#ifdef BNX2X_STOP_ON_ERROR
+void bnx2x_int_disable(struct bnx2x *bp);
#define bnx2x_panic() do { \
bp->panic = 1; \
BNX2X_ERR("driver assert\n"); \
*/
/* iSCSI L2 */
#define BNX2X_ISCSI_ETH_CL_ID_IDX 1
-#define BNX2X_ISCSI_ETH_CID 17
+#define BNX2X_ISCSI_ETH_CID 49
/* FCoE L2 */
#define BNX2X_FCOE_ETH_CL_ID_IDX 2
-#define BNX2X_FCOE_ETH_CID 18
+#define BNX2X_FCOE_ETH_CID 50
/** Additional rings budgeting */
#ifdef BCM_CNIC
-#define CNIC_CONTEXT_USE 1
-#define FCOE_CONTEXT_USE 1
+#define CNIC_PRESENT 1
+#define FCOE_PRESENT 1
#else
-#define CNIC_CONTEXT_USE 0
-#define FCOE_CONTEXT_USE 0
+#define CNIC_PRESENT 0
+#define FCOE_PRESENT 0
#endif /* BCM_CNIC */
-#define NONE_ETH_CONTEXT_USE (FCOE_CONTEXT_USE)
+#define NON_ETH_CONTEXT_USE (FCOE_PRESENT)
#define AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR \
AEU_INPUTS_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR
#define SM_RX_ID 0
#define SM_TX_ID 1
-/* fast path */
+/* defines for multiple tx priority indices */
+#define FIRST_TX_ONLY_COS_INDEX 1
+#define FIRST_TX_COS_INDEX 0
+
+/* defines for decodeing the fastpath index and the cos index out of the
+ * transmission queue index
+ */
+#define MAX_TXQS_PER_COS FP_SB_MAX_E1x
+
+#define TXQ_TO_FP(txq_index) ((txq_index) % MAX_TXQS_PER_COS)
+#define TXQ_TO_COS(txq_index) ((txq_index) / MAX_TXQS_PER_COS)
+
+/* rules for calculating the cids of tx-only connections */
+#define CID_TO_FP(cid) ((cid) % MAX_TXQS_PER_COS)
+#define CID_COS_TO_TX_ONLY_CID(cid, cos) (cid + cos * MAX_TXQS_PER_COS)
+
+/* fp index inside class of service range */
+#define FP_COS_TO_TXQ(fp, cos) ((fp)->index + cos * MAX_TXQS_PER_COS)
+
+/*
+ * 0..15 eth cos0
+ * 16..31 eth cos1 if applicable
+ * 32..47 eth cos2 If applicable
+ * fcoe queue follows eth queues (16, 32, 48 depending on cos)
+ */
+#define MAX_ETH_TXQ_IDX(bp) (MAX_TXQS_PER_COS * (bp)->max_cos)
+#define FCOE_TXQ_IDX(bp) (MAX_ETH_TXQ_IDX(bp))
+/* fast path */
struct sw_rx_bd {
struct sk_buff *skb;
DEFINE_DMA_UNMAP_ADDR(mapping);
#define Q_STATS_OFFSET32(stat_name) \
(offsetof(struct bnx2x_eth_q_stats, stat_name) / 4)
+struct bnx2x_fp_txdata {
+
+ struct sw_tx_bd *tx_buf_ring;
+
+ union eth_tx_bd_types *tx_desc_ring;
+ dma_addr_t tx_desc_mapping;
+
+ u32 cid;
+
+ union db_prod tx_db;
+
+ u16 tx_pkt_prod;
+ u16 tx_pkt_cons;
+ u16 tx_bd_prod;
+ u16 tx_bd_cons;
+
+ unsigned long tx_pkt;
+
+ __le16 *tx_cons_sb;
+
+ int txq_index;
+};
+
struct bnx2x_fastpath {
struct bnx2x *bp; /* parent */
dma_addr_t status_blk_mapping;
- struct sw_tx_bd *tx_buf_ring;
-
- union eth_tx_bd_types *tx_desc_ring;
- dma_addr_t tx_desc_mapping;
+ u8 max_cos; /* actual number of active tx coses */
+ struct bnx2x_fp_txdata txdata[BNX2X_MULTI_TX_COS];
struct sw_rx_bd *rx_buf_ring; /* BDs mappings ring */
struct sw_rx_page *rx_page_ring; /* SGE pages mappings ring */
u32 cid;
+ __le16 fp_hc_idx;
+
u8 index; /* number in fp array */
u8 cl_id; /* eth client id */
u8 cl_qzone_id;
u8 fw_sb_id; /* status block number in FW */
u8 igu_sb_id; /* status block number in HW */
- union db_prod tx_db;
-
- u16 tx_pkt_prod;
- u16 tx_pkt_cons;
- u16 tx_bd_prod;
- u16 tx_bd_cons;
- __le16 *tx_cons_sb;
-
- __le16 fp_hc_idx;
u16 rx_bd_prod;
u16 rx_bd_cons;
/* The last maximal completed SGE */
u16 last_max_sge;
__le16 *rx_cons_sb;
- unsigned long tx_pkt,
- rx_pkt,
+ unsigned long rx_pkt,
rx_calls;
/* TPA related */
#define FCOE_IDX BNX2X_NUM_ETH_QUEUES(bp)
#define bnx2x_fcoe_fp(bp) (&bp->fp[FCOE_IDX])
#define bnx2x_fcoe(bp, var) (bnx2x_fcoe_fp(bp)->var)
+#define bnx2x_fcoe_tx(bp, var) (bnx2x_fcoe_fp(bp)-> \
+ txdata[FIRST_TX_COS_INDEX].var)
+#define IS_ETH_FP(fp) (fp->index < \
+ BNX2X_NUM_ETH_QUEUES(fp->bp))
#ifdef BCM_CNIC
#define IS_FCOE_FP(fp) (fp->index == FCOE_IDX)
#define IS_FCOE_IDX(idx) ((idx) == FCOE_IDX)
#define HC_INDEX_TOE_TX_CQ_CONS 4 /* Formerly Cstorm TOE CQ index */
/* (HC_INDEX_C_TOE_TX_CQ_CONS) */
-#define HC_INDEX_ETH_TX_CQ_CONS 5 /* Formerly Cstorm ETH CQ index */
+#define HC_INDEX_ETH_TX_CQ_CONS_COS0 5 /* Formerly Cstorm ETH CQ index */
+ /* (HC_INDEX_C_ETH_TX_CQ_CONS) */
+#define HC_INDEX_ETH_TX_CQ_CONS_COS1 6 /* Formerly Cstorm ETH CQ index */
+ /* (HC_INDEX_C_ETH_TX_CQ_CONS) */
+#define HC_INDEX_ETH_TX_CQ_CONS_COS2 7 /* Formerly Cstorm ETH CQ index */
/* (HC_INDEX_C_ETH_TX_CQ_CONS) */
-#define U_SB_ETH_RX_CQ_INDEX HC_INDEX_ETH_RX_CQ_CONS
-#define U_SB_ETH_RX_BD_INDEX HC_INDEX_ETH_RX_BD_CONS
-#define C_SB_ETH_TX_CQ_INDEX HC_INDEX_ETH_TX_CQ_CONS
+#define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0
+
#define BNX2X_RX_SB_INDEX \
(&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS])
-#define BNX2X_TX_SB_INDEX \
- (&fp->sb_index_values[C_SB_ETH_TX_CQ_INDEX])
+#define BNX2X_TX_SB_INDEX_BASE BNX2X_TX_SB_INDEX_COS0
+
+#define BNX2X_TX_SB_INDEX_COS0 \
+ (&fp->sb_index_values[HC_INDEX_ETH_TX_CQ_CONS_COS0])
/* end of fast path */
/* fast-path interrupt contexts E2 */
#define FP_SB_MAX_E2 HC_SB_MAX_SB_E2
-/*
- * cid_cnt paramter below refers to the value returned by
- * 'bnx2x_get_l2_cid_count()' routine
- */
-
-/*
- * The number of FP context allocated by the driver == max number of regular
- * L2 queues + 1 for the FCoE L2 queue
- */
-#define L2_FP_COUNT(cid_cnt) ((cid_cnt) - FCOE_CONTEXT_USE)
-
-/*
- * The number of FP-SB allocated by the driver == max number of regular L2
- * queues + 1 for the CNIC which also consumes an FP-SB
- */
-#define FP_SB_COUNT(cid_cnt) ((cid_cnt) - CNIC_CONTEXT_USE)
-#define NUM_IGU_SB_REQUIRED(cid_cnt) \
- (FP_SB_COUNT(cid_cnt) - NONE_ETH_CONTEXT_USE)
-
union cdu_context {
struct eth_context eth;
char pad[1024];
/* CDU host DB constants */
#define CDU_ILT_PAGE_SZ_HW 3
-#define CDU_ILT_PAGE_SZ (4096 << CDU_ILT_PAGE_SZ_HW) /* 32K */
+#define CDU_ILT_PAGE_SZ (8192 << CDU_ILT_PAGE_SZ_HW) /* 64K */
#define ILT_PAGE_CIDS (CDU_ILT_PAGE_SZ / sizeof(union cdu_context))
#ifdef BCM_CNIC
/* Public slow path states */
enum {
+ BNX2X_SP_RTNL_SETUP_TC,
BNX2X_SP_RTNL_TX_TIMEOUT,
};
#define BNX2X_STATE_ERROR 0xf000
int multi_mode;
+#define BNX2X_MAX_PRIORITY 8
+#define BNX2X_MAX_ENTRIES_PER_PRI 16
+#define BNX2X_MAX_COS 3
+#define BNX2X_MAX_TX_COS 2
int num_queues;
int disable_tpa;
struct bnx2x_ilt *ilt;
#define BP_ILT(bp) ((bp)->ilt)
#define ILT_MAX_LINES 256
+/*
+ * Maximum supported number of RSS queues: number of IGU SBs minus one that goes
+ * to CNIC.
+ */
+#define BNX2X_MAX_RSS_COUNT(bp) ((bp)->igu_sb_cnt - CNIC_PRESENT)
- int l2_cid_count;
-#define L2_ILT_LINES(bp) (DIV_ROUND_UP((bp)->l2_cid_count, \
- ILT_PAGE_CIDS))
-#define BNX2X_DB_SIZE(bp) ((bp)->l2_cid_count * (1 << BNX2X_DB_SHIFT))
+/*
+ * Maximum CID count that might be required by the bnx2x:
+ * Max Tss * Max_Tx_Multi_Cos + CNIC L2 Clients (FCoE and iSCSI related)
+ */
+#define BNX2X_L2_CID_COUNT(bp) (MAX_TXQS_PER_COS * BNX2X_MULTI_TX_COS +\
+ NON_ETH_CONTEXT_USE + CNIC_PRESENT)
+#define L2_ILT_LINES(bp) (DIV_ROUND_UP(BNX2X_L2_CID_COUNT(bp),\
+ ILT_PAGE_CIDS))
+#define BNX2X_DB_SIZE(bp) (BNX2X_L2_CID_COUNT(bp) * (1 << BNX2X_DB_SHIFT))
int qm_cid_count;
u32 dcbx_remote_flags;
#endif
u32 pending_max;
+
+ /* multiple tx classes of service */
+ u8 max_cos;
+
+ /* priority to cos mapping */
+ u8 prio_to_cos[8];
};
/* Tx queues may be less or equal to Rx queues */
extern int num_queues;
#define BNX2X_NUM_QUEUES(bp) (bp->num_queues)
-#define BNX2X_NUM_ETH_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - NONE_ETH_CONTEXT_USE)
+#define BNX2X_NUM_ETH_QUEUES(bp) (BNX2X_NUM_QUEUES(bp) - NON_ETH_CONTEXT_USE)
+#define BNX2X_NUM_RX_QUEUES(bp) BNX2X_NUM_QUEUES(bp)
#define is_multi(bp) (BNX2X_NUM_QUEUES(bp) > 1)
-#define BNX2X_MAX_QUEUES(bp) (bp->igu_sb_cnt - CNIC_CONTEXT_USE)
+#define BNX2X_MAX_QUEUES(bp) BNX2X_MAX_RSS_COUNT(bp)
+/* #define is_eth_multi(bp) (BNX2X_NUM_ETH_QUEUES(bp) > 1) */
#define RSS_IPV4_CAP_MASK \
TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_IPV4_CAPABILITY
};
#define for_each_eth_queue(bp, var) \
- for (var = 0; var < BNX2X_NUM_ETH_QUEUES(bp); var++)
+ for ((var) = 0; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
#define for_each_nondefault_eth_queue(bp, var) \
- for (var = 1; var < BNX2X_NUM_ETH_QUEUES(bp); var++)
+ for ((var) = 1; (var) < BNX2X_NUM_ETH_QUEUES(bp); (var)++)
#define for_each_queue(bp, var) \
- for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++) \
+ for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
if (skip_queue(bp, var)) \
continue; \
else
+/* Skip forwarding FP */
#define for_each_rx_queue(bp, var) \
- for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++) \
+ for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
if (skip_rx_queue(bp, var)) \
continue; \
else
+/* Skip OOO FP */
#define for_each_tx_queue(bp, var) \
- for (var = 0; var < BNX2X_NUM_QUEUES(bp); var++) \
+ for ((var) = 0; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
if (skip_tx_queue(bp, var)) \
continue; \
else
#define for_each_nondefault_queue(bp, var) \
- for (var = 1; var < BNX2X_NUM_QUEUES(bp); var++) \
+ for ((var) = 1; (var) < BNX2X_NUM_QUEUES(bp); (var)++) \
if (skip_queue(bp, var)) \
continue; \
else
+#define for_each_cos_in_tx_queue(fp, var) \
+ for ((var) = 0; (var) < (fp)->max_cos; (var)++)
+
/* skip rx queue
* if FCOE l2 support is disabled and this is the fcoe L2 queue
*/
/* Restore the NAPI object as it has been already initialized */
fp->napi = orig_napi;
+
+ fp->bp = bp;
+ fp->index = index;
+ if (IS_ETH_FP(fp))
+ fp->max_cos = bp->max_cos;
+ else
+ /* Special queues support only one CoS */
+ fp->max_cos = 1;
+
+ /*
+ * set the tpa flag for each queue. The tpa flag determines the queue
+ * minimal size so it must be set prior to queue memory allocation
+ */
+ fp->disable_tpa = ((bp->flags & TPA_ENABLE_FLAG) == 0);
+
+#ifdef BCM_CNIC
+ /* We don't want TPA on FCoE, FWD and OOO L2 rings */
+ bnx2x_fcoe(bp, disable_tpa) = 1;
+#endif
}
/**
/* free skb in the packet ring at pos idx
* return idx of last bd freed
*/
-static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
+static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata,
u16 idx)
{
- struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
+ struct sw_tx_bd *tx_buf = &txdata->tx_buf_ring[idx];
struct eth_tx_start_bd *tx_start_bd;
struct eth_tx_bd *tx_data_bd;
struct sk_buff *skb = tx_buf->skb;
prefetch(&skb->end);
DP(BNX2X_MSG_FP, "fp[%d]: pkt_idx %d buff @(%p)->skb %p\n",
- fp->index, idx, tx_buf, skb);
+ txdata->txq_index, idx, tx_buf, skb);
/* unmap first bd */
DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
- tx_start_bd = &fp->tx_desc_ring[bd_idx].start_bd;
+ tx_start_bd = &txdata->tx_desc_ring[bd_idx].start_bd;
dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd),
BD_UNMAP_LEN(tx_start_bd), DMA_TO_DEVICE);
while (nbd > 0) {
DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
- tx_data_bd = &fp->tx_desc_ring[bd_idx].reg_bd;
+ tx_data_bd = &txdata->tx_desc_ring[bd_idx].reg_bd;
dma_unmap_page(&bp->pdev->dev, BD_UNMAP_ADDR(tx_data_bd),
BD_UNMAP_LEN(tx_data_bd), DMA_TO_DEVICE);
if (--nbd)
return new_cons;
}
-int bnx2x_tx_int(struct bnx2x_fastpath *fp)
+int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
{
- struct bnx2x *bp = fp->bp;
struct netdev_queue *txq;
- u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
+ u16 hw_cons, sw_cons, bd_cons = txdata->tx_bd_cons;
#ifdef BNX2X_STOP_ON_ERROR
if (unlikely(bp->panic))
return -1;
#endif
- txq = netdev_get_tx_queue(bp->dev, fp->index);
- hw_cons = le16_to_cpu(*fp->tx_cons_sb);
- sw_cons = fp->tx_pkt_cons;
+ txq = netdev_get_tx_queue(bp->dev, txdata->txq_index);
+ hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
+ sw_cons = txdata->tx_pkt_cons;
while (sw_cons != hw_cons) {
u16 pkt_cons;
