Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2015-04-11 This series contains updates to iflink, ixgbe and ixgbevf. The entire set of changes come from Vlad Zolotarov to ultimately add the ethtool ops to VF driver to allow querying the RSS indirection table and RSS random key. Currently we support only 82599 and x540 devices. On those devices, VFs share the RSS redirection table and hash key with a PF. Letting the VF query this information may introduce some security risks, therefore this feature will be disabled by default. The new netdev op allows a system administrator to change the default behaviour with "ip link set" command. The relevant iproute2 patch has already been sent and awaits for this series upstream. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
commit
e60a9de49c
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@ -151,6 +151,7 @@ struct vf_data_storage {
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u16 tx_rate;
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u16 vlan_count;
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u8 spoofchk_enabled;
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bool rss_query_enabled;
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unsigned int vf_api;
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};
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@ -766,6 +767,15 @@ struct ixgbe_adapter {
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u8 default_up;
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unsigned long fwd_bitmask; /* Bitmask indicating in use pools */
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/* maximum number of RETA entries among all devices supported by ixgbe
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* driver: currently it's x550 device in non-SRIOV mode
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*/
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#define IXGBE_MAX_RETA_ENTRIES 512
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u8 rss_indir_tbl[IXGBE_MAX_RETA_ENTRIES];
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#define IXGBE_RSS_KEY_SIZE 40 /* size of RSS Hash Key in bytes */
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u32 rss_key[IXGBE_RSS_KEY_SIZE / sizeof(u32)];
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};
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static inline u8 ixgbe_max_rss_indices(struct ixgbe_adapter *adapter)
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@ -955,4 +965,5 @@ void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter);
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netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb,
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struct ixgbe_adapter *adapter,
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struct ixgbe_ring *tx_ring);
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u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter);
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#endif /* _IXGBE_H_ */
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@ -2853,6 +2853,45 @@ static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
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return ret;
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}
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static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
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{
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struct ixgbe_adapter *adapter = netdev_priv(netdev);
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return sizeof(adapter->rss_key);
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}
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static u32 ixgbe_rss_indir_size(struct net_device *netdev)
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{
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struct ixgbe_adapter *adapter = netdev_priv(netdev);
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return ixgbe_rss_indir_tbl_entries(adapter);
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}
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static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
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{
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int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
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for (i = 0; i < reta_size; i++)
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indir[i] = adapter->rss_indir_tbl[i];
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}
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static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
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u8 *hfunc)
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{
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struct ixgbe_adapter *adapter = netdev_priv(netdev);
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if (hfunc)
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*hfunc = ETH_RSS_HASH_TOP;
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if (indir)
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ixgbe_get_reta(adapter, indir);
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if (key)
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memcpy(key, adapter->rss_key, ixgbe_get_rxfh_key_size(netdev));
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return 0;
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}
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static int ixgbe_get_ts_info(struct net_device *dev,
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struct ethtool_ts_info *info)
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{
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@ -3110,6 +3149,9 @@ static const struct ethtool_ops ixgbe_ethtool_ops = {
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.set_coalesce = ixgbe_set_coalesce,
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.get_rxnfc = ixgbe_get_rxnfc,
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.set_rxnfc = ixgbe_set_rxnfc,
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.get_rxfh_indir_size = ixgbe_rss_indir_size,
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.get_rxfh_key_size = ixgbe_get_rxfh_key_size,
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.get_rxfh = ixgbe_get_rxfh,
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.get_channels = ixgbe_get_channels,
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.set_channels = ixgbe_set_channels,
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.get_ts_info = ixgbe_get_ts_info,
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@ -3228,17 +3228,98 @@ static void ixgbe_configure_srrctl(struct ixgbe_adapter *adapter,
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IXGBE_WRITE_REG(hw, IXGBE_SRRCTL(reg_idx), srrctl);
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}
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static void ixgbe_setup_reta(struct ixgbe_adapter *adapter, const u32 *seed)
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/**
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* Return a number of entries in the RSS indirection table
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*
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* @adapter: device handle
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*
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* - 82598/82599/X540: 128
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* - X550(non-SRIOV mode): 512
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* - X550(SRIOV mode): 64
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*/
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u32 ixgbe_rss_indir_tbl_entries(struct ixgbe_adapter *adapter)
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{
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if (adapter->hw.mac.type < ixgbe_mac_X550)
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return 128;
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else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
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return 64;
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else
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return 512;
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}
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/**
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* Write the RETA table to HW
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*
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* @adapter: device handle
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*
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* Write the RSS redirection table stored in adapter.rss_indir_tbl[] to HW.
