Address Key_mask issue (#79)

* Address Key_mask issue

When table match key fields are of different match types
like EXACT match and LPM match, key mask calculated only
for LPM key, which leads to key match failure.

To mitigate the issue calculating key mask for both EXACT and
LPM key types.

Signed-off-by: Anand Sunkad <[email protected]>

* Update pipe_mgr_dpdk_ctx_util.c

Signed-off-by: Anand Sunkad <[email protected]>
Co-authored-by: Vishnu Swaroop Kumar Sarma, Duddu <[email protected]>

src/pipe_mgr/shared/dal/dpdk/pipe_mgr_dpdk_ctx_util.c

@@ -37,6 +37,7 @@ int pipe_mgr_dpdk_encode_match_key_and_mask(
 	struct pipe_mgr_dpdk_stage_table *stage_table;
 	struct pipe_mgr_match_key_fields *match_fields;
 	struct dal_dpdk_table_metadata *meta;
+	uint64_t mask = (uint64_t)-1;
 	int status = BF_SUCCESS;
 	uint32_t offset;
 	int match_bytes;
@@ -103,7 +104,11 @@ int pipe_mgr_dpdk_encode_match_key_and_mask(
 			/* Copy to entry. */
 			memcpy(&entry->key_mask[offset], (uint8_t *)&val,
 					match_bytes);
+		} else if (entry->key_mask) {
+			memcpy(&entry->key_mask[offset], (uint8_t *)&mask,
+			       match_bytes);
 		}
+
 		match_fields = match_fields->next;
 		index_2 += match_bytes;
 	}