DP(NETIF_MSG_TX_DONE, "queue[%d]: hw_cons %u sw_cons %u "
" pkt_cons %u\n",
- fp->index, hw_cons, sw_cons, pkt_cons);
+ txdata->txq_index, hw_cons, sw_cons, pkt_cons);
- bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
+ bd_cons = bnx2x_free_tx_pkt(bp, txdata, pkt_cons);
sw_cons++;
}
- fp->tx_pkt_cons = sw_cons;
- fp->tx_bd_cons = bd_cons;
+ txdata->tx_pkt_cons = sw_cons;
+ txdata->tx_bd_cons = bd_cons;
/* Need to make the tx_bd_cons update visible to start_xmit()
* before checking for netif_tx_queue_stopped(). Without the
if ((netif_tx_queue_stopped(txq)) &&
(bp->state == BNX2X_STATE_OPEN) &&
- (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3))
+ (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 3))
netif_tx_wake_queue(txq);
__netif_tx_unlock(txq);
{
struct bnx2x_fastpath *fp = fp_cookie;
struct bnx2x *bp = fp->bp;
+ u8 cos;
DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB "
"[fp %d fw_sd %d igusb %d]\n",
/* Handle Rx and Tx according to MSI-X vector */
prefetch(fp->rx_cons_sb);
- prefetch(fp->tx_cons_sb);
+
+ for_each_cos_in_tx_queue(fp, cos)
+ prefetch(fp->txdata[cos].tx_cons_sb);
+
prefetch(&fp->sb_running_index[SM_RX_ID]);
napi_schedule(&bnx2x_fp(bp, fp->index, napi));
static void bnx2x_free_tx_skbs(struct bnx2x *bp)
{
int i;
+ u8 cos;
for_each_tx_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
+ for_each_cos_in_tx_queue(fp, cos) {
+ struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
- u16 bd_cons = fp->tx_bd_cons;
- u16 sw_prod = fp->tx_pkt_prod;
- u16 sw_cons = fp->tx_pkt_cons;
+ u16 bd_cons = txdata->tx_bd_cons;
+ u16 sw_prod = txdata->tx_pkt_prod;
+ u16 sw_cons = txdata->tx_pkt_cons;
- while (sw_cons != sw_prod) {
- bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
- sw_cons++;
+ while (sw_cons != sw_prod) {
+ bd_cons = bnx2x_free_tx_pkt(bp, txdata,
+ TX_BD(sw_cons));
+ sw_cons++;
+ }
}
}
}
{
if (bp->flags & USING_MSIX_FLAG)
bnx2x_free_msix_irqs(bp, BNX2X_NUM_ETH_QUEUES(bp) +
- CNIC_CONTEXT_USE + 1);
+ CNIC_PRESENT + 1);
else if (bp->flags & USING_MSI_FLAG)
free_irq(bp->pdev->irq, bp->dev);
else
bp->msix_table[msix_vec].entry, bp->msix_table[msix_vec].entry);
msix_vec++;
#endif
+ /* We need separate vectors for ETH queues only (not FCoE) */
for_each_eth_queue(bp, i) {
bp->msix_table[msix_vec].entry = msix_vec;
DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d "
msix_vec++;
}
- req_cnt = BNX2X_NUM_ETH_QUEUES(bp) + CNIC_CONTEXT_USE + 1;
+ req_cnt = BNX2X_NUM_ETH_QUEUES(bp) + CNIC_PRESENT + 1;
rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], req_cnt);
}
i = BNX2X_NUM_ETH_QUEUES(bp);
- offset = 1 + CNIC_CONTEXT_USE;
+ offset = 1 + CNIC_PRESENT;
netdev_info(bp->dev, "using MSI-X IRQs: sp %d fp[%d] %d"
" ... fp[%d] %d\n",
bp->msix_table[0].vector,
/* If ethertype is FCoE or FIP - use FCoE ring */
if ((ether_type == ETH_P_FCOE) || (ether_type == ETH_P_FIP))
- return bnx2x_fcoe(bp, index);
+ return bnx2x_fcoe_tx(bp, txq_index);
}
#endif
/* Select a none-FCoE queue: if FCoE is enabled, exclude FCoE L2 ring
*/
- return __skb_tx_hash(dev, skb,
- dev->real_num_tx_queues - FCOE_CONTEXT_USE);
+ return __skb_tx_hash(dev, skb, BNX2X_NUM_ETH_QUEUES(bp));
}
void bnx2x_set_num_queues(struct bnx2x *bp)
}
/* Add special queues */
- bp->num_queues += NONE_ETH_CONTEXT_USE;
+ bp->num_queues += NON_ETH_CONTEXT_USE;
}
static inline int bnx2x_set_real_num_queues(struct bnx2x *bp)
{
- int rc, num = bp->num_queues;
+ int rc, tx, rx;
-#ifdef BCM_CNIC
- if (NO_FCOE(bp))
- num -= FCOE_CONTEXT_USE;
+ tx = MAX_TXQS_PER_COS * bp->max_cos;
+ rx = BNX2X_NUM_ETH_QUEUES(bp);
+/* account for fcoe queue */
+#ifdef BCM_CNIC
+ if (!NO_FCOE(bp)) {
+ rx += FCOE_PRESENT;
+ tx += FCOE_PRESENT;
+ }
#endif
- netif_set_real_num_tx_queues(bp->dev, num);
- rc = netif_set_real_num_rx_queues(bp->dev, num);
+
+ rc = netif_set_real_num_tx_queues(bp->dev, tx);
+ if (rc) {
+ BNX2X_ERR("Failed to set real number of Tx queues: %d\n", rc);
+ return rc;
+ }
+ rc = netif_set_real_num_rx_queues(bp->dev, rx);
+ if (rc) {
+ BNX2X_ERR("Failed to set real number of Rx queues: %d\n", rc);
+ return rc;
+ }
+
+ DP(NETIF_MSG_DRV, "Setting real num queues to (tx, rx) (%d, %d)\n",
+ tx, rx);
+
return rc;
}
/* must be called before memory allocation and HW init */
bnx2x_ilt_set_info(bp);
- /* zero fastpath structures preserving invariants like napi which are
- * allocated only once
+ /*
+ * Zero fastpath structures preserving invariants like napi, which are
+ * allocated only once, fp index, max_cos, bp pointer.
+ * Also set fp->disable_tpa.
*/
for_each_queue(bp, i)
bnx2x_bz_fp(bp, i);
+
/* Set the receive queues buffer size */
bnx2x_set_rx_buf_size(bp);
- /*
- * set the tpa flag for each queue. The tpa flag determines the queue
- * minimal size so it must be set prior to queue memory allocation
- */
- for_each_queue(bp, i)
- bnx2x_fp(bp, i, disable_tpa) =
- ((bp->flags & TPA_ENABLE_FLAG) == 0);
-
-#ifdef BCM_CNIC
- /* We don't want TPA on FCoE L2 ring */
- bnx2x_fcoe(bp, disable_tpa) = 1;
-#endif
-
if (bnx2x_alloc_mem(bp))
return -ENOMEM;
LOAD_ERROR_EXIT(bp, load_error0);
}
+ /* configure multi cos mappings in kernel.
+ * this configuration may be overriden by a multi class queue discipline
+ * or by a dcbx negotiation result.
+ */
+ bnx2x_setup_tc(bp->dev, bp->max_cos);
+
bnx2x_napi_enable(bp);
/* Send LOAD_REQUEST command to MCP
queue_delayed_work(bnx2x_wq, &bp->period_task, 0);
} else
bp->port.pmf = 0;
+
DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);
/* Init Function state controlling object */
int bnx2x_poll(struct napi_struct *napi, int budget)
{
int work_done = 0;
+ u8 cos;
struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
napi);
struct bnx2x *bp = fp->bp;
}
#endif
- if (bnx2x_has_tx_work(fp))
- bnx2x_tx_int(fp);
+ for_each_cos_in_tx_queue(fp, cos)
+ if (bnx2x_tx_queue_has_work(&fp->txdata[cos]))
+ bnx2x_tx_int(bp, &fp->txdata[cos]);
+
if (bnx2x_has_rx_work(fp)) {
work_done += bnx2x_rx_int(fp, budget - work_done);
* in Other Operating Systems(TM)
*/
static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
- struct bnx2x_fastpath *fp,
+ struct bnx2x_fp_txdata *txdata,
struct sw_tx_bd *tx_buf,
struct eth_tx_start_bd **tx_bd, u16 hlen,
u16 bd_prod, int nbd)
/* now get a new data BD
* (after the pbd) and fill it */
bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- d_tx_bd = &fp->tx_desc_ring[bd_prod].reg_bd;
+ d_tx_bd = &txdata->tx_desc_ring[bd_prod].reg_bd;
mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi),
le32_to_cpu(h_tx_bd->addr_lo)) + hlen;
netdev_tx_t 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 bnx2x_fp_txdata *txdata;
struct sw_tx_bd *tx_buf;
struct eth_tx_start_bd *tx_start_bd, *first_bd;
struct eth_tx_bd *tx_data_bd, *total_pkt_bd = NULL;
struct eth_tx_parse_bd_e2 *pbd_e2 = NULL;
u32 pbd_e2_parsing_data = 0;
u16 pkt_prod, bd_prod;
- int nbd, fp_index;
+ int nbd, txq_index, fp_index, txdata_index;
dma_addr_t mapping;
u32 xmit_type = bnx2x_xmit_type(bp, skb);
int i;
return NETDEV_TX_BUSY;
#endif
- fp_index = skb_get_queue_mapping(skb);
- txq = netdev_get_tx_queue(dev, fp_index);
+ txq_index = skb_get_queue_mapping(skb);
+ txq = netdev_get_tx_queue(dev, txq_index);
+
+ BUG_ON(txq_index >= MAX_ETH_TXQ_IDX(bp) + FCOE_PRESENT);
+
+ /* decode the fastpath index and the cos index from the txq */
+ fp_index = TXQ_TO_FP(txq_index);
+ txdata_index = TXQ_TO_COS(txq_index);
+
+#ifdef BCM_CNIC
+ /*
+ * Override the above for the FCoE queue:
+ * - FCoE fp entry is right after the ETH entries.
+ * - FCoE L2 queue uses bp->txdata[0] only.
+ */
+ if (unlikely(!NO_FCOE(bp) && (txq_index ==
+ bnx2x_fcoe_tx(bp, txq_index)))) {
+ fp_index = FCOE_IDX;
+ txdata_index = 0;
+ }
+#endif
+
+ /* enable this debug print to view the transmission queue being used
+ DP(BNX2X_MSG_FP, "indices: txq %d, fp %d, txdata %d",
+ txq_index, fp_index, txdata_index); */
+ /* locate the fastpath and the txdata */
fp = &bp->fp[fp_index];
+ txdata = &fp->txdata[txdata_index];
+
+ /* enable this debug print to view the tranmission details
+ DP(BNX2X_MSG_FP,"transmitting packet cid %d fp index %d txdata_index %d"
+ " tx_data ptr %p fp pointer %p",
+ txdata->cid, fp_index, txdata_index, txdata, fp); */
- if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) {
+ if (unlikely(bnx2x_tx_avail(bp, txdata) <
+ (skb_shinfo(skb)->nr_frags + 3))) {
fp->eth_q_stats.driver_xoff++;
netif_tx_stop_queue(txq);
BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
DP(NETIF_MSG_TX_QUEUED, "queue[%d]: SKB: summed %x protocol %x "
"protocol(%x,%x) gso type %x xmit_type %x\n",
- fp_index, skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
+ txq_index, skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr,
ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type);
eth = (struct ethhdr *)skb->data;
/* get current pkt produced now - advance it just before sending packet
* since mapping of pages may fail and cause packet to be dropped
*/
- pkt_prod = fp->tx_pkt_prod;
- bd_prod = TX_BD(fp->tx_bd_prod);
+ pkt_prod = txdata->tx_pkt_prod;
+ bd_prod = TX_BD(txdata->tx_bd_prod);
/* get a tx_buf and first BD
* tx_start_bd may be changed during SPLIT,
* but first_bd will always stay first
*/
- tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)];
- tx_start_bd = &fp->tx_desc_ring[bd_prod].start_bd;
+ tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
+ tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
first_bd = tx_start_bd;
tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
SET_FLAG(tx_start_bd->general_data, ETH_TX_START_BD_HDR_NBDS, 1);
/* remember the first BD of the packet */
- tx_buf->first_bd = fp->tx_bd_prod;
+ tx_buf->first_bd = txdata->tx_bd_prod;
tx_buf->skb = skb;
tx_buf->flags = 0;
DP(NETIF_MSG_TX_QUEUED,
"sending pkt %u @%p next_idx %u bd %u @%p\n",
- pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_start_bd);
+ pkt_prod, tx_buf, txdata->tx_pkt_prod, bd_prod, tx_start_bd);
if (vlan_tx_tag_present(skb)) {
tx_start_bd->vlan_or_ethertype =
bnx2x_set_sbd_csum(bp, skb, tx_start_bd, xmit_type);
if (!CHIP_IS_E1x(bp)) {
- pbd_e2 = &fp->tx_desc_ring[bd_prod].parse_bd_e2;
+ pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
/* Set PBD in checksum offload case */
if (xmit_type & XMIT_CSUM)
eth->h_dest);
}
} else {
- pbd_e1x = &fp->tx_desc_ring[bd_prod].parse_bd_e1x;
+ pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
/* Set PBD in checksum offload case */
if (xmit_type & XMIT_CSUM)
tx_start_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
if (unlikely(skb_headlen(skb) > hlen))
- bd_prod = bnx2x_tx_split(bp, fp, tx_buf, &tx_start_bd,
- hlen, bd_prod, ++nbd);
+ bd_prod = bnx2x_tx_split(bp, txdata, tx_buf,
+ &tx_start_bd, hlen,
+ bd_prod, ++nbd);
if (!CHIP_IS_E1x(bp))
bnx2x_set_pbd_gso_e2(skb, &pbd_e2_parsing_data,
xmit_type);
* before call to bnx2x_free_tx_pkt
*/
first_bd->nbd = cpu_to_le16(nbd);
- bnx2x_free_tx_pkt(bp, fp, TX_BD(fp->tx_pkt_prod));
+ bnx2x_free_tx_pkt(bp, txdata,
+ TX_BD(txdata->tx_pkt_prod));
return NETDEV_TX_OK;
}
bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- tx_data_bd = &fp->tx_desc_ring[bd_prod].reg_bd;
+ tx_data_bd = &txdata->tx_desc_ring[bd_prod].reg_bd;
if (total_pkt_bd == NULL)
- total_pkt_bd = &fp->tx_desc_ring[bd_prod].reg_bd;
+ total_pkt_bd = &txdata->tx_desc_ring[bd_prod].reg_bd;
tx_data_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
tx_data_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
pbd_e2->parsing_data);
DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod);
- fp->tx_pkt_prod++;
+ txdata->tx_pkt_prod++;
/*
* Make sure that the BD data is updated before updating the producer
* since FW might read the BD right after the producer is updated.
