#include "axgbe_phy.h"
#include "axgbe_rxtx.h"
+static uint32_t bitrev32(uint32_t x)
+{
+ x = (x >> 16) | (x << 16);
+ x = (((x & 0xff00ff00) >> 8) | ((x & 0x00ff00ff) << 8));
+ x = (((x & 0xf0f0f0f0) >> 4) | ((x & 0x0f0f0f0f) << 4));
+ x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
+ x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
+ return x;
+}
+
+/*MSB set bit from 32 to 1*/
+static int get_lastbit_set(int x)
+{
+ int r = 32;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff0000)) {
+ x <<= 16;
+ r -= 16;
+ }
+ if (!(x & 0xff000000)) {
+ x <<= 8;
+ r -= 8;
+ }
+ if (!(x & 0xf0000000)) {
+ x <<= 4;
+ r -= 4;
+ }
+ if (!(x & 0xc0000000)) {
+ x <<= 2;
+ r -= 2;
+ }
+ if (!(x & 0x80000000)) {
+ x <<= 1;
+ r -= 1;
+ }
+ return r;
+}
+
static inline unsigned int axgbe_get_max_frame(struct axgbe_port *pdata)
{
return pdata->eth_dev->data->mtu + RTE_ETHER_HDR_LEN +
}
}
+static int axgbe_enable_rx_vlan_stripping(struct axgbe_port *pdata)
+{
+ /* Put the VLAN tag in the Rx descriptor */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, EVLRXS, 1);
+
+ /* Don't check the VLAN type */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, DOVLTC, 1);
+
+ /* Check only C-TAG (0x8100) packets */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, ERSVLM, 0);
+
+ /* Don't consider an S-TAG (0x88A8) packet as a VLAN packet */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, ESVL, 0);
+
+ /* Enable VLAN tag stripping */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, EVLS, 0x3);
+ return 0;
+}
+
+static int axgbe_disable_rx_vlan_stripping(struct axgbe_port *pdata)
+{
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, EVLS, 0);
+ return 0;
+}
+
+static int axgbe_enable_rx_vlan_filtering(struct axgbe_port *pdata)
+{
+ /* Enable VLAN filtering */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 1);
+
+ /* Enable VLAN Hash Table filtering */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, VTHM, 1);
+
+ /* Disable VLAN tag inverse matching */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, VTIM, 0);
+
+ /* Only filter on the lower 12-bits of the VLAN tag */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, ETV, 1);
+
+ /* In order for the VLAN Hash Table filtering to be effective,
+ * the VLAN tag identifier in the VLAN Tag Register must not
+ * be zero. Set the VLAN tag identifier to "1" to enable the
+ * VLAN Hash Table filtering. This implies that a VLAN tag of
+ * 1 will always pass filtering.
+ */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANTR, VL, 1);
+ return 0;
+}
+
+static int axgbe_disable_rx_vlan_filtering(struct axgbe_port *pdata)
+{
+ /* Disable VLAN filtering */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, VTFE, 0);
+ return 0;
+}
+
+static u32 axgbe_vid_crc32_le(__le16 vid_le)
+{
+ u32 poly = 0xedb88320; /* CRCPOLY_LE */
+ u32 crc = ~0;
+ u32 temp = 0;
+ unsigned char *data = (unsigned char *)&vid_le;
+ unsigned char data_byte = 0;
+ int i, bits;
+
+ bits = get_lastbit_set(VLAN_VID_MASK);
+ for (i = 0; i < bits; i++) {
+ if ((i % 8) == 0)
+ data_byte = data[i / 8];
+
+ temp = ((crc & 1) ^ data_byte) & 1;
+ crc >>= 1;
+ data_byte >>= 1;
+
+ if (temp)
+ crc ^= poly;
+ }
+ return crc;
+}
+
+static int axgbe_update_vlan_hash_table(struct axgbe_port *pdata)
+{
+ u32 crc = 0;
+ u16 vid;
+ __le16 vid_le = 0;
+ u16 vlan_hash_table = 0;
+ unsigned int reg = 0;
+ unsigned long vid_idx, vid_valid;
+
+ /* Generate the VLAN Hash Table value */
+ for (vid = 0; vid < VLAN_N_VID; vid++) {
+ vid_idx = VLAN_TABLE_IDX(vid);
+ vid_valid = pdata->active_vlans[vid_idx];
+ vid_valid = (unsigned long)vid_valid >> (vid - (64 * vid_idx));
+ if (vid_valid & 1)
+ PMD_DRV_LOG(DEBUG,
+ "vid:%d pdata->active_vlans[%ld]=0x%lx\n",
+ vid, vid_idx, pdata->active_vlans[vid_idx]);
+ else
+ continue;
+
+ vid_le = rte_cpu_to_le_16(vid);
+ crc = bitrev32(~axgbe_vid_crc32_le(vid_le)) >> 28;
+ vlan_hash_table |= (1 << crc);
+ PMD_DRV_LOG(DEBUG, "crc = %d vlan_hash_table = 0x%x\n",
+ crc, vlan_hash_table);
+ }
+ /* Set the VLAN Hash Table filtering register */
+ AXGMAC_IOWRITE_BITS(pdata, MAC_VLANHTR, VLHT, vlan_hash_table);
+ reg = AXGMAC_IOREAD(pdata, MAC_VLANHTR);
+ PMD_DRV_LOG(DEBUG, "vlan_hash_table reg val = 0x%x\n", reg);
+ return 0;
+}
+
static int __axgbe_exit(struct axgbe_port *pdata)
{
unsigned int count = 2000;
}
}
-static uint32_t bitrev32(uint32_t x)
-{
- x = (x >> 16) | (x << 16);
- x = (((x & 0xff00ff00) >> 8) | ((x & 0x00ff00ff) << 8));
- x = (((x & 0xf0f0f0f0) >> 4) | ((x & 0x0f0f0f0f) << 4));
- x = (((x & 0xcccccccc) >> 2) | ((x & 0x33333333) << 2));
- x = (((x & 0xaaaaaaaa) >> 1) | ((x & 0x55555555) << 1));
- return x;
-}
-
static uint32_t crc32_le(uint32_t crc, uint8_t *p, uint32_t len)
{
int i;
/* For FLOW ctrl */
hw_if->config_tx_flow_control = axgbe_config_tx_flow_control;
hw_if->config_rx_flow_control = axgbe_config_rx_flow_control;
+
+ /*vlan*/
+ hw_if->enable_rx_vlan_stripping = axgbe_enable_rx_vlan_stripping;
+ hw_if->disable_rx_vlan_stripping = axgbe_disable_rx_vlan_stripping;
+ hw_if->enable_rx_vlan_filtering = axgbe_enable_rx_vlan_filtering;
+ hw_if->disable_rx_vlan_filtering = axgbe_disable_rx_vlan_filtering;
+ hw_if->update_vlan_hash_table = axgbe_update_vlan_hash_table;
}
git.droids-corp.org / dpdk.git / blobdiff