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Ip=[178.72.21.4]; Helo=[localhost.localdomain] X-MS-Exchange-CrossTenant-AuthSource: AMS0EPF000001AC.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB9P190MB1698 X-BESS-ID: 1728054510-305791-12643-33573-1 X-BESS-VER: 2019.1_20240924.1654 X-BESS-Apparent-Source-IP: 104.47.18.113 X-BESS-Parts: H4sIAAAAAAACA4uuVkqtKFGyUioBkjpK+cVKVqYGluZAVgZQ0DQ1Lc3Q1Mjc0D wRKGiclGhikJSclGZhYGppYGRknqxUGwsAMR6F40EAAAA= X-BESS-Outbound-Spam-Score: 0.00 X-BESS-Outbound-Spam-Report: Code version 3.2, rules version 3.2.2.259494 [from cloudscan18-37.eu-central-1b.ess.aws.cudaops.com] Rule breakdown below pts rule name description ---- ---------------------- -------------------------------- 0.00 BSF_BESS_OUTBOUND META: BESS Outbound X-BESS-Outbound-Spam-Status: SCORE=0.00 using account:ESS113687 scores of KILL_LEVEL=7.0 tests=BSF_BESS_OUTBOUND X-BESS-BRTS-Status: 1 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Oleksandr Kolomeiets The Slicer for Local Retransmit module can cut of the head a packet before the packet leaves the FPGA RX pipeline. This is used when the TX pipeline is configured to add a new head in the packet. Signed-off-by: Oleksandr Kolomeiets --- drivers/net/ntnic/include/hw_mod_backend.h | 21 ++++++ drivers/net/ntnic/meson.build | 1 + .../nthw/flow_api/hw_mod/hw_mod_backend.c | 4 ++ .../nthw/flow_api/hw_mod/hw_mod_slc_lr.c | 65 +++++++++++++++++++ 4 files changed, 91 insertions(+) create mode 100644 drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_slc_lr.c diff --git a/drivers/net/ntnic/include/hw_mod_backend.h b/drivers/net/ntnic/include/hw_mod_backend.h index 13e0d1731e..b28192e682 100644 --- a/drivers/net/ntnic/include/hw_mod_backend.h +++ b/drivers/net/ntnic/include/hw_mod_backend.h @@ -7,6 +7,7 @@ #define _HW_MOD_BACKEND_H_ #include +#include #include "ntlog.h" @@ -580,6 +581,25 @@ struct slc_lr_func_s { struct hw_mod_slc_lr_v2_s v2; }; }; +enum hw_slc_lr_e { + /* functions */ + HW_SLC_LR_RCP_PRESET_ALL = 0, + HW_SLC_LR_RCP_COMPARE, + HW_SLC_LR_RCP_FIND, + /* fields */ + HW_SLC_LR_RCP_HEAD_SLC_EN = FIELD_START_INDEX, + HW_SLC_LR_RCP_HEAD_DYN, + HW_SLC_LR_RCP_HEAD_OFS, + HW_SLC_LR_RCP_TAIL_SLC_EN, + HW_SLC_LR_RCP_TAIL_DYN, + HW_SLC_LR_RCP_TAIL_OFS, + HW_SLC_LR_RCP_PCAP +}; +bool hw_mod_slc_lr_present(struct flow_api_backend_s *be); +int hw_mod_slc_lr_alloc(struct flow_api_backend_s *be); +void hw_mod_slc_lr_free(struct flow_api_backend_s *be); +int hw_mod_slc_lr_reset(struct flow_api_backend_s *be); +int hw_mod_slc_lr_rcp_flush(struct flow_api_backend_s *be, int start_idx, int count); struct pdb_func_s { COMMON_FUNC_INFO_S; @@ -758,6 +778,7 @@ struct flow_api_backend_s { struct flm_func_s flm; struct hsh_func_s hsh; struct qsl_func_s qsl; + struct slc_lr_func_s slc_lr; /* NIC attributes */ unsigned int num_phy_ports; diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build index 02981ef987..4caee8ac41 