*/
wmb();
- fp->tx_db.data.prod += nbd;
+ txdata->tx_db.data.prod += nbd;
barrier();
- DOORBELL(bp, fp->cid, fp->tx_db.raw);
+ DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
mmiowb();
- fp->tx_bd_prod += nbd;
+ txdata->tx_bd_prod += nbd;
- if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
+ if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_SKB_FRAGS + 3)) {
netif_tx_stop_queue(txq);
/* paired memory barrier is in bnx2x_tx_int(), we have to keep
smp_mb();
fp->eth_q_stats.driver_xoff++;
- if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
+ if (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 3)
netif_tx_wake_queue(txq);
}
- fp->tx_pkt++;
+ txdata->tx_pkt++;
return NETDEV_TX_OK;
}
+/**
+ * bnx2x_setup_tc - routine to configure net_device for multi tc
+ *
+ * @netdev: net device to configure
+ * @tc: number of traffic classes to enable
+ *
+ * callback connected to the ndo_setup_tc function pointer
+ */
+int bnx2x_setup_tc(struct net_device *dev, u8 num_tc)
+{
+ int cos, prio, count, offset;
+ struct bnx2x *bp = netdev_priv(dev);
+
+ /* setup tc must be called under rtnl lock */
+ ASSERT_RTNL();
+
+ /* no traffic classes requested. aborting */
+ if (!num_tc) {
+ netdev_reset_tc(dev);
+ return 0;
+ }
+
+ /* requested to support too many traffic classes */
+ if (num_tc > bp->max_cos) {
+ DP(NETIF_MSG_TX_ERR, "support for too many traffic classes"
+ " requested: %d. max supported is %d",
+ num_tc, bp->max_cos);
+ return -EINVAL;
+ }
+
+ /* declare amount of supported traffic classes */
+ if (netdev_set_num_tc(dev, num_tc)) {
+ DP(NETIF_MSG_TX_ERR, "failed to declare %d traffic classes",
+ num_tc);
+ return -EINVAL;
+ }
+
+ /* configure priority to traffic class mapping */
+ for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) {
+ netdev_set_prio_tc_map(dev, prio, bp->prio_to_cos[prio]);
+ DP(BNX2X_MSG_SP, "mapping priority %d to tc %d",
+ prio, bp->prio_to_cos[prio]);
+ }
+
+
+ /* Use this configuration to diffrentiate tc0 from other COSes
+ This can be used for ets or pfc, and save the effort of setting
+ up a multio class queue disc or negotiating DCBX with a switch
+ netdev_set_prio_tc_map(dev, 0, 0);
+ DP(BNX2X_MSG_SP, "mapping priority %d to tc %d", 0, 0);
+ for (prio = 1; prio < 16; prio++) {
+ netdev_set_prio_tc_map(dev, prio, 1);
+ DP(BNX2X_MSG_SP, "mapping priority %d to tc %d", prio, 1);
+ } */
+
+ /* configure traffic class to transmission queue mapping */
+ for (cos = 0; cos < bp->max_cos; cos++) {
+ count = BNX2X_NUM_ETH_QUEUES(bp);
+ offset = cos * MAX_TXQS_PER_COS;
+ netdev_set_tc_queue(dev, cos, count, offset);
+ DP(BNX2X_MSG_SP, "mapping tc %d to offset %d count %d",
+ cos, offset, count);
+ }
+
+ return 0;
+}
+
/* called with rtnl_lock */
int bnx2x_change_mac_addr(struct net_device *dev, void *p)
{
{
union host_hc_status_block *sb = &bnx2x_fp(bp, fp_index, status_blk);
struct bnx2x_fastpath *fp = &bp->fp[fp_index];
+ u8 cos;
/* Common */
#ifdef BCM_CNIC
/* Tx */
if (!skip_tx_queue(bp, fp_index)) {
/* fastpath tx rings: tx_buf tx_desc */
- BNX2X_FREE(bnx2x_fp(bp, fp_index, tx_buf_ring));
- BNX2X_PCI_FREE(bnx2x_fp(bp, fp_index, tx_desc_ring),
- bnx2x_fp(bp, fp_index, tx_desc_mapping),
- sizeof(union eth_tx_bd_types) * NUM_TX_BD);
+ for_each_cos_in_tx_queue(fp, cos) {
+ struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
+
+ DP(BNX2X_MSG_SP,
+ "freeing tx memory of fp %d cos %d cid %d",
+ fp_index, cos, txdata->cid);
+
+ BNX2X_FREE(txdata->tx_buf_ring);
+ BNX2X_PCI_FREE(txdata->tx_desc_ring,
+ txdata->tx_desc_mapping,
+ sizeof(union eth_tx_bd_types) * NUM_TX_BD);
+ }
}
/* end of fastpath */
}
union host_hc_status_block *sb;
struct bnx2x_fastpath *fp = &bp->fp[index];
int ring_size = 0;
+ u8 cos;
/* if rx_ring_size specified - use it */
int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size :
- MAX_RX_AVAIL/bp->num_queues;
+ MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp);
/* allocate at least number of buffers required by FW */
- rx_ring_size = max_t(int, fp->disable_tpa ? MIN_RX_SIZE_NONTPA :
+ rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
MIN_RX_SIZE_TPA,
rx_ring_size);
- bnx2x_fp(bp, index, bp) = bp;
- bnx2x_fp(bp, index, index) = index;
-
/* Common */
sb = &bnx2x_fp(bp, index, status_blk);
#ifdef BCM_CNIC
/* Tx */
if (!skip_tx_queue(bp, index)) {
/* fastpath tx rings: tx_buf tx_desc */
- BNX2X_ALLOC(bnx2x_fp(bp, index, tx_buf_ring),
+ for_each_cos_in_tx_queue(fp, cos) {
+ struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
+
+ DP(BNX2X_MSG_SP, "allocating tx memory of "
+ "fp %d cos %d",
+ index, cos);
+
+ BNX2X_ALLOC(txdata->tx_buf_ring,
sizeof(struct sw_tx_bd) * NUM_TX_BD);
- BNX2X_PCI_ALLOC(bnx2x_fp(bp, index, tx_desc_ring),
- &bnx2x_fp(bp, index, tx_desc_mapping),
+ BNX2X_PCI_ALLOC(txdata->tx_desc_ring,
+ &txdata->tx_desc_mapping,
sizeof(union eth_tx_bd_types) * NUM_TX_BD);
+ }
}
/* Rx */
index, ring_size);
/* FW will drop all packets if queue is not big enough,
* In these cases we disable the queue
- * Min size diferent for TPA and non-TPA queues
+ * Min size is different for OOO, TPA and non-TPA queues
*/
if (ring_size < (fp->disable_tpa ?
MIN_RX_SIZE_NONTPA : MIN_RX_SIZE_TPA)) {
/**
* 1. Allocate FP for leading - fatal if error
* 2. {CNIC} Allocate FCoE FP - fatal if error
- * 3. Allocate RSS - fix number of queues if error
+ * 3. {CNIC} Allocate OOO + FWD - disable OOO if error
+ * 4. Allocate RSS - fix number of queues if error
*/
/* leading */
if (bnx2x_alloc_fp_mem_at(bp, 0))
return -ENOMEM;
+
#ifdef BCM_CNIC
if (!NO_FCOE(bp))
/* FCoE */
*/
return -ENOMEM;
#endif
+
/* RSS */
for_each_nondefault_eth_queue(bp, i)
if (bnx2x_alloc_fp_mem_at(bp, i))
* FCOE_IDX < FWD_IDX < OOO_IDX
*/
- /* move FCoE fp */
+ /* move FCoE fp even NO_FCOE_FLAG is on */
bnx2x_move_fp(bp, FCOE_IDX, FCOE_IDX - delta);
#endif
bp->num_queues -= delta;
struct bnx2x_fastpath *fp;
struct msix_entry *tbl;
struct bnx2x_ilt *ilt;
+ int msix_table_size = 0;
+
+ /*
+ * The biggest MSI-X table we might need is as a maximum number of fast
+ * path IGU SBs plus default SB (for PF).
+ */
+ msix_table_size = bp->igu_sb_cnt + 1;
- /* fp array */
- fp = kzalloc(L2_FP_COUNT(bp->l2_cid_count)*sizeof(*fp), GFP_KERNEL);
+ /* fp array: RSS plus CNIC related L2 queues */
+ fp = kzalloc((BNX2X_MAX_RSS_COUNT(bp) + NON_ETH_CONTEXT_USE) *
+ sizeof(*fp), GFP_KERNEL);
if (!fp)
goto alloc_err;
bp->fp = fp;
/* msix table */
- tbl = kzalloc((FP_SB_COUNT(bp->l2_cid_count) + 1) * sizeof(*tbl),
- GFP_KERNEL);
+ tbl = kzalloc(msix_table_size * sizeof(*tbl), GFP_KERNEL);
if (!tbl)
goto alloc_err;
bp->msix_table = tbl;
/* hard_xmit callback */
netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev);
+/* setup_tc callback */
+int bnx2x_setup_tc(struct net_device *dev, u8 num_tc);
+
/* select_queue callback */
u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb);
u16 bd_prod, u16 rx_comp_prod, u16 rx_sge_prod);
/* NAPI poll Tx part */
-int bnx2x_tx_int(struct bnx2x_fastpath *fp);
+int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata);
/* suspend/resume callbacks */
int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state);
return bnx2x_igu_ack_int(bp);
}
-static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp)
+static inline int bnx2x_has_tx_work_unload(struct bnx2x_fp_txdata *txdata)
{
/* Tell compiler that consumer and producer can change */
barrier();
- return fp->tx_pkt_prod != fp->tx_pkt_cons;
+ return txdata->tx_pkt_prod != txdata->tx_pkt_cons;
}
-static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
+static inline u16 bnx2x_tx_avail(struct bnx2x *bp,
+ struct bnx2x_fp_txdata *txdata)
{
s16 used;
u16 prod;
u16 cons;
- prod = fp->tx_bd_prod;
- cons = fp->tx_bd_cons;
+ prod = txdata->tx_bd_prod;
+ cons = txdata->tx_bd_cons;
/* NUM_TX_RINGS = number of "next-page" entries
It will be used as a threshold */
#ifdef BNX2X_STOP_ON_ERROR
WARN_ON(used < 0);
- WARN_ON(used > fp->bp->tx_ring_size);
- WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL);
+ WARN_ON(used > bp->tx_ring_size);
+ WARN_ON((bp->tx_ring_size - used) > MAX_TX_AVAIL);
#endif
- return (s16)(fp->bp->tx_ring_size) - used;
+ return (s16)(bp->tx_ring_size) - used;
}
-static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
+static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata)
{
u16 hw_cons;
/* Tell compiler that status block fields can change */
barrier();
- hw_cons = le16_to_cpu(*fp->tx_cons_sb);
- return hw_cons != fp->tx_pkt_cons;
+ hw_cons = le16_to_cpu(*txdata->tx_cons_sb);
+ return hw_cons != txdata->tx_pkt_cons;
+}
+
+static inline bool bnx2x_has_tx_work(struct bnx2x_fastpath *fp)
+{
+ u8 cos;
+ for_each_cos_in_tx_queue(fp, cos)
+ if (bnx2x_tx_queue_has_work(&fp->txdata[cos]))
+ return true;
+ return false;
}
static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp)
/* Function parameters */
start_params->mf_mode = bp->mf_mode;
start_params->sd_vlan_tag = bp->mf_ov;
+ if (CHIP_IS_E1x(bp))
start_params->network_cos_mode = OVERRIDE_COS;
+ else
+ start_params->network_cos_mode = STATIC_COS;
return bnx2x_func_state_change(bp, &func_params);
}
}
}
-static inline void bnx2x_init_tx_ring_one(struct bnx2x_fastpath *fp)
+static inline void bnx2x_init_tx_ring_one(struct bnx2x_fp_txdata *txdata)
{
int i;
for (i = 1; i <= NUM_TX_RINGS; i++) {
struct eth_tx_next_bd *tx_next_bd =
- &fp->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
+ &txdata->tx_desc_ring[TX_DESC_CNT * i - 1].next_bd;
tx_next_bd->addr_hi =
- cpu_to_le32(U64_HI(fp->tx_desc_mapping +
+ cpu_to_le32(U64_HI(txdata->tx_desc_mapping +
BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
tx_next_bd->addr_lo =
- cpu_to_le32(U64_LO(fp->tx_desc_mapping +
+ cpu_to_le32(U64_LO(txdata->tx_desc_mapping +
BCM_PAGE_SIZE*(i % NUM_TX_RINGS)));
}
- SET_FLAG(fp->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
- fp->tx_db.data.zero_fill1 = 0;
- fp->tx_db.data.prod = 0;
+ SET_FLAG(txdata->tx_db.data.header.header, DOORBELL_HDR_DB_TYPE, 1);
+ txdata->tx_db.data.zero_fill1 = 0;
+ txdata->tx_db.data.prod = 0;
- fp->tx_pkt_prod = 0;
- fp->tx_pkt_cons = 0;
- fp->tx_bd_prod = 0;
- fp->tx_bd_cons = 0;
- fp->tx_pkt = 0;
+ txdata->tx_pkt_prod = 0;
+ txdata->tx_pkt_cons = 0;
+ txdata->tx_bd_prod = 0;
+ txdata->tx_bd_cons = 0;
+ txdata->tx_pkt = 0;
}
static inline void bnx2x_init_tx_rings(struct bnx2x *bp)
{
int i;
+ u8 cos;
for_each_tx_queue(bp, i)
- bnx2x_init_tx_ring_one(&bp->fp[i]);
+ for_each_cos_in_tx_queue(&bp->fp[i], cos)
+ bnx2x_init_tx_ring_one(&bp->fp[i].txdata[cos]);
}
static inline void bnx2x_set_next_page_rx_bd(struct bnx2x_fastpath *fp)
return USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
}
+static inline void bnx2x_init_txdata(struct bnx2x *bp,
+ struct bnx2x_fp_txdata *txdata, u32 cid, int txq_index,
+ __le16 *tx_cons_sb)
+{
+ txdata->cid = cid;
+ txdata->txq_index = txq_index;
+ txdata->tx_cons_sb = tx_cons_sb;
+
+ DP(BNX2X_MSG_SP, "created tx data cid %d, txq %d",
+ txdata->cid, txdata->txq_index);
+}
#ifdef BCM_CNIC
static inline u8 bnx2x_cnic_eth_cl_id(struct bnx2x *bp, u8 cl_idx)
{
return bp->cnic_base_cl_id + cl_idx +
- (bp->pf_num >> 1) * NONE_ETH_CONTEXT_USE;
+ (bp->pf_num >> 1) * NON_ETH_CONTEXT_USE;
}
static inline u8 bnx2x_cnic_fw_sb_id(struct bnx2x *bp)
bnx2x_fcoe(bp, cid) = BNX2X_FCOE_ETH_CID;
bnx2x_fcoe(bp, fw_sb_id) = DEF_SB_ID;
bnx2x_fcoe(bp, igu_sb_id) = bp->igu_dsb_id;
- bnx2x_fcoe(bp, bp) = bp;
- bnx2x_fcoe(bp, index) = FCOE_IDX;
bnx2x_fcoe(bp, rx_cons_sb) = BNX2X_FCOE_L2_RX_INDEX;
- bnx2x_fcoe(bp, tx_cons_sb) = BNX2X_FCOE_L2_TX_INDEX;
+
+ bnx2x_init_txdata(bp, &bnx2x_fcoe(bp, txdata[0]),
+ fp->cid, FCOE_TXQ_IDX(bp), BNX2X_FCOE_L2_TX_INDEX);
+
+ DP(BNX2X_MSG_SP, "created fcoe tx data (fp index %d)", fp->index);
+
/* qZone id equals to FW (per path) client id */
bnx2x_fcoe(bp, cl_qzone_id) = bnx2x_fp_qzone_id(fp);
/* init shortcut */
/* Configure Queue State object */
__set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
__set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
- bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, fp->cid, BP_FUNC(bp),
- bnx2x_sp(bp, q_rdata), bnx2x_sp_mapping(bp, q_rdata),
- q_type);
+
+ /* No multi-CoS for FCoE L2 client */
+ BUG_ON(fp->max_cos != 1);
+
+ bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, &fp->cid, 1,
+ BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
+ bnx2x_sp_mapping(bp, q_rdata), q_type);
DP(NETIF_MSG_IFUP, "queue[%d]: bnx2x_init_sb(%p,%p) cl_id %d fw_sb %d "
"igu_sb %d\n",
#endif
static inline int bnx2x_clean_tx_queue(struct bnx2x *bp,
- struct bnx2x_fastpath *fp)
+ struct bnx2x_fp_txdata *txdata)
{
int cnt = 1000;
- while (bnx2x_has_tx_work_unload(fp)) {
+ while (bnx2x_has_tx_work_unload(txdata)) {
if (!cnt) {
BNX2X_ERR("timeout waiting for queue[%d]: "
- "fp->tx_pkt_prod(%d) != fp->tx_pkt_cons(%d)\n",
- fp->index, fp->tx_pkt_prod, fp->tx_pkt_cons);
+ "txdata->tx_pkt_prod(%d) != txdata->tx_pkt_cons(%d)\n",
+ txdata->txq_index, txdata->tx_pkt_prod,
+ txdata->tx_pkt_cons);
#ifdef BNX2X_STOP_ON_ERROR
bnx2x_panic();
return -EBUSY;
}
}
+static inline void bnx2x_dcbx_update_tc_mapping(struct bnx2x *bp)
+{
+ u8 prio, cos;
+ for (cos = 0; cos < bp->dcbx_port_params.ets.num_of_cos; cos++) {
+ for (prio = 0; prio < BNX2X_MAX_PRIORITY; prio++) {
+ if (bp->dcbx_port_params.ets.cos_params[cos].pri_bitmask
+ & (1 << prio)) {
+ bp->prio_to_cos[prio] = cos;
+ }
+ }
+ }
+
+ /* setup tc must be called under rtnl lock, but we can't take it here
+ * as we are handling an attetntion on a work queue which must be
+ * flushed at some rtnl-locked contexts (e.g. if down)
+ */
+ if (!test_and_set_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
+ schedule_delayed_work(&bp->sp_rtnl_task, 0);
+}
+
void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
{
switch (state) {
#endif
bnx2x_dcbx_stop_hw_tx(bp);
+ /* reconfigure the netdevice with the results of the new
+ * dcbx negotiation.
+ */
+ bnx2x_dcbx_update_tc_mapping(bp);
+
return;
}
case BNX2X_DCBX_STATE_TX_PAUSED:
unsigned char *packet;
struct bnx2x_fastpath *fp_rx = &bp->fp[0];
struct bnx2x_fastpath *fp_tx = &bp->fp[0];
+ struct bnx2x_fp_txdata *txdata = &fp_tx->txdata[0];
u16 tx_start_idx, tx_idx;
u16 rx_start_idx, rx_idx;
u16 pkt_prod, bd_prod, rx_comp_cons;
/* send the loopback packet */
num_pkts = 0;
- tx_start_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
+ tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
- pkt_prod = fp_tx->tx_pkt_prod++;
- tx_buf = &fp_tx->tx_buf_ring[TX_BD(pkt_prod)];
- tx_buf->first_bd = fp_tx->tx_bd_prod;
+ pkt_prod = txdata->tx_pkt_prod++;
+ tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
+ tx_buf->first_bd = txdata->tx_bd_prod;
tx_buf->skb = skb;
tx_buf->flags = 0;
- bd_prod = TX_BD(fp_tx->tx_bd_prod);
- tx_start_bd = &fp_tx->tx_desc_ring[bd_prod].start_bd;
+ bd_prod = TX_BD(txdata->tx_bd_prod);
+ tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
/* turn on parsing and get a BD */
bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
- pbd_e1x = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e1x;
- pbd_e2 = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e2;
+ pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
+ pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
wmb();
- fp_tx->tx_db.data.prod += 2;
+ txdata->tx_db.data.prod += 2;
barrier();
- DOORBELL(bp, fp_tx->index, fp_tx->tx_db.raw);
+ DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
mmiowb();
barrier();
num_pkts++;
- fp_tx->tx_bd_prod += 2; /* start + pbd */
+ txdata->tx_bd_prod += 2; /* start + pbd */
udelay(100);
- tx_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
+ tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
if (tx_idx != tx_start_idx + num_pkts)
goto test_loopback_exit;
* bnx2x_tx_int()), as both are taking netif_tx_lock().
*/
local_bh_disable();
- bnx2x_tx_int(fp_tx);
+ bnx2x_tx_int(bp, txdata);
local_bh_enable();
}
#define BCM_5710_FW_MAJOR_VERSION 7
#define BCM_5710_FW_MINOR_VERSION 0
-#define BCM_5710_FW_REVISION_VERSION 20
+#define BCM_5710_FW_REVISION_VERSION 23
#define BCM_5710_FW_ENGINEERING_VERSION 0
#define BCM_5710_FW_COMPILE_FLAGS 1
MODE_MF_NIV = 0x00000800,
MODE_E3_A0 = 0x00001000,
MODE_E3_B0 = 0x00002000,
- MODE_COS_BC = 0x00004000,
- MODE_COS3 = 0x00008000,
- MODE_COS6 = 0x00010000,
- MODE_LITTLE_ENDIAN = 0x00020000,
- MODE_BIG_ENDIAN = 0x00040000,
+ MODE_COS3 = 0x00004000,
+ MODE_COS6 = 0x00008000,
+ MODE_LITTLE_ENDIAN = 0x00010000,
+ MODE_BIG_ENDIAN = 0x00020000,
};
/* Init Blocks */
#define BNX2X_TOE_Q 3
#define BNX2X_TOE_ACK_Q 6
#define BNX2X_ISCSI_Q 9
-#define BNX2X_ISCSI_ACK_Q 8
+#define BNX2X_ISCSI_ACK_Q 11
#define BNX2X_FCOE_Q 10
/* Vnics per mode */
}
/* Configures the QM according to the specified per-traffic-type COSes */
-static inline void bnx2x_dcb_config_qm(struct bnx2x *bp,
+static inline void bnx2x_dcb_config_qm(struct bnx2x *bp, enum cos_mode mode,
struct priority_cos *traffic_cos)
{
bnx2x_map_q_cos(bp, BNX2X_FCOE_Q,
traffic_cos[LLFC_TRAFFIC_TYPE_FCOE].cos);
bnx2x_map_q_cos(bp, BNX2X_ISCSI_Q,
traffic_cos[LLFC_TRAFFIC_TYPE_ISCSI].cos);
- if (INIT_MODE_FLAGS(bp) & MODE_COS_BC) {
+ bnx2x_map_q_cos(bp, BNX2X_ISCSI_ACK_Q,
+ traffic_cos[LLFC_TRAFFIC_TYPE_ISCSI].cos);
+ if (mode != STATIC_COS) {
/* required only in backward compatible COS mode */
bnx2x_map_q_cos(bp, BNX2X_ETH_Q,
traffic_cos[LLFC_TRAFFIC_TYPE_NW].cos);
traffic_cos[LLFC_TRAFFIC_TYPE_NW].cos);
bnx2x_map_q_cos(bp, BNX2X_TOE_ACK_Q,
traffic_cos[LLFC_TRAFFIC_TYPE_NW].cos);
- bnx2x_map_q_cos(bp, BNX2X_ISCSI_ACK_Q,
- traffic_cos[LLFC_TRAFFIC_TYPE_ISCSI].cos);
}
}
int func = BP_FUNC(bp);
#ifdef BNX2X_STOP_ON_ERROR
u16 start = 0, end = 0;
+ u8 cos;
#endif
bp->stats_state = STATS_STATE_DISABLED;
CHIP_IS_E1x(bp) ?
sb_data_e1x.index_data :
sb_data_e2.index_data;
- int data_size;
+ u8 data_size, cos;
u32 *sb_data_p;
+ struct bnx2x_fp_txdata txdata;
/* Rx */
BNX2X_ERR("fp%d: rx_bd_prod(0x%x) rx_bd_cons(0x%x)"
le16_to_cpu(fp->fp_hc_idx));
/* Tx */
- BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
- " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
- " *tx_cons_sb(0x%x)\n",
- i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
- fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
+ for_each_cos_in_tx_queue(fp, cos)
+ {
+ txdata = fp->txdata[cos];
+ BNX2X_ERR("fp%d: tx_pkt_prod(0x%x) tx_pkt_cons(0x%x)"
+ " tx_bd_prod(0x%x) tx_bd_cons(0x%x)"
+ " *tx_cons_sb(0x%x)\n",
+ i, txdata.tx_pkt_prod,
+ txdata.tx_pkt_cons, txdata.tx_bd_prod,
+ txdata.tx_bd_cons,
+ le16_to_cpu(*txdata.tx_cons_sb));
+ }
loop = CHIP_IS_E1x(bp) ?
HC_SB_MAX_INDICES_E1X : HC_SB_MAX_INDICES_E2;
/* Tx */
for_each_tx_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
+ for_each_cos_in_tx_queue(fp, cos) {
+ struct bnx2x_fp_txdata *txdata = &fp->txdata[cos];
+
+ start = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) - 10);
+ end = TX_BD(le16_to_cpu(*txdata->tx_cons_sb) + 245);
+ for (j = start; j != end; j = TX_BD(j + 1)) {
+ struct sw_tx_bd *sw_bd =
+ &txdata->tx_buf_ring[j];
+
+ BNX2X_ERR("fp%d: txdata %d, "
+ "packet[%x]=[%p,%x]\n",
+ i, cos, j, sw_bd->skb,
+ sw_bd->first_bd);
+ }
- start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
- end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
- for (j = start; j != end; j = TX_BD(j + 1)) {
- struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
-
- BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
- i, j, sw_bd->skb, sw_bd->first_bd);
- }
-
- start = TX_BD(fp->tx_bd_cons - 10);
- end = TX_BD(fp->tx_bd_cons + 254);
- for (j = start; j != end; j = TX_BD(j + 1)) {
- u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
+ start = TX_BD(txdata->tx_bd_cons - 10);
+ end = TX_BD(txdata->tx_bd_cons + 254);
+ for (j = start; j != end; j = TX_BD(j + 1)) {
+ u32 *tx_bd = (u32 *)&txdata->tx_desc_ring[j];
- BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
- i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
+ BNX2X_ERR("fp%d: txdata %d, tx_bd[%x]="
+ "[%x:%x:%x:%x]\n",
+ i, cos, j, tx_bd[0], tx_bd[1],
+ tx_bd[2], tx_bd[3]);
+ }
}
}
#endif
BNX2X_ERR("BUG! proper val not read from IGU!\n");
}
-static void bnx2x_int_disable(struct bnx2x *bp)
+void bnx2x_int_disable(struct bnx2x *bp)
{
if (bp->common.int_block == INT_BLOCK_HC)
bnx2x_hc_int_disable(bp);
drv_cmd = BNX2X_Q_CMD_SETUP;
break;
+ case (RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP):
+ DP(NETIF_MSG_IFUP, "got MULTI[%d] tx-only setup ramrod\n", cid);
+ drv_cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
+ break;
+
case (RAMROD_CMD_ID_ETH_HALT):
DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
drv_cmd = BNX2X_Q_CMD_HALT;
u16 status = bnx2x_ack_int(bp);
u16 mask;
int i;
+ u8 cos;
/* Return here if interrupt is shared and it's not for us */
if (unlikely(status == 0)) {
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
- mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
+ mask = 0x2 << (fp->index + CNIC_PRESENT);
if (status & mask) {
/* Handle Rx or Tx according to SB id */
prefetch(fp->rx_cons_sb);
- prefetch(fp->tx_cons_sb);
+ for_each_cos_in_tx_queue(fp, cos)
+ prefetch(fp->txdata[cos].tx_cons_sb);
prefetch(&fp->sb_running_index[SM_RX_ID]);
napi_schedule(&bnx2x_fp(bp, fp->index, napi));
status &= ~mask;
}
}
-static inline unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
- struct bnx2x_fastpath *fp,
- bool leading)
+/**
+ * bnx2x_get_tx_only_flags - Return common flags
+ *
+ * @bp device handle
+ * @fp queue handle
+ * @zero_stats TRUE if statistics zeroing is needed
+ *
+ * Return the flags that are common for the Tx-only and not normal connections.
+ */
+static inline unsigned long bnx2x_get_common_flags(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp,
+ bool zero_stats)
{
unsigned long flags = 0;
/* PF driver will always initialize the Queue to an ACTIVE state */
__set_bit(BNX2X_Q_FLG_ACTIVE, &flags);
+ /* tx only connections collect statistics (on the same index as the
+ * parent connection). The statistics are zeroed when the parent
+ * connection is initialized.
