net/bnxt: add HWRM VNIC alloc

This requires a group info array in struct bnxt, so add that, we can save
the max size from the func_qcap response, and alloc/free in init/uninit

New HWRM call:
bnxt_hwrm_vnic_alloc:
	Allocates a VNIC resource in the hardware.

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Signed-off-by: Stephen Hurd <stephen.hurd@broadcom.com>
Reviewed-by: David Christensen <david.christensen@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt.h b/drivers/net/bnxt/bnxt.h
index f7cf9d1..df1f771 100644 (file)
--- a/drivers/net/bnxt/bnxt.h
+++ b/drivers/net/bnxt/bnxt.h
@@ -141,6 +141,8 @@ struct bnxt {
 
        /* Default completion ring */
        struct bnxt_cp_ring_info        *def_cp_ring;
+       uint32_t                max_ring_grps;
+       struct bnxt_ring_grp_info       *grp_info;
 
        unsigned int            nr_vnics;
 

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index d1ca60a..fb0b7bf 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -43,6 +43,7 @@
 #include "bnxt_filter.h"
 #include "bnxt_hwrm.h"
 #include "bnxt_rxq.h"
+#include "bnxt_ring.h"
 #include "bnxt_txq.h"
 #include "bnxt_vnic.h"
 #include "hsi_struct_def_dpdk.h"
@@ -235,6 +236,7 @@ int bnxt_hwrm_func_qcaps(struct bnxt *bp)
 
        HWRM_CHECK_RESULT;
 
+       bp->max_ring_grps = rte_le_to_cpu_32(resp->max_hw_ring_grps);
        if (BNXT_PF(bp)) {
                struct bnxt_pf_info *pf = &bp->pf;
 
@@ -521,6 +523,36 @@ int bnxt_hwrm_stat_clear(struct bnxt *bp, struct bnxt_cp_ring_info *cpr)
        return rc;
 }
 
+int bnxt_hwrm_vnic_alloc(struct bnxt *bp, struct bnxt_vnic_info *vnic)
+{
+       int rc = 0, i, j;
+       struct hwrm_vnic_alloc_input req = {.req_type = 0 };
+       struct hwrm_vnic_alloc_output *resp = bp->hwrm_cmd_resp_addr;
+
+       /* map ring groups to this vnic */
+       for (i = vnic->start_grp_id, j = 0; i <= vnic->end_grp_id; i++, j++) {
+               if (bp->grp_info[i].fw_grp_id == (uint16_t)HWRM_NA_SIGNATURE) {
+                       RTE_LOG(ERR, PMD,
+                               "Not enough ring groups avail:%x req:%x\n", j,
+                               (vnic->end_grp_id - vnic->start_grp_id) + 1);
+                       break;
+               }
+               vnic->fw_grp_ids[j] = bp->grp_info[i].fw_grp_id;
+       }
+
+       vnic->fw_rss_cos_lb_ctx = (uint16_t)HWRM_NA_SIGNATURE;
+       vnic->ctx_is_rss_cos_lb = HW_CONTEXT_NONE;
+
+       HWRM_PREP(req, VNIC_ALLOC, -1, resp);
+
+       rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
+
+       HWRM_CHECK_RESULT;
+
+       vnic->fw_vnic_id = rte_le_to_cpu_16(resp->vnic_id);
+       return rc;
+}
+
 /*
  * HWRM utility functions
  */

diff --git a/drivers/net/bnxt/bnxt_hwrm.h b/drivers/net/bnxt/bnxt_hwrm.h
index 2679d09..7d09773 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.h
+++ b/drivers/net/bnxt/bnxt_hwrm.h
@@ -63,6 +63,8 @@ int bnxt_hwrm_stat_clear(struct bnxt *bp, struct bnxt_cp_ring_info *cpr);
 
 int bnxt_hwrm_ver_get(struct bnxt *bp);
 
