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* [PATCH] net/intel: remove unused reassembly functions
@ 2025-03-07 16:07 Bruce Richardson
  2025-03-13 17:48 ` Medvedkin, Vladimir
  0 siblings, 1 reply; 3+ messages in thread
From: Bruce Richardson @ 2025-03-07 16:07 UTC (permalink / raw)
  To: dev
  Cc: Bruce Richardson, Ian Stokes, Vladimir Medvedkin,
	Anatoly Burakov, Praveen Shetty

When creating a common pkt reassembly function for common driver Rx
re-use, not all original copies of the function were removed. Fix this
omission.

Fixes: 82fbc4a4479c ("net/intel: create common packet reassembly")

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 drivers/net/intel/i40e/i40e_rxtx_vec_common.h | 63 ------------------
 drivers/net/intel/iavf/iavf_rxtx_vec_common.h | 64 ------------------
 drivers/net/intel/ice/ice_rxtx_vec_common.h   | 65 -------------------
 3 files changed, 192 deletions(-)

diff --git a/drivers/net/intel/i40e/i40e_rxtx_vec_common.h b/drivers/net/intel/i40e/i40e_rxtx_vec_common.h
index e988689d7b..ba72df8e13 100644
--- a/drivers/net/intel/i40e/i40e_rxtx_vec_common.h
+++ b/drivers/net/intel/i40e/i40e_rxtx_vec_common.h
@@ -12,69 +12,6 @@
 #include "i40e_ethdev.h"
 #include "i40e_rxtx.h"
 
-static inline uint16_t
-reassemble_packets(struct i40e_rx_queue *rxq, struct rte_mbuf **rx_bufs,
-		   uint16_t nb_bufs, uint8_t *split_flags)
-{
-	struct rte_mbuf *pkts[RTE_I40E_VPMD_RX_BURST]; /*finished pkts*/
-	struct rte_mbuf *start = rxq->pkt_first_seg;
-	struct rte_mbuf *end =  rxq->pkt_last_seg;
-	unsigned pkt_idx, buf_idx;
-
-	for (buf_idx = 0, pkt_idx = 0; buf_idx < nb_bufs; buf_idx++) {
-		if (end != NULL) {
-			/* processing a split packet */
-			end->next = rx_bufs[buf_idx];
-			rx_bufs[buf_idx]->data_len += rxq->crc_len;
-
-			start->nb_segs++;
-			start->pkt_len += rx_bufs[buf_idx]->data_len;
-			end = end->next;
-
-			if (!split_flags[buf_idx]) {
-				/* it's the last packet of the set */
-				start->hash = end->hash;
-				start->vlan_tci = end->vlan_tci;
-				start->ol_flags = end->ol_flags;
-				/* we need to strip crc for the whole packet */
-				start->pkt_len -= rxq->crc_len;
-				if (end->data_len > rxq->crc_len)
-					end->data_len -= rxq->crc_len;
-				else {
-					/* free up last mbuf */
-					struct rte_mbuf *secondlast = start;
-
-					start->nb_segs--;
-					while (secondlast->next != end)
-						secondlast = secondlast->next;
-					secondlast->data_len -= (rxq->crc_len -
-							end->data_len);
-					secondlast->next = NULL;
-					rte_pktmbuf_free_seg(end);
-				}
-				pkts[pkt_idx++] = start;
-				start = end = NULL;
-			}
-		} else {
-			/* not processing a split packet */
-			if (!split_flags[buf_idx]) {
-				/* not a split packet, save and skip */
-				pkts[pkt_idx++] = rx_bufs[buf_idx];
-				continue;
-			}
-			end = start = rx_bufs[buf_idx];
-			rx_bufs[buf_idx]->data_len += rxq->crc_len;
-			rx_bufs[buf_idx]->pkt_len += rxq->crc_len;
-		}
-	}
-
-	/* save the partial packet for next time */
-	rxq->pkt_first_seg = start;
-	rxq->pkt_last_seg = end;
-	memcpy(rx_bufs, pkts, pkt_idx * (sizeof(*pkts)));
-	return pkt_idx;
-}
-
 static inline int
 i40e_tx_desc_done(struct ci_tx_queue *txq, uint16_t idx)
 {
diff --git a/drivers/net/intel/iavf/iavf_rxtx_vec_common.h b/drivers/net/intel/iavf/iavf_rxtx_vec_common.h
index 33b2bb0633..38e9a206d9 100644
--- a/drivers/net/intel/iavf/iavf_rxtx_vec_common.h
+++ b/drivers/net/intel/iavf/iavf_rxtx_vec_common.h
@@ -12,70 +12,6 @@
 #include "iavf.h"
 #include "iavf_rxtx.h"
 
-static __rte_always_inline uint16_t
-reassemble_packets(struct iavf_rx_queue *rxq, struct rte_mbuf **rx_bufs,
-		   uint16_t nb_bufs, uint8_t *split_flags)
-{
-	struct rte_mbuf *pkts[IAVF_VPMD_RX_MAX_BURST];
-	struct rte_mbuf *start = rxq->pkt_first_seg;
-	struct rte_mbuf *end =  rxq->pkt_last_seg;
-	unsigned int pkt_idx, buf_idx;
-
-	for (buf_idx = 0, pkt_idx = 0; buf_idx < nb_bufs; buf_idx++) {
-		if (end) {
-			/* processing a split packet */
-			end->next = rx_bufs[buf_idx];
-			rx_bufs[buf_idx]->data_len += rxq->crc_len;
-
-			start->nb_segs++;
-			start->pkt_len += rx_bufs[buf_idx]->data_len;
-			end = end->next;
-
-			if (!split_flags[buf_idx]) {
-				/* it's the last packet of the set */
-				start->hash = end->hash;
-				start->vlan_tci = end->vlan_tci;
-				start->ol_flags = end->ol_flags;
-				/* we need to strip crc for the whole packet */
-				start->pkt_len -= rxq->crc_len;
-				if (end->data_len > rxq->crc_len) {
-					end->data_len -= rxq->crc_len;
-				} else {
-					/* free up last mbuf */
-					struct rte_mbuf *secondlast = start;
-
-					start->nb_segs--;
-					while (secondlast->next != end)
-						secondlast = secondlast->next;
-					secondlast->data_len -= (rxq->crc_len -
-							end->data_len);
-					secondlast->next = NULL;
-					rte_pktmbuf_free_seg(end);
-				}
-				pkts[pkt_idx++] = start;
-				start = NULL;
-				end = NULL;
-			}
-		} else {
-			/* not processing a split packet */
-			if (!split_flags[buf_idx]) {
-				/* not a split packet, save and skip */
-				pkts[pkt_idx++] = rx_bufs[buf_idx];
-				continue;
-			}
-			end = start = rx_bufs[buf_idx];
-			rx_bufs[buf_idx]->data_len += rxq->crc_len;
-			rx_bufs[buf_idx]->pkt_len += rxq->crc_len;
-		}
-	}
-
-	/* save the partial packet for next time */
-	rxq->pkt_first_seg = start;
-	rxq->pkt_last_seg = end;
-	memcpy(rx_bufs, pkts, pkt_idx * (sizeof(*pkts)));
-	return pkt_idx;
-}
-
 static inline int
 iavf_tx_desc_done(struct ci_tx_queue *txq, uint16_t idx)
 {
diff --git a/drivers/net/intel/ice/ice_rxtx_vec_common.h b/drivers/net/intel/ice/ice_rxtx_vec_common.h
index 7d9a54e38f..7933c26366 100644
--- a/drivers/net/intel/ice/ice_rxtx_vec_common.h
+++ b/drivers/net/intel/ice/ice_rxtx_vec_common.h
@@ -8,71 +8,6 @@
 #include "../common/rx.h"
 #include "ice_rxtx.h"
 
