From: Ting Xu <ting...@intel.com>
Enable Protocol Agnostic Flow Offloading RSS hash for VF.
Signed-off-by: Ting Xu <ting...@intel.com>
---
drivers/net/iavf/iavf_hash.c | 96 ++++++++++++++++++++++++++++++++++++
1 file changed, 96 insertions(+)
diff --git a/drivers/net/iavf/iavf_hash.c b/drivers/net/iavf/iavf_hash.c
index 278e75117d..42df7c4e48 100644
--- a/drivers/net/iavf/iavf_hash.c
+++ b/drivers/net/iavf/iavf_hash.c
@@ -37,6 +37,8 @@
/* L2TPv2 */
#define IAVF_PHINT_L2TPV2 BIT_ULL(9)
#define IAVF_PHINT_L2TPV2_LEN BIT_ULL(10)
+/* Raw */
+#define IAVF_PHINT_RAW BIT_ULL(11)
#define IAVF_PHINT_GTPU_MSK (IAVF_PHINT_GTPU | \
IAVF_PHINT_GTPU_EH | \
@@ -58,6 +60,7 @@ struct iavf_hash_match_type {
struct iavf_rss_meta {
struct virtchnl_proto_hdrs proto_hdrs;
enum virtchnl_rss_algorithm rss_algorithm;
+ bool raw_ena;
};
struct iavf_hash_flow_cfg {
@@ -532,6 +535,7 @@ struct virtchnl_proto_hdrs ipv6_l2tpv2_ppp_tmplt = {
*/
static struct iavf_pattern_match_item iavf_hash_pattern_list[] = {
/* IPv4 */
+ {iavf_pattern_raw, IAVF_INSET_NONE,
NULL},
{iavf_pattern_eth_ipv4,
IAVF_RSS_TYPE_OUTER_IPV4, &outer_ipv4_tmplt},
{iavf_pattern_eth_ipv4_udp,
IAVF_RSS_TYPE_OUTER_IPV4_UDP, &outer_ipv4_udp_tmplt},
{iavf_pattern_eth_ipv4_tcp,
IAVF_RSS_TYPE_OUTER_IPV4_TCP, &outer_ipv4_tcp_tmplt},
@@ -804,6 +808,9 @@ iavf_hash_parse_pattern(const struct rte_flow_item
pattern[], uint64_t *phint,
}
switch (item->type) {
+ case RTE_FLOW_ITEM_TYPE_RAW:
+ *phint |= IAVF_PHINT_RAW;
+ break;
case RTE_FLOW_ITEM_TYPE_IPV4:
if (!(*phint & IAVF_PHINT_GTPU_MSK) &&
!(*phint & IAVF_PHINT_GRE) &&
@@ -873,6 +880,80 @@ iavf_hash_parse_pattern(const struct rte_flow_item
pattern[], uint64_t *phint,
return 0;
}
+static int
+iavf_hash_parse_raw_pattern(const struct rte_flow_item *item,
+ struct iavf_rss_meta *meta)
+{
+ const struct rte_flow_item_raw *raw_spec, *raw_mask;
+ uint8_t *pkt_buf, *msk_buf;
+ uint8_t spec_len, pkt_len;
+ uint8_t tmp_val = 0;
+ uint8_t tmp_c = 0;
+ int i, j;
+
+ raw_spec = item->spec;
+ raw_mask = item->mask;
+
+ spec_len = strlen((char *)(uintptr_t)raw_spec->pattern);
+ if (strlen((char *)(uintptr_t)raw_mask->pattern) !=
+ spec_len)
+ return -rte_errno;
+
+ pkt_len = spec_len / 2;
+
+ pkt_buf = rte_zmalloc(NULL, pkt_len, 0);
+ if (!pkt_buf)
+ return -ENOMEM;
+
+ msk_buf = rte_zmalloc(NULL, pkt_len, 0);
+ if (!msk_buf)
+ return -ENOMEM;
+
+ /* convert string to int array */
+ for (i = 0, j = 0; i < spec_len; i += 2, j++) {
+ tmp_c = raw_spec->pattern[i];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ tmp_val = tmp_c - 'a' + 10;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ tmp_val = tmp_c - 'A' + 10;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ tmp_val = tmp_c - '0';
+
+ tmp_c = raw_spec->pattern[i + 1];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ pkt_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ pkt_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ pkt_buf[j] = tmp_val * 16 + tmp_c - '0';
+
+ tmp_c = raw_mask->pattern[i];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ tmp_val = tmp_c - 0x57;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ tmp_val = tmp_c - 0x37;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ tmp_val = tmp_c - '0';
+
+ tmp_c = raw_mask->pattern[i + 1];
+ if (tmp_c >= 'a' && tmp_c <= 'f')
+ msk_buf[j] = tmp_val * 16 + tmp_c - 'a' + 10;
+ if (tmp_c >= 'A' && tmp_c <= 'F')
+ msk_buf[j] = tmp_val * 16 + tmp_c - 'A' + 10;
+ if (tmp_c >= '0' && tmp_c <= '9')
+ msk_buf[j] = tmp_val * 16 + tmp_c - '0';
+ }
+
+ rte_memcpy(meta->proto_hdrs.raw.spec, pkt_buf, pkt_len);
+ rte_memcpy(meta->proto_hdrs.raw.mask, msk_buf, pkt_len);
+ meta->proto_hdrs.raw.pkt_len = pkt_len;
+
+ rte_free(pkt_buf);
+ rte_free(msk_buf);
+
+ return 0;
+}
+
#define REFINE_PROTO_FLD(op, fld) \
VIRTCHNL_##op##_PROTO_HDR_FIELD(hdr, VIRTCHNL_PROTO_HDR_##fld)
#define REPALCE_PROTO_FLD(fld_1, fld_2) \
@@ -1387,6 +1468,10 @@ iavf_hash_parse_action(struct iavf_pattern_match_item
*match_item,
RTE_FLOW_ERROR_TYPE_ACTION, action,
"a non-NULL RSS queue is not
supported");
+ /* If pattern type is raw, no need to refine rss type */
+ if (pattern_hint == IAVF_PHINT_RAW)
+ break;
+
/**
* Check simultaneous use of SRC_ONLY and DST_ONLY
* of the same level.
@@ -1453,6 +1538,17 @@ iavf_hash_parse_pattern_action(__rte_unused struct
iavf_adapter *ad,
if (ret)
goto error;
+ if (phint == IAVF_PHINT_RAW) {
+ rss_meta_ptr->raw_ena = true;
+ ret = iavf_hash_parse_raw_pattern(pattern, rss_meta_ptr);
+ if (ret) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_ITEM, NULL,
+ "Parse raw pattern failed");
+ goto error;
+ }
+ }
+
ret = iavf_hash_parse_action(pattern_match_item, actions, phint,
rss_meta_ptr, error);
--
2.25.1
