From 268938d5b176b743e9ffb9e46a58225be8ae7392 Mon Sep 17 00:00:00 2001 From: Robert-Ionut Alexa Date: Mon, 12 Sep 2022 21:28:23 +0300 Subject: [PATCH] net: dpaa2-eth: update the dpni_set_pools() API to support per QDBIN pools Update the dpni_set_pool() firmware API so that in the next patches we can configure per Rx queue (per QDBIN) buffer pools. This is a hard requirement of the AF_XDP, thus we need the newer API version. Signed-off-by: Robert-Ionut Alexa Signed-off-by: Ioana Ciornei --- .../net/ethernet/freescale/dpaa2/dpni-cmd.h | 19 +++++++++++++------ drivers/net/ethernet/freescale/dpaa2/dpni.c | 6 +++++- drivers/net/ethernet/freescale/dpaa2/dpni.h | 9 +++++++++ 3 files changed, 27 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h index 828f538097af8b..759385c882b1d0 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h @@ -13,10 +13,12 @@ #define DPNI_VER_MINOR 0 #define DPNI_CMD_BASE_VERSION 1 #define DPNI_CMD_2ND_VERSION 2 +#define DPNI_CMD_3RD_VERSION 3 #define DPNI_CMD_ID_OFFSET 4 #define DPNI_CMD(id) (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_BASE_VERSION) #define DPNI_CMD_V2(id) (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_2ND_VERSION) +#define DPNI_CMD_V3(id) (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_3RD_VERSION) #define DPNI_CMDID_OPEN DPNI_CMD(0x801) #define DPNI_CMDID_CLOSE DPNI_CMD(0x800) @@ -39,7 +41,7 @@ #define DPNI_CMDID_GET_IRQ_STATUS DPNI_CMD(0x016) #define DPNI_CMDID_CLEAR_IRQ_STATUS DPNI_CMD(0x017) -#define DPNI_CMDID_SET_POOLS DPNI_CMD(0x200) +#define DPNI_CMDID_SET_POOLS DPNI_CMD_V3(0x200) #define DPNI_CMDID_SET_ERRORS_BEHAVIOR DPNI_CMD(0x20B) #define DPNI_CMDID_GET_QDID DPNI_CMD(0x210) @@ -115,14 +117,19 @@ struct dpni_cmd_open { }; #define DPNI_BACKUP_POOL(val, order) (((val) & 0x1) << (order)) + +struct dpni_cmd_pool { + u16 dpbp_id; + u8 priority_mask; + u8 pad; +}; + struct dpni_cmd_set_pools { - /* cmd word 0 */ u8 num_dpbp; u8 backup_pool_mask; - __le16 pad; - /* cmd word 0..4 */ - __le32 dpbp_id[DPNI_MAX_DPBP]; - /* cmd word 4..6 */ + u8 pad; + u8 pool_options; + struct dpni_cmd_pool pool[DPNI_MAX_DPBP]; __le16 buffer_size[DPNI_MAX_DPBP]; }; diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c index 6c3b36f20fb806..02601a283b599e 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c @@ -173,8 +173,12 @@ int dpni_set_pools(struct fsl_mc_io *mc_io, token); cmd_params = (struct dpni_cmd_set_pools *)cmd.params; cmd_params->num_dpbp = cfg->num_dpbp; + cmd_params->pool_options = cfg->pool_options; for (i = 0; i < DPNI_MAX_DPBP; i++) { - cmd_params->dpbp_id[i] = cpu_to_le32(cfg->pools[i].dpbp_id); + cmd_params->pool[i].dpbp_id = + cpu_to_le16(cfg->pools[i].dpbp_id); + cmd_params->pool[i].priority_mask = + cfg->pools[i].priority_mask; cmd_params->buffer_size[i] = cpu_to_le16(cfg->pools[i].buffer_size); cmd_params->backup_pool_mask |= diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h index 6fffd519aa00e2..5c0a1d5ac93496 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h @@ -92,19 +92,28 @@ int dpni_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token); +#define DPNI_POOL_ASSOC_QPRI 0 +#define DPNI_POOL_ASSOC_QDBIN 1 + /** * struct dpni_pools_cfg - Structure representing buffer pools configuration * @num_dpbp: Number of DPBPs + * @pool_options: Buffer assignment options. + * This field is a combination of DPNI_POOL_ASSOC_flags * @pools: Array of buffer pools parameters; The number of valid entries * must match 'num_dpbp' value * @pools.dpbp_id: DPBP object ID + * @pools.priority: Priority mask that indicates TC's used with this buffer. + * If set to 0x00 MC will assume value 0xff. * @pools.buffer_size: Buffer size * @pools.backup_pool: Backup pool */ struct dpni_pools_cfg { u8 num_dpbp; + u8 pool_options; struct { int dpbp_id; + u8 priority_mask; u16 buffer_size; int backup_pool; } pools[DPNI_MAX_DPBP];