From: Mingming Cao Date: Wed, 9 Jul 2025 15:33:32 +0000 (-0700) Subject: ibmvnic: Fix hardcoded NUM_RX_STATS/NUM_TX_STATS with dynamic sizeof X-Git-Tag: v6.16-rc6~14^2~9 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=01b8114b432d7baaa5e51ab229c12c4f36b8e2c6;p=thirdparty%2Flinux.git ibmvnic: Fix hardcoded NUM_RX_STATS/NUM_TX_STATS with dynamic sizeof The previous hardcoded definitions of NUM_RX_STATS and NUM_TX_STATS were not updated when new fields were added to the ibmvnic_{rx,tx}_queue_stats structures. Specifically, commit 2ee73c54a615 ("ibmvnic: Add stat for tx direct vs tx batched") added a fourth TX stat, but NUM_TX_STATS remained 3, leading to a mismatch. This patch replaces the static defines with dynamic sizeof-based calculations to ensure the stat arrays are correctly sized. This fixes incorrect indexing and prevents incomplete stat reporting in tools like ethtool. Fixes: 2ee73c54a615 ("ibmvnic: Add stat for tx direct vs tx batched") Signed-off-by: Mingming Cao Reviewed-by: Dave Marquardt Reviewed-by: Haren Myneni Reviewed-by: Simon Horman Link: https://patch.msgid.link/20250709153332.73892-1-mmc@linux.ibm.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index a189038d88df0..246ddce753f92 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -211,7 +211,6 @@ struct ibmvnic_statistics { u8 reserved[72]; } __packed __aligned(8); -#define NUM_TX_STATS 3 struct ibmvnic_tx_queue_stats { u64 batched_packets; u64 direct_packets; @@ -219,13 +218,18 @@ struct ibmvnic_tx_queue_stats { u64 dropped_packets; }; -#define NUM_RX_STATS 3 +#define NUM_TX_STATS \ + (sizeof(struct ibmvnic_tx_queue_stats) / sizeof(u64)) + struct ibmvnic_rx_queue_stats { u64 packets; u64 bytes; u64 interrupts; }; +#define NUM_RX_STATS \ + (sizeof(struct ibmvnic_rx_queue_stats) / sizeof(u64)) + struct ibmvnic_acl_buffer { __be32 len; __be32 version;