diff options
| -rw-r--r-- | drivers/net/ipa/ipa_cmd.c | 17 | ||||
| -rw-r--r-- | drivers/net/ipa/ipa_table.c | 14 | ||||
| -rw-r--r-- | drivers/net/ipa/ipa_table.h | 3 |
3 files changed, 13 insertions, 21 deletions
diff --git a/drivers/net/ipa/ipa_cmd.c b/drivers/net/ipa/ipa_cmd.c index de2cd86aa9e2..08e3f395a945 100644 --- a/drivers/net/ipa/ipa_cmd.c +++ b/drivers/net/ipa/ipa_cmd.c @@ -145,18 +145,15 @@ union ipa_cmd_payload { static void ipa_cmd_validate_build(void) { - /* The sizes of a filter and route tables need to fit into fields - * in the ipa_cmd_hw_ip_fltrt_init structure. Although hashed tables + /* The size of a filter table needs to fit into fields in the + * ipa_cmd_hw_ip_fltrt_init structure. Although hashed tables * might not be used, non-hashed and hashed tables have the same * maximum size. IPv4 and IPv6 filter tables have the same number - * of entries, as and IPv4 and IPv6 route tables have the same number * of entries. */ -#define TABLE_SIZE (TABLE_COUNT_MAX * sizeof(__le64)) -#define TABLE_COUNT_MAX max_t(u32, IPA_ROUTE_COUNT_MAX, IPA_FILTER_COUNT_MAX) +#define TABLE_SIZE (IPA_FILTER_COUNT_MAX * sizeof(__le64)) BUILD_BUG_ON(TABLE_SIZE > field_max(IP_FLTRT_FLAGS_HASH_SIZE_FMASK)); BUILD_BUG_ON(TABLE_SIZE > field_max(IP_FLTRT_FLAGS_NHASH_SIZE_FMASK)); -#undef TABLE_COUNT_MAX #undef TABLE_SIZE /* Hashed and non-hashed fields are assumed to be the same size */ @@ -178,12 +175,14 @@ bool ipa_cmd_table_init_valid(struct ipa *ipa, const struct ipa_mem *mem, u32 size_max = field_max(IP_FLTRT_FLAGS_NHASH_SIZE_FMASK); const char *table = route ? "route" : "filter"; struct device *dev = &ipa->pdev->dev; + u32 size; + + size = route ? ipa->route_count * sizeof(__le64) : mem->size; /* Size must fit in the immediate command field that holds it */ - if (mem->size > size_max) { + if (size > size_max) { dev_err(dev, "%s table region size too large\n", table); - dev_err(dev, " (0x%04x > 0x%04x)\n", - mem->size, size_max); + dev_err(dev, " (0x%04x > 0x%04x)\n", size, size_max); return false; } diff --git a/drivers/net/ipa/ipa_table.c b/drivers/net/ipa/ipa_table.c index 0815c8967e91..23d3f081ac8e 100644 --- a/drivers/net/ipa/ipa_table.c +++ b/drivers/net/ipa/ipa_table.c @@ -130,12 +130,8 @@ static void ipa_table_validate_build(void) */ BUILD_BUG_ON(IPA_ZERO_RULE_SIZE != sizeof(__le64)); - /* Impose a practical limit on the number of routes */ - BUILD_BUG_ON(IPA_ROUTE_COUNT_MAX > 32); /* The modem must be allotted at least one route table entry */ BUILD_BUG_ON(!IPA_ROUTE_MODEM_COUNT); - /* AP must too, but we can't use more than what is available */ - BUILD_BUG_ON(IPA_ROUTE_MODEM_COUNT >= IPA_ROUTE_COUNT_MAX); } static const struct ipa_mem * @@ -593,18 +589,18 @@ bool ipa_table_mem_valid(struct ipa *ipa, bool modem_route_count) if (mem_ipv4->size != mem_ipv6->size) return false; - /* Record the number of routing table entries */ + /* Compute the number of entries, and for routing tables, record it */ + count = mem_ipv4->size / sizeof(__le64); + if (count < 2) + return false; if (!filter) - ipa->route_count = IPA_ROUTE_COUNT_MAX; + ipa->route_count = count; /* Table offset and size must fit in TABLE_INIT command fields */ if (!ipa_cmd_table_init_valid(ipa, mem_ipv4, !filter)) return false; /* Make sure the regions are big enough */ - count = mem_ipv4->size / sizeof(__le64); - if (count < 2) - return false; if (filter) { /* Filter tables must able to hold the endpoint bitmap plus * an entry for each endpoint that supports filtering diff --git a/drivers/net/ipa/ipa_table.h b/drivers/net/ipa/ipa_table.h index 65d96debd391..31363292dc1d 100644 --- a/drivers/net/ipa/ipa_table.h +++ b/drivers/net/ipa/ipa_table.h @@ -16,9 +16,6 @@ struct ipa; /* The number of route table entries allotted to the modem */ #define IPA_ROUTE_MODEM_COUNT 8 -/* The maximum number of route table entries (IPv4, IPv6; hashed or not) */ -#define IPA_ROUTE_COUNT_MAX 15 - /** * ipa_filter_map_valid() - Validate a filter table endpoint bitmap * @ipa: IPA pointer |