net: mana: Set tx_packets to post gso processing packet count

jira LE-4385
Rebuild_History Non-Buildable kernel-5.14.0-570.52.1.el9_6
commit-author Shradha Gupta <[email protected]>
commit 7399ef9

Allow tx_packets and tx_bytes counter in the driver to represent
the packets transmitted post GSO processing.

Currently they are populated as bigger pre-GSO packets and bytes

	Signed-off-by: Shradha Gupta <[email protected]>
	Reviewed-by: Haiyang Zhang <[email protected]>
	Signed-off-by: David S. Miller <[email protected]>
(cherry picked from commit 7399ef9)
	Signed-off-by: Jonathan Maple <[email protected]>

Author: PlaidCat

drivers/net/ethernet/microsoft/mana/mana_en.c

@@ -249,10 +249,10 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	struct netdev_queue *net_txq;
 	struct mana_stats_tx *tx_stats;
 	struct gdma_queue *gdma_sq;
+	int err, len, num_gso_seg;
 	unsigned int csum_type;
 	struct mana_txq *txq;
 	struct mana_cq *cq;
-	int err, len;
 
 	if (unlikely(!apc->port_is_up))
 		goto tx_drop;
@@ -405,6 +405,7 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	skb_queue_tail(&txq->pending_skbs, skb);
 
 	len = skb->len;
+	num_gso_seg = skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
 	net_txq = netdev_get_tx_queue(ndev, txq_idx);
 
 	err = mana_gd_post_work_request(gdma_sq, &pkg.wqe_req,
@@ -429,10 +430,13 @@ netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	/* skb may be freed after mana_gd_post_work_request. Do not use it. */
 	skb = NULL;
 
+	/* Populated the packet and bytes counters based on post GSO packet
+	 * calculations
+	 */
 	tx_stats = &txq->stats;
 	u64_stats_update_begin(&tx_stats->syncp);
-	tx_stats->packets++;
-	tx_stats->bytes += len;
+	tx_stats->packets += num_gso_seg;
+	tx_stats->bytes += len + ((num_gso_seg - 1) * gso_hs);
 	u64_stats_update_end(&tx_stats->syncp);
 
 tx_busy: