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path: root/drivers/net/e1000
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Diffstat (limited to 'drivers/net/e1000')
-rw-r--r--drivers/net/e1000/e1000_main.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 6a6141482979..c938114a34ab 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3866,9 +3866,8 @@ static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,
3866 * of reassembly being done in the stack */ 3866 * of reassembly being done in the stack */
3867 if (length < copybreak) { 3867 if (length < copybreak) {
3868 struct sk_buff *new_skb = 3868 struct sk_buff *new_skb =
3869 netdev_alloc_skb(netdev, length + NET_IP_ALIGN); 3869 netdev_alloc_skb_ip_align(netdev, length);
3870 if (new_skb) { 3870 if (new_skb) {
3871 skb_reserve(new_skb, NET_IP_ALIGN);
3872 skb_copy_to_linear_data_offset(new_skb, 3871 skb_copy_to_linear_data_offset(new_skb,
3873 -NET_IP_ALIGN, 3872 -NET_IP_ALIGN,
3874 (skb->data - 3873 (skb->data -
@@ -3937,9 +3936,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
3937 struct e1000_buffer *buffer_info; 3936 struct e1000_buffer *buffer_info;
3938 struct sk_buff *skb; 3937 struct sk_buff *skb;
3939 unsigned int i; 3938 unsigned int i;
3940 unsigned int bufsz = 256 - 3939 unsigned int bufsz = 256 - 16 /*for skb_reserve */ ;
3941 16 /*for skb_reserve */ -
3942 NET_IP_ALIGN;
3943 3940
3944 i = rx_ring->next_to_use; 3941 i = rx_ring->next_to_use;
3945 buffer_info = &rx_ring->buffer_info[i]; 3942 buffer_info = &rx_ring->buffer_info[i];
@@ -3951,7 +3948,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
3951 goto check_page; 3948 goto check_page;
3952 } 3949 }
3953 3950
3954 skb = netdev_alloc_skb(netdev, bufsz); 3951 skb = netdev_alloc_skb_ip_align(netdev, bufsz);
3955 if (unlikely(!skb)) { 3952 if (unlikely(!skb)) {
3956 /* Better luck next round */ 3953 /* Better luck next round */
3957 adapter->alloc_rx_buff_failed++; 3954 adapter->alloc_rx_buff_failed++;
@@ -3964,7 +3961,7 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
3964 DPRINTK(PROBE, ERR, "skb align check failed: %u bytes " 3961 DPRINTK(PROBE, ERR, "skb align check failed: %u bytes "
3965 "at %p\n", bufsz, skb->data); 3962 "at %p\n", bufsz, skb->data);
3966 /* Try again, without freeing the previous */ 3963 /* Try again, without freeing the previous */
3967 skb = netdev_alloc_skb(netdev, bufsz); 3964 skb = netdev_alloc_skb_ip_align(netdev, bufsz);
3968 /* Failed allocation, critical failure */ 3965 /* Failed allocation, critical failure */
3969 if (!skb) { 3966 if (!skb) {
3970 dev_kfree_skb(oldskb); 3967 dev_kfree_skb(oldskb);
@@ -3982,12 +3979,6 @@ e1000_alloc_jumbo_rx_buffers(struct e1000_adapter *adapter,
3982 /* Use new allocation */ 3979 /* Use new allocation */
3983 dev_kfree_skb(oldskb); 3980 dev_kfree_skb(oldskb);
3984 } 3981 }
3985 /* Make buffer alignment 2 beyond a 16 byte boundary
3986 * this will result in a 16 byte aligned IP header after
3987 * the 14 byte MAC header is removed
3988 */
3989 skb_reserve(skb, NET_IP_ALIGN);
3990
3991 buffer_info->skb = skb; 3982 buffer_info->skb = skb;
3992 buffer_info->length = adapter->rx_buffer_len; 3983 buffer_info->length = adapter->rx_buffer_len;
3993check_page: 3984check_page:
@@ -4044,7 +4035,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
4044 struct e1000_buffer *buffer_info; 4035 struct e1000_buffer *buffer_info;
4045 struct sk_buff *skb; 4036 struct sk_buff *skb;
4046 unsigned int i; 4037 unsigned int i;
4047 unsigned int bufsz = adapter->rx_buffer_len + NET_IP_ALIGN; 4038 unsigned int bufsz = adapter->rx_buffer_len;
4048 4039
4049 i = rx_ring->next_to_use; 4040 i = rx_ring->next_to_use;
4050 buffer_info = &rx_ring->buffer_info[i]; 4041 buffer_info = &rx_ring->buffer_info[i];
@@ -4056,7 +4047,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
4056 goto map_skb; 4047 goto map_skb;
4057 } 4048 }
4058 4049
4059 skb = netdev_alloc_skb(netdev, bufsz); 4050 skb = netdev_alloc_skb_ip_align(netdev, bufsz);
4060 if (unlikely(!skb)) { 4051 if (unlikely(!skb)) {
4061 /* Better luck next round */ 4052 /* Better luck next round */
4062 adapter->alloc_rx_buff_failed++; 4053 adapter->alloc_rx_buff_failed++;
@@ -4069,7 +4060,7 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
4069 DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes " 4060 DPRINTK(RX_ERR, ERR, "skb align check failed: %u bytes "
4070 "at %p\n", bufsz, skb->data); 4061 "at %p\n", bufsz, skb->data);
4071 /* Try again, without freeing the previous */ 4062 /* Try again, without freeing the previous */
4072 skb = netdev_alloc_skb(netdev, bufsz); 4063 skb = netdev_alloc_skb_ip_align(netdev, bufsz);
4073 /* Failed allocation, critical failure */ 4064 /* Failed allocation, critical failure */
4074 if (!skb) { 4065 if (!skb) {
4075 dev_kfree_skb(oldskb); 4066 dev_kfree_skb(oldskb);
@@ -4088,12 +4079,6 @@ static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,
4088 /* Use new allocation */ 4079 /* Use new allocation */
4089 dev_kfree_skb(oldskb); 4080 dev_kfree_skb(oldskb);
4090 } 4081 }
4091 /* Make buffer alignment 2 beyond a 16 byte boundary
4092 * this will result in a 16 byte aligned IP header after
4093 * the 14 byte MAC header is removed
4094 */
4095 skb_reserve(skb, NET_IP_ALIGN);
4096
4097 buffer_info->skb = skb; 4082 buffer_info->skb = skb;
4098 buffer_info->length = adapter->rx_buffer_len; 4083 buffer_info->length = adapter->rx_buffer_len;
4099map_skb: 4084map_skb: