Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Vladimir Oltean | 6168 | 100.00% | 2 | 100.00% |
Total | 6168 | 2 |
// SPDX-License-Identifier: BSD-3-Clause /* Copyright (c) 2016-2018, NXP Semiconductors * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #include "sja1105_static_config.h" #include <linux/crc32.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/errno.h> /* Convenience wrappers over the generic packing functions. These take into * account the SJA1105 memory layout quirks and provide some level of * programmer protection against incorrect API use. The errors are not expected * to occur durring runtime, therefore printing and swallowing them here is * appropriate instead of clutterring up higher-level code. */ void sja1105_pack(void *buf, const u64 *val, int start, int end, size_t len) { int rc = packing(buf, (u64 *)val, start, end, len, PACK, QUIRK_LSW32_IS_FIRST); if (likely(!rc)) return; if (rc == -EINVAL) { pr_err("Start bit (%d) expected to be larger than end (%d)\n", start, end); } else if (rc == -ERANGE) { if ((start - end + 1) > 64) pr_err("Field %d-%d too large for 64 bits!\n", start, end); else pr_err("Cannot store %llx inside bits %d-%d (would truncate)\n", *val, start, end); } dump_stack(); } void sja1105_unpack(const void *buf, u64 *val, int start, int end, size_t len) { int rc = packing((void *)buf, val, start, end, len, UNPACK, QUIRK_LSW32_IS_FIRST); if (likely(!rc)) return; if (rc == -EINVAL) pr_err("Start bit (%d) expected to be larger than end (%d)\n", start, end); else if (rc == -ERANGE) pr_err("Field %d-%d too large for 64 bits!\n", start, end); dump_stack(); } void sja1105_packing(void *buf, u64 *val, int start, int end, size_t len, enum packing_op op) { int rc = packing(buf, val, start, end, len, op, QUIRK_LSW32_IS_FIRST); if (likely(!rc)) return; if (rc == -EINVAL) { pr_err("Start bit (%d) expected to be larger than end (%d)\n", start, end); } else if (rc == -ERANGE) { if ((start - end + 1) > 64) pr_err("Field %d-%d too large for 64 bits!\n", start, end); else pr_err("Cannot store %llx inside bits %d-%d (would truncate)\n", *val, start, end); } dump_stack(); } /* Little-endian Ethernet CRC32 of data packed as big-endian u32 words */ u32 sja1105_crc32(const void *buf, size_t len) { unsigned int i; u64 word; u32 crc; /* seed */ crc = ~0; for (i = 0; i < len; i += 4) { sja1105_unpack((void *)buf + i, &word, 31, 0, 4); crc = crc32_le(crc, (u8 *)&word, 4); } return ~crc; } static size_t sja1105et_general_params_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY; struct sja1105_general_params_entry *entry = entry_ptr; sja1105_packing(buf, &entry->vllupformat, 319, 319, size, op); sja1105_packing(buf, &entry->mirr_ptacu, 318, 318, size, op); sja1105_packing(buf, &entry->switchid, 317, 315, size, op); sja1105_packing(buf, &entry->hostprio, 314, 312, size, op); sja1105_packing(buf, &entry->mac_fltres1, 311, 264, size, op); sja1105_packing(buf, &entry->mac_fltres0, 263, 216, size, op); sja1105_packing(buf, &entry->mac_flt1, 215, 168, size, op); sja1105_packing(buf, &entry->mac_flt0, 167, 120, size, op); sja1105_packing(buf, &entry->incl_srcpt1, 119, 119, size, op); sja1105_packing(buf, &entry->incl_srcpt0, 118, 118, size, op); sja1105_packing(buf, &entry->send_meta1, 117, 117, size, op); sja1105_packing(buf, &entry->send_meta0, 116, 116, size, op); sja1105_packing(buf, &entry->casc_port, 115, 113, size, op); sja1105_packing(buf, &entry->host_port, 112, 110, size, op); sja1105_packing(buf, &entry->mirr_port, 109, 107, size, op); sja1105_packing(buf, &entry->vlmarker, 106, 75, size, op); sja1105_packing(buf, &entry->vlmask, 74, 43, size, op); sja1105_packing(buf, &entry->tpid, 42, 27, size, op); sja1105_packing(buf, &entry->ignore2stf, 26, 26, size, op); sja1105_packing(buf, &entry->tpid2, 25, 10, size, op); return size; } static size_t sja1105pqrs_general_params_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY; struct sja1105_general_params_entry *entry = entry_ptr; sja1105_packing(buf, &entry->vllupformat, 351, 351, size, op); sja1105_packing(buf, &entry->mirr_ptacu, 350, 350, size, op); sja1105_packing(buf, &entry->switchid, 349, 347, size, op); sja1105_packing(buf, &entry->hostprio, 346, 344, size, op); sja1105_packing(buf, &entry->mac_fltres1, 343, 296, size, op); sja1105_packing(buf, &entry->mac_fltres0, 295, 248, size, op); sja1105_packing(buf, &entry->mac_flt1, 247, 200, size, op); sja1105_packing(buf, &entry->mac_flt0, 199, 152, size, op); sja1105_packing(buf, &entry->incl_srcpt1, 151, 151, size, op); sja1105_packing(buf, &entry->incl_srcpt0, 150, 150, size, op); sja1105_packing(buf, &entry->send_meta1, 149, 149, size, op); sja1105_packing(buf, &entry->send_meta0, 148, 148, size, op); sja1105_packing(buf, &entry->casc_port, 147, 145, size, op); sja1105_packing(buf, &entry->host_port, 144, 142, size, op); sja1105_packing(buf, &entry->mirr_port, 141, 139, size, op); sja1105_packing(buf, &entry->vlmarker, 138, 107, size, op); sja1105_packing(buf, &entry->vlmask, 106, 75, size, op); sja1105_packing(buf, &entry->tpid, 74, 59, size, op); sja1105_packing(buf, &entry->ignore2stf, 58, 58, size, op); sja1105_packing(buf, &entry->tpid2, 57, 42, size, op); sja1105_packing(buf, &entry->queue_ts, 41, 41, size, op); sja1105_packing(buf, &entry->egrmirrvid, 40, 29, size, op); sja1105_packing(buf, &entry->egrmirrpcp, 28, 26, size, op); sja1105_packing(buf, &entry->egrmirrdei, 25, 25, size, op); sja1105_packing(buf, &entry->replay_port, 24, 22, size, op); return size; } static size_t sja1105_l2_forwarding_params_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY; struct sja1105_l2_forwarding_params_entry *entry = entry_ptr; int offset, i; sja1105_packing(buf, &entry->max_dynp, 95, 93, size, op); for (i = 0, offset = 13; i < 8; i++, offset += 10) sja1105_packing(buf, &entry->part_spc[i], offset + 9, offset + 0, size, op); return size; } size_t sja1105_l2_forwarding_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105_SIZE_L2_FORWARDING_ENTRY; struct sja1105_l2_forwarding_entry *entry = entry_ptr; int offset, i; sja1105_packing(buf, &entry->bc_domain, 63, 59, size, op); sja1105_packing(buf, &entry->reach_port, 58, 54, size, op); sja1105_packing(buf, &entry->fl_domain, 53, 49, size, op); for (i = 0, offset = 25; i < 8; i++, offset += 3) sja1105_packing(buf, &entry->vlan_pmap[i], offset + 2, offset + 0, size, op); return size; } static size_t sja1105et_l2_lookup_params_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105ET_SIZE_L2_LOOKUP_PARAMS_ENTRY; struct sja1105_l2_lookup_params_entry *entry = entry_ptr; sja1105_packing(buf, &entry->maxage, 31, 17, size, op); sja1105_packing(buf, &entry->dyn_tbsz, 16, 14, size, op); sja1105_packing(buf, &entry->poly, 13, 6, size, op); sja1105_packing(buf, &entry->shared_learn, 5, 5, size, op); sja1105_packing(buf, &entry->no_enf_hostprt, 4, 4, size, op); sja1105_packing(buf, &entry->no_mgmt_learn, 3, 3, size, op); return size; } static size_t sja1105pqrs_l2_lookup_params_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY; struct sja1105_l2_lookup_params_entry *entry = entry_ptr; sja1105_packing(buf, &entry->maxage, 57, 43, size, op); sja1105_packing(buf, &entry->shared_learn, 27, 27, size, op); sja1105_packing(buf, &entry->no_enf_hostprt, 26, 26, size, op); sja1105_packing(buf, &entry->no_mgmt_learn, 25, 25, size, op); return size; } size_t sja1105et_l2_lookup_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105ET_SIZE_L2_LOOKUP_ENTRY; struct sja1105_l2_lookup_entry *entry = entry_ptr; sja1105_packing(buf, &entry->vlanid, 95, 84, size, op); sja1105_packing(buf, &entry->macaddr, 83, 36, size, op); sja1105_packing(buf, &entry->destports, 35, 31, size, op); sja1105_packing(buf, &entry->enfport, 30, 30, size, op); sja1105_packing(buf, &entry->index, 