diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 513 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 59 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 11 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c | 23 |
4 files changed, 385 insertions, 221 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index d0359b569afe..e6ac1bd21bb3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -331,16 +331,16 @@ static void bnxt_sched_reset_rxr(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) } void bnxt_sched_reset_txr(struct bnxt *bp, struct bnxt_tx_ring_info *txr, - int idx) + u16 curr) { struct bnxt_napi *bnapi = txr->bnapi; if (bnapi->tx_fault) return; - netdev_err(bp->dev, "Invalid Tx completion (ring:%d tx_pkts:%d cons:%u prod:%u i:%d)", - txr->txq_index, bnapi->tx_pkts, - txr->tx_cons, txr->tx_prod, idx); + netdev_err(bp->dev, "Invalid Tx completion (ring:%d tx_hw_cons:%u cons:%u prod:%u curr:%u)", + txr->txq_index, txr->tx_hw_cons, + txr->tx_cons, txr->tx_prod, curr); WARN_ON_ONCE(1); bnapi->tx_fault = 1; bnxt_queue_sp_work(bp, BNXT_RESET_TASK_SP_EVENT); @@ -381,6 +381,8 @@ static u16 bnxt_xmit_get_cfa_action(struct sk_buff *skb) static void bnxt_txr_db_kick(struct bnxt *bp, struct bnxt_tx_ring_info *txr, u16 prod) { + /* Sync BD data before updating doorbell */ + wmb(); bnxt_db_write(bp, &txr->tx_db, prod); txr->kick_pending = 0; } @@ -388,7 +390,7 @@ static void bnxt_txr_db_kick(struct bnxt *bp, struct bnxt_tx_ring_info *txr, static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct bnxt *bp = netdev_priv(dev); - struct tx_bd *txbd; + struct tx_bd *txbd, *txbd0; struct tx_bd_ext *txbd1; struct netdev_queue *txq; int i; @@ -432,8 +434,6 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; - txbd->tx_bd_opaque = prod; - tx_buf = &txr->tx_buf_ring[prod]; tx_buf->skb = skb; tx_buf->nr_frags = last_frag; @@ -519,7 +519,9 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) txbd->tx_bd_len_flags_type = tx_push->tx_bd_len_flags_type; txbd->tx_bd_haddr = txr->data_mapping; + txbd->tx_bd_opaque = SET_TX_OPAQUE(bp, txr, prod, 2); prod = NEXT_TX(prod); + tx_push->tx_bd_opaque = txbd->tx_bd_opaque; txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)]; memcpy(txbd, tx_push1, sizeof(*txbd)); prod = NEXT_TX(prod); @@ -562,6 +564,7 @@ normal_tx: ((last_frag + 2) << TX_BD_FLAGS_BD_CNT_SHIFT); txbd->tx_bd_haddr = cpu_to_le64(mapping); + txbd->tx_bd_opaque = SET_TX_OPAQUE(bp, txr, prod, 2 + last_frag); prod = NEXT_TX(prod); txbd1 = (struct tx_bd_ext *) @@ -601,6 +604,7 @@ normal_tx: txbd1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags); txbd1->tx_bd_cfa_action = cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT); + txbd0 = txbd; for (i = 0; i < last_frag; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; @@ -632,16 +636,17 @@ normal_tx: skb_tx_timestamp(skb); - /* Sync BD data before updating doorbell */ - wmb(); - prod = NEXT_TX(prod); WRITE_ONCE(txr->tx_prod, prod); - if (!netdev_xmit_more() || netif_xmit_stopped(txq)) + if (!netdev_xmit_more() || netif_xmit_stopped(txq)) { bnxt_txr_db_kick(bp, txr, prod); - else + } else { + if (free_size >= bp->tx_wake_thresh) + txbd0->tx_bd_len_flags_type |= + cpu_to_le32(TX_BD_FLAGS_NO_CMPL); txr->kick_pending = 1; + } tx_done: @@ -686,17 +691,17 @@ tx_kick_pending: return NETDEV_TX_OK; } -static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) +static void __bnxt_tx_int(struct bnxt *bp, struct bnxt_tx_ring_info *txr, + int budget) { - struct bnxt_tx_ring_info *txr = bnapi->tx_ring; struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txr->txq_index); - u16 cons = txr->tx_cons; struct pci_dev *pdev = bp->pdev; - int nr_pkts = bnapi->tx_pkts; - int i; + u16 hw_cons = txr->tx_hw_cons; unsigned int tx_bytes = 0; + u16 cons = txr->tx_cons; + int tx_pkts = 0; - for (i = 0; i < nr_pkts; i++) { + while (cons != hw_cons) { struct bnxt_sw_tx_bd *tx_buf; struct sk_buff *skb; int j, last; @@ -707,10 +712,11 @@ static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) tx_buf->skb = NULL; if (unlikely(!skb)) { - bnxt_sched_reset_txr(bp, txr, i); + bnxt_sched_reset_txr(bp, txr, cons); return; } + tx_pkts++; tx_bytes += skb->len; if (tx_buf->is_push) { @@ -747,14 +753,25 @@ next_tx_int: dev_consume_skb_any(skb); } - bnapi->tx_pkts = 0; WRITE_ONCE(txr->tx_cons, cons); - __netif_txq_completed_wake(txq, nr_pkts, tx_bytes, + __netif_txq_completed_wake(txq, tx_pkts, tx_bytes, bnxt_tx_avail(bp, txr), bp->tx_wake_thresh, READ_ONCE(txr->dev_state) == BNXT_DEV_STATE_CLOSING); } +static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) +{ + struct bnxt_tx_ring_info *txr; + int i; + + bnxt_for_each_napi_tx(i, bnapi, txr) { + if (txr->tx_hw_cons != txr->tx_cons) + __bnxt_tx_int(bp, txr, budget); + } + bnapi->events &= ~BNXT_TX_CMP_EVENT; +} + static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping, struct bnxt_rx_ring_info *rxr, unsigned int *offset, @@ -2588,7 +2605,6 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, struct bnxt_napi *bnapi = cpr->bnapi; u32 raw_cons = cpr->cp_raw_cons; u32 cons; - int tx_pkts = 0; int rx_pkts = 0; u8 event = 0; struct tx_cmp *txcmp; @@ -2609,9 +2625,17 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, */ dma_rmb(); if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) { - tx_pkts++; + u32 opaque = txcmp->tx_cmp_opaque; + struct bnxt_tx_ring_info *txr; + u16 tx_freed; + + txr = bnapi->tx_ring[TX_OPAQUE_RING(opaque)]; + event |= BNXT_TX_CMP_EVENT; + txr->tx_hw_cons = TX_OPAQUE_PROD(bp, opaque); + tx_freed = (txr->tx_hw_cons - txr->tx_cons) & + bp->tx_ring_mask; /* return full budget so NAPI will complete. */ - if (unlikely(tx_pkts >= bp->tx_wake_thresh)) { + if (unlikely(tx_freed >= bp->tx_wake_thresh)) { rx_pkts = budget; raw_cons = NEXT_RAW_CMP(raw_cons); if (budget) @@ -2655,7 +2679,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, xdp_do_flush(); if (event & BNXT_TX_EVENT) { - struct bnxt_tx_ring_info *txr = bnapi->tx_ring; + struct bnxt_tx_ring_info *txr = bnapi->tx_ring[0]; u16 prod = txr->tx_prod; /* Sync BD data before updating doorbell */ @@ -2665,7 +2689,6 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, } cpr->cp_raw_cons = raw_cons; - bnapi->tx_pkts += tx_pkts; bnapi->events |= event; return rx_pkts; } @@ -2673,7 +2696,7 @@ static int __bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, static void __bnxt_poll_work_done(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) { - if (bnapi->tx_pkts && !bnapi->tx_fault) + if ((bnapi->events & BNXT_TX_CMP_EVENT) && !bnapi->tx_fault) bnapi->tx_int(bp, bnapi, budget); if ((bnapi->events & BNXT_RX_EVENT) && !(bnapi->in_reset)) { @@ -2686,7 +2709,7 @@ static void __bnxt_poll_work_done(struct bnxt *bp, struct bnxt_napi *bnapi, bnxt_db_write(bp, &rxr->rx_agg_db, rxr->rx_agg_prod); } - bnapi->events = 0; + bnapi->events &= BNXT_TX_CMP_EVENT; } static int bnxt_poll_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, @@ -2826,14 +2849,11 @@ static int __bnxt_poll_cqs(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; int i, work_done = 0; - for (i = 0; i < 2; i++) { - struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[i]; + for (i = 0; i < cpr->cp_ring_count; i++) { + struct bnxt_cp_ring_info *cpr2 = &cpr->cp_ring_arr[i]; - if (cpr2) { - work_done += __bnxt_poll_work(bp, cpr2, - budget - work_done); - cpr->has_more_work |= cpr2->has_more_work; - } + work_done += __bnxt_poll_work(bp, cpr2, budget - work_done); + cpr->has_more_work |= cpr2->has_more_work; } return work_done; } @@ -2844,11 +2864,11 @@ static void __bnxt_poll_cqs_done(struct bnxt *bp, struct bnxt_napi *bnapi, struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; int i; - for (i = 0; i < 2; i++) { - struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[i]; + for (i = 0; i < cpr->cp_ring_count; i++) { + struct bnxt_cp_ring_info *cpr2 = &cpr->cp_ring_arr[i]; struct bnxt_db_info *db; - if (cpr2 && cpr2->had_work_done) { + if (cpr2->had_work_done) { db = &cpr2->cp_db; bnxt_writeq(bp, db->db_key64 | dbr_type | RING_CMP(cpr2->cp_raw_cons), db->doorbell); @@ -2901,13 +2921,16 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget) if (nqcmp->type == cpu_to_le16(NQ_CN_TYPE_CQ_NOTIFICATION)) { u32 idx = le32_to_cpu(nqcmp->cq_handle_low); + u32 cq_type = BNXT_NQ_HDL_TYPE(idx); struct bnxt_cp_ring_info *cpr2; /* No more budget for RX work */ - if (budget && work_done >= budget && idx == BNXT_RX_HDL) + if (budget && work_done >= budget && + cq_type == BNXT_NQ_HDL_TYPE_RX) break; - cpr2 = cpr->cp_ring_arr[idx]; + idx = BNXT_NQ_HDL_IDX(idx); + cpr2 = &cpr->cp_ring_arr[idx]; work_done += __bnxt_poll_work(bp, cpr2, budget - work_done); cpr->has_more_work |= cpr2->has_more_work; @@ -2922,8 +2945,9 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget) BNXT_DB_NQ_P5(&cpr->cp_db, raw_cons); } poll_done: - cpr_rx = cpr->cp_ring_arr[BNXT_RX_HDL]; - if (cpr_rx && (bp->flags & BNXT_FLAG_DIM)) { + cpr_rx = &cpr->cp_ring_arr[0]; + if (cpr_rx->cp_ring_type == BNXT_NQ_HDL_TYPE_RX && + (bp->flags & BNXT_FLAG_DIM)) { struct dim_sample dim_sample = {}; dim_update_sample(cpr->event_ctr, @@ -3395,6 +3419,15 @@ static void bnxt_free_tx_rings(struct bnxt *bp) } } +#define BNXT_TC_TO_RING_BASE(bp, tc) \ + ((tc) * (bp)->tx_nr_rings_per_tc) + +#define BNXT_RING_TO_TC_OFF(bp, tx) \ + ((tx) % (bp)->tx_nr_rings_per_tc) + +#define BNXT_RING_TO_TC(bp, tx) \ + ((tx) / (bp)->tx_nr_rings_per_tc) + static int bnxt_alloc_tx_rings(struct