diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h index 9faaf543bbaee7b2818bcf4f188f5009c98ef96e..1211fa093437f50d70d595a2e9d63b96fe05c3c2 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h @@ -101,10 +101,10 @@ struct ixgbevf_ring { /* Supported Rx Buffer Sizes */ #define IXGBEVF_RXBUFFER_256 256 /* Used for packet split */ -#define IXGBEVF_RXBUFFER_3K 3072 -#define IXGBEVF_RXBUFFER_7K 7168 -#define IXGBEVF_RXBUFFER_15K 15360 -#define IXGBEVF_MAX_RXBUFFER 16384 /* largest size for single descriptor */ +#define IXGBEVF_RXBUFFER_2K 2048 +#define IXGBEVF_RXBUFFER_4K 4096 +#define IXGBEVF_RXBUFFER_8K 8192 +#define IXGBEVF_RXBUFFER_10K 10240 #define IXGBEVF_RX_HDR_SIZE IXGBEVF_RXBUFFER_256 diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 00f9698e86ae6da1c4e1d2587dcf6b28795ca4d6..9d88153023633c5426b9b1841b269d7738f98c34 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -1087,20 +1087,20 @@ static void ixgbevf_set_rx_buffer_len(struct ixgbevf_adapter *adapter) max_frame += VLAN_HLEN; /* - * Make best use of allocation by using all but 1K of a - * power of 2 allocation that will be used for skb->head. + * Allocate buffer sizes that fit well into 32K and + * take into account max frame size of 9.5K */ if ((hw->mac.type == ixgbe_mac_X540_vf) && (max_frame <= MAXIMUM_ETHERNET_VLAN_SIZE)) rx_buf_len = MAXIMUM_ETHERNET_VLAN_SIZE; - else if (max_frame <= IXGBEVF_RXBUFFER_3K) - rx_buf_len = IXGBEVF_RXBUFFER_3K; - else if (max_frame <= IXGBEVF_RXBUFFER_7K) - rx_buf_len = IXGBEVF_RXBUFFER_7K; - else if (max_frame <= IXGBEVF_RXBUFFER_15K) - rx_buf_len = IXGBEVF_RXBUFFER_15K; + else if (max_frame <= IXGBEVF_RXBUFFER_2K) + rx_buf_len = IXGBEVF_RXBUFFER_2K; + else if (max_frame <= IXGBEVF_RXBUFFER_4K) + rx_buf_len = IXGBEVF_RXBUFFER_4K; + else if (max_frame <= IXGBEVF_RXBUFFER_8K) + rx_buf_len = IXGBEVF_RXBUFFER_8K; else - rx_buf_len = IXGBEVF_MAX_RXBUFFER; + rx_buf_len = IXGBEVF_RXBUFFER_10K; for (i = 0; i < adapter->num_rx_queues; i++) adapter->rx_ring[i].rx_buf_len = rx_buf_len;