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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-18 12:34:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-18 12:34:53 -0700 |
commit | 81160dda9a7aad13c04e78bb2cfd3c4630e3afab (patch) | |
tree | 4bf79ffa9fc7dc5e2915ff978778c3402c491113 /drivers/net/ethernet/intel/igc/igc_mac.c | |
parent | 8b53c76533aa4356602aea98f98a2f3b4051464c (diff) | |
parent | 1bab8d4c488be22d57f9dd09968c90a0ddc413bf (diff) | |
download | linux-81160dda9a7aad13c04e78bb2cfd3c4630e3afab.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:
1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.
2) Use bio_vec in the networking instead of custom skb_frag_t, from
Matthew Wilcox.
3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.
4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.
5) Support all variants of 5750X bnxt_en chips, from Michael Chan.
6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
Buslov.
7) Add TCP syn cookies bpf helper, from Petar Penkov.
8) Add 'nettest' to selftests and use it, from David Ahern.
9) Add extack support to drop_monitor, add packet alert mode and
support for HW drops, from Ido Schimmel.
10) Add VLAN offload to stmmac, from Jose Abreu.
11) Lots of devm_platform_ioremap_resource() conversions, from
YueHaibing.
12) Add IONIC driver, from Shannon Nelson.
13) Several kTLS cleanups, from Jakub Kicinski.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
mlxsw: spectrum: Register CPU port with devlink
mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
net: ena: fix incorrect update of intr_delay_resolution
net: ena: fix retrieval of nonadaptive interrupt moderation intervals
net: ena: fix update of interrupt moderation register
net: ena: remove all old adaptive rx interrupt moderation code from ena_com
net: ena: remove ena_restore_ethtool_params() and relevant fields
net: ena: remove old adaptive interrupt moderation code from ena_netdev
net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
net: ena: enable the interrupt_moderation in driver_supported_features
net: ena: reimplement set/get_coalesce()
net: ena: switch to dim algorithm for rx adaptive interrupt moderation
net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
ethtool: implement Energy Detect Powerdown support via phy-tunable
xen-netfront: do not assume sk_buff_head list is empty in error handling
s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
net: ena: don't wake up tx queue when down
drop_monitor: Better sanitize notified packets
...
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_mac.c')
-rw-r--r-- | drivers/net/ethernet/intel/igc/igc_mac.c | 73 |
1 files changed, 35 insertions, 38 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c index ba4646737288..5eeb4c8caf4a 100644 --- a/drivers/net/ethernet/intel/igc/igc_mac.c +++ b/drivers/net/ethernet/intel/igc/igc_mac.c @@ -7,9 +7,6 @@ #include "igc_mac.h" #include "igc_hw.h" -/* forward declaration */ -static s32 igc_set_fc_watermarks(struct igc_hw *hw); - /** * igc_disable_pcie_master - Disables PCI-express master access * @hw: pointer to the HW structure @@ -75,6 +72,41 @@ void igc_init_rx_addrs(struct igc_hw *hw, u16 rar_count) } /** + * igc_set_fc_watermarks - Set flow control high/low watermarks + * @hw: pointer to the HW structure + * + * Sets the flow control high/low threshold (watermark) registers. If + * flow control XON frame transmission is enabled, then set XON frame + * transmission as well. + */ +static s32 igc_set_fc_watermarks(struct igc_hw *hw) +{ + u32 fcrtl = 0, fcrth = 0; + + /* Set the flow control receive threshold registers. Normally, + * these registers will be set to a default threshold that may be + * adjusted later by the driver's runtime code. However, if the + * ability to transmit pause frames is not enabled, then these + * registers will be set to 0. + */ + if (hw->fc.current_mode & igc_fc_tx_pause) { + /* We need to set up the Receive Threshold high and low water + * marks as well as (optionally) enabling the transmission of + * XON frames. + */ + fcrtl = hw->fc.low_water; + if (hw->fc.send_xon) + fcrtl |= IGC_FCRTL_XONE; + + fcrth = hw->fc.high_water; + } + wr32(IGC_FCRTL, fcrtl); + wr32(IGC_FCRTH, fcrth); + + return 0; +} + +/** * igc_setup_link - Setup flow control and link settings * @hw: pointer to the HW structure * @@ -195,41 +227,6 @@ out: } /** - * igc_set_fc_watermarks - Set flow control high/low watermarks - * @hw: pointer to the HW structure - * - * Sets the flow control high/low threshold (watermark) registers. If - * flow control XON frame transmission is enabled, then set XON frame - * transmission as well. - */ -static s32 igc_set_fc_watermarks(struct igc_hw *hw) -{ - u32 fcrtl = 0, fcrth = 0; - - /* Set the flow control receive threshold registers. Normally, - * these registers will be set to a default threshold that may be - * adjusted later by the driver's runtime code. However, if the - * ability to transmit pause frames is not enabled, then these - * registers will be set to 0. - */ - if (hw->fc.current_mode & igc_fc_tx_pause) { - /* We need to set up the Receive Threshold high and low water - * marks as well as (optionally) enabling the transmission of - * XON frames. - */ - fcrtl = hw->fc.low_water; - if (hw->fc.send_xon) - fcrtl |= IGC_FCRTL_XONE; - - fcrth = hw->fc.high_water; - } - wr32(IGC_FCRTL, fcrtl); - wr32(IGC_FCRTH, fcrth); - - return 0; -} - -/** * igc_clear_hw_cntrs_base - Clear base hardware counters * @hw: pointer to the HW structure * |