+ */
+ if (stat_counter_valid(bp, fp)) {
+ __set_bit(BNX2X_Q_FLG_STATS, &flags);
+ if (zero_stats)
+ __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
+ }
+
+ return flags;
+}
+
+static inline unsigned long bnx2x_get_q_flags(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp,
+ bool leading)
+{
+ unsigned long flags = 0;
+
/* calculate other queue flags */
if (IS_MF_SD(bp))
__set_bit(BNX2X_Q_FLG_OV, &flags);
if (!fp->disable_tpa)
__set_bit(BNX2X_Q_FLG_TPA, &flags);
- if (stat_counter_valid(bp, fp)) {
- __set_bit(BNX2X_Q_FLG_STATS, &flags);
- __set_bit(BNX2X_Q_FLG_ZERO_STATS, &flags);
- }
-
if (leading) {
__set_bit(BNX2X_Q_FLG_LEADING_RSS, &flags);
__set_bit(BNX2X_Q_FLG_MCAST, &flags);
/* Always set HW VLAN stripping */
__set_bit(BNX2X_Q_FLG_VLAN, &flags);
- return flags;
+
+ return flags | bnx2x_get_common_flags(bp, fp, true);
}
static void bnx2x_pf_q_prep_general(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init)
+ struct bnx2x_fastpath *fp, struct bnx2x_general_setup_params *gen_init,
+ u8 cos)
{
gen_init->stat_id = bnx2x_stats_id(fp);
gen_init->spcl_id = fp->cl_id;
gen_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
else
gen_init->mtu = bp->dev->mtu;
+
+ gen_init->cos = cos;
}
static void bnx2x_pf_rx_q_prep(struct bnx2x *bp,
if (IS_FCOE_FP(fp))
rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
else
- rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
+ rxq_init->sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
}
static void bnx2x_pf_tx_q_prep(struct bnx2x *bp,
- struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init)
+ struct bnx2x_fastpath *fp, struct bnx2x_txq_setup_params *txq_init,
+ u8 cos)
{
- txq_init->dscr_map = fp->tx_desc_mapping;
- txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
+ txq_init->dscr_map = fp->txdata[cos].tx_desc_mapping;
+ txq_init->sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS + cos;
txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
txq_init->fw_sb_id = fp->fw_sb_id;
static inline bool bnx2x_is_contextless_ramrod(int cmd, int cmd_type)
{
if ((cmd_type == NONE_CONNECTION_TYPE) ||
+ (cmd == RAMROD_CMD_ID_ETH_FORWARD_SETUP) ||
(cmd == RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES) ||
(cmd == RAMROD_CMD_ID_ETH_FILTER_RULES) ||
(cmd == RAMROD_CMD_ID_ETH_MULTICAST_RULES) ||
static inline struct bnx2x_queue_sp_obj *bnx2x_cid_to_q_obj(
struct bnx2x *bp, u32 cid)
{
+ DP(BNX2X_MSG_SP, "retrieving fp from cid %d", cid);
#ifdef BCM_CNIC
if (cid == BNX2X_FCOE_ETH_CID)
return &bnx2x_fcoe(bp, q_obj);
else
#endif
- return &bnx2x_fp(bp, cid, q_obj);
+ return &bnx2x_fp(bp, CID_TO_FP(cid), q_obj);
}
static void bnx2x_eq_int(struct bnx2x *bp)
static void bnx2x_timer(unsigned long data)
{
+ u8 cos;
struct bnx2x *bp = (struct bnx2x *) data;
if (!netif_running(bp->dev))
if (poll) {
struct bnx2x_fastpath *fp = &bp->fp[0];
- bnx2x_tx_int(fp);
+ for_each_cos_in_tx_queue(fp, cos)
+ bnx2x_tx_int(bp, &fp->txdata[cos]);
bnx2x_rx_int(fp, 1000);
}
static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u8 fw_sb_id,
u16 tx_usec, u16 rx_usec)
{
- bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
+ bnx2x_update_coalesce_sb_index(bp, fw_sb_id, HC_INDEX_ETH_RX_CQ_CONS,
false, rx_usec);
- bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
- false, tx_usec);
+ bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
+ HC_INDEX_ETH_TX_CQ_CONS_COS0, false,
+ tx_usec);
+ bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
+ HC_INDEX_ETH_TX_CQ_CONS_COS1, false,
+ tx_usec);
+ bnx2x_update_coalesce_sb_index(bp, fw_sb_id,
+ HC_INDEX_ETH_TX_CQ_CONS_COS2, false,
+ tx_usec);
}
static void bnx2x_init_def_sb(struct bnx2x *bp)
static inline u8 bnx2x_fp_igu_sb_id(struct bnx2x_fastpath *fp)
{
- return fp->bp->igu_base_sb + fp->index + CNIC_CONTEXT_USE;
+ return fp->bp->igu_base_sb + fp->index + CNIC_PRESENT;
}
static inline u8 bnx2x_fp_fw_sb_id(struct bnx2x_fastpath *fp)
{
- return fp->bp->base_fw_ndsb + fp->index + CNIC_CONTEXT_USE;
+ return fp->bp->base_fw_ndsb + fp->index + CNIC_PRESENT;
}
static inline u8 bnx2x_fp_cl_id(struct bnx2x_fastpath *fp)
return bnx2x_fp_igu_sb_id(fp);
}
-static void bnx2x_init_fp(struct bnx2x *bp, int fp_idx)
+static void bnx2x_init_eth_fp(struct bnx2x *bp, int fp_idx)
{
struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
+ u8 cos;
unsigned long q_type = 0;
+ u32 cids[BNX2X_MULTI_TX_COS] = { 0 };
fp->cid = fp_idx;
fp->cl_id = bnx2x_fp_cl_id(fp);
fp->ustorm_rx_prods_offset = bnx2x_rx_ustorm_prods_offset(fp);
/* Setup SB indicies */
fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
- fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
/* Configure Queue State object */
__set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
__set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
- bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, fp->cid, BP_FUNC(bp),
- bnx2x_sp(bp, q_rdata), bnx2x_sp_mapping(bp, q_rdata),
- q_type);
+
+ BUG_ON(fp->max_cos > BNX2X_MULTI_TX_COS);
+
+ /* init tx data */
+ for_each_cos_in_tx_queue(fp, cos) {
+ bnx2x_init_txdata(bp, &fp->txdata[cos],
+ CID_COS_TO_TX_ONLY_CID(fp->cid, cos),
+ FP_COS_TO_TXQ(fp, cos),
+ BNX2X_TX_SB_INDEX_BASE + cos);
+ cids[cos] = fp->txdata[cos].cid;
+ }
+
+ bnx2x_init_queue_obj(bp, &fp->q_obj, fp->cl_id, cids, fp->max_cos,
+ BP_FUNC(bp), bnx2x_sp(bp, q_rdata),
+ bnx2x_sp_mapping(bp, q_rdata), q_type);
/**
* Configure classification DBs: Always enable Tx switching
int i;
for_each_eth_queue(bp, i)
- bnx2x_init_fp(bp, i);
+ bnx2x_init_eth_fp(bp, i);
#ifdef BCM_CNIC
if (!NO_FCOE(bp))
bnx2x_init_fcoe_fp(bp);
if (bnx2x_alloc_fw_stats_mem(bp))
goto alloc_mem_err;
- bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
+ bp->context.size = sizeof(union cdu_context) * BNX2X_L2_CID_COUNT(bp);
BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
bp->context.size);
bnx2x_enable_msi(bp);
/* falling through... */
case INT_MODE_INTx:
- bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
+ bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
break;
default:
"enable MSI-X (%d), "
"set number of queues to %d\n",
bp->num_queues,
- 1 + NONE_ETH_CONTEXT_USE);
- bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
+ 1 + NON_ETH_CONTEXT_USE);
+ bp->num_queues = 1 + NON_ETH_CONTEXT_USE;
/* Try to enable MSI */
if (!(bp->flags & DISABLE_MSI_FLAG))
static inline void bnx2x_pf_q_prep_init(struct bnx2x *bp,
struct bnx2x_fastpath *fp, struct bnx2x_queue_init_params *init_params)
{
+
+ u8 cos;
/* FCoE Queue uses Default SB, thus has no HC capabilities */
if (!IS_FCOE_FP(fp)) {
__set_bit(BNX2X_Q_FLG_HC, &init_params->rx.flags);
* CQ index among the SB indices: FCoE clients uses the default
* SB, therefore it's different.
*/
- init_params->rx.sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
- init_params->tx.sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
+ init_params->rx.sb_cq_index = HC_INDEX_ETH_RX_CQ_CONS;
+ init_params->tx.sb_cq_index = HC_INDEX_ETH_FIRST_TX_CQ_CONS;
}
- init_params->cxt = &bp->context.vcxt[fp->cid].eth;
+ /* set maximum number of COSs supported by this queue */
+ init_params->max_cos = fp->max_cos;
+
+ DP(BNX2X_MSG_SP, "fp: %d setting queue params max cos to: %d",
+ fp->index, init_params->max_cos);
+
+ /* set the context pointers queue object */
+ for (cos = FIRST_TX_COS_INDEX; cos < init_params->max_cos; cos++)
+ init_params->cxts[cos] =
+ &bp->context.vcxt[fp->txdata[cos].cid].eth;
}
+int bnx2x_setup_tx_only(struct bnx2x *bp, struct bnx2x_fastpath *fp,
+ struct bnx2x_queue_state_params *q_params,
+ struct bnx2x_queue_setup_tx_only_params *tx_only_params,
+ int tx_index, bool leading)
+{
+ memset(tx_only_params, 0, sizeof(*tx_only_params));
+
+ /* Set the command */
+ q_params->cmd = BNX2X_Q_CMD_SETUP_TX_ONLY;
+
+ /* Set tx-only QUEUE flags: don't zero statistics */
+ tx_only_params->flags = bnx2x_get_common_flags(bp, fp, false);
+
+ /* choose the index of the cid to send the slow path on */
+ tx_only_params->cid_index = tx_index;
+
+ /* Set general TX_ONLY_SETUP parameters */
+ bnx2x_pf_q_prep_general(bp, fp, &tx_only_params->gen_params, tx_index);
+
+ /* Set Tx TX_ONLY_SETUP parameters */
+ bnx2x_pf_tx_q_prep(bp, fp, &tx_only_params->txq_params, tx_index);
+
+ DP(BNX2X_MSG_SP, "preparing to send tx-only ramrod for connection:"
+ "cos %d, primary cid %d, cid %d, "
+ "client id %d, sp-client id %d, flags %lx",
+ tx_index, q_params->q_obj->cids[FIRST_TX_COS_INDEX],
+ q_params->q_obj->cids[tx_index], q_params->q_obj->cl_id,
+ tx_only_params->gen_params.spcl_id, tx_only_params->flags);
+
+ /* send the ramrod */
+ return bnx2x_queue_state_change(bp, q_params);
+}
+
+
/**
* bnx2x_setup_queue - setup queue
*
struct bnx2x_queue_state_params q_params = {0};
struct bnx2x_queue_setup_params *setup_params =
&q_params.params.setup;
+ struct bnx2x_queue_setup_tx_only_params *tx_only_params =
+ &q_params.params.tx_only;
int rc;
+ u8 tx_index;
+
+ DP(BNX2X_MSG_SP, "setting up queue %d", fp->index);
/* reset IGU state skip FCoE L2 queue */
if (!IS_FCOE_FP(fp))
/* Change the state to INIT */
rc = bnx2x_queue_state_change(bp, &q_params);
if (rc) {
- BNX2X_ERR("Queue INIT failed\n");
+ BNX2X_ERR("Queue(%d) INIT failed\n", fp->index);
return rc;
}
+ DP(BNX2X_MSG_SP, "init complete");
+
+
/* Now move the Queue to the SETUP state... */
memset(setup_params, 0, sizeof(*setup_params));
setup_params->flags = bnx2x_get_q_flags(bp, fp, leading);
/* Set general SETUP parameters */
- bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params);
+ bnx2x_pf_q_prep_general(bp, fp, &setup_params->gen_params,
+ FIRST_TX_COS_INDEX);
- bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause,
+ bnx2x_pf_rx_q_prep(bp, fp, &setup_params->pause_params,
&setup_params->rxq_params);
- bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params);
+ bnx2x_pf_tx_q_prep(bp, fp, &setup_params->txq_params,
+ FIRST_TX_COS_INDEX);
/* Set the command */
q_params.cmd = BNX2X_Q_CMD_SETUP;
/* Change the state to SETUP */
rc = bnx2x_queue_state_change(bp, &q_params);
- if (rc)
- BNX2X_ERR("Queue SETUP failed\n");
+ if (rc) {
+ BNX2X_ERR("Queue(%d) SETUP failed\n", fp->index);
+ return rc;
+ }
+
+ /* loop through the relevant tx-only indices */
+ for (tx_index = FIRST_TX_ONLY_COS_INDEX;
+ tx_index < fp->max_cos;
+ tx_index++) {
+
+ /* prepare and send tx-only ramrod*/
+ rc = bnx2x_setup_tx_only(bp, fp, &q_params,
+ tx_only_params, tx_index, leading);
+ if (rc) {
+ BNX2X_ERR("Queue(%d.%d) TX_ONLY_SETUP failed\n",
+ fp->index, tx_index);
+ return rc;
+ }
+ }
return rc;
}
static int bnx2x_stop_queue(struct bnx2x *bp, int index)
{
struct bnx2x_fastpath *fp = &bp->fp[index];
+ struct bnx2x_fp_txdata *txdata;
struct bnx2x_queue_state_params q_params = {0};
- int rc;
+ int rc, tx_index;
+
+ DP(BNX2X_MSG_SP, "stopping queue %d cid %d", index, fp->cid);
q_params.q_obj = &fp->q_obj;
/* We want to wait for completion in this context */
__set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags);
- /* halt the connection */
+
+ /* close tx-only connections */
+ for (tx_index = FIRST_TX_ONLY_COS_INDEX;
+ tx_index < fp->max_cos;
+ tx_index++){
+
+ /* ascertain this is a normal queue*/
+ txdata = &fp->txdata[tx_index];
+
+ DP(BNX2X_MSG_SP, "stopping tx-only queue %d",
+ txdata->txq_index);
+
+ /* send halt terminate on tx-only connection */
+ q_params.cmd = BNX2X_Q_CMD_TERMINATE;
+ memset(&q_params.params.terminate, 0,
+ sizeof(q_params.params.terminate));
+ q_params.params.terminate.cid_index = tx_index;
+
+ rc = bnx2x_queue_state_change(bp, &q_params);
+ if (rc)
+ return rc;
+
+ /* send halt terminate on tx-only connection */
+ q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
+ memset(&q_params.params.cfc_del, 0,
+ sizeof(q_params.params.cfc_del));
+ q_params.params.cfc_del.cid_index = tx_index;
+ rc = bnx2x_queue_state_change(bp, &q_params);
+ if (rc)
+ return rc;
+ }
+ /* Stop the primary connection: */
+ /* ...halt the connection */
q_params.cmd = BNX2X_Q_CMD_HALT;
rc = bnx2x_queue_state_change(bp, &q_params);
if (rc)
return rc;
- /* terminate the connection */
+ /* ...terminate the connection */
q_params.cmd = BNX2X_Q_CMD_TERMINATE;
+ memset(&q_params.params.terminate, 0,
+ sizeof(q_params.params.terminate));
+ q_params.params.terminate.cid_index = FIRST_TX_COS_INDEX;
rc = bnx2x_queue_state_change(bp, &q_params);
if (rc)
return rc;
-
- /* delete cfc entry */
+ /* ...delete cfc entry */
q_params.cmd = BNX2X_Q_CMD_CFC_DEL;
+ memset(&q_params.params.cfc_del, 0,
+ sizeof(q_params.params.cfc_del));
+ q_params.params.cfc_del.cid_index = FIRST_TX_COS_INDEX;
return bnx2x_queue_state_change(bp, &q_params);
}
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
REG_WR8(bp, BAR_CSTRORM_INTMEM +
- CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
- SB_DISABLED);
+ CSTORM_STATUS_BLOCK_DATA_STATE_OFFSET(fp->fw_sb_id),
+ SB_DISABLED);
}
#ifdef BCM_CNIC
#endif
/* SP SB */
REG_WR8(bp, BAR_CSTRORM_INTMEM +
- CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
- SB_DISABLED);
+ CSTORM_SP_STATUS_BLOCK_DATA_STATE_OFFSET(func),
+ SB_DISABLED);
for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
{
int port = BP_PORT(bp);
- int i, rc;
+ int i, rc = 0;
+ u8 cos;
struct bnx2x_mcast_ramrod_params rparam = {0};
u32 reset_code;
for_each_tx_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
- rc = bnx2x_clean_tx_queue(bp, fp);
+ for_each_cos_in_tx_queue(fp, cos)
+ rc = bnx2x_clean_tx_queue(bp, &fp->txdata[cos]);
#ifdef BNX2X_STOP_ON_ERROR
if (rc)
return;
/*
* Assumption: runs under rtnl lock. This together with the fact
- * that it's called only from bnx2x_reset_task() ensure that it
+ * that it's called only from bnx2x_sp_rtnl() ensure that it
* will never be called when netif_running(bp->dev) is false.
*/
static void bnx2x_parity_recover(struct bnx2x *bp)
if (!netif_running(bp->dev))
goto sp_rtnl_exit;
+ if (test_and_clear_bit(BNX2X_SP_RTNL_SETUP_TC, &bp->sp_rtnl_state))
+ bnx2x_setup_tc(bp->dev, bp->dcbx_port_params.ets.num_of_cos);
+
/* if stop on error is defined no recovery flows should be executed */
#ifdef BNX2X_STOP_ON_ERROR
BNX2X_ERR("recovery flow called but STOP_ON_ERROR defined "
int vn = BP_E1HVN(bp);
int igu_sb_id;
u32 val;
- u8 fid;
+ u8 fid, igu_sb_cnt = 0;
bp->igu_base_sb = 0xff;
- bp->igu_sb_cnt = 0;
if (CHIP_INT_MODE_IS_BC(bp)) {
- bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
- NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
-
+ igu_sb_cnt = bp->igu_sb_cnt;
bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
FP_SB_MAX_E1x;
else {
if (bp->igu_base_sb == 0xff)
bp->igu_base_sb = igu_sb_id;
- bp->igu_sb_cnt++;
+ igu_sb_cnt++;
}
}
}
- /* It's expected that number of CAM entries for this
- * functions is equal to the MSI-X table size (which was a
- * used during bp->l2_cid_count value calculation.
- * We want a harsh warning if these values are different!
+#ifdef CONFIG_PCI_MSI
+ /*
+ * It's expected that number of CAM entries for this functions is equal
+ * to the number evaluated based on the MSI-X table size. We want a
+ * harsh warning if these values are different!
*/
- WARN_ON(bp->igu_sb_cnt != NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
+ WARN_ON(bp->igu_sb_cnt != igu_sb_cnt);
+#endif
- if (bp->igu_sb_cnt == 0)
+ if (igu_sb_cnt == 0)
BNX2X_ERR("CAM configuration error\n");
}
bnx2x_get_common_hwinfo(bp);
+ /*
+ * initialize IGU parameters
+ */
if (CHIP_IS_E1x(bp)) {
bp->common.int_block = INT_BLOCK_HC;
bp->igu_dsb_id = DEF_SB_IGU_ID;
bp->igu_base_sb = 0;
- bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
- NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
} else {
bp->common.int_block = INT_BLOCK_IGU;
val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
SET_FLAGS(flags, MODE_E3);
if (CHIP_REV(bp) == CHIP_REV_Ax)
SET_FLAGS(flags, MODE_E3_A0);
- else {/*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
- SET_FLAGS(flags, MODE_E3_B0);
- SET_FLAGS(flags, MODE_COS_BC);
- }
+ else /*if (CHIP_REV(bp) == CHIP_REV_Bx)*/
+ SET_FLAGS(flags, MODE_E3_B0 | MODE_COS3);
}
if (IS_MF(bp)) {
bp->cnic_base_cl_id = FP_SB_MAX_E2;
#endif
+ /* multiple tx priority */
+ if (CHIP_IS_E1x(bp))
+ bp->max_cos = BNX2X_MULTI_TX_COS_E1X;
+ if (CHIP_IS_E2(bp) || CHIP_IS_E3A0(bp))
+ bp->max_cos = BNX2X_MULTI_TX_COS_E2_E3A0;
+ if (CHIP_IS_E3B0(bp))
+ bp->max_cos = BNX2X_MULTI_TX_COS_E3B0;
+
return rc;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = poll_bnx2x,
#endif
+ .ndo_setup_tc = bnx2x_setup_tc,
+
};
static inline int bnx2x_set_coherency_mask(struct bnx2x *bp)
goto err_out_release;
}
- bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
- min_t(u64, BNX2X_DB_SIZE(bp),
- pci_resource_len(pdev, 2)));
- if (!bp->doorbells) {
- dev_err(&bp->pdev->dev,
- "Cannot map doorbell space, aborting\n");
- rc = -ENOMEM;
- goto err_out_unmap;
- }
-
bnx2x_set_power_state(bp, PCI_D0);
/* clean indirect addresses */
return 0;
-err_out_unmap:
- if (bp->regview) {
- iounmap(bp->regview);
- bp->regview = NULL;
- }
- if (bp->doorbells) {
- iounmap(bp->doorbells);
- bp->doorbells = NULL;
- }
-
err_out_release:
if (atomic_read(&pdev->enable_cnt) == 1)
pci_release_regions(pdev);
}
/* must be called after sriov-enable */
-static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
+static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp)
{
- int cid_count = L2_FP_COUNT(l2_cid_count);
+ int cid_count = BNX2X_L2_CID_COUNT(bp);
#ifdef BCM_CNIC
cid_count += CNIC_CID_MAX;
}
/**
- * bnx2x_pci_msix_table_size - get the size of the MSI-X table.
+ * bnx2x_get_num_none_def_sbs - return the number of none default SBs
*
* @dev: pci device
*
*/
-static inline int bnx2x_pci_msix_table_size(struct pci_dev *pdev)
+static inline int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev)
{
int pos;
u16 control;
pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
+
+ /*
+ * If MSI-X is not supported - return number of SBs needed to support
+ * one fast path queue: one FP queue + SB for CNIC
+ */
if (!pos)
- return 0;
+ return 1 + CNIC_PRESENT;
+ /*
+ * The value in the PCI configuration space is the index of the last
+ * entry, namely one less than the actual size of the table, which is
+ * exactly what we want to return from this function: number of all SBs
+ * without the default SB.
+ */
pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &control);
- return (control & PCI_MSIX_FLAGS_QSIZE) + 1;
+ return control & PCI_MSIX_FLAGS_QSIZE;
}
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
struct net_device *dev = NULL;
struct bnx2x *bp;
int pcie_width, pcie_speed;
- int rc, cid_count;
+ int rc, max_non_def_sbs;
+ int rx_count, tx_count, rss_count;
+ /*
+ * An estimated maximum supported CoS number according to the chip
+ * version.
+ * We will try to roughly estimate the maximum number of CoSes this chip
+ * may support in order to minimize the memory allocated for Tx
+ * netdev_queue's. This number will be accurately calculated during the
+ * initialization of bp->max_cos based on the chip versions AND chip
+ * revision in the bnx2x_init_bp().
+ */
+ u8 max_cos_est = 0;
switch (ent->driver_data) {
case BCM57710:
case BCM57711:
case BCM57711E:
+ max_cos_est = BNX2X_MULTI_TX_COS_E1X;
+ break;
+
case BCM57712:
case BCM57712_MF:
+ max_cos_est = BNX2X_MULTI_TX_COS_E2_E3A0;
+ break;
+
case BCM57800:
case BCM57800_MF:
case BCM57810:
case BCM57810_MF:
case BCM57840:
case BCM57840_MF:
- /* The size requested for the MSI-X table corresponds to the
- * actual amount of avaliable IGU/HC status blocks. It includes
- * the default SB vector but we want cid_count to contain the
- * amount of only non-default SBs, that's what '-1' stands for.
- */
- cid_count = bnx2x_pci_msix_table_size(pdev) - 1;
-
- /* do not allow initial cid_count grow above 16
- * since Special CIDs starts from this number
- * use old FP_SB_MAX_E1x define for this matter
- */
- cid_count = min_t(int, FP_SB_MAX_E1x, cid_count);
-
- WARN_ON(!cid_count);
+ max_cos_est = BNX2X_MULTI_TX_COS_E3B0;
break;
default:
return -ENODEV;
}
- cid_count += FCOE_CONTEXT_USE;
+ max_non_def_sbs = bnx2x_get_num_non_def_sbs(pdev);
+
+ /* !!! FIXME !!!
+ * Do not allow the maximum SB count to grow above 16
+ * since Special CIDs starts from 16*BNX2X_MULTI_TX_COS=48.
+ * We will use the FP_SB_MAX_E1x macro for this matter.
+ */
+ max_non_def_sbs = min_t(int, FP_SB_MAX_E1x, max_non_def_sbs);
+
+ WARN_ON(!max_non_def_sbs);
+
+ /* Maximum number of RSS queues: one IGU SB goes to CNIC */
+ rss_count = max_non_def_sbs - CNIC_PRESENT;
+
+ /* Maximum number of netdev Rx queues: RSS + FCoE L2 */
+ rx_count = rss_count + FCOE_PRESENT;
+
+ /*
+ * Maximum number of netdev Tx queues:
+ * Maximum TSS queues * Maximum supported number of CoS + FCoE L2
+ */
+ tx_count = MAX_TXQS_PER_COS * max_cos_est + FCOE_PRESENT;
/* dev zeroed in init_etherdev */
- dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
+ dev = alloc_etherdev_mqs(sizeof(*bp), tx_count, rx_count);
if (!dev) {
dev_err(&pdev->dev, "Cannot allocate net device\n");
return -ENOMEM;
}
- /* We don't need a Tx queue for a CNIC and an OOO Rx-only ring,
- * so update a cid_count after a netdev allocation.
- */
- cid_count += CNIC_CONTEXT_USE;
-
bp = netdev_priv(dev);
- bp->msg_enable = debug;
- pci_set_drvdata(pdev, dev);
+ DP(NETIF_MSG_DRV, "Allocated netdev with %d tx and %d rx queues\n",
+ tx_count, rx_count);
- bp->l2_cid_count = cid_count;
+ bp->igu_sb_cnt = max_non_def_sbs;
+ bp->msg_enable = debug;
+ pci_set_drvdata(pdev, dev);
rc = bnx2x_init_dev(pdev, dev, ent->driver_data);
if (rc < 0) {
return rc;
}
- BNX2X_DEV_INFO("cid_count=%d\n", cid_count);
+ DP(NETIF_MSG_DRV, "max_non_def_sbs %d", max_non_def_sbs);
rc = bnx2x_init_bp(bp);
if (rc)
goto init_one_exit;
+ /*
+ * Map doorbels here as we need the real value of bp->max_cos which
+ * is initialized in bnx2x_init_bp().
+ */
+ bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
+ min_t(u64, BNX2X_DB_SIZE(bp),
+ pci_resource_len(pdev, 2)));
+ if (!bp->doorbells) {
+ dev_err(&bp->pdev->dev,
+ "Cannot map doorbell space, aborting\n");
+ rc = -ENOMEM;
+ goto init_one_exit;
+ }
+
/* calc qm_cid_count */
- bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);
+ bp->qm_cid_count = bnx2x_set_qm_cid_count(bp);
#ifdef BCM_CNIC
/* disable FCOE L2 queue for E1x*/
if (!test_and_clear_bit(cmd, &cur_pending)) {
BNX2X_ERR("Bad MC reply %d for queue %d in state %d "
- "pending 0x%lx, next_state %d\n", cmd, o->cid,
+ "pending 0x%lx, next_state %d\n", cmd,
+ o->cids[BNX2X_PRIMARY_CID_INDEX],
o->state, cur_pending, o->next_state);
return -EINVAL;
}
+ if (o->next_tx_only >= o->max_cos)
+ /* >= becuase tx only must always be smaller than cos since the
+ * primary connection suports COS 0
+ */
+ BNX2X_ERR("illegal value for next tx_only: %d. max cos was %d",
+ o->next_tx_only, o->max_cos);
+
DP(BNX2X_MSG_SP, "Completing command %d for queue %d, "
- "setting state to %d\n", cmd, o->cid, o->next_state);
+ "setting state to %d\n", cmd,
+ o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_state);
+
+ if (o->next_tx_only) /* print num tx-only if any exist */
+ DP(BNX2X_MSG_SP, "primary cid %d: num tx-only cons %d",
+ o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_tx_only);
o->state = o->next_state;
+ o->num_tx_only = o->next_tx_only;
o->next_state = BNX2X_Q_STATE_MAX;
/* It's important that o->state and o->next_state are
CLIENT_INIT_RX_DATA_TPA_EN_IPV6;
}
-static void bnx2x_q_fill_setup_data_cmn(struct bnx2x *bp,
- struct bnx2x_queue_state_params *cmd_params,
- struct client_init_ramrod_data *data)
-{
- struct bnx2x_queue_sp_obj *o = cmd_params->q_obj;
- struct bnx2x_queue_setup_params *params = &cmd_params->params.setup;
-
-
- /* general */
- data->general.client_id = o->cl_id;
-
- if (test_bit(BNX2X_Q_FLG_STATS, ¶ms->flags)) {
- data->general.statistics_counter_id =
- params->gen_params.stat_id;
- data->general.statistics_en_flg = 1;
- data->general.statistics_zero_flg =
- test_bit(BNX2X_Q_FLG_ZERO_STATS, ¶ms->flags);
+static void bnx2x_q_fill_init_general_data(struct bnx2x *bp,
+ struct bnx2x_queue_sp_obj *o,
+ struct bnx2x_general_setup_params *params,
+ struct client_init_general_data *gen_data,
+ unsigned long *flags)
+{
+ gen_data->client_id = o->cl_id;
+
+ if (test_bit(BNX2X_Q_FLG_STATS, flags)) {
+ gen_data->statistics_counter_id =
+ params->stat_id;
+ gen_data->statistics_en_flg = 1;
+ gen_data->statistics_zero_flg =
+ test_bit(BNX2X_Q_FLG_ZERO_STATS, flags);
} else
- data->general.statistics_counter_id =
+ gen_data->statistics_counter_id =
DISABLE_STATISTIC_COUNTER_ID_VALUE;
- data->general.is_fcoe_flg = test_bit(BNX2X_Q_FLG_FCOE, ¶ms->flags);
- data->general.activate_flg = test_bit(BNX2X_Q_FLG_ACTIVE,
- ¶ms->flags);
- data->general.sp_client_id = params->gen_params.spcl_id;
- data->general.mtu = cpu_to_le16(params->gen_params.mtu);
- data->general.func_id = o->func_id;
+ gen_data->is_fcoe_flg = test_bit(BNX2X_Q_FLG_FCOE, flags);
+ gen_data->activate_flg = test_bit(BNX2X_Q_FLG_ACTIVE, flags);
+ gen_data->sp_client_id = params->spcl_id;
+ gen_data->mtu = cpu_to_le16(params->mtu);
+ gen_data->func_id = o->func_id;
- data->general.cos = params->txq_params.cos;
+ gen_data->cos = params->cos;
- data->general.traffic_type =
- test_bit(BNX2X_Q_FLG_FCOE, ¶ms->flags) ?