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*/
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static void ixgbe_store_reta(struct ixgbe_adapter *adapter)
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{
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u32 i, reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
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struct ixgbe_hw *hw = &adapter->hw;
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u32 reta = 0;
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int i, j;
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int reta_entries = 128;
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u16 rss_i = adapter->ring_feature[RING_F_RSS].indices;
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int indices_multi;
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u32 indices_multi;
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u8 *indir_tbl = adapter->rss_indir_tbl;
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/*
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* Program table for at least 2 queues w/ SR-IOV so that VFs can
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/* Fill out the redirection table as follows:
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* - 82598: 8 bit wide entries containing pair of 4 bit RSS
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* indices.
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* - 82599/X540: 8 bit wide entries containing 4 bit RSS index
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* - X550: 8 bit wide entries containing 6 bit RSS index
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*/
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if (adapter->hw.mac.type == ixgbe_mac_82598EB)
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indices_multi = 0x11;
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else
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indices_multi = 0x1;
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/* Write redirection table to HW */
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for (i = 0; i < reta_entries; i++) {
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reta |= indices_multi * indir_tbl[i] << (i & 0x3) * 8;
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if ((i & 3) == 3) {
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if (i < 128)
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IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
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else
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IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32),
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reta);
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reta = 0;
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}
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}
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}
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/**
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* Write the RETA table to HW (for x550 devices in SRIOV mode)
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*
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* @adapter: device handle
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*
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* Write the RSS redirection table stored in adapter.rss_indir_tbl[] to HW.
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*/
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static void ixgbe_store_vfreta(struct ixgbe_adapter *adapter)
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{
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u32 i, reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
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struct ixgbe_hw *hw = &adapter->hw;
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u32 vfreta = 0;
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unsigned int pf_pool = adapter->num_vfs;
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/* Write redirection table to HW */
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for (i = 0; i < reta_entries; i++) {
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vfreta |= (u32)adapter->rss_indir_tbl[i] << (i & 0x3) * 8;
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if ((i & 3) == 3) {
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IXGBE_WRITE_REG(hw, IXGBE_PFVFRETA(i >> 2, pf_pool),
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vfreta);
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vfreta = 0;
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}
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}
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}
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static void ixgbe_setup_reta(struct ixgbe_adapter *adapter)
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{
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struct ixgbe_hw *hw = &adapter->hw;
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u32 i, j;
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u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
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u16 rss_i = adapter->ring_feature[RING_F_RSS].indices;
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/* Program table for at least 2 queues w/ SR-IOV so that VFs can
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* make full use of any rings they may have. We will use the
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* PSRTYPE register to control how many rings we use within the PF.
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*/
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@ -3247,70 +3328,48 @@ static void ixgbe_setup_reta(struct ixgbe_adapter *adapter, const u32 *seed)
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/* Fill out hash function seeds */
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for (i = 0; i < 10; i++)
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IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), seed[i]);
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/* Fill out the redirection table as follows:
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* 82598: 128 (8 bit wide) entries containing pair of 4 bit RSS indices
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* 82599/X540: 128 (8 bit wide) entries containing 4 bit RSS index
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* X550: 512 (8 bit wide) entries containing 6 bit RSS index
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*/
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if (adapter->hw.mac.type == ixgbe_mac_82598EB)
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indices_multi = 0x11;
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else
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indices_multi = 0x1;
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switch (adapter->hw.mac.type) {
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case ixgbe_mac_X550:
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case ixgbe_mac_X550EM_x:
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if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
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reta_entries = 512;
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default:
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break;
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}
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IXGBE_WRITE_REG(hw, IXGBE_RSSRK(i), adapter->rss_key[i]);
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/* Fill out redirection table */
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memset(adapter->rss_indir_tbl, 0, sizeof(adapter->rss_indir_tbl));
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for (i = 0, j = 0; i < reta_entries; i++, j++) {
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if (j == rss_i)
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j = 0;
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reta = (reta << 8) | (j * indices_multi);
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if ((i & 3) == 3) {
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if (i < 128)
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IXGBE_WRITE_REG(hw, IXGBE_RETA(i >> 2), reta);
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else
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IXGBE_WRITE_REG(hw, IXGBE_ERETA((i >> 2) - 32),
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reta);
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}
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adapter->rss_indir_tbl[i] = j;
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}
