The last_id value in each tx_sw_queue entry was no longer used in the datapath, remove it and its initialization. For the function releasing packets back, rather than relying on "last_id" to identify end of packet, instead check for the next pointer being NULL.
Signed-off-by: Bruce Richardson <[email protected]> --- drivers/net/intel/common/tx.h | 1 - drivers/net/intel/i40e/i40e_rxtx.c | 8 +++----- drivers/net/intel/iavf/iavf_rxtx.c | 9 ++++----- drivers/net/intel/ice/ice_dcf_ethdev.c | 1 - drivers/net/intel/ice/ice_rxtx.c | 9 ++++----- drivers/net/intel/idpf/idpf_common_rxtx.c | 2 -- drivers/net/intel/ixgbe/ixgbe_rxtx.c | 9 ++++----- 7 files changed, 15 insertions(+), 24 deletions(-) diff --git a/drivers/net/intel/common/tx.h b/drivers/net/intel/common/tx.h index 3976766f06..2d3626cbda 100644 --- a/drivers/net/intel/common/tx.h +++ b/drivers/net/intel/common/tx.h @@ -104,7 +104,6 @@ struct ci_tx_queue; struct ci_tx_entry { struct rte_mbuf *mbuf; /* mbuf associated with TX desc, if any. */ uint16_t next_id; /* Index of next descriptor in ring. */ - uint16_t last_id; /* Index of last scattered descriptor. */ }; /** diff --git a/drivers/net/intel/i40e/i40e_rxtx.c b/drivers/net/intel/i40e/i40e_rxtx.c index e1226d649b..9aa31d6168 100644 --- a/drivers/net/intel/i40e/i40e_rxtx.c +++ b/drivers/net/intel/i40e/i40e_rxtx.c @@ -2523,14 +2523,13 @@ i40e_tx_done_cleanup_full(struct ci_tx_queue *txq, pkt_cnt < free_cnt && tx_id != tx_last; i++) { if (swr_ring[tx_id].mbuf != NULL) { - rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); - swr_ring[tx_id].mbuf = NULL; - /* * last segment in the packet, * increment packet count */ - pkt_cnt += (swr_ring[tx_id].last_id == tx_id); + pkt_cnt += (swr_ring[tx_id].mbuf->next == NULL) ? 1 : 0; + rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); + swr_ring[tx_id].mbuf = NULL; } tx_id = swr_ring[tx_id].next_id; @@ -2623,7 +2622,6 @@ i40e_reset_tx_queue(struct ci_tx_queue *txq) txd->cmd_type_offset_bsz = rte_cpu_to_le_64(CI_TX_DESC_DTYPE_DESC_DONE); txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } diff --git a/drivers/net/intel/iavf/iavf_rxtx.c b/drivers/net/intel/iavf/iavf_rxtx.c index 9cac6e8841..558ae2598f 100644 --- a/drivers/net/intel/iavf/iavf_rxtx.c +++ b/drivers/net/intel/iavf/iavf_rxtx.c @@ -292,7 +292,6 @@ reset_tx_queue(struct ci_tx_queue *txq) txq->ci_tx_ring[i].cmd_type_offset_bsz = rte_cpu_to_le_64(CI_TX_DESC_DTYPE_DESC_DONE); txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } @@ -4002,14 +4001,14 @@ iavf_tx_done_cleanup_full(struct ci_tx_queue *txq, while (pkt_cnt < free_cnt) { do { if (swr_ring[tx_id].mbuf != NULL) { - rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); - swr_ring[tx_id].mbuf = NULL; - /* * last segment in the packet, * increment packet count */ - pkt_cnt += (swr_ring[tx_id].last_id == tx_id); + pkt_cnt += (swr_ring[tx_id].mbuf->next == NULL) ? 