-static inline uint16_t
-ice_rx_reassemble_packets(struct ice_rx_queue *rxq, struct rte_mbuf **rx_bufs,
-			  uint16_t nb_bufs, uint8_t *split_flags)
-{
-	struct rte_mbuf *pkts[ICE_VPMD_RX_BURST] = {0}; /*finished pkts*/
-	struct rte_mbuf *start = rxq->pkt_first_seg;
-	struct rte_mbuf *end =  rxq->pkt_last_seg;
-	unsigned int pkt_idx, buf_idx;
-
-	for (buf_idx = 0, pkt_idx = 0; buf_idx < nb_bufs; buf_idx++) {
-		if (end) {
-			/* processing a split packet */
-			end->next = rx_bufs[buf_idx];
-			rx_bufs[buf_idx]->data_len += rxq->crc_len;
-
-			start->nb_segs++;
-			start->pkt_len += rx_bufs[buf_idx]->data_len;
-			end = end->next;
-
-			if (!split_flags[buf_idx]) {
-				/* it's the last packet of the set */
-				start->hash = end->hash;
-				start->vlan_tci = end->vlan_tci;
-				start->ol_flags = end->ol_flags;
-				/* we need to strip crc for the whole packet */
-				start->pkt_len -= rxq->crc_len;
-				if (end->data_len > rxq->crc_len) {
-					end->data_len -= rxq->crc_len;
-				} else {
-					/* free up last mbuf */
-					struct rte_mbuf *secondlast = start;
-
-					start->nb_segs--;
-					while (secondlast->next != end)
-						secondlast = secondlast->next;
-					secondlast->data_len -= (rxq->crc_len -
-							end->data_len);
-					secondlast->next = NULL;
-					rte_pktmbuf_free_seg(end);
-				}
-				pkts[pkt_idx++] = start;
-				start = NULL;
-				end = NULL;
-			}
-		} else {
-			/* not processing a split packet */
-			if (!split_flags[buf_idx]) {
-				/* not a split packet, save and skip */
-				pkts[pkt_idx++] = rx_bufs[buf_idx];
-				continue;
-			}
-			start = rx_bufs[buf_idx];
-			end = start;
-			rx_bufs[buf_idx]->data_len += rxq->crc_len;
-			rx_bufs[buf_idx]->pkt_len += rxq->crc_len;
-		}
-	}
-
-	/* save the partial packet for next time */
-	rxq->pkt_first_seg = start;
-	rxq->pkt_last_seg = end;
-	memcpy(rx_bufs, pkts, pkt_idx * (sizeof(*pkts)));
-	return pkt_idx;
-}
-
 static inline int
 ice_tx_desc_done(struct ci_tx_queue *txq, uint16_t idx)
 {
-- 
2.43.0


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] net/intel: remove unused reassembly functions
  2025-03-07 16:07 [PATCH] net/intel: remove unused reassembly functions Bruce Richardson
@ 2025-03-13 17:48 ` Medvedkin, Vladimir
  2025-03-13 18:00   ` Bruce Richardson
  0 siblings, 1 reply; 3+ messages in thread
From: Medvedkin, Vladimir @ 2025-03-13 17:48 UTC (permalink / raw)
  To: Bruce Richardson, dev; +Cc: Ian Stokes, Anatoly Burakov, Praveen Shetty

[-- Attachment #1: Type: text/plain, Size: 695 bytes --]

Acked-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>

On 07/03/2025 16:07, Bruce Richardson wrote:
> When creating a common pkt reassembly function for common driver Rx
> re-use, not all original copies of the function were removed. Fix this
> omission.
>
> Fixes: 82fbc4a4479c ("net/intel: create common packet reassembly")
>
> Signed-off-by: Bruce Richardson<bruce.richardson@intel.com>
> ---
>   drivers/net/intel/i40e/i40e_rxtx_vec_common.h | 63 ------------------
>   drivers/net/intel/iavf/iavf_rxtx_vec_common.h | 64 ------------------
>   drivers/net/intel/ice/ice_rxtx_vec_common.h   | 65 -------------------
>   3 files changed, 192 deletions(-)
>
<snip>

-- 
Regards,
Vladimir

[-- Attachment #2: Type: text/html, Size: 1460 bytes --]

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] net/intel: remove unused reassembly functions
  2025-03-13 17:48 ` Medvedkin, Vladimir
@ 2025-03-13 18:00   ` Bruce Richardson
  0 siblings, 0 replies; 3+ messages in thread
From: Bruce Richardson @ 2025-03-13 18:00 UTC (permalink / raw)
  To: Medvedkin, Vladimir; +Cc: dev, Ian Stokes, Anatoly Burakov, Praveen Shetty

On Thu, Mar 13, 2025 at 05:48:28PM +0000, Medvedkin, Vladimir wrote:
>    Acked-by: Vladimir Medvedkin [1]<vladimir.medvedkin@intel.com>
> 
>    On 07/03/2025 16:07, Bruce Richardson wrote:
> 
> When creating a common pkt reassembly function for common driver Rx
> re-use, not all original copies of the function were removed. Fix this
> omission.
> 
> Fixes: 82fbc4a4479c ("net/intel: create common packet reassembly")
> 
> Signed-off-by: Bruce Richardson [2]<bruce.richardson@intel.com>
> ---
>  drivers/net/intel/i40e/i40e_rxtx_vec_common.h | 63 ------------------
>  drivers/net/intel/iavf/iavf_rxtx_vec_common.h | 64 ------------------
>  drivers/net/intel/ice/ice_rxtx_vec_common.h   | 65 -------------------
>  3 files changed, 192 deletions(-)
> 
> 
Applied to dpdk-next-net-intel


/Bruce

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2025-03-07 16:07 [PATCH] net/intel: remove unused reassembly functions Bruce Richardson
2025-03-13 17:48 ` Medvedkin, Vladimir
2025-03-13 18:00   ` Bruce Richardson

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