUEUES(bp));
|
||||
else
|
||||
num_queues = 1;
|
||||
bp->num_rx_queues = num_queues;
|
||||
bp->num_tx_queues = num_queues;
|
||||
DP(NETIF_MSG_IFUP, "set number of rx queues to %d"
|
||||
" number of tx queues to %d\n",
|
||||
bp->num_rx_queues, bp->num_tx_queues);
|
||||
/* if we can't use MSI-X we only need one fp,
|
||||
* so try to enable MSI-X with the requested number of fp's
|
||||
* and fallback to MSI or legacy INTx with one fp
|
||||
|
@ -6371,26 +6404,30 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
|
|||
rc = bnx2x_enable_msix(bp);
|
||||
if (rc) {
|
||||
/* failed to enable MSI-X */
|
||||
bp->num_queues = 1;
|
||||
if (use_multi)
|
||||
BNX2X_ERR("Multi requested but failed"
|
||||
" to enable MSI-X\n");
|
||||
num_queues = 1;
|
||||
bp->num_rx_queues = num_queues;
|
||||
bp->num_tx_queues = num_queues;
|
||||
if (bp->multi_mode)
|
||||
BNX2X_ERR("Multi requested but failed to "
|
||||
"enable MSI-X set number of "
|
||||
"queues to %d\n", num_queues);
|
||||
}
|
||||
}
|
||||
bp->dev->real_num_tx_queues = bp->num_tx_queues;
|
||||
|
||||
if (bnx2x_alloc_mem(bp))
|
||||
return -ENOMEM;
|
||||
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
bnx2x_fp(bp, i, disable_tpa) =
|
||||
((bp->flags & TPA_ENABLE_FLAG) == 0);
|
||||
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi),
|
||||
bnx2x_poll, 128);
|
||||
|
||||
#ifdef BNX2X_STOP_ON_ERROR
|
||||
for_each_queue(bp, i) {
|
||||
for_each_rx_queue(bp, i) {
|
||||
struct bnx2x_fastpath *fp = &bp->fp[i];
|
||||
|
||||
fp->poll_no_work = 0;
|
||||
|
@ -6512,13 +6549,13 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
|
|||
switch (load_mode) {
|
||||
case LOAD_NORMAL:
|
||||
/* Tx queue should be only reenabled */
|
||||
netif_wake_queue(bp->dev);
|
||||
netif_tx_wake_all_queues(bp->dev);
|
||||
/* Initialize the receive filter. */
|
||||
bnx2x_set_rx_mode(bp->dev);
|
||||
break;
|
||||
|
||||
case LOAD_OPEN:
|
||||
netif_start_queue(bp->dev);
|
||||
netif_tx_start_all_queues(bp->dev);
|
||||
/* Initialize the receive filter. */
|
||||
bnx2x_set_rx_mode(bp->dev);
|
||||
break;
|
||||
|
@ -6551,14 +6588,14 @@ load_error3:
|
|||
bp->port.pmf = 0;
|
||||
/* Free SKBs, SGEs, TPA pool and driver internals */
|
||||
bnx2x_free_skbs(bp);
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
|
||||
load_error2:
|
||||
/* Release IRQs */
|
||||
bnx2x_free_irq(bp);
|
||||
load_error1:
|
||||
bnx2x_napi_disable(bp);
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
netif_napi_del(&bnx2x_fp(bp, i, napi));
|
||||
bnx2x_free_mem(bp);
|
||||
|
||||
|
@ -6569,15 +6606,16 @@ load_error1:
|
|||
|
||||
static int bnx2x_stop_multi(struct bnx2x *bp, int index)
|
||||
{
|
||||
struct bnx2x_fastpath *fp = &bp->fp[index];
|
||||
int rc;
|
||||
|
||||
/* halt the connection */
|
||||
bp->fp[index].state = BNX2X_FP_STATE_HALTING;
|
||||
bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0);
|
||||
fp->state = BNX2X_FP_STATE_HALTING;
|
||||
bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, fp->cl_id, 0);
|
||||
|
||||
/* Wait for completion */
|
||||
rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index,
|
||||
&(bp->fp[index].state), 1);
|
||||
&(fp->state), 1);
|
||||
if (rc) /* timeout */
|
||||
return rc;
|
||||
|
||||
|
@ -6586,7 +6624,7 @@ static int bnx2x_stop_multi(struct bnx2x *bp, int index)
|
|||
|
||||
/* Wait for completion */
|
||||
rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index,
|
||||
&(bp->fp[index].state), 1);
|
||||
&(fp->state), 1);
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
@ -6735,7 +6773,7 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode)
|
|||
bnx2x_free_irq(bp);
|
||||
|
||||
/* Wait until tx fastpath tasks complete */
|
||||
for_each_queue(bp, i) {
|
||||
for_each_tx_queue(bp, i) {
|
||||
struct bnx2x_fastpath *fp = &bp->fp[i];
|
||||
|
||||
cnt = 1000;
|
||||
|
@ -6867,9 +6905,9 @@ unload_error:
|
|||
|
||||
/* Free SKBs, SGEs, TPA pool and driver internals */
|
||||
bnx2x_free_skbs(bp);
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
netif_napi_del(&bnx2x_fp(bp, i, napi));
|
||||
bnx2x_free_mem(bp);
|
||||
|
||||
|
@ -7597,6 +7635,15 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp)
|
|||
printk(KERN_ERR PFX
|
||||
"MCP disabled, must load devices in order!\n");
|
||||
|
||||
/* Set multi queue mode */
|
||||
if ((multi_mode != ETH_RSS_MODE_DISABLED) && (!use_inta)) {
|
||||
printk(KERN_ERR PFX
|
||||
"Multi disabled since INTA is requested\n");
|
||||
multi_mode = ETH_RSS_MODE_DISABLED;
|
||||
}
|
||||
bp->multi_mode = multi_mode;
|
||||
|
||||
|
||||
/* Set TPA flags */
|
||||
if (disable_tpa) {
|
||||
bp->flags &= ~TPA_ENABLE_FLAG;
|
||||
|
@ -9569,6 +9616,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|||
{
|
||||
struct bnx2x *bp = netdev_priv(dev);
|
||||
struct bnx2x_fastpath *fp;
|
||||
struct netdev_queue *txq;
|
||||
struct sw_tx_bd *tx_buf;
|
||||
struct eth_tx_bd *tx_bd;
|
||||
struct eth_tx_parse_bd *pbd = NULL;
|
||||
|
@ -9585,12 +9633,14 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|||
return NETDEV_TX_BUSY;
|
||||
#endif
|
||||
|
||||
fp_index = (smp_processor_id() % bp->num_queues);
|
||||
fp_index = skb_get_queue_mapping(skb);
|
||||
txq = netdev_get_tx_queue(dev, fp_index);
|
||||
|
||||
fp = &bp->fp[fp_index];
|
||||
|
||||
if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
|
||||
bp->eth_stats.driver_xoff++,
|
||||
netif_stop_queue(dev);
|
||||
netif_tx_stop_queue(txq);
|
||||
BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
|
||||
return NETDEV_TX_BUSY;
|
||||
}
|
||||
|
@ -9829,10 +9879,10 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|||
/* We want bnx2x_tx_int to "see" the updated tx_bd_prod
|
||||
if we put Tx into XOFF state. */
|
||||
smp_mb();
|
||||
netif_stop_queue(dev);
|
||||
netif_tx_stop_queue(txq);
|
||||
bp->eth_stats.driver_xoff++;
|
||||
if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
|
||||
netif_wake_queue(dev);
|
||||
netif_tx_wake_queue(txq);
|
||||
}
|
||||
fp->tx_pkt++;
|
||||
|
||||
|
@ -10324,7 +10374,7 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev,
|
|||
printk(KERN_INFO "%s", version);
|
||||
|
||||
/* dev zeroed in init_etherdev */
|
||||
dev = alloc_etherdev(sizeof(*bp));
|
||||
dev = alloc_etherdev_mq(sizeof(*bp), MAX_CONTEXT);
|
||||
if (!dev) {
|
||||
printk(KERN_ERR PFX "Cannot allocate net device\n");
|
||||
return -ENOMEM;
|
||||
|
@ -10496,9 +10546,9 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
|
|||
|
||||
/* Free SKBs, SGEs, TPA pool and driver internals */
|
||||
bnx2x_free_skbs(bp);
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
|
||||
for_each_queue(bp, i)
|
||||
for_each_rx_queue(bp, i)
|
||||
netif_napi_del(&bnx2x_fp(bp, i, napi));
|
||||
bnx2x_free_mem(bp);
|
||||
|
||||
|
|
Loading…
Reference in New Issue