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[144.49.247.11]) by smtp-relay.gmail.com with ESMTPS id ada2fe7eead31-73a84a5d1f0sm163748137.20.2026.06.30.03.16.10 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 30 Jun 2026 03:16:11 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-dy1-f197.google.com with SMTP id 5a478bee46e88-30ed53abff8so1880454eec.1 for ; Tue, 30 Jun 2026 03:16:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1782814570; x=1783419370; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=4cHSNaGKZk6aVvixu0uRQxpR3n67x1/Z/j/uVrv17ig=; b=PLxCSZOXWjyR/y0tRMFE2GSncix4vtAM2f3ggFHFr7OHPdGa1iuVPiIXdXvhgepRHL PC+KLlirEj593mgfZZZkq93+oBiMEL/SO+lop2uHwJ2q0smXlSVV5EEV5rgRVwUn6oEz 3QwsqmCx62eNkgGEBJU6oWud7vNFMZnvmoS8A= X-Received: by 2002:a05:7301:e8d:b0:30c:2af0:1cc with SMTP id 5a478bee46e88-30ee14c4090mr2258101eec.34.1782814569534; Tue, 30 Jun 2026 03:16:09 -0700 (PDT) X-Received: by 2002:a05:7301:e8d:b0:30c:2af0:1cc with SMTP id 5a478bee46e88-30ee14c4090mr2258074eec.34.1782814568798; Tue, 30 Jun 2026 03:16:08 -0700 (PDT) Received: from localhost.localdomain ([192.19.203.250]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-30ee31da63asm6686720eec.21.2026.06.30.03.16.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2026 03:16:07 -0700 (PDT) From: Vikas Gupta To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, horms@kernel.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, leonro@nvidia.com, jgg@nvidia.com, bhargava.marreddy@broadcom.com, rahul-rg.gupta@broadcom.com, vsrama-krishna.nemani@broadcom.com, rajashekar.hudumula@broadcom.com, ajit.khaparde@broadcom.com, Vikas Gupta , Siva Reddy Kallam , Dharmender Garg , Yendapally Reddy Dhananjaya Reddy Subject: [PATCH net] bnge/bng_re: fix ring ID widths Date: Tue, 30 Jun 2026 15:45:54 +0530 Message-ID: <20260630101554.1221733-1-vikas.gupta@broadcom.com> X-Mailer: git-send-email 2.47.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e Firmware extended the TX ring ID from 16 to 32 bits to accommodate its internal QP management. Update the HSI and the ring ID fields in the ring alloc/free calls accordingly. Only the TX ring ID managed by firmware is widened but RX, completion and NQ ring IDs remain within the 16-bit range. Fixes: 42d1c54d6248 ("bnge/bng_re: Add a new HSI") Signed-off-by: Vikas Gupta Reviewed-by: Siva Reddy Kallam Reviewed-by: Dharmender Garg Reviewed-by: Yendapally Reddy Dhananjaya Reddy --- drivers/infiniband/hw/bng_re/bng_dev.c | 6 +-- drivers/net/ethernet/broadcom/bnge/bnge.h | 1 + .../ethernet/broadcom/bnge/bnge_hwrm_lib.c | 8 +-- .../ethernet/broadcom/bnge/bnge_hwrm_lib.h | 2 +- .../net/ethernet/broadcom/bnge/bnge_netdev.c | 50 +++++++++---------- .../net/ethernet/broadcom/bnge/bnge_netdev.h | 4 +- .../net/ethernet/broadcom/bnge/bnge_rmem.h | 2 +- include/linux/bnge/hsi.h | 7 ++- 8 files changed, 39 insertions(+), 41 deletions(-) diff --git a/drivers/infiniband/hw/bng_re/bng_dev.c b/drivers/infiniband/hw/bng_re/bng_dev.c index 71a7ca2196ad..311c8bc93160 100644 --- a/drivers/infiniband/hw/bng_re/bng_dev.c +++ b/drivers/infiniband/hw/bng_re/bng_dev.c @@ -113,7 +113,7 @@ static void bng_re_fill_fw_msg(struct bnge_fw_msg *fw_msg, void *msg, } static int bng_re_net_ring_free(struct bng_re_dev *rdev, - u16 fw_ring_id, int type) + u32 fw_ring_id, int type) { struct bnge_auxr_dev *aux_dev = rdev->aux_dev; struct hwrm_ring_free_input req = {}; @@ -123,7 +123,7 @@ static int bng_re_net_ring_free(struct bng_re_dev *rdev, bng_re_init_hwrm_hdr((void *)&req, HWRM_RING_FREE); req.ring_type = type; - req.ring_id = cpu_to_le16(fw_ring_id); + req.ring_id = cpu_to_le32(fw_ring_id); bng_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp, sizeof(resp), BNGE_DFLT_HWRM_CMD_TIMEOUT); rc = bnge_send_msg(aux_dev, &fw_msg); @@ -161,7 +161,7 @@ static int bng_re_net_ring_alloc(struct bng_re_dev *rdev, sizeof(resp), BNGE_DFLT_HWRM_CMD_TIMEOUT); rc = bnge_send_msg(aux_dev, &fw_msg); if (!rc) - *fw_ring_id = le16_to_cpu(resp.ring_id); + *fw_ring_id = (u16)le32_to_cpu(resp.ring_id); return rc; } diff --git a/drivers/net/ethernet/broadcom/bnge/bnge.h b/drivers/net/ethernet/broadcom/bnge/bnge.h index f21cff651fd4..4479ccd071f5 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge.h +++ b/drivers/net/ethernet/broadcom/bnge/bnge.h @@ -36,6 +36,7 @@ struct bnge_pf_info { }; #define INVALID_HW_RING_ID ((u16)-1) +#define INVALID_HW_RING_ID_32BIT (U32_MAX) enum { BNGE_FW_CAP_SHORT_CMD = BIT_ULL(0), diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c index 1c9cfec1b633..651c5e783516 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c +++ b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.c @@ -1283,7 +1283,7 @@ int bnge_hwrm_stat_ctx_alloc(struct bnge_net *bn) int hwrm_ring_free_send_msg(struct bnge_net *bn, struct bnge_ring_struct *ring, - u32 ring_type, int cmpl_ring_id) + u32 ring_type, u32 cmpl_ring_id) { struct hwrm_ring_free_input *req; struct bnge_dev *bd = bn->bd; @@ -1295,7 +1295,7 @@ int hwrm_ring_free_send_msg(struct bnge_net *bn, req->cmpl_ring = cpu_to_le16(cmpl_ring_id); req->ring_type = ring_type; - req->ring_id = cpu_to_le16(ring->fw_ring_id); + req->ring_id = cpu_to_le32(ring->fw_ring_id); bnge_hwrm_req_hold(bd, req); rc = bnge_hwrm_req_send(bd, req); @@ -1317,7 +1317,7 @@ int hwrm_ring_alloc_send_msg(struct bnge_net *bn, struct hwrm_ring_alloc_output *resp; struct hwrm_ring_alloc_input *req; struct bnge_dev *bd = bn->bd; - u16 ring_id, flags = 0; + u32 ring_id, flags = 0; int rc; rc = bnge_hwrm_req_init(bd, req, HWRM_RING_ALLOC); @@ -1401,7 +1401,7 @@ int hwrm_ring_alloc_send_msg(struct bnge_net *bn, resp = bnge_hwrm_req_hold(bd, req); rc = bnge_hwrm_req_send(bd, req); - ring_id = le16_to_cpu(resp->ring_id); + ring_id = le32_to_cpu(resp->ring_id); bnge_hwrm_req_drop(bd, req); exit: diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.h b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.h index 3501de7a89b9..bf452e390d5b 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.h +++ b/drivers/net/ethernet/broadcom/bnge/bnge_hwrm_lib.h @@ -50,7 +50,7 @@ int bnge_hwrm_cfa_l2_set_rx_mask(struct bnge_dev *bd, void bnge_hwrm_stat_ctx_free(struct bnge_net *bn); int bnge_hwrm_stat_ctx_alloc(struct bnge_net *bn); int hwrm_ring_free_send_msg(struct bnge_net *bn, struct bnge_ring_struct *ring, - u32 ring_type, int cmpl_ring_id); + u32 ring_type, u32 cmpl_ring_id); int hwrm_ring_alloc_send_msg(struct bnge_net *bn, struct bnge_ring_struct *ring, u32 ring_type, u32 map_index); diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c index 70768193004c..6f7ef506d4e1 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c +++ b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.c @@ -1327,12 +1327,12 @@ static int bnge_alloc_core(struct bnge_net *bn) return rc; } -u16 bnge_cp_ring_for_rx(struct bnge_rx_ring_info *rxr) +u32 bnge_cp_ring_for_rx(struct bnge_rx_ring_info *rxr) { return rxr->rx_cpr->ring_struct.fw_ring_id; } -u16 bnge_cp_ring_for_tx(struct bnge_tx_ring_info *txr) +u32 bnge_cp_ring_for_tx(struct bnge_tx_ring_info *txr) { return txr->tx_cpr->ring_struct.fw_ring_id; } @@ -1375,12 +1375,12 @@ static void bnge_init_nq_tree(struct bnge_net *bn) struct bnge_nq_ring_info *nqr = &bn->bnapi[i]->nq_ring; struct bnge_ring_struct *ring = &nqr->ring_struct; - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; for (j = 0; j < nqr->cp_ring_count; j++) { struct bnge_cp_ring_info *cpr = &nqr->cp_ring_arr[j]; ring = &cpr->ring_struct; - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; } } } @@ -1637,7 +1637,7 @@ static void bnge_init_one_rx_ring_rxbd(struct bnge_net *bn, ring = &rxr->rx_ring_struct; bnge_init_rxbd_pages(ring, type); - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; } static void bnge_init_one_agg_ring_rxbd(struct bnge_net *bn, @@ -1647,7 +1647,7 @@ static void bnge_init_one_agg_ring_rxbd(struct bnge_net *bn, u32 type; ring = &rxr->rx_agg_ring_struct; - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; if (bnge_is_agg_reqd(bn->bd)) { type = ((u32)BNGE_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) | RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP; @@ -1708,7 +1708,7 @@ static void bnge_init_tx_rings(struct bnge_net *bn) struct bnge_tx_ring_info *txr = &bn->tx_ring[i]; struct bnge_ring_struct *ring = &txr->tx_ring_struct; - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; netif_queue_set_napi(bn->netdev, i, NETDEV_QUEUE_TYPE_TX, &txr->bnapi->napi); @@ -1867,7 +1867,7 @@ static int bnge_hwrm_rx_agg_ring_alloc(struct bnge_net *bn, ring->fw_ring_id); bnge_db_write(bn->bd, &rxr->rx_agg_db, rxr->rx_agg_prod); bnge_db_write(bn->bd, &rxr->rx_db, rxr->rx_prod); - bn->grp_info[grp_idx].agg_fw_ring_id = ring->fw_ring_id; + bn->grp_info[grp_idx].agg_fw_ring_id = (u16)ring->fw_ring_id; return 0; } @@ -1886,7 +1886,7 @@ static int bnge_hwrm_rx_ring_alloc(struct bnge_net *bn, return rc; bnge_set_db(bn, &rxr->rx_db, type, map_idx, ring->fw_ring_id); - bn->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id; + bn->grp_info[map_idx].rx_fw_ring_id = (u16)ring->fw_ring_id; return 0; } @@ -1916,7 +1916,7 @@ static int bnge_hwrm_ring_alloc(struct bnge_net *bn) 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 = ring->fw_ring_id; + 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); @@ -1986,15 +1986,13 @@ void bnge_fill_hw_rss_tbl(struct bnge_net *bn, struct bnge_vnic_info *vnic) tbl_size = bnge_get_rxfh_indir_size(bd); for (i = 0; i < tbl_size; i++) { - u16 ring_id, j; + u32 j; j = bd->rss_indir_tbl[i]; rxr = &bn->rx_ring[j]; - ring_id = rxr->rx_ring_struct.fw_ring_id; - *ring_tbl++ = cpu_to_le16(ring_id); - ring_id = bnge_cp_ring_for_rx(rxr); - *ring_tbl++ = cpu_to_le16(ring_id); + *ring_tbl++ = cpu_to_le16(rxr->rx_ring_struct.fw_ring_id); + *ring_tbl++ = cpu_to_le16(bnge_cp_ring_for_rx(rxr)); } } @@ -2285,7 +2283,7 @@ static void bnge_disable_int(struct bnge_net *bn) nqr = &bnapi->nq_ring; ring = &nqr->ring_struct; - if (ring->fw_ring_id != INVALID_HW_RING_ID) + if (ring->fw_ring_id != INVALID_HW_RING_ID_32BIT) bnge_db_nq(bn, &nqr->nq_db, nqr->nq_raw_cons); } } @@ -2401,7 +2399,7 @@ static void bnge_hwrm_rx_ring_free(struct bnge_net *bn, u32 grp_idx = rxr->bnapi->index; u32 cmpl_ring_id; - if (ring->fw_ring_id == INVALID_HW_RING_ID) + if (ring->fw_ring_id == INVALID_HW_RING_ID_32BIT) return; cmpl_ring_id = bnge_cp_ring_for_rx(rxr); @@ -2409,7 +2407,7 @@ static void bnge_hwrm_rx_ring_free(struct bnge_net *bn, RING_FREE_REQ_RING_TYPE_RX, close_path ? cmpl_ring_id : INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; bn->grp_info[grp_idx].rx_fw_ring_id = INVALID_HW_RING_ID; } @@ -2421,14 +2419,14 @@ static void bnge_hwrm_rx_agg_ring_free(struct bnge_net *bn, u32 grp_idx = rxr->bnapi->index; u32 cmpl_ring_id; - if (ring->fw_ring_id == INVALID_HW_RING_ID) + if (ring->fw_ring_id == INVALID_HW_RING_ID_32BIT) return; cmpl_ring_id = bnge_cp_ring_for_rx(rxr); hwrm_ring_free_send_msg(bn, ring, RING_FREE_REQ_RING_TYPE_RX_AGG, close_path ? cmpl_ring_id : INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; bn->grp_info[grp_idx].agg_fw_ring_id = INVALID_HW_RING_ID; } @@ -2439,14 +2437,14 @@ static void bnge_hwrm_tx_ring_free(struct bnge_net *bn, struct bnge_ring_struct *ring = &txr->tx_ring_struct; u32 cmpl_ring_id; - if (ring->fw_ring_id == INVALID_HW_RING_ID) + if (ring->fw_ring_id == INVALID_HW_RING_ID_32BIT) return; cmpl_ring_id = close_path ? bnge_cp_ring_for_tx(txr) : INVALID_HW_RING_ID; hwrm_ring_free_send_msg(bn, ring, RING_FREE_REQ_RING_TYPE_TX, cmpl_ring_id); - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; } static void bnge_hwrm_cp_ring_free(struct bnge_net *bn, @@ -2455,12 +2453,12 @@ static void bnge_hwrm_cp_ring_free(struct bnge_net *bn, struct bnge_ring_struct *ring; ring = &cpr->ring_struct; - if (ring->fw_ring_id == INVALID_HW_RING_ID) + if (ring->fw_ring_id == INVALID_HW_RING_ID_32BIT) return; hwrm_ring_free_send_msg(bn, ring, RING_FREE_REQ_RING_TYPE_L2_CMPL, INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; } static void bnge_hwrm_ring_free(struct bnge_net *bn, bool close_path) @@ -2496,11 +2494,11 @@ static void bnge_hwrm_ring_free(struct bnge_net *bn, bool close_path) bnge_hwrm_cp_ring_free(bn, &nqr->cp_ring_arr[j]); ring = &nqr->ring_struct; - if (ring->fw_ring_id != INVALID_HW_RING_ID) { + if (ring->fw_ring_id != INVALID_HW_RING_ID_32BIT) { hwrm_ring_free_send_msg(bn, ring, RING_FREE_REQ_RING_TYPE_NQ, INVALID_HW_RING_ID); - ring->fw_ring_id = INVALID_HW_RING_ID; + ring->fw_ring_id = INVALID_HW_RING_ID_32BIT; bn->grp_info[i].nq_fw_ring_id = INVALID_HW_RING_ID; } } diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h index f4636b5b0cf3..d177919c2e11 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h +++ b/drivers/net/ethernet/broadcom/bnge/bnge_netdev.h @@ -630,8 +630,8 @@ struct bnge_l2_filter { refcount_t refcnt; }; -u16 bnge_cp_ring_for_rx(struct bnge_rx_ring_info *rxr); -u16 bnge_cp_ring_for_tx(struct bnge_tx_ring_info *txr); +u32 bnge_cp_ring_for_rx(struct bnge_rx_ring_info *rxr); +u32 bnge_cp_ring_for_tx(struct bnge_tx_ring_info *txr); void bnge_fill_hw_rss_tbl(struct bnge_net *bn, struct bnge_vnic_info *vnic); int bnge_alloc_rx_data(struct bnge_net *bn, struct bnge_rx_ring_info *rxr, u16 prod, gfp_t gfp); diff --git a/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h b/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h index 341c7f81ed09..bb0c79a1ee60 100644 --- a/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h +++ b/drivers/net/ethernet/broadcom/bnge/bnge_rmem.h @@ -184,7 +184,7 @@ struct bnge_ctx_mem_info { struct bnge_ring_struct { struct bnge_ring_mem_info ring_mem; - u16 fw_ring_id; + u32 fw_ring_id; union { u16 grp_idx; u16 map_idx; /* Used by NQs */ diff --git a/include/linux/bnge/hsi.h b/include/linux/bnge/hsi.h index 8ea13d5407ee..1f7bd96415a5 100644 --- a/include/linux/bnge/hsi.h +++ b/include/linux/bnge/hsi.h @@ -8317,8 +8317,7 @@ struct hwrm_ring_alloc_output { __le16 req_type; __le16 seq_id; __le16 resp_len; - __le16 ring_id; - __le16 logical_ring_id; + __le32 ring_id; u8 push_buffer_index; #define RING_ALLOC_RESP_PUSH_BUFFER_INDEX_PING_BUFFER 0x0UL #define RING_ALLOC_RESP_PUSH_BUFFER_INDEX_PONG_BUFFER 0x1UL @@ -8345,10 +8344,10 @@ struct hwrm_ring_free_input { u8 flags; #define RING_FREE_REQ_FLAGS_VIRTIO_RING_VALID 0x1UL #define RING_FREE_REQ_FLAGS_LAST RING_FREE_REQ_FLAGS_VIRTIO_RING_VALID - __le16 ring_id; + __le16 unused_1; __le32 prod_idx; __le32 opaque; - __le32 unused_1; + __le32 ring_id; }; /* hwrm_ring_free_output (size:128b/16B) */ -- 2.47.1