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-rw-r--r--drivers/net/ipa/ipa_mem.c42
-rw-r--r--drivers/net/ipa/ipa_mem.h21
2 files changed, 53 insertions, 10 deletions
diff --git a/drivers/net/ipa/ipa_mem.c b/drivers/net/ipa/ipa_mem.c
index cb70f063320c..29c626c46abf 100644
--- a/drivers/net/ipa/ipa_mem.c
+++ b/drivers/net/ipa/ipa_mem.c
@@ -99,6 +99,36 @@ int ipa_mem_setup(struct ipa *ipa)
return 0;
}
+/* Must the given memory region be present in the configuration? */
+static bool ipa_mem_id_required(struct ipa *ipa, enum ipa_mem_id mem_id)
+{
+ switch (mem_id) {
+ case IPA_MEM_UC_SHARED:
+ case IPA_MEM_UC_INFO:
+ case IPA_MEM_V4_FILTER_HASHED:
+ case IPA_MEM_V4_FILTER:
+ case IPA_MEM_V6_FILTER_HASHED:
+ case IPA_MEM_V6_FILTER:
+ case IPA_MEM_V4_ROUTE_HASHED:
+ case IPA_MEM_V4_ROUTE:
+ case IPA_MEM_V6_ROUTE_HASHED:
+ case IPA_MEM_V6_ROUTE:
+ case IPA_MEM_MODEM_HEADER:
+ case IPA_MEM_MODEM_PROC_CTX:
+ case IPA_MEM_AP_PROC_CTX:
+ case IPA_MEM_MODEM:
+ return true;
+
+ case IPA_MEM_PDN_CONFIG:
+ case IPA_MEM_STATS_QUOTA_MODEM:
+ case IPA_MEM_STATS_TETHERING:
+ return ipa->version >= IPA_VERSION_4_0;
+
+ default:
+ return false; /* Anything else is optional */
+ }
+}
+
static bool ipa_mem_valid_one(struct ipa *ipa, const struct ipa_mem *mem)
{
struct device *dev = &ipa->pdev->dev;
@@ -149,8 +179,20 @@ static bool ipa_mem_valid(struct ipa *ipa, const struct ipa_mem_data *mem_data)
if (mem->offset)
dev_warn(dev, "empty region %u has non-zero offset\n",
mem_id);
+
+ if (ipa_mem_id_required(ipa, mem_id)) {
+ dev_err(dev, "required memory region %u missing\n",
+ mem_id);
+ return false;
+ }
}
+ /* Now see if any required regions are not defined */
+ while (mem_id < IPA_MEM_COUNT)
+ if (ipa_mem_id_required(ipa, mem_id++))
+ dev_err(dev, "required memory region %u missing\n",
+ mem_id);
+
return true;
}
diff --git a/drivers/net/ipa/ipa_mem.h b/drivers/net/ipa/ipa_mem.h
index ce692f948d59..effe01f7310a 100644
--- a/drivers/net/ipa/ipa_mem.h
+++ b/drivers/net/ipa/ipa_mem.h
@@ -55,22 +55,23 @@ enum ipa_mem_id {
IPA_MEM_V6_ROUTE_HASHED, /* 2 canaries */
IPA_MEM_V6_ROUTE, /* 2 canaries */
IPA_MEM_MODEM_HEADER, /* 2 canaries */
- IPA_MEM_AP_HEADER, /* 0 canaries */
+ IPA_MEM_AP_HEADER, /* 0 canaries, optional */
IPA_MEM_MODEM_PROC_CTX, /* 2 canaries */
IPA_MEM_AP_PROC_CTX, /* 0 canaries */
- IPA_MEM_NAT_TABLE, /* 4 canaries (IPA v4.5 and above) */
- IPA_MEM_PDN_CONFIG, /* 0/2 canaries (IPA v4.0 and above) */
- IPA_MEM_STATS_QUOTA_MODEM, /* 2/4 canaries (IPA v4.0 and above) */
- IPA_MEM_STATS_QUOTA_AP, /* 0 canaries (IPA v4.0 and above) */
- IPA_MEM_STATS_TETHERING, /* 0 canaries (IPA v4.0 and above) */
+ IPA_MEM_MODEM, /* 0/2 canaries */
+ IPA_MEM_UC_EVENT_RING, /* 1 canary, optional */
+ IPA_MEM_PDN_CONFIG, /* 0/2 canaries (IPA v4.0+) */
+ IPA_MEM_STATS_QUOTA_MODEM, /* 2/4 canaries (IPA v4.0+) */
+ IPA_MEM_STATS_QUOTA_AP, /* 0 canaries, optional (IPA v4.0+) */
+ IPA_MEM_STATS_TETHERING, /* 0 canaries (IPA v4.0+) */
+ IPA_MEM_STATS_DROP, /* 0 canaries, optional (IPA v4.0+) */
+ /* The next 5 filter and route statistics regions are optional */
IPA_MEM_STATS_V4_FILTER, /* 0 canaries (IPA v4.0-v4.2) */
IPA_MEM_STATS_V6_FILTER, /* 0 canaries (IPA v4.0-v4.2) */
IPA_MEM_STATS_V4_ROUTE, /* 0 canaries (IPA v4.0-v4.2) */
IPA_MEM_STATS_V6_ROUTE, /* 0 canaries (IPA v4.0-v4.2) */
- IPA_MEM_STATS_FILTER_ROUTE, /* 0 canaries (IPA v4.5 and above) */
- IPA_MEM_STATS_DROP, /* 0 canaries (IPA v4.0 and above) */
- IPA_MEM_MODEM, /* 0/2 canaries */
- IPA_MEM_UC_EVENT_RING, /* 1 canary */
+ IPA_MEM_STATS_FILTER_ROUTE, /* 0 canaries (IPA v4.5+) */
+ IPA_MEM_NAT_TABLE, /* 4 canaries, optional (IPA v4.5+) */
IPA_MEM_END_MARKER, /* 1 canary (not a real region) */
IPA_MEM_COUNT, /* Number of regions (not an index) */
};