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ixgbe_store_reta(adapter);
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}
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static void ixgbe_setup_vfreta(struct ixgbe_adapter *adapter, const u32 *seed)
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static void ixgbe_setup_vfreta(struct ixgbe_adapter *adapter)
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{
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struct ixgbe_hw *hw = &adapter->hw;
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u32 vfreta = 0;
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u16 rss_i = adapter->ring_feature[RING_F_RSS].indices;
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unsigned int pf_pool = adapter->num_vfs;
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int i, j;
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/* Fill out hash function seeds */
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for (i = 0; i < 10; i++)
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IXGBE_WRITE_REG(hw, IXGBE_PFVFRSSRK(i, pf_pool), seed[i]);
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IXGBE_WRITE_REG(hw, IXGBE_PFVFRSSRK(i, pf_pool),
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adapter->rss_key[i]);
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/* Fill out the redirection table */
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for (i = 0, j = 0; i < 64; i++, j++) {
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if (j == rss_i)
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j = 0;
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vfreta = (vfreta << 8) | j;
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if ((i & 3) == 3)
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IXGBE_WRITE_REG(hw, IXGBE_PFVFRETA(i >> 2, pf_pool),
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vfreta);
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adapter->rss_indir_tbl[i] = j;
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}
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ixgbe_store_vfreta(adapter);
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}
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static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
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{
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struct ixgbe_hw *hw = &adapter->hw;
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u32 mrqc = 0, rss_field = 0, vfmrqc = 0;
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u32 rss_key[10];
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u32 rxcsum;
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/* Disable indicating checksum in descriptor, enables RSS hash */
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@ -3354,7 +3413,7 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
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if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
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rss_field |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
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netdev_rss_key_fill(rss_key, sizeof(rss_key));
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netdev_rss_key_fill(adapter->rss_key, sizeof(adapter->rss_key));
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if ((hw->mac.type >= ixgbe_mac_X550) &&
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(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) {
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unsigned int pf_pool = adapter->num_vfs;
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@ -3364,12 +3423,12 @@ static void ixgbe_setup_mrqc(struct ixgbe_adapter *adapter)
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IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
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/* Setup RSS through the VF registers */
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ixgbe_setup_vfreta(adapter, rss_key);
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ixgbe_setup_vfreta(adapter);
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vfmrqc = IXGBE_MRQC_RSSEN;
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vfmrqc |= rss_field;
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IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), vfmrqc);
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} else {
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ixgbe_setup_reta(adapter, rss_key);
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ixgbe_setup_reta(adapter);
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mrqc |= rss_field;
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IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
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}
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@ -3599,6 +3658,10 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
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/* enable ethertype anti spoofing if hw supports it */
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if (hw->mac.ops.set_ethertype_anti_spoofing)
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hw->mac.ops.set_ethertype_anti_spoofing(hw, true, i);
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/* Enable/Disable RSS query feature */
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ixgbe_ndo_set_vf_rss_query_en(adapter->netdev, i,
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adapter->vfinfo[i].rss_query_enabled);
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}
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}
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|
@ -8101,6 +8164,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
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.ndo_set_vf_vlan = ixgbe_ndo_set_vf_vlan,
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.ndo_set_vf_rate = ixgbe_ndo_set_vf_bw,
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.ndo_set_vf_spoofchk = ixgbe_ndo_set_vf_spoofchk,
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.ndo_set_vf_rss_query_en = ixgbe_ndo_set_vf_rss_query_en,
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.ndo_get_vf_config = ixgbe_ndo_get_vf_config,
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.ndo_get_stats64 = ixgbe_get_stats64,
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#ifdef CONFIG_IXGBE_DCB
|
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|
|
|
@ -73,6 +73,7 @@ enum ixgbe_pfvf_api_rev {
|
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ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */
|
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ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
|
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ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
|
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ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
|
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/* This value should always be last */
|
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ixgbe_mbox_api_unknown, /* indicates that API version is not known */
|
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};
|
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|
@ -97,6 +98,10 @@ enum ixgbe_pfvf_api_rev {
|
|||
#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */
|
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#define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */
|
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|
||||
/* mailbox API, version 1.2 VF requests */
|
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#define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */
|
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#define IXGBE_VF_GET_RSS_KEY 0x0b /* get RSS key */
|
||||
|
||||
/* length of permanent address message returned from PF */
|
||||
#define IXGBE_VF_PERMADDR_MSG_LEN 4
|
||||
/* word in permanent address message with the current multicast type */
|
||||
|
|
|
@ -106,9 +106,18 @@ static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter)
|
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adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
|
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IXGBE_FLAG2_RSC_ENABLED);
|
||||
|
||||
/* enable spoof checking for all VFs */
|
||||
for (i = 0; i < adapter->num_vfs; i++)
|
||||
for (i = 0; i < adapter->num_vfs; i++) {
|
||||
/* enable spoof checking for all VFs */
|
||||
adapter->vfinfo[i].spoofchk_enabled = true;
|
||||
|
||||
/* We support VF RSS querying only for 82599 and x540
|
||||
* devices at the moment. These devices share RSS
|
||||
* indirection table and RSS hash key with PF therefore
|
||||
* we want to disable the querying by default.
