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intel: Update drivers to use ethtool_sprintf

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Update the Intel drivers to make use of ethtool_sprintf. The general idea
is to reduce code size and overhead by replacing the repeated pattern of
string printf statements and ETH_STRING_LEN counter increments.

Signed-off-by: Alexander Duyck <alexanderduyck@fb.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2021-03-16 17:30:44 -07:00 committed by David S. Miller
parent 7888fe53b7
commit c8d4725e98
4 changed files with 50 additions and 101 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/net/ethernet/intel/i40e/i40e_ethtool.c
View file

@ -2368,21 +2368,15 @@ static void i40e_get_priv_flag_strings(struct net_device *netdev, u8 *data)
struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi; struct i40e_vsi *vsi = np->vsi;
struct i40e_pf *pf = vsi->back; struct i40e_pf *pf = vsi->back;
char *p = (char *)data;
unsigned int i; unsigned int i;
u8 *p = data;
for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) { for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++)
snprintf(p, ETH_GSTRING_LEN, "%s", ethtool_sprintf(&p, i40e_gstrings_priv_flags[i].flag_string);
i40e_gstrings_priv_flags[i].flag_string);
p += ETH_GSTRING_LEN;
}
if (pf->hw.pf_id != 0) if (pf->hw.pf_id != 0)
return; return;
for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++) { for (i = 0; i < I40E_GL_PRIV_FLAGS_STR_LEN; i++)
snprintf(p, ETH_GSTRING_LEN, "%s", ethtool_sprintf(&p, i40e_gl_gstrings_priv_flags[i].flag_string);
i40e_gl_gstrings_priv_flags[i].flag_string);
p += ETH_GSTRING_LEN;
}
} }
static void i40e_get_strings(struct net_device *netdev, u32 stringset, static void i40e_get_strings(struct net_device *netdev, u32 stringset,

55
drivers/net/ethernet/intel/ice/ice_ethtool.c
View file

@ -871,68 +871,47 @@ static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{ {
struct ice_netdev_priv *np = netdev_priv(netdev); struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi; struct ice_vsi *vsi = np->vsi;
char *p = (char *)data;
unsigned int i; unsigned int i;
u8 *p = data;
switch (stringset) { switch (stringset) {
case ETH_SS_STATS: case ETH_SS_STATS:
for (i = 0; i < ICE_VSI_STATS_LEN; i++) { for (i = 0; i < ICE_VSI_STATS_LEN; i++)
snprintf(p, ETH_GSTRING_LEN, "%s", ethtool_sprintf(&p,
ice_gstrings_vsi_stats[i].stat_string); ice_gstrings_vsi_stats[i].stat_string);
p += ETH_GSTRING_LEN;
}
ice_for_each_alloc_txq(vsi, i) { ice_for_each_alloc_txq(vsi, i) {
snprintf(p, ETH_GSTRING_LEN, ethtool_sprintf(&p, "tx_queue_%u_packets", i);
"tx_queue_%u_packets", i); ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
} }
ice_for_each_alloc_rxq(vsi, i) { ice_for_each_alloc_rxq(vsi, i) {
snprintf(p, ETH_GSTRING_LEN, ethtool_sprintf(&p, "rx_queue_%u_packets", i);
"rx_queue_%u_packets", i); ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
} }
if (vsi->type != ICE_VSI_PF) if (vsi->type != ICE_VSI_PF)
return; return;
for (i = 0; i < ICE_PF_STATS_LEN; i++) { for (i = 0; i < ICE_PF_STATS_LEN; i++)
snprintf(p, ETH_GSTRING_LEN, "%s", ethtool_sprintf(&p,
ice_gstrings_pf_stats[i].stat_string); ice_gstrings_pf_stats[i].stat_string);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
snprintf(p, ETH_GSTRING_LEN, ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
"tx_priority_%u_xon.nic", i); ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
p += ETH_GSTRING_LEN;
snprintf(p, ETH_GSTRING_LEN,
"tx_priority_%u_xoff.nic", i);
p += ETH_GSTRING_LEN;
} }
for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
snprintf(p, ETH_GSTRING_LEN, ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
"rx_priority_%u_xon.nic", i); ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
p += ETH_GSTRING_LEN;
snprintf(p, ETH_GSTRING_LEN,
"rx_priority_%u_xoff.nic", i);
p += ETH_GSTRING_LEN;
} }
break; break;
case ETH_SS_TEST: case ETH_SS_TEST:
memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
break; break;
case ETH_SS_PRIV_FLAGS: case ETH_SS_PRIV_FLAGS:
for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
snprintf(p, ETH_GSTRING_LEN, "%s", ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
ice_gstrings_priv_flags[i].name);
p += ETH_GSTRING_LEN;
}
break; break;
default: default:
break; break;

