drivers/net: avoid some skb->ip_summed initializations

[~andy/linux] / drivers / net / benet / be_main.c

diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 74e146f470c60e9df5ff01806623a0aaaaa0ec82..dcee7a20c0b97e5d59e1e25cd8a7776a067d2f4a 100644 (file)
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -365,11 +365,6 @@ static void be_rx_eqd_update(struct be_adapter *adapter)
        rx_eq->cur_eqd = eqd;
 }
 
-static struct net_device_stats *be_get_stats(struct net_device *dev)
-{
-       return &dev->stats;
-}
-
 static u32 be_calc_rate(u64 bytes, unsigned long ticks)
 {
        u64 rate = bytes;
@@ -1021,7 +1016,7 @@ static void be_rx_compl_process(struct be_adapter *adapter,
        skb_fill_rx_data(adapter, skb, rxcp, num_rcvd);
 
        if (do_pkt_csum(rxcp, adapter->rx_csum))
-               skb->ip_summed = CHECKSUM_NONE;
+               skb_checksum_none_assert(skb);
        else
                skb->ip_summed = CHECKSUM_UNNECESSARY;
 
@@ -2093,6 +2088,47 @@ static int be_setup_wol(struct be_adapter *adapter, bool enable)
        return status;
 }
 
+/*
+ * Generate a seed MAC address from the PF MAC Address using jhash.
+ * MAC Address for VFs are assigned incrementally starting from the seed.
+ * These addresses are programmed in the ASIC by the PF and the VF driver
+ * queries for the MAC address during its probe.
+ */
+static inline int be_vf_eth_addr_config(struct be_adapter *adapter)
+{
+       u32 vf = 0;
+       int status;
+       u8 mac[ETH_ALEN];
+
+       be_vf_eth_addr_generate(adapter, mac);
+
+       for (vf = 0; vf < num_vfs; vf++) {
+               status = be_cmd_pmac_add(adapter, mac,
+                                       adapter->vf_cfg[vf].vf_if_handle,
+                                       &adapter->vf_cfg[vf].vf_pmac_id);
+               if (status)
+                       dev_err(&adapter->pdev->dev,
+                               "Mac address add failed for VF %d\n", vf);
+               else
+                       memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN);
+
+               mac[5] += 1;
+       }
+       return status;
+}
+
+static inline void be_vf_eth_addr_rem(struct be_adapter *adapter)
+{
+       u32 vf;
+
+       for (vf = 0; vf < num_vfs; vf++) {
+               if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID)
+                       be_cmd_pmac_del(adapter,
+                                       adapter->vf_cfg[vf].vf_if_handle,
+                                       adapter->vf_cfg[vf].vf_pmac_id);
+       }
+}
+
 static int be_setup(struct be_adapter *adapter)
 {
        struct net_device *netdev = adapter->netdev;
@@ -2152,10 +2188,20 @@ static int be_setup(struct be_adapter *adapter)
        if (status != 0)
                goto rx_qs_destroy;
 
+       if (be_physfn(adapter)) {
+               status = be_vf_eth_addr_config(adapter);
+               if (status)
+                       goto mcc_q_destroy;
+       }
+
        adapter->link_speed = -1;
 
        return 0;
 
+mcc_q_destroy:
+       if (be_physfn(adapter))
+               be_vf_eth_addr_rem(adapter);
+       be_mcc_queues_destroy(adapter);
 rx_qs_destroy:
        be_rx_queues_destroy(adapter);
 tx_qs_destroy:
@@ -2172,6 +2218,9 @@ do_none:
 
 static int be_clear(struct be_adapter *adapter)
 {
+       if (be_physfn(adapter))
+               be_vf_eth_addr_rem(adapter);
+
        be_mcc_queues_destroy(adapter);
        be_rx_queues_destroy(adapter);
        be_tx_queues_destroy(adapter);
@@ -2399,7 +2448,6 @@ static struct net_device_ops be_netdev_ops = {
        .ndo_open               = be_open,
        .ndo_stop               = be_close,
        .ndo_start_xmit         = be_xmit,
-       .ndo_get_stats          = be_get_stats,
        .ndo_set_rx_mode        = be_set_multicast_list,
        .ndo_set_mac_address    = be_mac_addr_set,
        .ndo_change_mtu         = be_change_mtu,