|
||||
*/
|
||||
adapter->vfinfo[i].rss_query_enabled = 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -425,6 +434,7 @@ static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
|
|||
#endif /* CONFIG_FCOE */
|
||||
switch (adapter->vfinfo[vf].vf_api) {
|
||||
case ixgbe_mbox_api_11:
|
||||
case ixgbe_mbox_api_12:
|
||||
/*
|
||||
* Version 1.1 supports jumbo frames on VFs if PF has
|
||||
* jumbo frames enabled which means legacy VFs are
|
||||
|
@ -892,6 +902,7 @@ static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter,
|
|||
switch (api) {
|
||||
case ixgbe_mbox_api_10:
|
||||
case ixgbe_mbox_api_11:
|
||||
case ixgbe_mbox_api_12:
|
||||
adapter->vfinfo[vf].vf_api = api;
|
||||
return 0;
|
||||
default:
|
||||
|
@ -915,6 +926,7 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
|
|||
switch (adapter->vfinfo[vf].vf_api) {
|
||||
case ixgbe_mbox_api_20:
|
||||
case ixgbe_mbox_api_11:
|
||||
case ixgbe_mbox_api_12:
|
||||
break;
|
||||
default:
|
||||
return -1;
|
||||
|
@ -942,6 +954,53 @@ static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf)
|
||||
{
|
||||
u32 i, j;
|
||||
u32 *out_buf = &msgbuf[1];
|
||||
const u8 *reta = adapter->rss_indir_tbl;
|
||||
u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter);
|
||||
|
||||
/* Check if operation is permitted */
|
||||
if (!adapter->vfinfo[vf].rss_query_enabled)
|
||||
return -EPERM;
|
||||
|
||||
/* verify the PF is supporting the correct API */
|
||||
if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
/* This mailbox command is supported (required) only for 82599 and x540
|
||||
* VFs which support up to 4 RSS queues. Therefore we will compress the
|
||||
* RETA by saving only 2 bits from each entry. This way we will be able
|
||||
* to transfer the whole RETA in a single mailbox operation.
|
||||
*/
|
||||
for (i = 0; i < reta_size / 16; i++) {
|
||||
out_buf[i] = 0;
|
||||
for (j = 0; j < 16; j++)
|
||||
out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter,
|
||||
u32 *msgbuf, u32 vf)
|
||||
{
|
||||
u32 *rss_key = &msgbuf[1];
|
||||
|
||||
/* Check if the operation is permitted */
|
||||
if (!adapter->vfinfo[vf].rss_query_enabled)
|
||||
return -EPERM;
|
||||
|
||||
/* verify the PF is supporting the correct API */
|
||||
if (adapter->vfinfo[vf].vf_api != ixgbe_mbox_api_12)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
memcpy(rss_key, adapter->rss_key, sizeof(adapter->rss_key));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
|
||||
{
|
||||
u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
|
||||
|
@ -998,6 +1057,12 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
|
|||
case IXGBE_VF_GET_QUEUES:
|
||||
retval = ixgbe_get_vf_queues(adapter, msgbuf, vf);
|
||||
break;
|
||||
case IXGBE_VF_GET_RETA:
|
||||
retval = ixgbe_get_vf_reta(adapter, msgbuf, vf);
|
||||
break;
|
||||
case IXGBE_VF_GET_RSS_KEY:
|
||||
retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf);
|
||||
break;
|
||||
default:
|
||||
e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
|
||||
retval = IXGBE_ERR_MBX;
|
||||
|
@ -1331,6 +1396,26 @@ int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
|
||||
bool setting)
|
||||
{
|
||||
struct ixgbe_adapter *adapter = netdev_priv(netdev);
|
||||
|
||||
/* This operation is currently supported only for 82599 and x540
|
||||
* devices.