bnxt *bp) { int i, j, rc; @@ -3450,7 +3483,7 @@ static int bnxt_alloc_tx_rings(struct bnxt *bp) spin_lock_init(&txr->xdp_tx_lock); if (i < bp->tx_nr_rings_xdp) continue; - if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1)) + if (BNXT_RING_TO_TC_OFF(bp, i) == (bp->tx_nr_rings_per_tc - 1)) j++; } return 0; @@ -3533,36 +3566,33 @@ static void bnxt_free_cp_rings(struct bnxt *bp) bnxt_free_ring(bp, &ring->ring_mem); - for (j = 0; j < 2; j++) { - struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; + if (!cpr->cp_ring_arr) + continue; - if (cpr2) { - ring = &cpr2->cp_ring_struct; - bnxt_free_ring(bp, &ring->ring_mem); - bnxt_free_cp_arrays(cpr2); - kfree(cpr2); - cpr->cp_ring_arr[j] = NULL; - } + for (j = 0; j < cpr->cp_ring_count; j++) { + struct bnxt_cp_ring_info *cpr2 = &cpr->cp_ring_arr[j]; + + ring = &cpr2->cp_ring_struct; + bnxt_free_ring(bp, &ring->ring_mem); + bnxt_free_cp_arrays(cpr2); } + kfree(cpr->cp_ring_arr); + cpr->cp_ring_arr = NULL; + cpr->cp_ring_count = 0; } } -static struct bnxt_cp_ring_info *bnxt_alloc_cp_sub_ring(struct bnxt *bp) +static int bnxt_alloc_cp_sub_ring(struct bnxt *bp, + struct bnxt_cp_ring_info *cpr) { struct bnxt_ring_mem_info *rmem; struct bnxt_ring_struct *ring; - struct bnxt_cp_ring_info *cpr; int rc; - cpr = kzalloc(sizeof(*cpr), GFP_KERNEL); - if (!cpr) - return NULL; - rc = bnxt_alloc_cp_arrays(cpr, bp->cp_nr_pages); if (rc) { bnxt_free_cp_arrays(cpr); - kfree(cpr); - return NULL; + return -ENOMEM; } ring = &cpr->cp_ring_struct; rmem = &ring->ring_mem; @@ -3575,23 +3605,26 @@ static struct bnxt_cp_ring_info *bnxt_alloc_cp_sub_ring(struct bnxt *bp) if (rc) { bnxt_free_ring(bp, rmem); bnxt_free_cp_arrays(cpr); - kfree(cpr); - cpr = NULL; } - return cpr; + return rc; } static int bnxt_alloc_cp_rings(struct bnxt *bp) { bool sh = !!(bp->flags & BNXT_FLAG_SHARED_RINGS); - int i, rc, ulp_base_vec, ulp_msix; + int i, j, rc, ulp_base_vec, ulp_msix; + int tcs = netdev_get_num_tc(bp->dev); + if (!tcs) + tcs = 1; ulp_msix = bnxt_get_ulp_msix_num(bp); ulp_base_vec = bnxt_get_ulp_msix_base(bp); - for (i = 0; i < bp->cp_nr_rings; i++) { + for (i = 0, j = 0; i < bp->cp_nr_rings; i++) { struct bnxt_napi *bnapi = bp->bnapi[i]; - struct bnxt_cp_ring_info *cpr; + struct bnxt_cp_ring_info *cpr, *cpr2; struct bnxt_ring_struct *ring; + int cp_count = 0, k; + int rx = 0, tx = 0; if (!bnapi) continue; @@ -3613,31 +3646,51 @@ static int bnxt_alloc_cp_rings(struct bnxt *bp) continue; if (i < bp->rx_nr_rings) { - struct bnxt_cp_ring_info *cpr2 = - bnxt_alloc_cp_sub_ring(bp); - - cpr->cp_ring_arr[BNXT_RX_HDL] = cpr2; - if (!cpr2) - return -ENOMEM; - cpr2->bnapi = bnapi; + cp_count++; + rx = 1; + } + if (i < bp->tx_nr_rings_xdp) { + cp_count++; + tx = 1; + } else if ((sh && i < bp->tx_nr_rings) || + (!sh && i >= bp->rx_nr_rings)) { + cp_count += tcs; + tx = 1; } - if ((sh && i < bp->tx_nr_rings) || - (!sh && i >= bp->rx_nr_rings)) { - struct bnxt_cp_ring_info *cpr2 = - bnxt_alloc_cp_sub_ring(bp); - cpr->cp_ring_arr[BNXT_TX_HDL] = cpr2; - if (!cpr2) - return -ENOMEM; + cpr->cp_ring_arr = kcalloc(cp_count, sizeof(*cpr), + GFP_KERNEL); + if (!cpr->cp_ring_arr) + return -ENOMEM; + cpr->cp_ring_count = cp_count; + + for (k = 0; k < cp_count; k++) { + cpr2 = &cpr->cp_ring_arr[k]; + rc = bnxt_alloc_cp_sub_ring(bp, cpr2); + if (rc) + return rc; cpr2->bnapi = bnapi; + cpr2->cp_idx = k; + if (!k && rx) { + bp->rx_ring[i].rx_cpr = cpr2; + cpr2->cp_ring_type = BNXT_NQ_HDL_TYPE_RX; + } else { + int n, tc = k - rx; + + n = BNXT_TC_TO_RING_BASE(bp, tc) + j; + bp->tx_ring[n].tx_cpr = cpr2; + cpr2->cp_ring_type = BNXT_NQ_HDL_TYPE_TX; + } } + if (tx) + j++; } return 0; } static void bnxt_init_ring_struct(struct bnxt *bp) { - int i; + int i, j; for (i = 0; i < bp->cp_nr_rings; i++) { struct bnxt_napi *bnapi = bp->bnapi[i]; @@ -3682,18 +3735,16 @@ static void bnxt_init_ring_struct(struct bnxt *bp) rmem->vmem = (void **)&rxr->rx_agg_ring; skip_rx: - txr = bnapi->tx_ring; - if (!txr) - continue; - - ring = &txr->tx_ring_struct; - rmem = &ring->ring_mem; - rmem->nr_pages = bp->tx_nr_pages; - rmem->page_size = HW_RXBD_RING_SIZE; - rmem->pg_arr = (void **)txr->tx_desc_ring; - rmem->dma_arr = txr->tx_desc_mapping; - rmem->vmem_size = SW_TXBD_RING_SIZE * bp->tx_nr_pages; - rmem->vmem = (void **)&txr->tx_buf_ring; + bnxt_for_each_napi_tx(j, bnapi, txr) { + ring = &txr->tx_ring_struct; + rmem = &ring->ring_mem; + rmem->nr_pages = bp->tx_nr_pages; + rmem->page_size = HW_TXBD_RING_SIZE; + rmem->pg_arr = (void **)txr->tx_desc_ring; + rmem->dma_arr = txr->tx_desc_mapping; + rmem->vmem_size = SW_TXBD_RING_SIZE * bp->tx_nr_pages; + rmem->vmem = (void **)&txr->tx_buf_ring; + } } } @@ -3814,11 +3865,10 @@ static void bnxt_init_cp_rings(struct