diff options
Diffstat (limited to 'drivers/net/igb/igb_main.c')
| -rw-r--r-- | drivers/net/igb/igb_main.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index e1d1c0c..6146f5d 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -2233,18 +2233,8 @@ static void igb_setup_rctl(struct igb_adapter *adapter) rctl |= E1000_RCTL_LPE; /* Setup buffer sizes */ - switch (adapter->rx_buffer_len) { - case IGB_RXBUFFER_256: - rctl |= E1000_RCTL_SZ_256; - break; - case IGB_RXBUFFER_512: - rctl |= E1000_RCTL_SZ_512; - break; - default: - srrctl = ALIGN(adapter->rx_buffer_len, 1024) - >> E1000_SRRCTL_BSIZEPKT_SHIFT; - break; - } + srrctl = ALIGN(adapter->rx_buffer_len, 1024) + >> E1000_SRRCTL_BSIZEPKT_SHIFT; /* 82575 and greater support packet-split where the protocol * header is placed in skb->data and the packet data is @@ -3755,11 +3745,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) * i.e. RXBUFFER_2048 --> size-4096 slab */ - if (max_frame <= IGB_RXBUFFER_256) - adapter->rx_buffer_len = IGB_RXBUFFER_256; - else if (max_frame <= IGB_RXBUFFER_512) - adapter->rx_buffer_len = IGB_RXBUFFER_512; - else if (max_frame <= IGB_RXBUFFER_1024) + if (max_frame <= IGB_RXBUFFER_1024) adapter->rx_buffer_len = IGB_RXBUFFER_1024; else if (max_frame <= IGB_RXBUFFER_2048) adapter->rx_buffer_len = IGB_RXBUFFER_2048; @@ -3770,11 +3756,6 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) adapter->rx_buffer_len = PAGE_SIZE / 2; #endif - /* if sr-iov is enabled we need to force buffer size to 1K or larger */ - if (adapter->vfs_allocated_count && - (adapter->rx_buffer_len < IGB_RXBUFFER_1024)) - adapter->rx_buffer_len = IGB_RXBUFFER_1024; - /* adjust allocation if LPE protects us, and we aren't using SBP */ if ((max_frame == ETH_FRAME_LEN + ETH_FCS_LEN) || (max_frame == MAXIMUM_ETHERNET_VLAN_SIZE)) |