|
||||
*/
|
||||
if (adapter->hw.mac.type < ixgbe_mac_82599EB ||
|
||||
adapter->hw.mac.type >= ixgbe_mac_X550)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
if (vf >= adapter->num_vfs)
|
||||
return -EINVAL;
|
||||
|
||||
adapter->vfinfo[vf].rss_query_enabled = setting;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int ixgbe_ndo_get_vf_config(struct net_device *netdev,
|
||||
int vf, struct ifla_vf_info *ivi)
|
||||
{
|
||||
|
@ -1344,5 +1429,6 @@ int ixgbe_ndo_get_vf_config(struct net_device *netdev,
|
|||
ivi->vlan = adapter->vfinfo[vf].pf_vlan;
|
||||
ivi->qos = adapter->vfinfo[vf].pf_qos;
|
||||
ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
|
||||
ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled;
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -47,6 +47,8 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int queue, u16 vlan,
|
|||
int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate,
|
||||
int max_tx_rate);
|
||||
int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting);
|
||||
int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf,
|
||||
bool setting);
|
||||
int ixgbe_ndo_get_vf_config(struct net_device *netdev,
|
||||
int vf, struct ifla_vf_info *ivi);
|
||||
void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter);
|
||||
|
|
|
@ -794,6 +794,71 @@ static int ixgbevf_set_coalesce(struct net_device *netdev,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
|
||||
u32 *rules __always_unused)
|
||||
{
|
||||
struct ixgbevf_adapter *adapter = netdev_priv(dev);
|
||||
|
||||
switch (info->cmd) {
|
||||
case ETHTOOL_GRXRINGS:
|
||||
info->data = adapter->num_rx_queues;
|
||||
return 0;
|
||||
default:
|
||||
hw_dbg(&adapter->hw, "Command parameters not supported\n");
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
}
|
||||
|
||||
static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
|
||||
{
|
||||
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
||||
|
||||
/* We support this operation only for 82599 and x540 at the moment */
|
||||
if (adapter->hw.mac.type < ixgbe_mac_X550_vf)
|
||||
return IXGBEVF_82599_RETA_SIZE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
|
||||
{
|
||||
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
||||
|
||||
/* We support this operation only for 82599 and x540 at the moment */
|
||||
if (adapter->hw.mac.type < ixgbe_mac_X550_vf)
|
||||
return IXGBEVF_RSS_HASH_KEY_SIZE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
|
||||
u8 *hfunc)
|
||||
{
|
||||
struct ixgbevf_adapter *adapter = netdev_priv(netdev);
|
||||
int err = 0;
|
||||
|
||||
if (hfunc)
|
||||
*hfunc = ETH_RSS_HASH_TOP;
|
||||
|
||||
/* If neither indirection table nor hash key was requested - just
|
||||
* return a success avoiding taking any locks.
|
||||
*/
|
||||
if (!indir && !key)
|
||||
return 0;
|
||||
|
||||
spin_lock_bh(&adapter->mbx_lock);
|
||||
if (indir)
|
||||
err = ixgbevf_get_reta_locked(&adapter->hw, indir,
|
||||
adapter->num_rx_queues);
|
||||
|
||||
if (!err && key)
|
||||
err = ixgbevf_get_rss_key_locked(&adapter->hw, key);
|
||||
|
||||
spin_unlock_bh(&adapter->mbx_lock);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static const struct ethtool_ops ixgbevf_ethtool_ops = {
|
||||
.get_settings = ixgbevf_get_settings,
|
||||
.get_drvinfo = ixgbevf_get_drvinfo,
|
||||
|
@ -811,6 +876,10 @@ static const struct ethtool_ops ixgbevf_ethtool_ops = {
|
|||
.get_ethtool_stats = ixgbevf_get_ethtool_stats,
|
||||
.get_coalesce = ixgbevf_get_coalesce,
|
||||
.set_coalesce = ixgbevf_set_coalesce,
|
||||
.get_rxnfc = ixgbevf_get_rxnfc,
|
||||
.get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
|
||||
.get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
|
||||
.get_rxfh = ixgbevf_get_rxfh,
|
||||
};
|
||||
|
||||
void ixgbevf_set_ethtool_ops(struct net_device *netdev)
|
||||
|
|
|
@ -145,6 +145,8 @@ struct ixgbevf_ring {
|
|||
#define MAX_RX_QUEUES IXGBE_VF_MAX_RX_QUEUES
|
||||
#define MAX_TX_QUEUES IXGBE_VF_MAX_TX_QUEUES
|
||||
#define IXGBEVF_MAX_RSS_QUEUES 2
|
||||
#define IXGBEVF_82599_RETA_SIZE 128
|
||||
#define IXGBEVF_RSS_HASH_KEY_SIZE 40
|
||||
|
||||
#define IXGBEVF_DEFAULT_TXD 1024
|
||||
#define IXGBEVF_DEFAULT_RXD 512
|
||||
|
|
|
@ -2030,7 +2030,8 @@ static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
|
|||
static void ixgbevf_negotiate_api(struct ixgbevf_adapter *adapter)
|
||||
{
|
||||
struct ixgbe_hw *hw = &adapter->hw;
|
||||
int api[] = { ixgbe_mbox_api_11,
|
||||
int api[] = { ixgbe_mbox_api_12,
|
||||
ixgbe_mbox_api_11,
|
||||
ixgbe_mbox_api_10,
|
||||
ixgbe_mbox_api_unknown };
|
||||
int err = 0, idx = 0;
|
||||
|
@ -2332,6 +2333,7 @@ static void ixgbevf_set_num_queues(struct ixgbevf_adapter *adapter)
|
|||
|
||||
switch (hw->api_version) {
|
||||
case ixgbe_mbox_api_11:
|
||||
case ixgbe_mbox_api_12:
|
||||
adapter->num_rx_queues = rss;
|
||||
adapter->num_tx_queues = rss;
|
||||
default:
|
||||
|
@ -3712,6 +3714,7 @@ static int ixgbevf_change_mtu(struct net_device *netdev, int new_mtu)
|
|||
|
||||
switch (adapter->hw.api_version) {
|
||||
case ixgbe_mbox_api_11:
|
||||
case ixgbe_mbox_api_12:
|
||||
max_possible_frame = IXGBE_MAX_JUMBO_FRAME_SIZE;
|
||||
break;
|
||||
default:
|
||||
|
|
|
@ -83,6 +83,7 @@ enum ixgbe_pfvf_api_rev {
|
|||
ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */
|
||||
ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
|
||||
ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
|
||||
ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
|
||||
/* This value should always be last */
|
||||
ixgbe_mbox_api_unknown, /* indicates that API version is not known */
|
||||
};
|
||||
|
@ -107,6 +108,10 @@ enum ixgbe_pfvf_api_rev {
|
|||
#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port VLAN */
|
||||
#define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */
|
||||
|
||||
/* mailbox API, version 1.2 VF requests */
|
||||
#define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */
|
||||
#define IXGBE_VF_GET_RSS_KEY 0x0b /* get RSS hash key */
|
||||
|
||||
/* length of permanent address message returned from PF */
|
||||
#define IXGBE_VF_PERMADDR_MSG_LEN 4
|
||||
/* word in permanent address message with the current multicast type */
|
||||
|
|
|
@ -256,6 +256,129 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
|
|||
return ret_val;
|
||||
}
|
||||
|
||||
/**
|
||||
* ixgbevf_get_reta_locked - get the RSS redirection table (RETA) contents.