bnxt *bp) ring->fw_ring_id = INVALID_HW_RING_ID; cpr->rx_ring_coal.coal_ticks = bp->rx_coal.coal_ticks; cpr->rx_ring_coal.coal_bufs = bp->rx_coal.coal_bufs; - for (j = 0; j < 2; j++) { - struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; - - if (!cpr2) - continue; + if (!cpr->cp_ring_arr) + continue; + for (j = 0; j < cpr->cp_ring_count; j++) { + struct bnxt_cp_ring_info *cpr2 = &cpr->cp_ring_arr[j]; ring = &cpr2->cp_ring_struct; ring->fw_ring_id = INVALID_HW_RING_ID; @@ -4493,7 +4543,7 @@ alloc_tx_ext_stats: static void bnxt_clear_ring_indices(struct bnxt *bp) { - int i; + int i, j; if (!bp->bnapi) return; @@ -4510,10 +4560,10 @@ static void bnxt_clear_ring_indices(struct bnxt *bp) cpr = &bnapi->cp_ring; cpr->cp_raw_cons = 0; - txr = bnapi->tx_ring; - if (txr) { + bnxt_for_each_napi_tx(j, bnapi, txr) { txr->tx_prod = 0; txr->tx_cons = 0; + txr->tx_hw_cons = 0; } rxr = bnapi->rx_ring; @@ -4523,6 +4573,7 @@ static void bnxt_clear_ring_indices(struct bnxt *bp) rxr->rx_sw_agg_prod = 0; rxr->rx_next_cons = 0; } + bnapi->events = 0; } } @@ -4649,6 +4700,8 @@ static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) BNXT_RMEM_RING_PTE_FLAG; rxr->rx_agg_ring_struct.ring_mem.flags = BNXT_RMEM_RING_PTE_FLAG; + } else { + rxr->rx_cpr = &bp->bnapi[i]->cp_ring; } rxr->bnapi = bp->bnapi[i]; bp->bnapi[i]->rx_ring = &bp->rx_ring[i]; @@ -4671,22 +4724,33 @@ static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init) else j = bp->rx_nr_rings; - for (i = 0; i < bp->tx_nr_rings; i++, j++) { + for (i = 0; i < bp->tx_nr_rings; i++) { struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; + struct bnxt_napi *bnapi2; if (bp->flags & BNXT_FLAG_CHIP_P5) txr->tx_ring_struct.ring_mem.flags = BNXT_RMEM_RING_PTE_FLAG; - txr->bnapi = bp->bnapi[j]; - bp->bnapi[j]->tx_ring = txr; bp->tx_ring_map[i] = bp->tx_nr_rings_xdp + i; if (i >= bp->tx_nr_rings_xdp) { + int k = j + BNXT_RING_TO_TC_OFF(bp, i); + + bnapi2 = bp->bnapi[k]; txr->txq_index = i - bp->tx_nr_rings_xdp; - bp->bnapi[j]->tx_int = bnxt_tx_int; + txr->tx_napi_idx = + BNXT_RING_TO_TC(bp, txr->txq_index); + bnapi2->tx_ring[txr->tx_napi_idx] = txr; + bnapi2->tx_int = bnxt_tx_int; } else { - bp->bnapi[j]->flags |= BNXT_NAPI_FLAG_XDP; - bp->bnapi[j]->tx_int = bnxt_tx_int_xdp; + bnapi2 = bp->bnapi[j]; + bnapi2->flags |= BNXT_NAPI_FLAG_XDP; + bnapi2->tx_ring[0] = txr; + bnapi2->tx_int = bnxt_tx_int_xdp; + j++; } + txr->bnapi = bnapi2; + if (!(bp->flags & BNXT_FLAG_CHIP_P5)) + txr->tx_cpr = &bnapi2->cp_ring; } rc = bnxt_alloc_stats(bp); @@ -5237,28 +5301,18 @@ static u16 bnxt_cp_ring_from_grp(struct bnxt *bp, struct bnxt_ring_struct *ring) static u16 bnxt_cp_ring_for_rx(struct bnxt *bp, struct bnxt_rx_ring_info *rxr) { - if (bp->flags & BNXT_FLAG_CHIP_P5) { - struct bnxt_napi *bnapi = rxr->bnapi; - struct bnxt_cp_ring_info *cpr; - - cpr = bnapi->cp_ring.cp_ring_arr[BNXT_RX_HDL]; - return cpr->cp_ring_struct.fw_ring_id; - } else { + if (bp->flags & BNXT_FLAG_CHIP_P5) + return rxr->rx_cpr->cp_ring_struct.fw_ring_id; + else return bnxt_cp_ring_from_grp(bp, &rxr->rx_ring_struct); - } } static u16 bnxt_cp_ring_for_tx(struct bnxt *bp, struct bnxt_tx_ring_info *txr) { - if (bp->flags & BNXT_FLAG_CHIP_P5) { - struct bnxt_napi *bnapi = txr->bnapi; - struct bnxt_cp_ring_info *cpr; - - cpr = bnapi->cp_ring.cp_ring_arr[BNXT_TX_HDL]; - return cpr->cp_ring_struct.fw_ring_id; - } else { + if (bp->flags & BNXT_FLAG_CHIP_P5) + return txr->tx_cpr->cp_ring_struct.fw_ring_id; + else return bnxt_cp_ring_from_grp(bp, &txr->tx_ring_struct); - } } static int bnxt_alloc_rss_indir_tbl(struct bnxt *bp) @@ -6017,14 +6071,12 @@ static int bnxt_hwrm_ring_alloc(struct bnxt *bp) u32 map_idx; if (bp->flags & BNXT_FLAG_CHIP_P5) { + struct bnxt_cp_ring_info *cpr2 = txr->tx_cpr; struct bnxt_napi *bnapi = txr->bnapi; - struct bnxt_cp_ring_info *cpr, *cpr2; u32 type2 = HWRM_RING_ALLOC_CMPL; - cpr = &bnapi->cp_ring; - cpr2 = cpr->cp_ring_arr[BNXT_TX_HDL]; ring = &cpr2->cp_ring_struct; - ring->handle = BNXT_TX_HDL; + ring->handle = BNXT_SET_NQ_HDL(cpr2); map_idx = bnapi->index; rc = hwrm_ring_alloc_send_msg(bp, ring, type2, map_idx); if (rc) @@ -6057,13 +6109,11 @@ static int bnxt_hwrm_ring_alloc(struct bnxt *bp) bnxt_db_write(bp, &rxr->rx_db, rxr->rx_prod); bp->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id; if (bp->flags & BNXT_FLAG_CHIP_P5) { - struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; + struct bnxt_cp_ring_info *cpr2 = rxr->rx_cpr; u32 type2 = HWRM_RING_ALLOC_CMPL; - struct bnxt_cp_ring_info *cpr2; - cpr2 = cpr->cp_ring_arr[BNXT_RX_HDL]; ring = &cpr2->cp_ring_struct; - ring->handle = BNXT_RX_HDL; + ring->handle = BNXT_SET_NQ_HDL(cpr2); rc = hwrm_ring_alloc_send_msg(bp, ring, type2, map_idx); if (rc) goto err_out; @@ -6208,18 +6258,16 @@ static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path) struct bnxt_ring_struct *ring; int j; - for (j = 0; j < 2; j++) { - struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; - - if (cpr2) { - ring = &cpr2->cp_ring_struct; - if (ring->fw_ring_id == INVALID_HW_RING_ID) - continue; - hwrm_ring_free_send_msg(bp, ring, - RING_FREE_REQ_RING_TYPE_L2_CMPL, - INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; - } + for (j = 0; j < cpr->cp_ring_count && cpr->cp_ring_arr; j++) { + struct bnxt_cp_ring_info *cpr2 = &cpr->cp_ring_arr[j]; + + ring = &cpr2->cp_ring_struct; + if (ring->fw_ring_id == INVALID_HW_RING_ID) + continue; + hwrm_ring_free_send_msg(bp, ring, + RING_FREE_REQ_RING_TYPE_L2_CMPL, + INVALID_HW_RING_ID); + ring->fw_ring_id = INVALID_HW_RING_ID; } ring = &cpr->cp_ring_struct; if (ring->fw_ring_id != INVALID_HW_RING_ID) { @@ -6274,7 +6322,8 @@ static int bnxt_hwrm_get_rings(struct bnxt *bp) if (bp->flags & BNXT_FLAG_AGG_RINGS) rx >>= 1; if (cp < (rx + tx)) { - bnxt_trim_rings(bp, &rx, &tx, cp, false); + rx = cp / 2; + tx = rx; if (bp->flags & BNXT_FLAG_AGG_RINGS) rx <<= 1; hw_resc->resv_rx_rings = rx; @@ -6575,6 +6624,7 @@ static int __bnxt_reserve_rings(struct bnxt *bp) int grp, rx_rings, rc; int vnic = 1, stat; bool sh = false; + int tx_cp; if (!bnxt_need_reserve_rings(bp)) return 0; @@ -6624,7 +6674,8 @@ static int __bnxt_reserve_rings(struct bnxt *bp) rc = bnxt_trim_rings(bp, &rx_rings, &tx, cp, sh); if (bp->flags & BNXT_FLAG_AGG_RINGS) rx = rx_rings << 1; - cp = sh ? max_t(int, tx, rx_rings) : tx + rx_rings; + tx_cp = bnxt_num_tx_to_cp(bp, tx); + cp = sh ? max_t(int, tx_cp, rx_rings) : tx_cp + rx_rings; bp->tx_nr_rings = tx; /* If we cannot reserve all the RX rings, reset the RSS map only @@ -6887,10 +6938,40 @@ int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi) return hwrm_req_send(bp, req_rx); } +static int +bnxt_hwrm_set_rx_coal(struct bnxt *bp, struct bnxt_napi *bnapi, + struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req) +{ + u16 ring_id = bnxt_cp_ring_for_rx(bp, bnapi->rx_ring); + + req->ring_id = cpu_to_le16(ring_id); + return hwrm_req_send(bp, req); +} + +static int +bnxt_hwrm_set_tx_coal(struct bnxt *bp, struct bnxt_napi *bnapi, + struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req) +{ + struct bnxt_tx_ring_info *txr; + int i, rc; + + bnxt_for_each_napi_tx(i, bnapi, txr) { + u16 ring_id; + + ring_id = bnxt_cp_ring_for_tx(bp, txr); + req->ring_id = cpu_to_le16(ring_id); + rc = hwrm_req_send(bp, req); + if (rc) + return rc; + if (!(bp->flags & BNXT_FLAG_CHIP_P5)) + return 0; + } + return 0; +} + int bnxt_hwrm_set_coal(struct bnxt *bp) { - struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req_rx, *req_tx, - *req; + struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req_rx, *req_tx; int i, rc; rc = hwrm_req_init(bp, req_rx, HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS); @@ -6911,29 +6992,19 @@ int bnxt_hwrm_set_coal(struct bnxt *bp) for (i = 0; i < bp->cp_nr_rings; i++) { struct bnxt_napi *bnapi = bp->bnapi[i]; struct bnxt_coal *hw_coal; - u16 ring_id; - - req = req_rx; - if (!bnapi->rx_ring) { - ring_id = bnxt_cp_ring_for_tx(bp, bnapi->tx_ring); - req = req_tx; - } else { - ring_id = bnxt_cp_ring_for_rx(bp, bnapi->rx_ring); - } - req->ring_id = cpu_to_le16(ring_id); - rc = hwrm_req_send(bp, req); + if (!bnapi->rx_ring) + rc = bnxt_hwrm_set_tx_coal(bp, bnapi, req_tx); + else + rc = bnxt_hwrm_set_rx_coal(bp, bnapi, req_rx); if (rc) break; if (!(bp->flags & BNXT_FLAG_CHIP_P5)) continue; - if (bnapi->rx_ring && bnapi->tx_ring) { - req = req_tx; - ring_id = bnxt_cp_ring_for_tx(bp, bnapi->tx_ring); - req->ring_id = cpu_to_le16(ring_id); - rc = hwrm_req_send(bp, req); + if (bnapi->rx_ring && bnapi->tx_ring[0]) { + rc = bnxt_hwrm_set_tx_coal(bp, bnapi, req_tx); if (rc) break; } @@ -9031,8 +9102,8 @@ static int bnxt_set_real_num_queues(struct bnxt *bp) return rc; } -static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, - bool shared) +static int __bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, + bool shared) { int _rx = *rx, _tx = *tx; @@ -9055,6 +9126,46 @@ static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, return 0; } +static int __bnxt_num_tx_to_cp(struct bnxt *bp, int tx, int tx_sets, int tx_xdp) +{ + return (tx - tx_xdp) / tx_sets + tx_xdp; +} + +int bnxt_num_tx_to_cp(struct bnxt *bp, int tx) +{ + int tcs = netdev_get_num_tc(bp->dev); + + if (!tcs) + tcs = 1; + return __bnxt_num_tx_to_cp(bp, tx, tcs, bp->tx_nr_rings_xdp); +} + +static int bnxt_num_cp_to_tx(struct bnxt *bp, int tx_cp) +{ + int tcs = netdev_get_num_tc(bp->dev); + + return (tx_cp - bp->tx_nr_rings_xdp) * tcs + + bp->tx_nr_rings_xdp; +} + +static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max, + bool sh) +{ + int tx_cp = bnxt_num_tx_to_cp(bp, *tx); + + if (tx_cp != *tx) { + int tx_saved = tx_cp, rc; + + rc = __bnxt_trim_rings(bp, rx, &tx_cp, max, sh); + if (rc) + return rc; + if (tx_cp != tx_saved) + *tx = bnxt_num_cp_to_tx(bp, tx_cp); + return 0; + } + return __bnxt_trim_rings(bp, rx, tx, max, sh); +} + static void bnxt_setup_msix(struct bnxt *bp) { const int len = sizeof(bp->irq_tbl[0].name); @@ -9067,7 +9178,7 @@ static void bnxt_setup_msix(struct bnxt *bp) for (i = 0; i < tcs; i++) { count = bp->tx_nr_rings_per_tc; - off = i * count; + off = BNXT_TC_TO_RING_BASE(bp, i); netdev_set_tc_queue(dev, i, count, off); } } @@ -9217,7 +9328,7 @@ static int bnxt_get_num_msix(struct bnxt *bp) static int bnxt_init_msix(struct bnxt *bp) { - int i, total_vecs, max, rc = 0, min = 1, ulp_msix; + int i, total_vecs, max, rc = 0, min = 1, ulp_msix, tx_cp; struct msix_entry *msix_ent; total_vecs = bnxt_get_num_msix(bp); @@ -9259,9 +9370,10 @@ static int bnxt_init_msix(struct bnxt *bp) if (rc) goto msix_setup_exit; + tx_cp = bnxt_num_tx_to_cp(bp, bp->tx_nr_rings); bp->cp_nr_rings = (min == 1) ? - max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : - bp->tx_nr_rings + bp->rx_nr_rings; + max_t(int, tx_cp, bp->rx_nr_rings) : + tx_cp + bp->rx_nr_rings; } else { rc = -ENOMEM; @@ -9527,8 +9639,6 @@ static void bnxt_enable_napi(struct bnxt *bp) cpr = &bnapi->cp_ring; bnapi->in_reset = false; - bnapi->tx_pkts = 0; - if (bnapi->rx_ring) { INIT_WORK(&cpr->dim.work, bnxt_dim_work); cpr->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE; @@ -11559,15 +11669,13 @@ static int bnxt_dbg_hwrm_ring_info_get(struct bnxt *bp, u8 ring_type, static void bnxt_dump_tx_sw_state(struct bnxt_napi *bnapi) { - struct bnxt_tx_ring_info *txr = bnapi->tx_ring; - int i = bnapi->index; - - if (!txr) - return; + struct bnxt_tx_ring_info *txr; + int i = bnapi->index, j; - netdev_info(bnapi->bp->dev, "[%d]: tx{fw_ring: %d prod: %x cons: %x}\n", - i, txr->tx_ring_struct.fw_ring_id, txr->tx_prod, - txr->tx_cons); + bnxt_for_each_napi_tx(j, bnapi, txr) + netdev_info(bnapi->bp->dev, "[%d.%d]: tx{fw_ring: %d prod: %x cons: %x}\n", + i, j, txr->tx_ring_struct.fw_ring_id, txr->tx_prod, + txr->tx_cons); } static void bnxt_dump_rx_sw_state(struct bnxt_napi *bnapi) @@ -11997,12 +12105,11 @@ static void bnxt_chk_missed_irq(struct bnxt *bp) continue; cpr = &bnapi->cp_ring; - for (j = 0; j < 2; j++) { - struct bnxt_cp_ring_info *cpr2 = cpr->cp_ring_arr[j]; + for (j = 0; j < cpr->cp_ring_count; j++) { + struct bnxt_cp_ring_info *cpr2 = &cpr->cp_ring_arr[j]; u32 val[2]; - if (!cpr2 || cpr2->has_more_work || - !bnxt_has_work(bp, cpr2)) + if (cpr2->has_more_work || !bnxt_has_work(bp, cpr2)) continue; if (cpr2->cp_raw_cons != cpr2->last_cp_raw_cons) { @@ -12161,23 +12268,27 @@ static void bnxt_sp_task(struct work_struct *work) clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); } +static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, + int *max_cp); + /* Under rtnl_lock */ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, int tx_xdp) { - int max_rx, max_tx, tx_sets = 1; + int max_rx, max_tx, max_cp, tx_sets = 1, tx_cp; int tx_rings_needed, stats; int rx_rings = rx; - int cp, vnics, rc; + int cp, vnics; if (tcs) tx_sets = tcs; - rc = bnxt_get_max_rings(bp, &max_rx, &max_tx, sh); - if (rc) - return rc; + if (bp->flags & BNXT_FLAG_AGG_RINGS) + rx_rings <<= 1; + + _bnxt_get_max_rings(bp, &max_rx, &max_tx, &max_cp); - if (max_rx < rx) + if (max_rx < rx_rings) return -ENOMEM; tx_rings_needed = tx * tx_sets + tx_xdp; @@ -12186,11 +12297,12 @@ int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs, vnics = 1; if ((bp->flags & (BNXT_FLAG_RFS | BNXT_FLAG_CHIP_P5)) == BNXT_FLAG_RFS) - vnics += rx_rings; + vnics += rx; - if (bp->flags & BNXT_FLAG_AGG_RINGS) - rx_rings <<= 1; - cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx; + tx_cp = __bnxt_num_tx_to_cp(bp, tx_rings_needed, tx_sets, tx_xdp); + cp = sh ? max_t(int, tx_cp, rx) : tx_cp + rx; + if (max_cp < cp) + return -ENOMEM; stats = cp; if (BNXT_NEW_RM(bp)) { cp += bnxt_get_ulp_msix_num(bp); @@ -12824,7 +12936,7 @@ int bnxt_setup_mq_tc(struct net_device *dev, u8 tc) { struct bnxt *bp = netdev_priv(dev); bool sh = false; - int rc; + int rc, tx_cp; if (tc > bp->max_tc) { netdev_err(dev, "Too many traffic classes requested: %d. Max supported is %d.