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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?q/pZM2kNRAfjgk45XcnObqw4NOKVRl6hrOCy+vzUa29tmrezSok9tGNHd/z0?= =?us-ascii?Q?Tma0ct003FglunASs31WjP5CbnANMR4Uv7kMBWveqftuzjqFGIhLptu9fwTZ?= =?us-ascii?Q?WDpPLranTZKrx1TJaDHDglw+Ggkj8J2c4bGQWkOCi3JebRZa2sLNwDKFjiuD?= =?us-ascii?Q?IhEOkT1bL6arl34skpm+5t2tsJSs78KEvveOGqk0cOWeNuZ5Seef+RVPtlnt?= =?us-ascii?Q?p3UqiAedRNUO5De+qQLHbU6DaAuS+3lBM6edt3QzyTISvofFZykMEKoGvR7t?= =?us-ascii?Q?/6vdW6SvC2BJKjmhnLjuXNy+3ueF5HbDj1KOQTQP9sZxyqpYbR5NaQDs4Sfd?= =?us-ascii?Q?9AN1/7QZ4HX54JFlCl+0KPIo81uuXFiyW+KDll8TQ7t+IPm3k0Q5LBXSyjAj?= =?us-ascii?Q?TI5i5a7DRsydpJoTPaePSnt+wkegU1U4dBiwk/EMd66/VTsCROtdkGHvTKQ8?= =?us-ascii?Q?PKMAdANsrx2stit4OJ8yD/30s0v5Mt6vjV/L3SHm9W5iZ/zPFHsneO9owtGc?= =?us-ascii?Q?bg9mi0rUpWBgx+K/QMGfhBp+xF16VZCiwc10HFnQFiuLIuc5QDx+03q2q7KO?= =?us-ascii?Q?GD2fD0copvolDm8CCJmMMl75oFRybNb7kNhA55NIfTzwCy9RXhY7UA1K3Hjm?= =?us-ascii?Q?IbOlMu8nWmWbb4JanVVrc1QMgI5cKTLMBAhu+QC1Hp9zQxd1dOrIj5GW46YL?= =?us-ascii?Q?wEElgj3rBxRN85lX6n8QiCR8c9ODfqfTfj4TJnowRavqHJ1UOCMaNehu+hWF?= =?us-ascii?Q?vQkgxTgTkiVMEMSn68TQ7/AWRWLufJaLd5HQMbr01ZkWQ5iQzFELMEC99SPN?= =?us-ascii?Q?WWGZBNishQcWHHbnYfZqac4yf4IPWCD47aigyTvtnfBl2FeQR7o2x7ET9jEi?= =?us-ascii?Q?30YL8ohpfwkWXsMmKyoypCFOpWzp1ZulyKwaDyZCUh2FClXpgvqqMJyPHUVG?= =?us-ascii?Q?fUK9lFSobAf7jH34krFYP558+DWXr/Fldm/WBc3OzWeCWfKkTNRg2+iRG5oL?= =?us-ascii?Q?I4NAkQrNGRZ+M60J2b5EiFP6Ae2gwDeYQMdDXm1rbnxTofA/TXZYAQY2zsqB?= =?us-ascii?Q?BUzVPNp6s5ouE2FO4crHG3DiBuoYxuSiOclZQ4GsTJPB9blhlbu58nshVqYx?= =?us-ascii?Q?lbpJRBDHD4+e94L1RbzMXRI69zqLV1ourrVqstdCARQc63iSQPO3o59RylDP?= =?us-ascii?Q?AB/x1utsSvfWo+/tnwtCL9Kz+VtCfAfccIoaFAuNnQuVWP493T7nB+kbBOTs?= =?us-ascii?Q?qRQiP5saoIF0gOtWY/vbB0P/mDwpcx/mrwO6XUF1uk017rEHvxhBInr8Qep5?= =?us-ascii?Q?wRl6EtSXa+fq8acF71VJPpk2FNnXMtqRDpFw6taXATBUXhOWTvWz4t4FT7Hg?= =?us-ascii?Q?XhtgpRwJO18QQe+rXe2If347zw5ZA2nkmu9XkMqpxRQDUfxli5HbjZyqprBU?= =?us-ascii?Q?dgrZDb6Rh2VNZ11vJ5zyq1FHhqqpeu2aZ+3q9eUcHX7s/b0HztmtGiVyDB0w?= =?us-ascii?Q?0hpgqkq6Lo9tmbyyOhgLl+UKCEaoImjfIfUolZdYGWoVJAdIPKFLElG/D1A7?= =?us-ascii?Q?TvCcg0MoNEKIMGEdNymnvW+QsYIKHqGe0Eyumctxy3yQbPhKZwZ5/cfeIUgK?= =?us-ascii?Q?07Yd3li5mkg0W7c4pwISWOvAo01HqdhW+U8jkxHGrUblFKl7cqWlrRfW8HIG?= =?us-ascii?Q?D4mCfyYu5Y0z092C8uM0GRen1XXU1ijGxRJJsv73H1+dsly1?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 93f0c196-3142-43a8-5770-08deb09c2a39 X-MS-Exchange-CrossTenant-AuthSource: DBBPR04MB7500.