diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_cpr.c')
| -rw-r--r-- | drivers/net/bnxt/bnxt_cpr.c | 159 |
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; +} |