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-rw-r--r--drivers/net/igb/igb.h2
-rw-r--r--drivers/net/igb/igb_main.c25
2 files changed, 3 insertions, 24 deletions
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index d27dcd1289c..044ba02211c 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -96,8 +96,6 @@ struct vf_data_storage {
/* Supported Rx Buffer Sizes */
#define IGB_RXBUFFER_128 128 /* Used for packet split */
-#define IGB_RXBUFFER_256 256 /* Used for packet split */
-#define IGB_RXBUFFER_512 512
#define IGB_RXBUFFER_1024 1024
#define IGB_RXBUFFER_2048 2048
#define IGB_RXBUFFER_16384 16384
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index e1d1c0c984b..6146f5db987 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))