|
||||
* @adapter: pointer to the port handle
|
||||
* @reta: buffer to fill with RETA contents.
|
||||
* @num_rx_queues: Number of Rx queues configured for this port
|
||||
*
|
||||
* The "reta" buffer should be big enough to contain 32 registers.
|
||||
*
|
||||
* Returns: 0 on success.
|
||||
* if API doesn't support this operation - (-EOPNOTSUPP).
|
||||
*/
|
||||
int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues)
|
||||
{
|
||||
int err, i, j;
|
||||
u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
|
||||
u32 *hw_reta = &msgbuf[1];
|
||||
u32 mask = 0;
|
||||
|
||||
/* We have to use a mailbox for 82599 and x540 devices only.
|
||||
* For these devices RETA has 128 entries.
|
||||
* Also these VFs support up to 4 RSS queues. Therefore PF will compress
|
||||
* 16 RETA entries in each DWORD giving 2 bits to each entry.
|
||||
*/
|
||||
int dwords = IXGBEVF_82599_RETA_SIZE / 16;
|
||||
|
||||
/* We support the RSS querying for 82599 and x540 devices only.
|
||||
* Thus return an error if API doesn't support RETA querying or querying
|
||||
* is not supported for this device type.
|
||||
*/
|
||||
if (hw->api_version != ixgbe_mbox_api_12 ||
|
||||
hw->mac.type >= ixgbe_mac_X550_vf)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
msgbuf[0] = IXGBE_VF_GET_RETA;
|
||||
|
||||
err = hw->mbx.ops.write_posted(hw, msgbuf, 1);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = hw->mbx.ops.read_posted(hw, msgbuf, dwords + 1);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
|
||||
|
||||
/* If the operation has been refused by a PF return -EPERM */
|
||||
if (msgbuf[0] == (IXGBE_VF_GET_RETA | IXGBE_VT_MSGTYPE_NACK))
|
||||
return -EPERM;
|
||||
|
||||
/* If we didn't get an ACK there must have been
|
||||
* some sort of mailbox error so we should treat it
|
||||
* as such.
|
||||
*/
|
||||
if (msgbuf[0] != (IXGBE_VF_GET_RETA | IXGBE_VT_MSGTYPE_ACK))
|
||||
return IXGBE_ERR_MBX;
|
||||
|
||||
/* ixgbevf doesn't support more than 2 queues at the moment */
|
||||
if (num_rx_queues > 1)
|
||||
mask = 0x1;
|
||||
|
||||
for (i = 0; i < dwords; i++)
|
||||
for (j = 0; j < 16; j++)
|
||||
reta[i * 16 + j] = (hw_reta[i] >> (2 * j)) & mask;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* ixgbevf_get_rss_key_locked - get the RSS Random Key
|
||||
* @hw: pointer to the HW structure
|
||||
* @rss_key: buffer to fill with RSS Hash Key contents.
|
||||
*
|
||||
* The "rss_key" buffer should be big enough to contain 10 registers.
|
||||
*
|
||||
* Returns: 0 on success.
|
||||
* if API doesn't support this operation - (-EOPNOTSUPP).
|
||||
*/
|
||||
int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key)
|
||||
{
|
||||
int err;
|
||||
u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
|
||||
|
||||
/* We currently support the RSS Random Key retrieval for 82599 and x540
|
||||
* devices only.
|
||||
*
|
||||
* Thus return an error if API doesn't support RSS Random Key retrieval
|
||||
* or if the operation is not supported for this device type.