100644 --- a/drivers/net/ntnic/meson.build +++ b/drivers/net/ntnic/meson.build @@ -54,6 +54,7 @@ sources = files( 'nthw/flow_api/hw_mod/hw_mod_hsh.c', 'nthw/flow_api/hw_mod/hw_mod_km.c', 'nthw/flow_api/hw_mod/hw_mod_qsl.c', + 'nthw/flow_api/hw_mod/hw_mod_slc_lr.c', 'nthw/flow_filter/flow_nthw_cat.c', 'nthw/flow_filter/flow_nthw_csu.c', 'nthw/flow_filter/flow_nthw_flm.c', diff --git a/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_backend.c b/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_backend.c index 4f16235a67..6b0ea2a4a6 100644 --- a/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_backend.c +++ b/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_backend.c @@ -22,6 +22,10 @@ static const struct { { "FLM", hw_mod_flm_alloc, hw_mod_flm_free, hw_mod_flm_reset, hw_mod_flm_present }, { "HSH", hw_mod_hsh_alloc, hw_mod_hsh_free, hw_mod_hsh_reset, hw_mod_hsh_present }, { "QSL", hw_mod_qsl_alloc, hw_mod_qsl_free, hw_mod_qsl_reset, hw_mod_qsl_present }, + { + "SLC LR", hw_mod_slc_lr_alloc, hw_mod_slc_lr_free, hw_mod_slc_lr_reset, + hw_mod_slc_lr_present + }, }; #define MOD_COUNT (ARRAY_SIZE(module)) diff --git a/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_slc_lr.c b/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_slc_lr.c new file mode 100644 index 0000000000..d95352ec67 --- /dev/null +++ b/drivers/net/ntnic/nthw/flow_api/hw_mod/hw_mod_slc_lr.c @@ -0,0 +1,65 @@ +/* + * SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2023 Napatech A/S + */ + +#include +#include + +#include "hw_mod_backend.h" + +#define _MOD_ "SLC_LR" +#define _VER_ be->slc_lr.ver + +bool hw_mod_slc_lr_present(struct flow_api_backend_s *be) +{ + return be->iface->get_slc_lr_present(be->be_dev); +} + +int hw_mod_slc_lr_alloc(struct flow_api_backend_s *be) +{ + _VER_ = be->iface->get_slc_lr_version(be->be_dev); + NT_LOG(DBG, FILTER, "SLC LR MODULE VERSION %i.%i\n", VER_MAJOR(_VER_), VER_MINOR(_VER_)); + + switch (_VER_) { + case 2: + if (!callocate_mod((struct common_func_s *)&be->slc_lr, 1, &be->slc_lr.v2.rcp, + be->max_categories, sizeof(struct slc_lr_v2_rcp_s))) + return -1; + + break; + + default: + return UNSUP_VER; + } + + return 0; +} + +void hw_mod_slc_lr_free(struct flow_api_backend_s *be) +{ + if (be->slc_lr.base) { + free(be->slc_lr.base); + be->slc_lr.base = NULL; + } +} + +int hw_mod_slc_lr_reset(struct flow_api_backend_s *be) +{ + /* Zero entire cache area */ + zero_module_cache((struct common_func_s *)(&be->slc_lr)); + + NT_LOG(DBG, FILTER, "INIT SLC LR RCP\n"); + return hw_mod_slc_lr_rcp_flush(be, 0, be->max_categories); +} + +int hw_mod_slc_lr_rcp_flush(struct flow_api_backend_s *be, int start_idx, int count) +{ + if (count == ALL_ENTRIES) + count = be->max_categories; + + if ((unsigned int)(start_idx + count) > be->max_categories) + return INDEX_TOO_LARGE; + + return be->iface->slc_lr_rcp_flush(be->be_dev, &be->slc_lr, start_idx, count); +} -- 2.45.0