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2026 03:03:10.4839 (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: dwpMb8aV3PS3ZxLLPbk4k3VftcExaQCKBeNojviBNyNK9x4CBuoUqZTRfwQzm1K1z4eJMvgwqCOUThkYwxqosQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV1PR04MB11525 The buffer pool table contains buffer pool configuration and operational information. Each entry corresponds to a buffer pool. The Entry ID value represents the buffer pool ID to access. The buffer pool table is a static bounded index table, buffer pools are always present and enabled. It only supports Update and Query operations, This patch only adds ntmp_bpt_update_entry() helper to support updating the specified entry of the buffer pool table. Query action to the table will be added in the future. Signed-off-by: Wei Fang --- drivers/net/ethernet/freescale/enetc/ntmp.c | 43 +++++++++++++++++++ .../ethernet/freescale/enetc/ntmp_private.h | 6 +++ include/linux/fsl/ntmp.h | 26 +++++++++++ 3 files changed, 75 insertions(+) diff --git a/drivers/net/ethernet/freescale/enetc/ntmp.c b/drivers/net/ethernet/freescale/enetc/ntmp.c index db74a9107975..ad89be85b185 100644 --- a/drivers/net/ethernet/freescale/enetc/ntmp.c +++ b/drivers/net/ethernet/freescale/enetc/ntmp.c @@ -23,11 +23,15 @@ #define NTMP_RSST_ID 3 #define NTMP_FDBT_ID 15 #define NTMP_VFT_ID 18 +#define NTMP_BPT_ID 41 /* Generic Update Actions for most tables */ #define NTMP_GEN_UA_CFGEU BIT(0) #define NTMP_GEN_UA_STSEU BIT(1) +/* Specific Update Actions for some tables */ +#define BPT_UA_BPSEU BIT(1) + /* Query Action: 0: Full query. 1: Query entry ID, the fields after entry * ID are not returned. */ @@ -271,6 +275,8 @@ static const char *ntmp_table_name(int tbl_id) return "FDB Table"; case NTMP_VFT_ID: return "VLAN Filter Table"; + case NTMP_BPT_ID: + return "Buffer Pool Table"; default: return "Unknown Table"; } @@ -749,5 +755,42 @@ int ntmp_vft_add_entry(struct ntmp_user *user, u16 vid, } EXPORT_SYMBOL_GPL(ntmp_vft_add_entry); +int ntmp_bpt_update_entry(struct ntmp_user *user, u32 entry_id, + const struct bpt_cfge_data *cfge) +{ + struct bpt_req_update *req; + struct netc_swcbd swcbd; + struct netc_cbdr *cbdr; + union netc_cbd cbd; + int err; + + swcbd.size = sizeof(*req); + err = ntmp_alloc_data_mem(user->dev, &swcbd, (void **)&req); + if (err) + return err; + + /* Note that BPT_UA_BPSEU is used to update the BPSE_DATA of the entry, + * which is maintained by the hardware. The BPSE_DATA is not present in + * the request data for 'Update' operation. + */ + ntmp_fill_crd_eid(&req->rbe, user->tbl.bpt_ver, 0, + NTMP_GEN_UA_CFGEU | BPT_UA_BPSEU, entry_id); + req->cfge = *cfge; + ntmp_fill_request_hdr(&cbd, swcbd.dma, NTMP_LEN(swcbd.size, 0), + NTMP_BPT_ID, NTMP_CMD_UPDATE, NTMP_AM_ENTRY_ID); + + ntmp_select_and_lock_cbdr(user, &cbdr); + err = netc_xmit_ntmp_cmd(cbdr, &cbd, &swcbd); + if (err) + dev_err(user->dev, + "Failed to update %s entry 0x%x, err: %pe\n", + ntmp_table_name(NTMP_BPT_ID), entry_id, ERR_PTR(err)); + + ntmp_unlock_cbdr(cbdr); + + return err; +} +EXPORT_SYMBOL_GPL(ntmp_bpt_update_entry); + MODULE_DESCRIPTION("NXP NETC Library"); MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/ethernet/freescale/enetc/ntmp_private.h b/drivers/net/ethernet/freescale/enetc/ntmp_private.h index 575ee783be47..64df49e9a3ef 100644 --- a/drivers/net/ethernet/freescale/enetc/ntmp_private.h +++ b/drivers/net/ethernet/freescale/enetc/ntmp_private.h @@ -175,4 +175,10 @@ struct vft_req_ua { struct vft_cfge_data cfge; }; +/* Buffer Pool Table Request Data Buffer Format of Update action */ +struct bpt_req_update { + struct ntmp_req_by_eid rbe; + struct bpt_cfge_data cfge; +}; + #endif diff --git a/include/linux/fsl/ntmp.h b/include/linux/fsl/ntmp.h index 3672e0dc7726..d74714a402f6 100644 --- a/include/linux/fsl/ntmp.h +++ b/include/linux/fsl/ntmp.h @@ -33,6 +33,7 @@ struct netc_tbl_vers { u8 rsst_ver; u8 fdbt_ver; u8 vft_ver; + u8 bpt_ver; }; struct netc_swcbd { @@ -123,6 +124,29 @@ struct vft_cfge_data { __le32 et_eid; }; +struct bpt_bpse_data { + __le32 amount_used; + __le32 amount_used_hwm; + u8 bpd_fc_state; +#define BPT_FC_STATE BIT(0) +#define BPT_BPD BIT(1) +} __packed; + +struct bpt_cfge_data { + u8 fccfg_sbpen; +#define BPT_SBP_EN BIT(0) +#define BPT_FC_CFG GENMASK(2, 1) +#define BPT_FC_CFG_EN_BPFC 1 + u8 pfc_vector; + __le16 max_thresh; + __le16 fc_on_thresh; + __le16 fc_off_thresh; + __le16 sbp_thresh; + __le16 resv; + __le32 sbp_eid; + __le32 fc_ports; +}; + #if IS_ENABLED(CONFIG_NXP_NETC_LIB) int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev, const struct netc_cbdr_regs *regs); @@ -149,6 +173,8 @@ int ntmp_fdbt_search_port_entry(struct ntmp_user *user, int port, struct fdbt_entry_data *entry); int ntmp_vft_add_entry(struct ntmp_user *user, u16 vid, const struct vft_cfge_data *cfge); +int ntmp_bpt_update_entry(struct ntmp_user *user, u32 entry_id, + const struct bpt_cfge_data *cfge); #else static inline int ntmp_init_cbdr(struct netc_cbdr *cbdr, struct device *dev, const struct netc_cbdr_regs *regs) -- 2.34.1