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authorLinus Torvalds <torvalds@linux-foundation.org>2021-12-09 11:26:44 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-12-09 11:26:44 -0800
commitded746bfc94398d2ee9de315a187677b207b2004 (patch)
tree30d2516b57e391a573aa4f98ad9039095a2ab2b7 /drivers/net/ethernet/intel/iavf/iavf_ethtool.c
parent27698cd2a3c07d124fad6bfc8dd93fd1c5d46879 (diff)
parent04ec4e6250e5f58b525b08f3dca45c7d7427620e (diff)
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Merge tag 'net-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski: "Including fixes from bpf, can and netfilter. Current release - regressions: - bpf, sockmap: re-evaluate proto ops when psock is removed from sockmap Current release - new code bugs: - bpf: fix bpf_check_mod_kfunc_call for built-in modules - ice: fixes for TC classifier offloads - vrf: don't run conntrack on vrf with !dflt qdisc Previous releases - regressions: - bpf: fix the off-by-two error in range markings - seg6: fix the iif in the IPv6 socket control block - devlink: fix netns refcount leak in devlink_nl_cmd_reload() - dsa: mv88e6xxx: fix "don't use PHY_DETECT on internal PHY's" - dsa: mv88e6xxx: allow use of PHYs on CPU and DSA ports Previous releases - always broken: - ethtool: do not perform operations on net devices being unregistered - udp: use datalen to cap max gso segments - ice: fix races in stats collection - fec: only clear interrupt of handling queue in fec_enet_rx_queue() - m_can: pci: fix incorrect reference clock rate - m_can: disable and ignore ELO interrupt - mvpp2: fix XDP rx queues registering Misc: - treewide: add missing includes masked by cgroup -> bpf.h dependency" * tag 'net-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (82 commits) net: dsa: mv88e6xxx: allow use of PHYs on CPU and DSA ports net: wwan: iosm: fixes unable to send AT command during mbim tx net: wwan: iosm: fixes net interface nonfunctional after fw flash net: wwan: iosm: fixes unnecessary doorbell send net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering MAINTAINERS: s390/net: remove myself as maintainer net/sched: fq_pie: prevent dismantle issue net: mana: Fix memory leak in mana_hwc_create_wq seg6: fix the iif in the IPv6 socket control block nfp: Fix memory leak in nfp_cpp_area_cache_add() nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done nfc: fix segfault in nfc_genl_dump_devices_done udp: using datalen to cap max gso segments net: dsa: mv88e6xxx: error handling for serdes_power functions can: kvaser_usb: get CAN clock frequency from device can: kvaser_pciefd: kvaser_pciefd_rx_error_frame(): increase correct stats->{rx,tx}_errors counter net: mvpp2: fix XDP rx queues registering vmxnet3: fix minimum vectors alloc issue net, neigh: clear whole pneigh_entry at alloc time net: dsa: mv88e6xxx: fix "don't use PHY_DETECT on internal PHY's" ...
Diffstat (limited to 'drivers/net/ethernet/intel/iavf/iavf_ethtool.c')
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_ethtool.c43
1 files changed, 32 insertions, 11 deletions
diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
index 0cecaff38d04..461f5237a2f8 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
@@ -615,23 +615,44 @@ static int iavf_set_ringparam(struct net_device *netdev,
if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
return -EINVAL;
- new_tx_count = clamp_t(u32, ring->tx_pending,
- IAVF_MIN_TXD,
- IAVF_MAX_TXD);
- new_tx_count = ALIGN(new_tx_count, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+ if (ring->tx_pending > IAVF_MAX_TXD ||
+ ring->tx_pending < IAVF_MIN_TXD ||
+ ring->rx_pending > IAVF_MAX_RXD ||
+ ring->rx_pending < IAVF_MIN_RXD) {
+ netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
+ ring->tx_pending, ring->rx_pending, IAVF_MIN_TXD,
+ IAVF_MAX_RXD, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+ return -EINVAL;
+ }
- new_rx_count = clamp_t(u32, ring->rx_pending,
- IAVF_MIN_RXD,
- IAVF_MAX_RXD);
- new_rx_count = ALIGN(new_rx_count, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+ new_tx_count = ALIGN(ring->tx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+ if (new_tx_count != ring->tx_pending)
+ netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
+ new_tx_count);
+
+ new_rx_count = ALIGN(ring->rx_pending, IAVF_REQ_DESCRIPTOR_MULTIPLE);
+ if (new_rx_count != ring->rx_pending)
+ netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
+ new_rx_count);
/* if nothing to do return success */
if ((new_tx_count == adapter->tx_desc_count) &&
- (new_rx_count == adapter->rx_desc_count))
+ (new_rx_count == adapter->rx_desc_count)) {
+ netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
return 0;
+ }
- adapter->tx_desc_count = new_tx_count;
- adapter->rx_desc_count = new_rx_count;
+ if (new_tx_count != adapter->tx_desc_count) {
+ netdev_dbg(netdev, "Changing Tx descriptor count from %d to %d\n",
+ adapter->tx_desc_count, new_tx_count);
+ adapter->tx_desc_count = new_tx_count;
+ }
+
+ if (new_rx_count != adapter->rx_desc_count) {
+ netdev_dbg(netdev, "Changing Rx descriptor count from %d to %d\n",
+ adapter->rx_desc_count, new_rx_count);
+ adapter->rx_desc_count = new_rx_count;
+ }
if (netif_running(netdev)) {
adapter->flags |= IAVF_FLAG_RESET_NEEDED;