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X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1d5428b6-5fc3-46b9-277b-08d8c8ff0fa6 X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB6800.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Feb 2021 11:21:48.1421 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: N9dof9RAoFL40OUUYh00HaLwSIoNbqPgVBo6QQqlUW5OkjaIWolN/gQDwoKYxUrEff3W7wT0pZZgOW9pDTFnZg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6366 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Driver uses dma_alloc_coherent to allocate dma memory for descriptors, dma_alloc_coherent will return both the virtual address and physical address. AFAIK, virt_to_phys could not convert virtual address to physical address, for which memory is allocated by dma_alloc_coherent. Signed-off-by: Joakim Zhang --- .../ethernet/stmicro/stmmac/dwmac4_descs.c | 7 +-- .../net/ethernet/stmicro/stmmac/enh_desc.c | 7 +-- drivers/net/ethernet/stmicro/stmmac/hwif.h | 3 +- .../net/ethernet/stmicro/stmmac/norm_desc.c | 7 +-- .../net/ethernet/stmicro/stmmac/stmmac_main.c | 54 ++++++++++++------- 5 files changed, 49 insertions(+), 29 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index c6540b003b43..6f951adc5f90 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -402,7 +402,8 @@ static void dwmac4_rd_set_tx_ic(struct dma_desc *p) p->des2 |= cpu_to_le32(TDES2_INTERRUPT_ON_COMPLETION); } -static void dwmac4_display_ring(void *head, unsigned int size, bool rx) +static void dwmac4_display_ring(void *head, unsigned int size, bool rx, + dma_addr_t dma_rx_phy, unsigned int desc_size) { struct dma_desc *p = (struct dma_desc *)head; int i; @@ -410,8 +411,8 @@ static void dwmac4_display_ring(void *head, unsigned int size, bool rx) pr_info("%s descriptor ring:\n", rx ? "RX" : "TX"); for (i = 0; i < size; i++) { - pr_info("%03d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n", - i, (unsigned int)virt_to_phys(p), + pr_info("%03d [0x%llx]: 0x%x 0x%x 0x%x 0x%x\n", + i, (unsigned long long)(dma_rx_phy + i * desc_size), le32_to_cpu(p->des0), le32_to_cpu(p->des1), le32_to_cpu(p->des2), le32_to_cpu(p->des3)); p++; diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c index d02cec296f51..eaea4cf02386 100644 --- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c @@ -417,7 +417,8 @@ static int enh_desc_get_rx_timestamp_status(void *desc, void *next_desc, } } -static void enh_desc_display_ring(void *head, unsigned int size, bool rx) +static void enh_desc_display_ring(void *head, unsigned int size, bool rx, + dma_addr_t dma_rx_phy, unsigned int desc_size) { struct dma_extended_desc *ep = (struct dma_extended_desc *)head; int i; @@ -428,8 +429,8 @@ static void enh_desc_display_ring(void *head, unsigned int size, bool rx) u64 x; x = *(u64 *)ep; - pr_info("%03d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n", - i, (unsigned int)virt_to_phys(ep), + pr_info("%03d [0x%llx]: 0x%x 0x%x 0x%x 0x%x\n", + i, (unsigned long long)(dma_rx_phy + i * desc_size), (unsigned int)x, (unsigned int)(x >> 32), ep->basic.des2, ep->basic.des3); ep++; diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index b40b2e0667bb..7417db31402f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -78,7 +78,8 @@ struct stmmac_desc_ops { /* get rx timestamp status */ int (*get_rx_timestamp_status)(void *desc, void *next_desc, u32 ats); /* Display ring */ - void (*display_ring)(void *head, unsigned int size, bool rx); + void (*display_ring)(void *head, unsigned int size, bool rx, + dma_addr_t dma_rx_phy, unsigned int desc_size); /* set MSS via context descriptor */ void (*set_mss)(struct dma_desc *p, unsigned int mss); /* get descriptor skbuff address */ diff --git a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c index f083360e4ba6..36e769d2e312 100644 --- a/drivers/net/ethernet/stmicro/stmmac/norm_desc.c +++ b/drivers/net/ethernet/stmicro/stmmac/norm_desc.c @@ -269,7 +269,8 @@ static int ndesc_get_rx_timestamp_status(void *desc, void *next_desc, u32 ats) return 1; } -static void ndesc_display_ring(void *head, unsigned int size, bool rx) +static void ndesc_display_ring(void *head, unsigned int size, bool rx, + dma_addr_t dma_rx_phy, unsigned int desc_size) { struct dma_desc *p = (struct dma_desc *)head; int i; @@ -280,8 +281,8 @@ static void ndesc_display_ring(void *head, unsigned int size, bool rx) u64 x; x = *(u64 *)p; - pr_info("%03d [0x%x]: 0x%x 0x%x 0x%x 0x%x", - i, (unsigned int)virt_to_phys(p), + pr_info("%03d [0x%llx]: 0x%x 0x%x 0x%x 0x%x", + i, (unsigned long long)(dma_rx_phy + i * desc_size), (unsigned int)x, (unsigned int)(x >> 