[PATCH net-next v12 1/4] net: mana: refactor mana_get_strings() and mana_get_sset_count() to use switch
From: Dipayaan Roy <hidden>
Date: 2026-07-11 04:14:40
Also in:
bpf, linux-hyperv, linux-rdma, lkml
Subsystem:
hyper-v/azure core and drivers, networking drivers, the rest · Maintainers:
"K. Y. Srinivasan", Haiyang Zhang, Wei Liu, Dexuan Cui, Long Li, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Refactor mana_get_strings() and mana_get_sset_count() from if/else to switch statements in preparation for adding ethtool private flags support which requires handling ETH_SS_PRIV_FLAGS. No functional change. Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Dipayaan Roy <redacted> --- .../ethernet/microsoft/mana/mana_ethtool.c | 75 ++++++++++++------- 1 file changed, 46 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
index 9e31e2595ae3..482cd16009ab 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_ethtool.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_ethtool.c@@ -138,53 +138,70 @@ static int mana_get_sset_count(struct net_device *ndev, int stringset) struct mana_port_context *apc = netdev_priv(ndev); unsigned int num_queues = apc->num_queues; - if (stringset != ETH_SS_STATS) + switch (stringset) { + case ETH_SS_STATS: + return ARRAY_SIZE(mana_eth_stats) + + ARRAY_SIZE(mana_phy_stats) + + ARRAY_SIZE(mana_hc_stats) + + num_queues * (MANA_STATS_RX_COUNT + MANA_STATS_TX_COUNT); + default: return -EINVAL; - - return ARRAY_SIZE(mana_eth_stats) + ARRAY_SIZE(mana_phy_stats) + ARRAY_SIZE(mana_hc_stats) + - num_queues * (MANA_STATS_RX_COUNT + MANA_STATS_TX_COUNT); + } } -static void mana_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +static void mana_get_strings_stats(struct mana_port_context *apc, u8 **data) { - struct mana_port_context *apc = netdev_priv(ndev); unsigned int num_queues = apc->num_queues; int i, j; - if (stringset != ETH_SS_STATS) - return; for (i = 0; i < ARRAY_SIZE(mana_eth_stats); i++) - ethtool_puts(&data, mana_eth_stats[i].name); + ethtool_puts(data, mana_eth_stats[i].name); for (i = 0; i < ARRAY_SIZE(mana_hc_stats); i++) - ethtool_puts(&data, mana_hc_stats[i].name); + ethtool_puts(data, mana_hc_stats[i].name); for (i = 0; i < ARRAY_SIZE(mana_phy_stats); i++) - ethtool_puts(&data, mana_phy_stats[i].name); + ethtool_puts(data, mana_phy_stats[i].name); for (i = 0; i < num_queues; i++) { - ethtool_sprintf(&data, "rx_%d_packets", i); - ethtool_sprintf(&data, "rx_%d_bytes", i); - ethtool_sprintf(&data, "rx_%d_xdp_drop", i); - ethtool_sprintf(&data, "rx_%d_xdp_tx", i); - ethtool_sprintf(&data, "rx_%d_xdp_redirect", i); - ethtool_sprintf(&data, "rx_%d_pkt_len0_err", i); + ethtool_sprintf(data, "rx_%d_packets", i); + ethtool_sprintf(data, "rx_%d_bytes", i); + ethtool_sprintf(data, "rx_%d_xdp_drop", i); + ethtool_sprintf(data, "rx_%d_xdp_tx", i); + ethtool_sprintf(data, "rx_%d_xdp_redirect", i); + ethtool_sprintf(data, "rx_%d_pkt_len0_err", i); for (j = 0; j < MANA_RXCOMP_OOB_NUM_PPI - 1; j++) - ethtool_sprintf(&data, "rx_%d_coalesced_cqe_%d", i, j + 2); + ethtool_sprintf(data, + "rx_%d_coalesced_cqe_%d", + i, + j + 2); } for (i = 0; i < num_queues; i++) { - ethtool_sprintf(&data, "tx_%d_packets", i); - ethtool_sprintf(&data, "tx_%d_bytes", i); - ethtool_sprintf(&data, "tx_%d_xdp_xmit", i); - ethtool_sprintf(&data, "tx_%d_tso_packets", i); - ethtool_sprintf(&data, "tx_%d_tso_bytes", i); - ethtool_sprintf(&data, "tx_%d_tso_inner_packets", i); - ethtool_sprintf(&data, "tx_%d_tso_inner_bytes", i); - ethtool_sprintf(&data, "tx_%d_long_pkt_fmt", i); - ethtool_sprintf(&data, "tx_%d_short_pkt_fmt", i); - ethtool_sprintf(&data, "tx_%d_csum_partial", i); - ethtool_sprintf(&data, "tx_%d_mana_map_err", i); + ethtool_sprintf(data, "tx_%d_packets", i); + ethtool_sprintf(data, "tx_%d_bytes", i); + ethtool_sprintf(data, "tx_%d_xdp_xmit", i); + ethtool_sprintf(data, "tx_%d_tso_packets", i); + ethtool_sprintf(data, "tx_%d_tso_bytes", i); + ethtool_sprintf(data, "tx_%d_tso_inner_packets", i); + ethtool_sprintf(data, "tx_%d_tso_inner_bytes", i); + ethtool_sprintf(data, "tx_%d_long_pkt_fmt", i); + ethtool_sprintf(data, "tx_%d_short_pkt_fmt", i); + ethtool_sprintf(data, "tx_%d_csum_partial", i); + ethtool_sprintf(data, "tx_%d_mana_map_err", i); + } +} + +static void mana_get_strings(struct net_device *ndev, u32 stringset, u8 *data) +{ + struct mana_port_context *apc = netdev_priv(ndev); + + switch (stringset) { + case ETH_SS_STATS: + mana_get_strings_stats(apc, &data); + break; + default: + break; } }
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2.43.0