40
drivers/net/ethernet/intel/igb/igb_ethtool.c
View file

@ -2347,35 +2347,23 @@ static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
IGB_TEST_LEN*ETH_GSTRING_LEN); IGB_TEST_LEN*ETH_GSTRING_LEN);
break; break;
case ETH_SS_STATS: case ETH_SS_STATS:
for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) { for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++)
memcpy(p, igb_gstrings_stats[i].stat_string, ethtool_sprintf(&p,
ETH_GSTRING_LEN); igb_gstrings_stats[i].stat_string);
p += ETH_GSTRING_LEN; for (i = 0; i < IGB_NETDEV_STATS_LEN; i++)
} ethtool_sprintf(&p,
for (i = 0; i < IGB_NETDEV_STATS_LEN; i++) { igb_gstrings_net_stats[i].stat_string);
memcpy(p, igb_gstrings_net_stats[i].stat_string,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < adapter->num_tx_queues; i++) { for (i = 0; i < adapter->num_tx_queues; i++) {
sprintf(p, "tx_queue_%u_packets", i); ethtool_sprintf(&p, "tx_queue_%u_packets", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
sprintf(p, "tx_queue_%u_bytes", i); ethtool_sprintf(&p, "tx_queue_%u_restart", i);
p += ETH_GSTRING_LEN;
sprintf(p, "tx_queue_%u_restart", i);
p += ETH_GSTRING_LEN;
} }
for (i = 0; i < adapter->num_rx_queues; i++) { for (i = 0; i < adapter->num_rx_queues; i++) {
sprintf(p, "rx_queue_%u_packets", i); ethtool_sprintf(&p, "rx_queue_%u_packets", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
sprintf(p, "rx_queue_%u_bytes", i); ethtool_sprintf(&p, "rx_queue_%u_drops", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "rx_queue_%u_csum_err", i);
sprintf(p, "rx_queue_%u_drops", i); ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_csum_err", i);
p += ETH_GSTRING_LEN;
sprintf(p, "rx_queue_%u_alloc_failed", i);
p += ETH_GSTRING_LEN;
} }
/* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */ /* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
break; break;

40
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
View file

@ -1368,45 +1368,33 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
static void ixgbe_get_strings(struct net_device *netdev, u32 stringset, static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
u8 *data) u8 *data)
{ {
char *p = (char *)data;
unsigned int i; unsigned int i;
u8 *p = data;
switch (stringset) { switch (stringset) {
case ETH_SS_TEST: case ETH_SS_TEST:
for (i = 0; i < IXGBE_TEST_LEN; i++) { for (i = 0; i < IXGBE_TEST_LEN; i++)
memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN); ethtool_sprintf(&p, ixgbe_gstrings_test[i]);
data += ETH_GSTRING_LEN;
}
break; break;
case ETH_SS_STATS: case ETH_SS_STATS:
for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++)
memcpy(p, ixgbe_gstrings_stats[i].stat_string, ethtool_sprintf(&p,
ETH_GSTRING_LEN); ixgbe_gstrings_stats[i].stat_string);
p += ETH_GSTRING_LEN;
}
for (i = 0; i < netdev->num_tx_queues; i++) { for (i = 0; i < netdev->num_tx_queues; i++) {
sprintf(p, "tx_queue_%u_packets", i); ethtool_sprintf(&p, "tx_queue_%u_packets", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
sprintf(p, "tx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
} }
for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) { for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
sprintf(p, "rx_queue_%u_packets", i); ethtool_sprintf(&p, "rx_queue_%u_packets", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
sprintf(p, "rx_queue_%u_bytes", i);
p += ETH_GSTRING_LEN;
} }
for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
sprintf(p, "tx_pb_%u_pxon", i); ethtool_sprintf(&p, "tx_pb_%u_pxon", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "tx_pb_%u_pxoff", i);
sprintf(p, "tx_pb_%u_pxoff", i);
p += ETH_GSTRING_LEN;
} }
for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) { for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
sprintf(p, "rx_pb_%u_pxon", i); ethtool_sprintf(&p, "rx_pb_%u_pxon", i);
p += ETH_GSTRING_LEN; ethtool_sprintf(&p, "rx_pb_%u_pxoff", i);
sprintf(p, "rx_pb_%u_pxoff", i);
p += ETH_GSTRING_LEN;
} }
/* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */ /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
break; break;