1 : 0; + rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); + swr_ring[tx_id].mbuf = NULL; + } tx_id = swr_ring[tx_id].next_id; diff --git a/drivers/net/intel/ice/ice_dcf_ethdev.c b/drivers/net/intel/ice/ice_dcf_ethdev.c index 02a23629d6..abd7875e7b 100644 --- a/drivers/net/intel/ice/ice_dcf_ethdev.c +++ b/drivers/net/intel/ice/ice_dcf_ethdev.c @@ -408,7 +408,6 @@ reset_tx_queue(struct ci_tx_queue *txq) txq->ci_tx_ring[i].cmd_type_offset_bsz = rte_cpu_to_le_64(CI_TX_DESC_DTYPE_DESC_DONE); txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } diff --git a/drivers/net/intel/ice/ice_rxtx.c b/drivers/net/intel/ice/ice_rxtx.c index 092981f452..d11d9054f2 100644 --- a/drivers/net/intel/ice/ice_rxtx.c +++ b/drivers/net/intel/ice/ice_rxtx.c @@ -1118,7 +1118,6 @@ ice_reset_tx_queue(struct ci_tx_queue *txq) txd->cmd_type_offset_bsz = rte_cpu_to_le_64(CI_TX_DESC_DTYPE_DESC_DONE); txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } @@ -3190,14 +3189,14 @@ ice_tx_done_cleanup_full(struct ci_tx_queue *txq, pkt_cnt < free_cnt && tx_id != tx_last; i++) { if (swr_ring[tx_id].mbuf != NULL) { - rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); - swr_ring[tx_id].mbuf = NULL; - /* * last segment in the packet, * increment packet count */ - pkt_cnt += (swr_ring[tx_id].last_id == tx_id); + pkt_cnt += swr_ring[tx_id].mbuf->next == NULL ? 1 : 0; + rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); + swr_ring[tx_id].mbuf = NULL; + } tx_id = swr_ring[tx_id].next_id; diff --git a/drivers/net/intel/idpf/idpf_common_rxtx.c b/drivers/net/intel/idpf/idpf_common_rxtx.c index b36e29c8d2..781310e564 100644 --- a/drivers/net/intel/idpf/idpf_common_rxtx.c +++ b/drivers/net/intel/idpf/idpf_common_rxtx.c @@ -218,7 +218,6 @@ idpf_qc_split_tx_descq_reset(struct ci_tx_queue *txq) prev = (uint16_t)(txq->sw_nb_desc - 1); for (i = 0; i < txq->sw_nb_desc; i++) { txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } @@ -277,7 +276,6 @@ idpf_qc_single_tx_queue_reset(struct ci_tx_queue *txq) txq->ci_tx_ring[i].cmd_type_offset_bsz = rte_cpu_to_le_64(CI_TX_DESC_DTYPE_DESC_DONE); txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } diff --git a/drivers/net/intel/ixgbe/ixgbe_rxtx.c b/drivers/net/intel/ixgbe/ixgbe_rxtx.c index 6b8ff20f61..5f4bee4f2f 100644 --- a/drivers/net/intel/ixgbe/ixgbe_rxtx.c +++ b/drivers/net/intel/ixgbe/ixgbe_rxtx.c @@ -2407,14 +2407,14 @@ ixgbe_tx_done_cleanup_full(struct ci_tx_queue *txq, uint32_t free_cnt) pkt_cnt < free_cnt && tx_id != tx_last; i++) { if (swr_ring[tx_id].mbuf != NULL) { - rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); - swr_ring[tx_id].mbuf = NULL; - /* * last segment in the packet, * increment packet count */ - pkt_cnt += (swr_ring[tx_id].last_id == tx_id); + pkt_cnt += swr_ring[tx_id].mbuf->next == NULL ? 1 : 0; + rte_pktmbuf_free_seg(swr_ring[tx_id].mbuf); + swr_ring[tx_id].mbuf = NULL; + } tx_id = swr_ring[tx_id].next_id; @@ -2535,7 +2535,6 @@ ixgbe_reset_tx_queue(struct ci_tx_queue *txq) txd->wb.status = rte_cpu_to_le_32(IXGBE_TXD_STAT_DD); txe[i].mbuf = NULL; - txe[i].last_id = i; txe[prev].next_id = i; prev = i; } -- 2.51.0
