[dpdk-dev] [PATCH v2 18/40] bnxt: add HWRM vnic free function
Stephen Hurd
stephen.hurd at broadcom.com
Sat May 14 00:46:07 CEST 2016
Frees a vnic allocated by vnic_alloc.
Signed-off-by: Stephen Hurd <stephen.hurd at broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde at broadcom.com>
---
drivers/net/bnxt/bnxt_hwrm.c | 21 +++++++++
drivers/net/bnxt/bnxt_hwrm.h | 1 +
drivers/net/bnxt/hsi_struct_def_dpdk.h | 82 ++++++++++++++++++++++++++++++++++
3 files changed, 104 insertions(+)
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index ecd4718..d716b67 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -510,6 +510,27 @@ int bnxt_hwrm_vnic_alloc(struct bnxt *bp, struct bnxt_vnic_info *vnic)
return rc;
}
+int bnxt_hwrm_vnic_free(struct bnxt *bp, struct bnxt_vnic_info *vnic)
+{
+ int rc = 0;
+ struct hwrm_vnic_free_input req = {.req_type = 0 };
+ struct hwrm_vnic_free_output *resp = bp->hwrm_cmd_resp_addr;
+
+ if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
+ return rc;
+
+ HWRM_PREP(req, VNIC_FREE, -1, resp);
+
+ req.vnic_id = rte_cpu_to_le_16(vnic->fw_vnic_id);
+
+ rc = bnxt_hwrm_send_message(bp, &req, sizeof(req));
+
+ HWRM_CHECK_RESULT;
+
+ vnic->fw_vnic_id = INVALID_HW_RING_ID;
+ return rc;
+}
+
/*
* HWRM utility functions
*/
diff --git a/drivers/net/bnxt/bnxt_hwrm.h b/drivers/net/bnxt/bnxt_hwrm.h
index 62dc801..887ad2d 100644
--- a/drivers/net/bnxt/bnxt_hwrm.h
+++ b/drivers/net/bnxt/bnxt_hwrm.h
@@ -59,6 +59,7 @@ 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_free(struct bnxt *bp, struct bnxt_vnic_info *vnic);
int bnxt_hwrm_vnic_alloc(struct bnxt *bp, struct bnxt_vnic_info *vnic);
int bnxt_clear_all_hwrm_stat_ctxs(struct bnxt *bp);
diff --git a/drivers/net/bnxt/hsi_struct_def_dpdk.h b/drivers/net/bnxt/hsi_struct_def_dpdk.h
index ba0e054..93d50fb 100644
--- a/drivers/net/bnxt/hsi_struct_def_dpdk.h
+++ b/drivers/net/bnxt/hsi_struct_def_dpdk.h
@@ -90,6 +90,7 @@ typedef struct ctx_hw_stats64 {
#define HWRM_PORT_PHY_CFG (UINT32_C(0x20))
#define HWRM_QUEUE_QPORTCFG (UINT32_C(0x30))
#define HWRM_VNIC_ALLOC (UINT32_C(0x40))
+#define HWRM_VNIC_FREE (UINT32_C(0x41))
#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))
@@ -3267,6 +3268,87 @@ struct hwrm_vnic_alloc_output {
uint8_t valid;
} __attribute__((packed));
+/* hwrm_vnic_free */
+/*
+ * Description: Free a VNIC resource. Idle any resources associated with the
+ * VNIC as well as the VNIC. Reset and release all resources associated with the
+ * VNIC.
+ */
+
+/* Input (24 bytes) */
+struct hwrm_vnic_free_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;
+
+ /* Logical vnic ID */
+ uint32_t vnic_id;
+
+ uint32_t unused_0;
+} __attribute__((packed));
+
+/* Output (16 bytes) */
+struct hwrm_vnic_free_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;
+
+ uint32_t unused_0;
+ uint8_t unused_1;
+ uint8_t unused_2;
+ uint8_t unused_3;
+
+ /*
+ * 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. */
--
1.9.1
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