\n", @@ -12855,8 +12967,9 @@ int bnxt_setup_mq_tc(struct net_device *dev, u8 tc) netdev_reset_tc(dev); } bp->tx_nr_rings += bp->tx_nr_rings_xdp; - bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : - bp->tx_nr_rings + bp->rx_nr_rings; + tx_cp = bnxt_num_tx_to_cp(bp, bp->tx_nr_rings); + bp->cp_nr_rings = sh ? max_t(int, tx_cp, bp->rx_nr_rings) : + tx_cp + bp->rx_nr_rings; if (netif_running(bp->dev)) return bnxt_open_nic(bp, true, false); @@ -13335,7 +13448,10 @@ static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, if (bp->flags & BNXT_FLAG_AGG_RINGS) *max_rx >>= 1; if (bp->flags & BNXT_FLAG_CHIP_P5) { - bnxt_trim_rings(bp, max_rx, max_tx, *max_cp, false); + if (*max_cp < (*max_rx + *max_tx)) { + *max_rx = *max_cp / 2; + *max_tx = *max_rx; + } /* On P5 chips, max_cp output param should be available NQs */ *max_cp = max_irq; } @@ -13636,7 +13752,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } max_irqs = bnxt_get_max_irq(pdev); - dev = alloc_etherdev_mq(sizeof(*bp), max_irqs); + dev = alloc_etherdev_mqs(sizeof(*bp), max_irqs * BNXT_MAX_QUEUE, + max_irqs); if (!dev) return -ENOMEM; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index e702dbc3e6b1..4ce993943924 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -61,6 +61,24 @@ struct tx_bd { __le64 tx_bd_haddr; } __packed; +#define TX_OPAQUE_IDX_MASK 0x0000ffff +#define TX_OPAQUE_BDS_MASK 0x00ff0000 +#define TX_OPAQUE_BDS_SHIFT 16 +#define TX_OPAQUE_RING_MASK 0xff000000 +#define TX_OPAQUE_RING_SHIFT 24 + +#define SET_TX_OPAQUE(bp, txr, idx, bds) \ + (((txr)->tx_napi_idx << TX_OPAQUE_RING_SHIFT) | \ + ((bds) << TX_OPAQUE_BDS_SHIFT) | ((idx) & (bp)->tx_ring_mask)) + +#define TX_OPAQUE_IDX(opq) ((opq) & TX_OPAQUE_IDX_MASK) +#define TX_OPAQUE_RING(opq) (((opq) & TX_OPAQUE_RING_MASK) >> \ + TX_OPAQUE_RING_SHIFT) +#define TX_OPAQUE_BDS(opq) (((opq) & TX_OPAQUE_BDS_MASK) >> \ + TX_OPAQUE_BDS_SHIFT) +#define TX_OPAQUE_PROD(bp, opq) ((TX_OPAQUE_IDX(opq) + TX_OPAQUE_BDS(opq)) &\ + (bp)->tx_ring_mask) + struct tx_bd_ext { __le32 tx_bd_hsize_lflags; #define TX_BD_FLAGS_TCP_UDP_CHKSUM (1 << 0) @@ -530,6 +548,19 @@ struct nqe_cn { __le32 cq_handle_high; }; +#define BNXT_NQ_HDL_IDX_MASK 0x00ffffff +#define BNXT_NQ_HDL_TYPE_MASK 0xff000000 +#define BNXT_NQ_HDL_TYPE_SHIFT 24 +#define BNXT_NQ_HDL_TYPE_RX 0x00 +#define BNXT_NQ_HDL_TYPE_TX 0x01 + +#define BNXT_NQ_HDL_IDX(hdl) ((hdl) & BNXT_NQ_HDL_IDX_MASK) +#define BNXT_NQ_HDL_TYPE(hdl) (((hdl) & BNXT_NQ_HDL_TYPE_MASK) >> \ + BNXT_NQ_HDL_TYPE_SHIFT) + +#define BNXT_SET_NQ_HDL(cpr) \ + (((cpr)->cp_ring_type << BNXT_NQ_HDL_TYPE_SHIFT) | (cpr)->cp_idx) + #define DB_IDX_MASK 0xffffff #define DB_IDX_VALID (0x1 << 26) #define DB_IRQ_DIS (0x1 << 27) @@ -702,6 +733,7 @@ struct nqe_cn { #define BNXT_AGG_EVENT 2 #define BNXT_TX_EVENT 4 #define BNXT_REDIRECT_EVENT 8 +#define BNXT_TX_CMP_EVENT 0x10 struct bnxt_sw_tx_bd { union { @@ -792,9 +824,12 @@ struct bnxt_db_info { struct bnxt_tx_ring_info { struct bnxt_napi *bnapi; + struct bnxt_cp_ring_info *tx_cpr; u16 tx_prod; u16 tx_cons; + u16 tx_hw_cons; u16 txq_index; + u8 tx_napi_idx; u8 kick_pending; struct bnxt_db_info tx_db; @@ -901,6 +936,7 @@ struct bnxt_tpa_idx_map { struct bnxt_rx_ring_info { struct bnxt_napi *bnapi; + struct bnxt_cp_ring_info *rx_cpr; u16 rx_prod; u16 rx_agg_prod; u16 rx_sw_agg_prod; @@ -980,6 +1016,8 @@ struct bnxt_cp_ring_info { u8 had_work_done:1; u8 has_more_work:1; + u8 cp_ring_type; + u8 cp_idx; u32 last_cp_raw_cons; @@ -1004,11 +1042,18 @@ struct bnxt_cp_ring_info { struct bnxt_ring_struct cp_ring_struct; - struct bnxt_cp_ring_info *cp_ring_arr[2]; -#define BNXT_RX_HDL 0 -#define BNXT_TX_HDL 1 + int cp_ring_count; + struct bnxt_cp_ring_info *cp_ring_arr; }; +#define BNXT_MAX_QUEUE 8 +#define BNXT_MAX_TXR_PER_NAPI BNXT_MAX_QUEUE + +#define bnxt_for_each_napi_tx(iter, bnapi, txr) \ + for (iter = 0, txr = (bnapi)->tx_ring[0]; txr; \ + txr = (iter < BNXT_MAX_TXR_PER_NAPI - 1) ? \ + (bnapi)->tx_ring[++iter] : NULL) + struct bnxt_napi { struct napi_struct napi; struct bnxt *bp; @@ -1016,11 +1061,10 @@ struct bnxt_napi { int index; struct bnxt_cp_ring_info cp_ring; struct bnxt_rx_ring_info *rx_ring; - struct bnxt_tx_ring_info *tx_ring; + struct bnxt_tx_ring_info *tx_ring[BNXT_MAX_TXR_PER_NAPI]; void (*tx_int)(struct bnxt *, struct bnxt_napi *, int budget); - int tx_pkts; u8 events; u8 tx_fault:1; @@ -1355,8 +1399,6 @@ struct bnxt_link_info { (PORT_PHY_CFG_REQ_FLAGS_FEC_CLAUSE74_DISABLE | \ BNXT_FEC_RS_OFF(link_info)) -#define BNXT_MAX_QUEUE 8 - struct bnxt_queue_info { u8 queue_id; u8 queue_profile; @@ -2351,6 +2393,7 @@ int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings); int bnxt_nq_rings_in_use(struct bnxt *bp); int bnxt_hwrm_set_coal(struct bnxt *); void bnxt_free_ctx_mem(struct bnxt *bp); +int bnxt_num_tx_to_cp(struct bnxt *bp, int tx); unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp); unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp); unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp); @@ -2360,7 +2403,7 @@ int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init); void