+ gen_data->traffic_type =
+ test_bit(BNX2X_Q_FLG_FCOE, flags) ?
LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
- /* Rx data */
- data->rx.tpa_en = test_bit(BNX2X_Q_FLG_TPA, ¶ms->flags) *
+ DP(BNX2X_MSG_SP, "flags: active %d, cos %d, stats en %d",
+ gen_data->activate_flg, gen_data->cos, gen_data->statistics_en_flg);
+}
+
+static void bnx2x_q_fill_init_tx_data(struct bnx2x_queue_sp_obj *o,
+ struct bnx2x_txq_setup_params *params,
+ struct client_init_tx_data *tx_data,
+ unsigned long *flags)
+{
+ tx_data->enforce_security_flg =
+ test_bit(BNX2X_Q_FLG_TX_SEC, flags);
+ tx_data->default_vlan =
+ cpu_to_le16(params->default_vlan);
+ tx_data->default_vlan_flg =
+ test_bit(BNX2X_Q_FLG_DEF_VLAN, flags);
+ tx_data->tx_switching_flg =
+ test_bit(BNX2X_Q_FLG_TX_SWITCH, flags);
+ tx_data->anti_spoofing_flg =
+ test_bit(BNX2X_Q_FLG_ANTI_SPOOF, flags);
+ tx_data->tx_status_block_id = params->fw_sb_id;
+ tx_data->tx_sb_index_number = params->sb_cq_index;
+ tx_data->tss_leading_client_id = params->tss_leading_cl_id;
+
+ tx_data->tx_bd_page_base.lo =
+ cpu_to_le32(U64_LO(params->dscr_map));
+ tx_data->tx_bd_page_base.hi =
+ cpu_to_le32(U64_HI(params->dscr_map));
+
+ /* Don't configure any Tx switching mode during queue SETUP */
+ tx_data->state = 0;
+}
+
+static void bnx2x_q_fill_init_pause_data(struct bnx2x_queue_sp_obj *o,
+ struct rxq_pause_params *params,
+ struct client_init_rx_data *rx_data)
+{
+ /* flow control data */
+ rx_data->cqe_pause_thr_low = cpu_to_le16(params->rcq_th_lo);
+ rx_data->cqe_pause_thr_high = cpu_to_le16(params->rcq_th_hi);
+ rx_data->bd_pause_thr_low = cpu_to_le16(params->bd_th_lo);
+ rx_data->bd_pause_thr_high = cpu_to_le16(params->bd_th_hi);
+ rx_data->sge_pause_thr_low = cpu_to_le16(params->sge_th_lo);
+ rx_data->sge_pause_thr_high = cpu_to_le16(params->sge_th_hi);
+ rx_data->rx_cos_mask = cpu_to_le16(params->pri_map);
+}
+
+static void bnx2x_q_fill_init_rx_data(struct bnx2x_queue_sp_obj *o,
+ struct bnx2x_rxq_setup_params *params,
+ struct client_init_rx_data *rx_data,
+ unsigned long *flags)
+{
+ /* Rx data */
+ rx_data->tpa_en = test_bit(BNX2X_Q_FLG_TPA, flags) *
CLIENT_INIT_RX_DATA_TPA_EN_IPV4;
- data->rx.vmqueue_mode_en_flg = 0;
+ rx_data->vmqueue_mode_en_flg = 0;
- data->rx.cache_line_alignment_log_size =
- params->rxq_params.cache_line_log;
- data->rx.enable_dynamic_hc =
- test_bit(BNX2X_Q_FLG_DHC, ¶ms->flags);
- data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
- data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
- data->rx.max_agg_size = cpu_to_le16(params->rxq_params.tpa_agg_sz);
+ rx_data->cache_line_alignment_log_size =
+ params->cache_line_log;
+ rx_data->enable_dynamic_hc =
+ test_bit(BNX2X_Q_FLG_DHC, flags);
+ rx_data->max_sges_for_packet = params->max_sges_pkt;
+ rx_data->client_qzone_id = params->cl_qzone_id;
+ rx_data->max_agg_size = cpu_to_le16(params->tpa_agg_sz);
/* Always start in DROP_ALL mode */
- data->rx.state = cpu_to_le16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL |
+ rx_data->state = cpu_to_le16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL |
CLIENT_INIT_RX_DATA_MCAST_DROP_ALL);
/* We don't set drop flags */
- data->rx.drop_ip_cs_err_flg = 0;
- data->rx.drop_tcp_cs_err_flg = 0;
- data->rx.drop_ttl0_flg = 0;
- data->rx.drop_udp_cs_err_flg = 0;
- data->rx.inner_vlan_removal_enable_flg =
- test_bit(BNX2X_Q_FLG_VLAN, ¶ms->flags);
- data->rx.outer_vlan_removal_enable_flg =
- test_bit(BNX2X_Q_FLG_OV, ¶ms->flags);
- data->rx.status_block_id = params->rxq_params.fw_sb_id;
- data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
- data->rx.max_tpa_queues = params->rxq_params.max_tpa_queues;
- data->rx.max_bytes_on_bd = cpu_to_le16(params->rxq_params.buf_sz);
- data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
- data->rx.bd_page_base.lo =
- cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
- data->rx.bd_page_base.hi =
- cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
- data->rx.sge_page_base.lo =
- cpu_to_le32(U64_LO(params->rxq_params.sge_map));
- data->rx.sge_page_base.hi =
- cpu_to_le32(U64_HI(params->rxq_params.sge_map));
- data->rx.cqe_page_base.lo =
- cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
- data->rx.cqe_page_base.hi =
- cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
- data->rx.is_leading_rss = test_bit(BNX2X_Q_FLG_LEADING_RSS,
- ¶ms->flags);
-
- if (test_bit(BNX2X_Q_FLG_MCAST, ¶ms->flags)) {
- data->rx.approx_mcast_engine_id = o->func_id;
- data->rx.is_approx_mcast = 1;
+ rx_data->drop_ip_cs_err_flg = 0;
+ rx_data->drop_tcp_cs_err_flg = 0;
+ rx_data->drop_ttl0_flg = 0;
+ rx_data->drop_udp_cs_err_flg = 0;
+ rx_data->inner_vlan_removal_enable_flg =
+ test_bit(BNX2X_Q_FLG_VLAN, flags);
+ rx_data->outer_vlan_removal_enable_flg =
+ test_bit(BNX2X_Q_FLG_OV, flags);
+ rx_data->status_block_id = params->fw_sb_id;
+ rx_data->rx_sb_index_number = params->sb_cq_index;
+ rx_data->max_tpa_queues = params->max_tpa_queues;
+ rx_data->max_bytes_on_bd = cpu_to_le16(params->buf_sz);
+ rx_data->sge_buff_size = cpu_to_le16(params->sge_buf_sz);
+ rx_data->bd_page_base.lo =
+ cpu_to_le32(U64_LO(params->dscr_map));
+ rx_data->bd_page_base.hi =
+ cpu_to_le32(U64_HI(params->dscr_map));
+ rx_data->sge_page_base.lo =
+ cpu_to_le32(U64_LO(params->sge_map));
+ rx_data->sge_page_base.hi =
+ cpu_to_le32(U64_HI(params->sge_map));
+ rx_data->cqe_page_base.lo =
+ cpu_to_le32(U64_LO(params->rcq_map));
+ rx_data->cqe_page_base.hi =
+ cpu_to_le32(U64_HI(params->rcq_map));
+ rx_data->is_leading_rss = test_bit(BNX2X_Q_FLG_LEADING_RSS, flags);
+
+ if (test_bit(BNX2X_Q_FLG_MCAST, flags)) {
+ rx_data->approx_mcast_engine_id = o->func_id;
+ rx_data->is_approx_mcast = 1;
}
- data->rx.rss_engine_id = params->rxq_params.rss_engine_id;
-
- /* flow control data */
- data->rx.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
- data->rx.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
- data->rx.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
- data->rx.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
- data->rx.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
- data->rx.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
- data->rx.rx_cos_mask = cpu_to_le16(params->pause.pri_map);
+ rx_data->rss_engine_id = params->rss_engine_id;
/* silent vlan removal */
- data->rx.silent_vlan_removal_flg =
- test_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, ¶ms->flags);
- data->rx.silent_vlan_value =
- cpu_to_le16(params->rxq_params.silent_removal_value);
- data->rx.silent_vlan_mask =
- cpu_to_le16(params->rxq_params.silent_removal_mask);
-
- /* Tx data */
- data->tx.enforce_security_flg =
- test_bit(BNX2X_Q_FLG_TX_SEC, ¶ms->flags);
- data->tx.default_vlan =
- cpu_to_le16(params->txq_params.default_vlan);
- data->tx.default_vlan_flg =
- test_bit(BNX2X_Q_FLG_DEF_VLAN, ¶ms->flags);
- data->tx.tx_switching_flg =
- test_bit(BNX2X_Q_FLG_TX_SWITCH, ¶ms->flags);
- data->tx.anti_spoofing_flg =
- test_bit(BNX2X_Q_FLG_ANTI_SPOOF, ¶ms->flags);
- data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
- data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
- data->tx.tss_leading_client_id = params->txq_params.tss_leading_cl_id;
-
- data->tx.tx_bd_page_base.lo =
- cpu_to_le32(U64_LO(params->txq_params.dscr_map));
- data->tx.tx_bd_page_base.hi =
- cpu_to_le32(U64_HI(params->txq_params.dscr_map));
+ rx_data->silent_vlan_removal_flg =
+ test_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, flags);
+ rx_data->silent_vlan_value =
+ cpu_to_le16(params->silent_removal_value);
+ rx_data->silent_vlan_mask =
+ cpu_to_le16(params->silent_removal_mask);
- /* Don't configure any Tx switching mode during queue SETUP */
- data->tx.state = 0;
}
+/* initialize the general, tx and rx parts of a queue object */
+static void bnx2x_q_fill_setup_data_cmn(struct bnx2x *bp,
+ struct bnx2x_queue_state_params *cmd_params,
+ struct client_init_ramrod_data *data)
+{
+ bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj,
+ &cmd_params->params.setup.gen_params,
+ &data->general,
+ &cmd_params->params.setup.flags);
+
+ bnx2x_q_fill_init_tx_data(cmd_params->q_obj,
+ &cmd_params->params.setup.txq_params,
+ &data->tx,
+ &cmd_params->params.setup.flags);
+
+ bnx2x_q_fill_init_rx_data(cmd_params->q_obj,
+ &cmd_params->params.setup.rxq_params,
+ &data->rx,
+ &cmd_params->params.setup.flags);
+
+ bnx2x_q_fill_init_pause_data(cmd_params->q_obj,
+ &cmd_params->params.setup.pause_params,
+ &data->rx);
+}
+
+/* initialize the general and tx parts of a tx-only queue object */
+static void bnx2x_q_fill_setup_tx_only(struct bnx2x *bp,
+ struct bnx2x_queue_state_params *cmd_params,
+ struct tx_queue_init_ramrod_data *data)
+{
+ bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj,
+ &cmd_params->params.tx_only.gen_params,
+ &data->general,
+ &cmd_params->params.tx_only.flags);
+
+ bnx2x_q_fill_init_tx_data(cmd_params->q_obj,
+ &cmd_params->params.tx_only.txq_params,
+ &data->tx,
+ &cmd_params->params.tx_only.flags);
+
+ DP(BNX2X_MSG_SP, "cid %d, tx bd page lo %x hi %x",cmd_params->q_obj->cids[0],
+ data->tx.tx_bd_page_base.lo, data->tx.tx_bd_page_base.hi);
+}
/**
* bnx2x_q_init - init HW/FW queue
struct bnx2x_queue_sp_obj *o = params->q_obj;
struct bnx2x_queue_init_params *init = ¶ms->params.init;
u16 hc_usec;
+ u8 cos;
/* Tx HC configuration */
if (test_bit(BNX2X_Q_TYPE_HAS_TX, &o->type) &&
}
/* Set CDU context validation values */
- bnx2x_set_ctx_validation(bp, init->cxt, o->cid);
+ for (cos = 0; cos < o->max_cos; cos++) {
+ DP(BNX2X_MSG_SP, "setting context validation. cid %d, cos %d",
+ o->cids[cos], cos);
+ DP(BNX2X_MSG_SP, "context pointer %p", init->cxts[cos]);
+ bnx2x_set_ctx_validation(bp, init->cxts[cos], o->cids[cos]);
+ }
/* As no ramrod is sent, complete the command immediately */
o->complete_cmd(bp, o, BNX2X_Q_CMD_INIT);
mb();
- return bnx2x_sp_post(bp, ramrod, o->cid, U64_HI(data_mapping),
+ return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX],
+ U64_HI(data_mapping),
U64_LO(data_mapping), ETH_CONNECTION_TYPE);
}
bnx2x_q_fill_setup_data_cmn(bp, params, rdata);
bnx2x_q_fill_setup_data_e2(bp, params, rdata);
- mb();
- return bnx2x_sp_post(bp, ramrod, o->cid, U64_HI(data_mapping),
+ return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX],
+ U64_HI(data_mapping),
+ U64_LO(data_mapping), ETH_CONNECTION_TYPE);
+}
+
+static inline int bnx2x_q_send_setup_tx_only(struct bnx2x *bp,
+ struct bnx2x_queue_state_params *params)
+{
+ struct bnx2x_queue_sp_obj *o = params->q_obj;
+ struct tx_queue_init_ramrod_data *rdata =
+ (struct tx_queue_init_ramrod_data *)o->rdata;
+ dma_addr_t data_mapping = o->rdata_mapping;
+ int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP;
+ struct bnx2x_queue_setup_tx_only_params *tx_only_params =
+ ¶ms->params.tx_only;
+ u8 cid_index = tx_only_params->cid_index;
+
+
+ if (cid_index >= o->max_cos) {
+ BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
+ o->cl_id, cid_index);
+ return -EINVAL;
+ }
+
+ DP(BNX2X_MSG_SP, "parameters received: cos: %d sp-id: %d",
+ tx_only_params->gen_params.cos,
+ tx_only_params->gen_params.spcl_id);
+
+ /* Clear the ramrod data */
+ memset(rdata, 0, sizeof(*rdata));
+
+ /* Fill the ramrod data */
+ bnx2x_q_fill_setup_tx_only(bp, params, rdata);
+
+ DP(BNX2X_MSG_SP, "sending tx-only ramrod: cid %d, client-id %d,"
+ "sp-client id %d, cos %d",
+ o->cids[cid_index],
+ rdata->general.client_id,
+ rdata->general.sp_client_id, rdata->general.cos);
+
+ /*
+ * No need for an explicit memory barrier here as long we would
+ * need to ensure the ordering of writing to the SPQ element
+ * and updating of the SPQ producer which involves a memory
+ * read and we will have to put a full memory barrier there
+ * (inside bnx2x_sp_post()).
