[PATCH net-next v2 2/6] bnge: Extract per-NQ ring allocation and init helpers
From: Bhargava Marreddy <hidden>
Date: 2026-09-22 05:30:50
Also in:
lkml
Subsystem:
broadcom bng_en 800 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Vikas Gupta, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Factor the per-NQ loop body in bnge_hwrm_ring_alloc() and bnge_init_ring_struct() into standalone bnge_hwrm_nq_ring_alloc() and bnge_init_nq_ring_struct() helpers. This is a pure refactor with no functional changes, preparing NQ0 setup to run independently during probe rather than through the open path loop. Signed-off-by: Bhargava Marreddy <redacted> Reviewed-by: Dharmender Garg <redacted> Reviewed-by: Vikas Gupta <vikas.gupta@broadcom.com> Reviewed-by: Akhilesh Samineni <redacted> --- .../net/ethernet/broadcom/bnge/bnge_netdev.c | 60 ++++++++++++------- .../net/ethernet/broadcom/bnge/bnge_rmem.c | 25 +++++--- .../net/ethernet/broadcom/bnge/bnge_rmem.h | 4 +- 3 files changed, 56 insertions(+), 33 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c
index c1810a309888..dfd68b830ded 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c@@ -1918,6 +1918,41 @@ static int bnge_hwrm_rx_ring_alloc(struct bnge_net *bn, return 0; } +static int bnge_hwrm_nq_ring_alloc(struct bnge_net *bn, int index) +{ + struct bnge_napi *bnapi = bn->bnapi[index]; + struct bnge_nq_ring_info *nqr; + struct bnge_ring_struct *ring; + u32 type = HWRM_RING_ALLOC_NQ; + struct bnge_dev *bd = bn->bd; + unsigned int vector; + u32 map_idx; + int rc; + + nqr = &bnapi->nq_ring; + ring = &nqr->ring_struct; + map_idx = ring->map_idx; + vector = bd->irq_tbl[map_idx].vector; + + disable_irq_nosync(vector); + rc = hwrm_ring_alloc_send_msg(bn, ring, type, map_idx); + if (rc) { + enable_irq(vector); + return rc; + } + bnge_set_db(bn, &nqr->nq_db, type, map_idx, ring->fw_ring_id); + bnge_db_nq(bn, &nqr->nq_db, nqr->nq_raw_cons); + enable_irq(vector); + bn->grp_info[index].nq_fw_ring_id = (u16)ring->fw_ring_id; + if (!index) { + rc = bnge_hwrm_set_async_event_cr(bd, ring->fw_ring_id); + if (rc) + netdev_warn(bn->netdev, "Failed to set async event completion ring.\n"); + } + + return 0; +} + static int bnge_hwrm_ring_alloc(struct bnge_net *bn) { struct bnge_dev *bd = bn->bd;
@@ -1926,30 +1961,9 @@ static int bnge_hwrm_ring_alloc(struct bnge_net *bn) agg_rings = !!(bnge_is_agg_reqd(bd)); for (i = 0; i < bd->nq_nr_rings; i++) { - struct bnge_napi *bnapi = bn->bnapi[i]; - struct bnge_nq_ring_info *nqr = &bnapi->nq_ring; - struct bnge_ring_struct *ring = &nqr->ring_struct; - u32 type = HWRM_RING_ALLOC_NQ; - u32 map_idx = ring->map_idx; - unsigned int vector; - - vector = bd->irq_tbl[map_idx].vector; - disable_irq_nosync(vector); - rc = hwrm_ring_alloc_send_msg(bn, ring, type, map_idx); - if (rc) { - enable_irq(vector); + rc = bnge_hwrm_nq_ring_alloc(bn, i); + if (rc) goto err_out; - } - bnge_set_db(bn, &nqr->nq_db, type, map_idx, ring->fw_ring_id); - bnge_db_nq(bn, &nqr->nq_db, nqr->nq_raw_cons); - enable_irq(vector); - bn->grp_info[i].nq_fw_ring_id = (u16)ring->fw_ring_id; - - if (!i) { - rc = bnge_hwrm_set_async_event_cr(bd, ring->fw_ring_id); - if (rc) - netdev_warn(bn->netdev, "Failed to set async event completion ring.\n"); - } } for (i = 0; i < bd->tx_nr_rings; i++) {
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_rmem.c b/drivers/net/ethernet/broadcom/bnge/bnge_rmem.c
index b066ee887a09..e0ddb2800c54 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_rmem.c
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_rmem.c@@ -423,6 +423,21 @@ int bnge_alloc_ctx_mem(struct bnge_dev *bd) return 0; } +void bnge_init_nq_ring_struct(struct bnge_net *bn, + struct bnge_nq_ring_info *nqr) +{ + struct bnge_ring_mem_info *rmem; + struct bnge_ring_struct *ring; + + ring = &nqr->ring_struct; + rmem = &ring->ring_mem; + rmem->nr_pages = bn->cp_nr_pages; + rmem->page_size = HW_CMPD_RING_SIZE; + rmem->pg_arr = (void **)nqr->desc_ring; + rmem->dma_arr = nqr->desc_mapping; + rmem->vmem_size = 0; +} + void bnge_init_ring_struct(struct bnge_net *bn) { struct bnge_dev *bd = bn->bd;
@@ -431,19 +446,11 @@ void bnge_init_ring_struct(struct bnge_net *bn) for (i = 0; i < bd->nq_nr_rings; i++) { struct bnge_napi *bnapi = bn->bnapi[i]; struct bnge_ring_mem_info *rmem; - struct bnge_nq_ring_info *nqr; struct bnge_rx_ring_info *rxr; struct bnge_tx_ring_info *txr; struct bnge_ring_struct *ring; - nqr = &bnapi->nq_ring; - ring = &nqr->ring_struct; - rmem = &ring->ring_mem; - rmem->nr_pages = bn->cp_nr_pages; - rmem->page_size = HW_CMPD_RING_SIZE; - rmem->pg_arr = (void **)nqr->desc_ring; - rmem->dma_arr = nqr->desc_mapping; - rmem->vmem_size = 0; + bnge_init_nq_ring_struct(bn, &bnapi->nq_ring); rxr = bnapi->rx_ring; if (!rxr)
diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h b/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h
index bb0c79a1ee60..a5a1d346ac93 100644
--- a/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h
+++ b/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h@@ -7,6 +7,7 @@ struct bnge_ctx_mem_type; struct bnge_dev; struct bnge_net; +struct bnge_nq_ring_info; #define PTU_PTE_VALID 0x1UL #define PTU_PTE_LAST 0x2UL
@@ -198,5 +199,6 @@ void bnge_free_ring(struct bnge_dev *bd, struct bnge_ring_mem_info *rmem); int bnge_alloc_ctx_mem(struct bnge_dev *bd); void bnge_free_ctx_mem(struct bnge_dev *bd); void bnge_init_ring_struct(struct bnge_net *bn); - +void bnge_init_nq_ring_struct(struct bnge_net *bn, + struct bnge_nq_ring_info *nqr); #endif /* _BNGE_RMEM_H_ */
--
2.47.3