bnxt_tx_disable(struct bnxt *bp); void bnxt_tx_enable(struct bnxt *bp); void bnxt_sched_reset_txr(struct bnxt *bp, struct bnxt_tx_ring_info *txr, - int idx); + u16 curr); void bnxt_report_link(struct bnxt *bp); int bnxt_update_link(struct bnxt *bp, bool chng_link_state); int bnxt_hwrm_set_pause(struct bnxt *); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index f3f384773ac0..585044310141 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -528,7 +528,8 @@ static int bnxt_get_num_ring_stats(struct bnxt *bp) bnxt_get_num_tpa_ring_stats(bp); tx = NUM_RING_TX_HW_STATS; cmn = NUM_RING_CMN_SW_STATS; - return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings + + return rx * bp->rx_nr_rings + + tx * (bp->tx_nr_rings_xdp + bp->tx_nr_rings_per_tc) + cmn * bp->cp_nr_rings; } @@ -923,6 +924,7 @@ static int bnxt_set_channels(struct net_device *dev, bool sh = false; int tx_xdp = 0; int rc = 0; + int tx_cp; if (channel->other_count) return -EINVAL; @@ -994,8 +996,9 @@ static int bnxt_set_channels(struct net_device *dev, if (tcs > 1) bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp; - bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : - bp->tx_nr_rings + bp->rx_nr_rings; + tx_cp = bnxt_num_tx_to_cp(bp, bp->tx_nr_rings); + bp->cp_nr_rings = sh ? max_t(int, tx_cp, bp->rx_nr_rings) : + tx_cp + bp->rx_nr_rings; /* After changing number of rx channels, update NTUPLE feature. */ netdev_update_features(dev); @@ -3941,7 +3944,7 @@ static int bnxt_run_loopback(struct bnxt *bp) cpr = &rxr->bnapi->cp_ring; if (bp->flags & BNXT_FLAG_CHIP_P5) - cpr = cpr->cp_ring_arr[BNXT_RX_HDL]; + cpr = rxr->rx_cpr; pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh); skb = netdev_alloc_skb(bp->dev, pkt_size); if (!skb) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c index 96f5ca778c67..9d428eb3fdb9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c @@ -52,7 +52,7 @@ struct bnxt_sw_tx_bd *bnxt_xmit_bd(struct bnxt *bp, ((num_frags + 1) << TX_BD_FLAGS_BD_CNT_SHIFT) | bnxt_lhint_arr[len >> 9]; txbd->tx_bd_len_flags_type = cpu_to_le32(flags); - txbd->tx_bd_opaque = prod; + txbd->tx_bd_opaque = SET_TX_OPAQUE(bp, txr, prod, 1 + num_frags); txbd->tx_bd_haddr = cpu_to_le64(mapping); /* now let us fill up the frags into the next buffers */ @@ -127,19 +127,19 @@ static void __bnxt_xmit_xdp_redirect(struct bnxt *bp, void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) { - struct bnxt_tx_ring_info *txr = bnapi->tx_ring; + struct bnxt_tx_ring_info *txr = bnapi->tx_ring[0]; struct bnxt_rx_ring_info *rxr = bnapi->rx_ring; + u16 tx_hw_cons = txr->tx_hw_cons; bool rx_doorbell_needed = false; - int nr_pkts = bnapi->tx_pkts; struct bnxt_sw_tx_bd *tx_buf; u16 tx_cons = txr->tx_cons; u16 last_tx_cons = tx_cons; - int i, j, frags; + int j, frags; if (!budget) return; - for (i = 0; i < nr_pkts; i++) { + while (tx_cons != tx_hw_cons) { tx_buf = &txr->tx_buf_ring[tx_cons]; if (tx_buf->action == XDP_REDIRECT) { @@ -164,13 +164,13 @@ void bnxt_tx_int_xdp(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) page_pool_recycle_direct(rxr->page_pool, tx_buf->page); } } else { - bnxt_sched_reset_txr(bp, txr, i); + bnxt_sched_reset_txr(bp, txr, tx_cons); return; } tx_cons = NEXT_TX(tx_cons); } - bnapi->tx_pkts = 0; + bnapi->events &= ~BNXT_TX_CMP_EVENT; WRITE_ONCE(txr->tx_cons, tx_cons); if (rx_doorbell_needed) { tx_buf = &txr->tx_buf_ring[last_tx_cons]; @@ -249,7 +249,7 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons, pdev = bp->pdev; offset = bp->rx_offset; - txr = rxr->bnapi->tx_ring; + txr = rxr->bnapi->tx_ring[0]; /* BNXT_RX_PAGE_MODE(bp) when XDP enabled */ orig_data = xdp.data; @@ -275,7 +275,7 @@ bool bnxt_rx_xdp(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, u16 cons, case XDP_TX: rx_buf = &rxr->rx_buf_ring[cons]; mapping = rx_buf->mapping - bp->rx_dma_offset; - *event = 0; + *event &= BNXT_TX_CMP_EVENT; if (unlikely(xdp_buff_has_frags(&xdp))) { struct skb_shared_info *sinfo = xdp_get_shared_info_from_buff(&xdp); @@ -398,7 +398,7 @@ int bnxt_xdp_xmit(struct net_device *dev, int num_frames, static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog) { struct net_device *dev = bp->dev; - int tx_xdp = 0, rc, tc; + int tx_xdp = 0, tx_cp, rc, tc; struct bpf_prog *old; if (prog && !prog->aux->xdp_has_frags && @@ -446,7 +446,8 @@ static int bnxt_xdp_set(struct bnxt *bp, struct bpf_prog *prog) } bp->tx_nr_rings_xdp = tx_xdp; bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tc + tx_xdp; - bp->cp_nr_rings = max_t(int, bp->tx_nr_rings, bp->rx_nr_rings); + tx_cp = bnxt_num_tx_to_cp(bp, bp->tx_nr_rings); + bp->cp_nr_rings = max_t(int, tx_cp, bp->rx_nr_rings); bnxt_set_tpa_flags(bp); bnxt_set_ring_params(bp); |