32), p->des2, p->des3); p++; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 12ed337a239b..b1950fd4eb80 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1133,6 +1133,7 @@ static int stmmac_phy_setup(struct stmmac_priv *priv) static void stmmac_display_rx_rings(struct stmmac_priv *priv) { u32 rx_cnt = priv->plat->rx_queues_to_use; + unsigned int desc_size; void *head_rx; u32 queue; @@ -1142,19 +1143,24 @@ static void stmmac_display_rx_rings(struct stmmac_priv *priv) pr_info("\tRX Queue %u rings\n", queue); - if (priv->extend_desc) + if (priv->extend_desc) { head_rx = (void *)rx_q->dma_erx; - else + desc_size = sizeof(struct dma_extended_desc); + } else { head_rx = (void *)rx_q->dma_rx; + desc_size = sizeof(struct dma_desc); + } /* Display RX ring */ - stmmac_display_ring(priv, head_rx, priv->dma_rx_size, true); + stmmac_display_ring(priv, head_rx, priv->dma_rx_size, true, + rx_q->dma_rx_phy, desc_size); } } static void stmmac_display_tx_rings(struct stmmac_priv *priv) { u32 tx_cnt = priv->plat->tx_queues_to_use; + unsigned int desc_size; void *head_tx; u32 queue; @@ -1164,14 +1170,19 @@ static void stmmac_display_tx_rings(struct stmmac_priv *priv) pr_info("\tTX Queue %d rings\n", queue); - if (priv->extend_desc) + if (priv->extend_desc) { head_tx = (void *)tx_q->dma_etx; - else if (tx_q->tbs & STMMAC_TBS_AVAIL) + desc_size = sizeof(struct dma_extended_desc); + } else if (tx_q->tbs & STMMAC_TBS_AVAIL) { head_tx = (void *)tx_q->dma_entx; - else + desc_size = sizeof(struct dma_edesc); + } else { head_tx = (void *)tx_q->dma_tx; + desc_size = sizeof(struct dma_desc); + } - stmmac_display_ring(priv, head_tx, priv->dma_tx_size, false); + stmmac_display_ring(priv, head_tx, priv->dma_tx_size, false, + tx_q->dma_tx_phy, desc_size); } } @@ -3736,18 +3747,23 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue) unsigned int count = 0, error = 0, len = 0; int status = 0, coe = priv->hw->rx_csum; unsigned int next_entry = rx_q->cur_rx; + unsigned int desc_size; struct sk_buff *skb = NULL; if (netif_msg_rx_status(priv)) { void *rx_head; netdev_dbg(priv->dev, "%s: descriptor ring:\n", __func__); - if (priv->extend_desc) + if (priv->extend_desc) { rx_head = (void *)rx_q->dma_erx; - else + desc_size = sizeof(struct dma_extended_desc); + } else { rx_head = (void *)rx_q->dma_rx; + desc_size = sizeof(struct dma_desc); + } - stmmac_display_ring(priv, rx_head, priv->dma_rx_size, true); + stmmac_display_ring(priv, rx_head, priv->dma_rx_size, true, + rx_q->dma_rx_phy, desc_size); } while (count < limit) { unsigned int buf1_len = 0, buf2_len = 0; @@ -4315,7 +4331,7 @@ static int stmmac_set_mac_address(struct net_device *ndev, void *addr) static struct dentry *stmmac_fs_dir; static void sysfs_display_ring(void *head, int size, int extend_desc, - struct seq_file *seq) + struct seq_file *seq, dma_addr_t dma_phy_addr) { int i; struct dma_extended_desc *ep = (struct dma_extended_desc *)head; @@ -4323,16 +4339,16 @@ static void sysfs_display_ring(void *head, int size, int extend_desc, for (i = 0; i < size; i++) { if (extend_desc) { - seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n", - i, (unsigned int)virt_to_phys(ep), + seq_printf(seq, "%d [0x%llx]: 0x%x 0x%x 0x%x 0x%x\n", + i, (unsigned long long)(dma_phy_addr + i * sizeof(ep)), le32_to_cpu(ep->basic.des0), le32_to_cpu(ep->basic.des1), le32_to_cpu(ep->basic.des2), le32_to_cpu(ep->basic.des3)); ep++; } else { - seq_printf(seq, "%d [0x%x]: 0x%x 0x%x 0x%x 0x%x\n", - i, (unsigned int)virt_to_phys(p), + seq_printf(seq, "%d [0x%llx]: 0x%x 0x%x 0x%x 0x%x\n", + i, (unsigned long long)(dma_phy_addr + i * sizeof(p)), le32_to_cpu(p->des0), le32_to_cpu(p->des1), le32_to_cpu(p->des2), le32_to_cpu(p->des3)); p++; @@ -4360,11 +4376,11 @@ static int stmmac_rings_status_show(struct seq_file *seq, void *v) if (priv->extend_desc) { seq_printf(seq, "Extended descriptor ring:\n"); sysfs_display_ring((void *)rx_q->dma_erx, - priv->dma_rx_size, 1, seq); + priv->dma_rx_size, 1, seq, rx_q->dma_rx_phy); } else { seq_printf(seq, "Descriptor ring:\n"); sysfs_display_ring((void *)rx_q->dma_rx, - priv->dma_rx_size, 0, seq); + priv->dma_rx_size, 0, seq, rx_q->dma_rx_phy); } } @@ -4376,11 +4392,11 @@ static int stmmac_rings_status_show(struct seq_file *seq, void *v) if (priv->extend_desc) { seq_printf(seq, "Extended descriptor ring:\n"); sysfs_display_ring((void *)tx_q->dma_etx, - priv->dma_tx_size, 1, seq); + priv->dma_tx_size, 1, seq, tx_q->dma_tx_phy); } else if (!(tx_q->tbs & STMMAC_TBS_AVAIL)) { seq_printf(seq, "Descriptor ring:\n"); sysfs_display_ring((void *)tx_q->dma_tx, - priv->dma_tx_size, 0, seq); + priv->dma_tx_size, 0, seq, tx_q->dma_tx_phy); } }