[PATCH net-next v3 6/9] ravb: Add gstrings_stats and gstrings_size to struct ravb_hw_info
From: Biju Das <biju.das.jz@bp.renesas.com>
Date: 2021-08-18 19:08:47
Also in:
linux-renesas-soc
Subsystem:
networking drivers, renesas ethernet avb driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Niklas Söderlund, Linus Torvalds
The device stats strings for R-Car and RZ/G2L are different. R-Car provides 30 device stats, whereas RZ/G2L provides only 15. In addition, RZ/G2L has stats "rx_queue_0_csum_offload_errors" instead of "rx_queue_0_missed_errors". Add structure variables gstrings_stats and gstrings_size to struct ravb_hw_info, so that subsequent SoCs can be added without any code changes in the ravb_get_strings function. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Sergei Shtylyov <redacted> --- v2->v3: * No change * Added Rb tag from Andrew and Sergei. v2: * Incorporated Andrew and Sergei's review comments for making it smaller patch and provided detailed description. --- drivers/net/ethernet/renesas/ravb.h | 2 ++ drivers/net/ethernet/renesas/ravb_main.c | 9 ++++++++- 2 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h
index cec0c062d9bb..69256d7c5ee7 100644
--- a/drivers/net/ethernet/renesas/ravb.h
+++ b/drivers/net/ethernet/renesas/ravb.h@@ -989,6 +989,8 @@ enum ravb_chip_id { }; struct ravb_hw_info { + const char (*gstrings_stats)[ETH_GSTRING_LEN]; + size_t gstrings_size; enum ravb_chip_id chip_id; int stats_len; size_t max_rx_len;
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index 1fb03d04d9b4..48d24cd4e71d 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c@@ -1177,9 +1177,12 @@ static void ravb_get_ethtool_stats(struct net_device *ndev, static void ravb_get_strings(struct net_device *ndev, u32 stringset, u8 *data) { + struct ravb_private *priv = netdev_priv(ndev); + const struct ravb_hw_info *info = priv->info; + switch (stringset) { case ETH_SS_STATS: - memcpy(data, ravb_gstrings_stats, sizeof(ravb_gstrings_stats)); + memcpy(data, info->gstrings_stats, info->gstrings_size); break; } }
@@ -1926,12 +1929,16 @@ static int ravb_mdio_release(struct ravb_private *priv) } static const struct ravb_hw_info ravb_gen3_hw_info = { + .gstrings_stats = ravb_gstrings_stats, + .gstrings_size = sizeof(ravb_gstrings_stats), .chip_id = RCAR_GEN3, .stats_len = ARRAY_SIZE(ravb_gstrings_stats), .max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1, }; static const struct ravb_hw_info ravb_gen2_hw_info = { + .gstrings_stats = ravb_gstrings_stats, + .gstrings_size = sizeof(ravb_gstrings_stats), .chip_id = RCAR_GEN2, .stats_len = ARRAY_SIZE(ravb_gstrings_stats), .max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
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2.17.1