For tunnel packets, pattern RAW is also supported to match in FDIR
rules. Fix to process this field.

Fixes: a1851465f825 ("net/txgbe: fix to create FDIR filter for tunnel packet")
Cc: [email protected]
Signed-off-by: Jiawen Wu <[email protected]>
---
 drivers/net/txgbe/txgbe_flow.c | 125 ++++++++++++++++++++++++++++++++-
 1 file changed, 123 insertions(+), 2 deletions(-)

diff --git a/drivers/net/txgbe/txgbe_flow.c b/drivers/net/txgbe/txgbe_flow.c
index 5b03a35949..095c84823f 100644
--- a/drivers/net/txgbe/txgbe_flow.c
+++ b/drivers/net/txgbe/txgbe_flow.c
@@ -2222,6 +2222,8 @@ txgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr 
*attr,
        const struct rte_flow_item_udp *udp_mask;
        const struct rte_flow_item_sctp *sctp_spec;
        const struct rte_flow_item_sctp *sctp_mask;
+       const struct rte_flow_item_raw *raw_mask;
+       const struct rte_flow_item_raw *raw_spec;
        u8 ptid = 0;
        uint32_t j;
 
@@ -2548,7 +2550,8 @@ txgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr 
*attr,
                if (item->type != RTE_FLOW_ITEM_TYPE_TCP &&
                    item->type != RTE_FLOW_ITEM_TYPE_UDP &&
                    item->type != RTE_FLOW_ITEM_TYPE_SCTP &&
-                   item->type != RTE_FLOW_ITEM_TYPE_END) {
+                   item->type != RTE_FLOW_ITEM_TYPE_END &&
+                   item->type != RTE_FLOW_ITEM_TYPE_RAW) {
                        memset(rule, 0, sizeof(struct txgbe_fdir_rule));
                        rte_flow_error_set(error, EINVAL,
                                           RTE_FLOW_ERROR_TYPE_ITEM,
@@ -2637,7 +2640,8 @@ txgbe_parse_fdir_filter_tunnel(const struct rte_flow_attr 
*attr,
                if (item->type != RTE_FLOW_ITEM_TYPE_TCP &&
                    item->type != RTE_FLOW_ITEM_TYPE_UDP &&
                    item->type != RTE_FLOW_ITEM_TYPE_SCTP &&
-                   item->type != RTE_FLOW_ITEM_TYPE_END) {
+                   item->type != RTE_FLOW_ITEM_TYPE_END &&
+                   item->type != RTE_FLOW_ITEM_TYPE_RAW) {
                        memset(rule, 0, sizeof(struct txgbe_fdir_rule));
                        rte_flow_error_set(error, EINVAL,
                                           RTE_FLOW_ERROR_TYPE_ITEM,
@@ -2699,6 +2703,16 @@ txgbe_parse_fdir_filter_tunnel(const struct 
rte_flow_attr *attr,
                        rule->input.dst_port =
                                tcp_spec->hdr.dst_port;
                }
+
+               item = next_no_fuzzy_pattern(pattern, item);
+               if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+                   item->type != RTE_FLOW_ITEM_TYPE_END) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
        }
 
        /* Get the UDP info */
@@ -2748,6 +2762,16 @@ txgbe_parse_fdir_filter_tunnel(const struct 
rte_flow_attr *attr,
                        rule->input.dst_port =
                                udp_spec->hdr.dst_port;
                }
+
+               item = next_no_fuzzy_pattern(pattern, item);
+               if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+                   item->type != RTE_FLOW_ITEM_TYPE_END) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
        }
 
        /* Get the SCTP info */
@@ -2798,6 +2822,103 @@ txgbe_parse_fdir_filter_tunnel(const struct 
rte_flow_attr *attr,
                        rule->input.dst_port =
                                sctp_spec->hdr.dst_port;
                }
+
+               item = next_no_fuzzy_pattern(pattern, item);
+               if (item->type != RTE_FLOW_ITEM_TYPE_RAW &&
+                   item->type != RTE_FLOW_ITEM_TYPE_END) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
+       }
+
+       /* Get the flex byte info */
+       if (item->type == RTE_FLOW_ITEM_TYPE_RAW) {
+               uint16_t pattern = 0;
+
+               /* Not supported last point for range*/
+               if (item->last) {
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                                          item, "Not supported last point for 
range");
+                       return -rte_errno;
+               }
+               /* mask should not be null */
+               if (!item->mask || !item->spec) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
+
+               rule->b_mask = TRUE;
+               raw_mask = item->mask;
+
+               /* check mask */
+               if (raw_mask->relative != 0x1 ||
+                   raw_mask->search != 0x1 ||
+                   raw_mask->reserved != 0x0 ||
+                   (uint32_t)raw_mask->offset != 0xffffffff ||
+                   raw_mask->limit != 0xffff ||
+                   raw_mask->length != 0xffff) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
+
+               rule->b_spec = TRUE;
+               raw_spec = item->spec;
+
+               /* check spec */
+               if (raw_spec->search != 0 ||
+                   raw_spec->reserved != 0 ||
+                   raw_spec->offset > TXGBE_MAX_FLX_SOURCE_OFF ||
+                   raw_spec->offset % 2 ||
+                   raw_spec->limit != 0 ||
+                   raw_spec->length != 4 ||
+                   /* pattern can't be 0xffff */
+                   (raw_spec->pattern[0] == 0xff &&
+                    raw_spec->pattern[1] == 0xff &&
+                    raw_spec->pattern[2] == 0xff &&
+                    raw_spec->pattern[3] == 0xff)) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
+
+               /* check pattern mask */
+               if (raw_mask->pattern[0] != 0xff ||
+                   raw_mask->pattern[1] != 0xff ||
+                   raw_mask->pattern[2] != 0xff ||
+                   raw_mask->pattern[3] != 0xff) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                                          RTE_FLOW_ERROR_TYPE_ITEM,
+                                          item, "Not supported by fdir 
filter");
+                       return -rte_errno;
+               }
+
+               rule->mask.flex_bytes_mask = 0xffff;
+               /* Convert pattern string to hex bytes */
+               if (sscanf((const char *)raw_spec->pattern, "%hx", &pattern) != 
1) {
+                       memset(rule, 0, sizeof(struct txgbe_fdir_rule));
+                       rte_flow_error_set(error, EINVAL,
+                               RTE_FLOW_ERROR_TYPE_ITEM,
+                               item, "Failed to parse raw pattern");
+                       return -rte_errno;
+               }
+               rule->input.flex_bytes = (pattern & 0x00FF) << 8;
+               rule->input.flex_bytes |= (pattern & 0xFF00) >> 8;
+
+               rule->flex_bytes_offset = raw_spec->offset;
+               rule->flex_relative = raw_spec->relative;
        }
 
        if (item->type != RTE_FLOW_ITEM_TYPE_END) {
-- 
2.48.1

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