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-rw-r--r--drivers/net/octeontx/base/octeontx_pki_var.h13
-rw-r--r--drivers/net/octeontx/octeontx_ethdev.c3
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/net/octeontx/base/octeontx_pki_var.h b/drivers/net/octeontx/base/octeontx_pki_var.h
index c793b655..f4661d24 100644
--- a/drivers/net/octeontx/base/octeontx_pki_var.h
+++ b/drivers/net/octeontx/base/octeontx_pki_var.h
@@ -7,8 +7,17 @@
#include <rte_byteorder.h>
-#define OCTTX_PACKET_WQE_SKIP 128
-#define OCTTX_PACKET_FIRST_SKIP 240
+#define OCTTX_PACKET_WQE_SKIP 128
+#define OCTTX_PACKET_FIRST_SKIP_MAXREGVAL 496
+#define OCTTX_PACKET_FIRST_SKIP_MAXLEN 512
+#define OCTTX_PACKET_FIRST_SKIP_ADJUST(x) \
+ (RTE_MIN(x, OCTTX_PACKET_FIRST_SKIP_MAXREGVAL))
+#define OCTTX_PACKET_FIRST_SKIP_SUM(p) \
+ (OCTTX_PACKET_WQE_SKIP \
+ + rte_pktmbuf_priv_size(p) \
+ + RTE_PKTMBUF_HEADROOM)
+#define OCTTX_PACKET_FIRST_SKIP(p) \
+ OCTTX_PACKET_FIRST_SKIP_ADJUST(OCTTX_PACKET_FIRST_SKIP_SUM(p))
#define OCTTX_PACKET_LATER_SKIP 128
/* WQE descriptor */
diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
index 06814862..a3063be4 100644
--- a/drivers/net/octeontx/octeontx_ethdev.c
+++ b/drivers/net/octeontx/octeontx_ethdev.c
@@ -844,10 +844,11 @@ octeontx_dev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t qidx,
pktbuf_conf.mmask.f_cache_mode = 1;
pktbuf_conf.wqe_skip = OCTTX_PACKET_WQE_SKIP;
- pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP;
+ pktbuf_conf.first_skip = OCTTX_PACKET_FIRST_SKIP(mb_pool);
pktbuf_conf.later_skip = OCTTX_PACKET_LATER_SKIP;
pktbuf_conf.mbuff_size = (mb_pool->elt_size -
RTE_PKTMBUF_HEADROOM -
+ rte_pktmbuf_priv_size(mb_pool) -
sizeof(struct rte_mbuf));
pktbuf_conf.cache_mode = PKI_OPC_MODE_STF2_STT;