29, 20, size, op); return size; } size_t sja1105pqrs_l2_lookup_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY; struct sja1105_l2_lookup_entry *entry = entry_ptr; /* These are static L2 lookup entries, so the structure * should match UM11040 Table 16/17 definitions when * LOCKEDS is 1. */ sja1105_packing(buf, &entry->vlanid, 81, 70, size, op); sja1105_packing(buf, &entry->macaddr, 69, 22, size, op); sja1105_packing(buf, &entry->destports, 21, 17, size, op); sja1105_packing(buf, &entry->enfport, 16, 16, size, op); sja1105_packing(buf, &entry->index, 15, 6, size, op); return size; } static size_t sja1105_l2_policing_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105_SIZE_L2_POLICING_ENTRY; struct sja1105_l2_policing_entry *entry = entry_ptr; sja1105_packing(buf, &entry->sharindx, 63, 58, size, op); sja1105_packing(buf, &entry->smax, 57, 42, size, op); sja1105_packing(buf, &entry->rate, 41, 26, size, op); sja1105_packing(buf, &entry->maxlen, 25, 15, size, op); sja1105_packing(buf, &entry->partition, 14, 12, size, op); return size; } static size_t sja1105et_mac_config_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105ET_SIZE_MAC_CONFIG_ENTRY; struct sja1105_mac_config_entry *entry = entry_ptr; int offset, i; for (i = 0, offset = 72; i < 8; i++, offset += 19) { sja1105_packing(buf, &entry->enabled[i], offset + 0, offset + 0, size, op); sja1105_packing(buf, &entry->base[i], offset + 9, offset + 1, size, op); sja1105_packing(buf, &entry->top[i], offset + 18, offset + 10, size, op); } sja1105_packing(buf, &entry->ifg, 71, 67, size, op); sja1105_packing(buf, &entry->speed, 66, 65, size, op); sja1105_packing(buf, &entry->tp_delin, 64, 49, size, op); sja1105_packing(buf, &entry->tp_delout, 48, 33, size, op); sja1105_packing(buf, &entry->maxage, 32, 25, size, op); sja1105_packing(buf, &entry->vlanprio, 24, 22, size, op); sja1105_packing(buf, &entry->vlanid, 21, 10, size, op); sja1105_packing(buf, &entry->ing_mirr, 9, 9, size, op); sja1105_packing(buf, &entry->egr_mirr, 8, 8, size, op); sja1105_packing(buf, &entry->drpnona664, 7, 7, size, op); sja1105_packing(buf, &entry->drpdtag, 6, 6, size, op); sja1105_packing(buf, &entry->drpuntag, 5, 5, size, op); sja1105_packing(buf, &entry->retag, 4, 4, size, op); sja1105_packing(buf, &entry->dyn_learn, 3, 3, size, op); sja1105_packing(buf, &entry->egress, 2, 2, size, op); sja1105_packing(buf, &entry->ingress, 1, 1, size, op); return size; } size_t sja1105pqrs_mac_config_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY; struct sja1105_mac_config_entry *entry = entry_ptr; int offset, i; for (i = 0, offset = 104; i < 8; i++, offset += 19) { sja1105_packing(buf, &entry->enabled[i], offset + 0, offset + 0, size, op); sja1105_packing(buf, &entry->base[i], offset + 9, offset + 1, size, op); sja1105_packing(buf, &entry->top[i], offset + 18, offset + 10, size, op); } sja1105_packing(buf, &entry->ifg, 103, 99, size, op); sja1105_packing(buf, &entry->speed, 98, 97, size, op); sja1105_packing(buf, &entry->tp_delin, 96, 81, size, op); sja1105_packing(buf, &entry->tp_delout, 80, 65, size, op); sja1105_packing(buf, &entry->maxage, 64, 57, size, op); sja1105_packing(buf, &entry->vlanprio, 56, 54, size, op); sja1105_packing(buf, &entry->vlanid, 53, 42, size, op); sja1105_packing(buf, &entry->ing_mirr, 41, 41, size, op); sja1105_packing(buf, &entry->egr_mirr, 40, 40, size, op); sja1105_packing(buf, &entry->drpnona664, 39, 39, size, op); sja1105_packing(buf, &entry->drpdtag, 38, 38, size, op); sja1105_packing(buf, &entry->drpuntag, 35, 35, size, op); sja1105_packing(buf, &entry->retag, 34, 34, size, op); sja1105_packing(buf, &entry->dyn_learn, 33, 33, size, op); sja1105_packing(buf, &entry->egress, 32, 32, size, op); sja1105_packing(buf, &entry->ingress, 31, 31, size, op); return size; } size_t sja1105_vlan_lookup_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY; struct