[PATCH net-next v5 2/3] net: libwx: add support for set_coalesce in wx_ethtool_ops_vf
From: Mengyuan Lou <mengyuanlou@net-swift.com>
Date: 2026-06-15 10:49:42
Subsystem:
networking drivers, the rest, wangxun ethernet driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Jiawen Wu, Mengyuan Lou
Add support for set_coalesce in wx_ethtool_ops_vf, which is used to set interrupt coalescing parameters. Signed-off-by: Mengyuan Lou <mengyuanlou@net-swift.com> --- drivers/net/ethernet/wangxun/libwx/wx_ethtool.c | 7 ++++++- drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c | 13 ++++++++++++- 2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
index 6d8fcddde6fa..30c6ef6103ac 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c@@ -10,6 +10,7 @@ #include "wx_hw.h" #include "wx_lib.h" #include "wx_vf_common.h" +#include "wx_vf_lib.h" struct wx_stats { char stat_string[ETH_GSTRING_LEN];
@@ -488,7 +489,10 @@ int wx_set_coalesce(struct net_device *netdev, else /* rx only or mixed */ q_vector->itr = rx_itr_param; - wx_write_eitr(q_vector); + if (wx->pdev->is_virtfn) + wx_write_eitr_vf(q_vector); + else + wx_write_eitr(q_vector); } wx_update_rsc(wx);
@@ -844,6 +848,7 @@ static const struct ethtool_ops wx_ethtool_ops_vf = { .set_ringparam = wx_set_ringparam_vf, .get_msglevel = wx_get_msglevel, .get_coalesce = wx_get_coalesce, + .set_coalesce = wx_set_coalesce, .get_ts_info = ethtool_op_get_ts_info, .get_link_ksettings = wx_get_link_ksettings_vf, };
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c
index aa8be036956c..7325b475ee10 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_vf_lib.c@@ -16,7 +16,18 @@ void wx_write_eitr_vf(struct wx_q_vector *q_vector) int v_idx = q_vector->v_idx; u32 itr_reg; - itr_reg = q_vector->itr & WX_VXITR_MASK; + switch (wx->mac.type) { + case wx_mac_sp: + itr_reg = q_vector->itr & WX_SP_MAX_EITR; + break; + case wx_mac_aml: + case wx_mac_aml40: + itr_reg = (q_vector->itr >> 3) & WX_AML_MAX_EITR; + break; + default: + itr_reg = q_vector->itr & WX_EM_MAX_EITR; + break; + } /* set the WDIS bit to not clear the timer bits and cause an * immediate assertion of the interrupt
--
2.30.1