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net: liquidio: reject unsupported coalescing params 

Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.

This driver did not previously reject unsupported parameters.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2020-03-09 19:15:06 -07:00 committed by David S. Miller
parent 659d0760b0
commit 812df69beb
2 changed files with 16 additions and 0 deletions
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11
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
View File

@ -3097,7 +3097,17 @@ static int lio_set_fecparam(struct net_device *netdev,
return 0;
}
#define LIO_ETHTOOL_COALESCE (ETHTOOL_COALESCE_RX_USECS | \
ETHTOOL_COALESCE_MAX_FRAMES | \
ETHTOOL_COALESCE_USE_ADAPTIVE | \
ETHTOOL_COALESCE_RX_MAX_FRAMES_LOW | \
ETHTOOL_COALESCE_TX_MAX_FRAMES_LOW | \
ETHTOOL_COALESCE_RX_MAX_FRAMES_HIGH | \
ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH | \
ETHTOOL_COALESCE_PKT_RATE_RX_USECS)
static const struct ethtool_ops lio_ethtool_ops = {
.supported_coalesce_params = LIO_ETHTOOL_COALESCE,
.get_link_ksettings = lio_get_link_ksettings,
.set_link_ksettings = lio_set_link_ksettings,
.get_fecparam = lio_get_fecparam,
@ -3128,6 +3138,7 @@ static const struct ethtool_ops lio_ethtool_ops = {
};
static const struct ethtool_ops lio_vf_ethtool_ops = {
.supported_coalesce_params = LIO_ETHTOOL_COALESCE,
.get_link_ksettings = lio_get_link_ksettings,
.get_link = ethtool_op_get_link,
.get_drvinfo = lio_get_vf_drvinfo,

5
include/linux/ethtool.h
View File

@ -211,6 +211,11 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32,
ETHTOOL_COALESCE_TX_MAX_FRAMES_IRQ)
#define ETHTOOL_COALESCE_USE_ADAPTIVE \
(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | ETHTOOL_COALESCE_USE_ADAPTIVE_TX)
#define ETHTOOL_COALESCE_PKT_RATE_RX_USECS \
(ETHTOOL_COALESCE_USE_ADAPTIVE_RX | \
ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \
ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \
ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL)
/**
* struct ethtool_ops - optional netdev operations