sja1105_vlan_lookup_entry *entry = entry_ptr; sja1105_packing(buf, &entry->ving_mirr, 63, 59, size, op); sja1105_packing(buf, &entry->vegr_mirr, 58, 54, size, op); sja1105_packing(buf, &entry->vmemb_port, 53, 49, size, op); sja1105_packing(buf, &entry->vlan_bc, 48, 44, size, op); sja1105_packing(buf, &entry->tag_port, 43, 39, size, op); sja1105_packing(buf, &entry->vlanid, 38, 27, size, op); return size; } static size_t sja1105_xmii_params_entry_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105_SIZE_XMII_PARAMS_ENTRY; struct sja1105_xmii_params_entry *entry = entry_ptr; int offset, i; for (i = 0, offset = 17; i < 5; i++, offset += 3) { sja1105_packing(buf, &entry->xmii_mode[i], offset + 1, offset + 0, size, op); sja1105_packing(buf, &entry->phy_mac[i], offset + 2, offset + 2, size, op); } return size; } size_t sja1105_table_header_packing(void *buf, void *entry_ptr, enum packing_op op) { const size_t size = SJA1105_SIZE_TABLE_HEADER; struct sja1105_table_header *entry = entry_ptr; sja1105_packing(buf, &entry->block_id, 31, 24, size, op); sja1105_packing(buf, &entry->len, 55, 32, size, op); sja1105_packing(buf, &entry->crc, 95, 64, size, op); return size; } /* WARNING: the *hdr pointer is really non-const, because it is * modifying the CRC of the header for a 2-stage packing operation */ void sja1105_table_header_pack_with_crc(void *buf, struct sja1105_table_header *hdr) { /* First pack the table as-is, then calculate the CRC, and * finally put the proper CRC into the packed buffer */ memset(buf, 0, SJA1105_SIZE_TABLE_HEADER); sja1105_table_header_packing(buf, hdr, PACK); hdr->crc = sja1105_crc32(buf, SJA1105_SIZE_TABLE_HEADER - 4); sja1105_pack(buf + SJA1105_SIZE_TABLE_HEADER - 4, &hdr->crc, 31, 0, 4); } static void sja1105_table_write_crc(u8 *table_start, u8 *crc_ptr) { u64 computed_crc; int len_bytes; len_bytes = (uintptr_t)(crc_ptr - table_start); computed_crc = sja1105_crc32(table_start, len_bytes); sja1105_pack(crc_ptr, &computed_crc, 31, 0, 4); } /* The block IDs that the switches support are unfortunately sparse, so keep a * mapping table to "block indices" and translate back and forth so that we * don't waste useless memory in struct sja1105_static_config. * Also, since the block id comes from essentially untrusted input (unpacking * the static config from userspace) it has to be sanitized (range-checked) * before blindly indexing kernel memory with the blk_idx. */ static u64 blk_id_map[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = BLKID_L2_LOOKUP, [BLK_IDX_L2_POLICING] = BLKID_L2_POLICING, [BLK_IDX_VLAN_LOOKUP] = BLKID_VLAN_LOOKUP, [BLK_IDX_L2_FORWARDING] = BLKID_L2_FORWARDING, [BLK_IDX_MAC_CONFIG] = BLKID_MAC_CONFIG, [BLK_IDX_L2_LOOKUP_PARAMS] = BLKID_L2_LOOKUP_PARAMS, [BLK_IDX_L2_FORWARDING_PARAMS] = BLKID_L2_FORWARDING_PARAMS, [BLK_IDX_GENERAL_PARAMS] = BLKID_GENERAL_PARAMS, [BLK_IDX_XMII_PARAMS] = BLKID_XMII_PARAMS, }; const char *sja1105_static_config_error_msg[] = { [SJA1105_CONFIG_OK] = "", [SJA1105_MISSING_L2_POLICING_TABLE] = "l2-policing-table needs to have at least one entry", [SJA1105_MISSING_L2_FORWARDING_TABLE] = "l2-forwarding-table is either missing or incomplete", [SJA1105_MISSING_L2_FORWARDING_PARAMS_TABLE] = "l2-forwarding-parameters-table is missing", [SJA1105_MISSING_GENERAL_PARAMS_TABLE] = "general-parameters-table is missing", [SJA1105_MISSING_VLAN_TABLE] = "vlan-lookup-table needs to have at least the default untagged VLAN", [SJA1105_MISSING_XMII_TABLE] = "xmii-table is missing", [SJA1105_MISSING_MAC_TABLE] = "mac-configuration-table needs to contain an entry for each port", [SJA1105_OVERCOMMITTED_FRAME_MEMORY] = "Not allowed to overcommit frame memory. L2 memory partitions " "and VL memory partitions share the same space. The sum of all " "16 memory partitions is not allowed to be larger than 929 " "128-byte blocks (or 910 with retagging). Please adjust " "l2-forwarding-parameters-table.part_spc and/or " "vl-forwarding-parameters-table.partspc.", }; sja1105_config_valid_t static_config_check_memory_size(const struct sja1105_table *tables) { const struct sja1105_l2_forwarding_params_entry *l2_fwd_params; int i, mem = 0; l2_fwd_params = tables[BLK_IDX_L2_FORWARDING_PARAMS].entries; for (i = 0; i < 8; i++) mem += l2_fwd_params->part_spc[i]; if (mem > SJA1105_MAX_FRAME_MEMORY) return SJA1105_OVERCOMMITTED_FRAME_MEMORY; return SJA1105_CONFIG_OK; } sja1105_config_valid_t sja1105_static_config_check_valid(const struct sja1105_static_config *config) { const struct sja1105_table *tables = config->tables; #define IS_FULL(blk_idx) \ (tables[blk_idx].entry_count == tables[blk_idx].ops->max_entry_count) if (tables[BLK_IDX_L2_POLICING].entry_count == 0) return SJA1105_MISSING_L2_POLICING_TABLE; if (tables[BLK_IDX_VLAN_LOOKUP].entry_count == 0) return SJA1105_MISSING_VLAN_TABLE; if (!IS_FULL(BLK_IDX_L2_FORWARDING)) return SJA1105_MISSING_L2_FORWARDING_TABLE; if (!IS_FULL(BLK_IDX_MAC_CONFIG)) return SJA1105_MISSING_MAC_TABLE; if (!IS_FULL(BLK_IDX_L2_FORWARDING_PARAMS)) return SJA1105_MISSING_L2_FORWARDING_PARAMS_TABLE; if (!IS_FULL(BLK_IDX_GENERAL_PARAMS)) return SJA1105_MISSING_GENERAL_PARAMS_TABLE; if (!IS_FULL(BLK_IDX_XMII_PARAMS)) return SJA1105_MISSING_XMII_TABLE; return static_config_check_memory_size(tables); #undef IS_FULL } void sja1105_static_config_pack(void *buf, struct sja1105_static_config *config) { struct sja1105_table_header header = {0}; enum sja1105_blk_idx i; char *p = buf; int j; sja1105_pack(p, &config->device_id, 31, 0, 4); p += SJA1105_SIZE_DEVICE_ID; for (i = 0; i < BLK_IDX_MAX; i++) { const struct sja1105_table *table; char *table_start; table = &config->tables[i]; if (!table->entry_count) continue; header.block_id = blk_id_map[i]; header.len = table->entry_count * table->ops->packed_entry_size / 4; sja1105_table_header_pack_with_crc(p, &header); p += SJA1105_SIZE_TABLE_HEADER; table_start = p; for (j = 0; j < table->entry_count; j++) { u8 *entry_ptr = table->entries; entry_ptr += j * table->ops->unpacked_entry_size; memset(p, 0, table->ops->packed_entry_size); table->ops->packing(p, entry_ptr, PACK); p += table->ops->packed_entry_size; } sja1105_table_write_crc(table_start, p); p += 4; } /* Final header: * Block ID does not matter * Length of 0 marks that header is final * CRC will be replaced on-the-fly on "config upload" */ header.block_id = 0; header.len = 0; header.crc = 0xDEADBEEF; memset(p, 0, SJA1105_SIZE_TABLE_HEADER); sja1105_table_header_packing(p, &header, PACK); } size_t sja1105_static_config_get_length(const struct sja1105_static_config *config) { unsigned int sum; unsigned int header_count; enum sja1105_blk_idx i; /* Ending header */ header_count = 1; sum = SJA1105_SIZE_DEVICE_ID; /* Tables (headers and entries) */ for (i = 0; i < BLK_IDX_MAX; i++) { const struct sja1105_table *table; table = &config->tables[i]; if (table->entry_count) header_count++; sum += table->ops->packed_entry_size * table->entry_count; } /* Headers have an additional CRC at the end */ sum += header_count * (SJA1105_SIZE_TABLE_HEADER + 4); /* Last header does not have an extra CRC because there is no data */ sum -= 4; return sum; } /* Compatibility matrices */ /* SJA1105E: First generation, no TTEthernet */ struct sja1105_table_ops sja1105e_table_ops[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = { .packing = sja1105et_l2_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry), .packed_entry_size = SJA1105ET_SIZE_L2_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, }, [BLK_IDX_L2_POLICING] = { .packing = sja1105_l2_policing_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry), .packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY, .max_entry_count = SJA1105_MAX_L2_POLICING_COUNT, }, [BLK_IDX_VLAN_LOOKUP] = { .packing = sja1105_vlan_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry), .packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT, }, [BLK_IDX_L2_FORWARDING] = { .packing = sja1105_l2_forwarding_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT, }, [BLK_IDX_MAC_CONFIG] = { .packing = sja1105et_mac_config_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_mac_config_entry), .packed_entry_size = SJA1105ET_SIZE_MAC_CONFIG_ENTRY, .max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT, }, [BLK_IDX_L2_LOOKUP_PARAMS] = { .packing = sja1105et_l2_lookup_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry), .packed_entry_size = SJA1105ET_SIZE_L2_LOOKUP_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT, }, [BLK_IDX_L2_FORWARDING_PARAMS] = { .packing = sja1105_l2_forwarding_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT, }, [BLK_IDX_GENERAL_PARAMS] = { .packing = sja1105et_general_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_general_params_entry), .packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT, }, [BLK_IDX_XMII_PARAMS] = { .packing = sja1105_xmii_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry), .packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT, }, }; /* SJA1105T: First generation, TTEthernet */ struct sja1105_table_ops sja1105t_table_ops[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = { .packing = sja1105et_l2_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry), .packed_entry_size = SJA1105ET_SIZE_L2_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, }, [BLK_IDX_L2_POLICING] = { .packing = sja1105_l2_policing_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry), .packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY, .max_entry_count = SJA1105_MAX_L2_POLICING_COUNT, }, [BLK_IDX_VLAN_LOOKUP] = { .packing = sja1105_vlan_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry), .packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT, }, [BLK_IDX_L2_FORWARDING] = { .packing = sja1105_l2_forwarding_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT, }, [BLK_IDX_MAC_CONFIG] = { .packing = sja1105et_mac_config_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_mac_config_entry), .packed_entry_size = SJA1105ET_SIZE_MAC_CONFIG_ENTRY, .max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT, }, [BLK_IDX_L2_LOOKUP_PARAMS] = { .packing = sja1105et_l2_lookup_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry), .packed_entry_size = SJA1105ET_SIZE_L2_LOOKUP_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT, }, [BLK_IDX_L2_FORWARDING_PARAMS] = { .packing = sja1105_l2_forwarding_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT, }, [BLK_IDX_GENERAL_PARAMS] = { .packing = sja1105et_general_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_general_params_entry), .packed_entry_size = SJA1105ET_SIZE_GENERAL_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT, }, [BLK_IDX_XMII_PARAMS] = { .packing = sja1105_xmii_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry), .packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT, }, }; /* SJA1105P: Second generation, no TTEthernet, no SGMII */ struct sja1105_table_ops sja1105p_table_ops[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = { .packing = sja1105pqrs_l2_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, }, [BLK_IDX_L2_POLICING] = { .packing = sja1105_l2_policing_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry), .packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY, .max_entry_count = SJA1105_MAX_L2_POLICING_COUNT, }, [BLK_IDX_VLAN_LOOKUP] = { .packing = sja1105_vlan_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry), .packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT, }, [BLK_IDX_L2_FORWARDING] = { .packing = sja1105_l2_forwarding_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT, }, [BLK_IDX_MAC_CONFIG] = { .packing = sja1105pqrs_mac_config_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_mac_config_entry), .packed_entry_size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY, .max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT, }, [BLK_IDX_L2_LOOKUP_PARAMS] = { .packing = sja1105pqrs_l2_lookup_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT, }, [BLK_IDX_L2_FORWARDING_PARAMS] = { .packing = sja1105_l2_forwarding_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT, }, [BLK_IDX_GENERAL_PARAMS] = { .packing = sja1105pqrs_general_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_general_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT, }, [BLK_IDX_XMII_PARAMS] = { .packing = sja1105_xmii_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry), .packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT, }, }; /* SJA1105Q: Second generation, TTEthernet, no SGMII */ struct sja1105_table_ops sja1105q_table_ops[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = { .packing = sja1105pqrs_l2_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, }, [BLK_IDX_L2_POLICING] = { .packing = sja1105_l2_policing_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry), .packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY, .max_entry_count = SJA1105_MAX_L2_POLICING_COUNT, }, [BLK_IDX_VLAN_LOOKUP] = { .packing = sja1105_vlan_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry), .packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT, }, [BLK_IDX_L2_FORWARDING] = { .packing = sja1105_l2_forwarding_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT, }, [BLK_IDX_MAC_CONFIG] = { .packing = sja1105pqrs_mac_config_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_mac_config_entry), .packed_entry_size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY, .max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT, }, [BLK_IDX_L2_LOOKUP_PARAMS] = { .packing = sja1105pqrs_l2_lookup_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT, }, [BLK_IDX_L2_FORWARDING_PARAMS] = { .packing = sja1105_l2_forwarding_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT, }, [BLK_IDX_GENERAL_PARAMS] = { .packing = sja1105pqrs_general_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_general_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT, }, [BLK_IDX_XMII_PARAMS] = { .packing = sja1105_xmii_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry), .packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT, }, }; /* SJA1105R: Second generation, no TTEthernet, SGMII */ struct sja1105_table_ops sja1105r_table_ops[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = { .packing = sja1105pqrs_l2_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, }, [BLK_IDX_L2_POLICING] = { .packing = sja1105_l2_policing_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry), .packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY, .max_entry_count = SJA1105_MAX_L2_POLICING_COUNT, }, [BLK_IDX_VLAN_LOOKUP] = { .packing = sja1105_vlan_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry), .packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT, }, [BLK_IDX_L2_FORWARDING] = { .packing = sja1105_l2_forwarding_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT, }, [BLK_IDX_MAC_CONFIG] = { .packing = sja1105pqrs_mac_config_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_mac_config_entry), .packed_entry_size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY, .max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT, }, [BLK_IDX_L2_LOOKUP_PARAMS] = { .packing = sja1105pqrs_l2_lookup_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT, }, [BLK_IDX_L2_FORWARDING_PARAMS] = { .packing = sja1105_l2_forwarding_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT, }, [BLK_IDX_GENERAL_PARAMS] = { .packing = sja1105pqrs_general_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_general_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT, }, [BLK_IDX_XMII_PARAMS] = { .packing = sja1105_xmii_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry), .packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT, }, }; /* SJA1105S: Second generation, TTEthernet, SGMII */ struct sja1105_table_ops sja1105s_table_ops[BLK_IDX_MAX] = { [BLK_IDX_L2_LOOKUP] = { .packing = sja1105pqrs_l2_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_COUNT, }, [BLK_IDX_L2_POLICING] = { .packing = sja1105_l2_policing_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_policing_entry), .packed_entry_size = SJA1105_SIZE_L2_POLICING_ENTRY, .max_entry_count = SJA1105_MAX_L2_POLICING_COUNT, }, [BLK_IDX_VLAN_LOOKUP] = { .packing = sja1105_vlan_lookup_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_vlan_lookup_entry), .packed_entry_size = SJA1105_SIZE_VLAN_LOOKUP_ENTRY, .max_entry_count = SJA1105_MAX_VLAN_LOOKUP_COUNT, }, [BLK_IDX_L2_FORWARDING] = { .packing = sja1105_l2_forwarding_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_COUNT, }, [BLK_IDX_MAC_CONFIG] = { .packing = sja1105pqrs_mac_config_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_mac_config_entry), .packed_entry_size = SJA1105PQRS_SIZE_MAC_CONFIG_ENTRY, .max_entry_count = SJA1105_MAX_MAC_CONFIG_COUNT, }, [BLK_IDX_L2_LOOKUP_PARAMS] = { .packing = sja1105pqrs_l2_lookup_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_lookup_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_L2_LOOKUP_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_LOOKUP_PARAMS_COUNT, }, [BLK_IDX_L2_FORWARDING_PARAMS] = { .packing = sja1105_l2_forwarding_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_l2_forwarding_params_entry), .packed_entry_size = SJA1105_SIZE_L2_FORWARDING_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_L2_FORWARDING_PARAMS_COUNT, }, [BLK_IDX_GENERAL_PARAMS] = { .packing = sja1105pqrs_general_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_general_params_entry), .packed_entry_size = SJA1105PQRS_SIZE_GENERAL_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_GENERAL_PARAMS_COUNT, }, [BLK_IDX_XMII_PARAMS] = { .packing = sja1105_xmii_params_entry_packing, .unpacked_entry_size = sizeof(struct sja1105_xmii_params_entry), .packed_entry_size = SJA1105_SIZE_XMII_PARAMS_ENTRY, .max_entry_count = SJA1105_MAX_XMII_PARAMS_COUNT, }, }; int sja1105_static_config_init(struct sja1105_static_config *config, const struct sja1105_table_ops *static_ops, u64 device_id) { enum sja1105_blk_idx i; *config = (struct sja1105_static_config) {0}; /* Transfer static_ops array from priv into per-table ops * for handier access */ for (i = 0; i < BLK_IDX_MAX; i++) config->tables[i].ops = &static_ops[i]; config->device_id = device_id; return 0; } void sja1105_static_config_free(struct sja1105_static_config *config) { enum sja1105_blk_idx i; for (i = 0; i < BLK_IDX_MAX; i++) { if (config->tables[i].entry_count) { kfree(config->tables[i].entries); config->tables[i].entry_count = 0; } } } int sja1105_table_delete_entry(struct sja1105_table *table, int i) { size_t entry_size = table->ops->unpacked_entry_size; u8 *entries = table->entries; if (i > table->entry_count) return -ERANGE; memmove(entries + i * entry_size, entries + (i + 1) * entry_size, (table->entry_count - i) * entry_size); table->entry_count--; return 0; } /* No pointers to table->entries should be kept when this is called. */ int sja1105_table_resize(struct sja1105_table *table, size_t new_count) { size_t entry_size = table->ops->unpacked_entry_size; void *new_entries, *old_entries = table->entries; if (new_count > table->ops->max_entry_count) return -ERANGE; new_entries = kcalloc(new_count, entry_size, GFP_KERNEL); if (!new_entries) return -ENOMEM; memcpy(new_entries, old_entries, min(new_count, table->entry_count) * entry_size); table->entries = new_entries; table->entry_count = new_count; kfree(old_entries); return 0; }
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1