|
||||
*/
|
||||
if (hw->api_version != ixgbe_mbox_api_12 ||
|
||||
hw->mac.type >= ixgbe_mac_X550_vf)
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
msgbuf[0] = IXGBE_VF_GET_RSS_KEY;
|
||||
err = hw->mbx.ops.write_posted(hw, msgbuf, 1);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
err = hw->mbx.ops.read_posted(hw, msgbuf, 11);
|
||||
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
|
||||
|
||||
/* If the operation has been refused by a PF return -EPERM */
|
||||
if (msgbuf[0] == (IXGBE_VF_GET_RETA | IXGBE_VT_MSGTYPE_NACK))
|
||||
return -EPERM;
|
||||
|
||||
/* If we didn't get an ACK there must have been
|
||||
* some sort of mailbox error so we should treat it
|
||||
* as such.
|
||||
*/
|
||||
if (msgbuf[0] != (IXGBE_VF_GET_RSS_KEY | IXGBE_VT_MSGTYPE_ACK))
|
||||
return IXGBE_ERR_MBX;
|
||||
|
||||
memcpy(rss_key, msgbuf + 1, IXGBEVF_RSS_HASH_KEY_SIZE);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* ixgbevf_set_rar_vf - set device MAC address
|
||||
* @hw: pointer to hardware structure
|
||||
|
@ -545,6 +668,7 @@ int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
|
|||
/* do nothing if API doesn't support ixgbevf_get_queues */
|
||||
switch (hw->api_version) {
|
||||
case ixgbe_mbox_api_11:
|
||||
case ixgbe_mbox_api_12:
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
|
|
|
@ -210,4 +210,6 @@ void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
|
|||
int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
|
||||
int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
|
||||
unsigned int *default_tc);
|
||||
int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues);
|
||||
int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key);
|
||||
#endif /* __IXGBE_VF_H__ */
|
||||
|
|
|
@ -14,5 +14,6 @@ struct ifla_vf_info {
|
|||
__u32 linkstate;
|
||||
__u32 min_tx_rate;
|
||||
__u32 max_tx_rate;
|
||||
__u32 rss_query_en;
|
||||
};
|
||||
#endif /* _LINUX_IF_LINK_H */
|
||||
|
|
|
@ -878,6 +878,11 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
|
|||
* int (*ndo_set_vf_link_state)(struct net_device *dev, int vf, int link_state);
|
||||
* int (*ndo_set_vf_port)(struct net_device *dev, int vf,
|
||||
* struct nlattr *port[]);
|
||||
*
|
||||
* Enable or disable the VF ability to query its RSS Redirection Table and
|
||||
* Hash Key. This is needed since on some devices VF share this information
|
||||
* with PF and querying it may adduce a theoretical security risk.
|
||||
* int (*ndo_set_vf_rss_query_en)(struct net_device *dev, int vf, bool setting);
|
||||
* int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb);
|
||||
* int (*ndo_setup_tc)(struct net_device *dev, u8 tc)
|
||||
* Called to setup 'tc' number of traffic classes in the net device. This
|
||||
|
@ -1099,6 +1104,9 @@ struct net_device_ops {
|
|||
struct nlattr *port[]);
|
||||
int (*ndo_get_vf_port)(struct net_device *dev,
|
||||
int vf, struct sk_buff *skb);
|
||||
int (*ndo_set_vf_rss_query_en)(
|
||||
struct net_device *dev,
|
||||
int vf, bool setting);
|
||||
int (*ndo_setup_tc)(struct net_device *dev, u8 tc);
|
||||
#if IS_ENABLED(CONFIG_FCOE)
|
||||
int (*ndo_fcoe_enable)(struct net_device *dev);
|
||||
|
|
|
@ -465,6 +465,9 @@ enum {
|
|||
IFLA_VF_SPOOFCHK, /* Spoof Checking on/off switch */
|
||||
IFLA_VF_LINK_STATE, /* link state enable/disable/auto switch */
|
||||
IFLA_VF_RATE, /* Min and Max TX Bandwidth Allocation */
|
||||
IFLA_VF_RSS_QUERY_EN, /* RSS Redirection Table and Hash Key query
|
||||
* on/off switch
|
||||
*/
|
||||
__IFLA_VF_MAX,
|
||||
};
|
||||
|
||||
|
@ -509,6 +512,11 @@ struct ifla_vf_link_state {
|
|||
__u32 link_state;
|
||||
};
|
||||
|
||||
struct ifla_vf_rss_query_en {
|
||||
__u32 vf;
|
||||
__u32 setting;
|
||||
};
|
||||
|
||||
/* VF ports management section
|
||||
*
|
||||
* Nested layout of set/get msg is:
|
||||
|
|
|
@ -818,7 +818,8 @@ static inline int rtnl_vfinfo_size(const struct net_device *dev,
|
|||
nla_total_size(sizeof(struct ifla_vf_vlan)) +
|
||||
nla_total_size(sizeof(struct ifla_vf_spoofchk)) +
|
||||
nla_total_size(sizeof(struct ifla_vf_rate)) +
|
||||
nla_total_size(sizeof(struct ifla_vf_link_state)));
|
||||
nla_total_size(sizeof(struct ifla_vf_link_state)) +
|
||||
nla_total_size(sizeof(struct ifla_vf_rss_query_en)));
|
||||
return size;
|
||||
} else
|
||||
return 0;
|
||||
|
@ -1132,14 +1133,16 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
|
|||
struct ifla_vf_tx_rate vf_tx_rate;
|
||||
struct ifla_vf_spoofchk vf_spoofchk;
|
||||
struct ifla_vf_link_state vf_linkstate;
|
||||
struct ifla_vf_rss_query_en vf_rss_query_en;
|
||||
|
||||
/*
|
||||
* Not all SR-IOV capable drivers support the
|
||||
* spoofcheck query. Preset to -1 so the user
|
||||
* space tool can detect that the driver didn't
|
||||
* report anything.
