diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/s2io-regs.h | 1 | ||||
| -rw-r--r-- | drivers/net/s2io.c | 38 | ||||
| -rw-r--r-- | drivers/net/s2io.h | 3 |
3 files changed, 40 insertions, 2 deletions
diff --git a/drivers/net/s2io-regs.h b/drivers/net/s2io-regs.h index 0e345cbc2bf..33fb7f3b704 100644 --- a/drivers/net/s2io-regs.h +++ b/drivers/net/s2io-regs.h @@ -430,6 +430,7 @@ struct XENA_dev_config { #define TX_PA_CFG_IGNORE_SNAP_OUI BIT(2) #define TX_PA_CFG_IGNORE_LLC_CTRL BIT(3) #define TX_PA_CFG_IGNORE_L2_ERR BIT(6) +#define RX_PA_CFG_STRIP_VLAN_TAG BIT(15) /* Recent add, used only debug purposes. */ u64 pcc_enable; diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index cdf36745bb7..89881aa2fc3 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -42,6 +42,14 @@ * Possible values '1' for enable '0' for disable. Default is '0' * lro_max_pkts: This parameter defines maximum number of packets can be * aggregated as a single large packet + * napi: This parameter used to enable/disable NAPI (polling Rx) + * Possible values '1' for enable and '0' for disable. Default is '1' + * ufo: This parameter used to enable/disable UDP Fragmentation Offload(UFO) + * Possible values '1' for enable and '0' for disable. Default is '0' + * vlan_tag_strip: This can be used to enable or disable vlan stripping. + * Possible values '1' for enable , '0' for disable. + * Default is '2' - which means disable in promisc mode + * and enable in non-promiscuous mode. ************************************************************************/ #include <linux/module.h> @@ -293,6 +301,9 @@ static void s2io_vlan_rx_register(struct net_device *dev, spin_unlock_irqrestore(&nic->tx_lock, flags); } +/* A flag indicating whether 'RX_PA_CFG_STRIP_VLAN_TAG' bit is set or not */ +int vlan_strip_flag; + /* Unregister the vlan */ static void s2io_vlan_rx_kill_vid(struct net_device *dev, unsigned long vid) { @@ -404,6 +415,7 @@ S2IO_PARM_INT(indicate_max_pkts, 0); S2IO_PARM_INT(napi, 1); S2IO_PARM_INT(ufo, 0); +S2IO_PARM_INT(vlan_tag_strip, NO_STRIP_IN_PROMISC); static unsigned int tx_fifo_len[MAX_TX_FIFOS] = {DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN}; @@ -1371,7 +1383,7 @@ static int init_nic(struct s2io_nic *nic) &bar0->rts_frm_len_n[i]); } } - + /* Disable differentiated services steering logic */ for (i = 0; i < 64; i++) { if (rts_ds_steer(nic, i, 0) == FAILURE) { @@ -1953,6 +1965,13 @@ static int start_nic(struct s2io_nic *nic) writeq(val64, &bar0->rx_pa_cfg); } + if (vlan_tag_strip == 0) { + val64 = readq(&bar0->rx_pa_cfg); + val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; + writeq(val64, &bar0->rx_pa_cfg); + vlan_strip_flag = 0; + } + /* * Enabling MC-RLDRAM. After enabling the device, we timeout * for around 100ms, which is approximately the time required @@ -4352,6 +4371,13 @@ static void s2io_set_multicast(struct net_device *dev) writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); writel((u32) (val64 >> 32), (add + 4)); + if (vlan_tag_strip != 1) { + val64 = readq(&bar0->rx_pa_cfg); + val64 &= ~RX_PA_CFG_STRIP_VLAN_TAG; + writeq(val64, &bar0->rx_pa_cfg); + vlan_strip_flag = 0; + } + val64 = readq(&bar0->mac_cfg); sp->promisc_flg = 1; DBG_PRINT(INFO_DBG, "%s: entered promiscuous mode\n", @@ -4367,6 +4393,13 @@ static void s2io_set_multicast(struct net_device *dev) writeq(RMAC_CFG_KEY(0x4C0D), &bar0->rmac_cfg_key); writel((u32) (val64 >> 32), (add + 4)); + if (vlan_tag_strip != 0) { + val64 = readq(&bar0->rx_pa_cfg); + val64 |= RX_PA_CFG_STRIP_VLAN_TAG; + writeq(val64, &bar0->rx_pa_cfg); + vlan_strip_flag = 1; + } + val64 = readq(&bar0->mac_cfg); sp->promisc_flg = 0; DBG_PRINT(INFO_DBG, "%s: left promiscuous mode\n", @@ -6614,7 +6647,8 @@ static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp) if (!sp->lro) { skb->protocol = eth_type_trans(skb, dev); - if (sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2)) { + if ((sp->vlgrp && RXD_GET_VLAN_TAG(rxdp->Control_2) && + vlan_strip_flag)) { /* Queueing the vlan frame to the upper layer */ if (napi) vlan_hwaccel_receive_skb(skb, sp->vlgrp, diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index d23a50f3b70..803137ca4b6 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -297,6 +297,9 @@ struct stat_block { struct xpakStat xpak_stat; }; +/* Default value for 'vlan_strip_tag' configuration parameter */ +#define NO_STRIP_IN_PROMISC 2 + /* * Structures representing different init time configuration * parameters of the NIC. |