+int bnxt_hwrm_vnic_alloc(struct bnxt *bp, struct bnxt_vnic_info *vnic);
+
 int bnxt_clear_all_hwrm_stat_ctxs(struct bnxt *bp);
 void bnxt_free_hwrm_resources(struct bnxt *bp);
 int bnxt_alloc_hwrm_resources(struct bnxt *bp);

diff --git a/drivers/net/bnxt/hsi_struct_def_dpdk.h b/drivers/net/bnxt/hsi_struct_def_dpdk.h
index 6209368..eedd368 100644 (file)
--- a/drivers/net/bnxt/hsi_struct_def_dpdk.h
+++ b/drivers/net/bnxt/hsi_struct_def_dpdk.h
@@ -89,6 +89,7 @@ struct ctx_hw_stats64 {
 #define HWRM_FUNC_DRV_RGTR             (UINT32_C(0x1d))
 #define HWRM_PORT_PHY_CFG              (UINT32_C(0x20))
 #define HWRM_QUEUE_QPORTCFG            (UINT32_C(0x30))
+#define HWRM_VNIC_ALLOC                        (UINT32_C(0x40))
 #define HWRM_CFA_L2_FILTER_ALLOC       (UINT32_C(0x90))
 #define HWRM_CFA_L2_FILTER_FREE                (UINT32_C(0x91))
 #define HWRM_CFA_L2_FILTER_CFG         (UINT32_C(0x92))
@@ -3119,6 +3120,104 @@ struct hwrm_stat_ctx_clr_stats_output {
        uint8_t valid;
 } __attribute__((packed));
 
+/* hwrm_vnic_alloc */
+/*
+ * Description: This VNIC is a resource in the RX side of the chip that is used
+ * to represent a virtual host "interface". # At the time of VNIC allocation or
+ * configuration, the function can specify whether it wants the requested VNIC
+ * to be the default VNIC for the function or not. # If a function requests
+ * allocation of a VNIC for the first time and a VNIC is successfully allocated
+ * by the HWRM, then the HWRM shall make the allocated VNIC as the default VNIC
+ * for that function. # The default VNIC shall be used for the default action
+ * for a partition or function. # For each VNIC allocated on a function, a
+ * mapping on the RX side to map the allocated VNIC to source virtual interface
+ * shall be performed by the HWRM. This should be hidden to the function driver
+ * requesting the VNIC allocation. This enables broadcast/multicast replication
+ * with source knockout. # If multicast replication with source knockout is
+ * enabled, then the internal VNIC to SVIF mapping data structures shall be
+ * programmed at the time of VNIC allocation.
+ */
+
+/* Input (24 bytes) */
+struct hwrm_vnic_alloc_input {
+       /*
+        * This value indicates what type of request this is. The format for the
+        * rest of the command is determined by this field.
+        */
+       uint16_t req_type;
+
+       /*
+        * This value indicates the what completion ring the request will be
+        * optionally completed on. If the value is -1, then no CR completion
+        * will be generated. Any other value must be a valid CR ring_id value
+        * for this function.
+        */
+       uint16_t cmpl_ring;
+
+       /* This value indicates the command sequence number. */
+       uint16_t seq_id;
+
+       /*
+        * Target ID of this command. 0x0 - 0xFFF8 - Used for function ids
+        * 0xFFF8 - 0xFFFE - Reserved for internal processors 0xFFFF - HWRM
+        */
+       uint16_t target_id;
+
+       /*
+        * This is the host address where the response will be written when the
+        * request is complete. This area must be 16B aligned and must be
+        * cleared to zero before the request is made.
+        */
+       uint64_t resp_addr;
+
+       /*
+        * When this bit is '1', this VNIC is requested to be the default VNIC
+        * for this function.
+        */
+       #define HWRM_VNIC_ALLOC_INPUT_FLAGS_DEFAULT                UINT32_C(0x1)
+       uint32_t flags;
+
+       uint32_t unused_0;
+} __attribute__((packed));
+
+/* Output (16 bytes) */
+struct hwrm_vnic_alloc_output {
+       /*
+        * Pass/Fail or error type Note: receiver to verify the in parameters,
+        * and fail the call with an error when appropriate
+        */
+       uint16_t error_code;
+
+       /* This field returns the type of original request. */
+       uint16_t req_type;
+
+       /* This field provides original sequence number of the command. */
+       uint16_t seq_id;
+
+       /*
+        * This field is the length of the response in bytes. The last byte of
+        * the response is a valid flag that will read as '1' when the command
+        * has been completely written to memory.
+        */
+       uint16_t resp_len;
+
+       /* Logical vnic ID */
+       uint32_t vnic_id;
+
+       uint8_t unused_0;
+       uint8_t unused_1;
+       uint8_t unused_2;
+
+       /*
+        * This field is used in Output records to indicate that the output is
+        * completely written to RAM. This field should be read as '1' to
+        * indicate that the output has been completely written. When writing a
+        * command completion or response to an internal processor, the order of
+        * writes has to be such that this field is written last.
+        */
+       uint8_t valid;
+} __attribute__((packed));
+
 /* hwrm_vnic_rss_cfg */
 /* Description: This function is used to enable RSS configuration. */