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authorLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:52:30 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:53:17 +0100
commitb63264c8342e6a1b6971c79550d2af2024b6a4de (patch)
tree83114aac64286fe616506c0b3dfaec2ab86ef835 /drivers/net/softnic/rte_eth_softnic_swq.c
parentca33590b6af032bff57d9cc70455660466a654b2 (diff)
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/net/softnic/rte_eth_softnic_swq.c')
-rw-r--r--drivers/net/softnic/rte_eth_softnic_swq.c114
1 files changed, 114 insertions, 0 deletions
diff --git a/drivers/net/softnic/rte_eth_softnic_swq.c b/drivers/net/softnic/rte_eth_softnic_swq.c
new file mode 100644
index 00000000..2083d0a9
--- /dev/null
+++ b/drivers/net/softnic/rte_eth_softnic_swq.c
@@ -0,0 +1,114 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2018 Intel Corporation
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <rte_string_fns.h>
+#include <rte_tailq.h>
+
+#include "rte_eth_softnic_internals.h"
+
+int
+softnic_swq_init(struct pmd_internals *p)
+{
+ TAILQ_INIT(&p->swq_list);
+
+ return 0;
+}
+
+void
+softnic_swq_free(struct pmd_internals *p)
+{
+ for ( ; ; ) {
+ struct softnic_swq *swq;
+
+ swq = TAILQ_FIRST(&p->swq_list);
+ if (swq == NULL)
+ break;
+
+ TAILQ_REMOVE(&p->swq_list, swq, node);
+ rte_ring_free(swq->r);
+ free(swq);
+ }
+}
+
+void
+softnic_softnic_swq_free_keep_rxq_txq(struct pmd_internals *p)
+{
+ struct softnic_swq *swq, *tswq;
+
+ TAILQ_FOREACH_SAFE(swq, &p->swq_list, node, tswq) {
+ if ((strncmp(swq->name, "RXQ", strlen("RXQ")) == 0) ||
+ (strncmp(swq->name, "TXQ", strlen("TXQ")) == 0))
+ continue;
+
+ TAILQ_REMOVE(&p->swq_list, swq, node);
+ rte_ring_free(swq->r);
+ free(swq);
+ }
+}
+
+struct softnic_swq *
+softnic_swq_find(struct pmd_internals *p,
+ const char *name)
+{
+ struct softnic_swq *swq;
+
+ if (name == NULL)
+ return NULL;
+
+ TAILQ_FOREACH(swq, &p->swq_list, node)
+ if (strcmp(swq->name, name) == 0)
+ return swq;
+
+ return NULL;
+}
+
+struct softnic_swq *
+softnic_swq_create(struct pmd_internals *p,
+ const char *name,
+ struct softnic_swq_params *params)
+{
+ char ring_name[NAME_SIZE];
+ struct softnic_swq *swq;
+ struct rte_ring *r;
+ unsigned int flags = RING_F_SP_ENQ | RING_F_SC_DEQ;
+
+ /* Check input params */
+ if (name == NULL ||
+ softnic_swq_find(p, name) ||
+ params == NULL ||
+ params->size == 0)
+ return NULL;
+
+ /* Resource create */
+ snprintf(ring_name, sizeof(ring_name), "%s_%s",
+ p->params.name,
+ name);
+
+ r = rte_ring_create(ring_name,
+ params->size,
+ p->params.cpu_id,
+ flags);
+
+ if (r == NULL)
+ return NULL;
+
+ /* Node allocation */
+ swq = calloc(1, sizeof(struct softnic_swq));
+ if (swq == NULL) {
+ rte_ring_free(r);
+ return NULL;
+ }
+
+ /* Node fill in */
+ strlcpy(swq->name, name, sizeof(swq->name));
+ swq->r = r;
+
+ /* Node add to list */
+ TAILQ_INSERT_TAIL(&p->swq_list, swq, node);
+
+ return swq;
+}