|
||||
* spoofcheck and "RSS query enable" query. Preset to
|
||||
* -1 so the user space tool can detect that the driver
|
||||
* didn't report anything.
|
||||
*/
|
||||
ivi.spoofchk = -1;
|
||||
ivi.rss_query_en = -1;
|
||||
memset(ivi.mac, 0, sizeof(ivi.mac));
|
||||
/* The default value for VF link state is "auto"
|
||||
* IFLA_VF_LINK_STATE_AUTO which equals zero
|
||||
|
@ -1152,7 +1155,8 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
|
|||
vf_rate.vf =
|
||||
vf_tx_rate.vf =
|
||||
vf_spoofchk.vf =
|
||||
vf_linkstate.vf = ivi.vf;
|
||||
vf_linkstate.vf =
|
||||
vf_rss_query_en.vf = ivi.vf;
|
||||
|
||||
memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
|
||||
vf_vlan.vlan = ivi.vlan;
|
||||
|
@ -1162,6 +1166,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
|
|||
vf_rate.max_tx_rate = ivi.max_tx_rate;
|
||||
vf_spoofchk.setting = ivi.spoofchk;
|
||||
vf_linkstate.link_state = ivi.linkstate;
|
||||
vf_rss_query_en.setting = ivi.rss_query_en;
|
||||
vf = nla_nest_start(skb, IFLA_VF_INFO);
|
||||
if (!vf) {
|
||||
nla_nest_cancel(skb, vfinfo);
|
||||
|
@ -1176,7 +1181,10 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
|
|||
nla_put(skb, IFLA_VF_SPOOFCHK, sizeof(vf_spoofchk),
|
||||
&vf_spoofchk) ||
|
||||
nla_put(skb, IFLA_VF_LINK_STATE, sizeof(vf_linkstate),
|
||||
&vf_linkstate))
|
||||
&vf_linkstate) ||
|
||||
nla_put(skb, IFLA_VF_RSS_QUERY_EN,
|
||||
sizeof(vf_rss_query_en),
|
||||
&vf_rss_query_en))
|
||||
goto nla_put_failure;
|
||||
nla_nest_end(skb, vf);
|
||||
}
|
||||
|
@ -1290,6 +1298,7 @@ static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
|
|||
[IFLA_VF_SPOOFCHK] = { .len = sizeof(struct ifla_vf_spoofchk) },
|
||||
[IFLA_VF_RATE] = { .len = sizeof(struct ifla_vf_rate) },
|
||||
[IFLA_VF_LINK_STATE] = { .len = sizeof(struct ifla_vf_link_state) },
|
||||
[IFLA_VF_RSS_QUERY_EN] = { .len = sizeof(struct ifla_vf_rss_query_en) },
|
||||
};
|
||||
|
||||
static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = {
|
||||
|
@ -1500,6 +1509,17 @@ static int do_setvfinfo(struct net_device *dev, struct nlattr *attr)
|
|||
ivl->link_state);
|
||||
break;
|
||||
}
|
||||
case IFLA_VF_RSS_QUERY_EN: {
|
||||
struct ifla_vf_rss_query_en *ivrssq_en;
|
||||
|
||||
ivrssq_en = nla_data(vf);
|
||||
err = -EOPNOTSUPP;
|
||||
if (ops->ndo_set_vf_rss_query_en)
|
||||
err = ops->ndo_set_vf_rss_query_en(dev,
|
||||
ivrssq_en->vf,
|
||||
ivrssq_en->setting);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
err = -EINVAL;
|
||||
break;
|
||||
|
|
Loading…
Reference in a new issue