* [dpdk-dev] [PATCH v3] net/iavf: reject floating RSS attribute
@ 2020-09-15 11:21 Qi Zhang
0 siblings, 0 replies; only message in thread
From: Qi Zhang @ 2020-09-15 11:21 UTC (permalink / raw)
To: beilei.xing; +Cc: dev, junfeng.guo, jia.guo, Qi Zhang
For RSS attribute don't have an associated RSS type, we need
to reject it.
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
v3:
- add missing floating l2 rss attribute check
v2:
- fix checkpatch warning.
drivers/net/iavf/iavf_hash.c | 75 +++++++++++++++++++++++++-----------
1 file changed, 53 insertions(+), 22 deletions(-)
diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index 61466c072..b95f393d0 100644
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -766,6 +766,52 @@ static uint64_t invalid_rss_comb[] = {
RTE_ETH_RSS_L3_PRE96
};
+struct rss_attr_type {
+ uint64_t attr;
+ uint64_t type;
+};
+
+#define VALID_RSS_IPV4 (ETH_RSS_IPV4 | \
+ ETH_RSS_NONFRAG_IPV4_UDP | \
+ ETH_RSS_NONFRAG_IPV4_TCP | \
+ ETH_RSS_NONFRAG_IPV4_SCTP)
+
+#define VALID_RSS_IPV6 (ETH_RSS_IPV6 | \
+ ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_NONFRAG_IPV6_SCTP)
+
+#define VALID_RSS_IPV4_L4 (ETH_RSS_NONFRAG_IPV4_UDP | \
+ ETH_RSS_NONFRAG_IPV4_TCP | \
+ ETH_RSS_NONFRAG_IPV4_SCTP)
+
+#define VALID_RSS_IPV6_L4 (ETH_RSS_NONFRAG_IPV6_UDP | \
+ ETH_RSS_NONFRAG_IPV6_TCP | \
+ ETH_RSS_NONFRAG_IPV6_SCTP)
+
+#define VALID_RSS_ATTR (ETH_RSS_L3_SRC_ONLY | \
+ ETH_RSS_L3_DST_ONLY | \
+ ETH_RSS_L4_SRC_ONLY | \
+ ETH_RSS_L4_DST_ONLY | \
+ ETH_RSS_L2_SRC_ONLY | \
+ ETH_RSS_L2_DST_ONLY | \
+ RTE_ETH_RSS_L3_PRE64)
+
+#define INVALID_RSS_ATTR (RTE_ETH_RSS_L3_PRE32 | \
+ RTE_ETH_RSS_L3_PRE40 | \
+ RTE_ETH_RSS_L3_PRE48 | \
+ RTE_ETH_RSS_L3_PRE56 | \
+ RTE_ETH_RSS_L3_PRE96)
+
+static struct rss_attr_type rss_attr_to_valid_type[] = {
+ {ETH_RSS_L2_SRC_ONLY | ETH_RSS_L2_DST_ONLY, ETH_RSS_ETH},
+ {ETH_RSS_L3_SRC_ONLY | ETH_RSS_L3_DST_ONLY, VALID_RSS_IPV4 | VALID_RSS_IPV6},
+ {ETH_RSS_L4_SRC_ONLY | ETH_RSS_L4_DST_ONLY, VALID_RSS_IPV4_L4 | VALID_RSS_IPV6_L4},
+ /* current ipv6 prefix only supports prefix 64 bits*/
+ {RTE_ETH_RSS_L3_PRE64, VALID_RSS_IPV6},
+ {INVALID_RSS_ATTR, 0}
+};
+
static bool
iavf_any_invalid_rss_type(uint64_t rss_type, uint64_t allow_rss_type)
{
@@ -777,31 +823,16 @@ iavf_any_invalid_rss_type(uint64_t rss_type, uint64_t allow_rss_type)
return true;
}
- /* current ipv6 prefix only supports prefix 64 bits*/
-#define _invalid_prefix_ (RTE_ETH_RSS_L3_PRE32 | \
- RTE_ETH_RSS_L3_PRE40 | \
- RTE_ETH_RSS_L3_PRE48 | \
- RTE_ETH_RSS_L3_PRE56 | \
- RTE_ETH_RSS_L3_PRE96)
+ /* check invalid RSS attribute */
+ for (i = 0; i < RTE_DIM(rss_attr_to_valid_type); i++) {
+ struct rss_attr_type *rat = &rss_attr_to_valid_type[i];
- if (rss_type & _invalid_prefix_)
- return true;
+ if (rat->attr & rss_type && !(rat->type & rss_type))
+ return true;
+ }
/* check not allowed RSS type */
-#define _RSS_ATTR_ (ETH_RSS_L3_SRC_ONLY | \
- ETH_RSS_L3_DST_ONLY | \
- ETH_RSS_L4_SRC_ONLY | \
- ETH_RSS_L4_DST_ONLY | \
- ETH_RSS_L2_SRC_ONLY | \
- ETH_RSS_L2_DST_ONLY | \
- RTE_ETH_RSS_L3_PRE32 | \
- RTE_ETH_RSS_L3_PRE40 | \
- RTE_ETH_RSS_L3_PRE48 | \
- RTE_ETH_RSS_L3_PRE56 | \
- RTE_ETH_RSS_L3_PRE64 | \
- RTE_ETH_RSS_L3_PRE96)
-
- rss_type &= ~_RSS_ATTR_;
+ rss_type &= ~VALID_RSS_ATTR;
return ((rss_type & allow_rss_type) != rss_type);
}
--
2.25.4
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