For the origin type for netdev_features_t would be changed to be unsigned long * from u64, so changes the prototype of netdev_fix_features for adaption.
Signed-off-by: Jian Shen shenjian15@huawei.com --- net/core/dev.c | 78 ++++++++++++++++++++++++-------------------------- 1 file changed, 38 insertions(+), 40 deletions(-)
diff --git a/net/core/dev.c b/net/core/dev.c index 8a2de66e709b..a03a01e5339e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -9826,99 +9826,97 @@ static void netdev_sync_lower_features(struct net_device *upper, } }
-static netdev_features_t netdev_fix_features(struct net_device *dev, - netdev_features_t features) +static void netdev_fix_features(struct net_device *dev, + netdev_features_t *features) { /* Fix illegal checksum combinations */ - if ((features & NETIF_F_HW_CSUM) && - (features & (NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM))) { + if ((*features & NETIF_F_HW_CSUM) && + (*features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM))) { netdev_warn(dev, "mixed HW and IP checksum settings.\n"); - features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM); + *features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); }
/* TSO requires that SG is present as well. */ - if ((features & NETIF_F_ALL_TSO) && !(features & NETIF_F_SG)) { + if ((*features & NETIF_F_ALL_TSO) && !(*features & NETIF_F_SG)) { netdev_dbg(dev, "Dropping TSO features since no SG feature.\n"); - features &= ~NETIF_F_ALL_TSO; + *features &= ~NETIF_F_ALL_TSO; }
- if ((features & NETIF_F_TSO) && !(features & NETIF_F_HW_CSUM) && - !(features & NETIF_F_IP_CSUM)) { + if ((*features & NETIF_F_TSO) && !(*features & NETIF_F_HW_CSUM) && + !(*features & NETIF_F_IP_CSUM)) { netdev_dbg(dev, "Dropping TSO features since no CSUM feature.\n"); - features &= ~NETIF_F_TSO; - features &= ~NETIF_F_TSO_ECN; + *features &= ~NETIF_F_TSO; + *features &= ~NETIF_F_TSO_ECN; }
- if ((features & NETIF_F_TSO6) && !(features & NETIF_F_HW_CSUM) && - !(features & NETIF_F_IPV6_CSUM)) { + if ((*features & NETIF_F_TSO6) && !(*features & NETIF_F_HW_CSUM) && + !(*features & NETIF_F_IPV6_CSUM)) { netdev_dbg(dev, "Dropping TSO6 features since no CSUM feature.\n"); - features &= ~NETIF_F_TSO6; + *features &= ~NETIF_F_TSO6; }
/* TSO with IPv4 ID mangling requires IPv4 TSO be enabled */ - if ((features & NETIF_F_TSO_MANGLEID) && !(features & NETIF_F_TSO)) - features &= ~NETIF_F_TSO_MANGLEID; + if ((*features & NETIF_F_TSO_MANGLEID) && !(*features & NETIF_F_TSO)) + *features &= ~NETIF_F_TSO_MANGLEID;
/* TSO ECN requires that TSO is present as well. */ - if ((features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) - features &= ~NETIF_F_TSO_ECN; + if ((*features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) + *features &= ~NETIF_F_TSO_ECN;
/* Software GSO depends on SG. */ - if ((features & NETIF_F_GSO) && !(features & NETIF_F_SG)) { + if ((*features & NETIF_F_GSO) && !(*features & NETIF_F_SG)) { netdev_dbg(dev, "Dropping NETIF_F_GSO since no SG feature.\n"); - features &= ~NETIF_F_GSO; + *features &= ~NETIF_F_GSO; }
/* GSO partial features require GSO partial be set */ - if ((features & dev->gso_partial_features) && - !(features & NETIF_F_GSO_PARTIAL)) { + if ((*features & dev->gso_partial_features) && + !(*features & NETIF_F_GSO_PARTIAL)) { netdev_dbg(dev, "Dropping partially supported GSO features since no GSO partial.\n"); - features &= ~dev->gso_partial_features; + *features &= ~dev->gso_partial_features; }
- if (!(features & NETIF_F_RXCSUM)) { + if (!(*features & NETIF_F_RXCSUM)) { /* NETIF_F_GRO_HW implies doing RXCSUM since every packet * successfully merged by hardware must also have the * checksum verified by hardware. If the user does not * want to enable RXCSUM, logically, we should disable GRO_HW. */ - if (features & NETIF_F_GRO_HW) { + if (*features & NETIF_F_GRO_HW) { netdev_dbg(dev, "Dropping NETIF_F_GRO_HW since no RXCSUM feature.\n"); - features &= ~NETIF_F_GRO_HW; + *features &= ~NETIF_F_GRO_HW; } }
/* LRO/HW-GRO features cannot be combined with RX-FCS */ - if (features & NETIF_F_RXFCS) { - if (features & NETIF_F_LRO) { + if (*features & NETIF_F_RXFCS) { + if (*features & NETIF_F_LRO) { netdev_dbg(dev, "Dropping LRO feature since RX-FCS is requested.\n"); - features &= ~NETIF_F_LRO; + *features &= ~NETIF_F_LRO; }
- if (features & NETIF_F_GRO_HW) { + if (*features & NETIF_F_GRO_HW) { netdev_dbg(dev, "Dropping HW-GRO feature since RX-FCS is requested.\n"); - features &= ~NETIF_F_GRO_HW; + *features &= ~NETIF_F_GRO_HW; } }
- if (features & NETIF_F_HW_TLS_TX) { - bool ip_csum = (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) == + if (*features & NETIF_F_HW_TLS_TX) { + bool ip_csum = (*features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) == (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); - bool hw_csum = features & NETIF_F_HW_CSUM; + bool hw_csum = *features & NETIF_F_HW_CSUM;
if (!ip_csum && !hw_csum) { netdev_dbg(dev, "Dropping TLS TX HW offload feature since no CSUM feature.\n"); - features &= ~NETIF_F_HW_TLS_TX; + *features &= ~NETIF_F_HW_TLS_TX; } }
- if ((features & NETIF_F_HW_TLS_RX) && !(features & NETIF_F_RXCSUM)) { + if ((*features & NETIF_F_HW_TLS_RX) && !(*features & NETIF_F_RXCSUM)) { netdev_dbg(dev, "Dropping TLS RX HW offload feature since no RXCSUM feature.\n"); - features &= ~NETIF_F_HW_TLS_RX; + *features &= ~NETIF_F_HW_TLS_RX; } - - return features; }
int __netdev_update_features(struct net_device *dev) @@ -9936,7 +9934,7 @@ int __netdev_update_features(struct net_device *dev) dev->netdev_ops->ndo_fix_features(dev, &features);
/* driver might be less strict about feature dependencies */ - features = netdev_fix_features(dev, features); + netdev_fix_features(dev, &features);
/* some features can't be enabled if they're off on an upper device */ netdev_for_each_upper_dev_rcu(dev, upper, iter)