+ */
+
+ return bnx2x_sp_post(bp, ramrod, o->cids[cid_index],
+ U64_HI(data_mapping),
U64_LO(data_mapping), ETH_CONNECTION_TYPE);
}
struct client_update_ramrod_data *rdata =
(struct client_update_ramrod_data *)o->rdata;
dma_addr_t data_mapping = o->rdata_mapping;
+ struct bnx2x_queue_update_params *update_params =
+ ¶ms->params.update;
+ u8 cid_index = update_params->cid_index;
+
+ if (cid_index >= o->max_cos) {
+ BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
+ o->cl_id, cid_index);
+ return -EINVAL;
+ }
+
/* Clear the ramrod data */
memset(rdata, 0, sizeof(*rdata));
/* Fill the ramrod data */
- bnx2x_q_fill_update_data(bp, o, ¶ms->params.update, rdata);
+ bnx2x_q_fill_update_data(bp, o, update_params, rdata);
mb();
- return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_UPDATE, o->cid,
- U64_HI(data_mapping),
+ return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_UPDATE,
+ o->cids[cid_index], U64_HI(data_mapping),
U64_LO(data_mapping), ETH_CONNECTION_TYPE);
}
{
struct bnx2x_queue_sp_obj *o = params->q_obj;
- return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, o->cid, 0, o->cl_id,
+ return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT,
+ o->cids[BNX2X_PRIMARY_CID_INDEX], 0, o->cl_id,
ETH_CONNECTION_TYPE);
}
struct bnx2x_queue_state_params *params)
{
struct bnx2x_queue_sp_obj *o = params->q_obj;
+ u8 cid_idx = params->params.cfc_del.cid_index;
- return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, o->cid, 0, 0,
- NONE_CONNECTION_TYPE);
+ if (cid_idx >= o->max_cos) {
+ BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
+ o->cl_id, cid_idx);
+ return -EINVAL;
+ }
+
+ return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL,
+ o->cids[cid_idx], 0, 0, NONE_CONNECTION_TYPE);
}
static inline int bnx2x_q_send_terminate(struct bnx2x *bp,
struct bnx2x_queue_state_params *params)
{
struct bnx2x_queue_sp_obj *o = params->q_obj;
+ u8 cid_index = params->params.terminate.cid_index;
- return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, o->cid, 0, 0,
- ETH_CONNECTION_TYPE);
+ if (cid_index >= o->max_cos) {
+ BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n",
+ o->cl_id, cid_index);
+ return -EINVAL;
+ }
+
+ return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE,
+ o->cids[cid_index], 0, 0, ETH_CONNECTION_TYPE);
}
static inline int bnx2x_q_send_empty(struct bnx2x *bp,
{
struct bnx2x_queue_sp_obj *o = params->q_obj;
- return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_EMPTY, o->cid, 0, 0,
+ return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_EMPTY,
+ o->cids[BNX2X_PRIMARY_CID_INDEX], 0, 0,
ETH_CONNECTION_TYPE);
}
switch (params->cmd) {
case BNX2X_Q_CMD_INIT:
return bnx2x_q_init(bp, params);
+ case BNX2X_Q_CMD_SETUP_TX_ONLY:
+ return bnx2x_q_send_setup_tx_only(bp, params);
case BNX2X_Q_CMD_DEACTIVATE:
return bnx2x_q_send_deactivate(bp, params);
case BNX2X_Q_CMD_ACTIVATE:
case BNX2X_Q_CMD_SETUP:
return bnx2x_q_send_setup_e1x(bp, params);
case BNX2X_Q_CMD_INIT:
+ case BNX2X_Q_CMD_SETUP_TX_ONLY:
case BNX2X_Q_CMD_DEACTIVATE:
case BNX2X_Q_CMD_ACTIVATE:
case BNX2X_Q_CMD_UPDATE:
case BNX2X_Q_CMD_SETUP:
return bnx2x_q_send_setup_e2(bp, params);
case BNX2X_Q_CMD_INIT:
+ case BNX2X_Q_CMD_SETUP_TX_ONLY:
case BNX2X_Q_CMD_DEACTIVATE:
case BNX2X_Q_CMD_ACTIVATE:
case BNX2X_Q_CMD_UPDATE:
{
enum bnx2x_q_state state = o->state, next_state = BNX2X_Q_STATE_MAX;
enum bnx2x_queue_cmd cmd = params->cmd;
+ struct bnx2x_queue_update_params *update_params =
+ ¶ms->params.update;
+ u8 next_tx_only = o->num_tx_only;
switch (state) {
case BNX2X_Q_STATE_RESET:
(cmd == BNX2X_Q_CMD_UPDATE_TPA))
next_state = BNX2X_Q_STATE_ACTIVE;
+ else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) {
+ next_state = BNX2X_Q_STATE_MULTI_COS;
+ next_tx_only = 1;
+ }
+
else if (cmd == BNX2X_Q_CMD_HALT)
next_state = BNX2X_Q_STATE_STOPPED;
else if (cmd == BNX2X_Q_CMD_UPDATE) {
- struct bnx2x_queue_update_params *update_params =
- ¶ms->params.update;
+ /* If "active" state change is requested, update the
+ * state accordingly.
+ */
+ if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG,
+ &update_params->update_flags) &&
+ !test_bit(BNX2X_Q_UPDATE_ACTIVATE,
+ &update_params->update_flags))
+ next_state = BNX2X_Q_STATE_INACTIVE;
+ else
+ next_state = BNX2X_Q_STATE_ACTIVE;
+ }
+ break;
+ case BNX2X_Q_STATE_MULTI_COS:
+ if (cmd == BNX2X_Q_CMD_TERMINATE)
+ next_state = BNX2X_Q_STATE_MCOS_TERMINATED;
+
+ else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) {
+ next_state = BNX2X_Q_STATE_MULTI_COS;
+ next_tx_only = o->num_tx_only + 1;
+ }
+
+ else if ((cmd == BNX2X_Q_CMD_EMPTY) ||
+ (cmd == BNX2X_Q_CMD_UPDATE_TPA))
+ next_state = BNX2X_Q_STATE_MULTI_COS;
+
+ else if (cmd == BNX2X_Q_CMD_UPDATE) {
/* If "active" state change is requested, update the
* state accordingly.
*/
&update_params->update_flags))
next_state = BNX2X_Q_STATE_INACTIVE;
else
+ next_state = BNX2X_Q_STATE_MULTI_COS;
+ }
+
+ break;
+ case BNX2X_Q_STATE_MCOS_TERMINATED:
+ if (cmd == BNX2X_Q_CMD_CFC_DEL) {
+ next_tx_only = o->num_tx_only - 1;
+ if (next_tx_only == 0)
next_state = BNX2X_Q_STATE_ACTIVE;
+ else
+ next_state = BNX2X_Q_STATE_MULTI_COS;
}
break;
next_state = BNX2X_Q_STATE_STOPPED;
else if (cmd == BNX2X_Q_CMD_UPDATE) {
- struct bnx2x_queue_update_params *update_params =
- ¶ms->params.update;
-
/* If "active" state change is requested, update the
* state accordingly.
*/
if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG,
&update_params->update_flags) &&
test_bit(BNX2X_Q_UPDATE_ACTIVATE,
- &update_params->update_flags))
- next_state = BNX2X_Q_STATE_ACTIVE;
- else
+ &update_params->update_flags)){
+ if (o->num_tx_only == 0)
+ next_state = BNX2X_Q_STATE_ACTIVE;
+ else /* tx only queues exist for this queue */
+ next_state = BNX2X_Q_STATE_MULTI_COS;
+ } else
next_state = BNX2X_Q_STATE_INACTIVE;
}
DP(BNX2X_MSG_SP, "Good state transition: %d(%d)->%d\n",
state, cmd, next_state);
o->next_state = next_state;
+ o->next_tx_only = next_tx_only;
return 0;
}
void bnx2x_init_queue_obj(struct bnx2x *bp,
struct bnx2x_queue_sp_obj *obj,
- u8 cl_id, u32 cid, u8 func_id, void *rdata,
+ u8 cl_id, u32 *cids, u8 cid_cnt, u8 func_id,
+ void *rdata,
dma_addr_t rdata_mapping, unsigned long type)
{
memset(obj, 0, sizeof(*obj));
- obj->cid = cid;
+ /* We support only BNX2X_MULTI_TX_COS Tx CoS at the moment */
+ BUG_ON(BNX2X_MULTI_TX_COS < cid_cnt);
+
+ memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt);
+ obj->max_cos = cid_cnt;
obj->cl_id = cl_id;
obj->func_id = func_id;
obj->rdata = rdata;
obj->set_pending = bnx2x_queue_set_pending;
}
+void bnx2x_queue_set_cos_cid(struct bnx2x *bp,
+ struct bnx2x_queue_sp_obj *obj,
+ u32 cid, u8 index)
+{
+ obj->cids[index] = cid;
+}
+
/********************** Function state object *********************************/
static int bnx2x_func_wait_comp(struct bnx2x *bp,
BNX2X_Q_STATE_RESET,
BNX2X_Q_STATE_INITIALIZED,
BNX2X_Q_STATE_ACTIVE,
+ BNX2X_Q_STATE_MULTI_COS,
+ BNX2X_Q_STATE_MCOS_TERMINATED,
BNX2X_Q_STATE_INACTIVE,
BNX2X_Q_STATE_STOPPED,
BNX2X_Q_STATE_TERMINATED,
enum bnx2x_queue_cmd {
BNX2X_Q_CMD_INIT,
BNX2X_Q_CMD_SETUP,
+ BNX2X_Q_CMD_SETUP_TX_ONLY,
BNX2X_Q_CMD_DEACTIVATE,
BNX2X_Q_CMD_ACTIVATE,
BNX2X_Q_CMD_UPDATE,
BNX2X_Q_TYPE_HAS_TX,
};
+#define BNX2X_PRIMARY_CID_INDEX 0
+#define BNX2X_MULTI_TX_COS_E1X 1
+#define BNX2X_MULTI_TX_COS_E2_E3A0 2
+#define BNX2X_MULTI_TX_COS_E3B0 3
+#define BNX2X_MULTI_TX_COS BNX2X_MULTI_TX_COS_E3B0
+
+
struct bnx2x_queue_init_params {
struct {
unsigned long flags;
} rx;
/* CID context in the host memory */
- struct eth_context *cxt;
+ struct eth_context *cxts[BNX2X_MULTI_TX_COS];
+
+ /* maximum number of cos supported by hardware */
+ u8 max_cos;
+};
+
+struct bnx2x_queue_terminate_params {
+ /* index within the tx_only cids of this queue object */
+ u8 cid_index;
+};
+
+struct bnx2x_queue_cfc_del_params {
+ /* index within the tx_only cids of this queue object */
+ u8 cid_index;
};
struct bnx2x_queue_update_params {
u16 def_vlan;
u16 silent_removal_value;
u16 silent_removal_mask;
+/* index within the tx_only cids of this queue object */
+ u8 cid_index;
};
struct rxq_pause_params {
u8 spcl_id;
u16 mtu;
+ u8 cos;
};
struct bnx2x_rxq_setup_params {
};
struct bnx2x_queue_setup_params {
- struct rxq_pause_params pause;
struct bnx2x_general_setup_params gen_params;
- struct bnx2x_rxq_setup_params rxq_params;
struct bnx2x_txq_setup_params txq_params;
+ struct bnx2x_rxq_setup_params rxq_params;
+ struct rxq_pause_params pause_params;
unsigned long flags;
};
+struct bnx2x_queue_setup_tx_only_params {
+ struct bnx2x_general_setup_params gen_params;
+ struct bnx2x_txq_setup_params txq_params;
+ unsigned long flags;
+ /* index within the tx_only cids of this queue object */
+ u8 cid_index;
+};
struct bnx2x_queue_state_params {
struct bnx2x_queue_sp_obj *q_obj;
enum bnx2x_queue_cmd cmd;
/* may have RAMROD_COMP_WAIT set only */
- unsigned long ramrod_flags;
+ unsigned long ramrod_flags;
/* Params according to the current command */
union {
- struct bnx2x_queue_update_params update;
- struct bnx2x_queue_setup_params setup;
- struct bnx2x_queue_init_params init;
+ struct bnx2x_queue_update_params update;
+ struct bnx2x_queue_setup_params setup;
+ struct bnx2x_queue_init_params init;
+ struct bnx2x_queue_setup_tx_only_params tx_only;
+ struct bnx2x_queue_terminate_params terminate;
+ struct bnx2x_queue_cfc_del_params cfc_del;
} params;
};
struct bnx2x_queue_sp_obj {
- u32 cid;
+ u32 cids[BNX2X_MULTI_TX_COS];
u8 cl_id;
u8 func_id;
+ /*
+ * number of traffic classes supported by queue.
+ * The primary connection of the queue suppotrs the first traffic
+ * class. Any further traffic class is suppoted by a tx-only
+ * connection.
+ *
+ * Therefore max_cos is also a number of valid entries in the cids
+ * array.
+ */
+ u8 max_cos;
+ u8 num_tx_only, next_tx_only;
+
enum bnx2x_q_state state, next_state;
/* bits from enum bnx2x_q_type */
/******************* Queue State **************/
void bnx2x_init_queue_obj(struct bnx2x *bp,
- struct bnx2x_queue_sp_obj *obj, u8 cl_id, u32 cid,
- u8 func_id, void *rdata, dma_addr_t rdata_mapping,
- unsigned long type);
+ struct bnx2x_queue_sp_obj *obj, u8 cl_id, u32 *cids,
+ u8 cid_cnt, u8 func_id, void *rdata,
+ dma_addr_t rdata_mapping, unsigned long type);
int bnx2x_queue_state_change(struct bnx2x *bp,
struct bnx2x_queue_state_params *params);
if (netif_msg_timer(bp)) {
struct bnx2x_eth_stats *estats = &bp->eth_stats;
- int i;
+ int i, cos;
netdev_dbg(bp->dev, "brb drops %u brb truncate %u\n",
estats->brb_drop_lo, estats->brb_truncate_lo);
for_each_eth_queue(bp, i) {
struct bnx2x_fastpath *fp = &bp->fp[i];
+ struct bnx2x_fp_txdata *txdata;
struct bnx2x_eth_q_stats *qstats = &fp->eth_q_stats;
- struct netdev_queue *txq =
- netdev_get_tx_queue(bp->dev, i);
-
- printk(KERN_DEBUG "%s: tx avail(%4u) *tx_cons_sb(%u)"
- " tx pkt(%lu) tx calls (%lu)"
- " %s (Xoff events %u)\n",
- fp->name, bnx2x_tx_avail(fp),
- le16_to_cpu(*fp->tx_cons_sb),
- bnx2x_hilo(&qstats->
- total_unicast_packets_transmitted_hi),
- fp->tx_pkt,
- (netif_tx_queue_stopped(txq) ? "Xoff" : "Xon"),
- qstats->driver_xoff);
+ struct netdev_queue *txq;
+
+ printk(KERN_DEBUG "%s: tx pkt(%lu) (Xoff events %u)",
+ fp->name, bnx2x_hilo(
+ &qstats->total_unicast_packets_transmitted_hi),
+ qstats->driver_xoff);
+
+ for_each_cos_in_tx_queue(fp, cos) {
+ txdata = &fp->txdata[cos];
+ txq = netdev_get_tx_queue(bp->dev,
+ FP_COS_TO_TXQ(fp, cos));
+
+ printk(KERN_DEBUG "%d: tx avail(%4u)"
+ " *tx_cons_sb(%u)"
+ " tx calls (%lu)"
+ " %s\n",
+ cos,
+ bnx2x_tx_avail(bp, txdata),
+ le16_to_cpu(*txdata->tx_cons_sb),
+ txdata->tx_pkt,
+ (netif_tx_queue_stopped(txq) ?
+ "Xoff" : "Xon")
+ );
+ }
}
}
projects / platform / kernel / linux-3.10.git / commitdiff