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Diffstat (limited to 'drivers/net/bnxt/bnxt_cpr.c')
-rw-r--r--drivers/net/bnxt/bnxt_cpr.c159
1 files changed, 159 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c
new file mode 100644
index 00000000..60c277a1
--- /dev/null
+++ b/drivers/net/bnxt/bnxt_cpr.c
@@ -0,0 +1,159 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) Broadcom Limited.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_malloc.h>
+
+#include "bnxt.h"
+#include "bnxt_cpr.h"
+#include "bnxt_hwrm.h"
+#include "bnxt_ring.h"
+#include "hsi_struct_def_dpdk.h"
+
+/*
+ * Async event handling
+ */
+void bnxt_handle_async_event(struct bnxt *bp __rte_unused,
+ struct cmpl_base *cmp)
+{
+ struct hwrm_async_event_cmpl *async_cmp =
+ (struct hwrm_async_event_cmpl *)cmp;
+
+ /* TODO: HWRM async events are not defined yet */
+ /* Needs to handle: link events, error events, etc. */
+ switch (async_cmp->event_id) {
+ case 0:
+ /* Assume LINK_CHANGE == 0 */
+ RTE_LOG(INFO, PMD, "Link change event\n");
+
+ /* Can just prompt the update_op routine to do a qcfg
+ * instead of doing the actual qcfg
+ */
+ break;
+ case 1:
+ break;
+ default:
+ RTE_LOG(ERR, PMD, "handle_async_event id = 0x%x\n",
+ async_cmp->event_id);
+ break;
+ }
+}
+
+void bnxt_handle_fwd_req(struct bnxt *bp, struct cmpl_base *cmpl)
+{
+ struct hwrm_fwd_req_cmpl *fwd_cmpl = (struct hwrm_fwd_req_cmpl *)cmpl;
+ struct input *fwd_cmd;
+ uint16_t logical_vf_id, error_code;
+
+ /* Qualify the fwd request */
+ if (fwd_cmpl->source_id < bp->pf.first_vf_id) {
+ RTE_LOG(ERR, PMD,
+ "FWD req's source_id 0x%x > first_vf_id 0x%x\n",
+ fwd_cmpl->source_id, bp->pf.first_vf_id);
+ error_code = HWRM_ERR_CODE_RESOURCE_ACCESS_DENIED;
+ goto reject;
+ } else if (fwd_cmpl->req_len_type >> HWRM_FWD_REQ_CMPL_REQ_LEN_SFT >
+ 128 - sizeof(struct input)) {
+ RTE_LOG(ERR, PMD,
+ "FWD req's cmd len 0x%x > 108 bytes allowed\n",
+ fwd_cmpl->req_len_type >> HWRM_FWD_REQ_CMPL_REQ_LEN_SFT);
+ error_code = HWRM_ERR_CODE_INVALID_PARAMS;
+ goto reject;
+ }
+
+ /* Locate VF's forwarded command */
+ logical_vf_id = fwd_cmpl->source_id - bp->pf.first_vf_id;
+ fwd_cmd = (struct input *)((uint8_t *)bp->pf.vf_req_buf +
+ (logical_vf_id * 128));
+
+ /* Provision the request */
+ switch (fwd_cmd->req_type) {
+ case HWRM_CFA_L2_FILTER_ALLOC:
+ case HWRM_CFA_L2_FILTER_FREE:
+ case HWRM_CFA_L2_FILTER_CFG:
+ case HWRM_CFA_L2_SET_RX_MASK:
+ break;
+ default:
+ error_code = HWRM_ERR_CODE_INVALID_PARAMS;
+ goto reject;
+ }
+
+ /* Forward */
+ fwd_cmd->target_id = fwd_cmpl->source_id;
+ bnxt_hwrm_exec_fwd_resp(bp, fwd_cmd);
+ return;
+
+reject:
+ /* TODO: Encap the reject error resp into the hwrm_err_iput? */
+ /* Use the error_code for the reject cmd */
+ RTE_LOG(ERR, PMD,
+ "Error 0x%x found in the forward request\n", error_code);
+}
+
+/* For the default completion ring only */
+void bnxt_free_def_cp_ring(struct bnxt *bp)
+{
+ struct bnxt_cp_ring_info *cpr = bp->def_cp_ring;
+
+ bnxt_free_ring(cpr->cp_ring_struct);
+ rte_free(cpr->cp_ring_struct);
+ rte_free(cpr);
+}
+
+/* For the default completion ring only */
+int bnxt_init_def_ring_struct(struct bnxt *bp, unsigned int socket_id)
+{
+ struct bnxt_cp_ring_info *cpr;
+ struct bnxt_ring *ring;
+
+ cpr = rte_zmalloc_socket("cpr",
+ sizeof(struct bnxt_cp_ring_info),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (cpr == NULL)
+ return -ENOMEM;
+ bp->def_cp_ring = cpr;
+
+ ring = rte_zmalloc_socket("bnxt_cp_ring_struct",
+ sizeof(struct bnxt_ring),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (ring == NULL)
+ return -ENOMEM;
+ cpr->cp_ring_struct = ring;
+ ring->bd = (void *)cpr->cp_desc_ring;
+ ring->bd_dma = cpr->cp_desc_mapping;
+ ring->ring_size = rte_align32pow2(DEFAULT_CP_RING_SIZE);
+ ring->ring_mask = ring->ring_size - 1;
+ ring->vmem_size = 0;
+ ring->vmem = NULL;
+
+ return 0;
+}