net/tap: allow RSS flow action

[dpdk.git] / lib / librte_reorder / rte_reorder.c

diff --git a/lib/librte_reorder/rte_reorder.c b/lib/librte_reorder/rte_reorder.c
index c5ce794..010dff6 100644 (file)
--- a/lib/librte_reorder/rte_reorder.c
+++ b/lib/librte_reorder/rte_reorder.c
@@ -45,6 +45,11 @@
 
 TAILQ_HEAD(rte_reorder_list, rte_tailq_entry);
 
+static struct rte_tailq_elem rte_reorder_tailq = {
+       .name = "RTE_REORDER",
+};
+EAL_REGISTER_TAILQ(rte_reorder_tailq)
+
 #define NO_FLAGS 0
 #define RTE_REORDER_PREFIX "RO_"
 #define RTE_REORDER_NAMESIZE 32
@@ -68,6 +73,7 @@ struct rte_reorder_buffer {
        unsigned int memsize; /**< memory area size of reorder buffer */
        struct cir_buffer ready_buf; /**< temp buffer for dequeued entries */
        struct cir_buffer order_buf; /**< buffer used to reorder entries */
+       int is_initialized;
 } __rte_cache_aligned;
 
 static void
@@ -126,12 +132,7 @@ rte_reorder_create(const char *name, unsigned socket_id, unsigned int size)
        const unsigned int bufsize = sizeof(struct rte_reorder_buffer) +
                                        (2 * size * sizeof(struct rte_mbuf *));
 
-       /* check that we have an initialised tail queue */
-       reorder_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_REORDER, rte_reorder_list);
-       if (!reorder_list) {
-               rte_errno = E_RTE_NO_TAILQ;
-               return NULL;
-       }
+       reorder_list = RTE_TAILQ_CAST(rte_reorder_tailq.head, rte_reorder_list);
 
        /* Check user arguments. */
        if (!rte_is_power_of_2(size)) {
@@ -219,12 +220,7 @@ rte_reorder_free(struct rte_reorder_buffer *b)
        if (b == NULL)
                return;
 
-       /* check that we have an initialised tail queue */
-       reorder_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_REORDER, rte_reorder_list);
-       if (!reorder_list) {
-               rte_errno = E_RTE_NO_TAILQ;
-               return;
-       }
+       reorder_list = RTE_TAILQ_CAST(rte_reorder_tailq.head, rte_reorder_list);
 
        rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
 
@@ -255,12 +251,7 @@ rte_reorder_find_existing(const char *name)
        struct rte_tailq_entry *te;
        struct rte_reorder_list *reorder_list;
 
-       /* check that we have an initialised tail queue */
-       reorder_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_REORDER, rte_reorder_list);
-       if (!reorder_list) {
-               rte_errno = E_RTE_NO_TAILQ;
-               return NULL;
-       }
+       reorder_list = RTE_TAILQ_CAST(rte_reorder_tailq.head, rte_reorder_list);
 
        rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK);
        TAILQ_FOREACH(te, reorder_list, next) {
@@ -335,6 +326,11 @@ rte_reorder_insert(struct rte_reorder_buffer *b, struct rte_mbuf *mbuf)
        uint32_t offset, position;
        struct cir_buffer *order_buf = &b->order_buf;
 
+       if (!b->is_initialized) {
+               b->min_seqn = mbuf->seqn;
+               b->is_initialized = 1;
+       }
+
        /*
         * calculate the offset from the head pointer we need to go.
         * The subtraction takes care of the sequence number wrapping.