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 <robert-ionut.alexa@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
index 828f538097af8b0096771e36e2d53e52ffc11cd5..be9492b8d5dcf6949b39b575002ac9dcc9027511 100644 (file)
--- 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 {
+       __le16 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 6c3b36f20fb80638dd1ac96c47918fc833573976..02601a283b599edd6a82886e0ffeb9decabd62fd 100644 (file)
--- 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 6fffd519aa00e2af883c480fcd93770de09bfe8d..5c0a1d5ac934963bef1f51b56fbf0e183bbeda87 100644 (file)
--- 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];